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libacl/acl_delete_entry.c
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Andreas Gruenbacher
acl_delete_entry: verify that entry belongs to acl
20 июн 2026, 12:57
20 июн 2026, 12:57
0ac4659
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/* File: acl_delete_entry.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" /* 23.4.9 */ int acl_delete_entry(acl_t acl, acl_entry_t entry_d) { acl_obj *acl_obj_p = ext2int(acl, acl); acl_entry_obj *entry_obj_p = ext2int(acl_entry, entry_d); if (!acl_obj_p || !entry_obj_p) return -1; if (entry_obj_p->econtainer != acl_obj_p) { errno = EINVAL; return -1; } if (acl_obj_p->acurr == entry_obj_p) acl_obj_p->acurr = acl_obj_p->acurr->eprev; entry_obj_p->eprev->enext = entry_obj_p->enext; entry_obj_p->enext->eprev = entry_obj_p->eprev; free_obj_p(entry_obj_p); acl_obj_p->aused--; return 0; }