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gdi32: Refuse to load a large .fot file earlier.

This commit is contained in:
Dmitry Timoshkov 2012-04-02 14:40:50 +09:00 committed by Alexandre Julliard
parent b2af51956d
commit 62b9c26bb5
1 changed files with 7 additions and 3 deletions
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10
dlls/gdi32/font.c
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@ -3454,10 +3454,15 @@ static void *map_file( const WCHAR *filename, LARGE_INTEGER *size )
file = CreateFileW( filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
if (file == INVALID_HANDLE_VALUE) return NULL;
GetFileSizeEx( file, size );
if (!GetFileSizeEx( file, size ) || size->u.HighPart)
{
CloseHandle( file );
return NULL;
}
mapping = CreateFileMappingW( file, NULL, PAGE_READONLY, 0, 0, NULL );
CloseHandle( file );
if (mapping == NULL) return NULL;
if (!mapping) return NULL;
ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
CloseHandle( mapping );
@ -3478,7 +3483,6 @@ static WCHAR *get_scalable_filename( const WCHAR *res )
if (!ptr) return NULL;
if (size.u.HighPart) goto fail;
if (size.u.LowPart < sizeof( *dos )) goto fail;
dos = (const IMAGE_DOS_HEADER *)ptr;
if (dos->e_magic != IMAGE_DOS_SIGNATURE) goto fail;