From: Fabian Maurer dark.shadow4@web.de
--- dlls/coml2/Makefile.in | 12 +- dlls/coml2/coml2.spec | 23 + dlls/coml2/compobj.c | 174 + dlls/coml2/stg_prop.c | 4 +- dlls/coml2/storage32.c | 1109 +---- dlls/ole32/Makefile.in | 4 - dlls/ole32/dictionary.c | 191 - dlls/ole32/dictionary.h | 93 - dlls/ole32/filelockbytes.c | 401 -- dlls/ole32/ole2.c | 15 +- dlls/ole32/ole32.spec | 48 +- dlls/ole32/stg_prop.c | 3297 ------------- dlls/ole32/stg_stream.c | 705 --- dlls/ole32/storage32.c | 9440 +----------------------------------- dlls/ole32/storage32.h | 524 -- 15 files changed, 247 insertions(+), 15793 deletions(-) create mode 100644 dlls/coml2/compobj.c delete mode 100644 dlls/ole32/dictionary.c delete mode 100644 dlls/ole32/dictionary.h delete mode 100644 dlls/ole32/filelockbytes.c delete mode 100644 dlls/ole32/stg_prop.c delete mode 100644 dlls/ole32/stg_stream.c
diff --git a/dlls/coml2/Makefile.in b/dlls/coml2/Makefile.in index 8e4eba5f988..0803876564f 100644 --- a/dlls/coml2/Makefile.in +++ b/dlls/coml2/Makefile.in @@ -1,6 +1,14 @@ +EXTRADEFS = -DWINOLE32API= MODULE = coml2.dll IMPORTLIB = coml2 -IMPORTS = uuid +IMPORTS = uuid advapi32 user32 combase +DELAYIMPORTS = oleaut32
SOURCES = \ - memlockbytes.c + compobj.c \ + dictionary.c \ + filelockbytes.c \ + memlockbytes.c \ + stg_prop.c \ + stg_stream.c \ + storage32.c diff --git a/dlls/coml2/coml2.spec b/dlls/coml2/coml2.spec index 7070e5ca3b2..947ee94847d 100644 --- a/dlls/coml2/coml2.spec +++ b/dlls/coml2/coml2.spec @@ -1,2 +1,25 @@ @ stdcall CreateILockBytesOnHGlobal(ptr long ptr) +@ stdcall FmtIdToPropStgName(ptr wstr) +@ stdcall GetConvertStg(ptr) @ stdcall GetHGlobalFromILockBytes(ptr ptr) +@ stdcall InternalReadFmtUserTypeStg(ptr ptr ptr) +@ stdcall InternalSetConvertStg(ptr long) +@ stdcall InternalStgConvertPropertyToVariant(ptr long ptr ptr) +@ stdcall InternalWriteFmtUserTypeStg(ptr long ptr) +@ stdcall ReadClassStg(ptr ptr) +@ stdcall ReadClassStm(ptr ptr) +@ stdcall PropStgNameToFmtId(wstr ptr) +@ stdcall StgCreateDocfile(wstr long long ptr) +@ stdcall StgCreateDocfileOnILockBytes(ptr long long ptr) +@ stdcall StgCreatePropSetStg(ptr long ptr) +@ stdcall StgCreatePropStg(ptr ptr ptr long long ptr) +@ stdcall StgCreateStorageEx(wstr long long long ptr ptr ptr ptr) +@ stdcall StgIsStorageFile(wstr) +@ stdcall StgIsStorageILockBytes(ptr) +@ stdcall StgOpenPropStg(ptr ptr long long ptr) +@ stdcall StgOpenStorage(wstr ptr long ptr long ptr) +@ stdcall StgOpenStorageEx(wstr long long long ptr ptr ptr ptr) +@ stdcall StgOpenStorageOnILockBytes(ptr ptr long ptr long ptr) +@ stdcall StgSetTimes(wstr ptr ptr ptr) +@ stdcall WriteClassStg(ptr ptr) +@ stdcall WriteClassStm(ptr ptr) diff --git a/dlls/coml2/compobj.c b/dlls/coml2/compobj.c new file mode 100644 index 00000000000..7fc744bf6c9 --- /dev/null +++ b/dlls/coml2/compobj.c @@ -0,0 +1,174 @@ +/* + * COMPOBJ library + * + * Copyright 1995 Martin von Loewis + * Copyright 1998 Justin Bradford + * Copyright 1999 Francis Beaudet + * Copyright 1999 Sylvain St-Germain + * Copyright 2002 Marcus Meissner + * Copyright 2004 Mike Hearn + * Copyright 2005-2006 Robert Shearman (for CodeWeavers) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA +*/ + +#include <stdarg.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> + +#define COBJMACROS +#include "ntstatus.h" +#define WIN32_NO_STATUS +#include "windef.h" +#include "winbase.h" +#include "winerror.h" +#include "winreg.h" +#include "winuser.h" +#include "winternl.h" + +#include "wine/debug.h" + +WINE_DEFAULT_DEBUG_CHANNEL(ole); + +LSTATUS create_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey ); + +/* wrapper for NtCreateKey that creates the key recursively if necessary (copy from ole32)*/ +static NTSTATUS create_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr ) +{ + NTSTATUS status = NtCreateKey( (HANDLE *)retkey, access, attr, 0, NULL, 0, NULL ); + + if (status == STATUS_OBJECT_NAME_NOT_FOUND) + { + HANDLE subkey, root = attr->RootDirectory; + WCHAR *buffer = attr->ObjectName->Buffer; + DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR); + UNICODE_STRING str; + + while (i < len && buffer[i] != '\') i++; + if (i == len) return status; + + attrs = attr->Attributes; + attr->ObjectName = &str; + + while (i < len) + { + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + status = NtCreateKey( &subkey, access, attr, 0, NULL, 0, NULL ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + if (status) return status; + attr->RootDirectory = subkey; + while (i < len && buffer[i] == '\') i++; + pos = i; + while (i < len && buffer[i] != '\') i++; + } + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + attr->Attributes = attrs; + status = NtCreateKey( (PHANDLE)retkey, access, attr, 0, NULL, 0, NULL ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + } + return status; +} + +static HKEY classes_root_hkey; + +/* create the special HKEY_CLASSES_ROOT key (copy from ole32) */ +static HKEY create_classes_root_hkey(DWORD access) +{ + HKEY hkey, ret = 0; + OBJECT_ATTRIBUTES attr; + UNICODE_STRING name = RTL_CONSTANT_STRING(L"\Registry\Machine\Software\Classes"); + + attr.Length = sizeof(attr); + attr.RootDirectory = 0; + attr.ObjectName = &name; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + if (create_key( &hkey, access, &attr )) return 0; + TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey ); + + if (!(access & KEY_WOW64_64KEY)) + { + if (!(ret = InterlockedCompareExchangePointer( (void **)&classes_root_hkey, hkey, 0 ))) + ret = hkey; + else + NtClose( hkey ); /* somebody beat us to it */ + } + else + ret = hkey; + return ret; +} + +/* map the hkey from special root to normal key if necessary (copy from ole32) */ +static inline HKEY get_classes_root_hkey( HKEY hkey, REGSAM access ) +{ + HKEY ret = hkey; + const BOOL is_win64 = sizeof(void*) > sizeof(int); + const BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY); + + if (hkey == HKEY_CLASSES_ROOT && + ((access & KEY_WOW64_64KEY) || !(ret = classes_root_hkey))) + ret = create_classes_root_hkey(MAXIMUM_ALLOWED | (access & KEY_WOW64_64KEY)); + if (force_wow32 && ret && ret == classes_root_hkey) + { + access &= ~KEY_WOW64_32KEY; + if (create_classes_key(classes_root_hkey, L"Wow6432Node", access, &hkey)) + return 0; + ret = hkey; + } + + return ret; +} + +/* copy from ole32 */ +LSTATUS create_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey ) +{ + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW; + + if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + RtlInitUnicodeString( &nameW, name ); + + return RtlNtStatusToDosError( create_key( retkey, access, &attr ) ); +} + +/* copy from ole32 */ +LSTATUS open_classes_key( HKEY hkey, const WCHAR *name, REGSAM access, HKEY *retkey ) +{ + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW; + + if (!(hkey = get_classes_root_hkey( hkey, access ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + RtlInitUnicodeString( &nameW, name ); + + return RtlNtStatusToDosError( NtOpenKey( (HANDLE *)retkey, access, &attr ) ); +} diff --git a/dlls/coml2/stg_prop.c b/dlls/coml2/stg_prop.c index 8bc159c7dd5..1776559915f 100644 --- a/dlls/coml2/stg_prop.c +++ b/dlls/coml2/stg_prop.c @@ -3178,7 +3178,7 @@ static void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize)
#endif
-BOOLEAN WINAPI StgConvertPropertyToVariant(const SERIALIZEDPROPERTYVALUE* prop, +BOOLEAN WINAPI InternalStgConvertPropertyToVariant(const SERIALIZEDPROPERTYVALUE* prop, USHORT CodePage, PROPVARIANT* pvar, void* pma) { struct read_buffer read_buffer; @@ -3197,7 +3197,7 @@ BOOLEAN WINAPI StgConvertPropertyToVariant(const SERIALIZEDPROPERTYVALUE* prop, return FALSE; }
-SERIALIZEDPROPERTYVALUE* WINAPI StgConvertVariantToProperty(const PROPVARIANT *pvar, +SERIALIZEDPROPERTYVALUE* WINAPI InternalStgConvertVariantToProperty(const PROPVARIANT *pvar, USHORT CodePage, SERIALIZEDPROPERTYVALUE *pprop, ULONG *pcb, PROPID pid, BOOLEAN fReserved, ULONG *pcIndirect) { diff --git a/dlls/coml2/storage32.c b/dlls/coml2/storage32.c index 0d3f9922d78..17ed2e3b99a 100644 --- a/dlls/coml2/storage32.c +++ b/dlls/coml2/storage32.c @@ -48,7 +48,6 @@
#include "winreg.h" #include "wine/wingdi16.h" -#include "compobj_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(storage);
@@ -9077,69 +9076,6 @@ HRESULT WINAPI ReadClassStg(IStorage *pstg,CLSID *pclsid){ return hRes; }
-/*********************************************************************** - * OleLoadFromStream (OLE32.@) - * - * This function loads an object from stream - */ -HRESULT WINAPI OleLoadFromStream(IStream *pStm,REFIID iidInterface,void** ppvObj) -{ - CLSID clsid; - HRESULT res; - LPPERSISTSTREAM xstm; - - TRACE("(%p,%s,%p)\n",pStm,debugstr_guid(iidInterface),ppvObj); - - res=ReadClassStm(pStm,&clsid); - if (FAILED(res)) - return res; - res=CoCreateInstance(&clsid,NULL,CLSCTX_INPROC_SERVER,iidInterface,ppvObj); - if (FAILED(res)) - return res; - res=IUnknown_QueryInterface((IUnknown*)*ppvObj,&IID_IPersistStream,(LPVOID*)&xstm); - if (FAILED(res)) { - IUnknown_Release((IUnknown*)*ppvObj); - return res; - } - res=IPersistStream_Load(xstm,pStm); - IPersistStream_Release(xstm); - /* FIXME: all refcounts ok at this point? I think they should be: - * pStm : unchanged - * ppvObj : 1 - * xstm : 0 (released) - */ - return res; -} - -/*********************************************************************** - * OleSaveToStream (OLE32.@) - * - * This function saves an object with the IPersistStream interface on it - * to the specified stream. - */ -HRESULT WINAPI OleSaveToStream(IPersistStream *pPStm,IStream *pStm) -{ - - CLSID clsid; - HRESULT res; - - TRACE("(%p,%p)\n",pPStm,pStm); - - res=IPersistStream_GetClassID(pPStm,&clsid); - - if (SUCCEEDED(res)){ - - res=WriteClassStm(pStm,&clsid); - - if (SUCCEEDED(res)) - - res=IPersistStream_Save(pPStm,pStm,TRUE); - } - - TRACE("Finished Save\n"); - return res; -} - /************************************************************************* * STORAGE_CreateOleStream [Internal] * @@ -9307,7 +9243,7 @@ static HRESULT STORAGE_WriteCompObj( LPSTORAGE pstg, CLSID *clsid, /*********************************************************************** * WriteFmtUserTypeStg (OLE32.@) */ -HRESULT WINAPI WriteFmtUserTypeStg( +HRESULT WINAPI InternalWriteFmtUserTypeStg( LPSTORAGE pstg, CLIPFORMAT cf, LPOLESTR lpszUserType) { STATSTG stat; @@ -9350,7 +9286,7 @@ HRESULT WINAPI WriteFmtUserTypeStg( /****************************************************************************** * ReadFmtUserTypeStg [OLE32.@] */ -HRESULT WINAPI ReadFmtUserTypeStg (LPSTORAGE pstg, CLIPFORMAT* pcf, LPOLESTR* lplpszUserType) +HRESULT WINAPI InternalReadFmtUserTypeStg (LPSTORAGE pstg, CLIPFORMAT* pcf, LPOLESTR* lplpszUserType) { HRESULT r; IStream *stm = 0; @@ -9521,1050 +9457,11 @@ HRESULT WINAPI ReadClassStm(IStream *pStm,CLSID *pclsid) return S_OK; }
- -/************************************************************************ - * OleConvert Functions - ***********************************************************************/ - -#define OLESTREAM_ID 0x501 -#define OLESTREAM_MAX_STR_LEN 255 - -/* OLESTREAM memory structure to use for Get and Put Routines */ -typedef struct -{ - DWORD dwOleID; - DWORD dwTypeID; - DWORD dwOleTypeNameLength; - CHAR strOleTypeName[OLESTREAM_MAX_STR_LEN]; - CHAR *pstrOleObjFileName; - DWORD dwOleObjFileNameLength; - DWORD dwMetaFileWidth; - DWORD dwMetaFileHeight; - CHAR strUnknown[8]; /* don't know what this 8 byte information in OLE stream is. */ - DWORD dwDataLength; - BYTE *pData; -} OLECONVERT_OLESTREAM_DATA; - -/* CompObj Stream structure */ -typedef struct -{ - BYTE byUnknown1[12]; - CLSID clsid; - DWORD dwCLSIDNameLength; - CHAR strCLSIDName[OLESTREAM_MAX_STR_LEN]; - DWORD dwOleTypeNameLength; - CHAR strOleTypeName[OLESTREAM_MAX_STR_LEN]; - DWORD dwProgIDNameLength; - CHAR strProgIDName[OLESTREAM_MAX_STR_LEN]; - BYTE byUnknown2[16]; -} OLECONVERT_ISTORAGE_COMPOBJ; - -/* Ole Presentation Stream structure */ -typedef struct -{ - BYTE byUnknown1[28]; - DWORD dwExtentX; - DWORD dwExtentY; - DWORD dwSize; - BYTE *pData; -} OLECONVERT_ISTORAGE_OLEPRES; - - -/************************************************************************* - * OLECONVERT_LoadOLE10 [Internal] - * - * Loads the OLE10 STREAM to memory - * - * PARAMS - * pOleStream [I] The OLESTREAM - * pData [I] Data Structure for the OLESTREAM Data - * - * RETURNS - * Success: S_OK - * Failure: CONVERT10_E_OLESTREAM_GET for invalid Get - * CONVERT10_E_OLESTREAM_FMT if the OLEID is invalid - * - * NOTES - * This function is used by OleConvertOLESTREAMToIStorage only. - * - * Memory allocated for pData must be freed by the caller - */ -static HRESULT OLECONVERT_LoadOLE10(LPOLESTREAM pOleStream, OLECONVERT_OLESTREAM_DATA *pData, BOOL bStream1) -{ - DWORD dwSize; - HRESULT hRes = S_OK; - int nTryCnt=0; - int max_try = 6; - - pData->pData = NULL; - pData->pstrOleObjFileName = NULL; - - for( nTryCnt=0;nTryCnt < max_try; nTryCnt++) - { - /* Get the OleID */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwOleID), sizeof(pData->dwOleID)); - if(dwSize != sizeof(pData->dwOleID)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - else if(pData->dwOleID != OLESTREAM_ID) - { - hRes = CONVERT10_E_OLESTREAM_FMT; - } - else - { - hRes = S_OK; - break; - } - } - - if(hRes == S_OK) - { - /* Get the TypeID... more info needed for this field */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwTypeID), sizeof(pData->dwTypeID)); - if(dwSize != sizeof(pData->dwTypeID)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - if(hRes == S_OK) - { - if(pData->dwTypeID != 0) - { - /* Get the length of the OleTypeName */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *) &(pData->dwOleTypeNameLength), sizeof(pData->dwOleTypeNameLength)); - if(dwSize != sizeof(pData->dwOleTypeNameLength)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - - if(hRes == S_OK) - { - if(pData->dwOleTypeNameLength > 0) - { - /* Get the OleTypeName */ - dwSize = pOleStream->lpstbl->Get(pOleStream, pData->strOleTypeName, pData->dwOleTypeNameLength); - if(dwSize != pData->dwOleTypeNameLength) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - } - if(bStream1) - { - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwOleObjFileNameLength), sizeof(pData->dwOleObjFileNameLength)); - if(dwSize != sizeof(pData->dwOleObjFileNameLength)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - if(hRes == S_OK) - { - if(pData->dwOleObjFileNameLength < 1) /* there is no file name exist */ - pData->dwOleObjFileNameLength = sizeof(pData->dwOleObjFileNameLength); - pData->pstrOleObjFileName = HeapAlloc(GetProcessHeap(), 0, pData->dwOleObjFileNameLength); - if(pData->pstrOleObjFileName) - { - dwSize = pOleStream->lpstbl->Get(pOleStream, pData->pstrOleObjFileName, pData->dwOleObjFileNameLength); - if(dwSize != pData->dwOleObjFileNameLength) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - else - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - else - { - /* Get the Width of the Metafile */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwMetaFileWidth), sizeof(pData->dwMetaFileWidth)); - if(dwSize != sizeof(pData->dwMetaFileWidth)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - if(hRes == S_OK) - { - /* Get the Height of the Metafile */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwMetaFileHeight), sizeof(pData->dwMetaFileHeight)); - if(dwSize != sizeof(pData->dwMetaFileHeight)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - } - if(hRes == S_OK) - { - /* Get the Length of the Data */ - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)&(pData->dwDataLength), sizeof(pData->dwDataLength)); - if(dwSize != sizeof(pData->dwDataLength)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - - if(hRes == S_OK) /* I don't know what this 8 byte information is. We have to figure out */ - { - if(!bStream1) /* if it is a second OLE stream data */ - { - pData->dwDataLength -= 8; - dwSize = pOleStream->lpstbl->Get(pOleStream, pData->strUnknown, sizeof(pData->strUnknown)); - if(dwSize != sizeof(pData->strUnknown)) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - } - if(hRes == S_OK) - { - if(pData->dwDataLength > 0) - { - pData->pData = HeapAlloc(GetProcessHeap(),0,pData->dwDataLength); - - /* Get Data (ex. IStorage, Metafile, or BMP) */ - if(pData->pData) - { - dwSize = pOleStream->lpstbl->Get(pOleStream, (void *)pData->pData, pData->dwDataLength); - if(dwSize != pData->dwDataLength) - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - else - { - hRes = CONVERT10_E_OLESTREAM_GET; - } - } - } - } - } - return hRes; -} - -/************************************************************************* - * OLECONVERT_SaveOLE10 [Internal] - * - * Saves the OLE10 STREAM From memory - * - * PARAMS - * pData [I] Data Structure for the OLESTREAM Data - * pOleStream [I] The OLESTREAM to save - * - * RETURNS - * Success: S_OK - * Failure: CONVERT10_E_OLESTREAM_PUT for invalid Put - * - * NOTES - * This function is used by OleConvertIStorageToOLESTREAM only. - * - */ -static HRESULT OLECONVERT_SaveOLE10(OLECONVERT_OLESTREAM_DATA *pData, LPOLESTREAM pOleStream) -{ - DWORD dwSize; - HRESULT hRes = S_OK; - - - /* Set the OleID */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwOleID), sizeof(pData->dwOleID)); - if(dwSize != sizeof(pData->dwOleID)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - - if(hRes == S_OK) - { - /* Set the TypeID */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwTypeID), sizeof(pData->dwTypeID)); - if(dwSize != sizeof(pData->dwTypeID)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - - if(pData->dwOleID == OLESTREAM_ID && pData->dwTypeID != 0 && hRes == S_OK) - { - /* Set the Length of the OleTypeName */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwOleTypeNameLength), sizeof(pData->dwOleTypeNameLength)); - if(dwSize != sizeof(pData->dwOleTypeNameLength)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - - if(hRes == S_OK) - { - if(pData->dwOleTypeNameLength > 0) - { - /* Set the OleTypeName */ - dwSize = pOleStream->lpstbl->Put(pOleStream, pData->strOleTypeName, pData->dwOleTypeNameLength); - if(dwSize != pData->dwOleTypeNameLength) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - } - - if(hRes == S_OK) - { - /* Set the width of the Metafile */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwMetaFileWidth), sizeof(pData->dwMetaFileWidth)); - if(dwSize != sizeof(pData->dwMetaFileWidth)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - - if(hRes == S_OK) - { - /* Set the height of the Metafile */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwMetaFileHeight), sizeof(pData->dwMetaFileHeight)); - if(dwSize != sizeof(pData->dwMetaFileHeight)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - - if(hRes == S_OK) - { - /* Set the length of the Data */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *)&(pData->dwDataLength), sizeof(pData->dwDataLength)); - if(dwSize != sizeof(pData->dwDataLength)) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - - if(hRes == S_OK) - { - if(pData->dwDataLength > 0) - { - /* Set the Data (eg. IStorage, Metafile, Bitmap) */ - dwSize = pOleStream->lpstbl->Put(pOleStream, (void *) pData->pData, pData->dwDataLength); - if(dwSize != pData->dwDataLength) - { - hRes = CONVERT10_E_OLESTREAM_PUT; - } - } - } - } - return hRes; -} - -/************************************************************************* - * OLECONVERT_GetOLE20FromOLE10[Internal] - * - * This function copies OLE10 Data (the IStorage in the OLESTREAM) to disk, - * opens it, and copies the content to the dest IStorage for - * OleConvertOLESTREAMToIStorage - * - * - * PARAMS - * pDestStorage [I] The IStorage to copy the data to - * pBuffer [I] Buffer that contains the IStorage from the OLESTREAM - * nBufferLength [I] The size of the buffer - * - * RETURNS - * Nothing - * - * NOTES - * - * - */ -static void OLECONVERT_GetOLE20FromOLE10(LPSTORAGE pDestStorage, const BYTE *pBuffer, DWORD nBufferLength) -{ - HRESULT hRes; - HANDLE hFile; - IStorage *pTempStorage; - DWORD dwNumOfBytesWritten; - WCHAR wstrTempDir[MAX_PATH], wstrTempFile[MAX_PATH]; - - /* Create a temp File */ - GetTempPathW(MAX_PATH, wstrTempDir); - GetTempFileNameW(wstrTempDir, L"sis", 0, wstrTempFile); - hFile = CreateFileW(wstrTempFile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); - - if(hFile != INVALID_HANDLE_VALUE) - { - /* Write IStorage Data to File */ - WriteFile(hFile, pBuffer, nBufferLength, &dwNumOfBytesWritten, NULL); - CloseHandle(hFile); - - /* Open and copy temp storage to the Dest Storage */ - hRes = StgOpenStorage(wstrTempFile, NULL, STGM_READ, NULL, 0, &pTempStorage); - if(hRes == S_OK) - { - hRes = IStorage_CopyTo(pTempStorage, 0, NULL, NULL, pDestStorage); - IStorage_Release(pTempStorage); - } - DeleteFileW(wstrTempFile); - } -} - - -/************************************************************************* - * OLECONVERT_WriteOLE20ToBuffer [Internal] - * - * Saves the OLE10 STREAM From memory - * - * PARAMS - * pStorage [I] The Src IStorage to copy - * pData [I] The Dest Memory to write to. - * - * RETURNS - * The size in bytes allocated for pData - * - * NOTES - * Memory allocated for pData must be freed by the caller - * - * Used by OleConvertIStorageToOLESTREAM only. - * - */ -static DWORD OLECONVERT_WriteOLE20ToBuffer(LPSTORAGE pStorage, BYTE **pData) -{ - HANDLE hFile; - HRESULT hRes; - DWORD nDataLength = 0; - IStorage *pTempStorage; - WCHAR wstrTempDir[MAX_PATH], wstrTempFile[MAX_PATH]; - - *pData = NULL; - - /* Create temp Storage */ - GetTempPathW(MAX_PATH, wstrTempDir); - GetTempFileNameW(wstrTempDir, L"sis", 0, wstrTempFile); - hRes = StgCreateDocfile(wstrTempFile, STGM_CREATE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pTempStorage); - - if(hRes == S_OK) - { - /* Copy Src Storage to the Temp Storage */ - IStorage_CopyTo(pStorage, 0, NULL, NULL, pTempStorage); - IStorage_Release(pTempStorage); - - /* Open Temp Storage as a file and copy to memory */ - hFile = CreateFileW(wstrTempFile, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - if(hFile != INVALID_HANDLE_VALUE) - { - nDataLength = GetFileSize(hFile, NULL); - *pData = HeapAlloc(GetProcessHeap(),0,nDataLength); - ReadFile(hFile, *pData, nDataLength, &nDataLength, 0); - CloseHandle(hFile); - } - DeleteFileW(wstrTempFile); - } - return nDataLength; -} - -/************************************************************************* - * OLECONVERT_CreateCompObjStream [Internal] - * - * Creates a "\001CompObj" is the destination IStorage if necessary. - * - * PARAMS - * pStorage [I] The dest IStorage to create the CompObj Stream - * if necessary. - * strOleTypeName [I] The ProgID - * - * RETURNS - * Success: S_OK - * Failure: REGDB_E_CLASSNOTREG if cannot reconstruct the stream - * - * NOTES - * This function is used by OleConvertOLESTREAMToIStorage only. - * - * The stream data is stored in the OLESTREAM and there should be - * no need to recreate the stream. If the stream is manually - * deleted it will attempt to create it by querying the registry. - * - * - */ -HRESULT OLECONVERT_CreateCompObjStream(LPSTORAGE pStorage, LPCSTR strOleTypeName) -{ - IStream *pStream; - HRESULT hStorageRes, hRes = S_OK; - OLECONVERT_ISTORAGE_COMPOBJ IStorageCompObj; - WCHAR bufferW[OLESTREAM_MAX_STR_LEN]; - - static const BYTE pCompObjUnknown1[] = {0x01, 0x00, 0xFE, 0xFF, 0x03, 0x0A, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF}; - static const BYTE pCompObjUnknown2[] = {0xF4, 0x39, 0xB2, 0x71}; - - /* Initialize the CompObj structure */ - memset(&IStorageCompObj, 0, sizeof(IStorageCompObj)); - memcpy(IStorageCompObj.byUnknown1, pCompObjUnknown1, sizeof(pCompObjUnknown1)); - memcpy(IStorageCompObj.byUnknown2, pCompObjUnknown2, sizeof(pCompObjUnknown2)); - - - /* Create a CompObj stream if it doesn't exist */ - hStorageRes = IStorage_CreateStream(pStorage, L"\1CompObj", - STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &pStream ); - if(hStorageRes == S_OK) - { - /* copy the OleTypeName to the compobj struct */ - IStorageCompObj.dwOleTypeNameLength = strlen(strOleTypeName)+1; - strcpy(IStorageCompObj.strOleTypeName, strOleTypeName); - - /* copy the OleTypeName to the compobj struct */ - /* Note: in the test made, these were Identical */ - IStorageCompObj.dwProgIDNameLength = strlen(strOleTypeName)+1; - strcpy(IStorageCompObj.strProgIDName, strOleTypeName); - - /* Get the CLSID */ - MultiByteToWideChar( CP_ACP, 0, IStorageCompObj.strProgIDName, -1, - bufferW, OLESTREAM_MAX_STR_LEN ); - hRes = CLSIDFromProgID(bufferW, &(IStorageCompObj.clsid)); - - if(hRes == S_OK) - { - HKEY hKey; - LONG hErr; - /* Get the CLSID Default Name from the Registry */ - hErr = open_classes_key(HKEY_CLASSES_ROOT, bufferW, MAXIMUM_ALLOWED, &hKey); - if(hErr == ERROR_SUCCESS) - { - char strTemp[OLESTREAM_MAX_STR_LEN]; - IStorageCompObj.dwCLSIDNameLength = OLESTREAM_MAX_STR_LEN; - hErr = RegQueryValueA(hKey, NULL, strTemp, (LONG*) &(IStorageCompObj.dwCLSIDNameLength)); - if(hErr == ERROR_SUCCESS) - { - strcpy(IStorageCompObj.strCLSIDName, strTemp); - } - RegCloseKey(hKey); - } - } - - /* Write CompObj Structure to stream */ - hRes = IStream_Write(pStream, IStorageCompObj.byUnknown1, sizeof(IStorageCompObj.byUnknown1), NULL); - - WriteClassStm(pStream,&(IStorageCompObj.clsid)); - - hRes = IStream_Write(pStream, &(IStorageCompObj.dwCLSIDNameLength), sizeof(IStorageCompObj.dwCLSIDNameLength), NULL); - if(IStorageCompObj.dwCLSIDNameLength > 0) - { - hRes = IStream_Write(pStream, IStorageCompObj.strCLSIDName, IStorageCompObj.dwCLSIDNameLength, NULL); - } - hRes = IStream_Write(pStream, &(IStorageCompObj.dwOleTypeNameLength) , sizeof(IStorageCompObj.dwOleTypeNameLength), NULL); - if(IStorageCompObj.dwOleTypeNameLength > 0) - { - hRes = IStream_Write(pStream, IStorageCompObj.strOleTypeName , IStorageCompObj.dwOleTypeNameLength, NULL); - } - hRes = IStream_Write(pStream, &(IStorageCompObj.dwProgIDNameLength) , sizeof(IStorageCompObj.dwProgIDNameLength), NULL); - if(IStorageCompObj.dwProgIDNameLength > 0) - { - hRes = IStream_Write(pStream, IStorageCompObj.strProgIDName , IStorageCompObj.dwProgIDNameLength, NULL); - } - hRes = IStream_Write(pStream, IStorageCompObj.byUnknown2 , sizeof(IStorageCompObj.byUnknown2), NULL); - IStream_Release(pStream); - } - return hRes; -} - - -/************************************************************************* - * OLECONVERT_CreateOlePresStream[Internal] - * - * Creates the "\002OlePres000" Stream with the Metafile data - * - * PARAMS - * pStorage [I] The dest IStorage to create \002OLEPres000 stream in. - * dwExtentX [I] Width of the Metafile - * dwExtentY [I] Height of the Metafile - * pData [I] Metafile data - * dwDataLength [I] Size of the Metafile data - * - * RETURNS - * Success: S_OK - * Failure: CONVERT10_E_OLESTREAM_PUT for invalid Put - * - * NOTES - * This function is used by OleConvertOLESTREAMToIStorage only. - * - */ -static void OLECONVERT_CreateOlePresStream(LPSTORAGE pStorage, DWORD dwExtentX, DWORD dwExtentY , BYTE *pData, DWORD dwDataLength) -{ - HRESULT hRes; - IStream *pStream; - static const BYTE pOlePresStreamHeader[] = - { - 0xFF, 0xFF, 0xFF, 0xFF, 0x03, 0x00, 0x00, 0x00, - 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 - }; - - static const BYTE pOlePresStreamHeaderEmpty[] = - { - 0x00, 0x00, 0x00, 0x00, - 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 - }; - - /* Create the OlePres000 Stream */ - hRes = IStorage_CreateStream(pStorage, L"\2OlePres000", - STGM_CREATE | STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &pStream ); - - if(hRes == S_OK) - { - DWORD nHeaderSize; - OLECONVERT_ISTORAGE_OLEPRES OlePres; - - memset(&OlePres, 0, sizeof(OlePres)); - /* Do we have any metafile data to save */ - if(dwDataLength > 0) - { - memcpy(OlePres.byUnknown1, pOlePresStreamHeader, sizeof(pOlePresStreamHeader)); - nHeaderSize = sizeof(pOlePresStreamHeader); - } - else - { - memcpy(OlePres.byUnknown1, pOlePresStreamHeaderEmpty, sizeof(pOlePresStreamHeaderEmpty)); - nHeaderSize = sizeof(pOlePresStreamHeaderEmpty); - } - /* Set width and height of the metafile */ - OlePres.dwExtentX = dwExtentX; - OlePres.dwExtentY = -dwExtentY; - - /* Set Data and Length */ - if(dwDataLength > sizeof(METAFILEPICT16)) - { - OlePres.dwSize = dwDataLength - sizeof(METAFILEPICT16); - OlePres.pData = &(pData[8]); - } - /* Save OlePres000 Data to Stream */ - hRes = IStream_Write(pStream, OlePres.byUnknown1, nHeaderSize, NULL); - hRes = IStream_Write(pStream, &(OlePres.dwExtentX), sizeof(OlePres.dwExtentX), NULL); - hRes = IStream_Write(pStream, &(OlePres.dwExtentY), sizeof(OlePres.dwExtentY), NULL); - hRes = IStream_Write(pStream, &(OlePres.dwSize), sizeof(OlePres.dwSize), NULL); - if(OlePres.dwSize > 0) - { - hRes = IStream_Write(pStream, OlePres.pData, OlePres.dwSize, NULL); - } - IStream_Release(pStream); - } -} - -/************************************************************************* - * OLECONVERT_CreateOle10NativeStream [Internal] - * - * Creates the "\001Ole10Native" Stream (should contain a BMP) - * - * PARAMS - * pStorage [I] Dest storage to create the stream in - * pData [I] Ole10 Native Data (ex. bmp) - * dwDataLength [I] Size of the Ole10 Native Data - * - * RETURNS - * Nothing - * - * NOTES - * This function is used by OleConvertOLESTREAMToIStorage only. - * - * Might need to verify the data and return appropriate error message - * - */ -static void OLECONVERT_CreateOle10NativeStream(LPSTORAGE pStorage, const BYTE *pData, DWORD dwDataLength) -{ - HRESULT hRes; - IStream *pStream; - - /* Create the Ole10Native Stream */ - hRes = IStorage_CreateStream(pStorage, L"\1Ole10Native", - STGM_CREATE | STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &pStream ); - - if(hRes == S_OK) - { - /* Write info to stream */ - hRes = IStream_Write(pStream, &dwDataLength, sizeof(dwDataLength), NULL); - hRes = IStream_Write(pStream, pData, dwDataLength, NULL); - IStream_Release(pStream); - } - -} - -/************************************************************************* - * OLECONVERT_GetOLE10ProgID [Internal] - * - * Finds the ProgID (or OleTypeID) from the IStorage - * - * PARAMS - * pStorage [I] The Src IStorage to get the ProgID - * strProgID [I] the ProgID string to get - * dwSize [I] the size of the string - * - * RETURNS - * Success: S_OK - * Failure: REGDB_E_CLASSNOTREG if cannot reconstruct the stream - * - * NOTES - * This function is used by OleConvertIStorageToOLESTREAM only. - * - * - */ -static HRESULT OLECONVERT_GetOLE10ProgID(LPSTORAGE pStorage, char *strProgID, DWORD *dwSize) -{ - HRESULT hRes; - IStream *pStream; - LARGE_INTEGER iSeekPos; - OLECONVERT_ISTORAGE_COMPOBJ CompObj; - - /* Open the CompObj Stream */ - hRes = IStorage_OpenStream(pStorage, L"\1CompObj", NULL, - STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &pStream ); - if(hRes == S_OK) - { - - /*Get the OleType from the CompObj Stream */ - iSeekPos.LowPart = sizeof(CompObj.byUnknown1) + sizeof(CompObj.clsid); - iSeekPos.HighPart = 0; - - IStream_Seek(pStream, iSeekPos, STREAM_SEEK_SET, NULL); - IStream_Read(pStream, &CompObj.dwCLSIDNameLength, sizeof(CompObj.dwCLSIDNameLength), NULL); - iSeekPos.LowPart = CompObj.dwCLSIDNameLength; - IStream_Seek(pStream, iSeekPos, STREAM_SEEK_CUR , NULL); - IStream_Read(pStream, &CompObj.dwOleTypeNameLength, sizeof(CompObj.dwOleTypeNameLength), NULL); - iSeekPos.LowPart = CompObj.dwOleTypeNameLength; - IStream_Seek(pStream, iSeekPos, STREAM_SEEK_CUR , NULL); - - IStream_Read(pStream, dwSize, sizeof(*dwSize), NULL); - if(*dwSize > 0) - { - IStream_Read(pStream, strProgID, *dwSize, NULL); - } - IStream_Release(pStream); - } - else - { - STATSTG stat; - LPOLESTR wstrProgID; - - /* Get the OleType from the registry */ - REFCLSID clsid = &(stat.clsid); - IStorage_Stat(pStorage, &stat, STATFLAG_NONAME); - hRes = ProgIDFromCLSID(clsid, &wstrProgID); - if(hRes == S_OK) - { - *dwSize = WideCharToMultiByte(CP_ACP, 0, wstrProgID, -1, strProgID, *dwSize, NULL, FALSE); - CoTaskMemFree(wstrProgID); - } - - } - return hRes; -} - -/************************************************************************* - * OLECONVERT_GetOle10PresData [Internal] - * - * Converts IStorage "/001Ole10Native" stream to a OLE10 Stream - * - * PARAMS - * pStorage [I] Src IStroage - * pOleStream [I] Dest OleStream Mem Struct - * - * RETURNS - * Nothing - * - * NOTES - * This function is used by OleConvertIStorageToOLESTREAM only. - * - * Memory allocated for pData must be freed by the caller - * - * - */ -static void OLECONVERT_GetOle10PresData(LPSTORAGE pStorage, OLECONVERT_OLESTREAM_DATA *pOleStreamData) -{ - - HRESULT hRes; - IStream *pStream; - - /* Initialize Default data for OLESTREAM */ - pOleStreamData[0].dwOleID = OLESTREAM_ID; - pOleStreamData[0].dwTypeID = 2; - pOleStreamData[1].dwOleID = OLESTREAM_ID; - pOleStreamData[1].dwTypeID = 0; - pOleStreamData[0].dwMetaFileWidth = 0; - pOleStreamData[0].dwMetaFileHeight = 0; - pOleStreamData[0].pData = NULL; - pOleStreamData[1].pData = NULL; - - /* Open Ole10Native Stream */ - hRes = IStorage_OpenStream(pStorage, L"\1Ole10Native", NULL, - STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &pStream ); - if(hRes == S_OK) - { - - /* Read Size and Data */ - IStream_Read(pStream, &(pOleStreamData->dwDataLength), sizeof(pOleStreamData->dwDataLength), NULL); - if(pOleStreamData->dwDataLength > 0) - { - pOleStreamData->pData = HeapAlloc(GetProcessHeap(),0,pOleStreamData->dwDataLength); - IStream_Read(pStream, pOleStreamData->pData, pOleStreamData->dwDataLength, NULL); - } - IStream_Release(pStream); - } - -} - - -/************************************************************************* - * OLECONVERT_GetOle20PresData[Internal] - * - * Converts IStorage "/002OlePres000" stream to a OLE10 Stream - * - * PARAMS - * pStorage [I] Src IStroage - * pOleStreamData [I] Dest OleStream Mem Struct - * - * RETURNS - * Nothing - * - * NOTES - * This function is used by OleConvertIStorageToOLESTREAM only. - * - * Memory allocated for pData must be freed by the caller - */ -static void OLECONVERT_GetOle20PresData(LPSTORAGE pStorage, OLECONVERT_OLESTREAM_DATA *pOleStreamData) -{ - HRESULT hRes; - IStream *pStream; - OLECONVERT_ISTORAGE_OLEPRES olePress; - - /* Initialize Default data for OLESTREAM */ - pOleStreamData[0].dwOleID = OLESTREAM_ID; - pOleStreamData[0].dwTypeID = 2; - pOleStreamData[0].dwMetaFileWidth = 0; - pOleStreamData[0].dwMetaFileHeight = 0; - pOleStreamData[0].dwDataLength = OLECONVERT_WriteOLE20ToBuffer(pStorage, &(pOleStreamData[0].pData)); - pOleStreamData[1].dwOleID = OLESTREAM_ID; - pOleStreamData[1].dwTypeID = 0; - pOleStreamData[1].dwOleTypeNameLength = 0; - pOleStreamData[1].strOleTypeName[0] = 0; - pOleStreamData[1].dwMetaFileWidth = 0; - pOleStreamData[1].dwMetaFileHeight = 0; - pOleStreamData[1].pData = NULL; - pOleStreamData[1].dwDataLength = 0; - - - /* Open OlePress000 stream */ - hRes = IStorage_OpenStream(pStorage, L"\2OlePres000", NULL, - STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &pStream ); - if(hRes == S_OK) - { - LARGE_INTEGER iSeekPos; - METAFILEPICT16 MetaFilePict; - static const char strMetafilePictName[] = "METAFILEPICT"; - - /* Set the TypeID for a Metafile */ - pOleStreamData[1].dwTypeID = 5; - - /* Set the OleTypeName to Metafile */ - pOleStreamData[1].dwOleTypeNameLength = strlen(strMetafilePictName) +1; - strcpy(pOleStreamData[1].strOleTypeName, strMetafilePictName); - - iSeekPos.HighPart = 0; - iSeekPos.LowPart = sizeof(olePress.byUnknown1); - - /* Get Presentation Data */ - IStream_Seek(pStream, iSeekPos, STREAM_SEEK_SET, NULL); - IStream_Read(pStream, &(olePress.dwExtentX), sizeof(olePress.dwExtentX), NULL); - IStream_Read(pStream, &(olePress.dwExtentY), sizeof(olePress.dwExtentY), NULL); - IStream_Read(pStream, &(olePress.dwSize), sizeof(olePress.dwSize), NULL); - - /*Set width and Height */ - pOleStreamData[1].dwMetaFileWidth = olePress.dwExtentX; - pOleStreamData[1].dwMetaFileHeight = -olePress.dwExtentY; - if(olePress.dwSize > 0) - { - /* Set Length */ - pOleStreamData[1].dwDataLength = olePress.dwSize + sizeof(METAFILEPICT16); - - /* Set MetaFilePict struct */ - MetaFilePict.mm = 8; - MetaFilePict.xExt = olePress.dwExtentX; - MetaFilePict.yExt = olePress.dwExtentY; - MetaFilePict.hMF = 0; - - /* Get Metafile Data */ - pOleStreamData[1].pData = HeapAlloc(GetProcessHeap(),0,pOleStreamData[1].dwDataLength); - memcpy(pOleStreamData[1].pData, &MetaFilePict, sizeof(MetaFilePict)); - IStream_Read(pStream, &(pOleStreamData[1].pData[sizeof(MetaFilePict)]), pOleStreamData[1].dwDataLength-sizeof(METAFILEPICT16), NULL); - } - IStream_Release(pStream); - } -} - -/************************************************************************* - * OleConvertOLESTREAMToIStorage [OLE32.@] - * - * Read info on MSDN - * - * TODO - * DVTARGETDEVICE parameter is not handled - * Still unsure of some mem fields for OLE 10 Stream - * Still some unknowns for the IStorage: "\002OlePres000", "\001CompObj", - * and "\001OLE" streams - * - */ -HRESULT WINAPI OleConvertOLESTREAMToIStorage ( - LPOLESTREAM pOleStream, - LPSTORAGE pstg, - const DVTARGETDEVICE* ptd) -{ - int i; - HRESULT hRes=S_OK; - OLECONVERT_OLESTREAM_DATA pOleStreamData[2]; - - TRACE("%p %p %p\n", pOleStream, pstg, ptd); - - memset(pOleStreamData, 0, sizeof(pOleStreamData)); - - if(ptd != NULL) - { - FIXME("DVTARGETDEVICE is not NULL, unhandled parameter\n"); - } - - if(pstg == NULL || pOleStream == NULL) - { - hRes = E_INVALIDARG; - } - - if(hRes == S_OK) - { - /* Load the OLESTREAM to Memory */ - hRes = OLECONVERT_LoadOLE10(pOleStream, &pOleStreamData[0], TRUE); - } - - if(hRes == S_OK) - { - /* Load the OLESTREAM to Memory (part 2)*/ - hRes = OLECONVERT_LoadOLE10(pOleStream, &pOleStreamData[1], FALSE); - } - - if(hRes == S_OK) - { - - if(pOleStreamData[0].dwDataLength > sizeof(STORAGE_magic)) - { - /* Do we have the IStorage Data in the OLESTREAM */ - if(memcmp(pOleStreamData[0].pData, STORAGE_magic, sizeof(STORAGE_magic)) ==0) - { - OLECONVERT_GetOLE20FromOLE10(pstg, pOleStreamData[0].pData, pOleStreamData[0].dwDataLength); - OLECONVERT_CreateOlePresStream(pstg, pOleStreamData[1].dwMetaFileWidth, pOleStreamData[1].dwMetaFileHeight, pOleStreamData[1].pData, pOleStreamData[1].dwDataLength); - } - else - { - /* It must be an original OLE 1.0 source */ - OLECONVERT_CreateOle10NativeStream(pstg, pOleStreamData[0].pData, pOleStreamData[0].dwDataLength); - } - } - else - { - /* It must be an original OLE 1.0 source */ - OLECONVERT_CreateOle10NativeStream(pstg, pOleStreamData[0].pData, pOleStreamData[0].dwDataLength); - } - - /* Create CompObj Stream if necessary */ - hRes = OLECONVERT_CreateCompObjStream(pstg, pOleStreamData[0].strOleTypeName); - if(hRes == S_OK) - { - /*Create the Ole Stream if necessary */ - STORAGE_CreateOleStream(pstg, 0); - } - } - - - /* Free allocated memory */ - for(i=0; i < 2; i++) - { - HeapFree(GetProcessHeap(),0,pOleStreamData[i].pData); - HeapFree(GetProcessHeap(),0,pOleStreamData[i].pstrOleObjFileName); - pOleStreamData[i].pstrOleObjFileName = NULL; - } - return hRes; -} - -/************************************************************************* - * OleConvertIStorageToOLESTREAM [OLE32.@] - * - * Read info on MSDN - * - * Read info on MSDN - * - * TODO - * Still unsure of some mem fields for OLE 10 Stream - * Still some unknowns for the IStorage: "\002OlePres000", "\001CompObj", - * and "\001OLE" streams. - * - */ -HRESULT WINAPI OleConvertIStorageToOLESTREAM ( - LPSTORAGE pstg, - LPOLESTREAM pOleStream) -{ - int i; - HRESULT hRes = S_OK; - IStream *pStream; - OLECONVERT_OLESTREAM_DATA pOleStreamData[2]; - - TRACE("%p %p\n", pstg, pOleStream); - - memset(pOleStreamData, 0, sizeof(pOleStreamData)); - - if(pstg == NULL || pOleStream == NULL) - { - hRes = E_INVALIDARG; - } - if(hRes == S_OK) - { - /* Get the ProgID */ - pOleStreamData[0].dwOleTypeNameLength = OLESTREAM_MAX_STR_LEN; - hRes = OLECONVERT_GetOLE10ProgID(pstg, pOleStreamData[0].strOleTypeName, &(pOleStreamData[0].dwOleTypeNameLength)); - } - if(hRes == S_OK) - { - /* Was it originally Ole10 */ - hRes = IStorage_OpenStream(pstg, L"\1Ole10Native", 0, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &pStream); - if(hRes == S_OK) - { - IStream_Release(pStream); - /* Get Presentation Data for Ole10Native */ - OLECONVERT_GetOle10PresData(pstg, pOleStreamData); - } - else - { - /* Get Presentation Data (OLE20) */ - OLECONVERT_GetOle20PresData(pstg, pOleStreamData); - } - - /* Save OLESTREAM */ - hRes = OLECONVERT_SaveOLE10(&(pOleStreamData[0]), pOleStream); - if(hRes == S_OK) - { - hRes = OLECONVERT_SaveOLE10(&(pOleStreamData[1]), pOleStream); - } - - } - - /* Free allocated memory */ - for(i=0; i < 2; i++) - { - HeapFree(GetProcessHeap(),0,pOleStreamData[i].pData); - } - - return hRes; -} - enum stream_1ole_flags { OleStream_LinkedObject = 0x00000001, OleStream_Convert = 0x00000004 };
-/************************************************************************* - * OleConvertIStorageToOLESTREAMEx [OLE32.@] - */ -HRESULT WINAPI OleConvertIStorageToOLESTREAMEx ( LPSTORAGE stg, CLIPFORMAT cf, LONG width, LONG height, - DWORD size, LPSTGMEDIUM medium, LPOLESTREAM olestream ) -{ - FIXME("%p, %x, %ld, %ld, %ld, %p, %p: stub\n", stg, cf, width, height, size, medium, olestream); - - return E_NOTIMPL; -} - /*********************************************************************** * GetConvertStg (OLE32.@) */ @@ -10598,7 +9495,7 @@ HRESULT WINAPI GetConvertStg(IStorage *stg) /*********************************************************************** * SetConvertStg (OLE32.@) */ -HRESULT WINAPI SetConvertStg(IStorage *storage, BOOL convert) +HRESULT WINAPI InternalSetConvertStg(IStorage *storage, BOOL convert) { DWORD flags = convert ? OleStream_Convert : 0; IStream *stream; diff --git a/dlls/ole32/Makefile.in b/dlls/ole32/Makefile.in index 84544a628a8..1ae64b064b4 100644 --- a/dlls/ole32/Makefile.in +++ b/dlls/ole32/Makefile.in @@ -15,11 +15,9 @@ SOURCES = \ datacache.c \ dcom.idl \ defaulthandler.c \ - dictionary.c \ drag_copy.svg \ drag_link.svg \ drag_move.svg \ - filelockbytes.c \ filemoniker.c \ ftmarshal.c \ git.c \ @@ -38,8 +36,6 @@ SOURCES = \ oleobj.c \ oleproxy.c \ pointermoniker.c \ - stg_prop.c \ - stg_stream.c \ storage32.c \ usrmarshal.c dlldata_EXTRADEFS = -DENTRY_PREFIX=OLE32_ -DPROXY_CLSID=CLSID_PSFactoryBuffer -DWINE_REGISTER_DLL diff --git a/dlls/ole32/dictionary.c b/dlls/ole32/dictionary.c deleted file mode 100644 index 593a4ff1588..00000000000 --- a/dlls/ole32/dictionary.c +++ /dev/null @@ -1,191 +0,0 @@ -/* Simple dictionary implementation using a linked list. - * FIXME: a skip list would be faster. - * - * Copyright 2005 Juan Lang - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - */ -#include <assert.h> -#include <stdarg.h> -#include "windef.h" -#include "winbase.h" -#include "dictionary.h" -#include "wine/debug.h" - -WINE_DEFAULT_DEBUG_CHANNEL(storage); - -struct dictionary_entry -{ - void *key; - void *value; - struct dictionary_entry *next; -}; - -struct dictionary -{ - comparefunc comp; - destroyfunc destroy; - void *extra; - struct dictionary_entry *head; - UINT num_entries; -}; - -struct dictionary *dictionary_create(comparefunc c, destroyfunc d, void *extra) -{ - struct dictionary *ret; - - TRACE("(%p, %p, %p)\n", c, d, extra); - if (!c) - return NULL; - ret = HeapAlloc(GetProcessHeap(), 0, sizeof(struct dictionary)); - if (ret) - { - ret->comp = c; - ret->destroy = d; - ret->extra = extra; - ret->head = NULL; - ret->num_entries = 0; - } - TRACE("returning %p\n", ret); - return ret; -} - -void dictionary_destroy(struct dictionary *d) -{ - TRACE("(%p)\n", d); - if (d) - { - struct dictionary_entry *p; - - for (p = d->head; p; ) - { - struct dictionary_entry *next = p->next; - - if (d->destroy) - d->destroy(p->key, p->value, d->extra); - HeapFree(GetProcessHeap(), 0, p); - p = next; - } - HeapFree(GetProcessHeap(), 0, d); - } -} - -UINT dictionary_num_entries(struct dictionary *d) -{ - return d ? d->num_entries : 0; -} - -/* Returns the address of the pointer to the node containing k. (It returns - * the address of either h->head or the address of the next member of the - * prior node. It's useful when you want to delete.) - * Assumes h and prev are not NULL. - */ -static struct dictionary_entry **dictionary_find_internal(struct dictionary *d, - const void *k) -{ - struct dictionary_entry **ret = NULL; - struct dictionary_entry *p; - - assert(d); - /* special case for head containing the desired element */ - if (d->head && d->comp(k, d->head->key, d->extra) == 0) - ret = &d->head; - for (p = d->head; !ret && p && p->next; p = p->next) - { - if (d->comp(k, p->next->key, d->extra) == 0) - ret = &p->next; - } - return ret; -} - -void dictionary_insert(struct dictionary *d, const void *k, const void *v) -{ - struct dictionary_entry **prior; - - TRACE("(%p, %p, %p)\n", d, k, v); - if (!d) - return; - if ((prior = dictionary_find_internal(d, k))) - { - if (d->destroy) - d->destroy((*prior)->key, (*prior)->value, d->extra); - (*prior)->key = (void *)k; - (*prior)->value = (void *)v; - } - else - { - struct dictionary_entry *elem = HeapAlloc(GetProcessHeap(), 0, - sizeof(struct dictionary_entry)); - - if (!elem) - return; - elem->key = (void *)k; - elem->value = (void *)v; - elem->next = d->head; - d->head = elem; - d->num_entries++; - } -} - -BOOL dictionary_find(struct dictionary *d, const void *k, void **value) -{ - struct dictionary_entry **prior; - BOOL ret = FALSE; - - TRACE("(%p, %p, %p)\n", d, k, value); - if (!d) - return FALSE; - if (!value) - return FALSE; - if ((prior = dictionary_find_internal(d, k))) - { - *value = (*prior)->value; - ret = TRUE; - } - TRACE("returning %d (%p)\n", ret, *value); - return ret; -} - -void dictionary_remove(struct dictionary *d, const void *k) -{ - struct dictionary_entry **prior, *temp; - - TRACE("(%p, %p)\n", d, k); - if (!d) - return; - if ((prior = dictionary_find_internal(d, k))) - { - temp = *prior; - if (d->destroy) - d->destroy((*prior)->key, (*prior)->value, d->extra); - *prior = (*prior)->next; - HeapFree(GetProcessHeap(), 0, temp); - d->num_entries--; - } -} - -void dictionary_enumerate(struct dictionary *d, enumeratefunc e, void *closure) -{ - struct dictionary_entry *p; - - TRACE("(%p, %p, %p)\n", d, e, closure); - if (!d) - return; - if (!e) - return; - for (p = d->head; p; p = p->next) - if (!e(p->key, p->value, d->extra, closure)) - break; -} diff --git a/dlls/ole32/dictionary.h b/dlls/ole32/dictionary.h deleted file mode 100644 index 231a6474723..00000000000 --- a/dlls/ole32/dictionary.h +++ /dev/null @@ -1,93 +0,0 @@ -/* Simple dictionary - * - * Copyright 2005 Juan Lang - * - * This is a pretty basic dictionary, or map if you prefer. It's not - * thread-safe. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - */ -#ifndef __DICTIONARY_H__ -#define __DICTIONARY_H__ - -#include <stdarg.h> -#include "windef.h" -#include "winbase.h" - -struct dictionary; - -/* Returns whether key a is less than, equal to, or greater than key b, in - * the same way (a - b) would for integers or strcmp(a, b) would for ANSI - * strings. - */ -typedef int (*comparefunc)(const void *a, const void *b, void *extra); - -/* Called for every element removed from the dictionary. See - * dictionary_destroy, dictionary_insert, and dictionary_remove. - */ -typedef void (*destroyfunc)(void *k, void *v, void *extra); - -/* Called for each element in the dictionary. Return FALSE if you don't want - * to enumerate any more. - */ -typedef BOOL (*enumeratefunc)(const void *k, const void *v, void *extra, - void *closure); - -/* Constructs a dictionary, using c as a comparison function for keys. - * If d is not NULL, it will be called whenever an item is about to be removed - * from the table, for example when dictionary_remove is called for a key, or - * when dictionary_destroy is called. - * extra is passed to c (and d, if it's provided). - * Assumes c is not NULL. - */ -struct dictionary *dictionary_create(comparefunc c, destroyfunc d, void *extra); - -/* Assumes d is not NULL. */ -void dictionary_destroy(struct dictionary *d); - -/* Returns how many entries have been stored in the dictionary. If two values - * with the same key are inserted, only one is counted. - */ -UINT dictionary_num_entries(struct dictionary *d); - -/* Sets an element with key k and value v to the dictionary. If a value - * already exists with key k, its value is replaced, and the destroyfunc (if - * set) is called for the previous item. - * Assumes k and v can be bitwise-copied. - * Both k and v are allowed to be NULL, in case you want to use integer - * values for either the key or the value. - * Assumes d is not NULL. - */ -void dictionary_insert(struct dictionary *d, const void *k, const void *v); - -/* If a value with key k has been inserted into the dictionary, *v is set - * to its associated value. Returns FALSE if the key is not found, and TRUE - * if it is. *v is undefined if it returns FALSE. (It is not set to NULL, - * because this dictionary doesn't prevent you from using NULL as a value - * value; see dictionary_insert.) - * Assumes d and v are not NULL. - */ -BOOL dictionary_find(struct dictionary *d, const void *k, void **v); - -/* Removes the element with key k from the dictionary. Calls the destroyfunc - * for the dictionary with the element if found (so you may destroy it if it's - * dynamically allocated.) - * Assumes d is not NULL. - */ -void dictionary_remove(struct dictionary *d, const void *k); - -void dictionary_enumerate(struct dictionary *d, enumeratefunc e, void *closure); - -#endif /* ndef __DICTIONARY_H__ */ diff --git a/dlls/ole32/filelockbytes.c b/dlls/ole32/filelockbytes.c deleted file mode 100644 index d806916f1d5..00000000000 --- a/dlls/ole32/filelockbytes.c +++ /dev/null @@ -1,401 +0,0 @@ -/****************************************************************************** - * - * File-based ILockBytes implementation - * - * Copyright 1999 Thuy Nguyen - * Copyright 2010 Vincent Povirk for CodeWeavers - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - */ - -#include <assert.h> -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <limits.h> - -#define COBJMACROS -#include "windef.h" -#include "winbase.h" -#include "winuser.h" -#include "winerror.h" -#include "objbase.h" -#include "ole2.h" - -#include "storage32.h" - -#include "wine/debug.h" - -WINE_DEFAULT_DEBUG_CHANNEL(storage); - -typedef struct FileLockBytesImpl -{ - ILockBytes ILockBytes_iface; - LONG ref; - HANDLE hfile; - DWORD flProtect; - LPWSTR pwcsName; -} FileLockBytesImpl; - -static const ILockBytesVtbl FileLockBytesImpl_Vtbl; - -static inline FileLockBytesImpl *impl_from_ILockBytes(ILockBytes *iface) -{ - return CONTAINING_RECORD(iface, FileLockBytesImpl, ILockBytes_iface); -} - -/*********************************************************** - * Prototypes for private methods - */ - -/**************************************************************************** - * GetProtectMode - * - * This function will return a protection mode flag for a file-mapping object - * from the open flags of a file. - */ -static DWORD GetProtectMode(DWORD openFlags) -{ - switch(STGM_ACCESS_MODE(openFlags)) - { - case STGM_WRITE: - case STGM_READWRITE: - return PAGE_READWRITE; - } - return PAGE_READONLY; -} - -/****************************************************************************** - * FileLockBytesImpl_Construct - * - * Initialize a big block object supported by a file. - */ -HRESULT FileLockBytesImpl_Construct(HANDLE hFile, DWORD openFlags, LPCWSTR pwcsName, ILockBytes **pLockBytes) -{ - FileLockBytesImpl *This; - WCHAR fullpath[MAX_PATH]; - - if (hFile == INVALID_HANDLE_VALUE) - return E_FAIL; - - This = HeapAlloc(GetProcessHeap(), 0, sizeof(FileLockBytesImpl)); - - if (!This) - return E_OUTOFMEMORY; - - This->ILockBytes_iface.lpVtbl = &FileLockBytesImpl_Vtbl; - This->ref = 1; - This->hfile = hFile; - This->flProtect = GetProtectMode(openFlags); - - if(pwcsName) { - if (!GetFullPathNameW(pwcsName, MAX_PATH, fullpath, NULL)) - { - lstrcpynW(fullpath, pwcsName, MAX_PATH); - } - This->pwcsName = HeapAlloc(GetProcessHeap(), 0, - (lstrlenW(fullpath)+1)*sizeof(WCHAR)); - if (!This->pwcsName) - { - HeapFree(GetProcessHeap(), 0, This); - return E_OUTOFMEMORY; - } - lstrcpyW(This->pwcsName, fullpath); - } - else - This->pwcsName = NULL; - - *pLockBytes = &This->ILockBytes_iface; - - return S_OK; -} - -/* ILockByte Interfaces */ - -static HRESULT WINAPI FileLockBytesImpl_QueryInterface(ILockBytes *iface, REFIID riid, - void **ppvObject) -{ - if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_ILockBytes)) - *ppvObject = iface; - else - { - *ppvObject = NULL; - return E_NOINTERFACE; - } - - IUnknown_AddRef((IUnknown*)*ppvObject); - - return S_OK; -} - -static ULONG WINAPI FileLockBytesImpl_AddRef(ILockBytes *iface) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - return InterlockedIncrement(&This->ref); -} - -static ULONG WINAPI FileLockBytesImpl_Release(ILockBytes *iface) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - ULONG ref; - - ref = InterlockedDecrement(&This->ref); - - if (ref == 0) - { - CloseHandle(This->hfile); - HeapFree(GetProcessHeap(), 0, This->pwcsName); - HeapFree(GetProcessHeap(), 0, This); - } - - return ref; -} - -/****************************************************************************** - * This method is part of the ILockBytes interface. - * - * It reads a block of information from the byte array at the specified - * offset. - * - * See the documentation of ILockBytes for more info. - */ -static HRESULT WINAPI FileLockBytesImpl_ReadAt( - ILockBytes* iface, - ULARGE_INTEGER ulOffset, /* [in] */ - void* pv, /* [length_is][size_is][out] */ - ULONG cb, /* [in] */ - ULONG* pcbRead) /* [out] */ -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - ULONG bytes_left = cb; - LPBYTE readPtr = pv; - BOOL ret; - LARGE_INTEGER offset; - ULONG cbRead; - - TRACE("%p, %ld, %p, %lu, %p.\n", iface, ulOffset.LowPart, pv, cb, pcbRead); - - /* verify a sane environment */ - if (!This) return E_FAIL; - - if (pcbRead) - *pcbRead = 0; - - offset.QuadPart = ulOffset.QuadPart; - - ret = SetFilePointerEx(This->hfile, offset, NULL, FILE_BEGIN); - - if (!ret) - return STG_E_READFAULT; - - while (bytes_left) - { - ret = ReadFile(This->hfile, readPtr, bytes_left, &cbRead, NULL); - - if (!ret || cbRead == 0) - return STG_E_READFAULT; - - if (pcbRead) - *pcbRead += cbRead; - - bytes_left -= cbRead; - readPtr += cbRead; - } - - TRACE("finished\n"); - return S_OK; -} - -/****************************************************************************** - * This method is part of the ILockBytes interface. - * - * It writes the specified bytes at the specified offset. - * position. If the file is too small, it will be resized. - * - * See the documentation of ILockBytes for more info. - */ -static HRESULT WINAPI FileLockBytesImpl_WriteAt( - ILockBytes* iface, - ULARGE_INTEGER ulOffset, /* [in] */ - const void* pv, /* [size_is][in] */ - ULONG cb, /* [in] */ - ULONG* pcbWritten) /* [out] */ -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - ULONG bytes_left = cb; - const BYTE *writePtr = pv; - BOOL ret; - LARGE_INTEGER offset; - ULONG cbWritten; - - TRACE("%p, %ld, %p, %lu, %p.\n", iface, ulOffset.LowPart, pv, cb, pcbWritten); - - /* verify a sane environment */ - if (!This) return E_FAIL; - - if (This->flProtect != PAGE_READWRITE) - return STG_E_ACCESSDENIED; - - if (pcbWritten) - *pcbWritten = 0; - - offset.QuadPart = ulOffset.QuadPart; - - ret = SetFilePointerEx(This->hfile, offset, NULL, FILE_BEGIN); - - if (!ret) - return STG_E_WRITEFAULT; - - while (bytes_left) - { - ret = WriteFile(This->hfile, writePtr, bytes_left, &cbWritten, NULL); - - if (!ret) - return STG_E_WRITEFAULT; - - if (pcbWritten) - *pcbWritten += cbWritten; - - bytes_left -= cbWritten; - writePtr += cbWritten; - } - - TRACE("finished\n"); - return S_OK; -} - -static HRESULT WINAPI FileLockBytesImpl_Flush(ILockBytes* iface) -{ - return S_OK; -} - -/****************************************************************************** - * ILockBytes_SetSize - * - * Sets the size of the file. - * - */ -static HRESULT WINAPI FileLockBytesImpl_SetSize(ILockBytes* iface, ULARGE_INTEGER newSize) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - HRESULT hr = S_OK; - LARGE_INTEGER newpos; - - TRACE("new size %lu\n", newSize.LowPart); - - newpos.QuadPart = newSize.QuadPart; - if (SetFilePointerEx(This->hfile, newpos, NULL, FILE_BEGIN)) - { - SetEndOfFile(This->hfile); - } - - return hr; -} - -static HRESULT get_lock_error(void) -{ - switch (GetLastError()) - { - case ERROR_LOCK_VIOLATION: return STG_E_LOCKVIOLATION; break; - case ERROR_ACCESS_DENIED: return STG_E_ACCESSDENIED; break; - case ERROR_NOT_SUPPORTED: return STG_E_INVALIDFUNCTION; break; - default: - FIXME("no mapping for error %ld\n", GetLastError()); - return STG_E_INVALIDFUNCTION; - } -} - -static HRESULT WINAPI FileLockBytesImpl_LockRegion(ILockBytes* iface, - ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - OVERLAPPED ol; - DWORD lock_flags = LOCKFILE_FAIL_IMMEDIATELY; - - TRACE("ofs %lu count %lu flags %lx\n", libOffset.LowPart, cb.LowPart, dwLockType); - - if (dwLockType & LOCK_WRITE) - return STG_E_INVALIDFUNCTION; - - if (dwLockType & (LOCK_EXCLUSIVE|LOCK_ONLYONCE)) - lock_flags |= LOCKFILE_EXCLUSIVE_LOCK; - - ol.hEvent = 0; - ol.Offset = libOffset.LowPart; - ol.OffsetHigh = libOffset.HighPart; - - if (LockFileEx(This->hfile, lock_flags, 0, cb.LowPart, cb.HighPart, &ol)) - return S_OK; - return get_lock_error(); -} - -static HRESULT WINAPI FileLockBytesImpl_UnlockRegion(ILockBytes* iface, - ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - OVERLAPPED ol; - - TRACE("ofs %lu count %lu flags %lx\n", libOffset.LowPart, cb.LowPart, dwLockType); - - if (dwLockType & LOCK_WRITE) - return STG_E_INVALIDFUNCTION; - - ol.hEvent = 0; - ol.Offset = libOffset.LowPart; - ol.OffsetHigh = libOffset.HighPart; - - if (UnlockFileEx(This->hfile, 0, cb.LowPart, cb.HighPart, &ol)) - return S_OK; - return get_lock_error(); -} - -static HRESULT WINAPI FileLockBytesImpl_Stat(ILockBytes* iface, - STATSTG *pstatstg, DWORD grfStatFlag) -{ - FileLockBytesImpl* This = impl_from_ILockBytes(iface); - - if (!(STATFLAG_NONAME & grfStatFlag) && This->pwcsName) - { - pstatstg->pwcsName = - CoTaskMemAlloc((lstrlenW(This->pwcsName)+1)*sizeof(WCHAR)); - - lstrcpyW(pstatstg->pwcsName, This->pwcsName); - } - else - pstatstg->pwcsName = NULL; - - pstatstg->type = STGTY_LOCKBYTES; - - pstatstg->cbSize.LowPart = GetFileSize(This->hfile, &pstatstg->cbSize.HighPart); - /* FIXME: If the implementation is exported, we'll need to set other fields. */ - - pstatstg->grfLocksSupported = LOCK_EXCLUSIVE|LOCK_ONLYONCE|WINE_LOCK_READ; - - return S_OK; -} - -static const ILockBytesVtbl FileLockBytesImpl_Vtbl = { - FileLockBytesImpl_QueryInterface, - FileLockBytesImpl_AddRef, - FileLockBytesImpl_Release, - FileLockBytesImpl_ReadAt, - FileLockBytesImpl_WriteAt, - FileLockBytesImpl_Flush, - FileLockBytesImpl_SetSize, - FileLockBytesImpl_LockRegion, - FileLockBytesImpl_UnlockRegion, - FileLockBytesImpl_Stat -}; diff --git a/dlls/ole32/ole2.c b/dlls/ole32/ole2.c index f4672b704ee..084f75fba8f 100644 --- a/dlls/ole32/ole2.c +++ b/dlls/ole32/ole2.c @@ -50,6 +50,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(ole); WINE_DECLARE_DEBUG_CHANNEL(accel);
