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authorStephen Hemminger <shemminger@vyatta.com>2011-12-07 00:09:56 +0400
committerDenis Ovsienko <infrastation@yandex.ru>2011-12-07 01:24:09 +0400
commitd7a083844db63b3dda412c755ce69bf13f41961f (patch)
tree1b3601cff5e6375f95d65b95f28afc0719fd6621 /zebra
parent04d5e24d7425a52f13abcb6d2a30aa6246d837e7 (diff)
zebra: fix warnings in forward proc
Check result of fgets(), and don't set variable that is never used.
Diffstat (limited to 'zebra')
-rw-r--r--zebra/ipforward_proc.c9
1 files changed, 4 insertions, 5 deletions
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;