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From "Ryan Bloom" <...@covalent.net>
Subject RE: EINVAL vs APR_EINVAL in apr_xlate_open()
Date Mon, 22 Jul 2002 02:59:05 GMT

> From: Karl Fogel [mailto:kfogel@newton.ch.collab.net]
> 
> Justin Erenkrantz <jerenkrantz@apache.org> writes:
> > In APR calls, if EINVAL is produced, it should use APR_EINVAL.
> >
> > And, for checking for error, the caller should use
> > APR_STATUS_IS_EINVAL(s).  -- justin
> 
> Well, this is *us* generating the EINVAL by fiat, not getting it from
> some lower-down system call.
> 
> Maybe we should still go with APR_EINVAL, on the principle of least
> surprise, though.  I'm not sure; trusting people with more APR
> experience to know a good answer here.

Just for completeness.  We should be returning APR_EINVAL, because that
is the safe code.  However, on all platforms that implement EINVAL,
EINVAL and APR_EINVAL are equivalent.  And, I can't think of any
platforms that don't define EINVAL.

Ryan



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