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Fix off-by-one error. (This was detected using libefence)

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This commit is contained in:
hubertf 1999-04-10 02:17:21 +00:00
parent a8d683c525
commit c7cd57bc07
1 changed files with 5 additions and 5 deletions
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10
usr.sbin/pkg_install/lib/str.c
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@ -1,11 +1,11 @@
/* $NetBSD: str.c,v 1.14 1999/03/22 05:02:41 hubertf Exp $ */
/* $NetBSD: str.c,v 1.15 1999/04/10 02:17:21 hubertf Exp $ */
#include <sys/cdefs.h>
#ifndef lint
#if 0
static const char *rcsid = "Id: str.c,v 1.5 1997/10/08 07:48:21 charnier Exp";
#else
__RCSID("$NetBSD: str.c,v 1.14 1999/03/22 05:02:41 hubertf Exp $");
__RCSID("$NetBSD: str.c,v 1.15 1999/04/10 02:17:21 hubertf Exp $");
#endif
#endif
@ -50,15 +50,15 @@ dirname_of(const char *path)
char *s;
char *t;
if ((s = strrchr(path, '/')) == (char *) NULL) {
if ((s = strrchr(path, '/')) == NULL) {
return ".";
}
if (s == path) {
/* "/foo" -> return "/" */
return "/";
}
cc = (size_t)(s - path) + 1;
if ((t = (char *) malloc(cc)) == (char *) NULL) {
cc = (size_t)(s - path);
if ((t = (char *) malloc(cc+1)) == (char *) NULL) {
errx(1, "out of memory in dirname_of");
}
(void) memcpy(t, path, cc);