[src/trunk]: src/lib/libc/gen readlink(2) does not NUL-terminate, use with si...

[provos <provos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/85bf9da2032e
branches:  trunk
changeset: 538413:85bf9da2032e
user:      provos <provos%NetBSD.org@localhost>
date:      Sat Oct 19 18:58:32 2002 +0000

description:
readlink(2) does not NUL-terminate, use with sizeof (buf-1).
from deraadt%openbsd.org@localhost; approved thorpej.

diffstat:

 lib/libc/gen/getcwd.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 937f0d9f23c6 -r 85bf9da2032e lib/libc/gen/getcwd.c
--- a/lib/libc/gen/getcwd.c     Sat Oct 19 18:55:00 2002 +0000
+++ b/lib/libc/gen/getcwd.c     Sat Oct 19 18:58:32 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: getcwd.c,v 1.25 2002/04/16 19:08:43 groo Exp $ */
+/*     $NetBSD: getcwd.c,v 1.26 2002/10/19 18:58:32 provos 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 1.25 2002/04/16 19:08:43 groo Exp $");
+__RCSID("$NetBSD: getcwd.c,v 1.26 2002/10/19 18:58:32 provos Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -134,7 +134,7 @@
                                errno = ELOOP;
                                goto err1;
                        }
-                       n = readlink(p, resolved, MAXPATHLEN);
+                       n = readlink(p, resolved, MAXPATHLEN-1);
                        if (n < 0)
                                goto err1;
                        resolved[n] = '\0';