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Date: Thu, 25 Dec 2014 05:16:00 +1100
Message-ID: <CAEZPtU71hrnyX-vF7kcEUATmTbYOutyQKH9Xswc4qCw4=_0Mow@mail.gmail.com>
To: Levi Morrison <levim@php.net>
Cc: Laruence <laruence@php.net>, =?UTF-8?Q?Johannes_Schl=C3=BCter?= <johannes@schlueters.de>, 
	PHP internals <internals@lists.php.net>, Andrea Faulds <ajf@ajf.me>
Content-Type: multipart/alternative; boundary=047d7bdc81ccac822b050afa48bb
Subject: Re: [PHP-DEV] About SUCCESS/FAILURE
From: pierre.php@gmail.com (Pierre Joye)

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Content-Type: text/plain; charset=UTF-8

On Dec 25, 2014 1:13 AM, "Levi Morrison" <levim@php.net> wrote:
>
> On Wed, Dec 24, 2014 at 10:34 AM, Andrea Faulds <ajf@ajf.me> wrote:
> >
> >> On 24 Dec 2014, at 17:22, Levi Morrison <levim@php.net> wrote:
> >>
> >> Hmm. This thread doesn't seem to mention it, but why must failure be
> >> negative? I understand the non-zero part but not negative. Aside from
> >> the fact we probably have code relying on it to be negative at this
> >> point is there some other reason?
> >
> > Hey Levi,
> >
> > I believe it's a convention among C APIs: 0 for success, negative for
some error
>
> I'm asking for specific things. The reason is that some API's do a
> non-zero error code; the fact that they are negative is a detail that
> we should not need to care about.

The values do not matter but a consistent usage across all internal APIs.

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