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avutil/log: skip IO calls on empty strings

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These occur when no context is set for example, thus they are common

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-06 23:30:34 +01:00
parent d6838309fe
commit a044a183a3
1 changed files with 3 additions and 0 deletions
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3
libavutil/log.c
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@ -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;