[PATCH 1/3] gdi32: Rename the struct representing an embedded EMF in a WMF.
Huw Davies
huw at codeweavers.com
Wed Jun 8 05:00:45 CDT 2016
Also, use an array rather than a pointer to represent the start of the data.
Signed-off-by: Huw Davies <huw at codeweavers.com>
---
dlls/gdi32/metafile.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/dlls/gdi32/metafile.c b/dlls/gdi32/metafile.c
index 0cb36af..925d648 100644
--- a/dlls/gdi32/metafile.c
+++ b/dlls/gdi32/metafile.c
@@ -1128,8 +1128,8 @@ typedef struct
DWORD chunk_size;
DWORD remaining_size;
DWORD emf_size;
- BYTE *emf_data;
-} mf_comment_chunk;
+ BYTE emf_data[1];
+} emf_in_wmf_comment;
#include <poppack.h>
static const DWORD wmfc_magic = 0x43464d57;
@@ -1146,7 +1146,7 @@ static BOOL add_mf_comment(HDC hdc, HENHMETAFILE emf)
{
DWORD size = GetEnhMetaFileBits(emf, 0, NULL), i;
BYTE *bits, *chunk_data;
- mf_comment_chunk *chunk = NULL;
+ emf_in_wmf_comment *chunk = NULL;
BOOL ret = FALSE;
static const DWORD max_chunk_size = 0x2000;
@@ -1155,7 +1155,7 @@ static BOOL add_mf_comment(HDC hdc, HENHMETAFILE emf)
if(!bits) return FALSE;
if(!GetEnhMetaFileBits(emf, size, bits)) goto end;
- chunk = HeapAlloc(GetProcessHeap(), 0, max_chunk_size + FIELD_OFFSET(mf_comment_chunk, emf_data));
+ chunk = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(emf_in_wmf_comment, emf_data[max_chunk_size]));
if(!chunk) goto end;
chunk->magic = wmfc_magic;
@@ -1176,10 +1176,10 @@ static BOOL add_mf_comment(HDC hdc, HENHMETAFILE emf)
chunk->chunk_size = chunk->remaining_size;
chunk->remaining_size -= chunk->chunk_size;
- memcpy(&chunk->emf_data, chunk_data, chunk->chunk_size);
+ memcpy(chunk->emf_data, chunk_data, chunk->chunk_size);
chunk_data += chunk->chunk_size;
- if(!Escape(hdc, MFCOMMENT, chunk->chunk_size + FIELD_OFFSET(mf_comment_chunk, emf_data), (char*)chunk, NULL))
+ if(!Escape(hdc, MFCOMMENT, FIELD_OFFSET(emf_in_wmf_comment, emf_data[chunk->chunk_size]), (char*)chunk, NULL))
goto end;
}
ret = TRUE;
--
2.8.2
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