[src/trunk]: src/lib/libc/gen off by one.

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

details:   https://anonhg.NetBSD.org/src/rev/17d1423c85e2
branches:  trunk
changeset: 784938:17d1423c85e2
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Feb 14 13:57:53 2013 +0000

description:
off by one.

diffstat:

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

diffs (27 lines):

diff -r e727cfd12637 -r 17d1423c85e2 lib/libc/gen/vis.c
--- a/lib/libc/gen/vis.c        Thu Feb 14 12:44:16 2013 +0000
+++ b/lib/libc/gen/vis.c        Thu Feb 14 13:57:53 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vis.c,v 1.51 2013/02/13 22:19:18 christos Exp $        */
+/*     $NetBSD: vis.c,v 1.52 2013/02/14 13:57:53 christos Exp $        */
 
 /*-
  * Copyright (c) 1989, 1993
@@ -57,7 +57,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: vis.c,v 1.51 2013/02/13 22:19:18 christos Exp $");
+__RCSID("$NetBSD: vis.c,v 1.52 2013/02/14 13:57:53 christos Exp $");
 #endif /* LIBC_SCCS and not lint */
 #ifdef __FBSDID
 __FBSDID("$FreeBSD$");
@@ -313,7 +313,7 @@
        src = psrc;
 
        mbslength = (ssize_t)mblength;
-       while (mbslength > 0) {
+       while (mbslength >= 0) {
                clen = mbtowc(src, mbsrc, MB_LEN_MAX);
                if (clen < 0) {
                        *src = (wint_t)(u_char)*mbsrc;