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fix off-by-one error in realpath()

This commit is contained in:
itojun 2003-08-03 04:12:01 +00:00
parent ec3e43edf4
commit d6220d9ca5
1 changed files with 4 additions and 3 deletions
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7
lib/libc/gen/getcwd.c
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@ -1,4 +1,4 @@
/* $NetBSD: getcwd.c,v 1.28 2002/11/17 20:49:33 itojun Exp $ */
/* $NetBSD: getcwd.c,v 1.29 2003/08/03 04:12:01 itojun Exp $ */
/*
* Copyright (c) 1989, 1991, 1993, 1995
@ -41,7 +41,7 @@
#if 0
static char sccsid[] = "@(#)getcwd.c 8.5 (Berkeley) 2/7/95";
#else
__RCSID("$NetBSD: getcwd.c,v 1.28 2002/11/17 20:49:33 itojun Exp $");
__RCSID("$NetBSD: getcwd.c,v 1.29 2003/08/03 04:12:01 itojun Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -169,7 +169,8 @@ loop:
rootd = 0;
if (*wbuf) {
if (strlen(resolved) + strlen(wbuf) + rootd + 1 > MAXPATHLEN) {
if (strlen(resolved) + strlen(wbuf) + (rootd ? 0 : 1) + 1 >
MAXPATHLEN) {
errno = ENAMETOOLONG;
goto err1;
}