Fix localhost resolution

mongoose.c

@@ -1973,7 +1973,7 @@ char *mg_ntoa(const struct mg_addr *addr, char *buf, size_t len) {
 }
 
 static bool mg_atonl(struct mg_str str, struct mg_addr *addr) {
-  if (mg_casecmp(str.ptr, "localhost") != 0) return false;
+  if (mg_vcasecmp(&str, "localhost") != 0) return false;
   addr->ip = mg_htonl(0x7f000001);
   addr->is_ip6 = false;
   return true;

mongoose.h

@@ -582,6 +582,7 @@ enum {
 
 
 
+
 struct mg_dns {
   const char *url;          // DNS server URL
   struct mg_connection *c;  // DNS server connection

src/net.c

@@ -43,7 +43,7 @@ char *mg_ntoa(const struct mg_addr *addr, char *buf, size_t len) {
 }
 
 static bool mg_atonl(struct mg_str str, struct mg_addr *addr) {
-  if (mg_casecmp(str.ptr, "localhost") != 0) return false;
+  if (mg_vcasecmp(&str, "localhost") != 0) return false;
   addr->ip = mg_htonl(0x7f000001);
   addr->is_ip6 = false;
   return true;

src/net.h

@@ -3,6 +3,7 @@
 #include "arch.h"
 #include "event.h"
 #include "iobuf.h"
+#include "str.h"
 
 struct mg_dns {
   const char *url;          // DNS server URL

test/unit_test.c

@@ -374,8 +374,8 @@ static void test_ws(void) {
   int i, done = 0;
 
   mg_mgr_init(&mgr);
-  mg_http_listen(&mgr, "http://127.0.0.1:12345", eh1, NULL);
-  mg_ws_connect(&mgr, "ws://127.0.0.1:12345/ws", wcb, &done, "%s", "");
+  ASSERT(mg_http_listen(&mgr, "ws://LOCALHOST:12345", eh1, NULL) != NULL);
+  mg_ws_connect(&mgr, "ws://localhost:12345/ws", wcb, &done, "%s", "");
   for (i = 0; i < 20; i++) mg_mgr_poll(&mgr, 1);
   ASSERT(done == 2);