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(parent: 989c790) | patch
doc: mention more pitfalls of file mode tests
authorEric Blake <eblake@redhat.com>
Sat, 25 Feb 2012 03:45:35 +0000 (20:45 -0700)
committerEric Blake <eblake@redhat.com>
Sat, 25 Feb 2012 03:52:44 +0000 (20:52 -0700)
commitfed83ed994ecc931769de2fa579ab4aec89028bd
tree205db9b6390869b2801b9fcab0f37afe14eaada8tree | snapshot
parent989c790c4f3e24ab68244575bbdf372688e4e8edcommit | diff
doc: mention more pitfalls of file mode tests

4.3BSD is museum-ware now, so we can assume that test -x exists;
however, we still can't assume that it always does what we want.

* doc/autoconf.texi (Limitations of Builtins) <test (files)>:
Treat 'test -x' as mostly portable, but mention problems with
root user, ACLs, and TOCTTOU races.

Signed-off-by: Eric Blake <eblake@redhat.com>
doc/autoconf.texi diff | blob | blame | history
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