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Off by one and clarity improvement from Christian Biere

This commit is contained in:
christos 2011-12-26 00:20:43 +00:00
parent 2ebaa9112a
commit 76898fae15
1 changed files with 4 additions and 4 deletions
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8
sbin/route/route.c
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@ -1,4 +1,4 @@
/* $NetBSD: route.c,v 1.135 2011/12/24 23:48:17 christos Exp $ */
/* $NetBSD: route.c,v 1.136 2011/12/26 00:20:43 christos Exp $ */
/*
* Copyright (c) 1983, 1989, 1991, 1993
@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1989, 1991, 1993\
#if 0
static char sccsid[] = "@(#)route.c 8.6 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: route.c,v 1.135 2011/12/24 23:48:17 christos Exp $");
__RCSID("$NetBSD: route.c,v 1.136 2011/12/26 00:20:43 christos Exp $");
#endif
#endif /* not lint */
@ -598,7 +598,7 @@ routename(const struct sockaddr *sa, struct sockaddr *nm, int flags)
ms.s_addr = ntohl(ms.s_addr);
len = snprintf(line, sizeof(line), "%u", ms.shim.label);
if (len > sizeof(line))
if (len >= sizeof(line))
errx(1, "snprintf");
pms = &((const struct sockaddr_mpls*)sa)->smpls_addr;
while (psize < sa->sa_len) {
@ -607,7 +607,7 @@ routename(const struct sockaddr *sa, struct sockaddr *nm, int flags)
ms.s_addr = ntohl(pms->s_addr);
alen = snprintf(line + len, sizeof(line) - len, " %u",
ms.shim.label);
if (alen + len > sizeof(line))
if (alen >= sizeof(line) - len)
errx(1, "snprintf");
len += alen;
psize += sizeof(ms);