Fix #2148

Author: yhirose

httplib.h

@@ -10,6 +10,21 @@
 
 #define CPPHTTPLIB_VERSION "0.22.0"
 
+/*
+ * Platform compatibility check
+ */
+
+#if defined(_WIN32) && !defined(_WIN64)
+#error                                                                         \
+    "cpp-httplib doesn't support 32-bit Windows. Please use a 64-bit compiler."
+#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ < 8
+#error                                                                         \
+    "cpp-httplib doesn't support 32-bit platforms. Please use a 64-bit compiler."
+#elif defined(__SIZEOF_SIZE_T__) && __SIZEOF_SIZE_T__ < 8
+#error                                                                         \
+    "cpp-httplib doesn't support platforms where size_t is less than 64 bits."
+#endif
+
 /*
  * Configuration
  */
@@ -7731,7 +7746,7 @@ inline void Server::apply_ranges(const Request &req, Response &res,
 
     if (type != detail::EncodingType::None) {
       if (pre_compression_logger_) { pre_compression_logger_(req, res); }
-      
+
       std::unique_ptr<detail::compressor> compressor;
       std::string content_encoding;