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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.
This commit is contained in:
Vincent Povirk 2010-03-10 13:49:04 -06:00 committed by Alexandre Julliard
parent 671136693b
commit 7f3211f383
2 changed files with 13 additions and 6 deletions
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17
dlls/ole32/storage32.c
View File

@ -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

2
dlls/ole32/storage32.h
View File

@ -79,6 +79,8 @@ static const ULONG DIRENTRY_NULL = 0xFFFFFFFF;
#define RAW_DIRENTRY_SIZE 0x00000080
#define HEADER_SIZE 512
/*
* Type of child entry link
*/