network: re-implement parse_vid_range()

src/shared/vlan-util.c

@@ -22,6 +22,22 @@ int parse_vlanid(const char *p, uint16_t *ret) {
         return 0;
 }
 
+int parse_vid_range(const char *p, uint16_t *vid, uint16_t *vid_end) {
+        unsigned lower, upper;
+        int r;
+
+        r = parse_range(p, &lower, &upper);
+        if (r < 0)
+                return r;
+
+        if (lower > VLANID_MAX || upper > VLANID_MAX || lower > upper)
+                return -EINVAL;
+
+        *vid = lower;
+        *vid_end = upper;
+        return 0;
+}
+
 int config_parse_default_port_vlanid(
                 const char *unit,
                 const char *filename,

src/shared/vlan-util.h

@@ -15,6 +15,7 @@ static inline bool vlanid_is_valid(uint16_t id) {
 }
 
 int parse_vlanid(const char *p, uint16_t *ret);
+int parse_vid_range(const char *p, uint16_t *vid, uint16_t *vid_end);
 
 CONFIG_PARSER_PROTOTYPE(config_parse_default_port_vlanid);
 CONFIG_PARSER_PROTOTYPE(config_parse_vlanid);