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/*
Copyright (C) 1996,2001,02 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "iohelp.h"
#include <stdlib.h>
error_t
iohelp_create_iouser (struct iouser **user, struct idvec *uids,
struct idvec *gids)
{
struct iouser *new;
*user = new = malloc (sizeof (struct iouser));
if (!new)
return ENOMEM;
new->uids = uids;
new->gids = gids;
new->hook = 0;
return 0;
}
#define E(err_) \
do { \
error_t err = err_; \
if (err) \
{ \
*user = 0; \
if (! uids) \
return err; \
idvec_free (uids); \
if (! gids) \
return err; \
idvec_free (gids); \
return err; \
} \
} while (0)
error_t
iohelp_create_empty_iouser (struct iouser **user)
{
struct idvec *uids, *gids;
uids = make_idvec ();
if (! uids)
E (ENOMEM);
gids = make_idvec ();
if (! gids)
E (ENOMEM);
E (iohelp_create_iouser (user, uids, gids));
return 0;
}
error_t
iohelp_create_simple_iouser (struct iouser **user, uid_t uid, gid_t gid)
{
struct idvec *uids, *gids;
uids = make_idvec ();
if (! uids)
E (ENOMEM);
gids = make_idvec ();
if (! gids)
E (ENOMEM);
E (idvec_add (uids, uid));
E (idvec_add (gids, gid));
E (iohelp_create_iouser (user, uids, gids));
return 0;
}
error_t
iohelp_create_complex_iouser (struct iouser **user,
const uid_t *uvec, int nuids,
const gid_t *gvec, int ngids)
{
struct idvec *uids, *gids;
uids = make_idvec ();
if (! uids)
E (ENOMEM);
gids = make_idvec ();
if (! gids)
E (ENOMEM);
E (idvec_set_ids (uids, uvec, nuids));
E (idvec_set_ids (gids, gvec, ngids));
E (iohelp_create_iouser (user, uids, gids));
return 0;
}
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