From c9a46a1e7c34ec07a1ffd66147e654d85ac94e36 Mon Sep 17 00:00:00 2001
From: Felix Kollmann <fk@konsorten.de>
Date: Tue, 3 Apr 2018 04:40:58 +0200
Subject: [PATCH] Added terminal check on Windows

---
 terminal_check_notappengine.go |  2 +-
 terminal_check_windows.go      | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 terminal_check_windows.go

diff --git a/terminal_check_notappengine.go b/terminal_check_notappengine.go
index 067047a..e5a5186 100644
--- a/terminal_check_notappengine.go
+++ b/terminal_check_notappengine.go
@@ -1,4 +1,4 @@
-// +build !appengine,!gopherjs
+// +build !appengine,!gopherjs,!windows
 
 package logrus
 
diff --git a/terminal_check_windows.go b/terminal_check_windows.go
new file mode 100644
index 0000000..17ebe80
--- /dev/null
+++ b/terminal_check_windows.go
@@ -0,0 +1,20 @@
+// +build !appengine,!gopherjs,windows
+
+package logrus
+
+import (
+	"io"
+	"os"
+	"syscall"
+)
+
+func checkIfTerminal(w io.Writer) bool {
+	switch v := w.(type) {
+	case *os.File:
+		var mode uint32
+		err := syscall.GetConsoleMode(syscall.Handle(v.Fd()), &mode)
+		return err == nil
+	default:
+		return false
+	}
+}