Extend #ifdef CLOBBER_FREED_MEMORY debugging option so that memory

freed wholesale by AllocSetReset() is overwritten too.

diff --git a/src/backend/utils/mmgr/aset.c b/src/backend/utils/mmgr/aset.c
index afc6da38eb4c771e5fa04dd400e4573d4c7d0563..5220ec2d412f3bf16b852a6e0b970943e6daf990 100644 (file)
--- a/src/backend/utils/mmgr/aset.c
+++ b/src/backend/utils/mmgr/aset.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.24 2000/01/31 04:35:53 tgl Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.25 2000/03/08 23:42:58 tgl Exp $
  *
  * NOTE:
  *     This is a new (Feb. 05, 1999) implementation of the allocation set
@@ -173,6 +173,10 @@ AllocSetReset(AllocSet set)
        while (block != NULL)
        {
                next = block->next;
+#ifdef CLOBBER_FREED_MEMORY
+               /* Wipe freed memory for debugging purposes */
+               memset(block, 0x7F, ((char *) block->endptr) - ((char *) block));
+#endif
                free(block);
                block = next;
        }
@@ -419,6 +423,10 @@ AllocSetFree(AllocSet set, AllocPointer pointer)
                        set->blocks = block->next;
                else
                        prevblock->next = block->next;
+#ifdef CLOBBER_FREED_MEMORY
+               /* Wipe freed memory for debugging purposes */
+               memset(block, 0x7F, ((char *) block->endptr) - ((char *) block));
+#endif
                free(block);
        }
        else