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/*
File: acl_free.c
Copyright (C) 1999, 2000
Andreas Gruenbacher <andreas.gruenbacher@gmail.com>
This library 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 library 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "libacl.h"
void
__acl_free_acl_obj(acl_obj *acl_obj_p)
{
acl_entry_obj *entry_obj_p;
while (acl_obj_p->anext != (acl_entry_obj *)acl_obj_p) {
entry_obj_p = acl_obj_p->anext;
acl_obj_p->anext = acl_obj_p->anext->enext;
free_obj_p(entry_obj_p);
}
free(acl_obj_p->aprealloc);
free_obj_p(acl_obj_p);
}
/* 23.4.12 */
int
acl_free(void *obj_p)
{
obj_prefix *int_p = ((obj_prefix *)obj_p)-1;
if (!obj_p || !int_p) {
errno = EINVAL;
return -1;
}
switch(int_p->p_magic) {
case acl_MAGIC:
__acl_free_acl_obj((acl_obj *)int_p);
return 0;
case qualifier_MAGIC:
case string_MAGIC:
free_obj_p(int_p);
return 0;
case acl_entry_MAGIC:
case acl_permset_MAGIC:
#ifdef LIBACL_DEBUG
fprintf(stderr, "object (magic=0x%X) "
"at %p cannot be freed\n",
int_p->p_magic, int_p);
#endif
break;
default:
#ifdef LIBACL_DEBUG
fprintf(stderr, "invalid object (magic=0x%X) "
"at %p\n", int_p->p_magic, int_p);
#endif
break;
}
errno = EINVAL;
return -1;
}
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