Module: wine
Branch: master
Commit: 7f3211f3831368b9639321a66e748b563b233e84
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7f3211f3831368b9639321a66…
Author: Vincent Povirk <vincent(a)codeweavers.com>
Date: Wed Mar 10 13:49:04 2010 -0600
ole32: Don't treat the header as a big block in StorageImpl_LoadFileHeader.
The header is always 512 bytes, regardless of the big block size.
---
dlls/ole32/storage32.c | 17 +++++++++++------
dlls/ole32/storage32.h | 2 ++
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c
index f1a98e1..0d07aed 100644
--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -3290,26 +3290,31 @@ static void StorageImpl_SetNextBlockInChain(
/******************************************************************************
* Storage32Impl_LoadFileHeader
*
- * This method will read in the file header, i.e. big block index -1.
+ * This method will read in the file header
*/
static HRESULT StorageImpl_LoadFileHeader(
StorageImpl* This)
{
- HRESULT hr = STG_E_FILENOTFOUND;
- BYTE headerBigBlock[BIG_BLOCK_SIZE];
- BOOL success;
+ 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.
*/
- success = StorageImpl_ReadBigBlock(This, -1, headerBigBlock);
+ offset.u.HighPart = 0;
+ offset.u.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 (success)
+ if (SUCCEEDED(hr))
{
/*
* Check for the "magic number" signature and return an error if it is not
diff --git a/dlls/ole32/storage32.h b/dlls/ole32/storage32.h
index 03328b2..b1c835b 100644
--- a/dlls/ole32/storage32.h
+++ b/dlls/ole32/storage32.h
@@ -79,6 +79,8 @@ static const ULONG DIRENTRY_NULL = 0xFFFFFFFF;
#define RAW_DIRENTRY_SIZE 0x00000080
+#define HEADER_SIZE 512
+
/*
* Type of child entry link
*/