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adelete is supposed to be quiet on valid pointers

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tg 2008-11-12 06:38:08 +00:00
parent 3c07bc66f0
commit 28a0e28b1d
1 changed files with 6 additions and 5 deletions
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11
aalloc.c
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@ -1,6 +1,6 @@
#include "sh.h" #include "sh.h"
__RCSID("$MirOS: src/bin/mksh/aalloc.c,v 1.17 2008/11/12 06:35:27 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/aalloc.c,v 1.18 2008/11/12 06:38:08 tg Exp $");
/* mksh integration of aalloc */ /* mksh integration of aalloc */
@ -121,7 +121,7 @@ static long pagesz;
size += extra; \ size += extra; \
} while (/* CONSTCOND */ 0) } while (/* CONSTCOND */ 0)
static void adelete_leak(PArea, PBlock, const char *); static void adelete_leak(PArea, PBlock, bool, const char *);
static PBlock check_bp(PArea, const char *, TCookie); static PBlock check_bp(PArea, const char *, TCookie);
static TPtr *check_ptr(void *, PArea, PBlock *, const char *, const char *); static TPtr *check_ptr(void *, PArea, PBlock *, const char *, const char *);
@ -279,7 +279,7 @@ track_check(void)
AALLOC_WARN("leaking empty area %p (%p %lu)", ap, AALLOC_WARN("leaking empty area %p (%p %lu)", ap,
bp, (unsigned long)(bp->endp - (char *)bp)); bp, (unsigned long)(bp->endp - (char *)bp));
} else } else
adelete_leak(ap, bp, "at exit"); adelete_leak(ap, bp, true, "at exit");
free(bp); free(bp);
track_next: track_next:
track = (PArea)ap->prev.pv; track = (PArea)ap->prev.pv;
@ -289,7 +289,7 @@ track_check(void)
#endif #endif
static void static void
adelete_leak(PArea ap, PBlock bp, const char *when) adelete_leak(PArea ap, PBlock bp, bool always_warn, const char *when)
{ {
TPtr *cp; TPtr *cp;
@ -297,6 +297,7 @@ adelete_leak(PArea ap, PBlock bp, const char *when)
bp->last -= PVALIGN; bp->last -= PVALIGN;
cp = *((void **)bp->last); cp = *((void **)bp->last);
cp->iv ^= bp->cookie; cp->iv ^= bp->cookie;
if (always_warn || cp->pv != bp->last)
AALLOC_WARN("leaking %s pointer %p in area %p (%p %lu) %s", AALLOC_WARN("leaking %s pointer %p in area %p (%p %lu) %s",
cp->pv == bp->last ? "valid" : "underflown", cp->pv == bp->last ? "valid" : "underflown",
(char *)cp + PVALIGN, ap, bp, (char *)cp + PVALIGN, ap, bp,
@ -316,7 +317,7 @@ adelete(PArea *pap)
/* ignore invalid areas */ /* ignore invalid areas */
if ((bp = check_bp(*pap, "adelete", 0)) != NULL) { if ((bp = check_bp(*pap, "adelete", 0)) != NULL) {
if (bp->last != (char *)&bp->storage) if (bp->last != (char *)&bp->storage)
adelete_leak(*pap, bp, "in adelete"); adelete_leak(*pap, bp, false, "in adelete");
free(bp); free(bp);
} }