On Dec 25, 2014 1:13 AM, "Levi Morrison" <le...@php.net> wrote:
>
> On Wed, Dec 24, 2014 at 10:34 AM, Andrea Faulds <a...@ajf.me> wrote:
> >
> >> On 24 Dec 2014, at 17:22, Levi Morrison <le...@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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