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PR/50711: David Binderman: Fix memory leak on error

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This commit is contained in:
christos 2016-01-26 16:05:18 +00:00
parent d066f94a02
commit 3d64af45d4
1 changed files with 5 additions and 3 deletions
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8
lib/libcompat/regexp/regexp.c
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@ -35,7 +35,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: regexp.c,v 1.18 2007/02/16 16:34:19 freza Exp $");
__RCSID("$NetBSD: regexp.c,v 1.19 2016/01/26 16:05:18 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include <ctype.h>
@ -236,7 +236,7 @@ const char *expn;
FAIL("regexp too big");
/* Allocate space. */
r = (regexp *)malloc(sizeof(regexp) + (unsigned)regsize);
r = malloc(sizeof(regexp) + (unsigned)regsize);
if (r == NULL)
FAIL("out of space");
@ -246,8 +246,10 @@ const char *expn;
regnpar = 1;
regcode = r->program;
regc(MAGIC);
if (reg(0, &flags) == NULL)
if (reg(0, &flags) == NULL) {
free(r);
return(NULL);
}
/* Dig out information for optimizations. */
r->regstart = '\0'; /* Worst-case defaults. */