+/* coml2 private exports */ +HRESULT WINAPI InternalWriteFmtUserTypeStg(LPSTORAGE pstg, CLIPFORMAT cf, LPOLESTR lpszUserType); +HRESULT WINAPI InternalReadFmtUserTypeStg (LPSTORAGE pstg, CLIPFORMAT* pcf, LPOLESTR* lplpszUserType); +HRESULT WINAPI InternalSetConvertStg(IStorage *storage, BOOL convert); + /****************************************************************************** * These are static/global variables and internal data structures that the * OLE module uses to maintain its state. @@ -2622,7 +2627,7 @@ HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew) if(FAILED(hr)) return hr;
- hr = ReadFmtUserTypeStg(pStg, &cf, &user_type_old); + hr = InternalReadFmtUserTypeStg(pStg, &cf, &user_type_old); if(FAILED(hr)) { cf = 0; user_type_new = NULL; @@ -2632,7 +2637,7 @@ HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew) if(FAILED(hr)) user_type_new = NULL;
- hr = WriteFmtUserTypeStg(pStg, cf, user_type_new); + hr = InternalWriteFmtUserTypeStg(pStg, cf, user_type_new); CoTaskMemFree(user_type_new); if(FAILED(hr)) { @@ -2641,10 +2646,10 @@ HRESULT WINAPI OleDoAutoConvert(LPSTORAGE pStg, LPCLSID pClsidNew) return hr; }
- hr = SetConvertStg(pStg, TRUE); + hr = InternalSetConvertStg(pStg, TRUE); if(FAILED(hr)) { - WriteFmtUserTypeStg(pStg, cf, user_type_old); + InternalWriteFmtUserTypeStg(pStg, cf, user_type_old); IStorage_SetClass(pStg, &stat.clsid); } else @@ -2967,7 +2972,7 @@ HRESULT WINAPI OleCreateStaticFromData(IDataObject *data, REFIID iid, DWORD rend hr = IOleObject_GetUserType(ole_object, USERCLASSTYPE_FULL, &ole_typename); if(FAILED(hr)) ole_typename = NULL; - hr = WriteFmtUserTypeStg(stg, fmt->cfFormat, ole_typename); + hr = InternalWriteFmtUserTypeStg(stg, fmt->cfFormat, ole_typename); CoTaskMemFree(ole_typename); if (FAILED(hr)) goto end;
diff --git a/dlls/ole32/ole32.spec b/dlls/ole32/ole32.spec index 944ff81b1b3..a3b30725d7e 100644 --- a/dlls/ole32/ole32.spec +++ b/dlls/ole32/ole32.spec @@ -115,10 +115,10 @@ @ stdcall -private DllUnregisterServer() @ stdcall DoDragDrop(ptr ptr long ptr) @ stub EnableHookObject -@ stdcall FmtIdToPropStgName(ptr wstr) +@ stdcall FmtIdToPropStgName(ptr wstr) coml2.FmtIdToPropStgName @ stdcall FreePropVariantArray(long ptr) combase.FreePropVariantArray @ stdcall GetClassFile(wstr ptr) -@ stdcall GetConvertStg(ptr) +@ stdcall GetConvertStg(ptr) coml2.GetConvertStg @ stub GetDocumentBitStg @ stdcall GetErrorInfo(long ptr) combase.GetErrorInfo @ stdcall GetHGlobalFromILockBytes(ptr ptr) coml2.GetHGlobalFromILockBytes @@ -241,14 +241,14 @@ @ stdcall OleUninitialize() @ stub OpenOrCreateStream @ stdcall ProgIDFromCLSID(ptr ptr) combase.ProgIDFromCLSID -@ stdcall PropStgNameToFmtId(wstr ptr) +@ stdcall PropStgNameToFmtId(wstr ptr) coml2.PropStgNameToFmtId @ stdcall PropSysAllocString(wstr) @ stdcall PropSysFreeString(wstr) @ stdcall PropVariantClear(ptr) combase.PropVariantClear @ stdcall PropVariantCopy(ptr ptr) combase.PropVariantCopy -@ stdcall ReadClassStg(ptr ptr) -@ stdcall ReadClassStm(ptr ptr) -@ stdcall ReadFmtUserTypeStg(ptr ptr ptr) +@ stdcall ReadClassStg(ptr ptr) coml2.ReadClassStg +@ stdcall ReadClassStm(ptr ptr) coml2.ReadClassStm +@ stdcall ReadFmtUserTypeStg(ptr ptr ptr) coml2.InternalReadFmtUserTypeStg @ stub ReadOleStg @ stub ReadStringStream @ stdcall RegisterDragDrop(long ptr) @@ -262,26 +262,26 @@ @ stdcall STGMEDIUM_UserMarshal(ptr ptr ptr) @ stdcall STGMEDIUM_UserSize(ptr long ptr) @ stdcall STGMEDIUM_UserUnmarshal(ptr ptr ptr) -@ stdcall SetConvertStg(ptr long) +@ stdcall SetConvertStg(ptr long) coml2.InternalSetConvertStg @ stub SetDocumentBitStg @ stdcall SetErrorInfo(long ptr) combase.SetErrorInfo -@ stdcall StgConvertPropertyToVariant(ptr long ptr ptr) -@ stdcall StgConvertVariantToProperty(ptr long ptr ptr long long ptr) -@ stdcall StgCreateDocfile(wstr long long ptr) -@ stdcall StgCreateDocfileOnILockBytes(ptr long long ptr) -@ stdcall StgCreatePropSetStg(ptr long ptr) -@ stdcall StgCreatePropStg(ptr ptr ptr long long ptr) -@ stdcall StgCreateStorageEx(wstr long long long ptr ptr ptr ptr) +@ stdcall StgConvertPropertyToVariant(ptr long ptr ptr) coml2.InternalStgConvertPropertyToVariant +@ stdcall StgConvertVariantToProperty(ptr long ptr ptr long long ptr) coml2.InternalStgConvertVariantToProperty +@ stdcall StgCreateDocfile(wstr long long ptr) coml2.StgCreateDocfile +@ stdcall StgCreateDocfileOnILockBytes(ptr long long ptr) coml2.StgCreateDocfileOnILockBytes +@ stdcall StgCreatePropSetStg(ptr long ptr) coml2.StgCreatePropSetStg +@ stdcall StgCreatePropStg(ptr ptr ptr long long ptr) coml2.StgCreatePropStg +@ stdcall StgCreateStorageEx(wstr long long long ptr ptr ptr ptr) coml2.StgCreateStorageEx @ stub StgGetIFillLockBytesOnFile @ stub StgGetIFillLockBytesOnILockBytes -@ stdcall StgIsStorageFile(wstr) -@ stdcall StgIsStorageILockBytes(ptr) +@ stdcall StgIsStorageFile(wstr) coml2.StgIsStorageFile +@ stdcall StgIsStorageILockBytes(ptr) coml2.StgIsStorageILockBytes @ stub StgOpenAsyncDocfileOnIFillLockBytes -@ stdcall StgOpenPropStg(ptr ptr long long ptr) -@ stdcall StgOpenStorage(wstr ptr long ptr long ptr) -@ stdcall StgOpenStorageEx(wstr long long long ptr ptr ptr ptr) -@ stdcall StgOpenStorageOnILockBytes(ptr ptr long ptr long ptr) -@ stdcall StgSetTimes(wstr ptr ptr ptr ) +@ stdcall StgOpenPropStg(ptr ptr long long ptr) coml2.StgOpenPropStg +@ stdcall StgOpenStorage(wstr ptr long ptr long ptr) coml2.StgOpenStorage +@ stdcall StgOpenStorageEx(wstr long long long ptr ptr ptr ptr) coml2.StgOpenStorageEx +@ stdcall StgOpenStorageOnILockBytes(ptr ptr long ptr long ptr) coml2.StgOpenStorageOnILockBytes +@ stdcall StgSetTimes(wstr ptr ptr ptr) coml2.StgSetTimes @ stdcall StringFromCLSID(ptr ptr) combase.StringFromCLSID @ stdcall StringFromGUID2(ptr ptr long) combase.StringFromGUID2 @ stdcall StringFromIID(ptr ptr) combase.StringFromIID @@ -294,8 +294,8 @@ @ stdcall WdtpInterfacePointer_UserMarshal(ptr long ptr ptr ptr) combase.WdtpInterfacePointer_UserMarshal @ stdcall WdtpInterfacePointer_UserSize(ptr long long ptr ptr) combase.WdtpInterfacePointer_UserSize @ stdcall WdtpInterfacePointer_UserUnmarshal(ptr ptr ptr ptr) combase.WdtpInterfacePointer_UserUnmarshal -@ stdcall WriteClassStg(ptr ptr) -@ stdcall WriteClassStm(ptr ptr) -@ stdcall WriteFmtUserTypeStg(ptr long ptr) +@ stdcall WriteClassStg(ptr ptr) coml2.WriteClassStg +@ stdcall WriteClassStm(ptr ptr) coml2.WriteClassStm +@ stdcall WriteFmtUserTypeStg(ptr long ptr) coml2.InternalWriteFmtUserTypeStg @ stub WriteOleStg @ stub WriteStringStream diff --git a/dlls/ole32/stg_prop.c b/dlls/ole32/stg_prop.c deleted file mode 100644 index 8bc159c7dd5..00000000000 --- a/dlls/ole32/stg_prop.c +++ /dev/null @@ -1,3297 +0,0 @@ -/* - * Compound Storage (32 bit version) - * Storage implementation - * - * This file contains the compound file implementation - * of the storage interface. - * - * Copyright 1999 Francis Beaudet - * Copyright 1999 Sylvain St-Germain - * Copyright 1999 Thuy Nguyen - * Copyright 2005 Mike McCormack - * Copyright 2005 Juan Lang - * Copyright 2006 Mike McCormack - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - * - * TODO: - * - I don't honor the maximum property set size. - * - Certain bogus files could result in reading past the end of a buffer. - * - Mac-generated files won't be read correctly, even if they're little - * endian, because I disregard whether the generator was a Mac. This means - * strings will probably be munged (as I don't understand Mac scripts.) - * - Not all PROPVARIANT types are supported. - * - User defined properties are not supported, see comment in - * PropertyStorage_ReadFromStream - */ - -#include <assert.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#define COBJMACROS -#include "windef.h" -#include "winbase.h" -#include "winnls.h" -#include "winuser.h" -#include "wine/asm.h" -#include "wine/debug.h" -#include "wine/heap.h" -#include "dictionary.h" -#include "storage32.h" -#include "oleauto.h" - -WINE_DEFAULT_DEBUG_CHANNEL(storage); - -static inline StorageImpl *impl_from_IPropertySetStorage( IPropertySetStorage *iface ) -{ - return CONTAINING_RECORD(iface, StorageImpl, base.IPropertySetStorage_iface); -} - -/* These are documented in MSDN, - * but they don't seem to be in any header file. - */ -#define PROPSETHDR_BYTEORDER_MAGIC 0xfffe -#define PROPSETHDR_OSVER_KIND_WIN16 0 -#define PROPSETHDR_OSVER_KIND_MAC 1 -#define PROPSETHDR_OSVER_KIND_WIN32 2 - -#define CP_UNICODE 1200 - -#define MAX_VERSION_0_PROP_NAME_LENGTH 256 - -#define CFTAG_WINDOWS (-1L) -#define CFTAG_MACINTOSH (-2L) -#define CFTAG_FMTID (-3L) -#define CFTAG_NODATA 0L - -#define ALIGNED_LENGTH(_Len, _Align) (((_Len)+(_Align))&~(_Align)) - -typedef struct tagPROPERTYSETHEADER -{ - WORD wByteOrder; /* always 0xfffe */ - WORD wFormat; /* can be zero or one */ - DWORD dwOSVer; /* OS version of originating system */ - CLSID clsid; /* application CLSID */ - DWORD reserved; /* always 1 */ -} PROPERTYSETHEADER; - -typedef struct tagFORMATIDOFFSET -{ - FMTID fmtid; - DWORD dwOffset; /* from beginning of stream */ -} FORMATIDOFFSET; - -typedef struct tagPROPERTYSECTIONHEADER -{ - DWORD cbSection; - DWORD cProperties; -} PROPERTYSECTIONHEADER; - -typedef struct tagPROPERTYIDOFFSET -{ - DWORD propid; - DWORD dwOffset; /* from beginning of section */ -} PROPERTYIDOFFSET; - -typedef struct tagPropertyStorage_impl PropertyStorage_impl; - -/* Initializes the property storage from the stream (and undoes any uncommitted - * changes in the process.) Returns an error if there is an error reading or - * if the stream format doesn't match what's expected. - */ -static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *); - -static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *); - -/* Creates the dictionaries used by the property storage. If successful, all - * the dictionaries have been created. If failed, none has been. (This makes - * it a bit easier to deal with destroying them.) - */ -static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *); - -static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *); - -/* Copies from propvar to prop. If propvar's type is VT_LPSTR, copies the - * string using PropertyStorage_StringCopy. - */ -static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop, - const PROPVARIANT *propvar, UINT targetCP, UINT srcCP); - -/* Copies the string src, which is encoded using code page srcCP, and returns - * it in *dst, in the code page specified by targetCP. The returned string is - * allocated using CoTaskMemAlloc. - * If srcCP is CP_UNICODE, src is in fact an LPCWSTR. Similarly, if targetCP - * is CP_UNICODE, the returned string is in fact an LPWSTR. - * Returns S_OK on success, something else on failure. - */ -static HRESULT PropertyStorage_StringCopy(LPCSTR src, UINT srcCP, LPSTR *dst, - UINT targetCP); - -static const IPropertyStorageVtbl IPropertyStorage_Vtbl; - -/*********************************************************************** - * Implementation of IPropertyStorage - */ -struct tagPropertyStorage_impl -{ - IPropertyStorage IPropertyStorage_iface; - LONG ref; - CRITICAL_SECTION cs; - IStream *stm; - BOOL dirty; - FMTID fmtid; - CLSID clsid; - WORD format; - DWORD originatorOS; - DWORD grfFlags; - DWORD grfMode; - UINT codePage; - LCID locale; - PROPID highestProp; - struct dictionary *name_to_propid; - struct dictionary *propid_to_name; - struct dictionary *propid_to_prop; -}; - -static inline PropertyStorage_impl *impl_from_IPropertyStorage(IPropertyStorage *iface) -{ - return CONTAINING_RECORD(iface, PropertyStorage_impl, IPropertyStorage_iface); -} - -struct enum_stat_prop_stg -{ - IEnumSTATPROPSTG IEnumSTATPROPSTG_iface; - LONG refcount; - PropertyStorage_impl *storage; - STATPROPSTG *stats; - size_t current; - size_t count; -}; - -static struct enum_stat_prop_stg *impl_from_IEnumSTATPROPSTG(IEnumSTATPROPSTG *iface) -{ - return CONTAINING_RECORD(iface, struct enum_stat_prop_stg, IEnumSTATPROPSTG_iface); -} - -static HRESULT WINAPI enum_stat_prop_stg_QueryInterface(IEnumSTATPROPSTG *iface, REFIID riid, void **obj) -{ - TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj); - - if (IsEqualIID(riid, &IID_IEnumSTATPROPSTG) || - IsEqualIID(riid, &IID_IUnknown)) - { - *obj = iface; - IEnumSTATPROPSTG_AddRef(iface); - return S_OK; - } - - WARN("Unsupported interface %s.\n", debugstr_guid(riid)); - return E_NOINTERFACE; -} - -static ULONG WINAPI enum_stat_prop_stg_AddRef(IEnumSTATPROPSTG *iface) -{ - struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); - LONG refcount = InterlockedIncrement(&penum->refcount); - - TRACE("%p, refcount %lu.\n", iface, refcount); - - return refcount; -} - -static ULONG WINAPI enum_stat_prop_stg_Release(IEnumSTATPROPSTG *iface) -{ - struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); - LONG refcount = InterlockedDecrement(&penum->refcount); - - TRACE("%p, refcount %lu.\n", iface, refcount); - - if (!refcount) - { - IPropertyStorage_Release(&penum->storage->IPropertyStorage_iface); - heap_free(penum->stats); - heap_free(penum); - } - - return refcount; -} - -static HRESULT WINAPI enum_stat_prop_stg_Next(IEnumSTATPROPSTG *iface, ULONG celt, STATPROPSTG *ret, ULONG *fetched) -{ - struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); - ULONG count = 0; - WCHAR *name; - - TRACE("%p, %lu, %p, %p.\n", iface, celt, ret, fetched); - - if (penum->current == ~0u) - penum->current = 0; - - while (count < celt && penum->current < penum->count) - { - *ret = penum->stats[penum->current++]; - - if (dictionary_find(penum->storage->propid_to_name, UlongToPtr(ret->propid), (void **)&name)) - { - SIZE_T size = (lstrlenW(name) + 1) * sizeof(WCHAR); - ret->lpwstrName = CoTaskMemAlloc(size); - if (ret->lpwstrName) - memcpy(ret->lpwstrName, name, size); - } - ret++; - count++; - } - - if (fetched) - *fetched = count; - - return count < celt ? S_FALSE : S_OK; -} - -static HRESULT WINAPI enum_stat_prop_stg_Skip(IEnumSTATPROPSTG *iface, ULONG celt) -{ - FIXME("%p, %lu.\n", iface, celt); - - return S_OK; -} - -static HRESULT WINAPI enum_stat_prop_stg_Reset(IEnumSTATPROPSTG *iface) -{ - struct enum_stat_prop_stg *penum = impl_from_IEnumSTATPROPSTG(iface); - - TRACE("%p.\n", iface); - - penum->current = ~0u; - - return S_OK; -} - -static HRESULT WINAPI enum_stat_prop_stg_Clone(IEnumSTATPROPSTG *iface, IEnumSTATPROPSTG **ppenum) -{ - FIXME("%p, %p.\n", iface, ppenum); - - return E_NOTIMPL; -} - -static const IEnumSTATPROPSTGVtbl enum_stat_prop_stg_vtbl = -{ - enum_stat_prop_stg_QueryInterface, - enum_stat_prop_stg_AddRef, - enum_stat_prop_stg_Release, - enum_stat_prop_stg_Next, - enum_stat_prop_stg_Skip, - enum_stat_prop_stg_Reset, - enum_stat_prop_stg_Clone, -}; - -static BOOL prop_enum_stat(const void *k, const void *v, void *extra, void *arg) -{ - struct enum_stat_prop_stg *stg = arg; - PROPID propid = PtrToUlong(k); - const PROPVARIANT *prop = v; - STATPROPSTG *dest; - - dest = &stg->stats[stg->count]; - - dest->lpwstrName = NULL; - dest->propid = propid; - dest->vt = prop->vt; - stg->count++; - - return TRUE; -} - -static BOOL prop_enum_stat_count(const void *k, const void *v, void *extra, void *arg) -{ - DWORD *count = arg; - - *count += 1; - - return TRUE; -} - -static HRESULT create_enum_stat_prop_stg(PropertyStorage_impl *storage, IEnumSTATPROPSTG **ret) -{ - struct enum_stat_prop_stg *enum_obj; - DWORD count; - - enum_obj = heap_alloc_zero(sizeof(*enum_obj)); - if (!enum_obj) - return E_OUTOFMEMORY; - - enum_obj->IEnumSTATPROPSTG_iface.lpVtbl = &enum_stat_prop_stg_vtbl; - enum_obj->refcount = 1; - enum_obj->storage = storage; - IPropertyStorage_AddRef(&storage->IPropertyStorage_iface); - - count = 0; - dictionary_enumerate(storage->propid_to_prop, prop_enum_stat_count, &count); - - if (count) - { - if (!(enum_obj->stats = heap_alloc(sizeof(*enum_obj->stats) * count))) - { - IEnumSTATPROPSTG_Release(&enum_obj->IEnumSTATPROPSTG_iface); - return E_OUTOFMEMORY; - } - - dictionary_enumerate(storage->propid_to_prop, prop_enum_stat, enum_obj); - } - - *ret = &enum_obj->IEnumSTATPROPSTG_iface; - - return S_OK; -} - -/************************************************************************ - * IPropertyStorage_fnQueryInterface (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnQueryInterface( - IPropertyStorage *iface, - REFIID riid, - void** ppvObject) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - - TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppvObject); - - if (!ppvObject) - return E_INVALIDARG; - - *ppvObject = 0; - - if (IsEqualGUID(&IID_IUnknown, riid) || - IsEqualGUID(&IID_IPropertyStorage, riid)) - { - IPropertyStorage_AddRef(iface); - *ppvObject = iface; - return S_OK; - } - - return E_NOINTERFACE; -} - -/************************************************************************ - * IPropertyStorage_fnAddRef (IPropertyStorage) - */ -static ULONG WINAPI IPropertyStorage_fnAddRef( - IPropertyStorage *iface) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - return InterlockedIncrement(&This->ref); -} - -/************************************************************************ - * IPropertyStorage_fnRelease (IPropertyStorage) - */ -static ULONG WINAPI IPropertyStorage_fnRelease( - IPropertyStorage *iface) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - ULONG ref; - - ref = InterlockedDecrement(&This->ref); - if (ref == 0) - { - TRACE("Destroying %p\n", This); - if (This->dirty) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - IStream_Release(This->stm); - This->cs.DebugInfo->Spare[0] = 0; - DeleteCriticalSection(&This->cs); - PropertyStorage_DestroyDictionaries(This); - HeapFree(GetProcessHeap(), 0, This); - } - return ref; -} - -static PROPVARIANT *PropertyStorage_FindProperty(PropertyStorage_impl *This, - DWORD propid) -{ - PROPVARIANT *ret = NULL; - - dictionary_find(This->propid_to_prop, UlongToPtr(propid), (void **)&ret); - TRACE("returning %p\n", ret); - return ret; -} - -/* Returns NULL if name is NULL. */ -static PROPVARIANT *PropertyStorage_FindPropertyByName( - PropertyStorage_impl *This, LPCWSTR name) -{ - PROPVARIANT *ret = NULL; - void *propid; - - if (!name) - return NULL; - if (This->codePage == CP_UNICODE) - { - if (dictionary_find(This->name_to_propid, name, &propid)) - ret = PropertyStorage_FindProperty(This, PtrToUlong(propid)); - } - else - { - LPSTR ansiName; - HRESULT hr = PropertyStorage_StringCopy((LPCSTR)name, CP_UNICODE, - &ansiName, This->codePage); - - if (SUCCEEDED(hr)) - { - if (dictionary_find(This->name_to_propid, ansiName, &propid)) - ret = PropertyStorage_FindProperty(This, PtrToUlong(propid)); - CoTaskMemFree(ansiName); - } - } - TRACE("returning %p\n", ret); - return ret; -} - -static LPWSTR PropertyStorage_FindPropertyNameById(PropertyStorage_impl *This, - DWORD propid) -{ - LPWSTR ret = NULL; - - dictionary_find(This->propid_to_name, UlongToPtr(propid), (void **)&ret); - TRACE("returning %p\n", ret); - return ret; -} - -/************************************************************************ - * IPropertyStorage_fnReadMultiple (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnReadMultiple( - IPropertyStorage* iface, - ULONG cpspec, - const PROPSPEC rgpspec[], - PROPVARIANT rgpropvar[]) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - HRESULT hr = S_OK; - ULONG i; - - TRACE("%p, %lu, %p, %p\n", iface, cpspec, rgpspec, rgpropvar); - - if (!cpspec) - return S_FALSE; - if (!rgpspec || !rgpropvar) - return E_INVALIDARG; - EnterCriticalSection(&This->cs); - for (i = 0; i < cpspec; i++) - { - PropVariantInit(&rgpropvar[i]); - if (rgpspec[i].ulKind == PRSPEC_LPWSTR) - { - PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This, - rgpspec[i].lpwstr); - - if (prop) - PropertyStorage_PropVariantCopy(&rgpropvar[i], prop, GetACP(), - This->codePage); - } - else - { - switch (rgpspec[i].propid) - { - case PID_CODEPAGE: - rgpropvar[i].vt = VT_I2; - rgpropvar[i].iVal = This->codePage; - break; - case PID_LOCALE: - rgpropvar[i].vt = VT_I4; - rgpropvar[i].lVal = This->locale; - break; - default: - { - PROPVARIANT *prop = PropertyStorage_FindProperty(This, - rgpspec[i].propid); - - if (prop) - PropertyStorage_PropVariantCopy(&rgpropvar[i], prop, - GetACP(), This->codePage); - else - hr = S_FALSE; - } - } - } - } - LeaveCriticalSection(&This->cs); - return hr; -} - -static HRESULT PropertyStorage_StringCopy(LPCSTR src, UINT srcCP, LPSTR *dst, UINT dstCP) -{ - HRESULT hr = S_OK; - int len; - - TRACE("%s, %p, %d, %d\n", - srcCP == CP_UNICODE ? debugstr_w((LPCWSTR)src) : debugstr_a(src), dst, - dstCP, srcCP); - assert(src); - assert(dst); - *dst = NULL; - if (dstCP == srcCP) - { - size_t len; - - if (dstCP == CP_UNICODE) - len = (lstrlenW((LPCWSTR)src) + 1) * sizeof(WCHAR); - else - len = strlen(src) + 1; - *dst = CoTaskMemAlloc(len); - if (!*dst) - hr = STG_E_INSUFFICIENTMEMORY; - else - memcpy(*dst, src, len); - } - else - { - if (dstCP == CP_UNICODE) - { - len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0); - *dst = CoTaskMemAlloc(len * sizeof(WCHAR)); - if (!*dst) - hr = STG_E_INSUFFICIENTMEMORY; - else - MultiByteToWideChar(srcCP, 0, src, -1, (LPWSTR)*dst, len); - } - else - { - LPCWSTR wideStr = NULL; - LPWSTR wideStr_tmp = NULL; - - if (srcCP == CP_UNICODE) - wideStr = (LPCWSTR)src; - else - { - len = MultiByteToWideChar(srcCP, 0, src, -1, NULL, 0); - wideStr_tmp = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); - if (wideStr_tmp) - { - MultiByteToWideChar(srcCP, 0, src, -1, wideStr_tmp, len); - wideStr = wideStr_tmp; - } - else - hr = STG_E_INSUFFICIENTMEMORY; - } - if (SUCCEEDED(hr)) - { - len = WideCharToMultiByte(dstCP, 0, wideStr, -1, NULL, 0, - NULL, NULL); - *dst = CoTaskMemAlloc(len); - if (!*dst) - hr = STG_E_INSUFFICIENTMEMORY; - else - { - BOOL defCharUsed = FALSE; - - if (WideCharToMultiByte(dstCP, 0, wideStr, -1, *dst, len, - NULL, &defCharUsed) == 0 || defCharUsed) - { - CoTaskMemFree(*dst); - *dst = NULL; - hr = HRESULT_FROM_WIN32(ERROR_NO_UNICODE_TRANSLATION); - } - } - } - HeapFree(GetProcessHeap(), 0, wideStr_tmp); - } - } - TRACE("returning %#lx (%s)\n", hr, - dstCP == CP_UNICODE ? debugstr_w((LPCWSTR)*dst) : debugstr_a(*dst)); - return hr; -} - -static HRESULT PropertyStorage_PropVariantCopy(PROPVARIANT *prop, const PROPVARIANT *propvar, - UINT targetCP, UINT srcCP) -{ - HRESULT hr = S_OK; - - assert(prop); - assert(propvar); - - switch (propvar->vt) - { - case VT_LPSTR: - hr = PropertyStorage_StringCopy(propvar->pszVal, srcCP, &prop->pszVal, targetCP); - if (SUCCEEDED(hr)) - prop->vt = VT_LPSTR; - break; - case VT_BSTR: - if ((prop->bstrVal = SysAllocStringLen(propvar->bstrVal, SysStringLen(propvar->bstrVal)))) - prop->vt = VT_BSTR; - else - hr = E_OUTOFMEMORY; - break; - default: - hr = PropVariantCopy(prop, propvar); - } - - return hr; -} - -/* Stores the property with id propid and value propvar into this property - * storage. lcid is ignored if propvar's type is not VT_LPSTR. If propvar's - * type is VT_LPSTR, converts the string using lcid as the source code page - * and This->codePage as the target code page before storing. - * As a side effect, may change This->format to 1 if the type of propvar is - * a version 1-only property. - */ -static HRESULT PropertyStorage_StorePropWithId(PropertyStorage_impl *This, - PROPID propid, const PROPVARIANT *propvar, UINT cp) -{ - HRESULT hr = S_OK; - PROPVARIANT *prop = PropertyStorage_FindProperty(This, propid); - - assert(propvar); - if (propvar->vt & VT_BYREF || propvar->vt & VT_ARRAY) - This->format = 1; - switch (propvar->vt) - { - case VT_DECIMAL: - case VT_I1: - case VT_INT: - case VT_UINT: - case VT_VECTOR|VT_I1: - This->format = 1; - } - TRACE("Setting %#lx to type %d\n", propid, propvar->vt); - if (prop) - { - PropVariantClear(prop); - hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage, cp); - } - else - { - prop = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, - sizeof(PROPVARIANT)); - if (prop) - { - hr = PropertyStorage_PropVariantCopy(prop, propvar, This->codePage, cp); - if (SUCCEEDED(hr)) - { - dictionary_insert(This->propid_to_prop, UlongToPtr(propid), prop); - if (propid > This->highestProp) - This->highestProp = propid; - } - else - HeapFree(GetProcessHeap(), 0, prop); - } - else - hr = STG_E_INSUFFICIENTMEMORY; - } - return hr; -} - -/* Adds the name srcName to the name dictionaries, mapped to property ID id. - * srcName is encoded in code page cp, and is converted to This->codePage. - * If cp is CP_UNICODE, srcName is actually a unicode string. - * As a side effect, may change This->format to 1 if srcName is too long for - * a version 0 property storage. - * Doesn't validate id. - */ -static HRESULT PropertyStorage_StoreNameWithId(PropertyStorage_impl *This, - LPCSTR srcName, UINT cp, PROPID id) -{ - LPSTR name; - HRESULT hr; - - assert(srcName); - - hr = PropertyStorage_StringCopy(srcName, cp, &name, This->codePage); - if (SUCCEEDED(hr)) - { - if (This->codePage == CP_UNICODE) - { - if (lstrlenW((LPWSTR)name) >= MAX_VERSION_0_PROP_NAME_LENGTH) - This->format = 1; - } - else - { - if (strlen(name) >= MAX_VERSION_0_PROP_NAME_LENGTH) - This->format = 1; - } - TRACE("Adding prop name %s, propid %ld\n", - This->codePage == CP_UNICODE ? debugstr_w((LPCWSTR)name) : - debugstr_a(name), id); - dictionary_insert(This->name_to_propid, name, UlongToPtr(id)); - dictionary_insert(This->propid_to_name, UlongToPtr(id), name); - } - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnWriteMultiple (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnWriteMultiple( - IPropertyStorage* iface, - ULONG cpspec, - const PROPSPEC rgpspec[], - const PROPVARIANT rgpropvar[], - PROPID propidNameFirst) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - HRESULT hr = S_OK; - ULONG i; - - TRACE("%p, %lu, %p, %p.\n", iface, cpspec, rgpspec, rgpropvar); - - if (cpspec && (!rgpspec || !rgpropvar)) - return E_INVALIDARG; - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - EnterCriticalSection(&This->cs); - This->dirty = TRUE; - This->originatorOS = (DWORD)MAKELONG(LOWORD(GetVersion()), - PROPSETHDR_OSVER_KIND_WIN32) ; - for (i = 0; i < cpspec; i++) - { - if (rgpspec[i].ulKind == PRSPEC_LPWSTR) - { - PROPVARIANT *prop = PropertyStorage_FindPropertyByName(This, - rgpspec[i].lpwstr); - - if (prop) - PropVariantCopy(prop, &rgpropvar[i]); - else - { - /* Note that I don't do the special cases here that I do below, - * because naming the special PIDs isn't supported. - */ - if (propidNameFirst < PID_FIRST_USABLE || - propidNameFirst >= PID_MIN_READONLY) - hr = STG_E_INVALIDPARAMETER; - else - { - PROPID nextId = max(propidNameFirst, This->highestProp + 1); - - hr = PropertyStorage_StoreNameWithId(This, - (LPCSTR)rgpspec[i].lpwstr, CP_UNICODE, nextId); - if (SUCCEEDED(hr)) - hr = PropertyStorage_StorePropWithId(This, nextId, - &rgpropvar[i], GetACP()); - } - } - } - else - { - switch (rgpspec[i].propid) - { - case PID_DICTIONARY: - /* Can't set the dictionary */ - hr = STG_E_INVALIDPARAMETER; - break; - case PID_CODEPAGE: - /* Can only set the code page if nothing else has been set */ - if (dictionary_num_entries(This->propid_to_prop) == 0 && - rgpropvar[i].vt == VT_I2) - { - This->codePage = (USHORT)rgpropvar[i].iVal; - if (This->codePage == CP_UNICODE) - This->grfFlags &= ~PROPSETFLAG_ANSI; - else - This->grfFlags |= PROPSETFLAG_ANSI; - } - else - hr = STG_E_INVALIDPARAMETER; - break; - case PID_LOCALE: - /* Can only set the locale if nothing else has been set */ - if (dictionary_num_entries(This->propid_to_prop) == 0 && - rgpropvar[i].vt == VT_I4) - This->locale = rgpropvar[i].lVal; - else - hr = STG_E_INVALIDPARAMETER; - break; - case PID_ILLEGAL: - /* silently ignore like MSDN says */ - break; - default: - if (rgpspec[i].propid >= PID_MIN_READONLY) - hr = STG_E_INVALIDPARAMETER; - else - hr = PropertyStorage_StorePropWithId(This, - rgpspec[i].propid, &rgpropvar[i], GetACP()); - } - } - } - if (This->grfFlags & PROPSETFLAG_UNBUFFERED) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnDeleteMultiple (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnDeleteMultiple( - IPropertyStorage* iface, - ULONG cpspec, - const PROPSPEC rgpspec[]) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - ULONG i; - HRESULT hr; - - TRACE("%p, %ld, %p.\n", iface, cpspec, rgpspec); - - if (cpspec && !rgpspec) - return E_INVALIDARG; - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - hr = S_OK; - EnterCriticalSection(&This->cs); - This->dirty = TRUE; - for (i = 0; i < cpspec; i++) - { - if (rgpspec[i].ulKind == PRSPEC_LPWSTR) - { - void *propid; - - if (dictionary_find(This->name_to_propid, rgpspec[i].lpwstr, &propid)) - dictionary_remove(This->propid_to_prop, propid); - } - else - { - if (rgpspec[i].propid >= PID_FIRST_USABLE && - rgpspec[i].propid < PID_MIN_READONLY) - dictionary_remove(This->propid_to_prop, UlongToPtr(rgpspec[i].propid)); - else - hr = STG_E_INVALIDPARAMETER; - } - } - if (This->grfFlags & PROPSETFLAG_UNBUFFERED) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnReadPropertyNames (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnReadPropertyNames( - IPropertyStorage* iface, - ULONG cpropid, - const PROPID rgpropid[], - LPOLESTR rglpwstrName[]) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - ULONG i; - HRESULT hr = S_FALSE; - - TRACE("%p, %ld, %p, %p.\n", iface, cpropid, rgpropid, rglpwstrName); - - if (cpropid && (!rgpropid || !rglpwstrName)) - return E_INVALIDARG; - EnterCriticalSection(&This->cs); - for (i = 0; i < cpropid && SUCCEEDED(hr); i++) - { - LPWSTR name = PropertyStorage_FindPropertyNameById(This, rgpropid[i]); - - if (name) - { - size_t len = lstrlenW(name); - - hr = S_OK; - rglpwstrName[i] = CoTaskMemAlloc((len + 1) * sizeof(WCHAR)); - if (rglpwstrName[i]) - memcpy(rglpwstrName[i], name, (len + 1) * sizeof(WCHAR)); - else - hr = STG_E_INSUFFICIENTMEMORY; - } - else - rglpwstrName[i] = NULL; - } - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnWritePropertyNames (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnWritePropertyNames( - IPropertyStorage* iface, - ULONG cpropid, - const PROPID rgpropid[], - const LPOLESTR rglpwstrName[]) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - ULONG i; - HRESULT hr; - - TRACE("%p, %lu, %p, %p.\n", iface, cpropid, rgpropid, rglpwstrName); - - if (cpropid && (!rgpropid || !rglpwstrName)) - return E_INVALIDARG; - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - hr = S_OK; - EnterCriticalSection(&This->cs); - This->dirty = TRUE; - for (i = 0; SUCCEEDED(hr) && i < cpropid; i++) - { - if (rgpropid[i] != PID_ILLEGAL) - hr = PropertyStorage_StoreNameWithId(This, (LPCSTR)rglpwstrName[i], - CP_UNICODE, rgpropid[i]); - } - if (This->grfFlags & PROPSETFLAG_UNBUFFERED) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnDeletePropertyNames (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnDeletePropertyNames( - IPropertyStorage* iface, - ULONG cpropid, - const PROPID rgpropid[]) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - ULONG i; - HRESULT hr; - - TRACE("%p, %ld, %p.\n", iface, cpropid, rgpropid); - - if (cpropid && !rgpropid) - return E_INVALIDARG; - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - hr = S_OK; - EnterCriticalSection(&This->cs); - This->dirty = TRUE; - for (i = 0; i < cpropid; i++) - { - LPWSTR name = NULL; - - if (dictionary_find(This->propid_to_name, UlongToPtr(rgpropid[i]), (void **)&name)) - { - dictionary_remove(This->propid_to_name, UlongToPtr(rgpropid[i])); - dictionary_remove(This->name_to_propid, name); - } - } - if (This->grfFlags & PROPSETFLAG_UNBUFFERED) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnCommit (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnCommit( - IPropertyStorage* iface, - DWORD grfCommitFlags) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - HRESULT hr; - - TRACE("%p, %#lx.\n", iface, grfCommitFlags); - - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - EnterCriticalSection(&This->cs); - if (This->dirty) - hr = PropertyStorage_WriteToStream(This); - else - hr = S_OK; - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnRevert (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnRevert( - IPropertyStorage* iface) -{ - HRESULT hr; - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - - TRACE("%p\n", iface); - - EnterCriticalSection(&This->cs); - if (This->dirty) - { - PropertyStorage_DestroyDictionaries(This); - hr = PropertyStorage_CreateDictionaries(This); - if (SUCCEEDED(hr)) - hr = PropertyStorage_ReadFromStream(This); - } - else - hr = S_OK; - LeaveCriticalSection(&This->cs); - return hr; -} - -/************************************************************************ - * IPropertyStorage_fnEnum (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnEnum(IPropertyStorage *iface, IEnumSTATPROPSTG **ppenum) -{ - PropertyStorage_impl *storage = impl_from_IPropertyStorage(iface); - - TRACE("%p, %p.\n", iface, ppenum); - - return create_enum_stat_prop_stg(storage, ppenum); -} - -/************************************************************************ - * IPropertyStorage_fnSetTimes (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnSetTimes( - IPropertyStorage* iface, - const FILETIME* pctime, - const FILETIME* patime, - const FILETIME* pmtime) -{ - FIXME("\n"); - return E_NOTIMPL; -} - -/************************************************************************ - * IPropertyStorage_fnSetClass (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnSetClass( - IPropertyStorage* iface, - REFCLSID clsid) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - - TRACE("%p, %s\n", iface, debugstr_guid(clsid)); - - if (!clsid) - return E_INVALIDARG; - if (!(This->grfMode & STGM_READWRITE)) - return STG_E_ACCESSDENIED; - This->clsid = *clsid; - This->dirty = TRUE; - if (This->grfFlags & PROPSETFLAG_UNBUFFERED) - IPropertyStorage_Commit(iface, STGC_DEFAULT); - return S_OK; -} - -/************************************************************************ - * IPropertyStorage_fnStat (IPropertyStorage) - */ -static HRESULT WINAPI IPropertyStorage_fnStat( - IPropertyStorage* iface, - STATPROPSETSTG* statpsstg) -{ - PropertyStorage_impl *This = impl_from_IPropertyStorage(iface); - STATSTG stat; - HRESULT hr; - - TRACE("%p, %p\n", iface, statpsstg); - - if (!statpsstg) - return E_INVALIDARG; - - hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME); - if (SUCCEEDED(hr)) - { - statpsstg->fmtid = This->fmtid; - statpsstg->clsid = This->clsid; - statpsstg->grfFlags = This->grfFlags; - statpsstg->mtime = stat.mtime; - statpsstg->ctime = stat.ctime; - statpsstg->atime = stat.atime; - statpsstg->dwOSVersion = This->originatorOS; - } - return hr; -} - -static int PropertyStorage_PropNameCompare(const void *a, const void *b, - void *extra) -{ - PropertyStorage_impl *This = extra; - - if (This->codePage == CP_UNICODE) - { - TRACE("(%s, %s)\n", debugstr_w(a), debugstr_w(b)); - if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) - return wcscmp(a, b); - else - return lstrcmpiW(a, b); - } - else - { - TRACE("(%s, %s)\n", debugstr_a(a), debugstr_a(b)); - if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) - return lstrcmpA(a, b); - else - return lstrcmpiA(a, b); - } -} - -static void PropertyStorage_PropNameDestroy(void *k, void *d, void *extra) -{ - CoTaskMemFree(k); -} - -static int PropertyStorage_PropCompare(const void *a, const void *b, - void *extra) -{ - TRACE("%lu, %lu.\n", PtrToUlong(a), PtrToUlong(b)); - return PtrToUlong(a) - PtrToUlong(b); -} - -static void PropertyStorage_PropertyDestroy(void *k, void *d, void *extra) -{ - PropVariantClear(d); - HeapFree(GetProcessHeap(), 0, d); -} - -#ifdef WORDS_BIGENDIAN -/* Swaps each character in str to or from little endian; assumes the conversion - * is symmetric, that is, that lendian16toh is equivalent to htole16. - */ -static void PropertyStorage_ByteSwapString(LPWSTR str, size_t len) -{ - DWORD i; - - /* Swap characters to host order. - * FIXME: alignment? - */ - for (i = 0; i < len; i++) - str[i] = lendian16toh(str[i]); -} -#else -#define PropertyStorage_ByteSwapString(s, l) -#endif - -static void* WINAPI Allocate_CoTaskMemAlloc(void *this, ULONG size) -{ - return CoTaskMemAlloc(size); -} - -struct read_buffer -{ - BYTE *data; - size_t size; -}; - -static HRESULT buffer_test_offset(const struct read_buffer *buffer, size_t offset, size_t len) -{ - return len > buffer->size || offset > buffer->size - len ? STG_E_READFAULT : S_OK; -} - -static HRESULT buffer_read_uint64(const struct read_buffer *buffer, size_t offset, ULARGE_INTEGER *data) -{ - HRESULT hr; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) - StorageUtl_ReadULargeInteger(buffer->data, offset, data); - - return hr; -} - -static HRESULT buffer_read_dword(const struct read_buffer *buffer, size_t offset, DWORD *data) -{ - HRESULT hr; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) - StorageUtl_ReadDWord(buffer->data, offset, data); - - return hr; -} - -static HRESULT buffer_read_word(const struct read_buffer *buffer, size_t offset, WORD *data) -{ - HRESULT hr; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) - StorageUtl_ReadWord(buffer->data, offset, data); - - return hr; -} - -static HRESULT buffer_read_byte(const struct read_buffer *buffer, size_t offset, BYTE *data) -{ - HRESULT hr; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*data)))) - *data = *(buffer->data + offset); - - return hr; -} - -static HRESULT buffer_read_len(const struct read_buffer *buffer, size_t offset, void *dest, size_t len) -{ - HRESULT hr; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, len))) - memcpy(dest, buffer->data + offset, len); - - return hr; -} - -static HRESULT propertystorage_read_scalar(PROPVARIANT *prop, const struct read_buffer *buffer, size_t offset, - UINT codepage, void* (WINAPI *allocate)(void *this, ULONG size), void *allocate_data) -{ - HRESULT hr; - - assert(!(prop->vt & (VT_ARRAY | VT_VECTOR))); - - switch (prop->vt) - { - case VT_EMPTY: - case VT_NULL: - hr = S_OK; - break; - case VT_I1: - hr = buffer_read_byte(buffer, offset, (BYTE *)&prop->cVal); - TRACE("Read char 0x%x ('%c')\n", prop->cVal, prop->cVal); - break; - case VT_UI1: - hr = buffer_read_byte(buffer, offset, &prop->bVal); - TRACE("Read byte 0x%x\n", prop->bVal); - break; - case VT_BOOL: - hr = buffer_read_word(buffer, offset, (WORD *)&prop->boolVal); - TRACE("Read bool %d\n", prop->boolVal); - break; - case VT_I2: - hr = buffer_read_word(buffer, offset, (WORD *)&prop->iVal); - TRACE("Read short %d\n", prop->iVal); - break; - case VT_UI2: - hr = buffer_read_word(buffer, offset, &prop->uiVal); - TRACE("Read ushort %d\n", prop->uiVal); - break; - case VT_INT: - case VT_I4: - hr = buffer_read_dword(buffer, offset, (DWORD *)&prop->lVal); - TRACE("Read long %ld\n", prop->lVal); - break; - case VT_UINT: - case VT_UI4: - hr = buffer_read_dword(buffer, offset, &prop->ulVal); - TRACE("Read ulong %ld\n", prop->ulVal); - break; - case VT_I8: - hr = buffer_read_uint64(buffer, offset, (ULARGE_INTEGER *)&prop->hVal); - TRACE("Read long long %s\n", wine_dbgstr_longlong(prop->hVal.QuadPart)); - break; - case VT_UI8: - hr = buffer_read_uint64(buffer, offset, &prop->uhVal); - TRACE("Read ulong long %s\n", wine_dbgstr_longlong(prop->uhVal.QuadPart)); - break; - case VT_R8: - hr = buffer_read_len(buffer, offset, &prop->dblVal, sizeof(prop->dblVal)); - TRACE("Read double %f\n", prop->dblVal); - break; - case VT_LPSTR: - { - DWORD count; - - if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) - break; - - offset += sizeof(DWORD); - - if (codepage == CP_UNICODE && count % sizeof(WCHAR)) - { - WARN("Unicode string has odd number of bytes\n"); - hr = STG_E_INVALIDHEADER; - } - else - { - prop->pszVal = allocate(allocate_data, count); - if (prop->pszVal) - { - if (FAILED(hr = buffer_read_len(buffer, offset, prop->pszVal, count))) - break; - - /* This is stored in the code page specified in codepage. - * Don't convert it, the caller will just store it as-is. - */ - if (codepage == CP_UNICODE) - { - /* Make sure it's NULL-terminated */ - prop->pszVal[count / sizeof(WCHAR) - 1] = '\0'; - TRACE("Read string value %s\n", - debugstr_w(prop->pwszVal)); - } - else - { - /* Make sure it's NULL-terminated */ - prop->pszVal[count - 1] = '\0'; - TRACE("Read string value %s\n", debugstr_a(prop->pszVal)); - } - } - else - hr = STG_E_INSUFFICIENTMEMORY; - } - break; - } - case VT_BSTR: - { - DWORD count, wcount; - - if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) - break; - - offset += sizeof(DWORD); - - if (codepage == CP_UNICODE && count % sizeof(WCHAR)) - { - WARN("Unicode string has odd number of bytes\n"); - hr = STG_E_INVALIDHEADER; - } - else - { - if (codepage == CP_UNICODE) - wcount = count / sizeof(WCHAR); - else - { - if (FAILED(hr = buffer_test_offset(buffer, offset, count))) - break; - wcount = MultiByteToWideChar(codepage, 0, (LPCSTR)(buffer->data + offset), count, NULL, 0); - } - - prop->bstrVal = SysAllocStringLen(NULL, wcount); /* FIXME: use allocator? */ - - if (prop->bstrVal) - { - if (codepage == CP_UNICODE) - hr = buffer_read_len(buffer, offset, prop->bstrVal, count); - else - MultiByteToWideChar(codepage, 0, (LPCSTR)(buffer->data + offset), count, prop->bstrVal, wcount); - - prop->bstrVal[wcount - 1] = '\0'; - TRACE("Read string value %s\n", debugstr_w(prop->bstrVal)); - } - else - hr = STG_E_INSUFFICIENTMEMORY; - } - break; - } - case VT_BLOB: - { - DWORD count; - - if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) - break; - - offset += sizeof(DWORD); - - prop->blob.cbSize = count; - prop->blob.pBlobData = allocate(allocate_data, count); - if (prop->blob.pBlobData) - { - hr = buffer_read_len(buffer, offset, prop->blob.pBlobData, count); - TRACE("Read blob value of size %ld\n", count); - } - else - hr = STG_E_INSUFFICIENTMEMORY; - break; - } - case VT_LPWSTR: - { - DWORD count; - - if (FAILED(hr = buffer_read_dword(buffer, offset, &count))) - break; - - offset += sizeof(DWORD); - - prop->pwszVal = allocate(allocate_data, count * sizeof(WCHAR)); - if (prop->pwszVal) - { - if (SUCCEEDED(hr = buffer_read_len(buffer, offset, prop->pwszVal, count * sizeof(WCHAR)))) - { - /* make sure string is NULL-terminated */ - prop->pwszVal[count - 1] = '\0'; - PropertyStorage_ByteSwapString(prop->pwszVal, count); - TRACE("Read string value %s\n", debugstr_w(prop->pwszVal)); - } - } - else - hr = STG_E_INSUFFICIENTMEMORY; - break; - } - case VT_FILETIME: - hr = buffer_read_uint64(buffer, offset, (ULARGE_INTEGER *)&prop->filetime); - break; - case VT_CF: - { - DWORD len = 0, tag = 0; - - if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &len))) - hr = buffer_read_dword(buffer, offset + sizeof(DWORD), &tag); - if (FAILED(hr)) - break; - - offset += 2 * sizeof(DWORD); - - if (len > 8) - { - len -= 8; - prop->pclipdata = allocate(allocate_data, sizeof (CLIPDATA)); - prop->pclipdata->cbSize = len; - prop->pclipdata->ulClipFmt = tag; - prop->pclipdata->pClipData = allocate(allocate_data, len - sizeof(prop->pclipdata->ulClipFmt)); - hr = buffer_read_len(buffer, offset, prop->pclipdata->pClipData, len - sizeof(prop->pclipdata->ulClipFmt)); - } - else - hr = STG_E_INVALIDPARAMETER; - } - break; - case VT_CLSID: - if (!(prop->puuid = allocate(allocate_data, sizeof (*prop->puuid)))) - return STG_E_INSUFFICIENTMEMORY; - - if (SUCCEEDED(hr = buffer_test_offset(buffer, offset, sizeof(*prop->puuid)))) - StorageUtl_ReadGUID(buffer->data, offset, prop->puuid); - - break; - default: - FIXME("unsupported type %d\n", prop->vt); - hr = STG_E_INVALIDPARAMETER; - } - - return hr; -} - -static size_t propertystorage_get_elemsize(const PROPVARIANT *prop) -{ - if (!(prop->vt & VT_VECTOR)) - return 0; - - switch (prop->vt & ~VT_VECTOR) - { - case VT_I1: return sizeof(*prop->cac.pElems); - case VT_UI1: return sizeof(*prop->caub.pElems); - case VT_I2: return sizeof(*prop->cai.pElems); - case VT_UI2: return sizeof(*prop->caui.pElems); - case VT_BOOL: return sizeof(*prop->cabool.pElems); - case VT_I4: return sizeof(*prop->cal.pElems); - case VT_UI4: return sizeof(*prop->caul.pElems); - case VT_R4: return sizeof(*prop->caflt.pElems); - case VT_ERROR: return sizeof(*prop->cascode.pElems); - case VT_I8: return sizeof(*prop->cah.pElems); - case VT_UI8: return sizeof(*prop->cauh.pElems); - case VT_R8: return sizeof(*prop->cadbl.pElems); - case VT_CY: return sizeof(*prop->cacy.pElems); - case VT_DATE: return sizeof(*prop->cadate.pElems); - case VT_FILETIME: return sizeof(*prop->cafiletime.pElems); - case VT_CLSID: return sizeof(*prop->cauuid.pElems); - case VT_VARIANT: return sizeof(*prop->capropvar.pElems); - default: - FIXME("Unhandled type %#x.\n", prop->vt); - return 0; - } -} - -static HRESULT PropertyStorage_ReadProperty(PROPVARIANT *prop, const struct read_buffer *buffer, - size_t offset, UINT codepage, void* (WINAPI *allocate)(void *this, ULONG size), void *allocate_data) -{ - HRESULT hr; - DWORD vt; - - assert(prop); - assert(buffer->data); - - if (FAILED(hr = buffer_read_dword(buffer, offset, &vt))) - return hr; - - offset += sizeof(DWORD); - prop->vt = vt; - - if (prop->vt & VT_VECTOR) - { - DWORD count, i; - - switch (prop->vt & VT_VECTOR) - { - case VT_BSTR: - case VT_VARIANT: - case VT_LPSTR: - case VT_LPWSTR: - case VT_CF: - FIXME("Vector with variable length elements are not supported.\n"); - return STG_E_INVALIDPARAMETER; - default: - ; - } - - if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &count))) - { - size_t elemsize = propertystorage_get_elemsize(prop); - PROPVARIANT elem; - - offset += sizeof(DWORD); - - if ((prop->capropvar.pElems = allocate(allocate_data, elemsize * count))) - { - prop->capropvar.cElems = count; - elem.vt = prop->vt & ~VT_VECTOR; - - for (i = 0; i < count; ++i) - { - if (SUCCEEDED(hr = propertystorage_read_scalar(&elem, buffer, offset + i * elemsize, codepage, - allocate, allocate_data))) - { - memcpy(&prop->capropvar.pElems[i], &elem.lVal, elemsize); - } - } - } - else - hr = STG_E_INSUFFICIENTMEMORY; - } - } - else if (prop->vt & VT_ARRAY) - { - FIXME("VT_ARRAY properties are not supported.