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/*
File: acl_get_entry.c
Copyright (C) 1999, 2000
Andreas Gruenbacher, <andreas.gruenbacher@gmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "libacl.h"
/* 23.4.14 */
int
acl_get_entry(acl_t acl, int entry_id, acl_entry_t *entry_p)
{
acl_obj *acl_obj_p = ext2int(acl, acl);
if (!acl_obj_p) {
if (entry_p)
*entry_p = NULL;
return -1;
}
if (!entry_p) {
errno = EINVAL;
return -1;
}
if (entry_id == ACL_FIRST_ENTRY) {
acl_obj_p->acurr = acl_obj_p->anext;
} else if (entry_id == ACL_NEXT_ENTRY) {
/*if (acl_obj_p->acurr == (acl_entry_obj *)acl_obj_p) {
errno = EINVAL;
return -1;
}*/
acl_obj_p->acurr = acl_obj_p->acurr->enext;
}
if (acl_obj_p->acurr == (acl_entry_obj *)acl_obj_p) {
*entry_p = NULL;
return 0;
}
if (!check_obj_p(acl_entry, acl_obj_p->acurr)) {
return -1;
}
*entry_p = int2ext(acl_obj_p->acurr);
return 1;
}
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