From d807043b4b2fd18a7ea6af362787d2e6130472a4 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Mon, 25 Oct 2021 17:19:16 +0000
Subject: tbi/win: add macro to validate (x, y) in a window

---
 lib/tbi/win.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib')

diff --git a/lib/tbi/win.c b/lib/tbi/win.c
index e3ba31e..bf674a2 100644
--- a/lib/tbi/win.c
+++ b/lib/tbi/win.c
@@ -7,6 +7,10 @@
 #include "screen.h"
 #include "win.h"
 
+#define CHECK_POSITION(win, x, y) \
+	if(x < 0 || y < 0 || x >= w->width || y >= w->height) \
+		return FALSE
+
 struct window *newwin(struct screen *s, 
 	INT32 ncols, INT32 nlines, INT32 begin_x, INT32 begin_y)
 {
-- 
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