fix curl requirement

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 include(cmake/color.cmake)
-set(BLT_VERSION 5.3.3)
+set(BLT_VERSION 5.3.4)
 
 set(BLT_TARGET BLT)
 

src/blt/std/requests.cpp

@@ -75,7 +75,8 @@ namespace blt::requests
         return curl_easy_init_obj.curl;
     }
 
-		size_t write_to_string_func(const void* data, const size_t size, const size_t nmemb, void* user_data) {
+    size_t write_to_string_func(const void* data, const size_t size, const size_t nmemb, void* user_data)
+    {
         auto& str = *static_cast<std::string*>(user_data);
         str.append(static_cast<const char*>(data), size * nmemb);
         return size * nmemb;
@@ -95,6 +96,7 @@ namespace blt::requests
 		free(str);
 		return str_obj;
 #else
+#ifdef BLT_HAS_CURL
         init();
         auto curl = easy_init();
         if (!curl)
@@ -111,6 +113,9 @@ namespace blt::requests
             throw std::runtime_error(curl_easy_strerror(res));
 
         return response_string;
+#else
+        return "Missing cURL! Unable to fetch URL: '" + url + "'";
+#endif
 #endif
     }
 }