Add mg_print_mac()

src/util.c

@@ -87,6 +87,31 @@ int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip) {
   return allowed == '+';
 }
 
+size_t mg_print_ip(void (*out)(char, void *), void *arg, va_list *ap) {
+  struct mg_addr *addr = va_arg(*ap, struct mg_addr *);
+  if (addr->is_ip6) {
+    uint16_t *p = (uint16_t *) addr->ip6;
+    return mg_xprintf(out, arg, "[%x:%x:%x:%x:%x:%x:%x:%x]", mg_ntohs(p[0]),
+                      mg_ntohs(p[1]), mg_ntohs(p[2]), mg_ntohs(p[3]),
+                      mg_ntohs(p[4]), mg_ntohs(p[5]), mg_ntohs(p[6]),
+                      mg_ntohs(p[7]));
+  } else {
+    uint8_t *p = (uint8_t *) &addr->ip;
+    return mg_xprintf(out, arg, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
+  }
+}
+
+size_t mg_print_ip_port(void (*out)(char, void *), void *arg, va_list *ap) {
+  struct mg_addr *a = va_arg(*ap, struct mg_addr *);
+  return mg_xprintf(out, arg, "%M:%hu", mg_print_ip, a, mg_ntohs(a->port));
+}
+
+size_t mg_print_mac(void (*out)(char, void *), void *arg, va_list *ap) {
+  uint8_t *p = va_arg(*ap, uint8_t *);
+  return mg_xprintf(out, arg, "%02x:%02x:%02x:%02x:%02x:%02x", p[0], p[1], p[2],
+                    p[3], p[4], p[5]);
+}
+
 #if MG_ENABLE_CUSTOM_MILLIS
 #else
 uint64_t mg_millis(void) {