avutil/log: skip IO calls on empty strings
authorMichael Niedermayer <michaelni@gmx.at>
Fri, 6 Dec 2013 22:30:34 +0000 (23:30 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 24 Dec 2013 00:05:47 +0000 (01:05 +0100)
commit172f92976752618a7d1b6636bf2d04cbdbd65790
treee583c20ad54b0752af4332d1f866dd622eea6038
parent66a9edfcf677f2673b5163f8008bdc7d0454074c
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>
(cherry picked from commit a044a183a3fb90b20a8deaa3ea1158510bcdd420)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavutil/log.c