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GUAC-1095: Free any existing bitmap data prior to overwriting the bitmap data pointer.

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This commit is contained in:
Michael Jumper 2015-02-23 20:24:28 -08:00
parent b1d6788292
commit 001b8188e8
1 changed files with 9 additions and 0 deletions
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9
src/protocols/rdp/rdp_bitmap.c
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@ -201,8 +201,17 @@ void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* d
int size = width * height * 4; int size = width * height * 4;
#ifdef FREERDP_BITMAP_REQUIRES_ALIGNED_MALLOC #ifdef FREERDP_BITMAP_REQUIRES_ALIGNED_MALLOC
/* Free pre-existing data, if any (might be reused) */
if (bitmap->data != NULL)
_aligned_free(bitmap->data);
/* Allocate new data */
bitmap->data = (UINT8*) _aligned_malloc(size, 16); bitmap->data = (UINT8*) _aligned_malloc(size, 16);
#else #else
/* Free pre-existing data, if any (might be reused) */
free(bitmap->data);
/* Allocate new data */
bitmap->data = (UINT8*) malloc(size); bitmap->data = (UINT8*) malloc(size);
#endif #endif