Dmitry Timoshkov : windowscodecs: Simplify the buffer size check in copy_pixels() helper.
Alexandre Julliard
julliard at winehq.org
Thu Jan 10 13:27:09 CST 2019
Module: wine
Branch: master
Commit: 3887c04f4322a3611cb02be778f001ee59380deb
URL: https://source.winehq.org/git/wine.git/?a=commit;h=3887c04f4322a3611cb02be778f001ee59380deb
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Wed Jan 9 14:51:18 2019 +0800
windowscodecs: Simplify the buffer size check in copy_pixels() helper.
Signed-off-by: Dmitry Timoshkov <dmitry at baikal.ru>
Signed-off-by: Vincent Povirk <vincent at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/windowscodecs/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/windowscodecs/main.c b/dlls/windowscodecs/main.c
index 7650c75..7828151 100644
--- a/dlls/windowscodecs/main.c
+++ b/dlls/windowscodecs/main.c
@@ -82,7 +82,7 @@ HRESULT copy_pixels(UINT bpp, const BYTE *srcbuffer,
if (dststride < bytesperrow)
return E_INVALIDARG;
- if ((dststride * (rc->Height-1)) + ((rc->Width * bpp) + 7)/8 > dstbuffersize)
+ if ((dststride * (rc->Height-1)) + bytesperrow > dstbuffersize)
return E_INVALIDARG;
/* if the whole bitmap is copied and the buffer format matches then it's a matter of a single memcpy */
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