Subject: winex/libs/ptmalloc3 malloc.c,1.1,1.2Update of /var/lib/cvsd/cvsroot/winex/libs/ptmalloc3
In directory agravaine:/tmp/cvs-serv7209/libs/ptmalloc3
Modified Files:
malloc.c
Log Message:
- add +heapcheck debug channel to be used for behaviour-changing heap checks
- overwrite freed memory with 0x55 if +heapcheck is enabled
Index: malloc.c
===================================================================
RCS file: /var/lib/cvsd/cvsroot/winex/libs/ptmalloc3/malloc.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- malloc.c 30 Mar 2007 18:56:27 -0000 1.1
+++ malloc.c 30 Mar 2007 19:01:59 -0000 1.2
@@ -525,6 +525,7 @@
#include <unistd.h>
WINE_DEFAULT_DEBUG_CHANNEL(heap);
+WINE_DECLARE_DEBUG_CHANNEL(heapcheck);
#endif
#if defined(DARWIN) || defined(_DARWIN)
@@ -5124,6 +5125,10 @@
if (RTCHECK(ok_address(fm, p) && ok_cinuse(p))) {
size_t psize = chunksize(p);
mchunkptr next = chunk_plus_offset(p, psize);
+
+ if (TRACE_ON (heapcheck))
+ memset (mem, 0xaa, psize - overhead_for (p));
+
if (!pinuse(p)) {
size_t prevsize = p->prev_foot;
if ((prevsize & IS_MMAPPED_BIT) != 0) {
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