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Re: zsh tests (dev-15)
- X-seq: zsh-workers 9379
- From: Peter Stephenson <pws@xxxxxxxxxxxxxxxxxxxxxxxx>
- To: Zsh workers <zsh-workers@xxxxxxxxxxxxxx>
- Subject: Re: zsh tests (dev-15)
- Date: Wed, 19 Jan 2000 19:55:18 +0000
- In-reply-to: "Oliver Kiddle"'s message of "Wed, 19 Jan 2000 13:29:53 GMT." <3885BC51.95C9BD60@xxxxxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm
Oliver Kiddle wrote:
> I've never looked at the new tests before but thought I'd run them
> today. They all pass except one in 07cond.ztst: [[ -e /dev/fd/0 ]]
> fails. I thought that this /dev/fd/0 stuff was Linux specific (I'm using
> AIX 3.2) so what is it doing as part of the zsh tests? Is zsh trying to
> emulate them on other systems? If so, maybe AIX's /dev/fd0 and similar
> devices (which I think are for the floppy drive) are getting in the way?
Yes, it's supposed to be emulated: the conditional expressions part of the
manual says:
In each of the above expressions, if file is of the form
`/dev/fd/n', where n is an integer, then the test applied
to the open file whose descriptor number is n, even if the
underlying system does not support the /dev/fd directory.
so something on your system is confusing it (unless, of course, you're
really running the test with no stdin). There's a run-time test for
this in cond.c:getstat():
/* /dev/fd/n refers to the open file descriptor n. We always use fstat *
* in this case since on Solaris /dev/fd/n is a device special file */
if (!strncmp(s, "/dev/fd/", 8)) {
if (fstat(atoi(s + 8), &st))
return NULL;
return &st;
}
There doesn't look to be much to go wrong, but somehow you seem to be
getting NULL here. (Actually, there's a lie in the manual page since the
code doesn't care if there's an integer next or not, but it's not
disastrous.)
I'd appreciate any help I can get with system-specific fixes for the tests,
I'm pretty much limited to Linux most of the time at the moment.
--
Peter Stephenson <pws@xxxxxxxxxxxxxxxxxxxxxxxx>
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