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unbreak with dietlibc, whose <stdint.h> has no SIZE_MAX, defying SUSv3

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This commit is contained in:
tg 2009-03-23 09:08:35 +00:00
parent 0d254e4088
commit 004b3b1e08
1 changed files with 11 additions and 6 deletions
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17
lalloc.c
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@ -1,6 +1,6 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lalloc.c,v 1.1 2009/03/22 16:55:38 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lalloc.c,v 1.2 2009/03/23 09:08:35 tg Exp $");
struct lalloc {
struct lalloc *next; /* entry pointer, must be first */
@ -33,10 +33,10 @@ aresize(void *ptr, size_t numb, Area *ap)
{
struct lalloc *lp, *pp;
#ifdef SIZE_MAX
if (numb >= SIZE_MAX - sizeof (struct lalloc))
failure:
internal_errorf("cannot allocate %lu data bytes",
(unsigned long)numb);
goto failure;
#endif
if (ptr == NULL) {
pp = (struct lalloc *)ap;
@ -45,8 +45,13 @@ aresize(void *ptr, size_t numb, Area *ap)
findptr(&lp, &pp, ptr, ap);
lp = realloc(lp, numb + sizeof (struct lalloc));
}
if (lp == NULL)
goto failure;
if (lp == NULL) {
#ifdef SIZE_MAX
failure:
#endif
internal_errorf("cannot allocate %lu data bytes",
(unsigned long)numb);
}
if (ptr == NULL) {
lp->group = ap;
lp->next = ap->ent;