check_login_form_submission() factored in separate function

examples/cookie_authentication/cookie_auth.c

@@ -40,12 +40,9 @@ static int check_auth(struct mg_connection *conn) {
   return MG_FALSE;
 }
 
-static int serve_request(struct mg_connection *conn) {
+static int check_login_form_submission(struct mg_connection *conn) {
   char name[100], password[100], ssid[100], expire[100], expire_epoch[100];
 
-  // Always authorize requests to login page
-  if (strcmp(conn->uri, s_login_uri) == 0 &&
-      strcmp(conn->request_method, "POST") == 0) {
   mg_get_var(conn, "name", name, sizeof(name));
   mg_get_var(conn, "password", password, sizeof(password));
 
@@ -65,11 +62,17 @@ static int serve_request(struct mg_connection *conn) {
               ssid, expire);
     return MG_TRUE;
   }
-  }
-
   return MG_FALSE;
 }
 
+static int serve_request(struct mg_connection *conn) {
+  if (strcmp(conn->uri, s_login_uri) == 0 &&
+      strcmp(conn->request_method, "POST") == 0) {
+    return check_login_form_submission(conn);
+  }
+  return MG_FALSE;  // Serve files in the document_root
+}
+
 static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
   switch (ev) {
     case MG_AUTH: return check_auth(conn);