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, 7 Jan 2014 02:05:30 +0000 (03:05 +0100)
commite779595dcae46c1c1cde64e084759e9585f76e3f
treed41e2dd36ee9d98321bde309c5dfe2833a92fd81
parentcf6cf50ac689e3dc69c54b66495cd4951105bf61
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