commit 830526a51292e6241f7b6415e070f3780fe18e1e
author Ulrich Weber <ulrich.weber@sophos.com> Wed Dec 21 02:24:11 2011 +0400
committer Denis Ovsienko <infrastation@yandex.ru> Mon Jan 02 19:50:57 2012 +0400
tree 42cf042cfc95db7be191be0fe538386b78e45c05
parent 65cd7a4a66145cf666df707781c3e46297158c58

lib: fix some strtoul() use cases

...otherwise 4294967295 is not a valid value on 32bit systems

ospfd/ospf_vty.c

diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index 577e417..f68adb2 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -80,8 +80,11 @@
   /* match "<0-4294967295>". */
   else
     {
+      if (*str == '-')
+        return -1;
+      errno = 0;
       ret = strtoul (str, &endptr, 10);
-      if (*endptr != '\0' || (ret == ULONG_MAX && errno == ERANGE))
+      if (*endptr != '\0' || errno || ret > UINT32_MAX)
         return -1;
 
       area_id->s_addr = htonl (ret);