Jeff King <peff@xxxxxxxx> writes:
> According to the POSIX quote above, it sounds like we could do:
>
> #if defined (_SC_OPEN_MAX)
> {
> long max;
> errno = 0;
> max = sysconf(_SC_OPEN_MAX);
> if (0 < max) /* got the limit */
> return max;
> else if (!errno) /* unlimited, cast to int-max */
> return max;
> /* otherwise, fall through */
> }
> #endif
>
> Obviously you could collapse the two branches of the conditional, though
> I think it deserves at least a comment to explain what is going on.
Yes, that is locally OK, but depending on how the caller behaves, we
might need to have an extra saved_errno dance here, which I didn't
want to get into...
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