help/log.c: better error handling for "log_output"
authorGirts <girtsf@users.noreply.github.com>
Sat, 5 Nov 2016 21:38:55 +0000 (14:38 -0700)
committerFreddie Chopin <freddie.chopin@gmail.com>
Sun, 23 Apr 2017 21:38:42 +0000 (22:38 +0100)
commit8addd9503eeb7704907d2340378d1200e3bbb99c
tree6e37101f0094f745c74c74d3e770e0475aba3c46
parentb90d58db07459a353d20b052bd1e4732fec03aa5
help/log.c: better error handling for "log_output"

* Close previous log file if one was opened before.
* Return error if opening file fails.

Change-Id: I103025cd86bcac785fe39e13bc7d5f79d78e38e7
Signed-off-by: Girts Folkmanis <opensource@girts.me>
Reviewed-on: http://openocd.zylin.com/3878
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
src/helper/log.c