]> git.meshlink.io Git - meshlink/commitdiff
Check the return value of fscanf() when reading a PID file.
authorGuus Sliepen <guus@tinc-vpn.org>
Tue, 8 Sep 2009 16:18:16 +0000 (18:18 +0200)
committerGuus Sliepen <guus@tinc-vpn.org>
Tue, 8 Sep 2009 16:18:16 +0000 (18:18 +0200)
lib/pidfile.c

index 426cbf392c10d903add23a1ae130fd9e4b96bfb7..dd6788a6539fea41ed1ce2790ab3446d795f5055 100644 (file)
 pid_t read_pid (char *pidfile)
 {
   FILE *f;
-  long pid = 0;
+  long pid;
 
   if (!(f=fopen(pidfile,"r")))
     return 0;
-  fscanf(f,"%ld", &pid);
+  if(fscanf(f,"%ld", &pid) != 1)
+    pid = 0;
   fclose(f);
   return pid;
 }