\n"); - hr = STG_E_INVALIDPARAMETER; - } - else - hr = propertystorage_read_scalar(prop, buffer, offset, codepage, allocate, allocate_data); - - return hr; -} - -static HRESULT PropertyStorage_ReadHeaderFromStream(IStream *stm, - PROPERTYSETHEADER *hdr) -{ - BYTE buf[sizeof(PROPERTYSETHEADER)]; - ULONG count = 0; - HRESULT hr; - - assert(stm); - assert(hdr); - hr = IStream_Read(stm, buf, sizeof(buf), &count); - if (SUCCEEDED(hr)) - { - if (count != sizeof(buf)) - { - WARN("read only %ld\n", count); - hr = STG_E_INVALIDHEADER; - } - else - { - StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wByteOrder), - &hdr->wByteOrder); - StorageUtl_ReadWord(buf, offsetof(PROPERTYSETHEADER, wFormat), - &hdr->wFormat); - StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, dwOSVer), - &hdr->dwOSVer); - StorageUtl_ReadGUID(buf, offsetof(PROPERTYSETHEADER, clsid), - &hdr->clsid); - StorageUtl_ReadDWord(buf, offsetof(PROPERTYSETHEADER, reserved), - &hdr->reserved); - } - } - TRACE("returning %#lx\n", hr); - return hr; -} - -static HRESULT PropertyStorage_ReadFmtIdOffsetFromStream(IStream *stm, - FORMATIDOFFSET *fmt) -{ - BYTE buf[sizeof(FORMATIDOFFSET)]; - ULONG count = 0; - HRESULT hr; - - assert(stm); - assert(fmt); - hr = IStream_Read(stm, buf, sizeof(buf), &count); - if (SUCCEEDED(hr)) - { - if (count != sizeof(buf)) - { - WARN("read only %ld\n", count); - hr = STG_E_INVALIDHEADER; - } - else - { - StorageUtl_ReadGUID(buf, offsetof(FORMATIDOFFSET, fmtid), - &fmt->fmtid); - StorageUtl_ReadDWord(buf, offsetof(FORMATIDOFFSET, dwOffset), - &fmt->dwOffset); - } - } - TRACE("returning %#lx\n", hr); - return hr; -} - -static HRESULT PropertyStorage_ReadSectionHeaderFromStream(IStream *stm, - PROPERTYSECTIONHEADER *hdr) -{ - BYTE buf[sizeof(PROPERTYSECTIONHEADER)]; - ULONG count = 0; - HRESULT hr; - - assert(stm); - assert(hdr); - hr = IStream_Read(stm, buf, sizeof(buf), &count); - if (SUCCEEDED(hr)) - { - if (count != sizeof(buf)) - { - WARN("read only %ld\n", count); - hr = STG_E_INVALIDHEADER; - } - else - { - StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER, - cbSection), &hdr->cbSection); - StorageUtl_ReadDWord(buf, offsetof(PROPERTYSECTIONHEADER, - cProperties), &hdr->cProperties); - } - } - TRACE("returning %#lx\n", hr); - return hr; -} - -/* Reads the dictionary from the memory buffer beginning at ptr. Interprets - * the entries according to the values of This->codePage and This->locale. - */ -static HRESULT PropertyStorage_ReadDictionary(PropertyStorage_impl *This, const struct read_buffer *buffer, - size_t offset) -{ - DWORD numEntries, i; - HRESULT hr; - - assert(This->name_to_propid); - assert(This->propid_to_name); - - if (FAILED(hr = buffer_read_dword(buffer, offset, &numEntries))) - return hr; - - TRACE("Reading %ld entries:\n", numEntries); - - offset += sizeof(DWORD); - - for (i = 0; SUCCEEDED(hr) && i < numEntries; i++) - { - PROPID propid; - DWORD cbEntry; - WCHAR ch = 0; - - if (SUCCEEDED(hr = buffer_read_dword(buffer, offset, &propid))) - hr = buffer_read_dword(buffer, offset + sizeof(PROPID), &cbEntry); - if (FAILED(hr)) - break; - - offset += sizeof(PROPID) + sizeof(DWORD); - - if (FAILED(hr = buffer_test_offset(buffer, offset, This->codePage == CP_UNICODE ? - ALIGNED_LENGTH(cbEntry * sizeof(WCHAR), 3) : cbEntry))) - { - WARN("Broken name length for entry %ld.\n", i); - return hr; - } - - /* Make sure the source string is NULL-terminated */ - if (This->codePage != CP_UNICODE) - buffer_read_byte(buffer, offset + cbEntry - 1, (BYTE *)&ch); - else - buffer_read_word(buffer, offset + (cbEntry - 1) * sizeof(WCHAR), &ch); - - if (ch) - { - WARN("Dictionary entry name %ld is not null-terminated.\n", i); - return E_FAIL; - } - - TRACE("Reading entry with ID %#lx, %ld chars, name %s.\n", propid, cbEntry, This->codePage == CP_UNICODE ? - debugstr_wn((WCHAR *)buffer->data, cbEntry) : debugstr_an((char *)buffer->data, cbEntry)); - - hr = PropertyStorage_StoreNameWithId(This, (char *)buffer->data + offset, This->codePage, propid); - /* Unicode entries are padded to DWORD boundaries */ - if (This->codePage == CP_UNICODE) - cbEntry = ALIGNED_LENGTH(cbEntry * sizeof(WCHAR), 3); - - offset += cbEntry; - } - - return hr; -} - -static HRESULT PropertyStorage_ReadFromStream(PropertyStorage_impl *This) -{ - struct read_buffer read_buffer; - PROPERTYSETHEADER hdr; - FORMATIDOFFSET fmtOffset; - PROPERTYSECTIONHEADER sectionHdr; - LARGE_INTEGER seek; - ULONG i; - STATSTG stat; - HRESULT hr; - BYTE *buf = NULL; - ULONG count = 0; - DWORD dictOffset = 0; - - This->dirty = FALSE; - This->highestProp = 0; - hr = IStream_Stat(This->stm, &stat, STATFLAG_NONAME); - if (FAILED(hr)) - goto end; - if (stat.cbSize.HighPart) - { - WARN("stream too big\n"); - /* maximum size varies, but it can't be this big */ - hr = STG_E_INVALIDHEADER; - goto end; - } - if (stat.cbSize.LowPart == 0) - { - /* empty stream is okay */ - hr = S_OK; - goto end; - } - else if (stat.cbSize.LowPart < sizeof(PROPERTYSETHEADER) + - sizeof(FORMATIDOFFSET)) - { - WARN("stream too small\n"); - hr = STG_E_INVALIDHEADER; - goto end; - } - seek.QuadPart = 0; - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - hr = PropertyStorage_ReadHeaderFromStream(This->stm, &hdr); - /* I've only seen reserved == 1, but the article says I shouldn't disallow - * higher values. - */ - if (hdr.wByteOrder != PROPSETHDR_BYTEORDER_MAGIC || hdr.reserved < 1) - { - WARN("bad magic in prop set header\n"); - hr = STG_E_INVALIDHEADER; - goto end; - } - if (hdr.wFormat != 0 && hdr.wFormat != 1) - { - WARN("bad format version %d\n", hdr.wFormat); - hr = STG_E_INVALIDHEADER; - goto end; - } - This->format = hdr.wFormat; - This->clsid = hdr.clsid; - This->originatorOS = hdr.dwOSVer; - if (PROPSETHDR_OSVER_KIND(hdr.dwOSVer) == PROPSETHDR_OSVER_KIND_MAC) - WARN("File comes from a Mac, strings will probably be screwed up\n"); - hr = PropertyStorage_ReadFmtIdOffsetFromStream(This->stm, &fmtOffset); - if (FAILED(hr)) - goto end; - if (fmtOffset.dwOffset > stat.cbSize.LowPart) - { - WARN("invalid offset %ld (stream length is %ld)\n", fmtOffset.dwOffset, stat.cbSize.LowPart); - hr = STG_E_INVALIDHEADER; - goto end; - } - /* wackiness alert: if the format ID is FMTID_DocSummaryInformation, there - * follows not one, but two sections. The first contains the standard properties - * for the document summary information, and the second consists of user-defined - * properties. This is the only case in which multiple sections are - * allowed. - * Reading the second stream isn't implemented yet. - */ - hr = PropertyStorage_ReadSectionHeaderFromStream(This->stm, §ionHdr); - if (FAILED(hr)) - goto end; - /* The section size includes the section header, so check it */ - if (sectionHdr.cbSection < sizeof(PROPERTYSECTIONHEADER)) - { - WARN("section header too small, got %ld\n", sectionHdr.cbSection); - hr = STG_E_INVALIDHEADER; - goto end; - } - buf = HeapAlloc(GetProcessHeap(), 0, sectionHdr.cbSection - - sizeof(PROPERTYSECTIONHEADER)); - if (!buf) - { - hr = STG_E_INSUFFICIENTMEMORY; - goto end; - } - read_buffer.data = buf; - read_buffer.size = sectionHdr.cbSection - sizeof(sectionHdr); - - hr = IStream_Read(This->stm, read_buffer.data, read_buffer.size, &count); - if (FAILED(hr)) - goto end; - TRACE("Reading %ld properties:\n", sectionHdr.cProperties); - for (i = 0; SUCCEEDED(hr) && i < sectionHdr.cProperties; i++) - { - PROPERTYIDOFFSET *idOffset = (PROPERTYIDOFFSET *)(read_buffer.data + - i * sizeof(PROPERTYIDOFFSET)); - - if (idOffset->dwOffset < sizeof(PROPERTYSECTIONHEADER) || - idOffset->dwOffset > sectionHdr.cbSection - sizeof(DWORD)) - hr = STG_E_INVALIDPOINTER; - else - { - if (idOffset->propid >= PID_FIRST_USABLE && - idOffset->propid < PID_MIN_READONLY && idOffset->propid > - This->highestProp) - This->highestProp = idOffset->propid; - if (idOffset->propid == PID_DICTIONARY) - { - /* Don't read the dictionary yet, its entries depend on the - * code page. Just store the offset so we know to read it - * later. - */ - dictOffset = idOffset->dwOffset; - TRACE("Dictionary offset is %ld\n", dictOffset); - } - else - { - PROPVARIANT prop; - - PropVariantInit(&prop); - if (SUCCEEDED(PropertyStorage_ReadProperty(&prop, &read_buffer, - idOffset->dwOffset - sizeof(PROPERTYSECTIONHEADER), This->codePage, - Allocate_CoTaskMemAlloc, NULL))) - { - TRACE("Read property with ID %#lx, type %d\n", idOffset->propid, prop.vt); - switch(idOffset->propid) - { - case PID_CODEPAGE: - if (prop.vt == VT_I2) - This->codePage = (USHORT)prop.iVal; - break; - case PID_LOCALE: - if (prop.vt == VT_I4) - This->locale = (LCID)prop.lVal; - break; - case PID_BEHAVIOR: - if (prop.vt == VT_I4 && prop.lVal) - This->grfFlags |= PROPSETFLAG_CASE_SENSITIVE; - /* The format should already be 1, but just in case */ - This->format = 1; - break; - default: - hr = PropertyStorage_StorePropWithId(This, - idOffset->propid, &prop, This->codePage); - } - } - PropVariantClear(&prop); - } - } - } - if (!This->codePage) - { - /* default to Unicode unless told not to, as specified on msdn */ - if (This->grfFlags & PROPSETFLAG_ANSI) - This->codePage = GetACP(); - else - This->codePage = CP_UNICODE; - } - if (!This->locale) - This->locale = LOCALE_SYSTEM_DEFAULT; - TRACE("Code page is %d, locale is %ld\n", This->codePage, This->locale); - if (dictOffset) - hr = PropertyStorage_ReadDictionary(This, &read_buffer, dictOffset - sizeof(PROPERTYSECTIONHEADER)); - -end: - HeapFree(GetProcessHeap(), 0, buf); - if (FAILED(hr)) - { - dictionary_destroy(This->name_to_propid); - This->name_to_propid = NULL; - dictionary_destroy(This->propid_to_name); - This->propid_to_name = NULL; - dictionary_destroy(This->propid_to_prop); - This->propid_to_prop = NULL; - } - return hr; -} - -static void PropertyStorage_MakeHeader(PropertyStorage_impl *This, - PROPERTYSETHEADER *hdr) -{ - assert(hdr); - StorageUtl_WriteWord(&hdr->wByteOrder, 0, PROPSETHDR_BYTEORDER_MAGIC); - StorageUtl_WriteWord(&hdr->wFormat, 0, This->format); - StorageUtl_WriteDWord(&hdr->dwOSVer, 0, This->originatorOS); - StorageUtl_WriteGUID(&hdr->clsid, 0, &This->clsid); - StorageUtl_WriteDWord(&hdr->reserved, 0, 1); -} - -static void PropertyStorage_MakeFmtIdOffset(PropertyStorage_impl *This, - FORMATIDOFFSET *fmtOffset) -{ - assert(fmtOffset); - StorageUtl_WriteGUID(fmtOffset, 0, &This->fmtid); - StorageUtl_WriteDWord(fmtOffset, offsetof(FORMATIDOFFSET, dwOffset), - sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET)); -} - -static void PropertyStorage_MakeSectionHdr(DWORD cbSection, DWORD numProps, - PROPERTYSECTIONHEADER *hdr) -{ - assert(hdr); - StorageUtl_WriteDWord(hdr, 0, cbSection); - StorageUtl_WriteDWord(hdr, offsetof(PROPERTYSECTIONHEADER, cProperties), numProps); -} - -static void PropertyStorage_MakePropertyIdOffset(DWORD propid, DWORD dwOffset, - PROPERTYIDOFFSET *propIdOffset) -{ - assert(propIdOffset); - StorageUtl_WriteDWord(propIdOffset, 0, propid); - StorageUtl_WriteDWord(propIdOffset, offsetof(PROPERTYIDOFFSET, dwOffset), dwOffset); -} - -static inline HRESULT PropertyStorage_WriteWStringToStream(IStream *stm, - LPCWSTR str, DWORD len, DWORD *written) -{ -#ifdef WORDS_BIGENDIAN - WCHAR *leStr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); - HRESULT hr; - - if (!leStr) - return E_OUTOFMEMORY; - memcpy(leStr, str, len * sizeof(WCHAR)); - PropertyStorage_ByteSwapString(leStr, len); - hr = IStream_Write(stm, leStr, len, written); - HeapFree(GetProcessHeap(), 0, leStr); - return hr; -#else - return IStream_Write(stm, str, len * sizeof(WCHAR), written); -#endif -} - -struct DictionaryClosure -{ - HRESULT hr; - DWORD bytesWritten; -}; - -static BOOL PropertyStorage_DictionaryWriter(const void *key, - const void *value, void *extra, void *closure) -{ - PropertyStorage_impl *This = extra; - struct DictionaryClosure *c = closure; - DWORD propid, keyLen; - ULONG count; - - assert(key); - assert(closure); - StorageUtl_WriteDWord(&propid, 0, PtrToUlong(value)); - c->hr = IStream_Write(This->stm, &propid, sizeof(propid), &count); - if (FAILED(c->hr)) - goto end; - c->bytesWritten += sizeof(DWORD); - if (This->codePage == CP_UNICODE) - { - DWORD pad = 0, pad_len; - - StorageUtl_WriteDWord(&keyLen, 0, lstrlenW((LPCWSTR)key) + 1); - c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count); - if (FAILED(c->hr)) - goto end; - c->bytesWritten += sizeof(DWORD); - c->hr = PropertyStorage_WriteWStringToStream(This->stm, key, keyLen, - &count); - if (FAILED(c->hr)) - goto end; - keyLen *= sizeof(WCHAR); - c->bytesWritten += keyLen; - - /* Align to 4 bytes. */ - pad_len = sizeof(DWORD) - keyLen % sizeof(DWORD); - if (pad_len) - { - c->hr = IStream_Write(This->stm, &pad, pad_len, &count); - if (FAILED(c->hr)) - goto end; - c->bytesWritten += pad_len; - } - } - else - { - StorageUtl_WriteDWord(&keyLen, 0, strlen((LPCSTR)key) + 1); - c->hr = IStream_Write(This->stm, &keyLen, sizeof(keyLen), &count); - if (FAILED(c->hr)) - goto end; - c->bytesWritten += sizeof(DWORD); - c->hr = IStream_Write(This->stm, key, keyLen, &count); - if (FAILED(c->hr)) - goto end; - c->bytesWritten += keyLen; - } -end: - return SUCCEEDED(c->hr); -} - -#define SECTIONHEADER_OFFSET sizeof(PROPERTYSETHEADER) + sizeof(FORMATIDOFFSET) - -/* Writes the dictionary to the stream. Assumes without checking that the - * dictionary isn't empty. - */ -static HRESULT PropertyStorage_WriteDictionaryToStream( - PropertyStorage_impl *This, DWORD *sectionOffset) -{ - HRESULT hr; - LARGE_INTEGER seek; - PROPERTYIDOFFSET propIdOffset; - ULONG count; - DWORD dwTemp; - struct DictionaryClosure closure; - - assert(sectionOffset); - - /* The dictionary's always the first property written, so seek to its - * spot. - */ - seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER); - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - PropertyStorage_MakePropertyIdOffset(PID_DICTIONARY, *sectionOffset, - &propIdOffset); - hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count); - if (FAILED(hr)) - goto end; - - seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset; - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - StorageUtl_WriteDWord(&dwTemp, 0, dictionary_num_entries(This->name_to_propid)); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (FAILED(hr)) - goto end; - *sectionOffset += sizeof(dwTemp); - - closure.hr = S_OK; - closure.bytesWritten = 0; - dictionary_enumerate(This->name_to_propid, PropertyStorage_DictionaryWriter, - &closure); - hr = closure.hr; - if (FAILED(hr)) - goto end; - *sectionOffset += closure.bytesWritten; - if (closure.bytesWritten % sizeof(DWORD)) - { - DWORD padding = sizeof(DWORD) - closure.bytesWritten % sizeof(DWORD); - TRACE("adding %ld bytes of padding\n", padding); - *sectionOffset += padding; - } - -end: - return hr; -} - -static HRESULT PropertyStorage_WritePropertyToStream(PropertyStorage_impl *This, - DWORD propNum, DWORD propid, const PROPVARIANT *var, DWORD *sectionOffset) -{ - DWORD len, dwType, dwTemp, bytesWritten; - HRESULT hr; - LARGE_INTEGER seek; - PROPERTYIDOFFSET propIdOffset; - ULARGE_INTEGER ularge; - ULONG count; - - assert(var); - assert(sectionOffset); - - TRACE("%p, %ld, %#lx, %d, %ld.\n", This, propNum, propid, var->vt, - *sectionOffset); - - seek.QuadPart = SECTIONHEADER_OFFSET + sizeof(PROPERTYSECTIONHEADER) + - propNum * sizeof(PROPERTYIDOFFSET); - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - PropertyStorage_MakePropertyIdOffset(propid, *sectionOffset, &propIdOffset); - hr = IStream_Write(This->stm, &propIdOffset, sizeof(propIdOffset), &count); - if (FAILED(hr)) - goto end; - - seek.QuadPart = SECTIONHEADER_OFFSET + *sectionOffset; - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - StorageUtl_WriteDWord(&dwType, 0, var->vt); - hr = IStream_Write(This->stm, &dwType, sizeof(dwType), &count); - if (FAILED(hr)) - goto end; - *sectionOffset += sizeof(dwType); - - switch (var->vt) - { - case VT_EMPTY: - case VT_NULL: - bytesWritten = 0; - break; - case VT_I1: - case VT_UI1: - hr = IStream_Write(This->stm, &var->cVal, sizeof(var->cVal), - &count); - bytesWritten = count; - break; - case VT_I2: - case VT_UI2: - { - WORD wTemp; - - StorageUtl_WriteWord(&wTemp, 0, var->iVal); - hr = IStream_Write(This->stm, &wTemp, sizeof(wTemp), &count); - bytesWritten = count; - break; - } - case VT_I4: - case VT_UI4: - { - StorageUtl_WriteDWord(&dwTemp, 0, var->lVal); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - bytesWritten = count; - break; - } - case VT_I8: - case VT_UI8: - { - StorageUtl_WriteULargeInteger(&ularge, 0, &var->uhVal); - hr = IStream_Write(This->stm, &ularge, sizeof(ularge), &bytesWritten); - break; - } - case VT_LPSTR: - { - if (This->codePage == CP_UNICODE) - len = (lstrlenW(var->pwszVal) + 1) * sizeof(WCHAR); - else - len = lstrlenA(var->pszVal) + 1; - StorageUtl_WriteDWord(&dwTemp, 0, len); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (FAILED(hr)) - goto end; - hr = IStream_Write(This->stm, var->pszVal, len, &count); - bytesWritten = count + sizeof(DWORD); - break; - } - case VT_BSTR: - { - if (This->codePage == CP_UNICODE) - { - len = SysStringByteLen(var->bstrVal) + sizeof(WCHAR); - StorageUtl_WriteDWord(&dwTemp, 0, len); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (SUCCEEDED(hr)) - hr = IStream_Write(This->stm, var->bstrVal, len, &count); - } - else - { - char *str; - - len = WideCharToMultiByte(This->codePage, 0, var->bstrVal, SysStringLen(var->bstrVal) + 1, - NULL, 0, NULL, NULL); - - str = heap_alloc(len); - if (!str) - { - hr = E_OUTOFMEMORY; - goto end; - } - - WideCharToMultiByte(This->codePage, 0, var->bstrVal, SysStringLen(var->bstrVal), - str, len, NULL, NULL); - StorageUtl_WriteDWord(&dwTemp, 0, len); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (SUCCEEDED(hr)) - hr = IStream_Write(This->stm, str, len, &count); - heap_free(str); - } - - bytesWritten = count + sizeof(DWORD); - break; - } - case VT_LPWSTR: - { - len = lstrlenW(var->pwszVal) + 1; - - StorageUtl_WriteDWord(&dwTemp, 0, len); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (FAILED(hr)) - goto end; - hr = IStream_Write(This->stm, var->pwszVal, len * sizeof(WCHAR), - &count); - bytesWritten = count + sizeof(DWORD); - break; - } - case VT_FILETIME: - { - FILETIME temp; - - StorageUtl_WriteULargeInteger(&temp, 0, (const ULARGE_INTEGER *)&var->filetime); - hr = IStream_Write(This->stm, &temp, sizeof(temp), &count); - bytesWritten = count; - break; - } - case VT_CF: - { - DWORD cf_hdr[2]; - - len = var->pclipdata->cbSize; - StorageUtl_WriteDWord(&cf_hdr[0], 0, len + 8); - StorageUtl_WriteDWord(&cf_hdr[1], 0, var->pclipdata->ulClipFmt); - hr = IStream_Write(This->stm, cf_hdr, sizeof(cf_hdr), &count); - if (FAILED(hr)) - goto end; - hr = IStream_Write(This->stm, var->pclipdata->pClipData, - len - sizeof(var->pclipdata->ulClipFmt), &count); - if (FAILED(hr)) - goto end; - bytesWritten = count + sizeof cf_hdr; - break; - } - case VT_CLSID: - { - CLSID temp; - - StorageUtl_WriteGUID(&temp, 0, var->puuid); - hr = IStream_Write(This->stm, &temp, sizeof(temp), &count); - bytesWritten = count; - break; - } - case VT_BLOB: - { - StorageUtl_WriteDWord(&dwTemp, 0, var->blob.cbSize); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - if (FAILED(hr)) - goto end; - hr = IStream_Write(This->stm, var->blob.pBlobData, var->blob.cbSize, &count); - bytesWritten = count + sizeof(DWORD); - break; - } - default: - FIXME("unsupported type: %d\n", var->vt); - return STG_E_INVALIDPARAMETER; - } - - if (SUCCEEDED(hr)) - { - *sectionOffset += bytesWritten; - if (bytesWritten % sizeof(DWORD)) - { - DWORD padding = sizeof(DWORD) - bytesWritten % sizeof(DWORD); - TRACE("adding %ld bytes of padding\n", padding); - *sectionOffset += padding; - } - } - -end: - return hr; -} - -struct PropertyClosure -{ - HRESULT hr; - DWORD propNum; - DWORD *sectionOffset; -}; - -static BOOL PropertyStorage_PropertiesWriter(const void *key, const void *value, - void *extra, void *closure) -{ - PropertyStorage_impl *This = extra; - struct PropertyClosure *c = closure; - - assert(key); - assert(value); - assert(extra); - assert(closure); - c->hr = PropertyStorage_WritePropertyToStream(This, c->propNum++, - PtrToUlong(key), value, c->sectionOffset); - return SUCCEEDED(c->hr); -} - -static HRESULT PropertyStorage_WritePropertiesToStream( - PropertyStorage_impl *This, DWORD startingPropNum, DWORD *sectionOffset) -{ - struct PropertyClosure closure; - - assert(sectionOffset); - closure.hr = S_OK; - closure.propNum = startingPropNum; - closure.sectionOffset = sectionOffset; - dictionary_enumerate(This->propid_to_prop, PropertyStorage_PropertiesWriter, - &closure); - return closure.hr; -} - -static HRESULT PropertyStorage_WriteHeadersToStream(PropertyStorage_impl *This) -{ - HRESULT hr; - ULONG count = 0; - LARGE_INTEGER seek = { {0} }; - PROPERTYSETHEADER hdr; - FORMATIDOFFSET fmtOffset; - - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - PropertyStorage_MakeHeader(This, &hdr); - hr = IStream_Write(This->stm, &hdr, sizeof(hdr), &count); - if (FAILED(hr)) - goto end; - if (count != sizeof(hdr)) - { - hr = STG_E_WRITEFAULT; - goto end; - } - - PropertyStorage_MakeFmtIdOffset(This, &fmtOffset); - hr = IStream_Write(This->stm, &fmtOffset, sizeof(fmtOffset), &count); - if (FAILED(hr)) - goto end; - if (count != sizeof(fmtOffset)) - { - hr = STG_E_WRITEFAULT; - goto end; - } - hr = S_OK; - -end: - return hr; -} - -static HRESULT PropertyStorage_WriteToStream(PropertyStorage_impl *This) -{ - PROPERTYSECTIONHEADER sectionHdr; - HRESULT hr; - ULONG count; - LARGE_INTEGER seek; - DWORD numProps, prop, sectionOffset, dwTemp; - PROPVARIANT var; - - PropertyStorage_WriteHeadersToStream(This); - - /* Count properties. Always at least one property, the code page */ - numProps = 1; - if (dictionary_num_entries(This->name_to_propid)) - numProps++; - if (This->locale != LOCALE_SYSTEM_DEFAULT) - numProps++; - if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) - numProps++; - numProps += dictionary_num_entries(This->propid_to_prop); - - /* Write section header with 0 bytes right now, I'll adjust it after - * writing properties. - */ - PropertyStorage_MakeSectionHdr(0, numProps, §ionHdr); - seek.QuadPart = SECTIONHEADER_OFFSET; - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - hr = IStream_Write(This->stm, §ionHdr, sizeof(sectionHdr), &count); - if (FAILED(hr)) - goto end; - - prop = 0; - sectionOffset = sizeof(PROPERTYSECTIONHEADER) + - numProps * sizeof(PROPERTYIDOFFSET); - - if (dictionary_num_entries(This->name_to_propid)) - { - prop++; - hr = PropertyStorage_WriteDictionaryToStream(This, §ionOffset); - if (FAILED(hr)) - goto end; - } - - PropVariantInit(&var); - - var.vt = VT_I2; - var.iVal = This->codePage; - hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_CODEPAGE, - &var, §ionOffset); - if (FAILED(hr)) - goto end; - - if (This->locale != LOCALE_SYSTEM_DEFAULT) - { - var.vt = VT_I4; - var.lVal = This->locale; - hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_LOCALE, - &var, §ionOffset); - if (FAILED(hr)) - goto end; - } - - if (This->grfFlags & PROPSETFLAG_CASE_SENSITIVE) - { - var.vt = VT_I4; - var.lVal = 1; - hr = PropertyStorage_WritePropertyToStream(This, prop++, PID_BEHAVIOR, - &var, §ionOffset); - if (FAILED(hr)) - goto end; - } - - hr = PropertyStorage_WritePropertiesToStream(This, prop, §ionOffset); - if (FAILED(hr)) - goto end; - - /* Now write the byte count of the section */ - seek.QuadPart = SECTIONHEADER_OFFSET; - hr = IStream_Seek(This->stm, seek, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - goto end; - StorageUtl_WriteDWord(&dwTemp, 0, sectionOffset); - hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count); - -end: - return hr; -} - -/*********************************************************************** - * PropertyStorage_Construct - */ -static void PropertyStorage_DestroyDictionaries(PropertyStorage_impl *This) -{ - dictionary_destroy(This->name_to_propid); - This->name_to_propid = NULL; - dictionary_destroy(This->propid_to_name); - This->propid_to_name = NULL; - dictionary_destroy(This->propid_to_prop); - This->propid_to_prop = NULL; -} - -static HRESULT PropertyStorage_CreateDictionaries(PropertyStorage_impl *This) -{ - HRESULT hr = S_OK; - - This->name_to_propid = dictionary_create( - PropertyStorage_PropNameCompare, PropertyStorage_PropNameDestroy, - This); - if (!This->name_to_propid) - { - hr = STG_E_INSUFFICIENTMEMORY; - goto end; - } - This->propid_to_name = dictionary_create(PropertyStorage_PropCompare, - NULL, This); - if (!This->propid_to_name) - { - hr = STG_E_INSUFFICIENTMEMORY; - goto end; - } - This->propid_to_prop = dictionary_create(PropertyStorage_PropCompare, - PropertyStorage_PropertyDestroy, This); - if (!This->propid_to_prop) - { - hr = STG_E_INSUFFICIENTMEMORY; - goto end; - } -end: - if (FAILED(hr)) - PropertyStorage_DestroyDictionaries(This); - return hr; -} - -static HRESULT PropertyStorage_BaseConstruct(IStream *stm, - REFFMTID rfmtid, DWORD grfMode, PropertyStorage_impl **pps) -{ - HRESULT hr = S_OK; - - assert(pps); - assert(rfmtid); - *pps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof **pps); - if (!*pps) - return E_OUTOFMEMORY; - - (*pps)->IPropertyStorage_iface.lpVtbl = &IPropertyStorage_Vtbl; - (*pps)->ref = 1; - InitializeCriticalSection(&(*pps)->cs); - (*pps)->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PropertyStorage_impl.cs"); - (*pps)->stm = stm; - (*pps)->fmtid = *rfmtid; - (*pps)->grfMode = grfMode; - - hr = PropertyStorage_CreateDictionaries(*pps); - if (FAILED(hr)) - { - (*pps)->cs.DebugInfo->Spare[0] = 0; - DeleteCriticalSection(&(*pps)->cs); - HeapFree(GetProcessHeap(), 0, *pps); - *pps = NULL; - } - else IStream_AddRef( stm ); - - return hr; -} - -static HRESULT PropertyStorage_ConstructFromStream(IStream *stm, - REFFMTID rfmtid, DWORD grfMode, IPropertyStorage** pps) -{ - PropertyStorage_impl *ps; - HRESULT hr; - - assert(pps); - hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps); - if (SUCCEEDED(hr)) - { - hr = PropertyStorage_ReadFromStream(ps); - if (SUCCEEDED(hr)) - { - *pps = &ps->IPropertyStorage_iface; - TRACE("PropertyStorage %p constructed\n", ps); - hr = S_OK; - } - else IPropertyStorage_Release( &ps->IPropertyStorage_iface ); - } - return hr; -} - -static HRESULT PropertyStorage_ConstructEmpty(IStream *stm, - REFFMTID rfmtid, DWORD grfFlags, DWORD grfMode, IPropertyStorage** pps) -{ - PropertyStorage_impl *ps; - HRESULT hr; - - assert(pps); - hr = PropertyStorage_BaseConstruct(stm, rfmtid, grfMode, &ps); - if (SUCCEEDED(hr)) - { - ps->format = 0; - ps->grfFlags = grfFlags; - if (ps->grfFlags & PROPSETFLAG_CASE_SENSITIVE) - ps->format = 1; - /* default to Unicode unless told not to, as specified on msdn */ - if (ps->grfFlags & PROPSETFLAG_ANSI) - ps->codePage = GetACP(); - else - ps->codePage = CP_UNICODE; - ps->locale = LOCALE_SYSTEM_DEFAULT; - TRACE("Code page is %d, locale is %ld\n", ps->codePage, ps->locale); - *pps = &ps->IPropertyStorage_iface; - TRACE("PropertyStorage %p constructed\n", ps); - hr = S_OK; - } - return hr; -} - - -/*********************************************************************** - * Implementation of IPropertySetStorage - */ - -struct enum_stat_propset_stg -{ - IEnumSTATPROPSETSTG IEnumSTATPROPSETSTG_iface; - LONG refcount; - STATPROPSETSTG *stats; - size_t current; - size_t count; -}; - -static struct enum_stat_propset_stg *impl_from_IEnumSTATPROPSETSTG(IEnumSTATPROPSETSTG *iface) -{ - return CONTAINING_RECORD(iface, struct enum_stat_propset_stg, IEnumSTATPROPSETSTG_iface); -} - -static HRESULT WINAPI enum_stat_propset_stg_QueryInterface(IEnumSTATPROPSETSTG *iface, REFIID riid, void **obj) -{ - TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj); - - if (IsEqualIID(riid, &IID_IEnumSTATPROPSETSTG) || - IsEqualIID(riid, &IID_IUnknown)) - { - *obj = iface; - IEnumSTATPROPSETSTG_AddRef(iface); - return S_OK; - } - - WARN("Unsupported interface %s.\n", debugstr_guid(riid)); - return E_NOINTERFACE; -} - -static ULONG WINAPI enum_stat_propset_stg_AddRef(IEnumSTATPROPSETSTG *iface) -{ - struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); - LONG refcount = InterlockedIncrement(&psenum->refcount); - - TRACE("%p, refcount %lu.\n", iface, refcount); - - return refcount; -} - -static ULONG WINAPI enum_stat_propset_stg_Release(IEnumSTATPROPSETSTG *iface) -{ - struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); - LONG refcount = InterlockedDecrement(&psenum->refcount); - - TRACE("%p, refcount %lu.\n", iface, refcount); - - if (!refcount) - { - heap_free(psenum->stats); - heap_free(psenum); - } - - return refcount; -} - -static HRESULT WINAPI enum_stat_propset_stg_Next(IEnumSTATPROPSETSTG *iface, ULONG celt, - STATPROPSETSTG *ret, ULONG *fetched) -{ - struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); - ULONG count = 0; - - TRACE("%p, %lu, %p, %p.\n", iface, celt, ret, fetched); - - if (psenum->current == ~0u) - psenum->current = 0; - - while (count < celt && psenum->current < psenum->count) - ret[count++] = psenum->stats[psenum->current++]; - - if (fetched) - *fetched = count; - - return count < celt ? S_FALSE : S_OK; -} - -static HRESULT WINAPI enum_stat_propset_stg_Skip(IEnumSTATPROPSETSTG *iface, ULONG celt) -{ - FIXME("%p, %lu.\n", iface, celt); - - return S_OK; -} - -static HRESULT WINAPI enum_stat_propset_stg_Reset(IEnumSTATPROPSETSTG *iface) -{ - struct enum_stat_propset_stg *psenum = impl_from_IEnumSTATPROPSETSTG(iface); - - TRACE("%p.\n", iface); - - psenum->current = ~0u; - - return S_OK; -} - -static HRESULT WINAPI enum_stat_propset_stg_Clone(IEnumSTATPROPSETSTG *iface, IEnumSTATPROPSETSTG **ppenum) -{ - FIXME("%p, %p.\n", iface, ppenum); - - return E_NOTIMPL; -} - -static const IEnumSTATPROPSETSTGVtbl enum_stat_propset_stg_vtbl = -{ - enum_stat_propset_stg_QueryInterface, - enum_stat_propset_stg_AddRef, - enum_stat_propset_stg_Release, - enum_stat_propset_stg_Next, - enum_stat_propset_stg_Skip, - enum_stat_propset_stg_Reset, - enum_stat_propset_stg_Clone, -}; - -static HRESULT create_enum_stat_propset_stg(StorageImpl *storage, IEnumSTATPROPSETSTG **ret) -{ - IStorage *stg = &storage->base.IStorage_iface; - IEnumSTATSTG *penum = NULL; - STATSTG stat; - ULONG count; - HRESULT hr; - - struct enum_stat_propset_stg *enum_obj; - - enum_obj = heap_alloc_zero(sizeof(*enum_obj)); - if (!enum_obj) - return E_OUTOFMEMORY; - - enum_obj->IEnumSTATPROPSETSTG_iface.lpVtbl = &enum_stat_propset_stg_vtbl; - enum_obj->refcount = 1; - - /* add all the property set elements into a list */ - hr = IStorage_EnumElements(stg, 0, NULL, 0, &penum); - if (FAILED(hr)) - goto done; - - /* Allocate stats array and fill it. */ - while ((hr = IEnumSTATSTG_Next(penum, 1, &stat, &count)) == S_OK) - { - enum_obj->count++; - CoTaskMemFree(stat.pwcsName); - } - - if (FAILED(hr)) - goto done; - - enum_obj->stats = heap_alloc(enum_obj->count * sizeof(*enum_obj->stats)); - if (!enum_obj->stats) - { - hr = E_OUTOFMEMORY; - goto done; - } - enum_obj->count = 0; - - if (FAILED(hr = IEnumSTATSTG_Reset(penum))) - goto done; - - while (IEnumSTATSTG_Next(penum, 1, &stat, &count) == S_OK) - { - if (!stat.pwcsName) - continue; - - if (stat.pwcsName[0] == 5 && stat.type == STGTY_STREAM) - { - STATPROPSETSTG *ptr = &enum_obj->stats[enum_obj->count++]; - - PropStgNameToFmtId(stat.pwcsName, &ptr->fmtid); - - TRACE("adding %s - %s.\n", debugstr_w(stat.pwcsName), debugstr_guid(&ptr->fmtid)); - - ptr->mtime = stat.mtime; - ptr->atime = stat.atime; - ptr->ctime = stat.ctime; - ptr->grfFlags = stat.grfMode; - ptr->clsid = stat.clsid; - } - CoTaskMemFree(stat.pwcsName); - } - -done: - - if (penum) - IEnumSTATSTG_Release(penum); - - if (SUCCEEDED(hr)) - { - *ret = &enum_obj->IEnumSTATPROPSETSTG_iface; - } - else - { - *ret = NULL; - IEnumSTATPROPSETSTG_Release(&enum_obj->IEnumSTATPROPSETSTG_iface); - } - - return hr; -} - -/************************************************************************ - * IPropertySetStorage_fnQueryInterface (IUnknown) - * - * This method forwards to the common QueryInterface implementation - */ -static HRESULT WINAPI IPropertySetStorage_fnQueryInterface( - IPropertySetStorage *ppstg, - REFIID riid, - void** ppvObject) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - return IStorage_QueryInterface( &This->base.IStorage_iface, riid, ppvObject ); -} - -/************************************************************************ - * IPropertySetStorage_fnAddRef (IUnknown) - * - * This method forwards to the common AddRef implementation - */ -static ULONG WINAPI IPropertySetStorage_fnAddRef( - IPropertySetStorage *ppstg) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - return IStorage_AddRef( &This->base.IStorage_iface ); -} - -/************************************************************************ - * IPropertySetStorage_fnRelease (IUnknown) - * - * This method forwards to the common Release implementation - */ -static ULONG WINAPI IPropertySetStorage_fnRelease( - IPropertySetStorage *ppstg) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - return IStorage_Release( &This->base.IStorage_iface ); -} - -/************************************************************************ - * IPropertySetStorage_fnCreate (IPropertySetStorage) - */ -static HRESULT WINAPI IPropertySetStorage_fnCreate( - IPropertySetStorage *ppstg, - REFFMTID rfmtid, - const CLSID* pclsid, - DWORD grfFlags, - DWORD grfMode, - IPropertyStorage** ppprstg) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; - IStream *stm = NULL; - HRESULT r; - - TRACE("%p, %s %#lx, %#lx, %p.\n", This, debugstr_guid(rfmtid), grfFlags, - grfMode, ppprstg); - - /* be picky */ - if (grfMode != (STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE)) - { - r = STG_E_INVALIDFLAG; - goto end; - } - - if (!rfmtid) - { - r = E_INVALIDARG; - goto end; - } - - /* FIXME: if (grfFlags & PROPSETFLAG_NONSIMPLE), we need to create a - * storage, not a stream. For now, disallow it. - */ - if (grfFlags & PROPSETFLAG_NONSIMPLE) - { - FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); - r = STG_E_INVALIDFLAG; - goto end; - } - - r = FmtIdToPropStgName(rfmtid, name); - if (FAILED(r)) - goto end; - - r = IStorage_CreateStream( &This->base.IStorage_iface, name, grfMode, 0, 0, &stm ); - if (FAILED(r)) - goto end; - - r = PropertyStorage_ConstructEmpty(stm, rfmtid, grfFlags, grfMode, ppprstg); - - IStream_Release( stm ); - -end: - TRACE("returning %#lx\n", r); - return r; -} - -/************************************************************************ - * IPropertySetStorage_fnOpen (IPropertySetStorage) - */ -static HRESULT WINAPI IPropertySetStorage_fnOpen( - IPropertySetStorage *ppstg, - REFFMTID rfmtid, - DWORD grfMode, - IPropertyStorage** ppprstg) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - IStream *stm = NULL; - WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; - HRESULT r; - - TRACE("%p, %s, %#lx, %p.\n", This, debugstr_guid(rfmtid), grfMode, ppprstg); - - /* be picky */ - if (grfMode != (STGM_READWRITE|STGM_SHARE_EXCLUSIVE) && - grfMode != (STGM_READ|STGM_SHARE_EXCLUSIVE)) - { - r = STG_E_INVALIDFLAG; - goto end; - } - - if (!rfmtid) - { - r = E_INVALIDARG; - goto end; - } - - r = FmtIdToPropStgName(rfmtid, name); - if (FAILED(r)) - goto end; - - r = IStorage_OpenStream( &This->base.IStorage_iface, name, 0, grfMode, 0, &stm ); - if (FAILED(r)) - goto end; - - r = PropertyStorage_ConstructFromStream(stm, rfmtid, grfMode, ppprstg); - - IStream_Release( stm ); - -end: - TRACE("returning %#lx\n", r); - return r; -} - -/************************************************************************ - * IPropertySetStorage_fnDelete (IPropertySetStorage) - */ -static HRESULT WINAPI IPropertySetStorage_fnDelete( - IPropertySetStorage *ppstg, - REFFMTID rfmtid) -{ - StorageImpl *This = impl_from_IPropertySetStorage(ppstg); - WCHAR name[CCH_MAX_PROPSTG_NAME + 1]; - HRESULT r; - - TRACE("%p %s\n", This, debugstr_guid(rfmtid)); - - if (!rfmtid) - return E_INVALIDARG; - - r = FmtIdToPropStgName(rfmtid, name); - if (FAILED(r)) - return r; - - return IStorage_DestroyElement(&This->base.IStorage_iface, name); -} - -static HRESULT WINAPI IPropertySetStorage_fnEnum(IPropertySetStorage *iface, IEnumSTATPROPSETSTG **enum_obj) -{ - StorageImpl *storage = impl_from_IPropertySetStorage(iface); - - TRACE("%p, %p.\n", iface, enum_obj); - - if (!enum_obj) - return E_INVALIDARG; - - return create_enum_stat_propset_stg(storage, enum_obj); -} - -/*********************************************************************** - * vtables - */ -const IPropertySetStorageVtbl IPropertySetStorage_Vtbl = -{ - IPropertySetStorage_fnQueryInterface, - IPropertySetStorage_fnAddRef, - IPropertySetStorage_fnRelease, - IPropertySetStorage_fnCreate, - IPropertySetStorage_fnOpen, - IPropertySetStorage_fnDelete, - IPropertySetStorage_fnEnum -}; - -static const IPropertyStorageVtbl IPropertyStorage_Vtbl = -{ - IPropertyStorage_fnQueryInterface, - IPropertyStorage_fnAddRef, - IPropertyStorage_fnRelease, - IPropertyStorage_fnReadMultiple, - IPropertyStorage_fnWriteMultiple, - IPropertyStorage_fnDeleteMultiple, - IPropertyStorage_fnReadPropertyNames, - IPropertyStorage_fnWritePropertyNames, - IPropertyStorage_fnDeletePropertyNames, - IPropertyStorage_fnCommit, - IPropertyStorage_fnRevert, - IPropertyStorage_fnEnum, - IPropertyStorage_fnSetTimes, - IPropertyStorage_fnSetClass, - IPropertyStorage_fnStat, -}; - -/*********************************************************************** - * Format ID <-> name conversion - */ -static const WCHAR szSummaryInfo[] = L"\5SummaryInformation"; -static const WCHAR szDocSummaryInfo[] = L"\5DocumentSummaryInformation"; - -#define BITS_PER_BYTE 8 -#define CHARMASK 0x1f -#define BITS_IN_CHARMASK 5 -#define NUM_ALPHA_CHARS 26 - -/*********************************************************************** - * FmtIdToPropStgName [ole32.@] - * Returns the storage name of the format ID rfmtid. - * PARAMS - * rfmtid [I] Format ID for which to return a storage name - * str [O] Storage name associated with rfmtid. - * - * RETURNS - * E_INVALIDARG if rfmtid or str i NULL, S_OK otherwise. - * - * NOTES - * str must be at least CCH_MAX_PROPSTG_NAME characters in length. - */ -HRESULT WINAPI FmtIdToPropStgName(const FMTID *rfmtid, LPOLESTR str) -{ - static const char fmtMap[] = "abcdefghijklmnopqrstuvwxyz012345"; - - TRACE("%s, %p\n", debugstr_guid(rfmtid), str); - - if (!rfmtid) return E_INVALIDARG; - if (!str) return E_INVALIDARG; - - if (IsEqualGUID(&FMTID_SummaryInformation, rfmtid)) - lstrcpyW(str, szSummaryInfo); - else if (IsEqualGUID(&FMTID_DocSummaryInformation, rfmtid)) - lstrcpyW(str, szDocSummaryInfo); - else if (IsEqualGUID(&FMTID_UserDefinedProperties, rfmtid)) - lstrcpyW(str, szDocSummaryInfo); - else - { - const BYTE *fmtptr; - WCHAR *pstr = str; - ULONG bitsRemaining = BITS_PER_BYTE; - - *pstr++ = 5; - for (fmtptr = (const BYTE *)rfmtid; fmtptr < (const BYTE *)rfmtid + sizeof(FMTID); ) - { - ULONG i = *fmtptr >> (BITS_PER_BYTE - bitsRemaining); - - if (bitsRemaining >= BITS_IN_CHARMASK) - { - *pstr = (WCHAR)(fmtMap[i & CHARMASK]); - if (bitsRemaining == BITS_PER_BYTE && *pstr >= 'a' && - *pstr <= 'z') - *pstr += 'A' - 'a'; - pstr++; - bitsRemaining -= BITS_IN_CHARMASK; - if (bitsRemaining == 0) - { - fmtptr++; - bitsRemaining = BITS_PER_BYTE; - } - } - else - { - if (++fmtptr < (const BYTE *)rfmtid + sizeof(FMTID)) - i |= *fmtptr << bitsRemaining; - *pstr++ = (WCHAR)(fmtMap[i & CHARMASK]); - bitsRemaining += BITS_PER_BYTE - BITS_IN_CHARMASK; - } - } - *pstr = 0; - } - TRACE("returning %s\n", debugstr_w(str)); - return S_OK; -} - -/*********************************************************************** - * PropStgNameToFmtId [ole32.@] - * Returns the format ID corresponding to the given name. - * PARAMS - * str [I] Storage name to convert to a format ID. - * rfmtid [O] Format ID corresponding to str. - * - * RETURNS - * E_INVALIDARG if rfmtid or str is NULL or if str can't be converted to - * a format ID, S_OK otherwise. - */ -HRESULT WINAPI PropStgNameToFmtId(const LPOLESTR str, FMTID *rfmtid) -{ - HRESULT hr = STG_E_INVALIDNAME; - - TRACE("%s, %p\n", debugstr_w(str), rfmtid); - - if (!rfmtid) return E_INVALIDARG; - if (!str) return STG_E_INVALIDNAME; - - if (!lstrcmpiW(str, szDocSummaryInfo)) - { - *rfmtid = FMTID_DocSummaryInformation; - hr = S_OK; - } - else if (!lstrcmpiW(str, szSummaryInfo)) - { - *rfmtid = FMTID_SummaryInformation; - hr = S_OK; - } - else - { - ULONG bits; - BYTE *fmtptr = (BYTE *)rfmtid - 1; - const WCHAR *pstr = str; - - memset(rfmtid, 0, sizeof(*rfmtid)); - for (bits = 0; bits < sizeof(FMTID) * BITS_PER_BYTE; - bits += BITS_IN_CHARMASK) - { - ULONG bitsUsed = bits % BITS_PER_BYTE, bitsStored; - WCHAR wc; - - if (bitsUsed == 0) - fmtptr++; - wc = *++pstr - 'A'; - if (wc > NUM_ALPHA_CHARS) - { - wc += 'A' - 'a'; - if (wc > NUM_ALPHA_CHARS) - { - wc += 'a' - '0' + NUM_ALPHA_CHARS; - if (wc > CHARMASK) - { - WARN("invalid character (%d)\n", *pstr); - goto end; - } - } - } - *fmtptr |= wc << bitsUsed; - bitsStored = min(BITS_PER_BYTE - bitsUsed, BITS_IN_CHARMASK); - if (bitsStored < BITS_IN_CHARMASK) - { - wc >>= BITS_PER_BYTE - bitsUsed; - if (bits + bitsStored == sizeof(FMTID) * BITS_PER_BYTE) - { - if (wc != 0) - { - WARN("extra bits\n"); - goto end; - } - break; - } - fmtptr++; - *fmtptr |= (BYTE)wc; - } - } - hr = S_OK; - } -end: - return hr; -} - -#ifdef __i386__ /* thiscall functions are i386-specific */ - -#define DEFINE_STDCALL_WRAPPER(num,func,args) \ - __ASM_STDCALL_FUNC(func, args, \ - "popl %eax\n\t" \ - "popl %ecx\n\t" \ - "pushl %eax\n\t" \ - "movl (%ecx), %eax\n\t" \ - "jmp *(4*(" #num "))(%eax)" ) - -DEFINE_STDCALL_WRAPPER(0,Allocate_PMemoryAllocator,8) -extern void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize); - -#else - -static void* WINAPI Allocate_PMemoryAllocator(void *this, ULONG cbSize) -{ - void* (WINAPI *fn)(void*,ULONG) = **(void***)this; - return fn(this, cbSize); -} - -#endif - -BOOLEAN WINAPI StgConvertPropertyToVariant(const SERIALIZEDPROPERTYVALUE* prop, - USHORT CodePage, PROPVARIANT* pvar, void* pma) -{ - struct read_buffer read_buffer; - HRESULT hr; - - read_buffer.data = (BYTE *)prop; - read_buffer.size = ~(size_t)0; - hr = PropertyStorage_ReadProperty(pvar, &read_buffer, 0, CodePage, Allocate_PMemoryAllocator, pma); - - if (FAILED(hr)) - { - FIXME("should raise C++ exception on failure\n"); - PropVariantInit(pvar); - } - - return FALSE; -} - -SERIALIZEDPROPERTYVALUE* WINAPI StgConvertVariantToProperty(const PROPVARIANT *pvar, - USHORT CodePage, SERIALIZEDPROPERTYVALUE *pprop, ULONG *pcb, PROPID pid, - BOOLEAN fReserved, ULONG *pcIndirect) -{ - FIXME("%p, %d, %p, %p, %ld, %d, %p.\n", pvar, CodePage, pprop, pcb, pid, fReserved, pcIndirect); - - return NULL; -} - -HRESULT WINAPI StgCreatePropStg(IUnknown *unk, REFFMTID fmt, const CLSID *clsid, - DWORD flags, DWORD reserved, IPropertyStorage **prop_stg) -{ - IStorage *stg; - IStream *stm; - HRESULT r; - - TRACE("%p, %s, %s, %#lx, %ld, %p.\n", unk, debugstr_guid(fmt), debugstr_guid(clsid), flags, reserved, prop_stg); - - if (!fmt || reserved) - { - r = E_INVALIDARG; - goto end; - } - - if (flags & PROPSETFLAG_NONSIMPLE) - { - r = IUnknown_QueryInterface(unk, &IID_IStorage, (void **)&stg); - if (FAILED(r)) - goto end; - - /* FIXME: if (flags & PROPSETFLAG_NONSIMPLE), we need to create a - * storage, not a stream. For now, disallow it. - */ - FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); - IStorage_Release(stg); - r = STG_E_INVALIDFLAG; - } - else - { - r = IUnknown_QueryInterface(unk, &IID_IStream, (void **)&stm); - if (FAILED(r)) - goto end; - - r = PropertyStorage_ConstructEmpty(stm, fmt, flags, - STGM_CREATE|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, prop_stg); - - IStream_Release( stm ); - } - -end: - TRACE("returning %#lx\n", r); - return r; -} - -HRESULT WINAPI StgOpenPropStg(IUnknown *unk, REFFMTID fmt, DWORD flags, - DWORD reserved, IPropertyStorage **prop_stg) -{ - IStorage *stg; - IStream *stm; - HRESULT r; - - TRACE("%p, %s, %#lx, %ld, %p.\n", unk, debugstr_guid(fmt), flags, reserved, prop_stg); - - if (!fmt || reserved) - { - r = E_INVALIDARG; - goto end; - } - - if (flags & PROPSETFLAG_NONSIMPLE) - { - r = IUnknown_QueryInterface(unk, &IID_IStorage, (void **)&stg); - if (FAILED(r)) - goto end; - - /* FIXME: if (flags & PROPSETFLAG_NONSIMPLE), we need to open a - * storage, not a stream. For now, disallow it. - */ - FIXME("PROPSETFLAG_NONSIMPLE not supported\n"); - IStorage_Release(stg); - r = STG_E_INVALIDFLAG; - } - else - { - r = IUnknown_QueryInterface(unk, &IID_IStream, (void **)&stm); - if (FAILED(r)) - goto end; - - r = PropertyStorage_ConstructFromStream(stm, fmt, - STGM_READWRITE|STGM_SHARE_EXCLUSIVE, prop_stg); - - IStream_Release( stm ); - } - -end: - TRACE("returning %#lx\n", r); - return r; -} diff --git a/dlls/ole32/stg_stream.c b/dlls/ole32/stg_stream.c deleted file mode 100644 index 25ead2c7c49..00000000000 --- a/dlls/ole32/stg_stream.c +++ /dev/null @@ -1,705 +0,0 @@ -/* - * Compound Storage (32 bit version) - * Stream implementation - * - * This file contains the implementation of the stream interface - * for streams contained in a compound storage. - * - * Copyright 1999 Francis Beaudet - * Copyright 1999 Thuy Nguyen - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA - */ - -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> - -#define COBJMACROS -#include "windef.h" -#include "winbase.h" -#include "winerror.h" -#include "winternl.h" -#include "wine/debug.h" - -#include "storage32.h" - -WINE_DEFAULT_DEBUG_CHANNEL(storage); - -/*** - * This implements the IUnknown method QueryInterface for this - * class - */ -static HRESULT WINAPI StgStreamImpl_QueryInterface( - IStream* iface, - REFIID riid, /* [in] */ - void** ppvObject) /* [iid_is][out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - if (ppvObject==0) - return E_INVALIDARG; - - *ppvObject = 0; - - if (IsEqualIID(&IID_IUnknown, riid) || - IsEqualIID(&IID_ISequentialStream, riid) || - IsEqualIID(&IID_IStream, riid)) - { - *ppvObject = &This->IStream_iface; - } - else - return E_NOINTERFACE; - - IStream_AddRef(iface); - - return S_OK; -} - -/*** - * This implements the IUnknown method AddRef for this - * class - */ -static ULONG WINAPI StgStreamImpl_AddRef( - IStream* iface) -{ - StgStreamImpl* This = impl_from_IStream(iface); - return InterlockedIncrement(&This->ref); -} - -/*** - * This implements the IUnknown method Release for this - * class - */ -static ULONG WINAPI StgStreamImpl_Release( - IStream* iface) -{ - StgStreamImpl* This = impl_from_IStream(iface); - ULONG ref = InterlockedDecrement(&This->ref); - - if (!ref) - { - TRACE("(%p)\n", This); - - /* - * Release the reference we are holding on the parent storage. - * IStorage_Release(&This->parentStorage->IStorage_iface); - * - * No, don't do this. Some apps call IStorage_Release without - * calling IStream_Release first. If we grab a reference the - * file is not closed, and the app fails when it tries to - * reopen the file (Easy-PC, for example). Just inform the - * storage that we have closed the stream - */ - - if (This->parentStorage) - StorageBaseImpl_RemoveStream(This->parentStorage, This); - This->parentStorage = 0; - HeapFree(GetProcessHeap(), 0, This); - } - - return ref; -} - -/*** - * This method is part of the ISequentialStream interface. - * - * It reads a block of information from the stream at the current - * position. It then moves the current position at the end of the - * read block - * - * See the documentation of ISequentialStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Read( - IStream* iface, - void* pv, /* [length_is][size_is][out] */ - ULONG cb, /* [in] */ - ULONG* pcbRead) /* [out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - ULONG bytesReadBuffer; - HRESULT res; - - TRACE("%p, %p, %lu, %p.\n", iface, pv, cb, pcbRead); - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - /* - * If the caller is not interested in the number of bytes read, - * we use another buffer to avoid "if" statements in the code. - */ - if (pcbRead==0) - pcbRead = &bytesReadBuffer; - - res = StorageBaseImpl_StreamReadAt(This->parentStorage, - This->dirEntry, - This->currentPosition, - cb, - pv, - pcbRead); - - if (SUCCEEDED(res)) - { - /* - * Advance the pointer for the number of positions read. - */ - This->currentPosition.QuadPart += *pcbRead; - } - - TRACE("<-- %#lx\n", res); - return res; -} - -/*** - * This method is part of the ISequentialStream interface. - * - * It writes a block of information to the stream at the current - * position. It then moves the current position at the end of the - * written block. If the stream is too small to fit the block, - * the stream is grown to fit. - * - * See the documentation of ISequentialStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Write( - IStream* iface, - const void* pv, /* [size_is][in] */ - ULONG cb, /* [in] */ - ULONG* pcbWritten) /* [out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - ULONG bytesWritten = 0; - HRESULT res; - - TRACE("%p, %p, %lu, %p.\n", iface, pv, cb, pcbWritten); - - /* - * Do we have permission to write to this stream? - */ - switch(STGM_ACCESS_MODE(This->grfMode)) - { - case STGM_WRITE: - case STGM_READWRITE: - break; - default: - WARN("access denied by flags: %#lx\n", STGM_ACCESS_MODE(This->grfMode)); - return STG_E_ACCESSDENIED; - } - - if (!pv) - return STG_E_INVALIDPOINTER; - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - /* - * If the caller is not interested in the number of bytes written, - * we use another buffer to avoid "if" statements in the code. - */ - if (pcbWritten == 0) - pcbWritten = &bytesWritten; - - /* - * Initialize the out parameter - */ - *pcbWritten = 0; - - if (cb == 0) - { - TRACE("<-- S_OK, written 0\n"); - return S_OK; - } - - res = StorageBaseImpl_StreamWriteAt(This->parentStorage, - This->dirEntry, - This->currentPosition, - cb, - pv, - pcbWritten); - - /* - * Advance the position pointer for the number of positions written. - */ - This->currentPosition.QuadPart += *pcbWritten; - - if (SUCCEEDED(res)) - res = StorageBaseImpl_Flush(This->parentStorage); - - TRACE("<-- %#lx, written %lu\n", res, *pcbWritten); - return res; -} - -/*** - * This method is part of the IStream interface. - * - * It will move the current stream pointer according to the parameters - * given. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Seek( - IStream* iface, - LARGE_INTEGER dlibMove, /* [in] */ - DWORD dwOrigin, /* [in] */ - ULARGE_INTEGER* plibNewPosition) /* [out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - ULARGE_INTEGER newPosition; - DirEntry currentEntry; - HRESULT hr; - - TRACE("%p, %ld, %ld, %p.\n", iface, dlibMove.LowPart, dwOrigin, plibNewPosition); - - /* - * fail if the stream has no parent (as does windows) - */ - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - /* - * The caller is allowed to pass in NULL as the new position return value. - * If it happens, we assign it to a dynamic variable to avoid special cases - * in the code below. - */ - if (plibNewPosition == 0) - { - plibNewPosition = &newPosition; - } - - /* - * The file pointer is moved depending on the given "function" - * parameter. - */ - switch (dwOrigin) - { - case STREAM_SEEK_SET: - plibNewPosition->u.HighPart = 0; - plibNewPosition->u.LowPart = 0; - break; - case STREAM_SEEK_CUR: - *plibNewPosition = This->currentPosition; - break; - case STREAM_SEEK_END: - hr = StorageBaseImpl_ReadDirEntry(This->parentStorage, This->dirEntry, ¤tEntry); - if (FAILED(hr)) return hr; - *plibNewPosition = currentEntry.size; - break; - default: - WARN("invalid dwOrigin %ld\n", dwOrigin); - return STG_E_INVALIDFUNCTION; - } - - plibNewPosition->QuadPart += dlibMove.QuadPart; - - /* - * tell the caller what we calculated - */ - This->currentPosition = *plibNewPosition; - - return S_OK; -} - -/*** - * This method is part of the IStream interface. - * - * It will change the size of a stream. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_SetSize( - IStream* iface, - ULARGE_INTEGER libNewSize) /* [in] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - HRESULT hr; - - TRACE("%p, %ld.\n", iface, libNewSize.LowPart); - - if(!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - /* - * As documented. - */ - if (libNewSize.HighPart != 0) - { - WARN("invalid value for libNewSize.HighPart %ld\n", libNewSize.HighPart); - return STG_E_INVALIDFUNCTION; - } - - /* - * Do we have permission? - */ - if (!(This->grfMode & (STGM_WRITE | STGM_READWRITE))) - { - WARN("access denied\n"); - return STG_E_ACCESSDENIED; - } - - hr = StorageBaseImpl_StreamSetSize(This->parentStorage, This->dirEntry, libNewSize); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This->parentStorage); - - return hr; -} - -/*** - * This method is part of the IStream interface. - * - * It will copy the 'cb' Bytes to 'pstm' IStream. