From 664711c1f4cc218073783ff6ce362093debd7b53 Mon Sep 17 00:00:00 2001 From: Ulrich Weber Date: Wed, 21 Dec 2011 02:24:11 +0400 Subject: lib: fix some strtoul() use cases ...otherwise 4294967295 is not a valid value on 32bit systems --- bgpd/bgp_mplsvpn.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'bgpd/bgp_mplsvpn.c') diff --git a/bgpd/bgp_mplsvpn.c b/bgpd/bgp_mplsvpn.c index 72ad089e..c1f1fbb3 100644 --- a/bgpd/bgp_mplsvpn.c +++ b/bgpd/bgp_mplsvpn.c @@ -233,9 +233,13 @@ str2tag (const char *str, u_char *tag) char *endptr; u_int32_t t; - l = strtoul (str, &endptr, 10); + if (*str == '-') + return 0; - if (*endptr == '\0' || l == ULONG_MAX || l > UINT32_MAX) + errno = 0; + l = strtoul (str, &endptr, 10); + + if (*endptr != '\0' || errno || l > UINT32_MAX) return 0; t = (u_int32_t) l; -- cgit v1.2.1