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Re: gnulib getcwd patch needed for Solaris 10 getcwd

From: Jim Meyering
Subject: Re: gnulib getcwd patch needed for Solaris 10 getcwd
Date: Thu, 22 Feb 2007 01:22:31 +0100

Paul Eggert <address@hidden> wrote:
> Jim Meyering <address@hidden> writes:
>> Why does your config.h define HAVE_PARTLY_WORKING_GETCWD
>> when using Sun C 5.8?
> Sorry, I don't know offhand.  I don't currently have access to the
> affected machine but will try to get to it soon.  It is Solaris 10
> x86, patched to about a month ago.  I built it with a local (ufs) file
> system.

Bad timing.  I was about to make a test release.
If anyone else has access to a Solaris 10 system (x86 or otherwise),
with Sun C, would you please try the latest snapshot?


> On Solaris 10, getcwd is a system call, and I suspect it's much better
> in common practice to try the syscall than to jump immediately to our
> own code, even if getcwd (NULL, 0) does not work as it does with
> glibc.

I ran a couple quick tests, and they suggest that there's nothing
special about Solaris 10's getcwd implementation (i.e., it's not
like the linux/glibc one).  For example, /bin/pwd doesn't work
when a parent is unreadable.  Does their system-provided
getcwd have something else to recommend it?

> In the meantime I've backed out the patch.


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