[FFmpeg-cvslog] avutil/log: skip IO calls on empty strings

Michael Niedermayer git at videolan.org
Fri Mar 7 04:08:47 CET 2014


ffmpeg | branch: release/1.1 | Michael Niedermayer <michaelni at gmx.at> | Fri Dec  6 23:30:34 2013 +0100| [1997487f67ec486546b6cd21f38546e8ca042cb8] | committer: Michael Niedermayer

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 at gmx.at>
(cherry picked from commit a044a183a3fb90b20a8deaa3ea1158510bcdd420)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1997487f67ec486546b6cd21f38546e8ca042cb8
---

 libavutil/log.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavutil/log.c b/libavutil/log.c
index 49dd4d1..bdb4be0 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -101,6 +101,9 @@ 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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