Fix #731

README.md

@@ -365,6 +365,27 @@ httplib::Client cli("http://localhost:8080");
 httplib::Client cli("https://localhost");
 ```
 
+### Error code
+
+Here is the list of errors from `Result::error()`.
+
+```c++
+enum Error {
+  Success = 0,
+  Unknown,
+  Connection,
+  BindIPAddress,
+  Read,
+  Write,
+  ExceedRedirectCount,
+  Canceled,
+  SSLConnection,
+  SSLLoadingCerts,
+  SSLServerVerification,
+  UnsupportedMultipartBoundaryChars
+};
+```
+
 ### GET with HTTP headers
 
 ```c++

httplib.h

@@ -745,8 +745,11 @@ public:
   bool operator==(std::nullptr_t) const { return res_ == nullptr; }
   bool operator!=(std::nullptr_t) const { return res_ != nullptr; }
   const Response &value() const { return *res_; }
+  Response &value() { return *res_; }
   const Response &operator*() const { return *res_; }
+  Response &operator*() { return *res_; }
   const Response *operator->() const { return res_.get(); }
+  Response *operator->() { return res_.get(); }
   Error error() const { return err_; }
 
 private:
@@ -4735,7 +4738,7 @@ inline bool ClientImpl::read_response_line(Stream &strm, Response &res) {
   const static std::regex re("(HTTP/1\\.[01]) (\\d+) (.*?)\r\n");
 
   std::cmatch m;
-  if (!std::regex_match(line_reader.ptr(), m, re)) { return false; }
+  if (!std::regex_match(line_reader.ptr(), m, re)) { return true; }
   res.version = std::string(m[1]);
   res.status = std::stoi(std::string(m[2]));
   res.reason = std::string(m[3]);