78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
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File: acl_free.c
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Copyright (C) 1999, 2000
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Andreas Gruenbacher <andreas.gruenbacher@gmail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "libacl.h"
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void
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__acl_free_acl_obj(acl_obj *acl_obj_p)
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{
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acl_entry_obj *entry_obj_p;
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while (acl_obj_p->anext != (acl_entry_obj *)acl_obj_p) {
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entry_obj_p = acl_obj_p->anext;
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acl_obj_p->anext = acl_obj_p->anext->enext;
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free_obj_p(entry_obj_p);
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}
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free(acl_obj_p->aprealloc);
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free_obj_p(acl_obj_p);
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}
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/* 23.4.12 */
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int
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acl_free(void *obj_p)
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{
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obj_prefix *int_p = ((obj_prefix *)obj_p)-1;
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if (!obj_p || !int_p) {
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errno = EINVAL;
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return -1;
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}
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switch(int_p->p_magic) {
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case acl_MAGIC:
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__acl_free_acl_obj((acl_obj *)int_p);
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return 0;
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case qualifier_MAGIC:
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case string_MAGIC:
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free_obj_p(int_p);
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return 0;
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case acl_entry_MAGIC:
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case acl_permset_MAGIC:
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#ifdef LIBACL_DEBUG
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fprintf(stderr, "object (magic=0x%X) "
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"at %p cannot be freed\n",
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int_p->p_magic, int_p);
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#endif
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break;
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default:
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#ifdef LIBACL_DEBUG
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fprintf(stderr, "invalid object (magic=0x%X) "
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"at %p\n", int_p->p_magic, int_p);
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#endif
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break;
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}
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errno = EINVAL;
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return -1;
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}
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