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>
Fri, 7 Mar 2014 03:04:07 +0000 (04:04 +0100)
commit1997487f67ec486546b6cd21f38546e8ca042cb8
treecbcefa4bcbd3e2374adda609b57615fd21a4ad43
parentaeccfca26842402304dedb985f1d1955f2fa8e7d
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