run-command: dup_devnull(): guard against syscalls failing
commita77f106c7837faf6a712ea3ac720f5c4fa2feb07
authorThomas Rast <trast@inf.ethz.ch>
Fri, 12 Jul 2013 08:58:36 +0000 (12 10:58 +0200)
committerJunio C Hamano <gitster@pobox.com>
Fri, 12 Jul 2013 17:30:09 +0000 (12 10:30 -0700)
tree15ecb20533e86b9c215a1b94796ba476fb3ac249
parenta2cb86c1524b7af20e609ca8d3db0b60b5c1d575
run-command: dup_devnull(): guard against syscalls failing

dup_devnull() did not check the return values of open() and dup2().
Fix this omission.

Signed-off-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
run-command.c