From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff King <peff@peff.net>
Subject: Re: [PATCH 3/3] credential-cache--daemon: change to the socket dir
 on startup
Date: Tue, 23 Feb 2016 16:07:26 -0500
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Cc: git@vger.kernel.org, Jon Griffiths <jon_p_griffiths@yahoo.com>
To: Junio C Hamano <gitster@pobox.com>
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On Tue, Feb 23, 2016 at 01:06:10PM -0800, Junio C Hamano wrote:

> Jeff King <peff@peff.net> writes:
> 
> > +	/*
> > +	 * We don't actually care what our cwd is; we chdir here just to
> > +	 * be a friendly daemon and avoid tying up our original cwd.
> > +	 * If this fails, it's OK to just continue without that benefit.
> > +	 */
> > +	chdir(dir);
> 
> I fully do agree with this comment, but my copy of gcc and system
> headers doesn't, unfortunately.
> 
> credential-cache--daemon.c: In function 'init_socket_directory':
> credential-cache--daemon.c:245:7: error: ignoring return value of 'chdir', declared with attribute warn_unused_result [-Werror=unused-result]
>   chdir(dir);
>        ^
> cc1: all warnings being treated as errors
> make: *** [credential-cache--daemon.o] Error 1

Ugh. Is:

  (void)chdir(dir);

enough? Or do we have to do:

  if (chdir(dir))
	; /* nothing */

?

-Peff