network: add SuppressPrefixLength option to RoutingPolicyRule (#14736)

Closes #14724.
2020-02-03 08:25:48 +09:00
parent e06d7d0fb0
commit 53e1ba280f
9 changed files with 337 additions and 230 deletions
@@ -698,6 +698,22 @@ int parse_ip_port_range(const char *s, uint16_t *low, uint16_t *high) {
        return 0;
 }

+int parse_ip_prefix_length(const char *s, int *ret) {
+        unsigned l;
+        int r;
+
+        r = safe_atou(s, &l);
+        if (r < 0)
+                return r;
+
+        if (l > 128)
+                return -ERANGE;
+
+        *ret = (int) l;
+
+        return 0;
+}
+
 int parse_dev(const char *s, dev_t *ret) {
        const char *major;
        unsigned x, y;