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Re: [Bug-gnulib] xreadlink.c patch


From: Paul Eggert
Subject: Re: [Bug-gnulib] xreadlink.c patch
Date: Fri, 05 Nov 2004 16:48:03 -0800
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux)

Bruno Haible <address@hidden> writes:

> on an older version of AIX the following behaviour was seen on NFS
> mounted directories: after lstat(), the st_size field did not
> contain the exact link size: the readlink() call returns a different
> value. I don't remember whether the return value was larger or
> smaller than st_size. I'll try to reproduce that...

xreadlink doesn't care about that bug: it works regardless of the size
that lstat returns.  So working around this problem is low priority,
from an xreadlink point of view anyway.

There was quite a menagerie of lstat issues like that on older
systems.  I recall older versions of lstat setting st_size to 0 for
symlinks, for example.  I'm not sure it's worth your time discovering
and working around all those ancient bugs....




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