From 3765f265542895572144683d70e7495cb8823b98 Mon Sep 17 00:00:00 2001
From: wb2osz <wb2osz@comcast.net>
Date: Mon, 30 Sep 2019 22:04:49 -0400
Subject: [PATCH] Default to no colors if output is not terminal.

---
 direwolf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/direwolf.c b/direwolf.c
index a29bd18..9e609eb 100644
--- a/direwolf.c
+++ b/direwolf.c
@@ -59,6 +59,8 @@
 #endif
 
 #if __WIN32__
+#include <stdio.h>
+#include <io.h>
 #else
 #include <unistd.h>
 #include <fcntl.h>
@@ -252,7 +254,11 @@ int main (int argc, char *argv[])
  * something else such as "tee") but command line can override this.
  */
 
+#if __WIN32__
+	t_opt = _isatty(_fileno(stdout)) > 0;
+#else
 	t_opt = isatty(fileno(stdout));
+#endif
 				/* 1 = normal, 0 = no text colors. */
 				/* 2, 3, ... alternate escape sequences for different terminals. */