[libfko] added defensive NULL check for is_valid_ipv4_addr()

2013-12-04 23:11:11 -05:00
parent e0114e60c2
commit 79f0cb8986
1 changed files with 3 additions and 0 deletions
@@ -124,6 +124,9 @@ is_valid_ipv4_addr(const char * const ip_str)
    struct in_addr      in;
 #endif

+    if(ip_str == NULL)
+        return 0;
+
    while(*ndx != '\0')
    {
        char_ctr++;