From 326920a9bf76be562ae65c55609edf65072129ad Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Mon, 20 Feb 2017 14:14:35 +0100
Subject: vo_tct: check ioctl result

---
 video/out/vo_tct.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'video/out/vo_tct.c')

diff --git a/video/out/vo_tct.c b/video/out/vo_tct.c
index 68b29e9bc8..dbe5d69fb6 100644
--- a/video/out/vo_tct.c
+++ b/video/out/vo_tct.c
@@ -177,14 +177,14 @@ static void write_half_blocks(
 
 static void get_win_size(struct vo *vo, int *out_width, int *out_height) {
     struct priv *p = vo->priv;
-#if HAVE_POSIX
-    struct winsize winsize;
-    ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize);
-    *out_width = winsize.ws_col;
-    *out_height = winsize.ws_row;
-#else
     *out_width = DEFAULT_WIDTH;
     *out_height = DEFAULT_HEIGHT;
+#if HAVE_POSIX
+    struct winsize winsize;
+    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) >= 0) {
+        *out_width = winsize.ws_col;
+        *out_height = winsize.ws_row;
+    }
 #endif
 
     if (p->opts->width > 0)
-- 
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