From 95f7e64a45ac3fd84e21c0e0c6ebe4c31d372a37 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 7 Sep 2017 13:10:38 +0800
Subject: impl isatty for windows

---
 core/src/xmake/io/isatty.c | 19 ++++++++++---------
 core/src/xmake/machine.c   |  1 +
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/core/src/xmake/io/isatty.c b/core/src/xmake/io/isatty.c
index a210771a4..e094ebcfc 100644
--- a/core/src/xmake/io/isatty.c
+++ b/core/src/xmake/io/isatty.c
@@ -33,7 +33,9 @@
  * includes
  */
 #include "prefix.h"
-#ifndef TB_CONFIG_OS_WINDOWS
+#ifdef TB_CONFIG_OS_WINDOWS
+#   include <io.h>
+#else
 #   include <unistd.h>
 #endif
 
@@ -50,16 +52,15 @@ tb_int_t xm_io_isatty(lua_State* lua)
     // check
     tb_assert_and_check_return_val(lua, 0);
 
+    // get file pointer
+    FILE** fp = (FILE**)luaL_checkudata(lua, 1, LUA_FILEHANDLE);
+
     // no arguments? default: stdout
     tb_int_t answer = 1;
-#ifndef TB_CONFIG_OS_WINDOWS
-	if (lua_gettop(lua) == 0)
-		answer = isatty(1);
-	else 
-    {
-		FILE** fp = (FILE**)luaL_checkudata(lua, 1, LUA_FILEHANDLE);
-        if (fp) answer = isatty(fileno(*fp));
-	}
+#ifdef TB_CONFIG_OS_WINDOWS
+    if (fp) answer = _isatty(_fileno(*fp));
+#else
+    if (fp) answer = isatty(fileno(*fp));
 #endif
 
     // return answer
diff --git a/core/src/xmake/machine.c b/core/src/xmake/machine.c
index 34d80d618..09c496eaf 100644
--- a/core/src/xmake/machine.c
+++ b/core/src/xmake/machine.c
@@ -174,6 +174,7 @@ static luaL_Reg const g_os_functions[] =
 static luaL_Reg const g_io_functions[] = 
 {
     { "isatty",         xm_io_isatty    }
+,   { tb_null,          tb_null         }
 };
 
 // the path functions
-- 
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