svn commit: r262882 - head/tools/tools/net80211/wlanstats
rwatson at FreeBSD.org
Fri Mar 7 09:19:38 UTC 2014
On Fri, 7 Mar 2014, Bruce Evans wrote:
>>> wlanstats: add help
>>> - add a help (-h) flag
>>> - move usage into itsown function
>> it looks like the only change now is that usage info always go to stdout,
>> and exit code differs. i don't think it should be mfced.
> It also removes the double printing of the program name (correct) and the
> printing of "usage: ", and has mounds of style bugs.
> gnu utilities have a --help flag that causes similar behaviour (printing to
> stdout and exiting with status 0), but they still print error messages about
> usage to stderr.
They can also return a non-zero status if printing the man pages encounters
problems. This leads to some curious text in the GNU info page for 'true'
explaining that it can sometimes return false.
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