Make usage, error reporting, and stdio use consistent
authorBryn M. Reeves <bmr@redhat.com>
Mon, 21 Jan 2013 13:06:04 +0000 (13:06 +0000)
committerBryn M. Reeves <bmr@redhat.com>
Mon, 21 Jan 2013 13:06:04 +0000 (13:06 +0000)
commitb104e01db5ec0ce2191b19060c4eb24a5ed522df
treea3cf532805848be139b482742b65bcac77e83892
parent651c957be0607f0e4dab5898f47e29ffaaa724fe
Make usage, error reporting, and stdio use consistent

Normal messages were reported with "echo". Add a new _print()
function to send this output to stdout.

Make all usage messages come through a common ba_usage() printing
either a generic message or a sub-command specified message.
blkdevalias