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_CopyTo( - IStream* iface, - IStream* pstm, /* [unique][in] */ - ULARGE_INTEGER cb, /* [in] */ - ULARGE_INTEGER* pcbRead, /* [out] */ - ULARGE_INTEGER* pcbWritten) /* [out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - HRESULT hr = S_OK; - BYTE tmpBuffer[128]; - ULONG bytesRead, bytesWritten, copySize; - ULARGE_INTEGER totalBytesRead; - ULARGE_INTEGER totalBytesWritten; - - TRACE("%p, %p, %ld, %p, %p.\n", iface, pstm, cb.LowPart, pcbRead, pcbWritten); - - /* - * Sanity check - */ - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - if ( pstm == 0 ) - return STG_E_INVALIDPOINTER; - - totalBytesRead.QuadPart = 0; - totalBytesWritten.QuadPart = 0; - - while ( cb.QuadPart > 0 ) - { - if ( cb.QuadPart >= sizeof(tmpBuffer) ) - copySize = sizeof(tmpBuffer); - else - copySize = cb.LowPart; - - IStream_Read(iface, tmpBuffer, copySize, &bytesRead); - - totalBytesRead.QuadPart += bytesRead; - - IStream_Write(pstm, tmpBuffer, bytesRead, &bytesWritten); - - totalBytesWritten.QuadPart += bytesWritten; - - /* - * Check that read & write operations were successful - */ - if (bytesRead != bytesWritten) - { - hr = STG_E_MEDIUMFULL; - WARN("medium full\n"); - break; - } - - if (bytesRead!=copySize) - cb.QuadPart = 0; - else - cb.QuadPart -= bytesRead; - } - - if (pcbRead) pcbRead->QuadPart = totalBytesRead.QuadPart; - if (pcbWritten) pcbWritten->QuadPart = totalBytesWritten.QuadPart; - - return hr; -} - -/*** - * This method is part of the IStream interface. - * - * For streams contained in structured storages, this method - * does nothing. This is what the documentation tells us. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Commit( - IStream* iface, - DWORD grfCommitFlags) /* [in] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - return StorageBaseImpl_Flush(This->parentStorage); -} - -/*** - * This method is part of the IStream interface. - * - * For streams contained in structured storages, this method - * does nothing. This is what the documentation tells us. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Revert( - IStream* iface) -{ - return S_OK; -} - -static HRESULT WINAPI StgStreamImpl_LockRegion( - IStream* iface, - ULARGE_INTEGER libOffset, /* [in] */ - ULARGE_INTEGER cb, /* [in] */ - DWORD dwLockType) /* [in] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - FIXME("not implemented!\n"); - return E_NOTIMPL; -} - -static HRESULT WINAPI StgStreamImpl_UnlockRegion( - IStream* iface, - ULARGE_INTEGER libOffset, /* [in] */ - ULARGE_INTEGER cb, /* [in] */ - DWORD dwLockType) /* [in] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - FIXME("not implemented!\n"); - return E_NOTIMPL; -} - -/*** - * This method is part of the IStream interface. - * - * This method returns information about the current - * stream. - * - * See the documentation of IStream for more info. - */ -static HRESULT WINAPI StgStreamImpl_Stat( - IStream* iface, - STATSTG* pstatstg, /* [out] */ - DWORD grfStatFlag) /* [in] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - - DirEntry currentEntry; - HRESULT hr; - - TRACE("%p, %p, %#lx.\n", This, pstatstg, grfStatFlag); - - /* - * if stream has no parent, return STG_E_REVERTED - */ - - if (!This->parentStorage) - { - WARN("storage reverted\n"); - return STG_E_REVERTED; - } - - /* - * Read the information from the directory entry. - */ - hr = StorageBaseImpl_ReadDirEntry(This->parentStorage, - This->dirEntry, - ¤tEntry); - - if (SUCCEEDED(hr)) - { - StorageUtl_CopyDirEntryToSTATSTG(This->parentStorage, - pstatstg, - ¤tEntry, - grfStatFlag); - - pstatstg->grfMode = This->grfMode; - - /* In simple create mode cbSize is the current pos */ - if((This->parentStorage->openFlags & STGM_SIMPLE) && This->parentStorage->create) - pstatstg->cbSize = This->currentPosition; - - return S_OK; - } - - WARN("failed to read entry\n"); - return hr; -} - -/*** - * This method is part of the IStream interface. - * - * This method returns a clone of the interface that allows for - * another seek pointer - * - * See the documentation of IStream for more info. - * - * I am not totally sure what I am doing here but I presume that this - * should be basically as simple as creating a new stream with the same - * parent etc and positioning its seek cursor. - */ -static HRESULT WINAPI StgStreamImpl_Clone( - IStream* iface, - IStream** ppstm) /* [out] */ -{ - StgStreamImpl* This = impl_from_IStream(iface); - StgStreamImpl* new_stream; - LARGE_INTEGER seek_pos; - - TRACE("%p %p\n", This, ppstm); - - /* - * Sanity check - */ - - if (!This->parentStorage) - return STG_E_REVERTED; - - if ( ppstm == 0 ) - return STG_E_INVALIDPOINTER; - - new_stream = StgStreamImpl_Construct (This->parentStorage, This->grfMode, This->dirEntry); - - if (!new_stream) - return STG_E_INSUFFICIENTMEMORY; /* Currently the only reason for new_stream=0 */ - - *ppstm = &new_stream->IStream_iface; - IStream_AddRef(*ppstm); - - seek_pos.QuadPart = This->currentPosition.QuadPart; - - return IStream_Seek(*ppstm, seek_pos, STREAM_SEEK_SET, NULL); -} - -/* - * Virtual function table for the StgStreamImpl class. - */ -static const IStreamVtbl StgStreamVtbl = -{ - StgStreamImpl_QueryInterface, - StgStreamImpl_AddRef, - StgStreamImpl_Release, - StgStreamImpl_Read, - StgStreamImpl_Write, - StgStreamImpl_Seek, - StgStreamImpl_SetSize, - StgStreamImpl_CopyTo, - StgStreamImpl_Commit, - StgStreamImpl_Revert, - StgStreamImpl_LockRegion, - StgStreamImpl_UnlockRegion, - StgStreamImpl_Stat, - StgStreamImpl_Clone -}; - -/****************************************************************************** -** StgStreamImpl implementation -*/ - -/*** - * This is the constructor for the StgStreamImpl class. - * - * Params: - * parentStorage - Pointer to the storage that contains the stream to open - * dirEntry - Index of the directory entry that points to this stream. - */ -StgStreamImpl* StgStreamImpl_Construct( - StorageBaseImpl* parentStorage, - DWORD grfMode, - DirRef dirEntry) -{ - StgStreamImpl* newStream; - - newStream = HeapAlloc(GetProcessHeap(), 0, sizeof(StgStreamImpl)); - - if (newStream) - { - /* - * Set-up the virtual function table and reference count. - */ - newStream->IStream_iface.lpVtbl = &StgStreamVtbl; - newStream->ref = 0; - - newStream->parentStorage = parentStorage; - - /* - * We want to nail-down the reference to the storage in case the - * stream out-lives the storage in the client application. - * - * -- IStorage_AddRef(&newStream->parentStorage->IStorage_iface); - * - * No, don't do this. Some apps call IStorage_Release without - * calling IStream_Release first. If we grab a reference the - * file is not closed, and the app fails when it tries to - * reopen the file (Easy-PC, for example) - */ - - newStream->grfMode = grfMode; - newStream->dirEntry = dirEntry; - - /* - * Start the stream at the beginning. - */ - newStream->currentPosition.HighPart = 0; - newStream->currentPosition.LowPart = 0; - - /* add us to the storage's list of active streams */ - StorageBaseImpl_AddStream(parentStorage, newStream); - } - - return newStream; -} diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c index 0d3f9922d78..9690772eadc 100644 --- a/dlls/ole32/storage32.c +++ b/dlls/ole32/storage32.c @@ -57,9025 +57,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(storage); * These are signatures to detect the type of Document file. */ static const BYTE STORAGE_magic[8] ={0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1}; -static const BYTE STORAGE_oldmagic[8] ={0xd0,0xcf,0x11,0xe0,0x0e,0x11,0xfc,0x0d}; - -extern const IPropertySetStorageVtbl IPropertySetStorage_Vtbl; - - -/**************************************************************************** - * StorageInternalImpl definitions. - * - * Definition of the implementation structure for the IStorage interface. - * This one implements the IStorage interface for storage that are - * inside another storage. - */ -typedef struct StorageInternalImpl -{ - struct StorageBaseImpl base; - - /* - * Entry in the parent's stream tracking list - */ - struct list ParentListEntry; - - StorageBaseImpl *parentStorage; -} StorageInternalImpl; - -static const IStorageVtbl StorageInternalImpl_Vtbl; -static StorageInternalImpl* StorageInternalImpl_Construct(StorageBaseImpl*,DWORD,DirRef); - -typedef struct TransactedDirEntry -{ - /* If applicable, a reference to the original DirEntry in the transacted - * parent. If this is a newly-created entry, DIRENTRY_NULL. */ - DirRef transactedParentEntry; - - /* True if this entry is being used. */ - BOOL inuse; - - /* True if data is up to date. */ - BOOL read; - - /* True if this entry has been modified. */ - BOOL dirty; - - /* True if this entry's stream has been modified. */ - BOOL stream_dirty; - - /* True if this entry has been deleted in the transacted storage, but the - * delete has not yet been committed. */ - BOOL deleted; - - /* If this entry's stream has been modified, a reference to where the stream - * is stored in the snapshot file. */ - DirRef stream_entry; - - /* This directory entry's data, including any changes that have been made. */ - DirEntry data; - - /* A reference to the parent of this node. This is only valid while we are - * committing changes. */ - DirRef parent; - - /* A reference to a newly-created entry in the transacted parent. This is - * always equal to transactedParentEntry except when committing changes. */ - DirRef newTransactedParentEntry; -} TransactedDirEntry; - - -/**************************************************************************** - * Transacted storage object. - */ -typedef struct TransactedSnapshotImpl -{ - struct StorageBaseImpl base; - - /* - * Modified streams are temporarily saved to the scratch file. - */ - StorageBaseImpl *scratch; - - /* The directory structure is kept here, so that we can track how these - * entries relate to those in the parent storage. */ - TransactedDirEntry *entries; - ULONG entries_size; - ULONG firstFreeEntry; - - /* - * Changes are committed to the transacted parent. - */ - StorageBaseImpl *transactedParent; - - /* The transaction signature from when we last committed */ - ULONG lastTransactionSig; -} TransactedSnapshotImpl; - -static const IStorageVtbl TransactedSnapshotImpl_Vtbl; -static HRESULT Storage_ConstructTransacted(StorageBaseImpl*,BOOL,StorageBaseImpl**); - -typedef struct TransactedSharedImpl -{ - struct StorageBaseImpl base; - - /* - * Snapshot and uncommitted changes go here. - */ - TransactedSnapshotImpl *scratch; - - /* - * Changes are committed to the transacted parent. - */ - StorageBaseImpl *transactedParent; - - /* The transaction signature from when we last committed */ - ULONG lastTransactionSig; -} TransactedSharedImpl; - - -/**************************************************************************** - * BlockChainStream definitions. - * - * The BlockChainStream class is a utility class that is used to create an - * abstraction of the big block chains in the storage file. - */ - -struct BlockChainRun -{ - /* This represents a range of blocks that happen reside in consecutive sectors. */ - ULONG firstSector; - ULONG firstOffset; - ULONG lastOffset; -}; - -typedef struct BlockChainBlock -{ - ULONG index; - ULONG sector; - BOOL read; - BOOL dirty; - BYTE data[MAX_BIG_BLOCK_SIZE]; -} BlockChainBlock; - -struct BlockChainStream -{ - StorageImpl* parentStorage; - ULONG* headOfStreamPlaceHolder; - DirRef ownerDirEntry; - struct BlockChainRun* indexCache; - ULONG indexCacheLen; - ULONG indexCacheSize; - BlockChainBlock cachedBlocks[2]; - ULONG blockToEvict; - ULONG tailIndex; - ULONG numBlocks; -}; - -/* Returns the number of blocks that comprises this chain. - * This is not the size of the stream as the last block may not be full! - */ -static inline ULONG BlockChainStream_GetCount(BlockChainStream* This) -{ - return This->numBlocks; -} - -static BlockChainStream* BlockChainStream_Construct(StorageImpl*,ULONG*,DirRef); -static void BlockChainStream_Destroy(BlockChainStream*); -static HRESULT BlockChainStream_ReadAt(BlockChainStream*,ULARGE_INTEGER,ULONG,void*,ULONG*); -static HRESULT BlockChainStream_WriteAt(BlockChainStream*,ULARGE_INTEGER,ULONG,const void*,ULONG*); -static HRESULT BlockChainStream_Flush(BlockChainStream*); -static ULARGE_INTEGER BlockChainStream_GetSize(BlockChainStream*); -static BOOL BlockChainStream_SetSize(BlockChainStream*,ULARGE_INTEGER); - - -/**************************************************************************** - * SmallBlockChainStream definitions. - * - * The SmallBlockChainStream class is a utility class that is used to create an - * abstraction of the small block chains in the storage file. - */ - -struct SmallBlockChainStream -{ - StorageImpl* parentStorage; - DirRef ownerDirEntry; - ULONG* headOfStreamPlaceHolder; -}; - -static SmallBlockChainStream* SmallBlockChainStream_Construct(StorageImpl*,ULONG*,DirRef); -static void SmallBlockChainStream_Destroy(SmallBlockChainStream*); -static HRESULT SmallBlockChainStream_ReadAt(SmallBlockChainStream*,ULARGE_INTEGER,ULONG,void*,ULONG*); -static HRESULT SmallBlockChainStream_WriteAt(SmallBlockChainStream*,ULARGE_INTEGER,ULONG,const void*,ULONG*); -static ULARGE_INTEGER SmallBlockChainStream_GetSize(SmallBlockChainStream*); -static BOOL SmallBlockChainStream_SetSize(SmallBlockChainStream*,ULARGE_INTEGER); - - -/************************************************************************ - * STGM Functions - ***********************************************************************/ - -/************************************************************************ - * This method validates an STGM parameter that can contain the values below - * - * The stgm modes in 0x0000ffff are not bit masks, but distinct 4 bit values. - * The stgm values contained in 0xffff0000 are bitmasks. - * - * STGM_DIRECT 0x00000000 - * STGM_TRANSACTED 0x00010000 - * STGM_SIMPLE 0x08000000 - * - * STGM_READ 0x00000000 - * STGM_WRITE 0x00000001 - * STGM_READWRITE 0x00000002 - * - * STGM_SHARE_DENY_NONE 0x00000040 - * STGM_SHARE_DENY_READ 0x00000030 - * STGM_SHARE_DENY_WRITE 0x00000020 - * STGM_SHARE_EXCLUSIVE 0x00000010 - * - * STGM_PRIORITY 0x00040000 - * STGM_DELETEONRELEASE 0x04000000 - * - * STGM_CREATE 0x00001000 - * STGM_CONVERT 0x00020000 - * STGM_FAILIFTHERE 0x00000000 - * - * STGM_NOSCRATCH 0x00100000 - * STGM_NOSNAPSHOT 0x00200000 - */ -static HRESULT validateSTGM(DWORD stgm) -{ - DWORD access = STGM_ACCESS_MODE(stgm); - DWORD share = STGM_SHARE_MODE(stgm); - DWORD create = STGM_CREATE_MODE(stgm); - - if (stgm&~STGM_KNOWN_FLAGS) - { - ERR("unknown flags %#lx\n", stgm); - return E_FAIL; - } - - switch (access) - { - case STGM_READ: - case STGM_WRITE: - case STGM_READWRITE: - break; - default: - return E_FAIL; - } - - switch (share) - { - case STGM_SHARE_DENY_NONE: - case STGM_SHARE_DENY_READ: - case STGM_SHARE_DENY_WRITE: - case STGM_SHARE_EXCLUSIVE: - break; - case 0: - if (!(stgm & STGM_TRANSACTED)) - return E_FAIL; - break; - default: - return E_FAIL; - } - - switch (create) - { - case STGM_CREATE: - case STGM_FAILIFTHERE: - break; - default: - return E_FAIL; - } - - /* - * STGM_DIRECT | STGM_TRANSACTED | STGM_SIMPLE - */ - if ( (stgm & STGM_TRANSACTED) && (stgm & STGM_SIMPLE) ) - return E_FAIL; - - /* - * STGM_CREATE | STGM_CONVERT - * if both are false, STGM_FAILIFTHERE is set to TRUE - */ - if ( create == STGM_CREATE && (stgm & STGM_CONVERT) ) - return E_FAIL; - - /* - * STGM_NOSCRATCH requires STGM_TRANSACTED - */ - if ( (stgm & STGM_NOSCRATCH) && !(stgm & STGM_TRANSACTED) ) - return E_FAIL; - - /* - * STGM_NOSNAPSHOT requires STGM_TRANSACTED and - * not STGM_SHARE_EXCLUSIVE or STGM_SHARE_DENY_WRITE` - */ - if ( (stgm & STGM_NOSNAPSHOT) && - (!(stgm & STGM_TRANSACTED) || - share == STGM_SHARE_EXCLUSIVE || - share == STGM_SHARE_DENY_WRITE) ) - return E_FAIL; - - return S_OK; -} - -/************************************************************************ - * GetShareModeFromSTGM - * - * This method will return a share mode flag from a STGM value. - * The STGM value is assumed valid. - */ -static DWORD GetShareModeFromSTGM(DWORD stgm) -{ - switch (STGM_SHARE_MODE(stgm)) - { - case 0: - assert(stgm & STGM_TRANSACTED); - /* fall-through */ - case STGM_SHARE_DENY_NONE: - return FILE_SHARE_READ | FILE_SHARE_WRITE; - case STGM_SHARE_DENY_READ: - return FILE_SHARE_WRITE; - case STGM_SHARE_DENY_WRITE: - case STGM_SHARE_EXCLUSIVE: - return FILE_SHARE_READ; - } - ERR("Invalid share mode!\n"); - assert(0); - return 0; -} - -/************************************************************************ - * GetAccessModeFromSTGM - * - * This method will return an access mode flag from a STGM value. - * The STGM value is assumed valid. - */ -static DWORD GetAccessModeFromSTGM(DWORD stgm) -{ - switch (STGM_ACCESS_MODE(stgm)) - { - case STGM_READ: - return GENERIC_READ; - case STGM_WRITE: - case STGM_READWRITE: - return GENERIC_READ | GENERIC_WRITE; - } - ERR("Invalid access mode!\n"); - assert(0); - return 0; -} - -/************************************************************************ - * GetCreationModeFromSTGM - * - * This method will return a creation mode flag from a STGM value. - * The STGM value is assumed valid. - */ -static DWORD GetCreationModeFromSTGM(DWORD stgm) -{ - switch(STGM_CREATE_MODE(stgm)) - { - case STGM_CREATE: - return CREATE_ALWAYS; - case STGM_CONVERT: - FIXME("STGM_CONVERT not implemented!\n"); - return CREATE_NEW; - case STGM_FAILIFTHERE: - return CREATE_NEW; - } - ERR("Invalid create mode!\n"); - assert(0); - return 0; -} - - -/************************************************************************ - * IDirectWriterLock implementation - ***********************************************************************/ - -static inline StorageBaseImpl *impl_from_IDirectWriterLock( IDirectWriterLock *iface ) -{ - return CONTAINING_RECORD(iface, StorageBaseImpl, IDirectWriterLock_iface); -} - -static HRESULT WINAPI directwriterlock_QueryInterface(IDirectWriterLock *iface, REFIID riid, void **obj) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - return IStorage_QueryInterface(&This->IStorage_iface, riid, obj); -} - -static ULONG WINAPI directwriterlock_AddRef(IDirectWriterLock *iface) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - return IStorage_AddRef(&This->IStorage_iface); -} - -static ULONG WINAPI directwriterlock_Release(IDirectWriterLock *iface) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - return IStorage_Release(&This->IStorage_iface); -} - -static HRESULT WINAPI directwriterlock_WaitForWriteAccess(IDirectWriterLock *iface, DWORD timeout) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - FIXME("%p, %ld: stub\n", This, timeout); - return E_NOTIMPL; -} - -static HRESULT WINAPI directwriterlock_ReleaseWriteAccess(IDirectWriterLock *iface) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - FIXME("(%p): stub\n", This); - return E_NOTIMPL; -} - -static HRESULT WINAPI directwriterlock_HaveWriteAccess(IDirectWriterLock *iface) -{ - StorageBaseImpl *This = impl_from_IDirectWriterLock(iface); - FIXME("(%p): stub\n", This); - return E_NOTIMPL; -} - -static const IDirectWriterLockVtbl DirectWriterLockVtbl = -{ - directwriterlock_QueryInterface, - directwriterlock_AddRef, - directwriterlock_Release, - directwriterlock_WaitForWriteAccess, - directwriterlock_ReleaseWriteAccess, - directwriterlock_HaveWriteAccess -}; - - -/************************************************************************ - * StorageBaseImpl implementation : Tree helper functions - ***********************************************************************/ - -/**************************************************************************** - * - * Internal Method - * - * Case insensitive comparison of DirEntry.name by first considering - * their size. - * - * Returns <0 when name1 < name2 - * >0 when name1 > name2 - * 0 when name1 == name2 - */ -static LONG entryNameCmp( - const OLECHAR *name1, - const OLECHAR *name2) -{ - LONG diff = lstrlenW(name1) - lstrlenW(name2); - - while (diff == 0 && *name1 != 0) - { - /* - * We compare the string themselves only when they are of the same length - */ - diff = towupper(*name1++) - towupper(*name2++); - } - - return diff; -} - -/**************************************************************************** - * - * Internal Method - * - * Find and read the element of a storage with the given name. - */ -static DirRef findElement(StorageBaseImpl *storage, DirRef storageEntry, - const OLECHAR *name, DirEntry *data) -{ - DirRef currentEntry; - - /* Read the storage entry to find the root of the tree. */ - StorageBaseImpl_ReadDirEntry(storage, storageEntry, data); - - currentEntry = data->dirRootEntry; - - while (currentEntry != DIRENTRY_NULL) - { - LONG cmp; - - StorageBaseImpl_ReadDirEntry(storage, currentEntry, data); - - cmp = entryNameCmp(name, data->name); - - if (cmp == 0) - /* found it */ - break; - - else if (cmp < 0) - currentEntry = data->leftChild; - - else if (cmp > 0) - currentEntry = data->rightChild; - } - - return currentEntry; -} - -/**************************************************************************** - * - * Internal Method - * - * Find and read the binary tree parent of the element with the given name. - * - * If there is no such element, find a place where it could be inserted and - * return STG_E_FILENOTFOUND. - */ -static HRESULT findTreeParent(StorageBaseImpl *storage, DirRef storageEntry, - const OLECHAR *childName, DirEntry *parentData, DirRef *parentEntry, - ULONG *relation) -{ - DirRef childEntry; - DirEntry childData; - - /* Read the storage entry to find the root of the tree. */ - StorageBaseImpl_ReadDirEntry(storage, storageEntry, parentData); - - *parentEntry = storageEntry; - *relation = DIRENTRY_RELATION_DIR; - - childEntry = parentData->dirRootEntry; - - while (childEntry != DIRENTRY_NULL) - { - LONG cmp; - - StorageBaseImpl_ReadDirEntry(storage, childEntry, &childData); - - cmp = entryNameCmp(childName, childData.name); - - if (cmp == 0) - /* found it */ - break; - - else if (cmp < 0) - { - *parentData = childData; - *parentEntry = childEntry; - *relation = DIRENTRY_RELATION_PREVIOUS; - - childEntry = parentData->leftChild; - } - - else if (cmp > 0) - { - *parentData = childData; - *parentEntry = childEntry; - *relation = DIRENTRY_RELATION_NEXT; - - childEntry = parentData->rightChild; - } - } - - if (childEntry == DIRENTRY_NULL) - return STG_E_FILENOTFOUND; - else - return S_OK; -} - -static void setEntryLink(DirEntry *entry, ULONG relation, DirRef new_target) -{ - switch (relation) - { - case DIRENTRY_RELATION_PREVIOUS: - entry->leftChild = new_target; - break; - case DIRENTRY_RELATION_NEXT: - entry->rightChild = new_target; - break; - case DIRENTRY_RELATION_DIR: - entry->dirRootEntry = new_target; - break; - default: - assert(0); - } -} - -/**************************************************************************** - * - * Internal Method - * - * Add a directory entry to a storage - */ -static HRESULT insertIntoTree( - StorageBaseImpl *This, - DirRef parentStorageIndex, - DirRef newEntryIndex) -{ - DirEntry currentEntry; - DirEntry newEntry; - - /* - * Read the inserted entry - */ - StorageBaseImpl_ReadDirEntry(This, - newEntryIndex, - &newEntry); - - /* - * Read the storage entry - */ - StorageBaseImpl_ReadDirEntry(This, - parentStorageIndex, - ¤tEntry); - - if (currentEntry.dirRootEntry != DIRENTRY_NULL) - { - /* - * The root storage contains some element, therefore, start the research - * for the appropriate location. - */ - BOOL found = FALSE; - DirRef current, next, previous, currentEntryId; - - /* - * Keep a reference to the root of the storage's element tree - */ - currentEntryId = currentEntry.dirRootEntry; - - /* - * Read - */ - StorageBaseImpl_ReadDirEntry(This, - currentEntry.dirRootEntry, - ¤tEntry); - - previous = currentEntry.leftChild; - next = currentEntry.rightChild; - current = currentEntryId; - - while (!found) - { - LONG diff = entryNameCmp( newEntry.name, currentEntry.name); - - if (diff < 0) - { - if (previous != DIRENTRY_NULL) - { - StorageBaseImpl_ReadDirEntry(This, - previous, - ¤tEntry); - current = previous; - } - else - { - currentEntry.leftChild = newEntryIndex; - StorageBaseImpl_WriteDirEntry(This, - current, - ¤tEntry); - found = TRUE; - } - } - else if (diff > 0) - { - if (next != DIRENTRY_NULL) - { - StorageBaseImpl_ReadDirEntry(This, - next, - ¤tEntry); - current = next; - } - else - { - currentEntry.rightChild = newEntryIndex; - StorageBaseImpl_WriteDirEntry(This, - current, - ¤tEntry); - found = TRUE; - } - } - else - { - /* - * Trying to insert an item with the same name in the - * subtree structure. - */ - return STG_E_FILEALREADYEXISTS; - } - - previous = currentEntry.leftChild; - next = currentEntry.rightChild; - } - } - else - { - /* - * The storage is empty, make the new entry the root of its element tree - */ - currentEntry.dirRootEntry = newEntryIndex; - StorageBaseImpl_WriteDirEntry(This, - parentStorageIndex, - ¤tEntry); - } - - return S_OK; -} - -/************************************************************************* - * - * Internal Method - * - * This method removes a directory entry from its parent storage tree without - * freeing any resources attached to it. - */ -static HRESULT removeFromTree( - StorageBaseImpl *This, - DirRef parentStorageIndex, - DirRef deletedIndex) -{ - DirEntry entryToDelete; - DirEntry parentEntry; - DirRef parentEntryRef; - ULONG typeOfRelation; - HRESULT hr; - - hr = StorageBaseImpl_ReadDirEntry(This, deletedIndex, &entryToDelete); - - if (hr != S_OK) - return hr; - - /* - * Find the element that links to the one we want to delete. - */ - hr = findTreeParent(This, parentStorageIndex, entryToDelete.name, - &parentEntry, &parentEntryRef, &typeOfRelation); - - if (hr != S_OK) - return hr; - - if (entryToDelete.leftChild != DIRENTRY_NULL) - { - /* - * Replace the deleted entry with its left child - */ - setEntryLink(&parentEntry, typeOfRelation, entryToDelete.leftChild); - - hr = StorageBaseImpl_WriteDirEntry( - This, - parentEntryRef, - &parentEntry); - if(FAILED(hr)) - { - return hr; - } - - if (entryToDelete.rightChild != DIRENTRY_NULL) - { - /* - * We need to reinsert the right child somewhere. We already know it and - * its children are greater than everything in the left tree, so we - * insert it at the rightmost point in the left tree. - */ - DirRef newRightChildParent = entryToDelete.leftChild; - DirEntry newRightChildParentEntry; - - do - { - hr = StorageBaseImpl_ReadDirEntry( - This, - newRightChildParent, - &newRightChildParentEntry); - if (FAILED(hr)) - { - return hr; - } - - if (newRightChildParentEntry.rightChild != DIRENTRY_NULL) - newRightChildParent = newRightChildParentEntry.rightChild; - } while (newRightChildParentEntry.rightChild != DIRENTRY_NULL); - - newRightChildParentEntry.rightChild = entryToDelete.rightChild; - - hr = StorageBaseImpl_WriteDirEntry( - This, - newRightChildParent, - &newRightChildParentEntry); - if (FAILED(hr)) - { - return hr; - } - } - } - else - { - /* - * Replace the deleted entry with its right child - */ - setEntryLink(&parentEntry, typeOfRelation, entryToDelete.rightChild); - - hr = StorageBaseImpl_WriteDirEntry( - This, - parentEntryRef, - &parentEntry); - if(FAILED(hr)) - { - return hr; - } - } - - return hr; -} - - -/************************************************************************ - * IEnumSTATSTGImpl implementation for StorageBaseImpl_EnumElements - ***********************************************************************/ - -/* - * IEnumSTATSTGImpl definitions. - * - * Definition of the implementation structure for the IEnumSTATSTGImpl interface. - * This class allows iterating through the content of a storage and finding - * specific items inside it. - */ -struct IEnumSTATSTGImpl -{ - IEnumSTATSTG IEnumSTATSTG_iface; - - LONG ref; /* Reference count */ - StorageBaseImpl* parentStorage; /* Reference to the parent storage */ - DirRef storageDirEntry; /* Directory entry of the storage to enumerate */ - - WCHAR name[DIRENTRY_NAME_MAX_LEN]; /* The most recent name visited */ -}; - -static inline IEnumSTATSTGImpl *impl_from_IEnumSTATSTG(IEnumSTATSTG *iface) -{ - return CONTAINING_RECORD(iface, IEnumSTATSTGImpl, IEnumSTATSTG_iface); -} - -static void IEnumSTATSTGImpl_Destroy(IEnumSTATSTGImpl* This) -{ - IStorage_Release(&This->parentStorage->IStorage_iface); - HeapFree(GetProcessHeap(), 0, This); -} - -static HRESULT WINAPI IEnumSTATSTGImpl_QueryInterface( - IEnumSTATSTG* iface, - REFIID riid, - void** ppvObject) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - - TRACE("%p,%s,%p\n", iface, debugstr_guid(riid), ppvObject); - - if (ppvObject==0) - return E_INVALIDARG; - - *ppvObject = 0; - - if (IsEqualGUID(&IID_IUnknown, riid) || - IsEqualGUID(&IID_IEnumSTATSTG, riid)) - { - *ppvObject = &This->IEnumSTATSTG_iface; - IEnumSTATSTG_AddRef(&This->IEnumSTATSTG_iface); - TRACE("<-- %p\n", *ppvObject); - return S_OK; - } - - TRACE("<-- E_NOINTERFACE\n"); - return E_NOINTERFACE; -} - -static ULONG WINAPI IEnumSTATSTGImpl_AddRef( - IEnumSTATSTG* iface) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - return InterlockedIncrement(&This->ref); -} - -static ULONG WINAPI IEnumSTATSTGImpl_Release( - IEnumSTATSTG* iface) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - - ULONG newRef; - - newRef = InterlockedDecrement(&This->ref); - - if (newRef==0) - { - IEnumSTATSTGImpl_Destroy(This); - } - - return newRef; -} - -static HRESULT IEnumSTATSTGImpl_GetNextRef( - IEnumSTATSTGImpl* This, - DirRef *ref) -{ - DirRef result = DIRENTRY_NULL; - DirRef searchNode; - DirEntry entry; - HRESULT hr; - WCHAR result_name[DIRENTRY_NAME_MAX_LEN]; - - TRACE("%p,%p\n", This, ref); - - hr = StorageBaseImpl_ReadDirEntry(This->parentStorage, - This->parentStorage->storageDirEntry, &entry); - searchNode = entry.dirRootEntry; - - while (SUCCEEDED(hr) && searchNode != DIRENTRY_NULL) - { - hr = StorageBaseImpl_ReadDirEntry(This->parentStorage, searchNode, &entry); - - if (SUCCEEDED(hr)) - { - LONG diff = entryNameCmp( entry.name, This->name); - - if (diff <= 0) - { - searchNode = entry.rightChild; - } - else - { - result = searchNode; - memcpy(result_name, entry.name, sizeof(result_name)); - searchNode = entry.leftChild; - } - } - } - - if (SUCCEEDED(hr)) - { - *ref = result; - if (result != DIRENTRY_NULL) - memcpy(This->name, result_name, sizeof(result_name)); - } - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT WINAPI IEnumSTATSTGImpl_Next( - IEnumSTATSTG* iface, - ULONG celt, - STATSTG* rgelt, - ULONG* pceltFetched) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - - DirEntry currentEntry; - STATSTG* currentReturnStruct = rgelt; - ULONG objectFetched = 0; - DirRef currentSearchNode; - HRESULT hr=S_OK; - - TRACE("%p, %lu, %p, %p.\n", iface, celt, rgelt, pceltFetched); - - if ( (rgelt==0) || ( (celt!=1) && (pceltFetched==0) ) ) - return E_INVALIDARG; - - if (This->parentStorage->reverted) - { - TRACE("<-- STG_E_REVERTED\n"); - return STG_E_REVERTED; - } - - /* - * To avoid the special case, get another pointer to a ULONG value if - * the caller didn't supply one. - */ - if (pceltFetched==0) - pceltFetched = &objectFetched; - - /* - * Start the iteration, we will iterate until we hit the end of the - * linked list or until we hit the number of items to iterate through - */ - *pceltFetched = 0; - - while ( *pceltFetched < celt ) - { - hr = IEnumSTATSTGImpl_GetNextRef(This, ¤tSearchNode); - - if (FAILED(hr) || currentSearchNode == DIRENTRY_NULL) - { - memset(currentReturnStruct, 0, sizeof(*currentReturnStruct)); - break; - } - - /* - * Read the entry from the storage. - */ - hr = StorageBaseImpl_ReadDirEntry(This->parentStorage, - currentSearchNode, - ¤tEntry); - if (FAILED(hr)) break; - - /* - * Copy the information to the return buffer. - */ - StorageUtl_CopyDirEntryToSTATSTG(This->parentStorage, - currentReturnStruct, - ¤tEntry, - STATFLAG_DEFAULT); - - /* - * Step to the next item in the iteration - */ - (*pceltFetched)++; - currentReturnStruct++; - } - - if (SUCCEEDED(hr) && *pceltFetched != celt) - hr = S_FALSE; - - TRACE("<-- %#lx (asked %lu, got %lu)\n", hr, celt, *pceltFetched); - return hr; -} - - -static HRESULT WINAPI IEnumSTATSTGImpl_Skip( - IEnumSTATSTG* iface, - ULONG celt) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - - ULONG objectFetched = 0; - DirRef currentSearchNode; - HRESULT hr=S_OK; - - TRACE("%p, %lu.\n", iface, celt); - - if (This->parentStorage->reverted) - { - TRACE("<-- STG_E_REVERTED\n"); - return STG_E_REVERTED; - } - - while ( (objectFetched < celt) ) - { - hr = IEnumSTATSTGImpl_GetNextRef(This, ¤tSearchNode); - - if (FAILED(hr) || currentSearchNode == DIRENTRY_NULL) - break; - - objectFetched++; - } - - if (SUCCEEDED(hr) && objectFetched != celt) - return S_FALSE; - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT WINAPI IEnumSTATSTGImpl_Reset( - IEnumSTATSTG* iface) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - - TRACE("%p\n", iface); - - if (This->parentStorage->reverted) - { - TRACE("<-- STG_E_REVERTED\n"); - return STG_E_REVERTED; - } - - This->name[0] = 0; - - return S_OK; -} - -static IEnumSTATSTGImpl* IEnumSTATSTGImpl_Construct(StorageBaseImpl*,DirRef); - -static HRESULT WINAPI IEnumSTATSTGImpl_Clone( - IEnumSTATSTG* iface, - IEnumSTATSTG** ppenum) -{ - IEnumSTATSTGImpl* const This = impl_from_IEnumSTATSTG(iface); - IEnumSTATSTGImpl* newClone; - - TRACE("%p,%p\n", iface, ppenum); - - if (This->parentStorage->reverted) - { - TRACE("<-- STG_E_REVERTED\n"); - return STG_E_REVERTED; - } - - if (ppenum==0) - return E_INVALIDARG; - - newClone = IEnumSTATSTGImpl_Construct(This->parentStorage, - This->storageDirEntry); - if (!newClone) - { - *ppenum = NULL; - return E_OUTOFMEMORY; - } - - /* - * The new clone enumeration must point to the same current node as - * the old one. - */ - memcpy(newClone->name, This->name, sizeof(newClone->name)); - - *ppenum = &newClone->IEnumSTATSTG_iface; - - return S_OK; -} - -/* - * Virtual function table for the IEnumSTATSTGImpl class. - */ -static const IEnumSTATSTGVtbl IEnumSTATSTGImpl_Vtbl = -{ - IEnumSTATSTGImpl_QueryInterface, - IEnumSTATSTGImpl_AddRef, - IEnumSTATSTGImpl_Release, - IEnumSTATSTGImpl_Next, - IEnumSTATSTGImpl_Skip, - IEnumSTATSTGImpl_Reset, - IEnumSTATSTGImpl_Clone -}; - -static IEnumSTATSTGImpl* IEnumSTATSTGImpl_Construct( - StorageBaseImpl* parentStorage, - DirRef storageDirEntry) -{ - IEnumSTATSTGImpl* newEnumeration; - - newEnumeration = HeapAlloc(GetProcessHeap(), 0, sizeof(IEnumSTATSTGImpl)); - - if (newEnumeration) - { - newEnumeration->IEnumSTATSTG_iface.lpVtbl = &IEnumSTATSTGImpl_Vtbl; - newEnumeration->ref = 1; - newEnumeration->name[0] = 0; - - /* - * We want to nail-down the reference to the storage in case the - * enumeration out-lives the storage in the client application. - */ - newEnumeration->parentStorage = parentStorage; - IStorage_AddRef(&newEnumeration->parentStorage->IStorage_iface); - - newEnumeration->storageDirEntry = storageDirEntry; - } - - return newEnumeration; -} - - -/************************************************************************ - * StorageBaseImpl implementation - ***********************************************************************/ - -static inline StorageBaseImpl *impl_from_IStorage( IStorage *iface ) -{ - return CONTAINING_RECORD(iface, StorageBaseImpl, IStorage_iface); -} - -/************************************************************************ - * StorageBaseImpl_QueryInterface (IUnknown) - * - * This method implements the common QueryInterface for all IStorage - * implementations contained in this file. - * - * See Windows documentation for more details on IUnknown methods. - */ -static HRESULT WINAPI StorageBaseImpl_QueryInterface( - IStorage* iface, - REFIID riid, - void** ppvObject) -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - - TRACE("%p,%s,%p\n", iface, debugstr_guid(riid), ppvObject); - - if (!ppvObject) - return E_INVALIDARG; - - *ppvObject = 0; - - if (IsEqualGUID(&IID_IUnknown, riid) || - IsEqualGUID(&IID_IStorage, riid)) - { - *ppvObject = &This->IStorage_iface; - } - else if (IsEqualGUID(&IID_IPropertySetStorage, riid)) - { - *ppvObject = &This->IPropertySetStorage_iface; - } - /* locking interface is reported for writer only */ - else if (IsEqualGUID(&IID_IDirectWriterLock, riid) && This->lockingrole == SWMR_Writer) - { - *ppvObject = &This->IDirectWriterLock_iface; - } - else - { - TRACE("<-- E_NOINTERFACE\n"); - return E_NOINTERFACE; - } - - IStorage_AddRef(iface); - TRACE("<-- %p\n", *ppvObject); - return S_OK; -} - -/************************************************************************ - * StorageBaseImpl_AddRef (IUnknown) - * - * This method implements the common AddRef for all IStorage - * implementations contained in this file. - * - * See Windows documentation for more details on IUnknown methods. - */ -static ULONG WINAPI StorageBaseImpl_AddRef( - IStorage* iface) -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - ULONG ref = InterlockedIncrement(&This->ref); - - TRACE("%p, refcount %lu.\n", iface, ref); - - return ref; -} - -/************************************************************************ - * StorageBaseImpl_Release (IUnknown) - * - * This method implements the common Release for all IStorage - * implementations contained in this file. - * - * See Windows documentation for more details on IUnknown methods. - */ -static ULONG WINAPI StorageBaseImpl_Release( - IStorage* iface) -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - - ULONG ref = InterlockedDecrement(&This->ref); - - TRACE("%p, refcount %lu.\n", iface, ref); - - if (ref == 0) - { - /* - * Since we are using a system of base-classes, we want to call the - * destructor of the appropriate derived class. To do this, we are - * using virtual functions to implement the destructor. - */ - StorageBaseImpl_Destroy(This); - } - - return ref; -} - -static HRESULT StorageBaseImpl_CopyStorageEntryTo(StorageBaseImpl *This, - DirRef srcEntry, BOOL skip_storage, BOOL skip_stream, - SNB snbExclude, IStorage *pstgDest); - -static HRESULT StorageBaseImpl_CopyChildEntryTo(StorageBaseImpl *This, - DirRef srcEntry, BOOL skip_storage, BOOL skip_stream, - SNB snbExclude, IStorage *pstgDest) -{ - DirEntry data; - HRESULT hr; - BOOL skip = FALSE; - IStorage *pstgTmp; - IStream *pstrChild, *pstrTmp; - STATSTG strStat; - - if (srcEntry == DIRENTRY_NULL) - return S_OK; - - hr = StorageBaseImpl_ReadDirEntry( This, srcEntry, &data ); - - if (FAILED(hr)) - return hr; - - if ( snbExclude ) - { - WCHAR **snb = snbExclude; - - while ( *snb != NULL && !skip ) - { - if ( wcscmp(data.name, *snb) == 0 ) - skip = TRUE; - ++snb; - } - } - - if (!skip) - { - if (data.stgType == STGTY_STORAGE && !skip_storage) - { - /* - * create a new storage in destination storage - */ - hr = IStorage_CreateStorage( pstgDest, data.name, - STGM_FAILIFTHERE|STGM_WRITE|STGM_SHARE_EXCLUSIVE, - 0, 0, - &pstgTmp ); - - /* - * if it already exist, don't create a new one use this one - */ - if (hr == STG_E_FILEALREADYEXISTS) - { - hr = IStorage_OpenStorage( pstgDest, data.name, NULL, - STGM_WRITE|STGM_SHARE_EXCLUSIVE, - NULL, 0, &pstgTmp ); - } - - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_CopyStorageEntryTo( This, srcEntry, skip_storage, - skip_stream, NULL, pstgTmp ); - - IStorage_Release(pstgTmp); - } - } - else if (data.stgType == STGTY_STREAM && !skip_stream) - { - /* - * create a new stream in destination storage. If the stream already - * exist, it will be deleted and a new one will be created. - */ - hr = IStorage_CreateStream( pstgDest, data.name, - STGM_CREATE|STGM_WRITE|STGM_SHARE_EXCLUSIVE, - 0, 0, &pstrTmp ); - - /* - * open child stream storage. This operation must succeed even if the - * stream is already open, so we use internal functions to do it. - */ - if (hr == S_OK) - { - StgStreamImpl *streamimpl = StgStreamImpl_Construct(This, STGM_READ|STGM_SHARE_EXCLUSIVE, srcEntry); - - if (streamimpl) - { - pstrChild = &streamimpl->IStream_iface; - if (pstrChild) - IStream_AddRef(pstrChild); - } - else - { - pstrChild = NULL; - hr = E_OUTOFMEMORY; - } - } - - if (hr == S_OK) - { - /* - * Get the size of the source stream - */ - IStream_Stat( pstrChild, &strStat, STATFLAG_NONAME ); - - /* - * Set the size of the destination stream. - */ - IStream_SetSize(pstrTmp, strStat.cbSize); - - /* - * do the copy - */ - hr = IStream_CopyTo( pstrChild, pstrTmp, strStat.cbSize, - NULL, NULL ); - - IStream_Release( pstrChild ); - } - - IStream_Release( pstrTmp ); - } - } - - /* copy siblings */ - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_CopyChildEntryTo( This, data.leftChild, skip_storage, - skip_stream, snbExclude, pstgDest ); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_CopyChildEntryTo( This, data.rightChild, skip_storage, - skip_stream, snbExclude, pstgDest ); - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static BOOL StorageBaseImpl_IsStreamOpen(StorageBaseImpl * stg, DirRef streamEntry) -{ - StgStreamImpl *strm; - - TRACE("%p, %ld.\n", stg, streamEntry); - - LIST_FOR_EACH_ENTRY(strm, &stg->strmHead, StgStreamImpl, StrmListEntry) - { - if (strm->dirEntry == streamEntry) - { - return TRUE; - } - } - - return FALSE; -} - -static BOOL StorageBaseImpl_IsStorageOpen(StorageBaseImpl * stg, DirRef storageEntry) -{ - StorageInternalImpl *childstg; - - TRACE("%p, %ld.\n", stg, storageEntry); - - LIST_FOR_EACH_ENTRY(childstg, &stg->storageHead, StorageInternalImpl, ParentListEntry) - { - if (childstg->base.storageDirEntry == storageEntry) - { - return TRUE; - } - } - - return FALSE; -} - -/************************************************************************ - * StorageBaseImpl_OpenStream (IStorage) - * - * This method will open the specified stream object from the current storage. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_OpenStream( - IStorage* iface, - const OLECHAR* pwcsName, /* [string][in] */ - void* reserved1, /* [unique][in] */ - DWORD grfMode, /* [in] */ - DWORD reserved2, /* [in] */ - IStream** ppstm) /* [out] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - StgStreamImpl* newStream; - DirEntry currentEntry; - DirRef streamEntryRef; - HRESULT res = STG_E_UNKNOWN; - - TRACE("%p, %s, %p, %#lx, %ld, %p.\n", iface, debugstr_w(pwcsName), reserved1, grfMode, reserved2, ppstm); - - if ( (pwcsName==NULL) || (ppstm==0) ) - { - res = E_INVALIDARG; - goto end; - } - - *ppstm = NULL; - - if ( FAILED( validateSTGM(grfMode) ) || - STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE) - { - res = STG_E_INVALIDFLAG; - goto end; - } - - /* - * As documented. - */ - if ( (grfMode & STGM_DELETEONRELEASE) || (grfMode & STGM_TRANSACTED) ) - { - res = STG_E_INVALIDFUNCTION; - goto end; - } - - if (This->reverted) - { - res = STG_E_REVERTED; - goto end; - } - - /* - * Check that we're compatible with the parent's storage mode, but - * only if we are not in transacted mode - */ - if(!(This->openFlags & STGM_TRANSACTED)) { - if ( STGM_ACCESS_MODE( grfMode ) > STGM_ACCESS_MODE( This->openFlags ) ) - { - res = STG_E_INVALIDFLAG; - goto end; - } - } - - /* - * Search for the element with the given name - */ - streamEntryRef = findElement( - This, - This->storageDirEntry, - pwcsName, - ¤tEntry); - - /* - * If it was found, construct the stream object and return a pointer to it. - */ - if ( (streamEntryRef!=DIRENTRY_NULL) && - (currentEntry.stgType==STGTY_STREAM) ) - { - if (StorageBaseImpl_IsStreamOpen(This, streamEntryRef)) - { - /* A single stream cannot be opened a second time. */ - res = STG_E_ACCESSDENIED; - goto end; - } - - newStream = StgStreamImpl_Construct(This, grfMode, streamEntryRef); - - if (newStream) - { - newStream->grfMode = grfMode; - *ppstm = &newStream->IStream_iface; - - IStream_AddRef(*ppstm); - - res = S_OK; - goto end; - } - - res = E_OUTOFMEMORY; - goto end; - } - - res = STG_E_FILENOTFOUND; - -end: - if (res == S_OK) - TRACE("<-- IStream %p\n", *ppstm); - TRACE("<-- %#lx\n", res); - return res; -} - -/************************************************************************ - * StorageBaseImpl_OpenStorage (IStorage) - * - * This method will open a new storage object from the current storage. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_OpenStorage( - IStorage* iface, - const OLECHAR* pwcsName, /* [string][unique][in] */ - IStorage* pstgPriority, /* [unique][in] */ - DWORD grfMode, /* [in] */ - SNB snbExclude, /* [unique][in] */ - DWORD reserved, /* [in] */ - IStorage** ppstg) /* [out] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - StorageInternalImpl* newStorage; - StorageBaseImpl* newTransactedStorage; - DirEntry currentEntry; - DirRef storageEntryRef; - HRESULT res = STG_E_UNKNOWN; - - TRACE("%p, %s, %p, %#lx, %p, %ld, %p.\n", iface, debugstr_w(pwcsName), pstgPriority, - grfMode, snbExclude, reserved, ppstg); - - if ((pwcsName==NULL) || (ppstg==0) ) - { - res = E_INVALIDARG; - goto end; - } - - if (This->openFlags & STGM_SIMPLE) - { - res = STG_E_INVALIDFUNCTION; - goto end; - } - - /* as documented */ - if (snbExclude != NULL) - { - res = STG_E_INVALIDPARAMETER; - goto end; - } - - if ( FAILED( validateSTGM(grfMode) )) - { - res = STG_E_INVALIDFLAG; - goto end; - } - - /* - * As documented. - */ - if ( STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE || - (grfMode & STGM_DELETEONRELEASE) || - (grfMode & STGM_PRIORITY) ) - { - res = STG_E_INVALIDFUNCTION; - goto end; - } - - if (This->reverted) - return STG_E_REVERTED; - - /* - * Check that we're compatible with the parent's storage mode, - * but only if we are not transacted - */ - if(!(This->openFlags & STGM_TRANSACTED)) { - if ( STGM_ACCESS_MODE( grfMode ) > STGM_ACCESS_MODE( This->openFlags ) ) - { - res = STG_E_ACCESSDENIED; - goto end; - } - } - - *ppstg = NULL; - - storageEntryRef = findElement( - This, - This->storageDirEntry, - pwcsName, - ¤tEntry); - - if ( (storageEntryRef!=DIRENTRY_NULL) && - (currentEntry.stgType==STGTY_STORAGE) ) - { - if (StorageBaseImpl_IsStorageOpen(This, storageEntryRef)) - { - /* A single storage cannot be opened a second time. */ - res = STG_E_ACCESSDENIED; - goto end; - } - - newStorage = StorageInternalImpl_Construct( - This, - grfMode, - storageEntryRef); - - if (newStorage != 0) - { - if (grfMode & STGM_TRANSACTED) - { - res = Storage_ConstructTransacted(&newStorage->base, FALSE, &newTransactedStorage); - - if (FAILED(res)) - { - HeapFree(GetProcessHeap(), 0, newStorage); - goto end; - } - - *ppstg = &newTransactedStorage->IStorage_iface; - } - else - { - *ppstg = &newStorage->base.IStorage_iface; - } - - list_add_tail(&This->storageHead, &newStorage->ParentListEntry); - - res = S_OK; - goto end; - } - - res = STG_E_INSUFFICIENTMEMORY; - goto end; - } - - res = STG_E_FILENOTFOUND; - -end: - TRACE("<-- %#lx\n", res); - return res; -} - -/************************************************************************ - * StorageBaseImpl_EnumElements (IStorage) - * - * This method will create an enumerator object that can be used to - * retrieve information about all the elements in the storage object. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_EnumElements( - IStorage* iface, - DWORD reserved1, /* [in] */ - void* reserved2, /* [size_is][unique][in] */ - DWORD reserved3, /* [in] */ - IEnumSTATSTG** ppenum) /* [out] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - IEnumSTATSTGImpl* newEnum; - - TRACE("%p, %ld, %p, %ld, %p.\n", iface, reserved1, reserved2, reserved3, ppenum); - - if (!ppenum) - return E_INVALIDARG; - - if (This->reverted) - return STG_E_REVERTED; - - newEnum = IEnumSTATSTGImpl_Construct( - This, - This->storageDirEntry); - - if (newEnum) - { - *ppenum = &newEnum->IEnumSTATSTG_iface; - return S_OK; - } - - return E_OUTOFMEMORY; -} - -/************************************************************************ - * StorageBaseImpl_Stat (IStorage) - * - * This method will retrieve information about this storage object. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_Stat( - IStorage* iface, - STATSTG* pstatstg, /* [out] */ - DWORD grfStatFlag) /* [in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - DirEntry currentEntry; - HRESULT res = STG_E_UNKNOWN; - - TRACE("%p, %p, %#lx.\n", iface, pstatstg, grfStatFlag); - - if (!pstatstg) - { - res = E_INVALIDARG; - goto end; - } - - if (This->reverted) - { - res = STG_E_REVERTED; - goto end; - } - - res = StorageBaseImpl_ReadDirEntry( - This, - This->storageDirEntry, - ¤tEntry); - - if (SUCCEEDED(res)) - { - StorageUtl_CopyDirEntryToSTATSTG( - This, - pstatstg, - ¤tEntry, - grfStatFlag); - - pstatstg->grfMode = This->openFlags; - pstatstg->grfStateBits = This->stateBits; - } - -end: - if (res == S_OK) - { - TRACE("<-- STATSTG: pwcsName: %s, type: %ld, cbSize.Low/High: %ld/%ld, grfMode: %#lx, grfLocksSupported: %ld, grfStateBits: %#lx\n", debugstr_w(pstatstg->pwcsName), pstatstg->type, pstatstg->cbSize.LowPart, pstatstg->cbSize.HighPart, pstatstg->grfMode, pstatstg->grfLocksSupported, pstatstg->grfStateBits); - } - TRACE("<-- %#lx\n", res); - return res; -} - -/************************************************************************ - * StorageBaseImpl_RenameElement (IStorage) - * - * This method will rename the specified element. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_RenameElement( - IStorage* iface, - const OLECHAR* pwcsOldName, /* [in] */ - const OLECHAR* pwcsNewName) /* [in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - DirEntry currentEntry; - DirRef currentEntryRef; - - TRACE("(%p, %s, %s)\n", - iface, debugstr_w(pwcsOldName), debugstr_w(pwcsNewName)); - - if (This->reverted) - return STG_E_REVERTED; - - currentEntryRef = findElement(This, - This->storageDirEntry, - pwcsNewName, - ¤tEntry); - - if (currentEntryRef != DIRENTRY_NULL) - { - /* - * There is already an element with the new name - */ - return STG_E_FILEALREADYEXISTS; - } - - /* - * Search for the old element name - */ - currentEntryRef = findElement(This, - This->storageDirEntry, - pwcsOldName, - ¤tEntry); - - if (currentEntryRef != DIRENTRY_NULL) - { - if (StorageBaseImpl_IsStreamOpen(This, currentEntryRef) || - StorageBaseImpl_IsStorageOpen(This, currentEntryRef)) - { - WARN("Element is already open; cannot rename.\n"); - return STG_E_ACCESSDENIED; - } - - /* Remove the element from its current position in the tree */ - removeFromTree(This, This->storageDirEntry, - currentEntryRef); - - /* Change the name of the element */ - lstrcpyW(currentEntry.name, pwcsNewName); - - /* Delete any sibling links */ - currentEntry.leftChild = DIRENTRY_NULL; - currentEntry.rightChild = DIRENTRY_NULL; - - StorageBaseImpl_WriteDirEntry(This, currentEntryRef, - ¤tEntry); - - /* Insert the element in a new position in the tree */ - insertIntoTree(This, This->storageDirEntry, - currentEntryRef); - } - else - { - /* - * There is no element with the old name - */ - return STG_E_FILENOTFOUND; - } - - return StorageBaseImpl_Flush(This); -} - -/************************************************************************ - * StorageBaseImpl_CreateStream (IStorage) - * - * This method will create a stream object within this storage - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_CreateStream( - IStorage* iface, - const OLECHAR* pwcsName, /* [string][in] */ - DWORD grfMode, /* [in] */ - DWORD reserved1, /* [in] */ - DWORD reserved2, /* [in] */ - IStream** ppstm) /* [out] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - StgStreamImpl* newStream; - DirEntry currentEntry, newStreamEntry; - DirRef currentEntryRef, newStreamEntryRef; - HRESULT hr; - - TRACE("%p, %s, %#lx, %ld, %ld, %p.\n", iface, debugstr_w(pwcsName), grfMode, reserved1, reserved2, ppstm); - - if (ppstm == 0) - return STG_E_INVALIDPOINTER; - - if (pwcsName == 0) - return STG_E_INVALIDNAME; - - if (reserved1 || reserved2) - return STG_E_INVALIDPARAMETER; - - if ( FAILED( validateSTGM(grfMode) )) - return STG_E_INVALIDFLAG; - - if (STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE) - return STG_E_INVALIDFLAG; - - if (This->reverted) - return STG_E_REVERTED; - - /* - * As documented. - */ - if ((grfMode & STGM_DELETEONRELEASE) || - (grfMode & STGM_TRANSACTED)) - return STG_E_INVALIDFUNCTION; - - /* - * Don't worry about permissions in transacted mode, as we can always write - * changes; we just can't always commit them. - */ - if(!