From 09e655f89df9cea14838136a6072b0b2d8ee2d48 Mon Sep 17 00:00:00 2001
From: Thomas Martitz <kugel@rockbox.org>
Date: Sun, 12 Jan 2014 19:19:05 +0100
Subject: put_line(): Add another check against possible buffer overflow (see
 193911a).

Change-Id: Idc6637cc42afe612375dab3acac8495278f68f0a
---
 apps/gui/line.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'apps/gui')

diff --git a/apps/gui/line.c b/apps/gui/line.c
index 5e22d6da26..4d08a34372 100644
--- a/apps/gui/line.c
+++ b/apps/gui/line.c
@@ -210,6 +210,8 @@ static void print_line(struct screen *display,
                 tempbuf_idx = tempbuf[tempbuf_idx] = 0;
                 put_text(display, xpos, y, line, tempbuf, false, 0);
                 xpos += display->getstringsize(tempbuf, NULL, NULL);
+                if (xpos >= max_width)
+                    return;
             }
 next:
             ch = *fmt++;
-- 
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