Paul Eggert 5e93200bbc Don't use <alloca.h>, so that we don't use alloca on ...

strings on unbounded length.  alloca's performance benefits aren't
that important here.
(V_STRDUP): Remove.
(parse_with_separator): New function, with most of the internals
of the old parse_user_spec.  Allow user to omit both user and group,
for compatibility with FreeBSD.
Clone only the user name, not the entire spec.
Do not set *uid, *gid unless entirely successful.
Avoid memory leak in some failing cases.
Fix regression for USER.GROUP reported by Dmitry V. Levin in
<http://lists.gnu.org/archive/html/bug-coreutils/2004-08/msg00102.html>
(parse_user_spec): Rewrite to use parse_with_separator.

2004-08-19 20:04:42 +00:00

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