(This->openFlags & STGM_TRANSACTED)) { - /* Can't create a stream on read-only storage */ - if ( STGM_ACCESS_MODE( This->openFlags ) == STGM_READ ) - return STG_E_ACCESSDENIED; - - /* Can't create a stream with greater access than the parent. */ - if ( STGM_ACCESS_MODE( grfMode ) > STGM_ACCESS_MODE( This->openFlags ) ) - return STG_E_ACCESSDENIED; - } - - if(This->openFlags & STGM_SIMPLE) - if(grfMode & STGM_CREATE) return STG_E_INVALIDFLAG; - - *ppstm = 0; - - currentEntryRef = findElement(This, - This->storageDirEntry, - pwcsName, - ¤tEntry); - - if (currentEntryRef != DIRENTRY_NULL) - { - /* - * An element with this name already exists - */ - if (STGM_CREATE_MODE(grfMode) == STGM_CREATE) - { - IStorage_DestroyElement(iface, pwcsName); - } - else - return STG_E_FILEALREADYEXISTS; - } - - /* - * memset the empty entry - */ - memset(&newStreamEntry, 0, sizeof(DirEntry)); - - newStreamEntry.sizeOfNameString = - ( lstrlenW(pwcsName)+1 ) * sizeof(WCHAR); - - if (newStreamEntry.sizeOfNameString > DIRENTRY_NAME_BUFFER_LEN) - return STG_E_INVALIDNAME; - - lstrcpyW(newStreamEntry.name, pwcsName); - - newStreamEntry.stgType = STGTY_STREAM; - newStreamEntry.startingBlock = BLOCK_END_OF_CHAIN; - newStreamEntry.size.LowPart = 0; - newStreamEntry.size.HighPart = 0; - - newStreamEntry.leftChild = DIRENTRY_NULL; - newStreamEntry.rightChild = DIRENTRY_NULL; - newStreamEntry.dirRootEntry = DIRENTRY_NULL; - - /* call CoFileTime to get the current time - newStreamEntry.ctime - newStreamEntry.mtime - */ - - /* newStreamEntry.clsid */ - - /* - * Create an entry with the new data - */ - hr = StorageBaseImpl_CreateDirEntry(This, &newStreamEntry, &newStreamEntryRef); - if (FAILED(hr)) - return hr; - - /* - * Insert the new entry in the parent storage's tree. - */ - hr = insertIntoTree( - This, - This->storageDirEntry, - newStreamEntryRef); - if (FAILED(hr)) - { - StorageBaseImpl_DestroyDirEntry(This, newStreamEntryRef); - return hr; - } - - /* - * Open the stream to return it. - */ - newStream = StgStreamImpl_Construct(This, grfMode, newStreamEntryRef); - - if (newStream) - { - *ppstm = &newStream->IStream_iface; - IStream_AddRef(*ppstm); - } - else - { - return STG_E_INSUFFICIENTMEMORY; - } - - return StorageBaseImpl_Flush(This); -} - -/************************************************************************ - * StorageBaseImpl_SetClass (IStorage) - * - * This method will write the specified CLSID in the directory entry of this - * storage. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_SetClass( - IStorage* iface, - REFCLSID clsid) /* [in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - HRESULT hRes; - DirEntry currentEntry; - - TRACE("(%p, %s)\n", iface, wine_dbgstr_guid(clsid)); - - if (This->reverted) - return STG_E_REVERTED; - - hRes = StorageBaseImpl_ReadDirEntry(This, - This->storageDirEntry, - ¤tEntry); - if (SUCCEEDED(hRes)) - { - currentEntry.clsid = *clsid; - - hRes = StorageBaseImpl_WriteDirEntry(This, - This->storageDirEntry, - ¤tEntry); - } - - if (SUCCEEDED(hRes)) - hRes = StorageBaseImpl_Flush(This); - - return hRes; -} - -/************************************************************************ - * StorageBaseImpl_CreateStorage (IStorage) - * - * This method will create the storage object within the provided storage. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT WINAPI StorageBaseImpl_CreateStorage( - IStorage* iface, - const OLECHAR *pwcsName, /* [string][in] */ - DWORD grfMode, /* [in] */ - DWORD reserved1, /* [in] */ - DWORD reserved2, /* [in] */ - IStorage **ppstg) /* [out] */ -{ - StorageBaseImpl* This = impl_from_IStorage(iface); - - DirEntry currentEntry; - DirEntry newEntry; - DirRef currentEntryRef; - DirRef newEntryRef; - HRESULT hr; - - TRACE("%p, %s, %#lx, %ld, %ld, %p.\n", iface, debugstr_w(pwcsName), grfMode, - reserved1, reserved2, ppstg); - - if (ppstg == 0) - return STG_E_INVALIDPOINTER; - - if (This->openFlags & STGM_SIMPLE) - { - return STG_E_INVALIDFUNCTION; - } - - if (pwcsName == 0) - return STG_E_INVALIDNAME; - - *ppstg = NULL; - - if ( FAILED( validateSTGM(grfMode) ) || - (grfMode & STGM_DELETEONRELEASE) ) - { - WARN("bad grfMode: %#lx\n", grfMode); - return STG_E_INVALIDFLAG; - } - - if (This->reverted) - return STG_E_REVERTED; - - /* - * Check that we're compatible with the parent's storage mode - */ - if ( !(This->openFlags & STGM_TRANSACTED) && - STGM_ACCESS_MODE( grfMode ) > STGM_ACCESS_MODE( This->openFlags ) ) - { - WARN("access denied\n"); - return STG_E_ACCESSDENIED; - } - - currentEntryRef = findElement(This, - This->storageDirEntry, - pwcsName, - ¤tEntry); - - if (currentEntryRef != DIRENTRY_NULL) - { - /* - * An element with this name already exists - */ - if (STGM_CREATE_MODE(grfMode) == STGM_CREATE && - ((This->openFlags & STGM_TRANSACTED) || - STGM_ACCESS_MODE(This->openFlags) != STGM_READ)) - { - hr = IStorage_DestroyElement(iface, pwcsName); - if (FAILED(hr)) - return hr; - } - else - { - WARN("file already exists\n"); - return STG_E_FILEALREADYEXISTS; - } - } - else if (!(This->openFlags & STGM_TRANSACTED) && - STGM_ACCESS_MODE(This->openFlags) == STGM_READ) - { - WARN("read-only storage\n"); - return STG_E_ACCESSDENIED; - } - - memset(&newEntry, 0, sizeof(DirEntry)); - - newEntry.sizeOfNameString = (lstrlenW(pwcsName)+1)*sizeof(WCHAR); - - if (newEntry.sizeOfNameString > DIRENTRY_NAME_BUFFER_LEN) - { - FIXME("name too long\n"); - return STG_E_INVALIDNAME; - } - - lstrcpyW(newEntry.name, pwcsName); - - newEntry.stgType = STGTY_STORAGE; - newEntry.startingBlock = BLOCK_END_OF_CHAIN; - newEntry.size.LowPart = 0; - newEntry.size.HighPart = 0; - - newEntry.leftChild = DIRENTRY_NULL; - newEntry.rightChild = DIRENTRY_NULL; - newEntry.dirRootEntry = DIRENTRY_NULL; - - /* call CoFileTime to get the current time - newEntry.ctime - newEntry.mtime - */ - - /* newEntry.clsid */ - - /* - * Create a new directory entry for the storage - */ - hr = StorageBaseImpl_CreateDirEntry(This, &newEntry, &newEntryRef); - if (FAILED(hr)) - return hr; - - /* - * Insert the new directory entry into the parent storage's tree - */ - hr = insertIntoTree( - This, - This->storageDirEntry, - newEntryRef); - if (FAILED(hr)) - { - StorageBaseImpl_DestroyDirEntry(This, newEntryRef); - return hr; - } - - /* - * Open it to get a pointer to return. - */ - hr = IStorage_OpenStorage(iface, pwcsName, 0, grfMode, 0, 0, ppstg); - - if( (hr != S_OK) || (*ppstg == NULL)) - { - return hr; - } - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This); - - return S_OK; -} - -static HRESULT StorageBaseImpl_CopyStorageEntryTo(StorageBaseImpl *This, - DirRef srcEntry, BOOL skip_storage, BOOL skip_stream, - SNB snbExclude, IStorage *pstgDest) -{ - DirEntry data; - HRESULT hr; - - hr = StorageBaseImpl_ReadDirEntry( This, srcEntry, &data ); - - if (SUCCEEDED(hr)) - hr = IStorage_SetClass( pstgDest, &data.clsid ); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_CopyChildEntryTo( This, data.dirRootEntry, skip_storage, - skip_stream, snbExclude, pstgDest ); - - TRACE("<-- %#lx\n", hr); - return hr; -} - -/************************************************************************* - * CopyTo (IStorage) - */ -static HRESULT WINAPI StorageBaseImpl_CopyTo( - IStorage* iface, - DWORD ciidExclude, /* [in] */ - const IID* rgiidExclude, /* [size_is][unique][in] */ - SNB snbExclude, /* [unique][in] */ - IStorage* pstgDest) /* [unique][in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - - BOOL skip_storage = FALSE, skip_stream = FALSE; - DWORD i; - - TRACE("%p, %ld, %p, %p, %p.\n", iface, ciidExclude, rgiidExclude, snbExclude, pstgDest); - - if ( pstgDest == 0 ) - return STG_E_INVALIDPOINTER; - - for(i = 0; i < ciidExclude; ++i) - { - if(IsEqualGUID(&IID_IStorage, &rgiidExclude[i])) - skip_storage = TRUE; - else if(IsEqualGUID(&IID_IStream, &rgiidExclude[i])) - skip_stream = TRUE; - else - WARN("Unknown excluded GUID: %s\n", debugstr_guid(&rgiidExclude[i])); - } - - if (!skip_storage) - { - /* Give up early if it looks like this would be infinitely recursive. - * Oddly enough, this includes some cases that aren't really recursive, like - * copying to a transacted child. */ - IStorage *pstgDestAncestor = pstgDest; - IStorage *pstgDestAncestorChild = NULL; - - /* Go up the chain from the destination until we find the source storage. */ - while (pstgDestAncestor != iface) { - pstgDestAncestorChild = pstgDest; - - if (pstgDestAncestor->lpVtbl == &TransactedSnapshotImpl_Vtbl) - { - TransactedSnapshotImpl *snapshot = (TransactedSnapshotImpl*) pstgDestAncestor; - - pstgDestAncestor = &snapshot->transactedParent->IStorage_iface; - } - else if (pstgDestAncestor->lpVtbl == &StorageInternalImpl_Vtbl) - { - StorageInternalImpl *internal = (StorageInternalImpl*) pstgDestAncestor; - - pstgDestAncestor = &internal->parentStorage->IStorage_iface; - } - else - break; - } - - if (pstgDestAncestor == iface) - { - BOOL fail = TRUE; - - if (pstgDestAncestorChild && snbExclude) - { - StorageBaseImpl *ancestorChildBase = (StorageBaseImpl*)pstgDestAncestorChild; - DirEntry data; - WCHAR **snb = snbExclude; - - StorageBaseImpl_ReadDirEntry(ancestorChildBase, ancestorChildBase->storageDirEntry, &data); - - while ( *snb != NULL && fail ) - { - if ( wcscmp(data.name, *snb) == 0 ) - fail = FALSE; - ++snb; - } - } - - if (fail) - return STG_E_ACCESSDENIED; - } - } - - return StorageBaseImpl_CopyStorageEntryTo( This, This->storageDirEntry, - skip_storage, skip_stream, snbExclude, pstgDest ); -} - -/************************************************************************* - * MoveElementTo (IStorage) - */ -static HRESULT WINAPI StorageBaseImpl_MoveElementTo( - IStorage* iface, - const OLECHAR *pwcsName, /* [string][in] */ - IStorage *pstgDest, /* [unique][in] */ - const OLECHAR *pwcsNewName,/* [string][in] */ - DWORD grfFlags) /* [in] */ -{ - FIXME("%p, %s, %p, %s, %#lx: stub\n", iface, debugstr_w(pwcsName), pstgDest, - debugstr_w(pwcsNewName), grfFlags); - return E_NOTIMPL; -} - -/************************************************************************* - * Commit (IStorage) - * - * Ensures that any changes made to a storage object open in transacted mode - * are reflected in the parent storage - * - * In a non-transacted mode, this ensures all cached writes are completed. - */ -static HRESULT WINAPI StorageBaseImpl_Commit( - IStorage* iface, - DWORD grfCommitFlags)/* [in] */ -{ - StorageBaseImpl* This = impl_from_IStorage(iface); - TRACE("%p, %#lx.\n", iface, grfCommitFlags); - return StorageBaseImpl_Flush(This); -} - -/************************************************************************* - * Revert (IStorage) - * - * Discard all changes that have been made since the last commit operation - */ -static HRESULT WINAPI StorageBaseImpl_Revert( - IStorage* iface) -{ - TRACE("(%p)\n", iface); - return S_OK; -} - -/********************************************************************* - * - * Internal helper function for StorageBaseImpl_DestroyElement() - * - * Delete the contents of a storage entry. - * - */ -static HRESULT deleteStorageContents( - StorageBaseImpl *parentStorage, - DirRef indexToDelete, - DirEntry entryDataToDelete) -{ - IEnumSTATSTG *elements = 0; - IStorage *childStorage = 0; - STATSTG currentElement; - HRESULT hr; - HRESULT destroyHr = S_OK; - StorageInternalImpl *stg, *stg2; - - TRACE("%p, %ld.\n", parentStorage, indexToDelete); - - /* Invalidate any open storage objects. */ - LIST_FOR_EACH_ENTRY_SAFE(stg, stg2, &parentStorage->storageHead, StorageInternalImpl, ParentListEntry) - { - if (stg->base.storageDirEntry == indexToDelete) - { - StorageBaseImpl_Invalidate(&stg->base); - } - } - - /* - * Open the storage and enumerate it - */ - hr = IStorage_OpenStorage( - &parentStorage->IStorage_iface, - entryDataToDelete.name, - 0, - STGM_WRITE | STGM_SHARE_EXCLUSIVE, - 0, - 0, - &childStorage); - - if (hr != S_OK) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - /* - * Enumerate the elements - */ - hr = IStorage_EnumElements(childStorage, 0, 0, 0, &elements); - if (FAILED(hr)) - { - IStorage_Release(childStorage); - TRACE("<-- %#lx\n", hr); - return hr; - } - - do - { - /* - * Obtain the next element - */ - hr = IEnumSTATSTG_Next(elements, 1, ¤tElement, NULL); - if (hr==S_OK) - { - destroyHr = IStorage_DestroyElement(childStorage, currentElement.pwcsName); - - CoTaskMemFree(currentElement.pwcsName); - } - - /* - * We need to Reset the enumeration every time because we delete elements - * and the enumeration could be invalid - */ - IEnumSTATSTG_Reset(elements); - - } while ((hr == S_OK) && (destroyHr == S_OK)); - - IStorage_Release(childStorage); - IEnumSTATSTG_Release(elements); - - TRACE("%#lx\n", hr); - return destroyHr; -} - -/********************************************************************* - * - * Internal helper function for StorageBaseImpl_DestroyElement() - * - * Perform the deletion of a stream's data - * - */ -static HRESULT deleteStreamContents( - StorageBaseImpl *parentStorage, - DirRef indexToDelete, - DirEntry entryDataToDelete) -{ - IStream *pis; - HRESULT hr; - ULARGE_INTEGER size; - StgStreamImpl *strm, *strm2; - - /* Invalidate any open stream objects. */ - LIST_FOR_EACH_ENTRY_SAFE(strm, strm2, &parentStorage->strmHead, StgStreamImpl, StrmListEntry) - { - if (strm->dirEntry == indexToDelete) - { - TRACE("Stream deleted %p\n", strm); - strm->parentStorage = NULL; - list_remove(&strm->StrmListEntry); - } - } - - size.HighPart = 0; - size.LowPart = 0; - - hr = IStorage_OpenStream(&parentStorage->IStorage_iface, - entryDataToDelete.name, NULL, STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &pis); - - if (hr!=S_OK) - { - TRACE("<-- %#lx\n", hr); - return(hr); - } - - /* - * Zap the stream - */ - hr = IStream_SetSize(pis, size); - - if(hr != S_OK) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - /* - * Release the stream object. - */ - IStream_Release(pis); - TRACE("<-- %#lx\n", hr); - return S_OK; -} - -/************************************************************************* - * DestroyElement (IStorage) - * - * Strategy: This implementation is built this way for simplicity not for speed. - * I always delete the topmost element of the enumeration and adjust - * the deleted element pointer all the time. This takes longer to - * do but allows reinvoking DestroyElement whenever we encounter a - * storage object. The optimisation resides in the usage of another - * enumeration strategy that would give all the leaves of a storage - * first. (postfix order) - */ -static HRESULT WINAPI StorageBaseImpl_DestroyElement( - IStorage* iface, - const OLECHAR *pwcsName)/* [string][in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - - HRESULT hr = S_OK; - DirEntry entryToDelete; - DirRef entryToDeleteRef; - - TRACE("(%p, %s)\n", - iface, debugstr_w(pwcsName)); - - if (pwcsName==NULL) - return STG_E_INVALIDPOINTER; - - if (This->reverted) - return STG_E_REVERTED; - - if ( !(This->openFlags & STGM_TRANSACTED) && - STGM_ACCESS_MODE( This->openFlags ) == STGM_READ ) - return STG_E_ACCESSDENIED; - - entryToDeleteRef = findElement( - This, - This->storageDirEntry, - pwcsName, - &entryToDelete); - - if ( entryToDeleteRef == DIRENTRY_NULL ) - { - TRACE("<-- STG_E_FILENOTFOUND\n"); - return STG_E_FILENOTFOUND; - } - - if ( entryToDelete.stgType == STGTY_STORAGE ) - { - hr = deleteStorageContents( - This, - entryToDeleteRef, - entryToDelete); - } - else if ( entryToDelete.stgType == STGTY_STREAM ) - { - hr = deleteStreamContents( - This, - entryToDeleteRef, - entryToDelete); - } - - if (hr!=S_OK) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - /* - * Remove the entry from its parent storage - */ - hr = removeFromTree( - This, - This->storageDirEntry, - entryToDeleteRef); - - /* - * Invalidate the entry - */ - if (SUCCEEDED(hr)) - StorageBaseImpl_DestroyDirEntry(This, entryToDeleteRef); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This); - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static void StorageBaseImpl_DeleteAll(StorageBaseImpl * stg) -{ - struct list *cur, *cur2; - StgStreamImpl *strm=NULL; - StorageInternalImpl *childstg=NULL; - - LIST_FOR_EACH_SAFE(cur, cur2, &stg->strmHead) { - strm = LIST_ENTRY(cur,StgStreamImpl,StrmListEntry); - TRACE("Streams invalidated (stg=%p strm=%p next=%p prev=%p)\n", stg,strm,cur->next,cur->prev); - strm->parentStorage = NULL; - list_remove(cur); - } - - LIST_FOR_EACH_SAFE(cur, cur2, &stg->storageHead) { - childstg = LIST_ENTRY(cur,StorageInternalImpl,ParentListEntry); - StorageBaseImpl_Invalidate( &childstg->base ); - } - - if (stg->transactedChild) - { - StorageBaseImpl_Invalidate(stg->transactedChild); - - stg->transactedChild = NULL; - } -} - -/****************************************************************************** - * SetElementTimes (IStorage) - */ -static HRESULT WINAPI StorageBaseImpl_SetElementTimes( - IStorage* iface, - const OLECHAR *pwcsName,/* [string][in] */ - const FILETIME *pctime, /* [in] */ - const FILETIME *patime, /* [in] */ - const FILETIME *pmtime) /* [in] */ -{ - FIXME("(%s,...), stub!\n",debugstr_w(pwcsName)); - return S_OK; -} - -/****************************************************************************** - * SetStateBits (IStorage) - */ -static HRESULT WINAPI StorageBaseImpl_SetStateBits( - IStorage* iface, - DWORD grfStateBits,/* [in] */ - DWORD grfMask) /* [in] */ -{ - StorageBaseImpl *This = impl_from_IStorage(iface); - - if (This->reverted) - return STG_E_REVERTED; - - This->stateBits = (This->stateBits & ~grfMask) | (grfStateBits & grfMask); - return S_OK; -} - -/****************************************************************************** - * Internal stream list handlers - */ - -void StorageBaseImpl_AddStream(StorageBaseImpl * stg, StgStreamImpl * strm) -{ - TRACE("Stream added (stg=%p strm=%p)\n", stg, strm); - list_add_tail(&stg->strmHead,&strm->StrmListEntry); -} - -void StorageBaseImpl_RemoveStream(StorageBaseImpl * stg, StgStreamImpl * strm) -{ - TRACE("Stream removed (stg=%p strm=%p)\n", stg,strm); - list_remove(&(strm->StrmListEntry)); -} - -static HRESULT StorageBaseImpl_CopyStream( - StorageBaseImpl *dst, DirRef dst_entry, - StorageBaseImpl *src, DirRef src_entry) -{ - HRESULT hr; - BYTE data[4096]; - DirEntry srcdata; - ULARGE_INTEGER bytes_copied; - ULONG bytestocopy, bytesread, byteswritten; - - hr = StorageBaseImpl_ReadDirEntry(src, src_entry, &srcdata); - - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_StreamSetSize(dst, dst_entry, srcdata.size); - - bytes_copied.QuadPart = 0; - while (bytes_copied.QuadPart < srcdata.size.QuadPart && SUCCEEDED(hr)) - { - bytestocopy = min(4096, srcdata.size.QuadPart - bytes_copied.QuadPart); - - hr = StorageBaseImpl_StreamReadAt(src, src_entry, bytes_copied, bytestocopy, - data, &bytesread); - if (SUCCEEDED(hr) && bytesread != bytestocopy) hr = STG_E_READFAULT; - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_StreamWriteAt(dst, dst_entry, bytes_copied, bytestocopy, - data, &byteswritten); - if (SUCCEEDED(hr)) - { - if (byteswritten != bytestocopy) hr = STG_E_WRITEFAULT; - bytes_copied.QuadPart += byteswritten; - } - } - } - - return hr; -} - -static HRESULT StorageBaseImpl_DupStorageTree( - StorageBaseImpl *dst, DirRef *dst_entry, - StorageBaseImpl *src, DirRef src_entry) -{ - HRESULT hr; - DirEntry data; - BOOL has_stream=FALSE; - - if (src_entry == DIRENTRY_NULL) - { - *dst_entry = DIRENTRY_NULL; - return S_OK; - } - - hr = StorageBaseImpl_ReadDirEntry(src, src_entry, &data); - if (SUCCEEDED(hr)) - { - has_stream = (data.stgType == STGTY_STREAM && data.size.QuadPart != 0); - data.startingBlock = BLOCK_END_OF_CHAIN; - data.size.QuadPart = 0; - - hr = StorageBaseImpl_DupStorageTree(dst, &data.leftChild, src, data.leftChild); - } - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_DupStorageTree(dst, &data.rightChild, src, data.rightChild); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_DupStorageTree(dst, &data.dirRootEntry, src, data.dirRootEntry); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_CreateDirEntry(dst, &data, dst_entry); - - if (SUCCEEDED(hr) && has_stream) - hr = StorageBaseImpl_CopyStream(dst, *dst_entry, src, src_entry); - - return hr; -} - -static HRESULT StorageBaseImpl_CopyStorageTree( - StorageBaseImpl *dst, DirRef dst_entry, - StorageBaseImpl *src, DirRef src_entry) -{ - HRESULT hr; - DirEntry src_data, dst_data; - DirRef new_root_entry; - - hr = StorageBaseImpl_ReadDirEntry(src, src_entry, &src_data); - - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_DupStorageTree(dst, &new_root_entry, src, src_data.dirRootEntry); - } - - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_ReadDirEntry(dst, dst_entry, &dst_data); - dst_data.clsid = src_data.clsid; - dst_data.ctime = src_data.ctime; - dst_data.mtime = src_data.mtime; - dst_data.dirRootEntry = new_root_entry; - } - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_WriteDirEntry(dst, dst_entry, &dst_data); - - return hr; -} - -static HRESULT StorageBaseImpl_DeleteStorageTree(StorageBaseImpl *This, DirRef entry, BOOL include_siblings) -{ - HRESULT hr; - DirEntry data; - ULARGE_INTEGER zero; - - if (entry == DIRENTRY_NULL) - return S_OK; - - zero.QuadPart = 0; - - hr = StorageBaseImpl_ReadDirEntry(This, entry, &data); - - if (SUCCEEDED(hr) && include_siblings) - hr = StorageBaseImpl_DeleteStorageTree(This, data.leftChild, TRUE); - - if (SUCCEEDED(hr) && include_siblings) - hr = StorageBaseImpl_DeleteStorageTree(This, data.rightChild, TRUE); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_DeleteStorageTree(This, data.dirRootEntry, TRUE); - - if (SUCCEEDED(hr) && data.stgType == STGTY_STREAM) - hr = StorageBaseImpl_StreamSetSize(This, entry, zero); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_DestroyDirEntry(This, entry); - - return hr; -} - - -/************************************************************************ - * StorageImpl implementation - ***********************************************************************/ - -static HRESULT StorageImpl_ReadAt(StorageImpl* This, - ULARGE_INTEGER offset, - void* buffer, - ULONG size, - ULONG* bytesRead) -{ - return ILockBytes_ReadAt(This->lockBytes,offset,buffer,size,bytesRead); -} - -static HRESULT StorageImpl_WriteAt(StorageImpl* This, - ULARGE_INTEGER offset, - const void* buffer, - const ULONG size, - ULONG* bytesWritten) -{ - return ILockBytes_WriteAt(This->lockBytes,offset,buffer,size,bytesWritten); -} - -/****************************************************************************** - * StorageImpl_LoadFileHeader - * - * This method will read in the file header - */ -static HRESULT StorageImpl_LoadFileHeader( - StorageImpl* This) -{ - HRESULT hr; - BYTE headerBigBlock[HEADER_SIZE]; - int index; - ULARGE_INTEGER offset; - DWORD bytes_read; - - TRACE("\n"); - /* - * Get a pointer to the big block of data containing the header. - */ - offset.HighPart = 0; - offset.LowPart = 0; - hr = StorageImpl_ReadAt(This, offset, headerBigBlock, HEADER_SIZE, &bytes_read); - if (SUCCEEDED(hr) && bytes_read != HEADER_SIZE) - hr = STG_E_FILENOTFOUND; - - /* - * Extract the information from the header. - */ - if (SUCCEEDED(hr)) - { - /* - * Check for the "magic number" signature and return an error if it is not - * found. - */ - if (memcmp(headerBigBlock, STORAGE_oldmagic, sizeof(STORAGE_oldmagic))==0) - { - return STG_E_OLDFORMAT; - } - - if (memcmp(headerBigBlock, STORAGE_magic, sizeof(STORAGE_magic))!=0) - { - return STG_E_INVALIDHEADER; - } - - StorageUtl_ReadWord( - headerBigBlock, - OFFSET_BIGBLOCKSIZEBITS, - &This->bigBlockSizeBits); - - StorageUtl_ReadWord( - headerBigBlock, - OFFSET_SMALLBLOCKSIZEBITS, - &This->smallBlockSizeBits); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_BBDEPOTCOUNT, - &This->bigBlockDepotCount); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_ROOTSTARTBLOCK, - &This->rootStartBlock); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_TRANSACTIONSIG, - &This->transactionSig); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_SMALLBLOCKLIMIT, - &This->smallBlockLimit); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_SBDEPOTSTART, - &This->smallBlockDepotStart); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_EXTBBDEPOTSTART, - &This->extBigBlockDepotStart); - - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_EXTBBDEPOTCOUNT, - &This->extBigBlockDepotCount); - - for (index = 0; index < COUNT_BBDEPOTINHEADER; index ++) - { - StorageUtl_ReadDWord( - headerBigBlock, - OFFSET_BBDEPOTSTART + (sizeof(ULONG)*index), - &(This->bigBlockDepotStart[index])); - } - - /* - * Make the bitwise arithmetic to get the size of the blocks in bytes. - */ - This->bigBlockSize = 0x000000001 << (DWORD)This->bigBlockSizeBits; - This->smallBlockSize = 0x000000001 << (DWORD)This->smallBlockSizeBits; - - /* - * Right now, the code is making some assumptions about the size of the - * blocks, just make sure they are what we're expecting. - */ - if ((This->bigBlockSize != MIN_BIG_BLOCK_SIZE && This->bigBlockSize != MAX_BIG_BLOCK_SIZE) || - This->smallBlockSize != DEF_SMALL_BLOCK_SIZE || - This->smallBlockLimit != LIMIT_TO_USE_SMALL_BLOCK) - { - FIXME("Broken OLE storage file? bigblock=%#lx, smallblock=%#lx, sblimit=%#lx\n", - This->bigBlockSize, This->smallBlockSize, This->smallBlockLimit); - hr = STG_E_INVALIDHEADER; - } - else - hr = S_OK; - } - - return hr; -} - -/****************************************************************************** - * StorageImpl_SaveFileHeader - * - * This method will save to the file the header - */ -static void StorageImpl_SaveFileHeader( - StorageImpl* This) -{ - BYTE headerBigBlock[HEADER_SIZE]; - int index; - ULARGE_INTEGER offset; - DWORD bytes_written; - DWORD major_version, dirsectorcount; - - if (This->bigBlockSizeBits == 0x9) - major_version = 3; - else if (This->bigBlockSizeBits == 0xc) - major_version = 4; - else - { - ERR("invalid big block shift 0x%x\n", This->bigBlockSizeBits); - major_version = 4; - } - - memset(headerBigBlock, 0, HEADER_SIZE); - memcpy(headerBigBlock, STORAGE_magic, sizeof(STORAGE_magic)); - - /* - * Write the information to the header. - */ - StorageUtl_WriteWord( - headerBigBlock, - OFFSET_MINORVERSION, - 0x3e); - - StorageUtl_WriteWord( - headerBigBlock, - OFFSET_MAJORVERSION, - major_version); - - StorageUtl_WriteWord( - headerBigBlock, - OFFSET_BYTEORDERMARKER, - (WORD)-2); - - StorageUtl_WriteWord( - headerBigBlock, - OFFSET_BIGBLOCKSIZEBITS, - This->bigBlockSizeBits); - - StorageUtl_WriteWord( - headerBigBlock, - OFFSET_SMALLBLOCKSIZEBITS, - This->smallBlockSizeBits); - - if (major_version >= 4) - { - if (This->rootBlockChain) - dirsectorcount = BlockChainStream_GetCount(This->rootBlockChain); - else - /* This file is being created, and it will start out with one block. */ - dirsectorcount = 1; - } - else - /* This field must be 0 in versions older than 4 */ - dirsectorcount = 0; - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_DIRSECTORCOUNT, - dirsectorcount); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_BBDEPOTCOUNT, - This->bigBlockDepotCount); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_ROOTSTARTBLOCK, - This->rootStartBlock); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_TRANSACTIONSIG, - This->transactionSig); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_SMALLBLOCKLIMIT, - This->smallBlockLimit); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_SBDEPOTSTART, - This->smallBlockDepotStart); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_SBDEPOTCOUNT, - This->smallBlockDepotChain ? - BlockChainStream_GetCount(This->smallBlockDepotChain) : 0); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_EXTBBDEPOTSTART, - This->extBigBlockDepotStart); - - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_EXTBBDEPOTCOUNT, - This->extBigBlockDepotCount); - - for (index = 0; index < COUNT_BBDEPOTINHEADER; index ++) - { - StorageUtl_WriteDWord( - headerBigBlock, - OFFSET_BBDEPOTSTART + (sizeof(ULONG)*index), - (This->bigBlockDepotStart[index])); - } - - offset.QuadPart = 0; - StorageImpl_WriteAt(This, offset, headerBigBlock, HEADER_SIZE, &bytes_written); -} - - -/************************************************************************ - * StorageImpl implementation : DirEntry methods - ***********************************************************************/ - -/****************************************************************************** - * StorageImpl_ReadRawDirEntry - * - * This method will read the raw data from a directory entry in the file. - * - * buffer must be RAW_DIRENTRY_SIZE bytes long. - */ -static HRESULT StorageImpl_ReadRawDirEntry(StorageImpl *This, ULONG index, BYTE *buffer) -{ - ULARGE_INTEGER offset; - HRESULT hr; - ULONG bytesRead; - - offset.QuadPart = (ULONGLONG)index * RAW_DIRENTRY_SIZE; - - hr = BlockChainStream_ReadAt( - This->rootBlockChain, - offset, - RAW_DIRENTRY_SIZE, - buffer, - &bytesRead); - - if (bytesRead != RAW_DIRENTRY_SIZE) - return STG_E_READFAULT; - - return hr; -} - -/****************************************************************************** - * StorageImpl_WriteRawDirEntry - * - * This method will write the raw data from a directory entry in the file. - * - * buffer must be RAW_DIRENTRY_SIZE bytes long. - */ -static HRESULT StorageImpl_WriteRawDirEntry(StorageImpl *This, ULONG index, const BYTE *buffer) -{ - ULARGE_INTEGER offset; - ULONG bytesRead; - - offset.QuadPart = (ULONGLONG)index * RAW_DIRENTRY_SIZE; - - return BlockChainStream_WriteAt( - This->rootBlockChain, - offset, - RAW_DIRENTRY_SIZE, - buffer, - &bytesRead); -} - -/*************************************************************************** - * - * Internal Method - * - * Mark a directory entry in the file as free. - */ -static HRESULT StorageImpl_DestroyDirEntry( - StorageBaseImpl *base, - DirRef index) -{ - BYTE emptyData[RAW_DIRENTRY_SIZE]; - StorageImpl *storage = (StorageImpl*)base; - - memset(emptyData, 0, RAW_DIRENTRY_SIZE); - - return StorageImpl_WriteRawDirEntry(storage, index, emptyData); -} - -/****************************************************************************** - * UpdateRawDirEntry - * - * Update raw directory entry data from the fields in newData. - * - * buffer must be RAW_DIRENTRY_SIZE bytes long. - */ -static void UpdateRawDirEntry(BYTE *buffer, const DirEntry *newData) -{ - memset(buffer, 0, RAW_DIRENTRY_SIZE); - - memcpy( - buffer + OFFSET_PS_NAME, - newData->name, - DIRENTRY_NAME_BUFFER_LEN ); - - memcpy(buffer + OFFSET_PS_STGTYPE, &newData->stgType, 1); - - StorageUtl_WriteWord( - buffer, - OFFSET_PS_NAMELENGTH, - newData->sizeOfNameString); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_LEFTCHILD, - newData->leftChild); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_RIGHTCHILD, - newData->rightChild); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_DIRROOT, - newData->dirRootEntry); - - StorageUtl_WriteGUID( - buffer, - OFFSET_PS_GUID, - &newData->clsid); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_CTIMELOW, - newData->ctime.dwLowDateTime); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_CTIMEHIGH, - newData->ctime.dwHighDateTime); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_MTIMELOW, - newData->mtime.dwLowDateTime); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_MTIMEHIGH, - newData->ctime.dwHighDateTime); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_STARTBLOCK, - newData->startingBlock); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_SIZE, - newData->size.LowPart); - - StorageUtl_WriteDWord( - buffer, - OFFSET_PS_SIZE_HIGH, - newData->size.HighPart); -} - -/*************************************************************************** - * - * Internal Method - * - * Reserve a directory entry in the file and initialize it. - */ -static HRESULT StorageImpl_CreateDirEntry( - StorageBaseImpl *base, - const DirEntry *newData, - DirRef *index) -{ - StorageImpl *storage = (StorageImpl*)base; - ULONG currentEntryIndex = 0; - ULONG newEntryIndex = DIRENTRY_NULL; - HRESULT hr = S_OK; - BYTE currentData[RAW_DIRENTRY_SIZE]; - WORD sizeOfNameString; - - do - { - hr = StorageImpl_ReadRawDirEntry(storage, - currentEntryIndex, - currentData); - - if (SUCCEEDED(hr)) - { - StorageUtl_ReadWord( - currentData, - OFFSET_PS_NAMELENGTH, - &sizeOfNameString); - - if (sizeOfNameString == 0) - { - /* - * The entry exists and is available, we found it. - */ - newEntryIndex = currentEntryIndex; - } - } - else - { - /* - * We exhausted the directory entries, we will create more space below - */ - newEntryIndex = currentEntryIndex; - } - currentEntryIndex++; - - } while (newEntryIndex == DIRENTRY_NULL); - - /* - * grow the directory stream - */ - if (FAILED(hr)) - { - BYTE emptyData[RAW_DIRENTRY_SIZE]; - ULARGE_INTEGER newSize; - ULONG entryIndex; - ULONG lastEntry = 0; - ULONG blockCount = 0; - - /* - * obtain the new count of blocks in the directory stream - */ - blockCount = BlockChainStream_GetCount( - storage->rootBlockChain)+1; - - /* - * initialize the size used by the directory stream - */ - newSize.QuadPart = (ULONGLONG)storage->bigBlockSize * blockCount; - - /* - * add a block to the directory stream - */ - BlockChainStream_SetSize(storage->rootBlockChain, newSize); - - /* - * memset the empty entry in order to initialize the unused newly - * created entries - */ - memset(emptyData, 0, RAW_DIRENTRY_SIZE); - - /* - * initialize them - */ - lastEntry = storage->bigBlockSize / RAW_DIRENTRY_SIZE * blockCount; - - for( - entryIndex = newEntryIndex + 1; - entryIndex < lastEntry; - entryIndex++) - { - StorageImpl_WriteRawDirEntry( - storage, - entryIndex, - emptyData); - } - - StorageImpl_SaveFileHeader(storage); - } - - UpdateRawDirEntry(currentData, newData); - - hr = StorageImpl_WriteRawDirEntry(storage, newEntryIndex, currentData); - - if (SUCCEEDED(hr)) - *index = newEntryIndex; - - return hr; -} - -/****************************************************************************** - * StorageImpl_ReadDirEntry - * - * This method will read the specified directory entry. - */ -static HRESULT StorageImpl_ReadDirEntry( - StorageImpl* This, - DirRef index, - DirEntry* buffer) -{ - BYTE currentEntry[RAW_DIRENTRY_SIZE]; - HRESULT readRes; - - readRes = StorageImpl_ReadRawDirEntry(This, index, currentEntry); - - if (SUCCEEDED(readRes)) - { - memset(buffer->name, 0, sizeof(buffer->name)); - memcpy( - buffer->name, - (WCHAR *)currentEntry+OFFSET_PS_NAME, - DIRENTRY_NAME_BUFFER_LEN ); - TRACE("storage name: %s\n", debugstr_w(buffer->name)); - - memcpy(&buffer->stgType, currentEntry + OFFSET_PS_STGTYPE, 1); - - StorageUtl_ReadWord( - currentEntry, - OFFSET_PS_NAMELENGTH, - &buffer->sizeOfNameString); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_LEFTCHILD, - &buffer->leftChild); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_RIGHTCHILD, - &buffer->rightChild); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_DIRROOT, - &buffer->dirRootEntry); - - StorageUtl_ReadGUID( - currentEntry, - OFFSET_PS_GUID, - &buffer->clsid); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_CTIMELOW, - &buffer->ctime.dwLowDateTime); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_CTIMEHIGH, - &buffer->ctime.dwHighDateTime); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_MTIMELOW, - &buffer->mtime.dwLowDateTime); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_MTIMEHIGH, - &buffer->mtime.dwHighDateTime); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_STARTBLOCK, - &buffer->startingBlock); - - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_SIZE, - &buffer->size.LowPart); - - if (This->bigBlockSize < 4096) - { - /* Version 3 files may have junk in the high part of size. */ - buffer->size.HighPart = 0; - } - else - { - StorageUtl_ReadDWord( - currentEntry, - OFFSET_PS_SIZE_HIGH, - &buffer->size.HighPart); - } - } - - return readRes; -} - -/********************************************************************* - * Write the specified directory entry to the file - */ -static HRESULT StorageImpl_WriteDirEntry( - StorageImpl* This, - DirRef index, - const DirEntry* buffer) -{ - BYTE currentEntry[RAW_DIRENTRY_SIZE]; - - UpdateRawDirEntry(currentEntry, buffer); - - return StorageImpl_WriteRawDirEntry(This, index, currentEntry); -} - - -/************************************************************************ - * StorageImpl implementation : Block methods - ***********************************************************************/ - -static ULONGLONG StorageImpl_GetBigBlockOffset(StorageImpl* This, ULONG index) -{ - return (ULONGLONG)(index+1) * This->bigBlockSize; -} - -static HRESULT StorageImpl_ReadBigBlock( - StorageImpl* This, - ULONG blockIndex, - void* buffer, - ULONG* out_read) -{ - ULARGE_INTEGER ulOffset; - DWORD read=0; - HRESULT hr; - - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This, blockIndex); - - hr = StorageImpl_ReadAt(This, ulOffset, buffer, This->bigBlockSize, &read); - - if (SUCCEEDED(hr) && read < This->bigBlockSize) - { - /* File ends during this block; fill the rest with 0's. */ - memset((LPBYTE)buffer+read, 0, This->bigBlockSize-read); - } - - if (out_read) *out_read = read; - - return hr; -} - -static BOOL StorageImpl_ReadDWordFromBigBlock( - StorageImpl* This, - ULONG blockIndex, - ULONG offset, - DWORD* value) -{ - ULARGE_INTEGER ulOffset; - DWORD read; - DWORD tmp; - - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This, blockIndex); - ulOffset.QuadPart += offset; - - StorageImpl_ReadAt(This, ulOffset, &tmp, sizeof(DWORD), &read); - *value = lendian32toh(tmp); - return (read == sizeof(DWORD)); -} - -static BOOL StorageImpl_WriteBigBlock( - StorageImpl* This, - ULONG blockIndex, - const void* buffer) -{ - ULARGE_INTEGER ulOffset; - DWORD wrote; - - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This, blockIndex); - - StorageImpl_WriteAt(This, ulOffset, buffer, This->bigBlockSize, &wrote); - return (wrote == This->bigBlockSize); -} - -static BOOL StorageImpl_WriteDWordToBigBlock( - StorageImpl* This, - ULONG blockIndex, - ULONG offset, - DWORD value) -{ - ULARGE_INTEGER ulOffset; - DWORD wrote; - - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This, blockIndex); - ulOffset.QuadPart += offset; - - value = htole32(value); - StorageImpl_WriteAt(This, ulOffset, &value, sizeof(DWORD), &wrote); - return (wrote == sizeof(DWORD)); -} - -/****************************************************************************** - * Storage32Impl_SmallBlocksToBigBlocks - * - * This method will convert a small block chain to a big block chain. - * The small block chain will be destroyed. - */ -static BlockChainStream* Storage32Impl_SmallBlocksToBigBlocks( - StorageImpl* This, - SmallBlockChainStream** ppsbChain) -{ - ULONG bbHeadOfChain = BLOCK_END_OF_CHAIN; - ULARGE_INTEGER size, offset; - ULONG cbRead, cbWritten; - ULARGE_INTEGER cbTotalRead; - DirRef streamEntryRef; - HRESULT resWrite = S_OK; - HRESULT resRead; - DirEntry streamEntry; - BYTE *buffer; - BlockChainStream *bbTempChain = NULL; - BlockChainStream *bigBlockChain = NULL; - - /* - * Create a temporary big block chain that doesn't have - * an associated directory entry. This temporary chain will be - * used to copy data from small blocks to big blocks. - */ - bbTempChain = BlockChainStream_Construct(This, - &bbHeadOfChain, - DIRENTRY_NULL); - if(!bbTempChain) return NULL; - /* - * Grow the big block chain. - */ - size = SmallBlockChainStream_GetSize(*ppsbChain); - BlockChainStream_SetSize(bbTempChain, size); - - /* - * Copy the contents of the small block chain to the big block chain - * by small block size increments. - */ - offset.LowPart = 0; - offset.HighPart = 0; - cbTotalRead.QuadPart = 0; - - buffer = HeapAlloc(GetProcessHeap(),0,DEF_SMALL_BLOCK_SIZE); - do - { - resRead = SmallBlockChainStream_ReadAt(*ppsbChain, - offset, - min(This->smallBlockSize, size.LowPart - offset.LowPart), - buffer, - &cbRead); - if (FAILED(resRead)) - break; - - if (cbRead > 0) - { - cbTotalRead.QuadPart += cbRead; - - resWrite = BlockChainStream_WriteAt(bbTempChain, - offset, - cbRead, - buffer, - &cbWritten); - - if (FAILED(resWrite)) - break; - - offset.LowPart += cbRead; - } - else - { - resRead = STG_E_READFAULT; - break; - } - } while (cbTotalRead.QuadPart < size.QuadPart); - HeapFree(GetProcessHeap(),0,buffer); - - size.HighPart = 0; - size.LowPart = 0; - - if (FAILED(resRead) || FAILED(resWrite)) - { - ERR("conversion failed: resRead = %#lx, resWrite = %#lx\n", resRead, resWrite); - BlockChainStream_SetSize(bbTempChain, size); - BlockChainStream_Destroy(bbTempChain); - return NULL; - } - - /* - * Destroy the small block chain. - */ - streamEntryRef = (*ppsbChain)->ownerDirEntry; - SmallBlockChainStream_SetSize(*ppsbChain, size); - SmallBlockChainStream_Destroy(*ppsbChain); - *ppsbChain = 0; - - /* - * Change the directory entry. This chain is now a big block chain - * and it doesn't reside in the small blocks chain anymore. - */ - StorageImpl_ReadDirEntry(This, streamEntryRef, &streamEntry); - - streamEntry.startingBlock = bbHeadOfChain; - - StorageImpl_WriteDirEntry(This, streamEntryRef, &streamEntry); - - /* - * Destroy the temporary entryless big block chain. - * Create a new big block chain associated with this entry. - */ - BlockChainStream_Destroy(bbTempChain); - bigBlockChain = BlockChainStream_Construct(This, - NULL, - streamEntryRef); - - return bigBlockChain; -} - -/****************************************************************************** - * Storage32Impl_BigBlocksToSmallBlocks - * - * This method will convert a big block chain to a small block chain. - * The big block chain will be destroyed on success. - */ -static SmallBlockChainStream* Storage32Impl_BigBlocksToSmallBlocks( - StorageImpl* This, - BlockChainStream** ppbbChain, - ULARGE_INTEGER newSize) -{ - ULARGE_INTEGER size, offset, cbTotalRead; - ULONG cbRead, cbWritten, sbHeadOfChain = BLOCK_END_OF_CHAIN; - DirRef streamEntryRef; - HRESULT resWrite = S_OK, resRead = S_OK; - DirEntry streamEntry; - BYTE* buffer; - SmallBlockChainStream* sbTempChain; - - TRACE("%p %p\n", This, ppbbChain); - - sbTempChain = SmallBlockChainStream_Construct(This, &sbHeadOfChain, - DIRENTRY_NULL); - - if(!sbTempChain) - return NULL; - - SmallBlockChainStream_SetSize(sbTempChain, newSize); - size = BlockChainStream_GetSize(*ppbbChain); - size.QuadPart = min(size.QuadPart, newSize.QuadPart); - - offset.HighPart = 0; - offset.LowPart = 0; - cbTotalRead.QuadPart = 0; - buffer = HeapAlloc(GetProcessHeap(), 0, This->bigBlockSize); - while(cbTotalRead.QuadPart < size.QuadPart) - { - resRead = BlockChainStream_ReadAt(*ppbbChain, offset, - min(This->bigBlockSize, size.LowPart - offset.LowPart), - buffer, &cbRead); - - if(FAILED(resRead)) - break; - - if(cbRead > 0) - { - cbTotalRead.QuadPart += cbRead; - - resWrite = SmallBlockChainStream_WriteAt(sbTempChain, offset, - cbRead, buffer, &cbWritten); - - if(FAILED(resWrite)) - break; - - offset.LowPart += cbRead; - } - else - { - resRead = STG_E_READFAULT; - break; - } - } - HeapFree(GetProcessHeap(), 0, buffer); - - size.HighPart = 0; - size.LowPart = 0; - - if(FAILED(resRead) || FAILED(resWrite)) - { - ERR("conversion failed: resRead = %#lx, resWrite = %#lx\n", resRead, resWrite); - SmallBlockChainStream_SetSize(sbTempChain, size); - SmallBlockChainStream_Destroy(sbTempChain); - return NULL; - } - - /* destroy the original big block chain */ - streamEntryRef = (*ppbbChain)->ownerDirEntry; - BlockChainStream_SetSize(*ppbbChain, size); - BlockChainStream_Destroy(*ppbbChain); - *ppbbChain = NULL; - - StorageImpl_ReadDirEntry(This, streamEntryRef, &streamEntry); - streamEntry.startingBlock = sbHeadOfChain; - StorageImpl_WriteDirEntry(This, streamEntryRef, &streamEntry); - - SmallBlockChainStream_Destroy(sbTempChain); - return SmallBlockChainStream_Construct(This, NULL, streamEntryRef); -} - -/****************************************************************************** - * Storage32Impl_AddBlockDepot - * - * This will create a depot block, essentially it is a block initialized - * to BLOCK_UNUSEDs. - */ -static void Storage32Impl_AddBlockDepot(StorageImpl* This, ULONG blockIndex, ULONG depotIndex) -{ - BYTE blockBuffer[MAX_BIG_BLOCK_SIZE]; - ULONG rangeLockIndex = RANGELOCK_FIRST / This->bigBlockSize - 1; - ULONG blocksPerDepot = This->bigBlockSize / sizeof(ULONG); - ULONG rangeLockDepot = rangeLockIndex / blocksPerDepot; - - /* - * Initialize blocks as free - */ - memset(blockBuffer, BLOCK_UNUSED, This->bigBlockSize); - - /* Reserve the range lock sector */ - if (depotIndex == rangeLockDepot) - { - ((ULONG*)blockBuffer)[rangeLockIndex % blocksPerDepot] = BLOCK_END_OF_CHAIN; - } - - StorageImpl_WriteBigBlock(This, blockIndex, blockBuffer); -} - -/****************************************************************************** - * Storage32Impl_GetExtDepotBlock - * - * Returns the index of the block that corresponds to the specified depot - * index. This method is only for depot indexes equal or greater than - * COUNT_BBDEPOTINHEADER. - */ -static ULONG Storage32Impl_GetExtDepotBlock(StorageImpl* This, ULONG depotIndex) -{ - ULONG depotBlocksPerExtBlock = (This->bigBlockSize / sizeof(ULONG)) - 1; - ULONG numExtBlocks = depotIndex - COUNT_BBDEPOTINHEADER; - ULONG extBlockCount = numExtBlocks / depotBlocksPerExtBlock; - ULONG extBlockOffset = numExtBlocks % depotBlocksPerExtBlock; - ULONG blockIndex = BLOCK_UNUSED; - ULONG extBlockIndex; - BYTE depotBuffer[MAX_BIG_BLOCK_SIZE]; - int index, num_blocks; - - assert(depotIndex >= COUNT_BBDEPOTINHEADER); - - if (extBlockCount >= This->extBigBlockDepotCount) - return BLOCK_UNUSED; - - if (This->indexExtBlockDepotCached != extBlockCount) - { - extBlockIndex = This->extBigBlockDepotLocations[extBlockCount]; - - StorageImpl_ReadBigBlock(This, extBlockIndex, depotBuffer, NULL); - - num_blocks = This->bigBlockSize / 4; - - for (index = 0; index < num_blocks; index++) - { - StorageUtl_ReadDWord(depotBuffer, index*sizeof(ULONG), &blockIndex); - This->extBlockDepotCached[index] = blockIndex; - } - - This->indexExtBlockDepotCached = extBlockCount; - } - - blockIndex = This->extBlockDepotCached[extBlockOffset]; - - return blockIndex; -} - -/****************************************************************************** - * Storage32Impl_SetExtDepotBlock - * - * Associates the specified block index to the specified depot index. - * This method is only for depot indexes equal or greater than - * COUNT_BBDEPOTINHEADER. - */ -static void Storage32Impl_SetExtDepotBlock(StorageImpl* This, ULONG depotIndex, ULONG blockIndex) -{ - ULONG depotBlocksPerExtBlock = (This->bigBlockSize / sizeof(ULONG)) - 1; - ULONG numExtBlocks = depotIndex - COUNT_BBDEPOTINHEADER; - ULONG extBlockCount = numExtBlocks / depotBlocksPerExtBlock; - ULONG extBlockOffset = numExtBlocks % depotBlocksPerExtBlock; - ULONG extBlockIndex; - - assert(depotIndex >= COUNT_BBDEPOTINHEADER); - - assert(extBlockCount < This->extBigBlockDepotCount); - - extBlockIndex = This->extBigBlockDepotLocations[extBlockCount]; - - if (extBlockIndex != BLOCK_UNUSED) - { - StorageImpl_WriteDWordToBigBlock(This, extBlockIndex, - extBlockOffset * sizeof(ULONG), - blockIndex); - } - - if (This->indexExtBlockDepotCached == extBlockCount) - { - This->extBlockDepotCached[extBlockOffset] = blockIndex; - } -} - -/****************************************************************************** - * Storage32Impl_AddExtBlockDepot - * - * Creates an extended depot block. - */ -static ULONG Storage32Impl_AddExtBlockDepot(StorageImpl* This) -{ - ULONG numExtBlocks = This->extBigBlockDepotCount; - ULONG nextExtBlock = This->extBigBlockDepotStart; - BYTE depotBuffer[MAX_BIG_BLOCK_SIZE]; - ULONG index = BLOCK_UNUSED; - ULONG nextBlockOffset = This->bigBlockSize - sizeof(ULONG); - ULONG blocksPerDepotBlock = This->bigBlockSize / sizeof(ULONG); - ULONG depotBlocksPerExtBlock = blocksPerDepotBlock - 1; - - index = (COUNT_BBDEPOTINHEADER + (numExtBlocks * depotBlocksPerExtBlock)) * - blocksPerDepotBlock; - - if ((numExtBlocks == 0) && (nextExtBlock == BLOCK_END_OF_CHAIN)) - { - /* - * The first extended block. - */ - This->extBigBlockDepotStart = index; - } - else - { - /* - * Find the last existing extended block. - */ - nextExtBlock = This->extBigBlockDepotLocations[This->extBigBlockDepotCount-1]; - - /* - * Add the new extended block to the chain. - */ - StorageImpl_WriteDWordToBigBlock(This, nextExtBlock, nextBlockOffset, - index); - } - - /* - * Initialize this block. - */ - memset(depotBuffer, BLOCK_UNUSED, This->bigBlockSize); - StorageImpl_WriteBigBlock(This, index, depotBuffer); - - /* Add the block to our cache. */ - if (This->extBigBlockDepotLocationsSize == numExtBlocks) - { - ULONG new_cache_size = (This->extBigBlockDepotLocationsSize+1)*2; - ULONG *new_cache = HeapAlloc(GetProcessHeap(), 0, sizeof(ULONG) * new_cache_size); - - memcpy(new_cache, This->extBigBlockDepotLocations, sizeof(ULONG) * This->extBigBlockDepotLocationsSize); - HeapFree(GetProcessHeap(), 0, This->extBigBlockDepotLocations); - - This->extBigBlockDepotLocations = new_cache; - This->extBigBlockDepotLocationsSize = new_cache_size; - } - This->extBigBlockDepotLocations[numExtBlocks] = index; - - return index; -} - -/************************************************************************ - * StorageImpl_GetNextBlockInChain - * - * This method will retrieve the block index of the next big block in - * in the chain. - * - * Params: This - Pointer to the Storage object. - * blockIndex - Index of the block to retrieve the chain - * for. - * nextBlockIndex - receives the return value. - * - * Returns: This method returns the index of the next block in the chain. - * It will return the constants: - * BLOCK_SPECIAL - If the block given was not part of a - * chain. - * BLOCK_END_OF_CHAIN - If the block given was the last in - * a chain. - * BLOCK_UNUSED - If the block given was not past of a chain - * and is available. - * BLOCK_EXTBBDEPOT - This block is part of the extended - * big block depot. - * - * See Windows documentation for more details on IStorage methods. - */ -static HRESULT StorageImpl_GetNextBlockInChain( - StorageImpl* This, - ULONG blockIndex, - ULONG* nextBlockIndex) -{ - ULONG offsetInDepot = blockIndex * sizeof (ULONG); - ULONG depotBlockCount = offsetInDepot / This->bigBlockSize; - ULONG depotBlockOffset = offsetInDepot % This->bigBlockSize; - BYTE depotBuffer[MAX_BIG_BLOCK_SIZE]; - ULONG read; - ULONG depotBlockIndexPos; - int index, num_blocks; - - *nextBlockIndex = BLOCK_SPECIAL; - - if(depotBlockCount >= This->bigBlockDepotCount) - { - WARN("depotBlockCount %ld, bigBlockDepotCount %ld\n", depotBlockCount, This->bigBlockDepotCount); - return STG_E_READFAULT; - } - - /* - * Cache the currently accessed depot block. - */ - if (depotBlockCount != This->indexBlockDepotCached) - { - This->indexBlockDepotCached = depotBlockCount; - - if (depotBlockCount < COUNT_BBDEPOTINHEADER) - { - depotBlockIndexPos = This->bigBlockDepotStart[depotBlockCount]; - } - else - { - /* - * We have to look in the extended depot. - */ - depotBlockIndexPos = Storage32Impl_GetExtDepotBlock(This, depotBlockCount); - } - - StorageImpl_ReadBigBlock(This, depotBlockIndexPos, depotBuffer, &read); - - if (!read) - return STG_E_READFAULT; - - num_blocks = This->bigBlockSize / 4; - - for (index = 0; index < num_blocks; index++) - { - StorageUtl_ReadDWord(depotBuffer, index*sizeof(ULONG), nextBlockIndex); - This->blockDepotCached[index] = *nextBlockIndex; - } - } - - *nextBlockIndex = This->blockDepotCached[depotBlockOffset/sizeof(ULONG)]; - - return S_OK; -} - -/****************************************************************************** - * Storage32Impl_GetNextExtendedBlock - * - * Given an extended block this method will return the next extended block. - * - * NOTES: - * The last ULONG of an extended block is the block index of the next - * extended block. Extended blocks are marked as BLOCK_EXTBBDEPOT in the - * depot. - * - * Return values: - * - The index of the next extended block - * - BLOCK_UNUSED: there is no next extended block. - * - Any other return values denotes failure. - */ -static ULONG Storage32Impl_GetNextExtendedBlock(StorageImpl* This, ULONG blockIndex) -{ - ULONG nextBlockIndex = BLOCK_SPECIAL; - ULONG depotBlockOffset = This->bigBlockSize - sizeof(ULONG); - - StorageImpl_ReadDWordFromBigBlock(This, blockIndex, depotBlockOffset, - &nextBlockIndex); - - return nextBlockIndex; -} - -/****************************************************************************** - * StorageImpl_SetNextBlockInChain - * - * This method will write the index of the specified block's next block - * in the big block depot. - * - * For example: to create the chain 3 -> 1 -> 7 -> End of Chain - * do the following - * - * StorageImpl_SetNextBlockInChain(This, 3, 1); - * StorageImpl_SetNextBlockInChain(This, 1, 7); - * StorageImpl_SetNextBlockInChain(This, 7, BLOCK_END_OF_CHAIN); - * - */ -static void StorageImpl_SetNextBlockInChain( - StorageImpl* This, - ULONG blockIndex, - ULONG nextBlock) -{ - ULONG offsetInDepot = blockIndex * sizeof (ULONG); - ULONG depotBlockCount = offsetInDepot / This->bigBlockSize; - ULONG depotBlockOffset = offsetInDepot % This->bigBlockSize; - ULONG depotBlockIndexPos; - - assert(depotBlockCount < This->bigBlockDepotCount); - assert(blockIndex != nextBlock); - - if (blockIndex == (RANGELOCK_FIRST / This->bigBlockSize) - 1) - /* This should never happen (storage file format spec forbids it), but - * older versions of Wine may have generated broken files. We don't want to - * assert and potentially lose data, but we do want to know if this ever - * happens in a newly-created file. */ - ERR("Using range lock page\n"); - - if (depotBlockCount < COUNT_BBDEPOTINHEADER) - { - depotBlockIndexPos = This->bigBlockDepotStart[depotBlockCount]; - } - else - { - /* - * We have to look in the extended depot. - */ - depotBlockIndexPos = Storage32Impl_GetExtDepotBlock(This, depotBlockCount); - } - - StorageImpl_WriteDWordToBigBlock(This, depotBlockIndexPos, depotBlockOffset, - nextBlock); - /* - * Update the cached block depot, if necessary. - */ - if (depotBlockCount == This->indexBlockDepotCached) - { - This->blockDepotCached[depotBlockOffset/sizeof(ULONG)] = nextBlock; - } -} - -/****************************************************************************** - * StorageImpl_GetNextFreeBigBlock - * - * Returns the index of the next free big block. - * If the big block depot is filled, this method will enlarge it. - * - */ -static ULONG StorageImpl_GetNextFreeBigBlock( - StorageImpl* This, ULONG neededAddNumBlocks) -{ - ULONG depotBlockIndexPos; - BYTE depotBuffer[MAX_BIG_BLOCK_SIZE]; - ULONG depotBlockOffset; - ULONG blocksPerDepot = This->bigBlockSize / sizeof(ULONG); - ULONG nextBlockIndex = BLOCK_SPECIAL; - int depotIndex = 0; - ULONG freeBlock = BLOCK_UNUSED; - ULONG read; - ULARGE_INTEGER neededSize; - STATSTG statstg; - - depotIndex = This->prevFreeBlock / blocksPerDepot; - depotBlockOffset = (This->prevFreeBlock % blocksPerDepot) * sizeof(ULONG); - - /* - * Scan the entire big block depot until we find a block marked free - */ - while (nextBlockIndex != BLOCK_UNUSED) - { - if (depotIndex < COUNT_BBDEPOTINHEADER) - { - depotBlockIndexPos = This->bigBlockDepotStart[depotIndex]; - - /* - * Grow the primary depot. - */ - if (depotBlockIndexPos == BLOCK_UNUSED) - { - depotBlockIndexPos = depotIndex*blocksPerDepot; - - /* - * Add a block depot. - */ - Storage32Impl_AddBlockDepot(This, depotBlockIndexPos, depotIndex); - This->bigBlockDepotCount++; - This->bigBlockDepotStart[depotIndex] = depotBlockIndexPos; - - /* - * Flag it as a block depot. - */ - StorageImpl_SetNextBlockInChain(This, - depotBlockIndexPos, - BLOCK_SPECIAL); - - /* Save new header information. - */ - StorageImpl_SaveFileHeader(This); - } - } - else - { - depotBlockIndexPos = Storage32Impl_GetExtDepotBlock(This, depotIndex); - - if (depotBlockIndexPos == BLOCK_UNUSED) - { - /* - * Grow the extended depot. - */ - ULONG extIndex = BLOCK_UNUSED; - ULONG numExtBlocks = depotIndex - COUNT_BBDEPOTINHEADER; - ULONG extBlockOffset = numExtBlocks % (blocksPerDepot - 1); - - if (extBlockOffset == 0) - { - /* We need an extended block. - */ - extIndex = Storage32Impl_AddExtBlockDepot(This); - This->extBigBlockDepotCount++; - depotBlockIndexPos = extIndex + 1; - } - else - depotBlockIndexPos = depotIndex * blocksPerDepot; - - /* - * Add a block depot and mark it in the extended block. - */ - Storage32Impl_AddBlockDepot(This, depotBlockIndexPos, depotIndex); - This->bigBlockDepotCount++; - Storage32Impl_SetExtDepotBlock(This, depotIndex, depotBlockIndexPos); - - /* Flag the block depot. - */ - StorageImpl_SetNextBlockInChain(This, - depotBlockIndexPos, - BLOCK_SPECIAL); - - /* If necessary, flag the extended depot block. - */ - if (extIndex != BLOCK_UNUSED) - StorageImpl_SetNextBlockInChain(This, extIndex, BLOCK_EXTBBDEPOT); - - /* Save header information. - */ - StorageImpl_SaveFileHeader(This); - } - } - - StorageImpl_ReadBigBlock(This, depotBlockIndexPos, depotBuffer, &read); - - if (read) - { - while ( ( (depotBlockOffset/sizeof(ULONG) ) < blocksPerDepot) && - ( nextBlockIndex != BLOCK_UNUSED)) - { - StorageUtl_ReadDWord(depotBuffer, depotBlockOffset, &nextBlockIndex); - - if (nextBlockIndex == BLOCK_UNUSED) - { - freeBlock = (depotIndex * blocksPerDepot) + - (depotBlockOffset/sizeof(ULONG)); - } - - depotBlockOffset += sizeof(ULONG); - } - } - - depotIndex++; - depotBlockOffset = 0; - } - - /* - * make sure that the block physically exists before using it - */ - neededSize.QuadPart = StorageImpl_GetBigBlockOffset(This, freeBlock)+This->bigBlockSize * neededAddNumBlocks; - - ILockBytes_Stat(This->lockBytes, &statstg, STATFLAG_NONAME); - - if (neededSize.QuadPart > statstg.cbSize.QuadPart) - ILockBytes_SetSize(This->lockBytes, neededSize); - - This->prevFreeBlock = freeBlock; - - return freeBlock; -} - -/****************************************************************************** - * StorageImpl_FreeBigBlock - * - * This method will flag the specified block as free in the big block depot. - */ -static void StorageImpl_FreeBigBlock( - StorageImpl* This, - ULONG blockIndex) -{ - StorageImpl_SetNextBlockInChain(This, blockIndex, BLOCK_UNUSED); - - if (blockIndex < This->prevFreeBlock) - This->prevFreeBlock = blockIndex; -} - - -static HRESULT StorageImpl_BaseWriteDirEntry(StorageBaseImpl *base, - DirRef index, const DirEntry *data) -{ - StorageImpl *This = (StorageImpl*)base; - return StorageImpl_WriteDirEntry(This, index, data); -} - -static HRESULT StorageImpl_BaseReadDirEntry(StorageBaseImpl *base, - DirRef index, DirEntry *data) -{ - StorageImpl *This = (StorageImpl*)base; - return StorageImpl_ReadDirEntry(This, index, data); -} - -static BlockChainStream **StorageImpl_GetFreeBlockChainCacheEntry(StorageImpl* This) -{ - int i; - - for (i=0; i<BLOCKCHAIN_CACHE_SIZE; i++) - { - if (!This->blockChainCache[i]) - { - return &This->blockChainCache[i]; - } - } - - i = This->blockChainToEvict; - - BlockChainStream_Destroy(This->blockChainCache[i]); - This->blockChainCache[i] = NULL; - - This->blockChainToEvict++; - if (This->blockChainToEvict == BLOCKCHAIN_CACHE_SIZE) - This->blockChainToEvict = 0; - - return &This->blockChainCache[i]; -} - -static BlockChainStream **StorageImpl_GetCachedBlockChainStream(StorageImpl *This, - DirRef index) -{ - int i, free_index=-1; - - for (i=0; i<BLOCKCHAIN_CACHE_SIZE; i++) - { - if (!This->blockChainCache[i]) - { - if (free_index == -1) free_index = i; - } - else if (This->blockChainCache[i]->ownerDirEntry == index) - { - return &This->blockChainCache[i]; - } - } - - if (free_index == -1) - { - free_index = This->blockChainToEvict; - - BlockChainStream_Destroy(This->blockChainCache[free_index]); - This->blockChainCache[free_index] = NULL; - - This->blockChainToEvict++; - if (This->blockChainToEvict == BLOCKCHAIN_CACHE_SIZE) - This->blockChainToEvict = 0; - } - - This->blockChainCache[free_index] = BlockChainStream_Construct(This, NULL, index); - return &This->blockChainCache[free_index]; -} - -static void StorageImpl_DeleteCachedBlockChainStream(StorageImpl *This, DirRef index) -{ - int i; - - for (i=0; i<BLOCKCHAIN_CACHE_SIZE; i++) - { - if (This->blockChainCache[i] && This->blockChainCache[i]->ownerDirEntry == index) - { - BlockChainStream_Destroy(This->blockChainCache[i]); - This->blockChainCache[i] = NULL; - return; - } - } -} - -static HRESULT StorageImpl_StreamReadAt(StorageBaseImpl *base, DirRef index, - ULARGE_INTEGER offset, ULONG size, void *buffer, ULONG *bytesRead) -{ - StorageImpl *This = (StorageImpl*)base; - DirEntry data; - HRESULT hr; - ULONG bytesToRead; - - hr = StorageImpl_ReadDirEntry(This, index, &data); - if (FAILED(hr)) return hr; - - if (data.size.QuadPart == 0) - { - *bytesRead = 0; - return S_OK; - } - - if (offset.QuadPart + size > data.size.QuadPart) - { - bytesToRead = data.size.QuadPart - offset.QuadPart; - } - else - { - bytesToRead = size; - } - - if (data.size.QuadPart < LIMIT_TO_USE_SMALL_BLOCK) - { - SmallBlockChainStream *stream; - - stream = SmallBlockChainStream_Construct(This, NULL, index); - if (!stream) return E_OUTOFMEMORY; - - hr = SmallBlockChainStream_ReadAt(stream, offset, bytesToRead, buffer, bytesRead); - - SmallBlockChainStream_Destroy(stream); - - return hr; - } - else - { - BlockChainStream *stream = NULL; - - stream = *StorageImpl_GetCachedBlockChainStream(This, index); - if (!stream) return E_OUTOFMEMORY; - - hr = BlockChainStream_ReadAt(stream, offset, bytesToRead, buffer, bytesRead); - - return hr; - } -} - -static HRESULT StorageImpl_StreamSetSize(StorageBaseImpl *base, DirRef index, - ULARGE_INTEGER newsize) -{ - StorageImpl *This = (StorageImpl*)base; - DirEntry data; - HRESULT hr; - SmallBlockChainStream *smallblock=NULL; - BlockChainStream **pbigblock=NULL, *bigblock=NULL; - - hr = StorageImpl_ReadDirEntry(This, index, &data); - if (FAILED(hr)) return hr; - - /* In simple mode keep the stream size above the small block limit */ - if (This->base.openFlags & STGM_SIMPLE) - newsize.QuadPart = max(newsize.QuadPart, LIMIT_TO_USE_SMALL_BLOCK); - - if (data.size.QuadPart == newsize.QuadPart) - return S_OK; - - /* Create a block chain object of the appropriate type */ - if (data.size.QuadPart == 0) - { - if (newsize.QuadPart < LIMIT_TO_USE_SMALL_BLOCK) - { - smallblock = SmallBlockChainStream_Construct(This, NULL, index); - if (!smallblock) return E_OUTOFMEMORY; - } - else - { - pbigblock = StorageImpl_GetCachedBlockChainStream(This, index); - bigblock = *pbigblock; - if (!bigblock) return E_OUTOFMEMORY; - } - } - else if (data.size.QuadPart < LIMIT_TO_USE_SMALL_BLOCK) - { - smallblock = SmallBlockChainStream_Construct(This, NULL, index); - if (!smallblock) return E_OUTOFMEMORY; - } - else - { - pbigblock = StorageImpl_GetCachedBlockChainStream(This, index); - bigblock = *pbigblock; - if (!bigblock) return E_OUTOFMEMORY; - } - - /* Change the block chain type if necessary. */ - if (smallblock && newsize.QuadPart >= LIMIT_TO_USE_SMALL_BLOCK) - { - bigblock = Storage32Impl_SmallBlocksToBigBlocks(This, &smallblock); - if (!bigblock) - { - SmallBlockChainStream_Destroy(smallblock); - return E_FAIL; - } - - pbigblock = StorageImpl_GetFreeBlockChainCacheEntry(This); - *pbigblock = bigblock; - } - else if (bigblock && newsize.QuadPart < LIMIT_TO_USE_SMALL_BLOCK) - { - smallblock = Storage32Impl_BigBlocksToSmallBlocks(This, pbigblock, newsize); - if (!smallblock) - return E_FAIL; - } - - /* Set the size of the block chain. */ - if (smallblock) - { - SmallBlockChainStream_SetSize(smallblock, newsize); - SmallBlockChainStream_Destroy(smallblock); - } - else - { - BlockChainStream_SetSize(bigblock, newsize); - } - - /* Set the size in the directory entry. */ - hr = StorageImpl_ReadDirEntry(This, index, &data); - if (SUCCEEDED(hr)) - { - data.size = newsize; - - hr = StorageImpl_WriteDirEntry(This, index, &data); - } - return hr; -} - -static HRESULT StorageImpl_StreamWriteAt(StorageBaseImpl *base, DirRef index, - ULARGE_INTEGER offset, ULONG size, const void *buffer, ULONG *bytesWritten) -{ - StorageImpl *This = (StorageImpl*)base; - DirEntry data; - HRESULT hr; - ULARGE_INTEGER newSize; - - hr = StorageImpl_ReadDirEntry(This, index, &data); - if (FAILED(hr)) return hr; - - /* Grow the stream if necessary */ - newSize.QuadPart = offset.QuadPart + size; - - if (newSize.QuadPart > data.size.QuadPart) - { - hr = StorageImpl_StreamSetSize(base, index, newSize); - if (FAILED(hr)) - return hr; - - hr = StorageImpl_ReadDirEntry(This, index, &data); - if (FAILED(hr)) return hr; - } - - if (data.size.QuadPart < LIMIT_TO_USE_SMALL_BLOCK) - { - SmallBlockChainStream *stream; - - stream = SmallBlockChainStream_Construct(This, NULL, index); - if (!stream) return E_OUTOFMEMORY; - - hr = SmallBlockChainStream_WriteAt(stream, offset, size, buffer, bytesWritten); - - SmallBlockChainStream_Destroy(stream); - - return hr; - } - else - { - BlockChainStream *stream; - - stream = *StorageImpl_GetCachedBlockChainStream(This, index); - if (!stream) return E_OUTOFMEMORY; - - return BlockChainStream_WriteAt(stream, offset, size, buffer, bytesWritten); - } -} - -static HRESULT StorageImpl_StreamLink(StorageBaseImpl *base, DirRef dst, - DirRef src) -{ - StorageImpl *This = (StorageImpl*)base; - DirEntry dst_data, src_data; - HRESULT hr; - - hr = StorageImpl_ReadDirEntry(This, dst, &dst_data); - - if (SUCCEEDED(hr)) - hr = StorageImpl_ReadDirEntry(This, src, &src_data); - - if (SUCCEEDED(hr)) - { - StorageImpl_DeleteCachedBlockChainStream(This, src); - dst_data.startingBlock = src_data.startingBlock; - dst_data.size = src_data.size; - - hr = StorageImpl_WriteDirEntry(This, dst, &dst_data); - } - - return hr; -} - -static HRESULT StorageImpl_Refresh(StorageImpl *This, BOOL new_object, BOOL create) -{ - HRESULT hr=S_OK; - DirEntry currentEntry; - DirRef currentEntryRef; - BlockChainStream *blockChainStream; - - if (create) - { - ULARGE_INTEGER size; - BYTE bigBlockBuffer[MAX_BIG_BLOCK_SIZE]; - - /* Discard any existing data. */ - size.QuadPart = 0; - ILockBytes_SetSize(This->lockBytes, size); - - /* - * Initialize all header variables: - * - The big block depot consists of one block and it is at block 0 - * - The directory table starts at block 1 - * - There is no small block depot - */ - memset( This->bigBlockDepotStart, - BLOCK_UNUSED, - sizeof(This->bigBlockDepotStart)); - - This->bigBlockDepotCount = 1; - This->bigBlockDepotStart[0] = 0; - This->rootStartBlock = 1; - This->smallBlockLimit = LIMIT_TO_USE_SMALL_BLOCK; - This->smallBlockDepotStart = BLOCK_END_OF_CHAIN; - if (This->bigBlockSize == 4096) - This->bigBlockSizeBits = MAX_BIG_BLOCK_SIZE_BITS; - else - This->bigBlockSizeBits = MIN_BIG_BLOCK_SIZE_BITS; - This->smallBlockSizeBits = DEF_SMALL_BLOCK_SIZE_BITS; - This->extBigBlockDepotStart = BLOCK_END_OF_CHAIN; - This->extBigBlockDepotCount = 0; - - StorageImpl_SaveFileHeader(This); - - /* - * Add one block for the big block depot and one block for the directory table - */ - size.HighPart = 0; - size.LowPart = This->bigBlockSize * 3; - ILockBytes_SetSize(This->lockBytes, size); - - /* - * Initialize the big block depot - */ - memset(bigBlockBuffer, BLOCK_UNUSED, This->bigBlockSize); - StorageUtl_WriteDWord(bigBlockBuffer, 0, BLOCK_SPECIAL); - StorageUtl_WriteDWord(bigBlockBuffer, sizeof(ULONG), BLOCK_END_OF_CHAIN); - StorageImpl_WriteBigBlock(This, 0, bigBlockBuffer); - } - else - { - /* - * Load the header for the file. - */ - hr = StorageImpl_LoadFileHeader(This); - - if (FAILED(hr)) - { - return hr; - } - } - - /* - * There is no block depot cached yet. - */ - This->indexBlockDepotCached = 0xFFFFFFFF; - This->indexExtBlockDepotCached = 0xFFFFFFFF; - - /* - * Start searching for free blocks with block 0. - */ - This->prevFreeBlock = 0; - - This->firstFreeSmallBlock = 0; - - /* Read the extended big block depot locations. */ - if (This->extBigBlockDepotCount != 0) - { - ULONG current_block = This->extBigBlockDepotStart; - ULONG cache_size = This->extBigBlockDepotCount * 2; - ULONG i; - - This->extBigBlockDepotLocations = HeapAlloc(GetProcessHeap(), 0, sizeof(ULONG) * cache_size); - if (!This->extBigBlockDepotLocations) - { - return E_OUTOFMEMORY; - } - - This->extBigBlockDepotLocationsSize = cache_size; - - for (i=0; i<This->extBigBlockDepotCount; i++) - { - if (current_block == BLOCK_END_OF_CHAIN) - { - WARN("File has too few extended big block depot blocks.\n"); - return STG_E_DOCFILECORRUPT; - } - This->extBigBlockDepotLocations[i] = current_block; - current_block = Storage32Impl_GetNextExtendedBlock(This, current_block); - } - } - else - { - This->extBigBlockDepotLocations = NULL; - This->extBigBlockDepotLocationsSize = 0; - } - - /* - * Create the block chain abstractions. - */ - if(!(blockChainStream = - BlockChainStream_Construct(This, &This->rootStartBlock, DIRENTRY_NULL))) - { - return STG_E_READFAULT; - } - if (!new_object) - BlockChainStream_Destroy(This->rootBlockChain); - This->rootBlockChain = blockChainStream; - - if(!(blockChainStream = - BlockChainStream_Construct(This, &This->smallBlockDepotStart, - DIRENTRY_NULL))) - { - return STG_E_READFAULT; - } - if (!new_object) - BlockChainStream_Destroy(This->smallBlockDepotChain); - This->smallBlockDepotChain = blockChainStream; - - /* - * Write the root storage entry (memory only) - */ - if (create) - { - DirEntry rootEntry; - /* - * Initialize the directory table - */ - memset(&rootEntry, 0, sizeof(rootEntry)); - lstrcpyW(rootEntry.name, L"Root Entry"); - rootEntry.sizeOfNameString = sizeof(L"Root Entry"); - rootEntry.stgType = STGTY_ROOT; - rootEntry.leftChild = DIRENTRY_NULL; - rootEntry.rightChild = DIRENTRY_NULL; - rootEntry.dirRootEntry = DIRENTRY_NULL; - rootEntry.startingBlock = BLOCK_END_OF_CHAIN; - rootEntry.size.HighPart = 0; - rootEntry.size.LowPart = 0; - - StorageImpl_WriteDirEntry(This, 0, &rootEntry); - } - - /* - * Find the ID of the root storage. - */ - currentEntryRef = 0; - - do - { - hr = StorageImpl_ReadDirEntry( - This, - currentEntryRef, - ¤tEntry); - - if (SUCCEEDED(hr)) - { - if ( (currentEntry.sizeOfNameString != 0 ) && - (currentEntry.stgType == STGTY_ROOT) ) - { - This->base.storageDirEntry = currentEntryRef; - } - } - - currentEntryRef++; - - } while (SUCCEEDED(hr) && (This->base.storageDirEntry == DIRENTRY_NULL) ); - - if (FAILED(hr)) - { - return STG_E_READFAULT; - } - - /* - * Create the block chain abstraction for the small block root chain. - */ - if(!(blockChainStream = - BlockChainStream_Construct(This, NULL, This->base.storageDirEntry))) - { - return STG_E_READFAULT; - } - if (!new_object) - BlockChainStream_Destroy(This->smallBlockRootChain); - This->smallBlockRootChain = blockChainStream; - - if (!new_object) - { - int i; - for (i=0; i<BLOCKCHAIN_CACHE_SIZE; i++) - { - BlockChainStream_Destroy(This->blockChainCache[i]); - This->blockChainCache[i] = NULL; - } - } - - return hr; -} - -static HRESULT StorageImpl_GetTransactionSig(StorageBaseImpl *base, - ULONG* result, BOOL refresh) -{ - StorageImpl *This = (StorageImpl*)base; - HRESULT hr=S_OK; - DWORD oldTransactionSig = This->transactionSig; - - if (refresh) - { - ULARGE_INTEGER offset; - ULONG bytes_read; - BYTE data[4]; - - offset.HighPart = 0; - offset.LowPart = OFFSET_TRANSACTIONSIG; - hr = StorageImpl_ReadAt(This, offset, data, 4, &bytes_read); - - if (SUCCEEDED(hr)) - { - StorageUtl_ReadDWord(data, 0, &This->transactionSig); - - if (oldTransactionSig != This->transactionSig) - { - /* Someone else wrote to this, so toss all cached information. */ - TRACE("signature changed\n"); - - hr = StorageImpl_Refresh(This, FALSE, FALSE); - } - - if (FAILED(hr)) - This->transactionSig = oldTransactionSig; - } - } - - *result = This->transactionSig; - - return hr; -} - -static HRESULT StorageImpl_SetTransactionSig(StorageBaseImpl *base, - ULONG value) -{ - StorageImpl *This = (StorageImpl*)base; - - This->transactionSig = value; - StorageImpl_SaveFileHeader(This); - - return S_OK; -} - -static HRESULT StorageImpl_LockRegion(StorageImpl *This, ULARGE_INTEGER offset, - ULARGE_INTEGER cb, DWORD dwLockType, BOOL *supported) -{ - if ((dwLockType & This->locks_supported) == 0) - { - if (supported) *supported = FALSE; - return S_OK; - } - - if (supported) *supported = TRUE; - return ILockBytes_LockRegion(This->lockBytes, offset, cb, dwLockType); -} - -static HRESULT StorageImpl_UnlockRegion(StorageImpl *This, ULARGE_INTEGER offset, - ULARGE_INTEGER cb, DWORD dwLockType) -{ - if ((dwLockType & This->locks_supported) == 0) - return S_OK; - - return ILockBytes_UnlockRegion(This->lockBytes, offset, cb, dwLockType); -} - -/* Internal function */ -static HRESULT StorageImpl_LockRegionSync(StorageImpl *This, ULARGE_INTEGER offset, - ULARGE_INTEGER cb, DWORD dwLockType, BOOL *supported) -{ - HRESULT hr; - int delay = 0; - DWORD start_time = GetTickCount(); - DWORD last_sanity_check = start_time; - ULARGE_INTEGER sanity_offset, sanity_cb; - - sanity_offset.QuadPart = RANGELOCK_UNK1_FIRST; - sanity_cb.QuadPart = RANGELOCK_UNK1_LAST - RANGELOCK_UNK1_FIRST + 1; - - do - { - hr = StorageImpl_LockRegion(This, offset, cb, dwLockType, supported); - - if (hr == STG_E_ACCESSDENIED || hr == STG_E_LOCKVIOLATION) - { - DWORD current_time = GetTickCount(); - if (current_time - start_time >= 20000) - { - /* timeout */ - break; - } - if (current_time - last_sanity_check >= 500) - { - /* Any storage implementation with the file open in a - * shared mode should not lock these bytes for writing. However, - * some programs (LibreOffice Writer) will keep ALL bytes locked - * when opening in exclusive mode. We can use a read lock to - * detect this case early, and not hang a full 20 seconds. - * - * This can collide with another attempt to open the file in - * exclusive mode, but it's unlikely, and someone would fail anyway. */ - hr = StorageImpl_LockRegion(This, sanity_offset, sanity_cb, WINE_LOCK_READ, NULL); - if (hr == STG_E_ACCESSDENIED || hr == STG_E_LOCKVIOLATION) - break; - if (SUCCEEDED(hr)) - { - StorageImpl_UnlockRegion(This, sanity_offset, sanity_cb, WINE_LOCK_READ); - hr = STG_E_ACCESSDENIED; - } - - last_sanity_check = current_time; - } - Sleep(delay); - if (delay < 150) delay++; - } - } while (hr == STG_E_ACCESSDENIED || hr == STG_E_LOCKVIOLATION); - - return hr; -} - -static HRESULT StorageImpl_LockTransaction(StorageBaseImpl *base, BOOL write) -{ - StorageImpl *This = (StorageImpl*)base; - HRESULT hr; - ULARGE_INTEGER offset, cb; - - if (write) - { - /* Synchronous grab of second priority range, the commit lock, and the - * lock-checking lock. */ - offset.QuadPart = RANGELOCK_TRANSACTION_FIRST; - cb.QuadPart = RANGELOCK_TRANSACTION_LAST - RANGELOCK_TRANSACTION_FIRST + 1; - } - else - { - offset.QuadPart = RANGELOCK_COMMIT; - cb.QuadPart = 1; - } - - hr = StorageImpl_LockRegionSync(This, offset, cb, LOCK_ONLYONCE, NULL); - - return hr; -} - -static HRESULT StorageImpl_UnlockTransaction(StorageBaseImpl *base, BOOL write) -{ - StorageImpl *This = (StorageImpl*)base; - HRESULT hr; - ULARGE_INTEGER offset, cb; - - if (write) - { - offset.QuadPart = RANGELOCK_TRANSACTION_FIRST; - cb.QuadPart = RANGELOCK_TRANSACTION_LAST - RANGELOCK_TRANSACTION_FIRST + 1; - } - else - { - offset.QuadPart = RANGELOCK_COMMIT; - cb.QuadPart = 1; - } - - hr = StorageImpl_UnlockRegion(This, offset, cb, LOCK_ONLYONCE); - - return hr; -} - -static HRESULT StorageImpl_GetFilename(StorageBaseImpl* iface, LPWSTR *result) -{ - StorageImpl *This = (StorageImpl*) iface; - STATSTG statstg; - HRESULT hr; - - hr = ILockBytes_Stat(This->lockBytes, &statstg, 0); - - *result = statstg.pwcsName; - - return hr; -} - -static HRESULT StorageImpl_CheckLockRange(StorageImpl *This, ULONG start, - ULONG end, HRESULT fail_hr) -{ - HRESULT hr; - ULARGE_INTEGER offset, cb; - - offset.QuadPart = start; - cb.QuadPart = 1 + end - start; - - hr = StorageImpl_LockRegion(This, offset, cb, LOCK_ONLYONCE, NULL); - if (SUCCEEDED(hr)) StorageImpl_UnlockRegion(This, offset, cb, LOCK_ONLYONCE); - - if (FAILED(hr)) - return fail_hr; - else - return S_OK; -} - -static HRESULT StorageImpl_LockOne(StorageImpl *This, ULONG start, ULONG end) -{ - HRESULT hr=S_OK; - int i, j; - ULARGE_INTEGER offset, cb; - - cb.QuadPart = 1; - - for (i=start; i<=end; i++) - { - offset.QuadPart = i; - hr = StorageImpl_LockRegion(This, offset, cb, LOCK_ONLYONCE, NULL); - if (hr != STG_E_ACCESSDENIED && hr != STG_E_LOCKVIOLATION) - break; - } - - if (SUCCEEDED(hr)) - { - for (j = 0; j < ARRAY_SIZE(This->locked_bytes); j++) - { - if (This->locked_bytes[j] == 0) - { - This->locked_bytes[j] = i; - break; - } - } - } - - return hr; -} - -static HRESULT StorageImpl_GrabLocks(StorageImpl *This, DWORD openFlags) -{ - HRESULT hr; - ULARGE_INTEGER offset; - ULARGE_INTEGER cb; - DWORD share_mode = STGM_SHARE_MODE(openFlags); - BOOL supported; - - if (openFlags & STGM_NOSNAPSHOT) - { - /* STGM_NOSNAPSHOT implies deny write */ - if (share_mode == STGM_SHARE_DENY_READ) share_mode = STGM_SHARE_EXCLUSIVE; - else if (share_mode != STGM_SHARE_EXCLUSIVE) share_mode = STGM_SHARE_DENY_WRITE; - } - - /* Wrap all other locking inside a single lock so we can check ranges safely */ - offset.QuadPart = RANGELOCK_CHECKLOCKS; - cb.QuadPart = 1; - hr = StorageImpl_LockRegionSync(This, offset, cb, LOCK_ONLYONCE, &supported); - - /* If the ILockBytes doesn't support locking that's ok. */ - if (!supported) return S_OK; - else if (FAILED(hr)) return hr; - - hr = S_OK; - - /* First check for any conflicting locks. */ - if ((openFlags & STGM_PRIORITY) == STGM_PRIORITY) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_COMMIT, RANGELOCK_COMMIT, STG_E_LOCKVIOLATION); - - if (SUCCEEDED(hr) && (STGM_ACCESS_MODE(openFlags) != STGM_WRITE)) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_DENY_READ_FIRST, RANGELOCK_DENY_READ_LAST, STG_E_SHAREVIOLATION); - - if (SUCCEEDED(hr) && (STGM_ACCESS_MODE(openFlags) != STGM_READ)) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_DENY_WRITE_FIRST, RANGELOCK_DENY_WRITE_LAST, STG_E_SHAREVIOLATION); - - if (SUCCEEDED(hr) && (share_mode == STGM_SHARE_DENY_READ || share_mode == STGM_SHARE_EXCLUSIVE)) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_READ_FIRST, RANGELOCK_READ_LAST, STG_E_LOCKVIOLATION); - - if (SUCCEEDED(hr) && (share_mode == STGM_SHARE_DENY_WRITE || share_mode == STGM_SHARE_EXCLUSIVE)) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_WRITE_FIRST, RANGELOCK_WRITE_LAST, STG_E_LOCKVIOLATION); - - if (SUCCEEDED(hr) && STGM_ACCESS_MODE(openFlags) == STGM_READ && share_mode == STGM_SHARE_EXCLUSIVE) - { - hr = StorageImpl_CheckLockRange(This, 0, RANGELOCK_CHECKLOCKS-1, STG_E_LOCKVIOLATION); - - if (SUCCEEDED(hr)) - hr = StorageImpl_CheckLockRange(This, RANGELOCK_CHECKLOCKS+1, RANGELOCK_LAST, STG_E_LOCKVIOLATION); - } - - /* Then grab our locks. */ - if (SUCCEEDED(hr) && (openFlags & STGM_PRIORITY) == STGM_PRIORITY) - { - hr = StorageImpl_LockOne(This, RANGELOCK_PRIORITY1_FIRST, RANGELOCK_PRIORITY1_LAST); - if (SUCCEEDED(hr)) - hr = StorageImpl_LockOne(This, RANGELOCK_PRIORITY2_FIRST, RANGELOCK_PRIORITY2_LAST); - } - - if (SUCCEEDED(hr) && (STGM_ACCESS_MODE(openFlags) != STGM_WRITE)) - hr = StorageImpl_LockOne(This, RANGELOCK_READ_FIRST, RANGELOCK_READ_LAST); - - if (SUCCEEDED(hr) && (STGM_ACCESS_MODE(openFlags) != STGM_READ)) - hr = StorageImpl_LockOne(This, RANGELOCK_WRITE_FIRST, RANGELOCK_WRITE_LAST); - - if (SUCCEEDED(hr) && (share_mode == STGM_SHARE_DENY_READ || share_mode == STGM_SHARE_EXCLUSIVE)) - hr = StorageImpl_LockOne(This, RANGELOCK_DENY_READ_FIRST, RANGELOCK_DENY_READ_LAST); - - if (SUCCEEDED(hr) && (share_mode == STGM_SHARE_DENY_WRITE || share_mode == STGM_SHARE_EXCLUSIVE)) - hr = StorageImpl_LockOne(This, RANGELOCK_DENY_WRITE_FIRST, RANGELOCK_DENY_WRITE_LAST); - - if (SUCCEEDED(hr) && (openFlags & STGM_NOSNAPSHOT) == STGM_NOSNAPSHOT) - hr = StorageImpl_LockOne(This, RANGELOCK_NOSNAPSHOT_FIRST, RANGELOCK_NOSNAPSHOT_LAST); - - offset.QuadPart = RANGELOCK_CHECKLOCKS; - cb.QuadPart = 1; - StorageImpl_UnlockRegion(This, offset, cb, LOCK_ONLYONCE); - - return hr; -} - -static HRESULT StorageImpl_Flush(StorageBaseImpl *storage) -{ - StorageImpl *This = (StorageImpl*)storage; - int i; - HRESULT hr; - TRACE("(%p)\n", This); - - hr = BlockChainStream_Flush(This->smallBlockRootChain); - - if (SUCCEEDED(hr)) - hr = BlockChainStream_Flush(This->rootBlockChain); - - if (SUCCEEDED(hr)) - hr = BlockChainStream_Flush(This->smallBlockDepotChain); - - for (i=0; SUCCEEDED(hr) && i<BLOCKCHAIN_CACHE_SIZE; i++) - if (This->blockChainCache[i]) - hr = BlockChainStream_Flush(This->blockChainCache[i]); - - if (SUCCEEDED(hr)) - hr = ILockBytes_Flush(This->lockBytes); - - return hr; -} - -static void StorageImpl_Invalidate(StorageBaseImpl* iface) -{ - StorageImpl *This = (StorageImpl*) iface; - - StorageBaseImpl_DeleteAll(&This->base); - - This->base.reverted = TRUE; -} - -static void StorageImpl_Destroy(StorageBaseImpl* iface) -{ - StorageImpl *This = (StorageImpl*) iface; - int i; - TRACE("(%p)\n", This); - - StorageImpl_Flush(iface); - - StorageImpl_Invalidate(iface); - - HeapFree(GetProcessHeap(), 0, This->extBigBlockDepotLocations); - - BlockChainStream_Destroy(This->smallBlockRootChain); - BlockChainStream_Destroy(This->rootBlockChain); - BlockChainStream_Destroy(This->smallBlockDepotChain); - - for (i = 0; i < BLOCKCHAIN_CACHE_SIZE; i++) - BlockChainStream_Destroy(This->blockChainCache[i]); - - for (i = 0; i < ARRAY_SIZE(This->locked_bytes); i++) - { - ULARGE_INTEGER offset, cb; - cb.QuadPart = 1; - if (This->locked_bytes[i] != 0) - { - offset.QuadPart = This->locked_bytes[i]; - StorageImpl_UnlockRegion(This, offset, cb, LOCK_ONLYONCE); - } - } - - if (This->lockBytes) - ILockBytes_Release(This->lockBytes); - HeapFree(GetProcessHeap(), 0, This); -} - - -static const StorageBaseImplVtbl StorageImpl_BaseVtbl = -{ - StorageImpl_Destroy, - StorageImpl_Invalidate, - StorageImpl_Flush, - StorageImpl_GetFilename, - StorageImpl_CreateDirEntry, - StorageImpl_BaseWriteDirEntry, - StorageImpl_BaseReadDirEntry, - StorageImpl_DestroyDirEntry, - StorageImpl_StreamReadAt, - StorageImpl_StreamWriteAt, - StorageImpl_StreamSetSize, - StorageImpl_StreamLink, - StorageImpl_GetTransactionSig, - StorageImpl_SetTransactionSig, - StorageImpl_LockTransaction, - StorageImpl_UnlockTransaction -}; - - -/* - * Virtual function table for the IStorageBaseImpl class. - */ -static const IStorageVtbl StorageImpl_Vtbl = -{ - StorageBaseImpl_QueryInterface, - StorageBaseImpl_AddRef, - StorageBaseImpl_Release, - StorageBaseImpl_CreateStream, - StorageBaseImpl_OpenStream, - StorageBaseImpl_CreateStorage, - StorageBaseImpl_OpenStorage, - StorageBaseImpl_CopyTo, - StorageBaseImpl_MoveElementTo, - StorageBaseImpl_Commit, - StorageBaseImpl_Revert, - StorageBaseImpl_EnumElements, - StorageBaseImpl_DestroyElement, - StorageBaseImpl_RenameElement, - StorageBaseImpl_SetElementTimes, - StorageBaseImpl_SetClass, - StorageBaseImpl_SetStateBits, - StorageBaseImpl_Stat -}; - -static HRESULT StorageImpl_Construct( - HANDLE hFile, - LPCOLESTR pwcsName, - ILockBytes* pLkbyt, - DWORD openFlags, - BOOL fileBased, - BOOL create, - ULONG sector_size, - StorageImpl** result) -{ - StorageImpl* This; - HRESULT hr = S_OK; - STATSTG stat; - - if ( FAILED( validateSTGM(openFlags) )) - return STG_E_INVALIDFLAG; - - This = HeapAlloc(GetProcessHeap(), 0, sizeof(StorageImpl)); - if (!This) - return E_OUTOFMEMORY; - - memset(This, 0, sizeof(StorageImpl)); - - list_init(&This->base.strmHead); - - list_init(&This->base.storageHead); - - This->base.IStorage_iface.lpVtbl = &StorageImpl_Vtbl; - This->base.IPropertySetStorage_iface.lpVtbl = &IPropertySetStorage_Vtbl; - This->base.IDirectWriterLock_iface.lpVtbl = &DirectWriterLockVtbl; - This->base.baseVtbl = &StorageImpl_BaseVtbl; - This->base.openFlags = (openFlags & ~STGM_CREATE); - This->base.ref = 1; - This->base.create = create; - - if (openFlags == (STGM_DIRECT_SWMR|STGM_READWRITE|STGM_SHARE_DENY_WRITE)) - This->base.lockingrole = SWMR_Writer; - else if (openFlags == (STGM_DIRECT_SWMR|STGM_READ|STGM_SHARE_DENY_NONE)) - This->base.lockingrole = SWMR_Reader; - else - This->base.lockingrole = SWMR_None; - - This->base.reverted = FALSE; - - /* - * Initialize the big block cache. - */ - This->bigBlockSize = sector_size; - This->smallBlockSize = DEF_SMALL_BLOCK_SIZE; - if (hFile) - hr = FileLockBytesImpl_Construct(hFile, openFlags, pwcsName, &This->lockBytes); - else - { - This->lockBytes = pLkbyt; - ILockBytes_AddRef(pLkbyt); - } - - if (SUCCEEDED(hr)) - hr = ILockBytes_Stat(This->lockBytes, &stat, STATFLAG_NONAME); - - if (SUCCEEDED(hr)) - { - This->locks_supported = stat.grfLocksSupported; - if (!hFile) - /* Don't try to use wine-internal locking flag with custom ILockBytes */ - This->locks_supported &= ~WINE_LOCK_READ; - - hr = StorageImpl_GrabLocks(This, openFlags); - } - - if (SUCCEEDED(hr)) - hr = StorageImpl_Refresh(This, TRUE, create); - - if (FAILED(hr)) - { - IStorage_Release(&This->base.IStorage_iface); - *result = NULL; - } - else - { - StorageImpl_Flush(&This->base); - *result = This; - } - - return hr; -} - - -/************************************************************************ - * StorageInternalImpl implementation - ***********************************************************************/ - -static void StorageInternalImpl_Invalidate( StorageBaseImpl *base ) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - if (!This->base.reverted) - { - TRACE("Storage invalidated (stg=%p)\n", This); - - This->base.reverted = TRUE; - - This->parentStorage = NULL; - - StorageBaseImpl_DeleteAll(&This->base); - - list_remove(&This->ParentListEntry); - } -} - -static void StorageInternalImpl_Destroy( StorageBaseImpl *iface) -{ - StorageInternalImpl* This = (StorageInternalImpl*) iface; - - StorageInternalImpl_Invalidate(&This->base); - - HeapFree(GetProcessHeap(), 0, This); -} - -static HRESULT StorageInternalImpl_Flush(StorageBaseImpl* iface) -{ - StorageInternalImpl* This = (StorageInternalImpl*) iface; - - return StorageBaseImpl_Flush(This->parentStorage); -} - -static HRESULT StorageInternalImpl_GetFilename(StorageBaseImpl* iface, LPWSTR *result) -{ - StorageInternalImpl* This = (StorageInternalImpl*) iface; - - return StorageBaseImpl_GetFilename(This->parentStorage, result); -} - -static HRESULT StorageInternalImpl_CreateDirEntry(StorageBaseImpl *base, - const DirEntry *newData, DirRef *index) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_CreateDirEntry(This->parentStorage, - newData, index); -} - -static HRESULT StorageInternalImpl_WriteDirEntry(StorageBaseImpl *base, - DirRef index, const DirEntry *data) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_WriteDirEntry(This->parentStorage, - index, data); -} - -static HRESULT StorageInternalImpl_ReadDirEntry(StorageBaseImpl *base, - DirRef index, DirEntry *data) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_ReadDirEntry(This->parentStorage, - index, data); -} - -static HRESULT StorageInternalImpl_DestroyDirEntry(StorageBaseImpl *base, - DirRef index) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_DestroyDirEntry(This->parentStorage, - index); -} - -static HRESULT StorageInternalImpl_StreamReadAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, void *buffer, ULONG *bytesRead) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_StreamReadAt(This->parentStorage, - index, offset, size, buffer, bytesRead); -} - -static HRESULT StorageInternalImpl_StreamWriteAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, const void *buffer, ULONG *bytesWritten) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_StreamWriteAt(This->parentStorage, - index, offset, size, buffer, bytesWritten); -} - -static HRESULT StorageInternalImpl_StreamSetSize(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER newsize) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_StreamSetSize(This->parentStorage, - index, newsize); -} - -static HRESULT StorageInternalImpl_StreamLink(StorageBaseImpl *base, - DirRef dst, DirRef src) -{ - StorageInternalImpl* This = (StorageInternalImpl*) base; - - return StorageBaseImpl_StreamLink(This->parentStorage, - dst, src); -} - -static HRESULT StorageInternalImpl_GetTransactionSig(StorageBaseImpl *base, - ULONG* result, BOOL refresh) -{ - return E_NOTIMPL; -} - -static HRESULT StorageInternalImpl_SetTransactionSig(StorageBaseImpl *base, - ULONG value) -{ - return E_NOTIMPL; -} - -static HRESULT StorageInternalImpl_LockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -static HRESULT StorageInternalImpl_UnlockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -/****************************************************************************** -** -** StorageInternalImpl_Commit -** -*/ -static HRESULT WINAPI StorageInternalImpl_Commit( - IStorage* iface, - DWORD grfCommitFlags) /* [in] */ -{ - StorageBaseImpl* This = impl_from_IStorage(iface); - TRACE("%p, %#lx.\n", iface, grfCommitFlags); - return StorageBaseImpl_Flush(This); -} - -/****************************************************************************** -** -** StorageInternalImpl_Revert -** -*/ -static HRESULT WINAPI StorageInternalImpl_Revert( - IStorage* iface) -{ - FIXME("(%p): stub\n", iface); - return S_OK; -} - -/* - * Virtual function table for the StorageInternalImpl class. - */ -static const IStorageVtbl StorageInternalImpl_Vtbl = -{ - StorageBaseImpl_QueryInterface, - StorageBaseImpl_AddRef, - StorageBaseImpl_Release, - StorageBaseImpl_CreateStream, - StorageBaseImpl_OpenStream, - StorageBaseImpl_CreateStorage, - StorageBaseImpl_OpenStorage, - StorageBaseImpl_CopyTo, - StorageBaseImpl_MoveElementTo, - StorageInternalImpl_Commit, - StorageInternalImpl_Revert, - StorageBaseImpl_EnumElements, - StorageBaseImpl_DestroyElement, - StorageBaseImpl_RenameElement, - StorageBaseImpl_SetElementTimes, - StorageBaseImpl_SetClass, - StorageBaseImpl_SetStateBits, - StorageBaseImpl_Stat -}; - -static const StorageBaseImplVtbl StorageInternalImpl_BaseVtbl = -{ - StorageInternalImpl_Destroy, - StorageInternalImpl_Invalidate, - StorageInternalImpl_Flush, - StorageInternalImpl_GetFilename, - StorageInternalImpl_CreateDirEntry, - StorageInternalImpl_WriteDirEntry, - StorageInternalImpl_ReadDirEntry, - StorageInternalImpl_DestroyDirEntry, - StorageInternalImpl_StreamReadAt, - StorageInternalImpl_StreamWriteAt, - StorageInternalImpl_StreamSetSize, - StorageInternalImpl_StreamLink, - StorageInternalImpl_GetTransactionSig, - StorageInternalImpl_SetTransactionSig, - StorageInternalImpl_LockTransaction, - StorageInternalImpl_UnlockTransaction -}; - -static StorageInternalImpl* StorageInternalImpl_Construct( - StorageBaseImpl* parentStorage, - DWORD openFlags, - DirRef storageDirEntry) -{ - StorageInternalImpl* newStorage; - - newStorage = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(StorageInternalImpl)); - - if (newStorage!=0) - { - list_init(&newStorage->base.strmHead); - - list_init(&newStorage->base.storageHead); - - /* - * Initialize the virtual function table. - */ - newStorage->base.IStorage_iface.lpVtbl = &StorageInternalImpl_Vtbl; - newStorage->base.IPropertySetStorage_iface.lpVtbl = &IPropertySetStorage_Vtbl; - newStorage->base.baseVtbl = &StorageInternalImpl_BaseVtbl; - newStorage->base.openFlags = (openFlags & ~STGM_CREATE); - - newStorage->base.reverted = FALSE; - - newStorage->base.ref = 1; - - newStorage->parentStorage = parentStorage; - - /* - * Keep a reference to the directory entry of this storage - */ - newStorage->base.storageDirEntry = storageDirEntry; - - newStorage->base.create = FALSE; - - return newStorage; - } - - return 0; -} - - -/************************************************************************ - * TransactedSnapshotImpl implementation - ***********************************************************************/ - -static DirRef TransactedSnapshotImpl_FindFreeEntry(TransactedSnapshotImpl *This) -{ - DirRef result=This->firstFreeEntry; - - while (result < This->entries_size && This->entries[result].inuse) - result++; - - if (result == This->entries_size) - { - ULONG new_size = This->entries_size * 2; - TransactedDirEntry *new_entries; - - new_entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(TransactedDirEntry) * new_size); - if (!new_entries) return DIRENTRY_NULL; - - memcpy(new_entries, This->entries, sizeof(TransactedDirEntry) * This->entries_size); - HeapFree(GetProcessHeap(), 0, This->entries); - - This->entries = new_entries; - This->entries_size = new_size; - } - - This->entries[result].inuse = TRUE; - - This->firstFreeEntry = result+1; - - return result; -} - -static DirRef TransactedSnapshotImpl_CreateStubEntry( - TransactedSnapshotImpl *This, DirRef parentEntryRef) -{ - DirRef stubEntryRef; - TransactedDirEntry *entry; - - stubEntryRef = TransactedSnapshotImpl_FindFreeEntry(This); - - if (stubEntryRef != DIRENTRY_NULL) - { - entry = &This->entries[stubEntryRef]; - - entry->newTransactedParentEntry = entry->transactedParentEntry = parentEntryRef; - - entry->read = FALSE; - } - - return stubEntryRef; -} - -static HRESULT TransactedSnapshotImpl_EnsureReadEntry( - TransactedSnapshotImpl *This, DirRef entry) -{ - HRESULT hr=S_OK; - DirEntry data; - - if (!This->entries[entry].read) - { - hr = StorageBaseImpl_ReadDirEntry(This->transactedParent, - This->entries[entry].transactedParentEntry, - &data); - - if (SUCCEEDED(hr) && data.leftChild != DIRENTRY_NULL) - { - data.leftChild = TransactedSnapshotImpl_CreateStubEntry(This, data.leftChild); - - if (data.leftChild == DIRENTRY_NULL) - hr = E_OUTOFMEMORY; - } - - if (SUCCEEDED(hr) && data.rightChild != DIRENTRY_NULL) - { - data.rightChild = TransactedSnapshotImpl_CreateStubEntry(This, data.rightChild); - - if (data.rightChild == DIRENTRY_NULL) - hr = E_OUTOFMEMORY; - } - - if (SUCCEEDED(hr) && data.dirRootEntry != DIRENTRY_NULL) - { - data.dirRootEntry = TransactedSnapshotImpl_CreateStubEntry(This, data.dirRootEntry); - - if (data.dirRootEntry == DIRENTRY_NULL) - hr = E_OUTOFMEMORY; - } - - if (SUCCEEDED(hr)) - { - memcpy(&This->entries[entry].data, &data, sizeof(DirEntry)); - This->entries[entry].read = TRUE; - } - } - - return hr; -} - -static HRESULT TransactedSnapshotImpl_MakeStreamDirty( - TransactedSnapshotImpl *This, DirRef entry) -{ - HRESULT hr = S_OK; - - if (!This->entries[entry].stream_dirty) - { - DirEntry new_entrydata; - - memset(&new_entrydata, 0, sizeof(DirEntry)); - new_entrydata.name[0] = 'S'; - new_entrydata.sizeOfNameString = 1; - new_entrydata.stgType = STGTY_STREAM; - new_entrydata.startingBlock = BLOCK_END_OF_CHAIN; - new_entrydata.leftChild = DIRENTRY_NULL; - new_entrydata.rightChild = DIRENTRY_NULL; - new_entrydata.dirRootEntry = DIRENTRY_NULL; - - hr = StorageBaseImpl_CreateDirEntry(This->scratch, &new_entrydata, - &This->entries[entry].stream_entry); - - if (SUCCEEDED(hr) && This->entries[entry].transactedParentEntry != DIRENTRY_NULL) - { - hr = StorageBaseImpl_CopyStream( - This->scratch, This->entries[entry].stream_entry, - This->transactedParent, This->entries[entry].transactedParentEntry); - - if (FAILED(hr)) - StorageBaseImpl_DestroyDirEntry(This->scratch, This->entries[entry].stream_entry); - } - - if (SUCCEEDED(hr)) - This->entries[entry].stream_dirty = TRUE; - - if (This->entries[entry].transactedParentEntry != DIRENTRY_NULL) - { - /* Since this entry is modified, and we aren't using its stream data, we - * no longer care about the original entry. */ - DirRef delete_ref; - delete_ref = TransactedSnapshotImpl_CreateStubEntry(This, This->entries[entry].transactedParentEntry); - - if (delete_ref != DIRENTRY_NULL) - This->entries[delete_ref].deleted = TRUE; - - This->entries[entry].transactedParentEntry = This->entries[entry].newTransactedParentEntry = DIRENTRY_NULL; - } - } - - return hr; -} - -/* Find the first entry in a depth-first traversal. */ -static DirRef TransactedSnapshotImpl_FindFirstChild( - TransactedSnapshotImpl* This, DirRef parent) -{ - DirRef cursor, prev; - TransactedDirEntry *entry; - - cursor = parent; - entry = &This->entries[cursor]; - while (entry->read) - { - if (entry->data.leftChild != DIRENTRY_NULL) - { - prev = cursor; - cursor = entry->data.leftChild; - entry = &This->entries[cursor]; - entry->parent = prev; - } - else if (entry->data.rightChild != DIRENTRY_NULL) - { - prev = cursor; - cursor = entry->data.rightChild; - entry = &This->entries[cursor]; - entry->parent = prev; - } - else if (entry->data.dirRootEntry != DIRENTRY_NULL) - { - prev = cursor; - cursor = entry->data.dirRootEntry; - entry = &This->entries[cursor]; - entry->parent = prev; - } - else - break; - } - - return cursor; -} - -/* Find the next entry in a depth-first traversal. */ -static DirRef TransactedSnapshotImpl_FindNextChild( - TransactedSnapshotImpl* This, DirRef current) -{ - DirRef parent; - TransactedDirEntry *parent_entry; - - parent = This->entries[current].parent; - parent_entry = &This->entries[parent]; - - if (parent != DIRENTRY_NULL && parent_entry->data.dirRootEntry != current) - { - if (parent_entry->data.rightChild != current && parent_entry->data.rightChild != DIRENTRY_NULL) - { - This->entries[parent_entry->data.rightChild].parent = parent; - return TransactedSnapshotImpl_FindFirstChild(This, parent_entry->data.rightChild); - } - - if (parent_entry->data.dirRootEntry != DIRENTRY_NULL) - { - This->entries[parent_entry->data.dirRootEntry].parent = parent; - return TransactedSnapshotImpl_FindFirstChild(This, parent_entry->data.dirRootEntry); - } - } - - return parent; -} - -/* Return TRUE if we've made a copy of this entry for committing to the parent. */ -static inline BOOL TransactedSnapshotImpl_MadeCopy( - TransactedSnapshotImpl* This, DirRef entry) -{ - return entry != DIRENTRY_NULL && - This->entries[entry].newTransactedParentEntry != This->entries[entry].transactedParentEntry; -} - -/* Destroy the entries created by CopyTree. */ -static void TransactedSnapshotImpl_DestroyTemporaryCopy( - TransactedSnapshotImpl* This, DirRef stop) -{ - DirRef cursor; - TransactedDirEntry *entry; - ULARGE_INTEGER zero; - - zero.QuadPart = 0; - - if (!This->entries[This->base.storageDirEntry].read) - return; - - cursor = This->entries[This->base.storageDirEntry].data.dirRootEntry; - - if (cursor == DIRENTRY_NULL) - return; - - cursor = TransactedSnapshotImpl_FindFirstChild(This, cursor); - - while (cursor != DIRENTRY_NULL && cursor != stop) - { - if (TransactedSnapshotImpl_MadeCopy(This, cursor)) - { - entry = &This->entries[cursor]; - - if (entry->stream_dirty) - StorageBaseImpl_StreamSetSize(This->transactedParent, - entry->newTransactedParentEntry, zero); - - StorageBaseImpl_DestroyDirEntry(This->transactedParent, - entry->newTransactedParentEntry); - - entry->newTransactedParentEntry = entry->transactedParentEntry; - } - - cursor = TransactedSnapshotImpl_FindNextChild(This, cursor); - } -} - -/* Make a copy of our edited tree that we can use in the parent. */ -static HRESULT TransactedSnapshotImpl_CopyTree(TransactedSnapshotImpl* This) -{ - DirRef cursor; - TransactedDirEntry *entry; - HRESULT hr = S_OK; - - cursor = This->base.storageDirEntry; - entry = &This->entries[cursor]; - entry->parent = DIRENTRY_NULL; - entry->newTransactedParentEntry = entry->transactedParentEntry; - - if (entry->data.dirRootEntry == DIRENTRY_NULL) - return S_OK; - - This->entries[entry->data.dirRootEntry].parent = DIRENTRY_NULL; - - cursor = TransactedSnapshotImpl_FindFirstChild(This, entry->data.dirRootEntry); - entry = &This->entries[cursor]; - - while (cursor != DIRENTRY_NULL) - { - /* Make a copy of this entry in the transacted parent. */ - if (!entry->read || - (!entry->dirty && !entry->stream_dirty && - !TransactedSnapshotImpl_MadeCopy(This, entry->data.leftChild) && - !TransactedSnapshotImpl_MadeCopy(This, entry->data.rightChild) && - !TransactedSnapshotImpl_MadeCopy(This, entry->data.dirRootEntry))) - entry->newTransactedParentEntry = entry->transactedParentEntry; - else - { - DirEntry newData; - - memcpy(&newData, &entry->data, sizeof(DirEntry)); - - newData.size.QuadPart = 0; - newData.startingBlock = BLOCK_END_OF_CHAIN; - - if (newData.leftChild != DIRENTRY_NULL) - newData.leftChild = This->entries[newData.leftChild].newTransactedParentEntry; - - if (newData.rightChild != DIRENTRY_NULL) - newData.rightChild = This->entries[newData.rightChild].newTransactedParentEntry; - - if (newData.dirRootEntry != DIRENTRY_NULL) - newData.dirRootEntry = This->entries[newData.dirRootEntry].newTransactedParentEntry; - - hr = StorageBaseImpl_CreateDirEntry(This->transactedParent, &newData, - &entry->newTransactedParentEntry); - if (FAILED(hr)) - { - TransactedSnapshotImpl_DestroyTemporaryCopy(This, cursor); - return hr; - } - - if (entry->stream_dirty) - { - hr = StorageBaseImpl_CopyStream( - This->transactedParent, entry->newTransactedParentEntry, - This->scratch, entry->stream_entry); - } - else if (entry->data.size.QuadPart) - { - hr = StorageBaseImpl_StreamLink( - This->transactedParent, entry->newTransactedParentEntry, - entry->transactedParentEntry); - } - - if (FAILED(hr)) - { - cursor = TransactedSnapshotImpl_FindNextChild(This, cursor); - TransactedSnapshotImpl_DestroyTemporaryCopy(This, cursor); - return hr; - } - } - - cursor = TransactedSnapshotImpl_FindNextChild(This, cursor); - entry = &This->entries[cursor]; - } - - return hr; -} - -static HRESULT WINAPI TransactedSnapshotImpl_Commit( - IStorage* iface, - DWORD grfCommitFlags) /* [in] */ -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*)impl_from_IStorage(iface); - TransactedDirEntry *root_entry; - DirRef i, dir_root_ref; - DirEntry data; - ULARGE_INTEGER zero; - HRESULT hr; - ULONG transactionSig; - - zero.QuadPart = 0; - - TRACE("%p, %#lx.