From: Andreas Schwab <schwab@linux-m68k.org>
Date: Mon, 18 Oct 2010 18:13:44 GMT
Subject: Re: [PATCH v4 15/15] daemon: opt-out on features that require posix
Message-ID: <m2y69vl67b.fsf@igel.home>
In-Reply-To: <20101018163134.GA6343@burratino>

Jonathan Nieder <jrnieder@gmail.com> writes:

> Just to throw an idea out: you can also do something like
>
> #ifndef NO_POSIX_GOODIES
> struct credentials {
> };
> #else
> struct credentials {
> 	struct passwd *pass;
> 	gid_t gid;
> }
> #endif
>
> and pass a pointer to credentials around.

Empty structures are not standard C.  But if you only ever use a pointer
to the struct you can leave it undefined (ie. just forward-declare it).

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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