From d527acced45955fa83f0453e2c215b6cc1cad920 Mon Sep 17 00:00:00 2001
From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Tue, 14 Sep 2010 16:54:54 +1000
Subject: win32: winansi: implement \033[%uD

---
 win32/winansi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/win32/winansi.c b/win32/winansi.c
index 51bfad67c..3e97779cb 100644
--- a/win32/winansi.c
+++ b/win32/winansi.c
@@ -110,6 +110,18 @@ static void erase_till_end_of_screen(void)
 					    pos, NULL);
 }
 
+static void move_cursor_back(int n)
+{
+	CONSOLE_SCREEN_BUFFER_INFO sbi;
+
+	if (!console)
+		return;
+
+	GetConsoleScreenBufferInfo(console, &sbi);
+	sbi.dwCursorPosition.X -= n;
+	SetConsoleCursorPosition(console, sbi.dwCursorPosition);
+}
+
 static const char *set_attr(const char *str)
 {
 	const char *func;
@@ -248,6 +260,9 @@ static const char *set_attr(const char *str)
 
 		set_console_attr();
 		break;
+	case 'D':
+		move_cursor_back(strtol(str, (char **)&str, 10));
+		break;
 	case 'J':
 		erase_till_end_of_screen();
 		break;
-- 
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