\n", iface, grfCommitFlags); - - /* Cannot commit a read-only transacted storage */ - if ( STGM_ACCESS_MODE( This->base.openFlags ) == STGM_READ ) - return STG_E_ACCESSDENIED; - - hr = StorageBaseImpl_LockTransaction(This->transactedParent, TRUE); - if (hr == E_NOTIMPL) hr = S_OK; - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_GetTransactionSig(This->transactedParent, &transactionSig, TRUE); - if (SUCCEEDED(hr)) - { - if (transactionSig != This->lastTransactionSig) - { - ERR("file was externally modified\n"); - hr = STG_E_NOTCURRENT; - } - - if (SUCCEEDED(hr)) - { - This->lastTransactionSig = transactionSig+1; - hr = StorageBaseImpl_SetTransactionSig(This->transactedParent, This->lastTransactionSig); - } - } - else if (hr == E_NOTIMPL) - hr = S_OK; - - if (FAILED(hr)) goto end; - - /* To prevent data loss, we create the new structure in the file before we - * delete the old one, so that in case of errors the old data is intact. We - * shouldn't do this if STGC_OVERWRITE is set, but that flag should only be - * needed in the rare situation where we have just enough free disk space to - * overwrite the existing data. */ - - root_entry = &This->entries[This->base.storageDirEntry]; - - if (!root_entry->read) - goto end; - - hr = TransactedSnapshotImpl_CopyTree(This); - if (FAILED(hr)) goto end; - - if (root_entry->data.dirRootEntry == DIRENTRY_NULL) - dir_root_ref = DIRENTRY_NULL; - else - dir_root_ref = This->entries[root_entry->data.dirRootEntry].newTransactedParentEntry; - - hr = StorageBaseImpl_Flush(This->transactedParent); - - /* Update the storage to use the new data in one step. */ - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_ReadDirEntry(This->transactedParent, - root_entry->transactedParentEntry, &data); - - if (SUCCEEDED(hr)) - { - data.dirRootEntry = dir_root_ref; - data.clsid = root_entry->data.clsid; - data.ctime = root_entry->data.ctime; - data.mtime = root_entry->data.mtime; - - hr = StorageBaseImpl_WriteDirEntry(This->transactedParent, - root_entry->transactedParentEntry, &data); - } - - /* Try to flush after updating the root storage, but if the flush fails, keep - * going, on the theory that it'll either succeed later or the subsequent - * writes will fail. */ - StorageBaseImpl_Flush(This->transactedParent); - - if (SUCCEEDED(hr)) - { - /* Destroy the old now-orphaned data. */ - for (i=0; i<This->entries_size; i++) - { - TransactedDirEntry *entry = &This->entries[i]; - if (entry->inuse) - { - if (entry->deleted) - { - StorageBaseImpl_StreamSetSize(This->transactedParent, - entry->transactedParentEntry, zero); - StorageBaseImpl_DestroyDirEntry(This->transactedParent, - entry->transactedParentEntry); - memset(entry, 0, sizeof(TransactedDirEntry)); - This->firstFreeEntry = min(i, This->firstFreeEntry); - } - else if (entry->read && entry->transactedParentEntry != entry->newTransactedParentEntry) - { - if (entry->transactedParentEntry != DIRENTRY_NULL) - StorageBaseImpl_DestroyDirEntry(This->transactedParent, - entry->transactedParentEntry); - if (entry->stream_dirty) - { - StorageBaseImpl_StreamSetSize(This->scratch, entry->stream_entry, zero); - StorageBaseImpl_DestroyDirEntry(This->scratch, entry->stream_entry); - entry->stream_dirty = FALSE; - } - entry->dirty = FALSE; - entry->transactedParentEntry = entry->newTransactedParentEntry; - } - } - } - } - else - { - TransactedSnapshotImpl_DestroyTemporaryCopy(This, DIRENTRY_NULL); - } - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This->transactedParent); -end: - StorageBaseImpl_UnlockTransaction(This->transactedParent, TRUE); - } - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT WINAPI TransactedSnapshotImpl_Revert( - IStorage* iface) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*)impl_from_IStorage(iface); - ULARGE_INTEGER zero; - ULONG i; - - TRACE("(%p)\n", iface); - - /* Destroy the open objects. */ - StorageBaseImpl_DeleteAll(&This->base); - - /* Clear out the scratch file. */ - zero.QuadPart = 0; - for (i=0; i<This->entries_size; i++) - { - if (This->entries[i].stream_dirty) - { - StorageBaseImpl_StreamSetSize(This->scratch, This->entries[i].stream_entry, - zero); - - StorageBaseImpl_DestroyDirEntry(This->scratch, This->entries[i].stream_entry); - } - } - - memset(This->entries, 0, sizeof(TransactedDirEntry) * This->entries_size); - - This->firstFreeEntry = 0; - This->base.storageDirEntry = TransactedSnapshotImpl_CreateStubEntry(This, This->transactedParent->storageDirEntry); - - return S_OK; -} - -static void TransactedSnapshotImpl_Invalidate(StorageBaseImpl* This) -{ - if (!This->reverted) - { - TRACE("Storage invalidated (stg=%p)\n", This); - - This->reverted = TRUE; - - StorageBaseImpl_DeleteAll(This); - } -} - -static void TransactedSnapshotImpl_Destroy( StorageBaseImpl *iface) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) iface; - - IStorage_Revert(&This->base.IStorage_iface); - IStorage_Release(&This->transactedParent->IStorage_iface); - IStorage_Release(&This->scratch->IStorage_iface); - HeapFree(GetProcessHeap(), 0, This->entries); - HeapFree(GetProcessHeap(), 0, This); -} - -static HRESULT TransactedSnapshotImpl_Flush(StorageBaseImpl* iface) -{ - /* We only need to flush when committing. */ - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_GetFilename(StorageBaseImpl* iface, LPWSTR *result) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) iface; - - return StorageBaseImpl_GetFilename(This->transactedParent, result); -} - -static HRESULT TransactedSnapshotImpl_CreateDirEntry(StorageBaseImpl *base, - const DirEntry *newData, DirRef *index) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - DirRef new_ref; - TransactedDirEntry *new_entry; - - new_ref = TransactedSnapshotImpl_FindFreeEntry(This); - if (new_ref == DIRENTRY_NULL) - return E_OUTOFMEMORY; - - new_entry = &This->entries[new_ref]; - - new_entry->newTransactedParentEntry = new_entry->transactedParentEntry = DIRENTRY_NULL; - new_entry->read = TRUE; - new_entry->dirty = TRUE; - memcpy(&new_entry->data, newData, sizeof(DirEntry)); - - *index = new_ref; - - TRACE("%s l=%lx r=%lx d=%lx <-- %lx\n", debugstr_w(newData->name), newData->leftChild, newData->rightChild, newData->dirRootEntry, *index); - - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_WriteDirEntry(StorageBaseImpl *base, - DirRef index, const DirEntry *data) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - HRESULT hr; - - TRACE("%lx %s l=%lx r=%lx d=%lx\n", index, debugstr_w(data->name), data->leftChild, data->rightChild, data->dirRootEntry); - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, index); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - memcpy(&This->entries[index].data, data, sizeof(DirEntry)); - - if (index != This->base.storageDirEntry) - { - This->entries[index].dirty = TRUE; - - if (data->size.QuadPart == 0 && - This->entries[index].transactedParentEntry != DIRENTRY_NULL) - { - /* Since this entry is modified, and we aren't using its stream data, we - * no longer care about the original entry. */ - DirRef delete_ref; - delete_ref = TransactedSnapshotImpl_CreateStubEntry(This, This->entries[index].transactedParentEntry); - - if (delete_ref != DIRENTRY_NULL) - This->entries[delete_ref].deleted = TRUE; - - This->entries[index].transactedParentEntry = This->entries[index].newTransactedParentEntry = DIRENTRY_NULL; - } - } - TRACE("<-- S_OK\n"); - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_ReadDirEntry(StorageBaseImpl *base, - DirRef index, DirEntry *data) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - HRESULT hr; - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, index); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - memcpy(data, &This->entries[index].data, sizeof(DirEntry)); - - TRACE("%lx %s l=%lx r=%lx d=%lx\n", index, debugstr_w(data->name), data->leftChild, data->rightChild, data->dirRootEntry); - - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_DestroyDirEntry(StorageBaseImpl *base, - DirRef index) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - - if (This->entries[index].transactedParentEntry == DIRENTRY_NULL || - This->entries[index].data.size.QuadPart != 0) - { - /* If we deleted this entry while it has stream data. We must have left the - * data because some other entry is using it, and we need to leave the - * original entry alone. */ - memset(&This->entries[index], 0, sizeof(TransactedDirEntry)); - This->firstFreeEntry = min(index, This->firstFreeEntry); - } - else - { - This->entries[index].deleted = TRUE; - } - - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_StreamReadAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, void *buffer, ULONG *bytesRead) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - - if (This->entries[index].stream_dirty) - { - return StorageBaseImpl_StreamReadAt(This->scratch, - This->entries[index].stream_entry, offset, size, buffer, bytesRead); - } - else if (This->entries[index].transactedParentEntry == DIRENTRY_NULL) - { - /* This stream doesn't live in the parent, and we haven't allocated storage - * for it yet */ - *bytesRead = 0; - return S_OK; - } - else - { - return StorageBaseImpl_StreamReadAt(This->transactedParent, - This->entries[index].transactedParentEntry, offset, size, buffer, bytesRead); - } -} - -static HRESULT TransactedSnapshotImpl_StreamWriteAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, const void *buffer, ULONG *bytesWritten) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - HRESULT hr; - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, index); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - hr = TransactedSnapshotImpl_MakeStreamDirty(This, index); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - hr = StorageBaseImpl_StreamWriteAt(This->scratch, - This->entries[index].stream_entry, offset, size, buffer, bytesWritten); - - if (SUCCEEDED(hr) && size != 0) - This->entries[index].data.size.QuadPart = max( - This->entries[index].data.size.QuadPart, - offset.QuadPart + size); - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT TransactedSnapshotImpl_StreamSetSize(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER newsize) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - HRESULT hr; - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, index); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - if (This->entries[index].data.size.QuadPart == newsize.QuadPart) - return S_OK; - - if (newsize.QuadPart == 0) - { - /* Destroy any parent references or entries in the scratch file. */ - if (This->entries[index].stream_dirty) - { - ULARGE_INTEGER zero; - zero.QuadPart = 0; - StorageBaseImpl_StreamSetSize(This->scratch, - This->entries[index].stream_entry, zero); - StorageBaseImpl_DestroyDirEntry(This->scratch, - This->entries[index].stream_entry); - This->entries[index].stream_dirty = FALSE; - } - else if (This->entries[index].transactedParentEntry != DIRENTRY_NULL) - { - DirRef delete_ref; - delete_ref = TransactedSnapshotImpl_CreateStubEntry(This, This->entries[index].transactedParentEntry); - - if (delete_ref != DIRENTRY_NULL) - This->entries[delete_ref].deleted = TRUE; - - This->entries[index].transactedParentEntry = This->entries[index].newTransactedParentEntry = DIRENTRY_NULL; - } - } - else - { - hr = TransactedSnapshotImpl_MakeStreamDirty(This, index); - if (FAILED(hr)) return hr; - - hr = StorageBaseImpl_StreamSetSize(This->scratch, - This->entries[index].stream_entry, newsize); - } - - if (SUCCEEDED(hr)) - This->entries[index].data.size = newsize; - - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT TransactedSnapshotImpl_StreamLink(StorageBaseImpl *base, - DirRef dst, DirRef src) -{ - TransactedSnapshotImpl* This = (TransactedSnapshotImpl*) base; - HRESULT hr; - TransactedDirEntry *dst_entry, *src_entry; - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, src); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - hr = TransactedSnapshotImpl_EnsureReadEntry(This, dst); - if (FAILED(hr)) - { - TRACE("<-- %#lx\n", hr); - return hr; - } - - dst_entry = &This->entries[dst]; - src_entry = &This->entries[src]; - - dst_entry->stream_dirty = src_entry->stream_dirty; - dst_entry->stream_entry = src_entry->stream_entry; - dst_entry->transactedParentEntry = src_entry->transactedParentEntry; - dst_entry->newTransactedParentEntry = src_entry->newTransactedParentEntry; - dst_entry->data.size = src_entry->data.size; - - return S_OK; -} - -static HRESULT TransactedSnapshotImpl_GetTransactionSig(StorageBaseImpl *base, - ULONG* result, BOOL refresh) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSnapshotImpl_SetTransactionSig(StorageBaseImpl *base, - ULONG value) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSnapshotImpl_LockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSnapshotImpl_UnlockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -static const IStorageVtbl TransactedSnapshotImpl_Vtbl = -{ - StorageBaseImpl_QueryInterface, - StorageBaseImpl_AddRef, - StorageBaseImpl_Release, - StorageBaseImpl_CreateStream, - StorageBaseImpl_OpenStream, - StorageBaseImpl_CreateStorage, - StorageBaseImpl_OpenStorage, - StorageBaseImpl_CopyTo, - StorageBaseImpl_MoveElementTo, - TransactedSnapshotImpl_Commit, - TransactedSnapshotImpl_Revert, - StorageBaseImpl_EnumElements, - StorageBaseImpl_DestroyElement, - StorageBaseImpl_RenameElement, - StorageBaseImpl_SetElementTimes, - StorageBaseImpl_SetClass, - StorageBaseImpl_SetStateBits, - StorageBaseImpl_Stat -}; - -static const StorageBaseImplVtbl TransactedSnapshotImpl_BaseVtbl = -{ - TransactedSnapshotImpl_Destroy, - TransactedSnapshotImpl_Invalidate, - TransactedSnapshotImpl_Flush, - TransactedSnapshotImpl_GetFilename, - TransactedSnapshotImpl_CreateDirEntry, - TransactedSnapshotImpl_WriteDirEntry, - TransactedSnapshotImpl_ReadDirEntry, - TransactedSnapshotImpl_DestroyDirEntry, - TransactedSnapshotImpl_StreamReadAt, - TransactedSnapshotImpl_StreamWriteAt, - TransactedSnapshotImpl_StreamSetSize, - TransactedSnapshotImpl_StreamLink, - TransactedSnapshotImpl_GetTransactionSig, - TransactedSnapshotImpl_SetTransactionSig, - TransactedSnapshotImpl_LockTransaction, - TransactedSnapshotImpl_UnlockTransaction -}; - -static HRESULT TransactedSnapshotImpl_Construct(StorageBaseImpl *parentStorage, - TransactedSnapshotImpl** result) -{ - HRESULT hr; - - *result = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(TransactedSnapshotImpl)); - if (*result) - { - IStorage *scratch; - - (*result)->base.IStorage_iface.lpVtbl = &TransactedSnapshotImpl_Vtbl; - - /* This is OK because the property set storage functions use the IStorage functions. */ - (*result)->base.IPropertySetStorage_iface.lpVtbl = parentStorage->IPropertySetStorage_iface.lpVtbl; - (*result)->base.baseVtbl = &TransactedSnapshotImpl_BaseVtbl; - - list_init(&(*result)->base.strmHead); - - list_init(&(*result)->base.storageHead); - - (*result)->base.ref = 1; - - (*result)->base.openFlags = parentStorage->openFlags; - - /* This cannot fail, except with E_NOTIMPL in which case we don't care */ - StorageBaseImpl_GetTransactionSig(parentStorage, &(*result)->lastTransactionSig, FALSE); - - /* Create a new temporary storage to act as the scratch file. */ - hr = StgCreateDocfile(NULL, STGM_READWRITE|STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_DELETEONRELEASE, - 0, &scratch); - (*result)->scratch = impl_from_IStorage(scratch); - - if (SUCCEEDED(hr)) - { - ULONG num_entries = 20; - - (*result)->entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(TransactedDirEntry) * num_entries); - (*result)->entries_size = num_entries; - (*result)->firstFreeEntry = 0; - - if ((*result)->entries) - { - /* parentStorage already has 1 reference, which we take over here. */ - (*result)->transactedParent = parentStorage; - - parentStorage->transactedChild = &(*result)->base; - - (*result)->base.storageDirEntry = TransactedSnapshotImpl_CreateStubEntry(*result, parentStorage->storageDirEntry); - } - else - { - IStorage_Release(scratch); - - hr = E_OUTOFMEMORY; - } - } - - if (FAILED(hr)) HeapFree(GetProcessHeap(), 0, *result); - - return hr; - } - else - return E_OUTOFMEMORY; -} - - -/************************************************************************ - * TransactedSharedImpl implementation - ***********************************************************************/ - -static void TransactedSharedImpl_Invalidate(StorageBaseImpl* This) -{ - if (!This->reverted) - { - TRACE("Storage invalidated (stg=%p)\n", This); - - This->reverted = TRUE; - - StorageBaseImpl_DeleteAll(This); - } -} - -static void TransactedSharedImpl_Destroy( StorageBaseImpl *iface) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) iface; - - TransactedSharedImpl_Invalidate(&This->base); - IStorage_Release(&This->transactedParent->IStorage_iface); - IStorage_Release(&This->scratch->base.IStorage_iface); - HeapFree(GetProcessHeap(), 0, This); -} - -static HRESULT TransactedSharedImpl_Flush(StorageBaseImpl* iface) -{ - /* We only need to flush when committing. */ - return S_OK; -} - -static HRESULT TransactedSharedImpl_GetFilename(StorageBaseImpl* iface, LPWSTR *result) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) iface; - - return StorageBaseImpl_GetFilename(This->transactedParent, result); -} - -static HRESULT TransactedSharedImpl_CreateDirEntry(StorageBaseImpl *base, - const DirEntry *newData, DirRef *index) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_CreateDirEntry(&This->scratch->base, - newData, index); -} - -static HRESULT TransactedSharedImpl_WriteDirEntry(StorageBaseImpl *base, - DirRef index, const DirEntry *data) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_WriteDirEntry(&This->scratch->base, - index, data); -} - -static HRESULT TransactedSharedImpl_ReadDirEntry(StorageBaseImpl *base, - DirRef index, DirEntry *data) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_ReadDirEntry(&This->scratch->base, - index, data); -} - -static HRESULT TransactedSharedImpl_DestroyDirEntry(StorageBaseImpl *base, - DirRef index) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_DestroyDirEntry(&This->scratch->base, - index); -} - -static HRESULT TransactedSharedImpl_StreamReadAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, void *buffer, ULONG *bytesRead) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_StreamReadAt(&This->scratch->base, - index, offset, size, buffer, bytesRead); -} - -static HRESULT TransactedSharedImpl_StreamWriteAt(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER offset, ULONG size, const void *buffer, ULONG *bytesWritten) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_StreamWriteAt(&This->scratch->base, - index, offset, size, buffer, bytesWritten); -} - -static HRESULT TransactedSharedImpl_StreamSetSize(StorageBaseImpl *base, - DirRef index, ULARGE_INTEGER newsize) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_StreamSetSize(&This->scratch->base, - index, newsize); -} - -static HRESULT TransactedSharedImpl_StreamLink(StorageBaseImpl *base, - DirRef dst, DirRef src) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*) base; - - return StorageBaseImpl_StreamLink(&This->scratch->base, - dst, src); -} - -static HRESULT TransactedSharedImpl_GetTransactionSig(StorageBaseImpl *base, - ULONG* result, BOOL refresh) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSharedImpl_SetTransactionSig(StorageBaseImpl *base, - ULONG value) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSharedImpl_LockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -static HRESULT TransactedSharedImpl_UnlockTransaction(StorageBaseImpl *base, BOOL write) -{ - return E_NOTIMPL; -} - -static HRESULT WINAPI TransactedSharedImpl_Commit( - IStorage* iface, - DWORD grfCommitFlags) /* [in] */ -{ - TransactedSharedImpl* This = (TransactedSharedImpl*)impl_from_IStorage(iface); - DirRef new_storage_ref, prev_storage_ref; - DirEntry src_data, dst_data; - HRESULT hr; - ULONG transactionSig; - - TRACE("%p, %#lx\n", iface, grfCommitFlags); - - /* Cannot commit a read-only transacted storage */ - if ( STGM_ACCESS_MODE( This->base.openFlags ) == STGM_READ ) - return STG_E_ACCESSDENIED; - - hr = StorageBaseImpl_LockTransaction(This->transactedParent, TRUE); - if (hr == E_NOTIMPL) hr = S_OK; - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_GetTransactionSig(This->transactedParent, &transactionSig, TRUE); - if (SUCCEEDED(hr)) - { - if ((grfCommitFlags & STGC_ONLYIFCURRENT) && transactionSig != This->lastTransactionSig) - hr = STG_E_NOTCURRENT; - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_SetTransactionSig(This->transactedParent, transactionSig+1); - } - else if (hr == E_NOTIMPL) - hr = S_OK; - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_ReadDirEntry(&This->scratch->base, This->scratch->base.storageDirEntry, &src_data); - - /* FIXME: If we're current, we should be able to copy only the changes in scratch. */ - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_DupStorageTree(This->transactedParent, &new_storage_ref, &This->scratch->base, src_data.dirRootEntry); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This->transactedParent); - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_ReadDirEntry(This->transactedParent, This->transactedParent->storageDirEntry, &dst_data); - - if (SUCCEEDED(hr)) - { - prev_storage_ref = dst_data.dirRootEntry; - dst_data.dirRootEntry = new_storage_ref; - dst_data.clsid = src_data.clsid; - dst_data.ctime = src_data.ctime; - dst_data.mtime = src_data.mtime; - hr = StorageBaseImpl_WriteDirEntry(This->transactedParent, This->transactedParent->storageDirEntry, &dst_data); - } - - if (SUCCEEDED(hr)) - { - /* Try to flush after updating the root storage, but if the flush fails, keep - * going, on the theory that it'll either succeed later or the subsequent - * writes will fail. */ - StorageBaseImpl_Flush(This->transactedParent); - - hr = StorageBaseImpl_DeleteStorageTree(This->transactedParent, prev_storage_ref, TRUE); - } - - if (SUCCEEDED(hr)) - hr = StorageBaseImpl_Flush(This->transactedParent); - - StorageBaseImpl_UnlockTransaction(This->transactedParent, TRUE); - - if (SUCCEEDED(hr)) - hr = IStorage_Commit(&This->scratch->base.IStorage_iface, STGC_DEFAULT); - - if (SUCCEEDED(hr)) - { - This->lastTransactionSig = transactionSig+1; - } - } - TRACE("<-- %#lx\n", hr); - return hr; -} - -static HRESULT WINAPI TransactedSharedImpl_Revert( - IStorage* iface) -{ - TransactedSharedImpl* This = (TransactedSharedImpl*)impl_from_IStorage(iface); - - TRACE("(%p)\n", iface); - - /* Destroy the open objects. */ - StorageBaseImpl_DeleteAll(&This->base); - - return IStorage_Revert(&This->scratch->base.IStorage_iface); -} - -static const IStorageVtbl TransactedSharedImpl_Vtbl = -{ - StorageBaseImpl_QueryInterface, - StorageBaseImpl_AddRef, - StorageBaseImpl_Release, - StorageBaseImpl_CreateStream, - StorageBaseImpl_OpenStream, - StorageBaseImpl_CreateStorage, - StorageBaseImpl_OpenStorage, - StorageBaseImpl_CopyTo, - StorageBaseImpl_MoveElementTo, - TransactedSharedImpl_Commit, - TransactedSharedImpl_Revert, - StorageBaseImpl_EnumElements, - StorageBaseImpl_DestroyElement, - StorageBaseImpl_RenameElement, - StorageBaseImpl_SetElementTimes, - StorageBaseImpl_SetClass, - StorageBaseImpl_SetStateBits, - StorageBaseImpl_Stat -}; - -static const StorageBaseImplVtbl TransactedSharedImpl_BaseVtbl = -{ - TransactedSharedImpl_Destroy, - TransactedSharedImpl_Invalidate, - TransactedSharedImpl_Flush, - TransactedSharedImpl_GetFilename, - TransactedSharedImpl_CreateDirEntry, - TransactedSharedImpl_WriteDirEntry, - TransactedSharedImpl_ReadDirEntry, - TransactedSharedImpl_DestroyDirEntry, - TransactedSharedImpl_StreamReadAt, - TransactedSharedImpl_StreamWriteAt, - TransactedSharedImpl_StreamSetSize, - TransactedSharedImpl_StreamLink, - TransactedSharedImpl_GetTransactionSig, - TransactedSharedImpl_SetTransactionSig, - TransactedSharedImpl_LockTransaction, - TransactedSharedImpl_UnlockTransaction -}; - -static HRESULT TransactedSharedImpl_Construct(StorageBaseImpl *parentStorage, - TransactedSharedImpl** result) -{ - HRESULT hr; - - *result = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(TransactedSharedImpl)); - if (*result) - { - IStorage *scratch; - - (*result)->base.IStorage_iface.lpVtbl = &TransactedSharedImpl_Vtbl; - - /* This is OK because the property set storage functions use the IStorage functions. */ - (*result)->base.IPropertySetStorage_iface.lpVtbl = parentStorage->IPropertySetStorage_iface.lpVtbl; - (*result)->base.baseVtbl = &TransactedSharedImpl_BaseVtbl; - - list_init(&(*result)->base.strmHead); - - list_init(&(*result)->base.storageHead); - - (*result)->base.ref = 1; - - (*result)->base.openFlags = parentStorage->openFlags; - - hr = StorageBaseImpl_LockTransaction(parentStorage, FALSE); - - if (SUCCEEDED(hr)) - { - STGOPTIONS stgo; - - /* This cannot fail, except with E_NOTIMPL in which case we don't care */ - StorageBaseImpl_GetTransactionSig(parentStorage, &(*result)->lastTransactionSig, FALSE); - - stgo.usVersion = 1; - stgo.reserved = 0; - stgo.ulSectorSize = 4096; - stgo.pwcsTemplateFile = NULL; - - /* Create a new temporary storage to act as the scratch file. */ - hr = StgCreateStorageEx(NULL, STGM_READWRITE|STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_DELETEONRELEASE|STGM_TRANSACTED, - STGFMT_DOCFILE, 0, &stgo, NULL, &IID_IStorage, (void**)&scratch); - (*result)->scratch = (TransactedSnapshotImpl*)impl_from_IStorage(scratch); - - if (SUCCEEDED(hr)) - { - hr = StorageBaseImpl_CopyStorageTree(&(*result)->scratch->base, (*result)->scratch->base.storageDirEntry, - parentStorage, parentStorage->storageDirEntry); - - if (SUCCEEDED(hr)) - { - hr = IStorage_Commit(scratch, STGC_DEFAULT); - - (*result)->base.storageDirEntry = (*result)->scratch->base.storageDirEntry; - (*result)->transactedParent = parentStorage; - } - - if (FAILED(hr)) - IStorage_Release(scratch); - } - - StorageBaseImpl_UnlockTransaction(parentStorage, FALSE); - } - - if (FAILED(hr)) HeapFree(GetProcessHeap(), 0, *result); - - return hr; - } - else - return E_OUTOFMEMORY; -} - -static HRESULT Storage_ConstructTransacted(StorageBaseImpl *parentStorage, - BOOL toplevel, StorageBaseImpl** result) -{ - static int fixme_flags=STGM_NOSCRATCH|STGM_NOSNAPSHOT; - - if (parentStorage->openFlags & fixme_flags) - { - fixme_flags &= ~parentStorage->openFlags; - FIXME("Unimplemented flags %lx\n", parentStorage->openFlags); - } - - if (toplevel && !(parentStorage->openFlags & STGM_NOSNAPSHOT) && - STGM_SHARE_MODE(parentStorage->openFlags) != STGM_SHARE_DENY_WRITE && - STGM_SHARE_MODE(parentStorage->openFlags) != STGM_SHARE_EXCLUSIVE) - { - /* Need to create a temp file for the snapshot */ - return TransactedSharedImpl_Construct(parentStorage, (TransactedSharedImpl**)result); - } - - return TransactedSnapshotImpl_Construct(parentStorage, - (TransactedSnapshotImpl**)result); -} - -static HRESULT Storage_Construct( - HANDLE hFile, - LPCOLESTR pwcsName, - ILockBytes* pLkbyt, - DWORD openFlags, - BOOL fileBased, - BOOL create, - ULONG sector_size, - StorageBaseImpl** result) -{ - StorageImpl *newStorage; - StorageBaseImpl *newTransactedStorage; - HRESULT hr; - - hr = StorageImpl_Construct(hFile, pwcsName, pLkbyt, openFlags, fileBased, create, sector_size, &newStorage); - if (FAILED(hr)) goto end; - - if (openFlags & STGM_TRANSACTED) - { - hr = Storage_ConstructTransacted(&newStorage->base, TRUE, &newTransactedStorage); - if (FAILED(hr)) - IStorage_Release(&newStorage->base.IStorage_iface); - else - *result = newTransactedStorage; - } - else - *result = &newStorage->base; - -end: - return hr; -} - - -/************************************************************************ - * StorageUtl helper functions - ***********************************************************************/ - -void StorageUtl_ReadWord(const BYTE* buffer, ULONG offset, WORD* value) -{ - WORD tmp; - - memcpy(&tmp, buffer+offset, sizeof(WORD)); - *value = lendian16toh(tmp); -} - -void StorageUtl_WriteWord(void *buffer, ULONG offset, WORD value) -{ - value = htole16(value); - memcpy((BYTE *)buffer + offset, &value, sizeof(WORD)); -} - -void StorageUtl_ReadDWord(const BYTE* buffer, ULONG offset, DWORD* value) -{ - DWORD tmp; - - memcpy(&tmp, buffer+offset, sizeof(DWORD)); - *value = lendian32toh(tmp); -} - -void StorageUtl_WriteDWord(void *buffer, ULONG offset, DWORD value) -{ - value = htole32(value); - memcpy((BYTE *)buffer + offset, &value, sizeof(DWORD)); -} - -void StorageUtl_ReadULargeInteger(const BYTE* buffer, ULONG offset, - ULARGE_INTEGER* value) -{ -#ifdef WORDS_BIGENDIAN - ULARGE_INTEGER tmp; - - memcpy(&tmp, buffer + offset, sizeof(ULARGE_INTEGER)); - value->u.LowPart = htole32(tmp.HighPart); - value->u.HighPart = htole32(tmp.LowPart); -#else - memcpy(value, buffer + offset, sizeof(ULARGE_INTEGER)); -#endif -} - -void StorageUtl_WriteULargeInteger(void *buffer, ULONG offset, const ULARGE_INTEGER *value) -{ -#ifdef WORDS_BIGENDIAN - ULARGE_INTEGER tmp; - - tmp.LowPart = htole32(value->u.HighPart); - tmp.HighPart = htole32(value->u.LowPart); - memcpy((BYTE *)buffer + offset, &tmp, sizeof(ULARGE_INTEGER)); -#else - memcpy((BYTE *)buffer + offset, value, sizeof(ULARGE_INTEGER)); -#endif -} - -void StorageUtl_ReadGUID(const BYTE* buffer, ULONG offset, GUID* value) -{ - StorageUtl_ReadDWord(buffer, offset, (DWORD *)&value->Data1); - StorageUtl_ReadWord(buffer, offset+4, &(value->Data2)); - StorageUtl_ReadWord(buffer, offset+6, &(value->Data3)); - - memcpy(value->Data4, buffer+offset+8, sizeof(value->Data4)); -} - -void StorageUtl_WriteGUID(void *buffer, ULONG offset, const GUID* value) -{ - StorageUtl_WriteDWord(buffer, offset, value->Data1); - StorageUtl_WriteWord(buffer, offset+4, value->Data2); - StorageUtl_WriteWord(buffer, offset+6, value->Data3); - - memcpy((BYTE *)buffer + offset + 8, value->Data4, sizeof(value->Data4)); -} - -void StorageUtl_CopyDirEntryToSTATSTG( - StorageBaseImpl* storage, - STATSTG* destination, - const DirEntry* source, - int statFlags) -{ - /* - * The copy of the string occurs only when the flag is not set - */ - if (!(statFlags & STATFLAG_NONAME) && source->stgType == STGTY_ROOT) - { - /* Use the filename for the root storage. */ - destination->pwcsName = 0; - StorageBaseImpl_GetFilename(storage, &destination->pwcsName); - } - else if( ((statFlags & STATFLAG_NONAME) != 0) || - (source->name[0] == 0) ) - { - destination->pwcsName = 0; - } - else - { - destination->pwcsName = - CoTaskMemAlloc((lstrlenW(source->name)+1)*sizeof(WCHAR)); - - lstrcpyW(destination->pwcsName, source->name); - } - - switch (source->stgType) - { - case STGTY_STORAGE: - case STGTY_ROOT: - destination->type = STGTY_STORAGE; - break; - case STGTY_STREAM: - destination->type = STGTY_STREAM; - break; - default: - destination->type = STGTY_STREAM; - break; - } - - destination->cbSize = source->size; -/* - currentReturnStruct->mtime = {0}; TODO - currentReturnStruct->ctime = {0}; - currentReturnStruct->atime = {0}; -*/ - destination->grfMode = 0; - destination->grfLocksSupported = 0; - destination->clsid = source->clsid; - destination->grfStateBits = 0; - destination->reserved = 0; -} - - -/************************************************************************ - * BlockChainStream implementation - ***********************************************************************/ - -/****************************************************************************** - * BlockChainStream_GetHeadOfChain - * - * Returns the head of this stream chain. - * Some special chains don't have directory entries, their heads are kept in - * This->headOfStreamPlaceHolder. - * - */ -static ULONG BlockChainStream_GetHeadOfChain(BlockChainStream* This) -{ - DirEntry chainEntry; - HRESULT hr; - - if (This->headOfStreamPlaceHolder != 0) - return *(This->headOfStreamPlaceHolder); - - if (This->ownerDirEntry != DIRENTRY_NULL) - { - hr = StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - if (SUCCEEDED(hr) && chainEntry.startingBlock < BLOCK_FIRST_SPECIAL) - return chainEntry.startingBlock; - } - - return BLOCK_END_OF_CHAIN; -} - -/* Read and save the index of all blocks in this stream. */ -static HRESULT BlockChainStream_UpdateIndexCache(BlockChainStream* This) -{ - ULONG next_sector, next_offset; - HRESULT hr; - struct BlockChainRun *last_run; - - if (This->indexCacheLen == 0) - { - last_run = NULL; - next_offset = 0; - next_sector = BlockChainStream_GetHeadOfChain(This); - } - else - { - last_run = &This->indexCache[This->indexCacheLen-1]; - next_offset = last_run->lastOffset+1; - hr = StorageImpl_GetNextBlockInChain(This->parentStorage, - last_run->firstSector + last_run->lastOffset - last_run->firstOffset, - &next_sector); - if (FAILED(hr)) return hr; - } - - while (next_sector != BLOCK_END_OF_CHAIN) - { - if (!last_run || next_sector != last_run->firstSector + next_offset - last_run->firstOffset) - { - /* Add the current block to the cache. */ - if (This->indexCacheSize == 0) - { - This->indexCache = HeapAlloc(GetProcessHeap(), 0, sizeof(struct BlockChainRun)*16); - if (!This->indexCache) return E_OUTOFMEMORY; - This->indexCacheSize = 16; - } - else if (This->indexCacheSize == This->indexCacheLen) - { - struct BlockChainRun *new_cache; - ULONG new_size; - - new_size = This->indexCacheSize * 2; - new_cache = HeapAlloc(GetProcessHeap(), 0, sizeof(struct BlockChainRun)*new_size); - if (!new_cache) return E_OUTOFMEMORY; - memcpy(new_cache, This->indexCache, sizeof(struct BlockChainRun)*This->indexCacheLen); - - HeapFree(GetProcessHeap(), 0, This->indexCache); - This->indexCache = new_cache; - This->indexCacheSize = new_size; - } - - This->indexCacheLen++; - last_run = &This->indexCache[This->indexCacheLen-1]; - last_run->firstSector = next_sector; - last_run->firstOffset = next_offset; - } - - last_run->lastOffset = next_offset; - - /* Find the next block. */ - next_offset++; - hr = StorageImpl_GetNextBlockInChain(This->parentStorage, next_sector, &next_sector); - if (FAILED(hr)) return hr; - } - - if (This->indexCacheLen) - { - This->tailIndex = last_run->firstSector + last_run->lastOffset - last_run->firstOffset; - This->numBlocks = last_run->lastOffset+1; - } - else - { - This->tailIndex = BLOCK_END_OF_CHAIN; - This->numBlocks = 0; - } - - return S_OK; -} - -/* Locate the nth block in this stream. */ -static ULONG BlockChainStream_GetSectorOfOffset(BlockChainStream *This, ULONG offset) -{ - ULONG min_offset = 0, max_offset = This->numBlocks-1; - ULONG min_run = 0, max_run = This->indexCacheLen-1; - - if (offset >= This->numBlocks) - return BLOCK_END_OF_CHAIN; - - while (min_run < max_run) - { - ULONG run_to_check = min_run + (offset - min_offset) * (max_run - min_run) / (max_offset - min_offset); - if (offset < This->indexCache[run_to_check].firstOffset) - { - max_offset = This->indexCache[run_to_check].firstOffset-1; - max_run = run_to_check-1; - } - else if (offset > This->indexCache[run_to_check].lastOffset) - { - min_offset = This->indexCache[run_to_check].lastOffset+1; - min_run = run_to_check+1; - } - else - /* Block is in this run. */ - min_run = max_run = run_to_check; - } - - return This->indexCache[min_run].firstSector + offset - This->indexCache[min_run].firstOffset; -} - -static HRESULT BlockChainStream_GetBlockAtOffset(BlockChainStream *This, - ULONG index, BlockChainBlock **block, ULONG *sector, BOOL create) -{ - BlockChainBlock *result=NULL; - int i; - - for (i=0; i<2; i++) - if (This->cachedBlocks[i].index == index) - { - *sector = This->cachedBlocks[i].sector; - *block = &This->cachedBlocks[i]; - return S_OK; - } - - *sector = BlockChainStream_GetSectorOfOffset(This, index); - if (*sector == BLOCK_END_OF_CHAIN) - return STG_E_DOCFILECORRUPT; - - if (create) - { - if (This->cachedBlocks[0].index == 0xffffffff) - result = &This->cachedBlocks[0]; - else if (This->cachedBlocks[1].index == 0xffffffff) - result = &This->cachedBlocks[1]; - else - { - result = &This->cachedBlocks[This->blockToEvict++]; - if (This->blockToEvict == 2) - This->blockToEvict = 0; - } - - if (result->dirty) - { - if (!StorageImpl_WriteBigBlock(This->parentStorage, result->sector, result->data)) - return STG_E_WRITEFAULT; - result->dirty = FALSE; - } - - result->read = FALSE; - result->index = index; - result->sector = *sector; - } - - *block = result; - return S_OK; -} - -BlockChainStream* BlockChainStream_Construct( - StorageImpl* parentStorage, - ULONG* headOfStreamPlaceHolder, - DirRef dirEntry) -{ - BlockChainStream* newStream; - - newStream = HeapAlloc(GetProcessHeap(), 0, sizeof(BlockChainStream)); - if(!newStream) - return NULL; - - newStream->parentStorage = parentStorage; - newStream->headOfStreamPlaceHolder = headOfStreamPlaceHolder; - newStream->ownerDirEntry = dirEntry; - newStream->indexCache = NULL; - newStream->indexCacheLen = 0; - newStream->indexCacheSize = 0; - newStream->cachedBlocks[0].index = 0xffffffff; - newStream->cachedBlocks[0].dirty = FALSE; - newStream->cachedBlocks[1].index = 0xffffffff; - newStream->cachedBlocks[1].dirty = FALSE; - newStream->blockToEvict = 0; - - if (FAILED(BlockChainStream_UpdateIndexCache(newStream))) - { - HeapFree(GetProcessHeap(), 0, newStream->indexCache); - HeapFree(GetProcessHeap(), 0, newStream); - return NULL; - } - - return newStream; -} - -HRESULT BlockChainStream_Flush(BlockChainStream* This) -{ - int i; - if (!This) return S_OK; - for (i=0; i<2; i++) - { - if (This->cachedBlocks[i].dirty) - { - if (StorageImpl_WriteBigBlock(This->parentStorage, This->cachedBlocks[i].sector, This->cachedBlocks[i].data)) - This->cachedBlocks[i].dirty = FALSE; - else - return STG_E_WRITEFAULT; - } - } - return S_OK; -} - -void BlockChainStream_Destroy(BlockChainStream* This) -{ - if (This) - { - BlockChainStream_Flush(This); - HeapFree(GetProcessHeap(), 0, This->indexCache); - } - HeapFree(GetProcessHeap(), 0, This); -} - -/****************************************************************************** - * BlockChainStream_Shrink - * - * Shrinks this chain in the big block depot. - */ -static BOOL BlockChainStream_Shrink(BlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULONG blockIndex; - ULONG numBlocks; - int i; - - /* - * Figure out how many blocks are needed to contain the new size - */ - numBlocks = newSize.QuadPart / This->parentStorage->bigBlockSize; - - if ((newSize.QuadPart % This->parentStorage->bigBlockSize) != 0) - numBlocks++; - - if (numBlocks) - { - /* - * Go to the new end of chain - */ - blockIndex = BlockChainStream_GetSectorOfOffset(This, numBlocks-1); - - /* Mark the new end of chain */ - StorageImpl_SetNextBlockInChain( - This->parentStorage, - blockIndex, - BLOCK_END_OF_CHAIN); - - This->tailIndex = blockIndex; - } - else - { - if (This->headOfStreamPlaceHolder != 0) - { - *This->headOfStreamPlaceHolder = BLOCK_END_OF_CHAIN; - } - else - { - DirEntry chainEntry; - assert(This->ownerDirEntry != DIRENTRY_NULL); - - StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - chainEntry.startingBlock = BLOCK_END_OF_CHAIN; - - StorageImpl_WriteDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - } - - This->tailIndex = BLOCK_END_OF_CHAIN; - } - - This->numBlocks = numBlocks; - - /* - * Mark the extra blocks as free - */ - while (This->indexCacheLen && This->indexCache[This->indexCacheLen-1].lastOffset >= numBlocks) - { - struct BlockChainRun *last_run = &This->indexCache[This->indexCacheLen-1]; - StorageImpl_FreeBigBlock(This->parentStorage, - last_run->firstSector + last_run->lastOffset - last_run->firstOffset); - if (last_run->lastOffset == last_run->firstOffset) - This->indexCacheLen--; - else - last_run->lastOffset--; - } - - /* - * Reset the last accessed block cache. - */ - for (i=0; i<2; i++) - { - if (This->cachedBlocks[i].index >= numBlocks) - { - This->cachedBlocks[i].index = 0xffffffff; - This->cachedBlocks[i].dirty = FALSE; - } - } - - return TRUE; -} - -/****************************************************************************** - * BlockChainStream_Enlarge - * - * Grows this chain in the big block depot. - */ -static BOOL BlockChainStream_Enlarge(BlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULONG blockIndex, currentBlock; - ULONG newNumBlocks; - ULONG oldNumBlocks = 0; - - blockIndex = BlockChainStream_GetHeadOfChain(This); - - /* - * Empty chain. Create the head. - */ - if (blockIndex == BLOCK_END_OF_CHAIN) - { - blockIndex = StorageImpl_GetNextFreeBigBlock(This->parentStorage, 1); - StorageImpl_SetNextBlockInChain(This->parentStorage, - blockIndex, - BLOCK_END_OF_CHAIN); - - if (This->headOfStreamPlaceHolder != 0) - { - *(This->headOfStreamPlaceHolder) = blockIndex; - } - else - { - DirEntry chainEntry; - assert(This->ownerDirEntry != DIRENTRY_NULL); - - StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - chainEntry.startingBlock = blockIndex; - - StorageImpl_WriteDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - } - - This->tailIndex = blockIndex; - This->numBlocks = 1; - } - - /* - * Figure out how many blocks are needed to contain this stream - */ - newNumBlocks = newSize.QuadPart / This->parentStorage->bigBlockSize; - - if ((newSize.QuadPart % This->parentStorage->bigBlockSize) != 0) - newNumBlocks++; - - /* - * Go to the current end of chain - */ - if (This->tailIndex == BLOCK_END_OF_CHAIN) - { - currentBlock = blockIndex; - - while (blockIndex != BLOCK_END_OF_CHAIN) - { - This->numBlocks++; - currentBlock = blockIndex; - - if(FAILED(StorageImpl_GetNextBlockInChain(This->parentStorage, currentBlock, - &blockIndex))) - return FALSE; - } - - This->tailIndex = currentBlock; - } - - currentBlock = This->tailIndex; - oldNumBlocks = This->numBlocks; - - /* - * Add new blocks to the chain - */ - if (oldNumBlocks < newNumBlocks) - { - while (oldNumBlocks < newNumBlocks) - { - blockIndex = StorageImpl_GetNextFreeBigBlock(This->parentStorage, newNumBlocks - oldNumBlocks); - - StorageImpl_SetNextBlockInChain( - This->parentStorage, - currentBlock, - blockIndex); - - StorageImpl_SetNextBlockInChain( - This->parentStorage, - blockIndex, - BLOCK_END_OF_CHAIN); - - currentBlock = blockIndex; - oldNumBlocks++; - } - - This->tailIndex = blockIndex; - This->numBlocks = newNumBlocks; - } - - if (FAILED(BlockChainStream_UpdateIndexCache(This))) - return FALSE; - - return TRUE; -} - - -/****************************************************************************** - * BlockChainStream_GetSize - * - * Returns the size of this chain. - * Will return the block count if this chain doesn't have a directory entry. - */ -static ULARGE_INTEGER BlockChainStream_GetSize(BlockChainStream* This) -{ - DirEntry chainEntry; - - if(This->headOfStreamPlaceHolder == NULL) - { - /* - * This chain has a directory entry so use the size value from there. - */ - StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - return chainEntry.size; - } - else - { - /* - * this chain is a chain that does not have a directory entry, figure out the - * size by making the product number of used blocks times the - * size of them - */ - ULARGE_INTEGER result; - result.QuadPart = - (ULONGLONG)BlockChainStream_GetCount(This) * - This->parentStorage->bigBlockSize; - - return result; - } -} - -/****************************************************************************** - * BlockChainStream_SetSize - * - * Sets the size of this stream. The big block depot will be updated. - * The file will grow if we grow the chain. - * - * TODO: Free the actual blocks in the file when we shrink the chain. - * Currently, the blocks are still in the file. So the file size - * doesn't shrink even if we shrink streams. - */ -BOOL BlockChainStream_SetSize( - BlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULARGE_INTEGER size = BlockChainStream_GetSize(This); - - if (newSize.QuadPart == size.QuadPart) - return TRUE; - - if (newSize.QuadPart < size.QuadPart) - { - BlockChainStream_Shrink(This, newSize); - } - else - { - BlockChainStream_Enlarge(This, newSize); - } - - return TRUE; -} - -/****************************************************************************** - * BlockChainStream_ReadAt - * - * Reads a specified number of bytes from this chain at the specified offset. - * bytesRead may be NULL. - * Failure will be returned if the specified number of bytes has not been read. - */ -HRESULT BlockChainStream_ReadAt(BlockChainStream* This, - ULARGE_INTEGER offset, - ULONG size, - void* buffer, - ULONG* bytesRead) -{ - ULONG blockNoInSequence = offset.QuadPart / This->parentStorage->bigBlockSize; - ULONG offsetInBlock = offset.QuadPart % This->parentStorage->bigBlockSize; - ULONG bytesToReadInBuffer; - ULONG blockIndex; - BYTE* bufferWalker; - ULARGE_INTEGER stream_size; - HRESULT hr; - BlockChainBlock *cachedBlock; - - TRACE("%p, %li, %p, %lu, %p.\n",This, offset.LowPart, buffer, size, bytesRead); - - /* - * Find the first block in the stream that contains part of the buffer. - */ - blockIndex = BlockChainStream_GetSectorOfOffset(This, blockNoInSequence); - - *bytesRead = 0; - - stream_size = BlockChainStream_GetSize(This); - if (stream_size.QuadPart > offset.QuadPart) - size = min(stream_size.QuadPart - offset.QuadPart, size); - else - return S_OK; - - /* - * Start reading the buffer. - */ - bufferWalker = buffer; - - while (size > 0) - { - ULARGE_INTEGER ulOffset; - DWORD bytesReadAt; - - /* - * Calculate how many bytes we can copy from this big block. - */ - bytesToReadInBuffer = - min(This->parentStorage->bigBlockSize - offsetInBlock, size); - - hr = BlockChainStream_GetBlockAtOffset(This, blockNoInSequence, &cachedBlock, &blockIndex, size == bytesToReadInBuffer); - - if (FAILED(hr)) - return hr; - - if (!cachedBlock) - { - /* Not in cache, and we're going to read past the end of the block. */ - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This->parentStorage, blockIndex) + - offsetInBlock; - - StorageImpl_ReadAt(This->parentStorage, - ulOffset, - bufferWalker, - bytesToReadInBuffer, - &bytesReadAt); - } - else - { - if (!cachedBlock->read) - { - ULONG read; - if (FAILED(StorageImpl_ReadBigBlock(This->parentStorage, cachedBlock->sector, cachedBlock->data, &read)) && !read) - return STG_E_READFAULT; - - cachedBlock->read = TRUE; - } - - memcpy(bufferWalker, cachedBlock->data+offsetInBlock, bytesToReadInBuffer); - bytesReadAt = bytesToReadInBuffer; - } - - blockNoInSequence++; - bufferWalker += bytesReadAt; - size -= bytesReadAt; - *bytesRead += bytesReadAt; - offsetInBlock = 0; /* There is no offset on the next block */ - - if (bytesToReadInBuffer != bytesReadAt) - break; - } - - return S_OK; -} - -/****************************************************************************** - * BlockChainStream_WriteAt - * - * Writes the specified number of bytes to this chain at the specified offset. - * Will fail if not all specified number of bytes have been written. - */ -HRESULT BlockChainStream_WriteAt(BlockChainStream* This, - ULARGE_INTEGER offset, - ULONG size, - const void* buffer, - ULONG* bytesWritten) -{ - ULONG blockNoInSequence = offset.QuadPart / This->parentStorage->bigBlockSize; - ULONG offsetInBlock = offset.QuadPart % This->parentStorage->bigBlockSize; - ULONG bytesToWrite; - ULONG blockIndex; - const BYTE* bufferWalker; - HRESULT hr; - BlockChainBlock *cachedBlock; - - *bytesWritten = 0; - bufferWalker = buffer; - - while (size > 0) - { - ULARGE_INTEGER ulOffset; - DWORD bytesWrittenAt; - - /* - * Calculate how many bytes we can copy to this big block. - */ - bytesToWrite = - min(This->parentStorage->bigBlockSize - offsetInBlock, size); - - hr = BlockChainStream_GetBlockAtOffset(This, blockNoInSequence, &cachedBlock, &blockIndex, size == bytesToWrite); - - /* BlockChainStream_SetSize should have already been called to ensure we have - * enough blocks in the chain to write into */ - if (FAILED(hr)) - { - ERR("not enough blocks in chain to write data\n"); - return hr; - } - - if (!cachedBlock) - { - /* Not in cache, and we're going to write past the end of the block. */ - ulOffset.QuadPart = StorageImpl_GetBigBlockOffset(This->parentStorage, blockIndex) + - offsetInBlock; - - StorageImpl_WriteAt(This->parentStorage, - ulOffset, - bufferWalker, - bytesToWrite, - &bytesWrittenAt); - } - else - { - if (!cachedBlock->read && bytesToWrite != This->parentStorage->bigBlockSize) - { - ULONG read; - if (FAILED(StorageImpl_ReadBigBlock(This->parentStorage, cachedBlock->sector, cachedBlock->data, &read)) && !read) - return STG_E_READFAULT; - } - - memcpy(cachedBlock->data+offsetInBlock, bufferWalker, bytesToWrite); - bytesWrittenAt = bytesToWrite; - cachedBlock->read = TRUE; - cachedBlock->dirty = TRUE; - } - - blockNoInSequence++; - bufferWalker += bytesWrittenAt; - size -= bytesWrittenAt; - *bytesWritten += bytesWrittenAt; - offsetInBlock = 0; /* There is no offset on the next block */ - - if (bytesWrittenAt != bytesToWrite) - break; - } - - return (size == 0) ? S_OK : STG_E_WRITEFAULT; -} - - -/************************************************************************ - * SmallBlockChainStream implementation - ***********************************************************************/ - -SmallBlockChainStream* SmallBlockChainStream_Construct( - StorageImpl* parentStorage, - ULONG* headOfStreamPlaceHolder, - DirRef dirEntry) -{ - SmallBlockChainStream* newStream; - - newStream = HeapAlloc(GetProcessHeap(), 0, sizeof(SmallBlockChainStream)); - - newStream->parentStorage = parentStorage; - newStream->headOfStreamPlaceHolder = headOfStreamPlaceHolder; - newStream->ownerDirEntry = dirEntry; - - return newStream; -} - -void SmallBlockChainStream_Destroy( - SmallBlockChainStream* This) -{ - HeapFree(GetProcessHeap(), 0, This); -} - -/****************************************************************************** - * SmallBlockChainStream_GetHeadOfChain - * - * Returns the head of this chain of small blocks. - */ -static ULONG SmallBlockChainStream_GetHeadOfChain( - SmallBlockChainStream* This) -{ - DirEntry chainEntry; - HRESULT hr; - - if (This->headOfStreamPlaceHolder != NULL) - return *(This->headOfStreamPlaceHolder); - - if (This->ownerDirEntry) - { - hr = StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - if (SUCCEEDED(hr) && chainEntry.startingBlock < BLOCK_FIRST_SPECIAL) - return chainEntry.startingBlock; - } - - return BLOCK_END_OF_CHAIN; -} - -/****************************************************************************** - * SmallBlockChainStream_GetNextBlockInChain - * - * Returns the index of the next small block in this chain. - * - * Return Values: - * - BLOCK_END_OF_CHAIN: end of this chain - * - BLOCK_UNUSED: small block 'blockIndex' is free - */ -static HRESULT SmallBlockChainStream_GetNextBlockInChain( - SmallBlockChainStream* This, - ULONG blockIndex, - ULONG* nextBlockInChain) -{ - ULARGE_INTEGER offsetOfBlockInDepot; - DWORD buffer; - ULONG bytesRead; - HRESULT res; - - *nextBlockInChain = BLOCK_END_OF_CHAIN; - - offsetOfBlockInDepot.QuadPart = (ULONGLONG)blockIndex * sizeof(ULONG); - - /* - * Read those bytes in the buffer from the small block file. - */ - res = BlockChainStream_ReadAt( - This->parentStorage->smallBlockDepotChain, - offsetOfBlockInDepot, - sizeof(DWORD), - &buffer, - &bytesRead); - - if (SUCCEEDED(res) && bytesRead != sizeof(DWORD)) - res = STG_E_READFAULT; - - if (SUCCEEDED(res)) - { - StorageUtl_ReadDWord((BYTE *)&buffer, 0, nextBlockInChain); - return S_OK; - } - - return res; -} - -/****************************************************************************** - * SmallBlockChainStream_SetNextBlockInChain - * - * Writes the index of the next block of the specified block in the small - * block depot. - * To set the end of chain use BLOCK_END_OF_CHAIN as nextBlock. - * To flag a block as free use BLOCK_UNUSED as nextBlock. - */ -static void SmallBlockChainStream_SetNextBlockInChain( - SmallBlockChainStream* This, - ULONG blockIndex, - ULONG nextBlock) -{ - ULARGE_INTEGER offsetOfBlockInDepot; - DWORD buffer; - ULONG bytesWritten; - - offsetOfBlockInDepot.QuadPart = (ULONGLONG)blockIndex * sizeof(ULONG); - - StorageUtl_WriteDWord(&buffer, 0, nextBlock); - - /* - * Read those bytes in the buffer from the small block file. - */ - BlockChainStream_WriteAt( - This->parentStorage->smallBlockDepotChain, - offsetOfBlockInDepot, - sizeof(DWORD), - &buffer, - &bytesWritten); -} - -/****************************************************************************** - * SmallBlockChainStream_FreeBlock - * - * Flag small block 'blockIndex' as free in the small block depot. - */ -static void SmallBlockChainStream_FreeBlock( - SmallBlockChainStream* This, - ULONG blockIndex) -{ - SmallBlockChainStream_SetNextBlockInChain(This, blockIndex, BLOCK_UNUSED); -} - -/****************************************************************************** - * SmallBlockChainStream_GetNextFreeBlock - * - * Returns the index of a free small block. The small block depot will be - * enlarged if necessary. The small block chain will also be enlarged if - * necessary. - */ -static ULONG SmallBlockChainStream_GetNextFreeBlock( - SmallBlockChainStream* This) -{ - ULARGE_INTEGER offsetOfBlockInDepot; - DWORD buffer; - ULONG bytesRead; - ULONG blockIndex = This->parentStorage->firstFreeSmallBlock; - ULONG nextBlockIndex = BLOCK_END_OF_CHAIN; - HRESULT res = S_OK; - ULONG smallBlocksPerBigBlock; - DirEntry rootEntry; - ULONG blocksRequired; - ULARGE_INTEGER old_size, size_required; - - offsetOfBlockInDepot.HighPart = 0; - - /* - * Scan the small block depot for a free block - */ - while (nextBlockIndex != BLOCK_UNUSED) - { - offsetOfBlockInDepot.QuadPart = (ULONGLONG)blockIndex * sizeof(ULONG); - - res = BlockChainStream_ReadAt( - This->parentStorage->smallBlockDepotChain, - offsetOfBlockInDepot, - sizeof(DWORD), - &buffer, - &bytesRead); - - /* - * If we run out of space for the small block depot, enlarge it - */ - if (SUCCEEDED(res) && bytesRead == sizeof(DWORD)) - { - StorageUtl_ReadDWord((BYTE *)&buffer, 0, &nextBlockIndex); - - if (nextBlockIndex != BLOCK_UNUSED) - blockIndex++; - } - else - { - ULONG count = - BlockChainStream_GetCount(This->parentStorage->smallBlockDepotChain); - - BYTE smallBlockDepot[MAX_BIG_BLOCK_SIZE]; - ULARGE_INTEGER newSize, offset; - ULONG bytesWritten; - - newSize.QuadPart = (ULONGLONG)(count + 1) * This->parentStorage->bigBlockSize; - BlockChainStream_Enlarge(This->parentStorage->smallBlockDepotChain, newSize); - - /* - * Initialize all the small blocks to free - */ - memset(smallBlockDepot, BLOCK_UNUSED, This->parentStorage->bigBlockSize); - offset.QuadPart = (ULONGLONG)count * This->parentStorage->bigBlockSize; - BlockChainStream_WriteAt(This->parentStorage->smallBlockDepotChain, - offset, This->parentStorage->bigBlockSize, smallBlockDepot, &bytesWritten); - - StorageImpl_SaveFileHeader(This->parentStorage); - } - } - - This->parentStorage->firstFreeSmallBlock = blockIndex+1; - - smallBlocksPerBigBlock = - This->parentStorage->bigBlockSize / This->parentStorage->smallBlockSize; - - /* - * Verify if we have to allocate big blocks to contain small blocks - */ - blocksRequired = (blockIndex / smallBlocksPerBigBlock) + 1; - - size_required.QuadPart = (ULONGLONG)blocksRequired * This->parentStorage->bigBlockSize; - - old_size = BlockChainStream_GetSize(This->parentStorage->smallBlockRootChain); - - if (size_required.QuadPart > old_size.QuadPart) - { - BlockChainStream_SetSize( - This->parentStorage->smallBlockRootChain, - size_required); - - StorageImpl_ReadDirEntry( - This->parentStorage, - This->parentStorage->base.storageDirEntry, - &rootEntry); - - rootEntry.size = size_required; - - StorageImpl_WriteDirEntry( - This->parentStorage, - This->parentStorage->base.storageDirEntry, - &rootEntry); - } - - return blockIndex; -} - -/****************************************************************************** - * SmallBlockChainStream_ReadAt - * - * Reads a specified number of bytes from this chain at the specified offset. - * bytesRead may be NULL. - * Failure will be returned if the specified number of bytes has not been read. - */ -HRESULT SmallBlockChainStream_ReadAt( - SmallBlockChainStream* This, - ULARGE_INTEGER offset, - ULONG size, - void* buffer, - ULONG* bytesRead) -{ - HRESULT rc = S_OK; - ULARGE_INTEGER offsetInBigBlockFile; - ULONG blockNoInSequence = - offset.LowPart / This->parentStorage->smallBlockSize; - - ULONG offsetInBlock = offset.LowPart % This->parentStorage->smallBlockSize; - ULONG bytesToReadInBuffer; - ULONG blockIndex; - ULONG bytesReadFromBigBlockFile; - BYTE* bufferWalker; - ULARGE_INTEGER stream_size; - - /* - * This should never happen on a small block file. - */ - assert(offset.HighPart==0); - - *bytesRead = 0; - - stream_size = SmallBlockChainStream_GetSize(This); - if (stream_size.QuadPart > offset.QuadPart) - size = min(stream_size.QuadPart - offset.QuadPart, size); - else - return S_OK; - - /* - * Find the first block in the stream that contains part of the buffer. - */ - blockIndex = SmallBlockChainStream_GetHeadOfChain(This); - - while ( (blockNoInSequence > 0) && (blockIndex != BLOCK_END_OF_CHAIN)) - { - rc = SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, &blockIndex); - if(FAILED(rc)) - return rc; - blockNoInSequence--; - } - - /* - * Start reading the buffer. - */ - bufferWalker = buffer; - - while ( (size > 0) && (blockIndex != BLOCK_END_OF_CHAIN) ) - { - /* - * Calculate how many bytes we can copy from this small block. - */ - bytesToReadInBuffer = - min(This->parentStorage->smallBlockSize - offsetInBlock, size); - - /* - * Calculate the offset of the small block in the small block file. - */ - offsetInBigBlockFile.QuadPart = - (ULONGLONG)blockIndex * This->parentStorage->smallBlockSize; - - offsetInBigBlockFile.QuadPart += offsetInBlock; - - /* - * Read those bytes in the buffer from the small block file. - * The small block has already been identified so it shouldn't fail - * unless the file is corrupt. - */ - rc = BlockChainStream_ReadAt(This->parentStorage->smallBlockRootChain, - offsetInBigBlockFile, - bytesToReadInBuffer, - bufferWalker, - &bytesReadFromBigBlockFile); - - if (FAILED(rc)) - return rc; - - if (!bytesReadFromBigBlockFile) - return STG_E_DOCFILECORRUPT; - - /* - * Step to the next big block. - */ - rc = SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, &blockIndex); - if(FAILED(rc)) - return STG_E_DOCFILECORRUPT; - - bufferWalker += bytesReadFromBigBlockFile; - size -= bytesReadFromBigBlockFile; - *bytesRead += bytesReadFromBigBlockFile; - offsetInBlock = (offsetInBlock + bytesReadFromBigBlockFile) % This->parentStorage->smallBlockSize; - } - - return S_OK; -} - -/****************************************************************************** - * SmallBlockChainStream_WriteAt - * - * Writes the specified number of bytes to this chain at the specified offset. - * Will fail if not all specified number of bytes have been written. - */ -HRESULT SmallBlockChainStream_WriteAt( - SmallBlockChainStream* This, - ULARGE_INTEGER offset, - ULONG size, - const void* buffer, - ULONG* bytesWritten) -{ - ULARGE_INTEGER offsetInBigBlockFile; - ULONG blockNoInSequence = - offset.LowPart / This->parentStorage->smallBlockSize; - - ULONG offsetInBlock = offset.LowPart % This->parentStorage->smallBlockSize; - ULONG bytesToWriteInBuffer; - ULONG blockIndex; - ULONG bytesWrittenToBigBlockFile; - const BYTE* bufferWalker; - HRESULT res; - - /* - * This should never happen on a small block file. - */ - assert(offset.HighPart==0); - - /* - * Find the first block in the stream that contains part of the buffer. - */ - blockIndex = SmallBlockChainStream_GetHeadOfChain(This); - - while ( (blockNoInSequence > 0) && (blockIndex != BLOCK_END_OF_CHAIN)) - { - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, &blockIndex))) - return STG_E_DOCFILECORRUPT; - blockNoInSequence--; - } - - /* - * Start writing the buffer. - */ - *bytesWritten = 0; - bufferWalker = buffer; - while ( (size > 0) && (blockIndex != BLOCK_END_OF_CHAIN) ) - { - /* - * Calculate how many bytes we can copy to this small block. - */ - bytesToWriteInBuffer = - min(This->parentStorage->smallBlockSize - offsetInBlock, size); - - /* - * Calculate the offset of the small block in the small block file. - */ - offsetInBigBlockFile.QuadPart = - (ULONGLONG)blockIndex * This->parentStorage->smallBlockSize; - - offsetInBigBlockFile.QuadPart += offsetInBlock; - - /* - * Write those bytes in the buffer to the small block file. - */ - res = BlockChainStream_WriteAt( - This->parentStorage->smallBlockRootChain, - offsetInBigBlockFile, - bytesToWriteInBuffer, - bufferWalker, - &bytesWrittenToBigBlockFile); - if (FAILED(res)) - return res; - - /* - * Step to the next big block. - */ - res = SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, &blockIndex); - if (FAILED(res)) - return res; - bufferWalker += bytesWrittenToBigBlockFile; - size -= bytesWrittenToBigBlockFile; - *bytesWritten += bytesWrittenToBigBlockFile; - offsetInBlock = (offsetInBlock + bytesWrittenToBigBlockFile) % This->parentStorage->smallBlockSize; - } - - return (size == 0) ? S_OK : STG_E_WRITEFAULT; -} - -/****************************************************************************** - * SmallBlockChainStream_Shrink - * - * Shrinks this chain in the small block depot. - */ -static BOOL SmallBlockChainStream_Shrink( - SmallBlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULONG blockIndex, extraBlock; - ULONG numBlocks; - ULONG count = 0; - - numBlocks = newSize.LowPart / This->parentStorage->smallBlockSize; - - if ((newSize.LowPart % This->parentStorage->smallBlockSize) != 0) - numBlocks++; - - blockIndex = SmallBlockChainStream_GetHeadOfChain(This); - - /* - * Go to the new end of chain - */ - while (count < numBlocks) - { - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, - &blockIndex))) - return FALSE; - count++; - } - - /* - * If the count is 0, we have a special case, the head of the chain was - * just freed. - */ - if (count == 0) - { - DirEntry chainEntry; - - StorageImpl_ReadDirEntry(This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - chainEntry.startingBlock = BLOCK_END_OF_CHAIN; - - StorageImpl_WriteDirEntry(This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - /* - * We start freeing the chain at the head block. - */ - extraBlock = blockIndex; - } - else - { - /* Get the next block before marking the new end */ - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, blockIndex, - &extraBlock))) - return FALSE; - - /* Mark the new end of chain */ - SmallBlockChainStream_SetNextBlockInChain( - This, - blockIndex, - BLOCK_END_OF_CHAIN); - } - - /* - * Mark the extra blocks as free - */ - while (extraBlock != BLOCK_END_OF_CHAIN) - { - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, extraBlock, - &blockIndex))) - return FALSE; - SmallBlockChainStream_FreeBlock(This, extraBlock); - This->parentStorage->firstFreeSmallBlock = min(This->parentStorage->firstFreeSmallBlock, extraBlock); - extraBlock = blockIndex; - } - - return TRUE; -} - -/****************************************************************************** - * SmallBlockChainStream_Enlarge - * - * Grows this chain in the small block depot. - */ -static BOOL SmallBlockChainStream_Enlarge( - SmallBlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULONG blockIndex, currentBlock; - ULONG newNumBlocks; - ULONG oldNumBlocks = 0; - - blockIndex = SmallBlockChainStream_GetHeadOfChain(This); - - /* - * Empty chain. Create the head. - */ - if (blockIndex == BLOCK_END_OF_CHAIN) - { - blockIndex = SmallBlockChainStream_GetNextFreeBlock(This); - SmallBlockChainStream_SetNextBlockInChain( - This, - blockIndex, - BLOCK_END_OF_CHAIN); - - if (This->headOfStreamPlaceHolder != NULL) - { - *(This->headOfStreamPlaceHolder) = blockIndex; - } - else - { - DirEntry chainEntry; - - StorageImpl_ReadDirEntry(This->parentStorage, This->ownerDirEntry, - &chainEntry); - - chainEntry.startingBlock = blockIndex; - - StorageImpl_WriteDirEntry(This->parentStorage, This->ownerDirEntry, - &chainEntry); - } - } - - currentBlock = blockIndex; - - /* - * Figure out how many blocks are needed to contain this stream - */ - newNumBlocks = newSize.LowPart / This->parentStorage->smallBlockSize; - - if ((newSize.LowPart % This->parentStorage->smallBlockSize) != 0) - newNumBlocks++; - - /* - * Go to the current end of chain - */ - while (blockIndex != BLOCK_END_OF_CHAIN) - { - oldNumBlocks++; - currentBlock = blockIndex; - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, currentBlock, &blockIndex))) - return FALSE; - } - - /* - * Add new blocks to the chain - */ - while (oldNumBlocks < newNumBlocks) - { - blockIndex = SmallBlockChainStream_GetNextFreeBlock(This); - SmallBlockChainStream_SetNextBlockInChain(This, currentBlock, blockIndex); - - SmallBlockChainStream_SetNextBlockInChain( - This, - blockIndex, - BLOCK_END_OF_CHAIN); - - currentBlock = blockIndex; - oldNumBlocks++; - } - - return TRUE; -} - -/****************************************************************************** - * SmallBlockChainStream_SetSize - * - * Sets the size of this stream. - * The file will grow if we grow the chain. - * - * TODO: Free the actual blocks in the file when we shrink the chain. - * Currently, the blocks are still in the file. So the file size - * doesn't shrink even if we shrink streams. - */ -BOOL SmallBlockChainStream_SetSize( - SmallBlockChainStream* This, - ULARGE_INTEGER newSize) -{ - ULARGE_INTEGER size = SmallBlockChainStream_GetSize(This); - - if (newSize.LowPart == size.LowPart) - return TRUE; - - if (newSize.LowPart < size.LowPart) - { - SmallBlockChainStream_Shrink(This, newSize); - } - else - { - SmallBlockChainStream_Enlarge(This, newSize); - } - - return TRUE; -} - -/****************************************************************************** - * SmallBlockChainStream_GetCount - * - * Returns the number of small blocks that comprises this chain. - * This is not the size of the stream as the last block may not be full! - * - */ -static ULONG SmallBlockChainStream_GetCount(SmallBlockChainStream* This) -{ - ULONG blockIndex; - ULONG count = 0; - - blockIndex = SmallBlockChainStream_GetHeadOfChain(This); - - while(blockIndex != BLOCK_END_OF_CHAIN) - { - count++; - - if(FAILED(SmallBlockChainStream_GetNextBlockInChain(This, - blockIndex, &blockIndex))) - return 0; - } - - return count; -} - -/****************************************************************************** - * SmallBlockChainStream_GetSize - * - * Returns the size of this chain. - */ -static ULARGE_INTEGER SmallBlockChainStream_GetSize(SmallBlockChainStream* This) -{ - DirEntry chainEntry; - - if(This->headOfStreamPlaceHolder != NULL) - { - ULARGE_INTEGER result; - result.HighPart = 0; - - result.LowPart = SmallBlockChainStream_GetCount(This) * - This->parentStorage->smallBlockSize; - - return result; - } - - StorageImpl_ReadDirEntry( - This->parentStorage, - This->ownerDirEntry, - &chainEntry); - - return chainEntry.size; -} - - -/************************************************************************ - * Miscellaneous storage functions - ***********************************************************************/ - -static HRESULT create_storagefile( - LPCOLESTR pwcsName, - DWORD grfMode, - DWORD grfAttrs, - STGOPTIONS* pStgOptions, - REFIID riid, - void** ppstgOpen) -{ - StorageBaseImpl* newStorage = 0; - HANDLE hFile = INVALID_HANDLE_VALUE; - HRESULT hr = STG_E_INVALIDFLAG; - DWORD shareMode; - DWORD accessMode; - DWORD creationMode; - DWORD fileAttributes; - WCHAR tempFileName[MAX_PATH]; - - if (ppstgOpen == 0) - return STG_E_INVALIDPOINTER; - - if (pStgOptions->ulSectorSize != MIN_BIG_BLOCK_SIZE && pStgOptions->ulSectorSize != MAX_BIG_BLOCK_SIZE) - return STG_E_INVALIDPARAMETER; - - /* if no share mode given then DENY_NONE is the default */ - if (STGM_SHARE_MODE(grfMode) == 0) - grfMode |= STGM_SHARE_DENY_NONE; - - if ( FAILED( validateSTGM(grfMode) )) - goto end; - - /* StgCreateDocFile seems to refuse readonly access, despite MSDN */ - switch(STGM_ACCESS_MODE(grfMode)) - { - case STGM_WRITE: - case STGM_READWRITE: - break; - default: - goto end; - } - - /* in direct mode, can only use SHARE_EXCLUSIVE */ - if (!(grfMode & STGM_TRANSACTED) && (STGM_SHARE_MODE(grfMode) != STGM_SHARE_EXCLUSIVE)) - goto end; - - /* but in transacted mode, any share mode is valid */ - - /* - * Generate a unique name. - */ - if (pwcsName == 0) - { - WCHAR tempPath[MAX_PATH]; - - memset(tempPath, 0, sizeof(tempPath)); - memset(tempFileName, 0, sizeof(tempFileName)); - - if ((GetTempPathW(MAX_PATH, tempPath)) == 0 ) - tempPath[0] = '.'; - - if (GetTempFileNameW(tempPath, L"STO", 0, tempFileName) != 0) - pwcsName = tempFileName; - else - { - hr = STG_E_INSUFFICIENTMEMORY; - goto end; - } - - creationMode = TRUNCATE_EXISTING; - } - else - { - creationMode = GetCreationModeFromSTGM(grfMode); - } - - /* - * Interpret the STGM value grfMode - */ - shareMode = GetShareModeFromSTGM(grfMode); - accessMode = GetAccessModeFromSTGM(grfMode); - - if (grfMode & STGM_DELETEONRELEASE) - fileAttributes = FILE_FLAG_RANDOM_ACCESS | FILE_FLAG_DELETE_ON_CLOSE; - else - fileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS; - - *ppstgOpen = 0; - - hFile = CreateFileW(pwcsName, - accessMode, - shareMode, - NULL, - creationMode, - fileAttributes, - 0); - - if (hFile == INVALID_HANDLE_VALUE) - { - if(GetLastError() == ERROR_FILE_EXISTS) - hr = STG_E_FILEALREADYEXISTS; - else - hr = E_FAIL; - goto end; - } - - /* - * Allocate and initialize the new IStorage object. - */ - hr = Storage_Construct( - hFile, - pwcsName, - NULL, - grfMode, - TRUE, - TRUE, - pStgOptions->ulSectorSize, - &newStorage); - - if (FAILED(hr)) - { - goto end; - } - - hr = IStorage_QueryInterface(&newStorage->IStorage_iface, riid, ppstgOpen); - IStorage_Release(&newStorage->IStorage_iface); - -end: - TRACE("<-- %p r = %#lx\n", *ppstgOpen, hr); - - return hr; -} - -/****************************************************************************** - * StgCreateDocfile [OLE32.@] - * Creates a new compound file storage object - * - * PARAMS - * pwcsName [ I] Unicode string with filename (can be relative or NULL) - * grfMode [ I] Access mode for opening the new storage object (see STGM_ constants) - * reserved [ ?] unused?, usually 0 - * ppstgOpen [IO] A pointer to IStorage pointer to the new object - * - * RETURNS - * S_OK if the file was successfully created - * some STG_E_ value if error - * NOTES - * if pwcsName is NULL, create file with new unique name - * the function can returns - * STG_S_CONVERTED if the specified file was successfully converted to storage format - * (unrealized now) - */ -HRESULT WINAPI StgCreateDocfile( - LPCOLESTR pwcsName, - DWORD grfMode, - DWORD reserved, - IStorage **ppstgOpen) -{ - STGOPTIONS stgoptions = {1, 0, 512}; - - TRACE("%s, %#lx, %ld, %p.\n", debugstr_w(pwcsName), grfMode, reserved, ppstgOpen); - - if (ppstgOpen == 0) - return STG_E_INVALIDPOINTER; - if (reserved != 0) - return STG_E_INVALIDPARAMETER; - - return create_storagefile(pwcsName, grfMode, 0, &stgoptions, &IID_IStorage, (void**)ppstgOpen); -} - -/****************************************************************************** - * StgCreateStorageEx [OLE32.@] - */ -HRESULT WINAPI StgCreateStorageEx(const WCHAR* pwcsName, DWORD grfMode, DWORD stgfmt, DWORD grfAttrs, STGOPTIONS* pStgOptions, void* reserved, REFIID riid, void** ppObjectOpen) -{ - TRACE("%s, %#lx, %#lx, %#lx, %p, %p, %p, %p.\n", debugstr_w(pwcsName), - grfMode, stgfmt, grfAttrs, pStgOptions, reserved, riid, ppObjectOpen); - - if (stgfmt != STGFMT_FILE && grfAttrs != 0) - { - ERR("grfAttrs must be 0 if stgfmt != STGFMT_FILE\n"); - return STG_E_INVALIDPARAMETER; - } - - if (stgfmt == STGFMT_FILE && grfAttrs != 0 && grfAttrs != FILE_FLAG_NO_BUFFERING) - { - ERR("grfAttrs must be 0 or FILE_FLAG_NO_BUFFERING if stgfmt == STGFMT_FILE\n"); - return STG_E_INVALIDPARAMETER; - } - - if (stgfmt == STGFMT_FILE) - { - ERR("Cannot use STGFMT_FILE - this is NTFS only\n"); - return STG_E_INVALIDPARAMETER; - } - - if (stgfmt == STGFMT_STORAGE || stgfmt == STGFMT_DOCFILE) - { - STGOPTIONS defaultOptions = {1, 0, 512}; - - if (!pStgOptions) pStgOptions = &defaultOptions; - return create_storagefile(pwcsName, grfMode, grfAttrs, pStgOptions, riid, ppObjectOpen); - } - - - ERR("Invalid stgfmt argument\n"); - return STG_E_INVALIDPARAMETER; -} - -/****************************************************************************** - * StgCreatePropSetStg [OLE32.@] - */ -HRESULT WINAPI StgCreatePropSetStg(IStorage *pstg, DWORD reserved, - IPropertySetStorage **propset) -{ - TRACE("%p, %#lx, %p.\n", pstg, reserved, propset); - if (reserved) - return STG_E_INVALIDPARAMETER; - - return IStorage_QueryInterface(pstg, &IID_IPropertySetStorage, (void**)propset); -} - -/****************************************************************************** - * StgOpenStorageEx [OLE32.@] - */ -HRESULT WINAPI StgOpenStorageEx(const WCHAR* pwcsName, DWORD grfMode, DWORD stgfmt, DWORD grfAttrs, STGOPTIONS* pStgOptions, void* reserved, REFIID riid, void** ppObjectOpen) -{ - TRACE("%s, %#lx, %#lx, %#lx, %p, %p, %p, %p.\n", debugstr_w(pwcsName), - grfMode, stgfmt, grfAttrs, pStgOptions, reserved, riid, ppObjectOpen); - - if (stgfmt != STGFMT_DOCFILE && grfAttrs != 0) - { - ERR("grfAttrs must be 0 if stgfmt != STGFMT_DOCFILE\n"); - return STG_E_INVALIDPARAMETER; - } - - switch (stgfmt) - { - case STGFMT_FILE: - ERR("Cannot use STGFMT_FILE - this is NTFS only\n"); - return STG_E_INVALIDPARAMETER; - - case STGFMT_STORAGE: - break; - - case STGFMT_DOCFILE: - if (grfAttrs && grfAttrs != FILE_FLAG_NO_BUFFERING) - { - ERR("grfAttrs must be 0 or FILE_FLAG_NO_BUFFERING if stgfmt == STGFMT_DOCFILE\n"); - return STG_E_INVALIDPARAMETER; - } - FIXME("Stub: calling StgOpenStorage, but ignoring pStgOptions and grfAttrs\n"); - break; - - case STGFMT_ANY: - WARN("STGFMT_ANY assuming storage\n"); - break; - - default: - return STG_E_INVALIDPARAMETER; - } - - return StgOpenStorage(pwcsName, NULL, grfMode, NULL, 0, (IStorage **)ppObjectOpen); -} - - -/****************************************************************************** - * StgOpenStorage [OLE32.@] - */ -HRESULT WINAPI StgOpenStorage( - const OLECHAR *pwcsName, - IStorage *pstgPriority, - DWORD grfMode, - SNB snbExclude, - DWORD reserved, - IStorage **ppstgOpen) -{ - StorageBaseImpl* newStorage = 0; - HRESULT hr = S_OK; - HANDLE hFile = 0; - DWORD shareMode; - DWORD accessMode; - LPWSTR temp_name = NULL; - - TRACE("%s, %p, %#lx, %p, %ld, %p.\n", debugstr_w(pwcsName), pstgPriority, grfMode, - snbExclude, reserved, ppstgOpen); - - if (pstgPriority) - { - /* FIXME: Copy ILockBytes instead? But currently for STGM_PRIORITY it'll be read-only. */ - hr = StorageBaseImpl_GetFilename((StorageBaseImpl*)pstgPriority, &temp_name); - if (FAILED(hr)) goto end; - pwcsName = temp_name; - TRACE("using filename %s\n", debugstr_w(temp_name)); - } - - if (pwcsName == 0) - { - hr = STG_E_INVALIDNAME; - goto end; - } - - if (ppstgOpen == 0) - { - hr = STG_E_INVALIDPOINTER; - goto end; - } - - if (reserved) - { - hr = STG_E_INVALIDPARAMETER; - goto end; - } - - if (grfMode & STGM_PRIORITY) - { - if (grfMode & (STGM_TRANSACTED|STGM_SIMPLE|STGM_NOSCRATCH|STGM_NOSNAPSHOT)) - return STG_E_INVALIDFLAG; - if (grfMode & STGM_DELETEONRELEASE) - return STG_E_INVALIDFUNCTION; - if(STGM_ACCESS_MODE(grfMode) != STGM_READ) - return STG_E_INVALIDFLAG; - grfMode &= ~0xf0; /* remove the existing sharing mode */ - grfMode |= STGM_SHARE_DENY_NONE; - } - - /* - * Validate the sharing mode - */ - if (grfMode & STGM_DIRECT_SWMR) - { - if ((STGM_SHARE_MODE(grfMode) != STGM_SHARE_DENY_WRITE) && - (STGM_SHARE_MODE(grfMode) != STGM_SHARE_DENY_NONE)) - { - hr = STG_E_INVALIDFLAG; - goto end; - } - } - else if (!(grfMode & (STGM_TRANSACTED|STGM_PRIORITY))) - switch(STGM_SHARE_MODE(grfMode)) - { - case STGM_SHARE_EXCLUSIVE: - case STGM_SHARE_DENY_WRITE: - break; - default: - hr = STG_E_INVALIDFLAG; - goto end; - } - - if ( FAILED( validateSTGM(grfMode) ) || - (grfMode&STGM_CREATE)) - { - hr = STG_E_INVALIDFLAG; - goto end; - } - - /* shared reading requires transacted or single writer mode */ - if( STGM_SHARE_MODE(grfMode) == STGM_SHARE_DENY_WRITE && - STGM_ACCESS_MODE(grfMode) == STGM_READWRITE && - !(grfMode & STGM_TRANSACTED) && !(grfMode & STGM_DIRECT_SWMR)) - { - hr = STG_E_INVALIDFLAG; - goto end; - } - - /* - * Interpret the STGM value grfMode - */ - shareMode = GetShareModeFromSTGM(grfMode); - accessMode = GetAccessModeFromSTGM(grfMode); - - *ppstgOpen = 0; - - hFile = CreateFileW( pwcsName, - accessMode, - shareMode, - NULL, - OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, - 0); - - if (hFile==INVALID_HANDLE_VALUE) - { - DWORD last_error = GetLastError(); - - hr = E_FAIL; - - switch (last_error) - { - case ERROR_FILE_NOT_FOUND: - hr = STG_E_FILENOTFOUND; - break; - - case ERROR_PATH_NOT_FOUND: - hr = STG_E_PATHNOTFOUND; - break; - - case ERROR_ACCESS_DENIED: - case ERROR_WRITE_PROTECT: - hr = STG_E_ACCESSDENIED; - break; - - case ERROR_SHARING_VIOLATION: - hr = STG_E_SHAREVIOLATION; - break; - - default: - hr = E_FAIL; - } - - goto end; - } - - /* - * Refuse to open the file if it's too small to be a structured storage file - * FIXME: verify the file when reading instead of here - */ - if (GetFileSize(hFile, NULL) < HEADER_SIZE) - { - CloseHandle(hFile); - hr = STG_E_FILEALREADYEXISTS; - goto end; - } - - /* - * Allocate and initialize the new IStorage object. - */ - hr = Storage_Construct( - hFile, - pwcsName, - NULL, - grfMode, - TRUE, - FALSE, - 512, - &newStorage); - - if (FAILED(hr)) - { - /* - * According to the docs if the file is not a storage, return STG_E_FILEALREADYEXISTS - */ - if(hr == STG_E_INVALIDHEADER) - hr = STG_E_FILEALREADYEXISTS; - goto end; - } - - *ppstgOpen = &newStorage->IStorage_iface; - -end: - CoTaskMemFree(temp_name); - if (pstgPriority) IStorage_Release(pstgPriority); - TRACE("<-- %#lx, IStorage %p\n", hr, ppstgOpen ? *ppstgOpen : NULL); - return hr; -} - -/****************************************************************************** - * StgCreateDocfileOnILockBytes [OLE32.@] - */ -HRESULT WINAPI StgCreateDocfileOnILockBytes( - ILockBytes *plkbyt, - DWORD grfMode, - DWORD reserved, - IStorage** ppstgOpen) -{ - StorageBaseImpl* newStorage = 0; - HRESULT hr = S_OK; - - if ((ppstgOpen == 0) || (plkbyt == 0)) - return STG_E_INVALIDPOINTER; - - /* - * Allocate and initialize the new IStorage object. - */ - hr = Storage_Construct( - 0, - 0, - plkbyt, - grfMode, - FALSE, - TRUE, - 512, - &newStorage); - - if (FAILED(hr)) - { - return hr; - } - - *ppstgOpen = &newStorage->IStorage_iface; - - return hr; -} - -/****************************************************************************** - * StgOpenStorageOnILockBytes [OLE32.@] - */ -HRESULT WINAPI StgOpenStorageOnILockBytes( - ILockBytes *plkbyt, - IStorage *pstgPriority, - DWORD grfMode, - SNB snbExclude, - DWORD reserved, - IStorage **ppstgOpen) -{ - StorageBaseImpl* newStorage = 0; - HRESULT hr = S_OK; - - if ((plkbyt == 0) || (ppstgOpen == 0)) - return STG_E_INVALIDPOINTER; - - if ( FAILED( validateSTGM(grfMode) )) - return STG_E_INVALIDFLAG; - - *ppstgOpen = 0; - - /* - * Allocate and initialize the new IStorage object. - */ - hr = Storage_Construct( - 0, - 0, - plkbyt, - grfMode, - FALSE, - FALSE, - 512, - &newStorage); - - if (FAILED(hr)) - { - return hr; - } - - *ppstgOpen = &newStorage->IStorage_iface; - - return hr; -} - -/****************************************************************************** - * StgSetTimes [ole32.@] - * StgSetTimes [OLE32.@] - * - * - */ -HRESULT WINAPI StgSetTimes(OLECHAR const *str, FILETIME const *pctime, - FILETIME const *patime, FILETIME const *pmtime) -{ - IStorage *stg = NULL; - HRESULT r; - - TRACE("%s %p %p %p\n", debugstr_w(str), pctime, patime, pmtime); - - r = StgOpenStorage(str, NULL, STGM_READWRITE | STGM_SHARE_DENY_WRITE, - 0, 0, &stg); - if( SUCCEEDED(r) ) - { - r = IStorage_SetElementTimes(stg, NULL, pctime, patime, pmtime); - IStorage_Release(stg); - } - - return r; -} - -/****************************************************************************** - * StgIsStorageILockBytes [OLE32.@] - * - * Determines if the ILockBytes contains a storage object. - */ -HRESULT WINAPI StgIsStorageILockBytes(ILockBytes *plkbyt) -{ - BYTE sig[sizeof(STORAGE_magic)]; - ULARGE_INTEGER offset; - ULONG read = 0; - - offset.HighPart = 0; - offset.LowPart = 0; - - ILockBytes_ReadAt(plkbyt, offset, sig, sizeof(sig), &read); - - if (read == sizeof(sig) && memcmp(sig, STORAGE_magic, sizeof(sig)) == 0) - return S_OK; - - return S_FALSE; -} - -/****************************************************************************** - * WriteClassStg [OLE32.@] - * - * This method will store the specified CLSID in the specified storage object - */ -HRESULT WINAPI WriteClassStg(IStorage* pStg, REFCLSID rclsid) -{ - if(!pStg) - return E_INVALIDARG; - - if(!rclsid) - return STG_E_INVALIDPOINTER; - - return IStorage_SetClass(pStg, rclsid); -} - -/*********************************************************************** - * ReadClassStg (OLE32.@) - * - * This method reads the CLSID previously written to a storage object with - * the WriteClassStg. - * - * PARAMS - * pstg [I] IStorage pointer - * pclsid [O] Pointer to where the CLSID is written - * - * RETURNS - * Success: S_OK. - * Failure: HRESULT code. - */ -HRESULT WINAPI ReadClassStg(IStorage *pstg,CLSID *pclsid){ - - STATSTG pstatstg; - HRESULT hRes; - - TRACE("(%p, %p)\n", pstg, pclsid); - - if(!pstg || !pclsid) - return E_INVALIDARG; - - /* - * read a STATSTG structure (contains the clsid) from the storage - */ - hRes=IStorage_Stat(pstg,&pstatstg,STATFLAG_NONAME); - - if(SUCCEEDED(hRes)) - *pclsid=pstatstg.clsid; - - return hRes; -}
/*********************************************************************** * OleLoadFromStream (OLE32.@) @@ -9141,7 +122,7 @@ HRESULT WINAPI OleSaveToStream(IPersistStream *pPStm,IStream *pStm) }
/************************************************************************* - * STORAGE_CreateOleStream [Internal] + * STORAGE_CreateOleStream [Internal] (copy from coml2) * * Creates the "\001OLE" stream in the IStorage if necessary. * @@ -9191,337 +172,6 @@ HRESULT STORAGE_CreateOleStream(IStorage *storage, DWORD flags) return hr; }
-/* write a string to a stream, preceded by its length */ -static HRESULT STREAM_WriteString( IStream *stm, LPCWSTR string ) -{ - HRESULT r; - LPSTR str; - DWORD len = 0; - - if( string ) - len = WideCharToMultiByte( CP_ACP, 0, string, -1, NULL, 0, NULL, NULL); - r = IStream_Write( stm, &len, sizeof(len), NULL); - if( FAILED( r ) ) - return r; - if(len == 0) - return r; - str = CoTaskMemAlloc( len ); - WideCharToMultiByte( CP_ACP, 0, string, -1, str, len, NULL, NULL); - r = IStream_Write( stm, str, len, NULL); - CoTaskMemFree( str ); - return r; -} - -/* read a string preceded by its length from a stream */ -static HRESULT STREAM_ReadString( IStream *stm, LPWSTR *string ) -{ - HRESULT r; - DWORD len, count = 0; - LPSTR str; - LPWSTR wstr; - - r = IStream_Read( stm, &len, sizeof(len), &count ); - if( FAILED( r ) ) - return r; - if( count != sizeof(len) ) - return E_OUTOFMEMORY; - - TRACE("%ld bytes\n",len); - - str = CoTaskMemAlloc( len ); - if( !str ) - return E_OUTOFMEMORY; - count = 0; - r = IStream_Read( stm, str, len, &count ); - if( FAILED( r ) ) - { - CoTaskMemFree( str ); - return r; - } - if( count != len ) - { - CoTaskMemFree( str ); - return E_OUTOFMEMORY; - } - - TRACE("Read string %s\n",debugstr_an(str,len)); - - len = MultiByteToWideChar( CP_ACP, 0, str, count, NULL, 0 ); - wstr = CoTaskMemAlloc( (len + 1)*sizeof (WCHAR) ); - if( wstr ) - { - MultiByteToWideChar( CP_ACP, 0, str, count, wstr, len ); - wstr[len] = 0; - } - CoTaskMemFree( str ); - - *string = wstr; - - return r; -} - - -static HRESULT STORAGE_WriteCompObj( LPSTORAGE pstg, CLSID *clsid, - LPCWSTR lpszUserType, LPCWSTR szClipName, LPCWSTR szProgIDName ) -{ - IStream *pstm; - HRESULT r = S_OK; - - static const BYTE unknown1[12] = - { 0x01, 0x00, 0xFE, 0xFF, 0x03, 0x0A, 0x00, 0x00, - 0xFF, 0xFF, 0xFF, 0xFF}; - static const BYTE unknown2[16] = - { 0xF4, 0x39, 0xB2, 0x71, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; - - TRACE("%p %s %s %s %s\n", pstg, debugstr_guid(clsid), - debugstr_w(lpszUserType), debugstr_w(szClipName), - debugstr_w(szProgIDName)); - - /* Create a CompObj stream */ - r = IStorage_CreateStream(pstg, L"\1CompObj", - STGM_CREATE | STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &pstm ); - if( FAILED (r) ) - return r; - - /* Write CompObj Structure to stream */ - r = IStream_Write(pstm, unknown1, sizeof(unknown1), NULL); - - if( SUCCEEDED( r ) ) - r = WriteClassStm( pstm, clsid ); - - if( SUCCEEDED( r ) ) - r = STREAM_WriteString( pstm, lpszUserType ); - if( SUCCEEDED( r ) ) - r = STREAM_WriteString( pstm, szClipName ); - if( SUCCEEDED( r ) ) - r = STREAM_WriteString( pstm, szProgIDName ); - if( SUCCEEDED( r ) ) - r = IStream_Write(pstm, unknown2, sizeof(unknown2), NULL); - - IStream_Release( pstm ); - - return r; -} - -/*********************************************************************** - * WriteFmtUserTypeStg (OLE32.@) - */ -HRESULT WINAPI WriteFmtUserTypeStg( - LPSTORAGE pstg, CLIPFORMAT cf, LPOLESTR lpszUserType) -{ - STATSTG stat; - HRESULT r; - WCHAR szwClipName[0x40]; - CLSID clsid; - LPWSTR wstrProgID = NULL; - DWORD n; - - TRACE("(%p,%x,%s)\n",pstg,cf,debugstr_w(lpszUserType)); - - /* get the clipboard format name */ - if( cf ) - { - n = GetClipboardFormatNameW(cf, szwClipName, ARRAY_SIZE(szwClipName)); - szwClipName[n]=0; - } - - TRACE("Clipboard name is %s\n", debugstr_w(szwClipName)); - - r = IStorage_Stat(pstg, &stat, STATFLAG_NONAME); - if(SUCCEEDED(r)) - clsid = stat.clsid; - else - clsid = CLSID_NULL; - - ProgIDFromCLSID(&clsid, &wstrProgID); - - TRACE("progid is %s\n",debugstr_w(wstrProgID)); - - r = STORAGE_WriteCompObj( pstg, &clsid, lpszUserType, - cf ? szwClipName : NULL, wstrProgID ); - - CoTaskMemFree(wstrProgID); - - return r; -} - - -/****************************************************************************** - * ReadFmtUserTypeStg [OLE32.@] - */ -HRESULT WINAPI ReadFmtUserTypeStg (LPSTORAGE pstg, CLIPFORMAT* pcf, LPOLESTR* lplpszUserType) -{ - HRESULT r; - IStream *stm = 0; - unsigned char unknown1[12]; - unsigned char unknown2[16]; - DWORD count; - LPWSTR szProgIDName = NULL, szCLSIDName = NULL, szOleTypeName = NULL; - CLSID clsid; - - TRACE("(%p,%p,%p)\n", pstg, pcf, lplpszUserType); - - r = IStorage_OpenStream( pstg, L"\1CompObj", NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm ); - if( FAILED ( r ) ) - { - WARN("Failed to open stream r = %#lx\n", r); - return r; - } - - /* read the various parts of the structure */ - r = IStream_Read( stm, unknown1, sizeof(unknown1), &count ); - if( FAILED( r ) || ( count != sizeof(unknown1) ) ) - goto end; - r = ReadClassStm( stm, &clsid ); - if( FAILED( r ) ) - goto end; - - r = STREAM_ReadString( stm, &szCLSIDName ); - if( FAILED( r ) ) - goto end; - - r = STREAM_ReadString( stm, &szOleTypeName ); - if( FAILED( r ) ) - goto end; - - r = STREAM_ReadString( stm, &szProgIDName ); - if( FAILED( r ) ) - goto end; - - r = IStream_Read( stm, unknown2, sizeof(unknown2), &count ); - if( FAILED( r ) || ( count != sizeof(unknown2) ) ) - goto end; - - /* ok, success... now we just need to store what we found */ - if( pcf ) - *pcf = RegisterClipboardFormatW( szOleTypeName ); - - if( lplpszUserType ) - { - *lplpszUserType = szCLSIDName; - szCLSIDName = NULL; - } - -end: - CoTaskMemFree( szCLSIDName ); - CoTaskMemFree( szOleTypeName ); - CoTaskMemFree( szProgIDName ); - IStream_Release( stm ); - - return r; -} - -/****************************************************************************** - * StgIsStorageFile [OLE32.@] - * Verify if the file contains a storage object - * - * PARAMS - * fn [ I] Filename - * - * RETURNS - * S_OK if file has magic bytes as a storage object - * S_FALSE if file is not storage - */ -HRESULT WINAPI -StgIsStorageFile(LPCOLESTR fn) -{ - HANDLE hf; - BYTE magic[8]; - DWORD bytes_read; - - TRACE("%s\n", debugstr_w(fn)); - hf = CreateFileW(fn, GENERIC_READ, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, - NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - - if (hf == INVALID_HANDLE_VALUE) - return STG_E_FILENOTFOUND; - - if (!ReadFile(hf, magic, 8, &bytes_read, NULL)) - { - WARN(" unable to read file\n"); - CloseHandle(hf); - return S_FALSE; - } - - CloseHandle(hf); - - if (bytes_read != 8) { - TRACE(" too short\n"); - return S_FALSE; - } - - if (!memcmp(magic,STORAGE_magic,8)) { - TRACE(" -> YES\n"); - return S_OK; - } - - TRACE(" -> Invalid header.\n"); - return S_FALSE; -} - -/*********************************************************************** - * WriteClassStm (OLE32.@) - * - * Writes a CLSID to a stream. - * - * PARAMS - * pStm [I] Stream to write to. - * rclsid [I] CLSID to write. - * - * RETURNS - * Success: S_OK. - * Failure: HRESULT code. - */ -HRESULT WINAPI WriteClassStm(IStream *pStm,REFCLSID rclsid) -{ - TRACE("(%p,%p)\n",pStm,rclsid); - - if (!pStm || !rclsid) - return E_INVALIDARG; - - return IStream_Write(pStm,rclsid,sizeof(CLSID),NULL); -} - -/*********************************************************************** - * ReadClassStm (OLE32.@) - * - * Reads a CLSID from a stream. - * - * PARAMS - * pStm [I] Stream to read from. - * rclsid [O] CLSID to read. - * - * RETURNS - * Success: S_OK. - * Failure: HRESULT code. - */ -HRESULT WINAPI ReadClassStm(IStream *pStm,CLSID *pclsid) -{ - ULONG nbByte; - HRESULT res; - - TRACE("(%p,%p)\n",pStm,pclsid); - - if (!pStm || !pclsid) - return E_INVALIDARG; - - /* clear the output args */ - *pclsid = CLSID_NULL; - - res = IStream_Read(pStm, pclsid, sizeof(CLSID), &nbByte); - - if (FAILED(res)) - return res; - - if (nbByte != sizeof(CLSID)) - return STG_E_READFAULT; - else - return S_OK; -} - - /************************************************************************ * OleConvert Functions ***********************************************************************/ @@ -10549,11 +1199,6 @@ HRESULT WINAPI OleConvertIStorageToOLESTREAM ( return hRes; }
-enum stream_1ole_flags { - OleStream_LinkedObject = 0x00000001, - OleStream_Convert = 0x00000004 -}; - /************************************************************************* * OleConvertIStorageToOLESTREAMEx [OLE32.@] */ @@ -10564,86 +1209,3 @@ HRESULT WINAPI OleConvertIStorageToOLESTREAMEx ( LPSTORAGE stg, CLIPFORMAT cf, L
return E_NOTIMPL; } - -/*********************************************************************** - * GetConvertStg (OLE32.@) - */ -HRESULT WINAPI GetConvertStg(IStorage *stg) -{ - static const DWORD version_magic = 0x02000001; - DWORD header[2]; - IStream *stream; - HRESULT hr; - - TRACE("%p\n", stg); - - if (!stg) return E_INVALIDARG; - - hr = IStorage_OpenStream(stg, L"\1Ole", NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream); - if (FAILED(hr)) return hr; - - hr = IStream_Read(stream, header, sizeof(header), NULL); - IStream_Release(stream); - if (FAILED(hr)) return hr; - - if (header[0] != version_magic) - { - ERR("got wrong version magic for 1Ole stream, %#lx.\n", header[0]); - return E_FAIL; - } - - return header[1] & OleStream_Convert ? S_OK : S_FALSE; -} - -/*********************************************************************** - * SetConvertStg (OLE32.@) - */ -HRESULT WINAPI SetConvertStg(IStorage *storage, BOOL convert) -{ - DWORD flags = convert ? OleStream_Convert : 0; - IStream *stream; - DWORD header[2]; - HRESULT hr; - - TRACE("(%p, %d)\n", storage, convert); - - hr = IStorage_OpenStream(storage, L"\1Ole", NULL, STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &stream); - if (FAILED(hr)) - { - if (hr != STG_E_FILENOTFOUND) - return hr; - - return STORAGE_CreateOleStream(storage, flags); - } - - hr = IStream_Read(stream, header, sizeof(header), NULL); - if (FAILED(hr)) - { - IStream_Release(stream); - return hr; - } - - /* update flag if differs */ - if ((header[1] ^ flags) & OleStream_Convert) - { - LARGE_INTEGER pos = {{0}}; - - if (header[1] & OleStream_Convert) - flags = header[1] & ~OleStream_Convert; - else - flags = header[1] | OleStream_Convert; - - pos.QuadPart = sizeof(DWORD); - hr = IStream_Seek(stream, pos, STREAM_SEEK_SET, NULL); - if (FAILED(hr)) - { - IStream_Release(stream); - return hr; - } - - hr = IStream_Write(stream, &flags, sizeof(flags), NULL); - } - - IStream_Release(stream); - return hr; -} diff --git a/dlls/ole32/storage32.h b/dlls/ole32/storage32.h index dd4b89aceec..591b389c329 100644 --- a/dlls/ole32/storage32.h +++ b/dlls/ole32/storage32.h @@ -40,532 +40,8 @@ #include "winternl.h" #include "wine/list.h"
-/* - * Definitions for the file format offsets. - */ -static const ULONG OFFSET_MINORVERSION = 0x00000018; -static const ULONG OFFSET_MAJORVERSION = 0x0000001a; -static const ULONG OFFSET_BYTEORDERMARKER = 0x0000001c; -static const ULONG OFFSET_BIGBLOCKSIZEBITS = 0x0000001e; -static const ULONG OFFSET_SMALLBLOCKSIZEBITS = 0x00000020; -static const ULONG OFFSET_DIRSECTORCOUNT = 0x00000028; -static const ULONG OFFSET_BBDEPOTCOUNT = 0x0000002C; -static const ULONG OFFSET_ROOTSTARTBLOCK = 0x00000030; -static const ULONG OFFSET_TRANSACTIONSIG = 0x00000034; -static const ULONG OFFSET_SMALLBLOCKLIMIT = 0x00000038; -static const ULONG OFFSET_SBDEPOTSTART = 0x0000003C; -static const ULONG OFFSET_SBDEPOTCOUNT = 0x00000040; -static const ULONG OFFSET_EXTBBDEPOTSTART = 0x00000044; -static const ULONG OFFSET_EXTBBDEPOTCOUNT = 0x00000048; -static const ULONG OFFSET_BBDEPOTSTART = 0x0000004C; -static const ULONG OFFSET_PS_NAME = 0x00000000; -static const ULONG OFFSET_PS_NAMELENGTH = 0x00000040; -static const ULONG OFFSET_PS_STGTYPE = 0x00000042; -static const ULONG OFFSET_PS_LEFTCHILD = 0x00000044; -static const ULONG OFFSET_PS_RIGHTCHILD = 0x00000048; -static const ULONG OFFSET_PS_DIRROOT = 0x0000004C; -static const ULONG OFFSET_PS_GUID = 0x00000050; -static const ULONG OFFSET_PS_CTIMELOW = 0x00000064; -static const ULONG OFFSET_PS_CTIMEHIGH = 0x00000068; -static const ULONG OFFSET_PS_MTIMELOW = 0x0000006C; -static const ULONG OFFSET_PS_MTIMEHIGH = 0x00000070; -static const ULONG OFFSET_PS_STARTBLOCK = 0x00000074; -static const ULONG OFFSET_PS_SIZE = 0x00000078; -static const ULONG OFFSET_PS_SIZE_HIGH = 0x0000007C; -static const WORD DEF_BIG_BLOCK_SIZE_BITS = 0x0009; -static const WORD MIN_BIG_BLOCK_SIZE_BITS = 0x0009; -static const WORD MAX_BIG_BLOCK_SIZE_BITS = 0x000c; -static const WORD DEF_SMALL_BLOCK_SIZE_BITS = 0x0006; -static const WORD DEF_BIG_BLOCK_SIZE = 0x0200; -static const WORD DEF_SMALL_BLOCK_SIZE = 0x0040; -static const ULONG BLOCK_FIRST_SPECIAL = 0xFFFFFFFB; -static const ULONG BLOCK_EXTBBDEPOT = 0xFFFFFFFC; -static const ULONG BLOCK_SPECIAL = 0xFFFFFFFD; -static const ULONG BLOCK_END_OF_CHAIN = 0xFFFFFFFE; -static const ULONG BLOCK_UNUSED = 0xFFFFFFFF; -static const ULONG DIRENTRY_NULL = 0xFFFFFFFF; - -#define DIRENTRY_NAME_MAX_LEN 0x20 -#define DIRENTRY_NAME_BUFFER_LEN 0x40 - -#define RAW_DIRENTRY_SIZE 0x00000080 - -#define HEADER_SIZE 512 - -#define MIN_BIG_BLOCK_SIZE 0x200 -#define MAX_BIG_BLOCK_SIZE 0x1000 - -/* - * Type of child entry link - */ -#define DIRENTRY_RELATION_PREVIOUS 0 -#define DIRENTRY_RELATION_NEXT 1 -#define DIRENTRY_RELATION_DIR 2 - -/* - * type constant used in files for the root storage - */ -#define STGTY_ROOT 0x05 - -#define COUNT_BBDEPOTINHEADER 109 - -/* FIXME: This value is stored in the header, but we hard-code it to 0x1000. */ -#define LIMIT_TO_USE_SMALL_BLOCK 0x1000 - -#define STGM_ACCESS_MODE(stgm) ((stgm)&0x0000f) -#define STGM_SHARE_MODE(stgm) ((stgm)&0x000f0) -#define STGM_CREATE_MODE(stgm) ((stgm)&0x0f000) - -#define STGM_KNOWN_FLAGS (0xf0ff | \ - STGM_TRANSACTED | STGM_CONVERT | STGM_PRIORITY | STGM_NOSCRATCH | \ - STGM_NOSNAPSHOT | STGM_DIRECT_SWMR | STGM_DELETEONRELEASE | STGM_SIMPLE) - -/* - * Forward declarations of all the structures used by the storage - * module. - */ -typedef struct StorageBaseImpl StorageBaseImpl; -typedef struct StorageBaseImplVtbl StorageBaseImplVtbl; -typedef struct StorageImpl StorageImpl; -typedef struct BlockChainStream BlockChainStream; -typedef struct SmallBlockChainStream SmallBlockChainStream; -typedef struct IEnumSTATSTGImpl IEnumSTATSTGImpl; -typedef struct DirEntry DirEntry; -typedef struct StgStreamImpl StgStreamImpl; - -/* - * A reference to a directory entry in the file or a transacted cache. - */ -typedef ULONG DirRef; - -/* - * This utility structure is used to read/write the information in a directory - * entry. - */ -struct DirEntry -{ - WCHAR name[DIRENTRY_NAME_MAX_LEN]; - WORD sizeOfNameString; - BYTE stgType; - DirRef leftChild; - DirRef rightChild; - DirRef dirRootEntry; - GUID clsid; - FILETIME ctime; - FILETIME mtime; - ULONG startingBlock; - ULARGE_INTEGER size; -}; - -HRESULT FileLockBytesImpl_Construct(HANDLE hFile, DWORD openFlags, LPCWSTR pwcsName, ILockBytes **pLockBytes); - -/************************************************************************* - * Ole Convert support - */
HRESULT STORAGE_CreateOleStream(IStorage*, DWORD); HRESULT OLECONVERT_CreateCompObjStream(LPSTORAGE pStorage, LPCSTR strOleTypeName);
-enum swmr_mode -{ - SWMR_None, - SWMR_Writer, - SWMR_Reader -}; - -/**************************************************************************** - * StorageBaseImpl definitions. - * - * This structure defines the base information contained in all implementations - * of IStorage contained in this file storage implementation. - * - * In OOP terms, this is the base class for all the IStorage implementations - * contained in this file. - */ -struct StorageBaseImpl -{ - IStorage IStorage_iface; - IPropertySetStorage IPropertySetStorage_iface; /* interface for adding a properties stream */ - IDirectWriterLock IDirectWriterLock_iface; - LONG ref; - - /* - * Stream tracking list - */ - - struct list strmHead; - - /* - * Storage tracking list - */ - struct list storageHead; - - /* - * TRUE if this object has been invalidated - */ - BOOL reverted; - - /* - * Index of the directory entry of this storage - */ - DirRef storageDirEntry; - - /* - * virtual methods. - */ - const StorageBaseImplVtbl *baseVtbl; - - /* - * flags that this storage was opened or created with - */ - DWORD openFlags; - - /* - * State bits appear to only be preserved while running. No in the stream - */ - DWORD stateBits; - - BOOL create; /* Was the storage created or opened. - The behaviour of STGM_SIMPLE depends on this */ - /* - * If this storage was opened in transacted mode, the object that implements - * the transacted snapshot or cache. - */ - StorageBaseImpl *transactedChild; - enum swmr_mode lockingrole; -}; - -/* virtual methods for StorageBaseImpl objects */ -struct StorageBaseImplVtbl { - void (*Destroy)(StorageBaseImpl*); - void (*Invalidate)(StorageBaseImpl*); - HRESULT (*Flush)(StorageBaseImpl*); - HRESULT (*GetFilename)(StorageBaseImpl*,LPWSTR*); - HRESULT (*CreateDirEntry)(StorageBaseImpl*,const DirEntry*,DirRef*); - HRESULT (*WriteDirEntry)(StorageBaseImpl*,DirRef,const DirEntry*); - HRESULT (*ReadDirEntry)(StorageBaseImpl*,DirRef,DirEntry*); - HRESULT (*DestroyDirEntry)(StorageBaseImpl*,DirRef); - HRESULT (*StreamReadAt)(StorageBaseImpl*,DirRef,ULARGE_INTEGER,ULONG,void*,ULONG*); - HRESULT (*StreamWriteAt)(StorageBaseImpl*,DirRef,ULARGE_INTEGER,ULONG,const void*,ULONG*); - HRESULT (*StreamSetSize)(StorageBaseImpl*,DirRef,ULARGE_INTEGER); - HRESULT (*StreamLink)(StorageBaseImpl*,DirRef,DirRef); - HRESULT (*GetTransactionSig)(StorageBaseImpl*,ULONG*,BOOL); - HRESULT (*SetTransactionSig)(StorageBaseImpl*,ULONG); - HRESULT (*LockTransaction)(StorageBaseImpl*,BOOL); - HRESULT (*UnlockTransaction)(StorageBaseImpl*,BOOL); -}; - -static inline void StorageBaseImpl_Destroy(StorageBaseImpl *This) -{ - This->baseVtbl->Destroy(This); -} - -static inline void StorageBaseImpl_Invalidate(StorageBaseImpl *This) -{ - This->baseVtbl->Invalidate(This); -} - -static inline HRESULT StorageBaseImpl_Flush(StorageBaseImpl *This) -{ - return This->baseVtbl->Flush(This); -} - -static inline HRESULT StorageBaseImpl_GetFilename(StorageBaseImpl *This, LPWSTR *result) -{ - return This->baseVtbl->GetFilename(This, result); -} - -static inline HRESULT StorageBaseImpl_CreateDirEntry(StorageBaseImpl *This, - const DirEntry *newData, DirRef *index) -{ - return This->baseVtbl->CreateDirEntry(This, newData, index); -} - -static inline HRESULT StorageBaseImpl_WriteDirEntry(StorageBaseImpl *This, - DirRef index, const DirEntry *data) -{ - return This->baseVtbl->WriteDirEntry(This, index, data); -} - -static inline HRESULT StorageBaseImpl_ReadDirEntry(StorageBaseImpl *This, - DirRef index, DirEntry *data) -{ - return This->baseVtbl->ReadDirEntry(This, index, data); -} - -static inline HRESULT StorageBaseImpl_DestroyDirEntry(StorageBaseImpl *This, - DirRef index) -{ - return This->baseVtbl->DestroyDirEntry(This, index); -} - -/* Read up to size bytes from this directory entry's stream at the given offset. */ -static inline HRESULT StorageBaseImpl_StreamReadAt(StorageBaseImpl *This, - DirRef index, ULARGE_INTEGER offset, ULONG size, void *buffer, ULONG *bytesRead) -{ - return This->baseVtbl->StreamReadAt(This, index, offset, size, buffer, bytesRead); -} - -/* Write size bytes to this directory entry's stream at the given offset, - * growing the stream if necessary. */ -static inline HRESULT StorageBaseImpl_StreamWriteAt(StorageBaseImpl *This, - DirRef index, ULARGE_INTEGER offset, ULONG size, const void *buffer, ULONG *bytesWritten) -{ - return This->baseVtbl->StreamWriteAt(This, index, offset, size, buffer, bytesWritten); -} - -static inline HRESULT StorageBaseImpl_StreamSetSize(StorageBaseImpl *This, - DirRef index, ULARGE_INTEGER newsize) -{ - return This->baseVtbl->StreamSetSize(This, index, newsize); -} - -/* Make dst point to the same stream that src points to. Other stream operations - * will not work properly for entries that point to the same stream, so this - * must be a very temporary state, and only one entry pointing to a given stream - * may be reachable at any given time. */ -static inline HRESULT StorageBaseImpl_StreamLink(StorageBaseImpl *This, - DirRef dst, DirRef src) -{ - return This->baseVtbl->StreamLink(This, dst, src); -} - -static inline HRESULT StorageBaseImpl_GetTransactionSig(StorageBaseImpl *This, - ULONG* result, BOOL refresh) -{ - return This->baseVtbl->GetTransactionSig(This, result, refresh); -} - -static inline HRESULT StorageBaseImpl_SetTransactionSig(StorageBaseImpl *This, - ULONG value) -{ - return This->baseVtbl->SetTransactionSig(This, value); -} - -static inline HRESULT StorageBaseImpl_LockTransaction(StorageBaseImpl *This, BOOL write) -{ - return This->baseVtbl->LockTransaction(This, write); -} - -static inline HRESULT StorageBaseImpl_UnlockTransaction(StorageBaseImpl *This, BOOL write) -{ - return This->baseVtbl->UnlockTransaction(This, write); -} - -/**************************************************************************** - * StorageBaseImpl stream list handlers - */ - -void StorageBaseImpl_AddStream(StorageBaseImpl * stg, StgStreamImpl * strm); -void StorageBaseImpl_RemoveStream(StorageBaseImpl * stg, StgStreamImpl * strm); - -/* Number of BlockChainStream objects to cache in a StorageImpl */ -#define BLOCKCHAIN_CACHE_SIZE 4 - -/**************************************************************************** - * StorageImpl definitions. - * - * This implementation of the IStorage interface represents a root - * storage. Basically, a document file. - */ -struct StorageImpl -{ - struct StorageBaseImpl base; - - /* - * File header - */ - WORD bigBlockSizeBits; - WORD smallBlockSizeBits; - ULONG bigBlockSize; - ULONG smallBlockSize; - ULONG bigBlockDepotCount; - ULONG rootStartBlock; - ULONG smallBlockLimit; - ULONG smallBlockDepotStart; - ULONG extBigBlockDepotStart; - ULONG *extBigBlockDepotLocations; - ULONG extBigBlockDepotLocationsSize; - ULONG extBigBlockDepotCount; - ULONG bigBlockDepotStart[COUNT_BBDEPOTINHEADER]; - ULONG transactionSig; - - ULONG extBlockDepotCached[MAX_BIG_BLOCK_SIZE / 4]; - ULONG indexExtBlockDepotCached; - - ULONG blockDepotCached[MAX_BIG_BLOCK_SIZE / 4]; - ULONG indexBlockDepotCached; - ULONG prevFreeBlock; - - /* All small blocks before this one are known to be in use. */ - ULONG firstFreeSmallBlock; - - /* - * Abstraction of the big block chains for the chains of the header. - */ - BlockChainStream* rootBlockChain; - BlockChainStream* smallBlockDepotChain; - BlockChainStream* smallBlockRootChain; - - /* Cache of block chain streams objects for directory entries */ - BlockChainStream* blockChainCache[BLOCKCHAIN_CACHE_SIZE]; - UINT blockChainToEvict; - - ULONG locks_supported; - - ILockBytes* lockBytes; - - ULONG locked_bytes[8]; -}; - -/**************************************************************************** - * StgStreamImpl definitions. - * - * This class implements the IStream interface and represents a stream - * located inside a storage object. - */ -struct StgStreamImpl -{ - IStream IStream_iface; - LONG ref; - - /* - * We are an entry in the storage object's stream handler list - */ - struct list StrmListEntry; - - /* - * Storage that is the parent(owner) of the stream - */ - StorageBaseImpl* parentStorage; - - /* - * Access mode of this stream. - */ - DWORD grfMode; - - /* - * Index of the directory entry that owns (points to) this stream. - */ - DirRef dirEntry; - - /* - * This is the current position of the cursor in the stream - */ - ULARGE_INTEGER currentPosition; -}; - -static inline StgStreamImpl *impl_from_IStream( IStream *iface ) -{ - return CONTAINING_RECORD(iface, StgStreamImpl, IStream_iface); -} - -/* - * Method definition for the StgStreamImpl class. - */ -StgStreamImpl* StgStreamImpl_Construct( - StorageBaseImpl* parentStorage, - DWORD grfMode, - DirRef dirEntry); - - -/* Range lock constants. - * - * The storage format reserves the region from 0x7fffff00-0x7fffffff for - * locking and synchronization. Because it reserves the entire block containing - * that range, and the minimum block size is 512 bytes, 0x7ffffe00-0x7ffffeff - * also cannot be used for any other purpose. - * Unfortunately, the spec doesn't say which bytes - * within that range are used, and for what. These are guesses based on testing. - * In particular, ends of ranges may be wrong. - - 0x0 through 0x57: Unknown. Causes read-only exclusive opens to fail. - 0x58 through 0x6b: Priority mode. - 0x6c through 0x7f: No snapshot mode. - 0x80: Commit lock. - 0x81 through 0x91: Priority mode, again. Not sure why it uses two regions. - 0x92: Lock-checking lock. Held while opening so ranges can be tested without - causing spurious failures if others try to grab or test those ranges at the - same time. - 0x93 through 0xa6: Read mode. - 0xa7 through 0xba: Write mode. - 0xbb through 0xce: Deny read. - 0xcf through 0xe2: Deny write. - 0xe2 through 0xff: Unknown. Causes read-only exclusive opens to fail. -*/ - -#define RANGELOCK_UNK1_FIRST 0x7ffffe00 -#define RANGELOCK_UNK1_LAST 0x7fffff57 -#define RANGELOCK_PRIORITY1_FIRST 0x7fffff58 -#define RANGELOCK_PRIORITY1_LAST 0x7fffff6b -#define RANGELOCK_NOSNAPSHOT_FIRST 0x7fffff6c -#define RANGELOCK_NOSNAPSHOT_LAST 0x7fffff7f -#define RANGELOCK_COMMIT 0x7fffff80 -#define RANGELOCK_PRIORITY2_FIRST 0x7fffff81 -#define RANGELOCK_PRIORITY2_LAST 0x7fffff91 -#define RANGELOCK_CHECKLOCKS 0x7fffff92 -#define RANGELOCK_READ_FIRST 0x7fffff93 -#define RANGELOCK_READ_LAST 0x7fffffa6 -#define RANGELOCK_WRITE_FIRST 0x7fffffa7 -#define RANGELOCK_WRITE_LAST 0x7fffffba -#define RANGELOCK_DENY_READ_FIRST 0x7fffffbb -#define RANGELOCK_DENY_READ_LAST 0x7fffffce -#define RANGELOCK_DENY_WRITE_FIRST 0x7fffffcf -#define RANGELOCK_DENY_WRITE_LAST 0x7fffffe2 -#define RANGELOCK_UNK2_FIRST 0x7fffffe3 -#define RANGELOCK_UNK2_LAST 0x7fffffff -#define RANGELOCK_TRANSACTION_FIRST RANGELOCK_COMMIT -#define RANGELOCK_TRANSACTION_LAST RANGELOCK_CHECKLOCKS -#define RANGELOCK_FIRST RANGELOCK_UNK1_FIRST -#define RANGELOCK_LAST RANGELOCK_UNK2_LAST - -/* internal value for LockRegion/UnlockRegion */ -#define WINE_LOCK_READ 0x80000000 - - -/****************************************************************************** - * Endian conversion macros - */ -#ifdef WORDS_BIGENDIAN - -#ifndef htole32 -#define htole32(x) RtlUlongByteSwap(x) -#endif -#ifndef htole16 -#define htole16(x) RtlUshortByteSwap(x) -#endif -#define lendian32toh(x) RtlUlongByteSwap(x) -#define lendian16toh(x) RtlUshortByteSwap(x) - -#else - -#ifndef htole32 -#define htole32(x) (x) -#endif -#ifndef htole16 -#define htole16(x) (x) -#endif -#define lendian32toh(x) (x) -#define lendian16toh(x) (x) - -#endif - -/****************************************************************************** - * The StorageUtl_ functions are miscellaneous utility functions. Most of which - * are abstractions used to read values from file buffers without having to - * worry about bit order - */ -void StorageUtl_ReadWord(const BYTE* buffer, ULONG offset, WORD* value); -void StorageUtl_WriteWord(void *buffer, ULONG offset, WORD value); -void StorageUtl_ReadDWord(const BYTE* buffer, ULONG offset, DWORD* value); -void StorageUtl_WriteDWord(void *buffer, ULONG offset, DWORD value); -void StorageUtl_ReadULargeInteger(const BYTE* buffer, ULONG offset, - ULARGE_INTEGER* value); -void StorageUtl_WriteULargeInteger(void *buffer, ULONG offset, const ULARGE_INTEGER *value); -void StorageUtl_ReadGUID(const BYTE* buffer, ULONG offset, GUID* value); -void StorageUtl_WriteGUID(void *buffer, ULONG offset, const GUID* value); -void StorageUtl_CopyDirEntryToSTATSTG(StorageBaseImpl *storage,STATSTG* destination, - const DirEntry* source, int statFlags); - - #endif /* __STORAGE32_H__ */