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libacl/acl_delete_perm.c
38 строк
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Andreas Gruenbacher
acl_{get,add,delete}_perm: Make sure errno is set
23 июн 2026, 14:35
23 июн 2026, 14:35
75759b6
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/* File: acl_delete_perm.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" /* 23.4.10 */ int acl_delete_perm(acl_permset_t permset_d, acl_perm_t perm) { acl_permset_obj *acl_permset_obj_p = ext2int(acl_permset, permset_d); if (!acl_permset_obj_p) return -1; if ((perm & ~(ACL_READ|ACL_WRITE|ACL_EXECUTE))) { errno = EINVAL; return -1; } acl_permset_obj_p->sperm &= ~perm; return 0; }