0 is not a valid CIDR

diff --git a/net.c b/net.c
index f624a5f82f337c9630a2e47fec3f45e9a7bc3a68..b6d1f6bfd0e2c81230b986c4b59a1267c936d283 100644 (file)
--- a/net.c
+++ b/net.c
@@ -80,7 +80,7 @@ inet_cidrtoaddr(int cidr, struct in_addr *addr)
 {
        int ocets;
 
-       if (cidr < 0 || cidr > 32) {
+       if (cidr < 1 || cidr > 32) {
                errno = EINVAL;
                return -1;
        }