From e241051f50044259d174e8b4633dd9a1c4478408 Mon Sep 17 00:00:00 2001
From: Kelvin Lee <kiyolee@gmail.com>
Date: Tue, 5 Sep 2023 15:01:10 +0300
Subject: MSVC: xz: Use _isatty() from <io.h> to implement isatty().

---
 src/xz/message.c | 5 +++++
 src/xz/util.c    | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/xz/message.c b/src/xz/message.c
index a87f864d..056ba5ea 100644
--- a/src/xz/message.c
+++ b/src/xz/message.c
@@ -15,6 +15,11 @@
 
 #include <stdarg.h>
 
+#ifdef _MSC_VER
+#	include <io.h>
+#	define isatty _isatty
+#endif
+
 
 /// Number of the current file
 static unsigned int files_pos = 0;
diff --git a/src/xz/util.c b/src/xz/util.c
index 6ab4c2d7..df6fd709 100644
--- a/src/xz/util.c
+++ b/src/xz/util.c
@@ -13,6 +13,11 @@
 #include "private.h"
 #include <stdarg.h>
 
+#ifdef _MSC_VER
+#	include <io.h>
+#	define isatty _isatty
+#endif
+
 
 /// Buffers for uint64_to_str() and uint64_to_nicestr()
 static char bufs[4][128];
-- 
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