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Commit6513946

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Extend #ifdef CLOBBER_FREED_MEMORY debugging option so that memory
freed wholesale by AllocSetReset() is overwritten too.
1 parent84a89e2 commit6513946

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1 file changed

+9
-1
lines changed

1 file changed

+9
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lines changed

‎src/backend/utils/mmgr/aset.c

Lines changed: 9 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
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* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.24 2000/01/31 04:35:53 tgl Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.25 2000/03/08 23:42:58 tgl Exp $
1212
*
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* NOTE:
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*This is a new (Feb. 05, 1999) implementation of the allocation set
@@ -173,6 +173,10 @@ AllocSetReset(AllocSet set)
173173
while (block!=NULL)
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{
175175
next=block->next;
176+
#ifdefCLOBBER_FREED_MEMORY
177+
/* Wipe freed memory for debugging purposes */
178+
memset(block,0x7F, ((char*)block->endptr)- ((char*)block));
179+
#endif
176180
free(block);
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block=next;
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}
@@ -419,6 +423,10 @@ AllocSetFree(AllocSet set, AllocPointer pointer)
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set->blocks=block->next;
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else
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prevblock->next=block->next;
426+
#ifdefCLOBBER_FREED_MEMORY
427+
/* Wipe freed memory for debugging purposes */
428+
memset(block,0x7F, ((char*)block->endptr)- ((char*)block));
429+
#endif
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free(block);
423431
}
424432
else

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