Re: fstatat + AT_NO_AUTOMOUNT

[Paul Eggert]

I audited gnulib's uses of fstatat and found one fishy one that doesn't 
use AT_NO_AUTOMOUNT, namely, in fts.c where the follow-symlink branch 
uses 'stat' whereas the no-follow-symlink branch uses fstatat without 
AT_NO_AUTOMOUNT. I installed the first patch to cause it be consistent 
in using AT_NO_AUTOMOUNT, which is also consistent with what glibc does 
(though this doesn't necessarily mean it's right - perhaps fts should 
have a new flag to control automounts, depending on what the user wants).

The second attached patch deprecates statat and lstatat, due to the 
confusion already mentioned.

I haven't audited Gnulib's uses of 'stat' and 'lstat'.

0001-fts-be-consistent-about-AT_NO_AUTOMOUNT.patch
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0002-statat-now-obsolete.patch
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