From d7a083844db63b3dda412c755ce69bf13f41961f Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 7 Dec 2011 00:09:56 +0400 Subject: zebra: fix warnings in forward proc Check result of fgets(), and don't set variable that is never used. --- zebra/ipforward_proc.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'zebra/ipforward_proc.c') diff --git a/zebra/ipforward_proc.c b/zebra/ipforward_proc.c index 73846137..2876eded 100644 --- a/zebra/ipforward_proc.c +++ b/zebra/ipforward_proc.c @@ -45,7 +45,6 @@ ipforward (void) { FILE *fp; int ipforwarding = 0; - char *pnt; char buf[10]; fp = fopen (proc_net_snmp, "r"); @@ -59,8 +58,8 @@ ipforward (void) /* Get ip_statistics.IpForwarding : 1 => ip forwarding enabled 2 => ip forwarding off. */ - pnt = fgets (buf, 6, fp); - sscanf (buf, "Ip: %d", &ipforwarding); + if (fgets (buf, 6, fp)) + sscanf (buf, "Ip: %d", &ipforwarding); fclose(fp); @@ -140,8 +139,8 @@ ipforward_ipv6 (void) if (fp == NULL) return -1; - fgets (buf, 2, fp); - sscanf (buf, "%d", &ipforwarding); + if (fgets (buf, 2, fp)) + sscanf (buf, "%d", &ipforwarding); fclose (fp); return ipforwarding; -- cgit v1.2.1