Fabian Maurer : coml2: Move StgIsStorageILockBytes from ole32.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: eab7899eb56e5d93a7a73f5f9c3f6ee5ed1b63e7
URL:    https://gitlab.winehq.org/wine/wine/-/commit/eab7899eb56e5d93a7a73f5f9c3f6ee...

Author: Fabian Maurer 
Date:   Sun Dec  3 23:15:08 2023 +0100

coml2: Move StgIsStorageILockBytes from ole32.

---

dlls/coml2/coml2.spec  |  2 +-
 dlls/coml2/storage32.c | 22 ++++++++++++++++++++++
 dlls/ole32/storage32.c | 22 ----------------------
 3 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/dlls/coml2/coml2.spec b/dlls/coml2/coml2.spec
index 9f20fdd525b..d6b24669f22 100644
--- a/dlls/coml2/coml2.spec
+++ b/dlls/coml2/coml2.spec
@@ -23,7 +23,7 @@
 @ stub StgCreatePropStg
 @ stub StgCreateStorageEx
 @ stub StgIsStorageFile
-@ stub StgIsStorageILockBytes
+@ stdcall StgIsStorageILockBytes(ptr)
 @ stub StgOpenPropStg
 @ stub StgOpenStorage
 @ stub StgOpenStorageEx
diff --git a/dlls/coml2/storage32.c b/dlls/coml2/storage32.c
index 8ce9f68524f..873e9fea0e1 100644
--- a/dlls/coml2/storage32.c
+++ b/dlls/coml2/storage32.c
@@ -50,6 +50,8 @@

WINE_DEFAULT_DEBUG_CHANNEL(storage);

+static const BYTE STORAGE_magic[8]    ={0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1};
+
 /***********************************************************************
  *              WriteClassStg        [coml2.@]
  */
@@ -162,3 +164,23 @@ HRESULT WINAPI GetConvertStg(IStorage *stg)

return header[1] & OleStream_Convert ? S_OK : S_FALSE;
 }
+
+/******************************************************************************
+ *              StgIsStorageILockBytes        [coml2.@]
+ */
+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;
+}
diff --git a/dlls/ole32/storage32.c b/dlls/ole32/storage32.c
index 3335186ff90..496159773a3 100644
--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -9004,28 +9004,6 @@ HRESULT WINAPI StgSetTimes(OLECHAR const *str, FILETIME const *pctime,
   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;
-}
-
 /***********************************************************************
  *    OleLoadFromStream (OLE32.@)
  *