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fix up the fuckage in afree()

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tg 2008-11-12 06:35:27 +00:00
parent c6bcbc7bb0
commit 3c07bc66f0
1 changed files with 3 additions and 3 deletions
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6
aalloc.c
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@ -1,6 +1,6 @@
#include "sh.h" #include "sh.h"
__RCSID("$MirOS: src/bin/mksh/aalloc.c,v 1.16 2008/11/12 06:14:26 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/aalloc.c,v 1.17 2008/11/12 06:35:27 tg Exp $");
/* mksh integration of aalloc */ /* mksh integration of aalloc */
@ -492,9 +492,9 @@ afree(void *vp, PArea ap)
bp->last -= PVALIGN; /* mark the last forward pointer as free */ bp->last -= PVALIGN; /* mark the last forward pointer as free */
/* if our forward pointer was not the last one, relocate the latter */ /* if our forward pointer was not the last one, relocate the latter */
if (ptr->pv < bp->last) { if (ptr->pv < bp->last) {
TPtr *tmp; TPtr *tmp = *((TPtr **)bp->last);
tmp = (TPtr *)bp->last; /* former last forward pointer */ /* tmp is the former last forward pointer */
tmp->pv = ptr->pv; /* its backpointer to former our … */ tmp->pv = ptr->pv; /* its backpointer to former our … */
tmp->iv ^= bp->cookie; /* … forward pointer, and cookie it */ tmp->iv ^= bp->cookie; /* … forward pointer, and cookie it */