From a044a183a3fb90b20a8deaa3ea1158510bcdd420 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 6 Dec 2013 23:30:34 +0100
Subject: [PATCH] avutil/log: skip IO calls on empty strings
These occur when no context is set for example, thus they are common
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavutil/log.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavutil/log.c b/libavutil/log.c
index 0eb09b213d0..a7eb34c3d25 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -103,6 +103,9 @@ static int use_color = -1;
static void colored_fputs(int level, const char *str)
{
+ if (!*str)
+ return;
+
if (use_color < 0) {
#if HAVE_SETCONSOLETEXTATTRIBUTE
CONSOLE_SCREEN_BUFFER_INFO con_info;
--
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