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updating glob

From: Eric Blake
Subject: updating glob
Date: Mon, 22 Mar 2010 17:34:26 -0600

Updating glob is turning out to be trickier than I thought.
For starters, m4/glob.m4 claims that the use of the glob module
implies that you want GNU semantics; which means that we should
really be creating glob-posix and glob-gnu, then making glob
an alias for glob-gnu.

Next, m4/glob.m4 claims that glibc's glob always needs
replacing, independently of this patchset, but the unit
test does not even test whether glob returns dangling
symlinks (in my opinion, POSIX requires that it should).

I'm stuck on time right now, but thought I would at least
post my current status, in case someone else wants to look
at it or provide comments on my testsuite enhancements.

 ChangeLog                     |   21 +++++++++++
 doc/posix-functions/glob.texi |    4 ++
 lib/glob.c                    |   60 +++++++------------------------
 tests/test-glob.c             |   78 ++++++++++++++++++++++++++++++++++++++--
 4 files changed, 112 insertions(+), 51 deletions(-)

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