Read response when client closes connection #1232 (#1233)

* Read response when client closes connection #1232

* Fix edge case were client responds with invalid header

* Follow linter suggestions for tests

* Changes after review

* Reafactor error check after review

* Handle connection reset on windows

* Remove format string from test where not needed

* Run connection reset tests not on Windows

1 files changed, 13 insertions, 0 deletions

diff --git a/tcp_windows.go b/tcp_windows.go
new file mode 100644
index 0000000..5c33025
--- /dev/null
+++ b/tcp_windows.go
@@ -0,0 +1,13 @@
+//go:build windows
+// +build windows
+
+package fasthttp
+
+import (
+	"errors"
+	"syscall"
+)
+
+func isConnectionReset(err error) bool {
+	return errors.Is(err, syscall.WSAECONNRESET)
+}