Changeset 32722

Timestamp:

Nov 19, 2011, 1:12:52 AM (15 years ago)

Author:

eugene

Message:

stomp on memory before freeing (to poison accidental reuse)

File:

• trunk/psLib/src/sys/psMemory.c (modified) (1 diff)

trunk/psLib/src/sys/psMemory.c

@@ -1208 +1208 @@
     #endif
 
+# if (PS_TRACE_ON)    
+    // before freeing a particular block of memory, fill the entire block with FF to poison it
+    // this should trigger any bad reactions early.  this may be costly, so on do it for
+    // unoptimzed builds
+    size_t totalSize = sizeof(psMemBlock) + memBlock->userMemorySize + sizeof(void *);
+    memset ((void *) memBlock, 0xff, totalSize);
+# endif
+
     free(memBlock);