41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2019,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mes/lib.h>
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#include <linux/syscall.h>
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#include <arch/syscall.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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int
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chmod (char const *file_name, mode_t mask)
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{
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long long_file_name = cast_charp_to_long (file_name);
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long long_mask = cast_int_to_long (mask);
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#if defined (SYS_chmod)
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return _sys_call2 (SYS_chmod, long_file_name, long_mask);
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#elif defined (SYS_fchmodat)
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return _sys_call3 (SYS_fchmodat, AT_FDCWD, long_file_name, long_mask);
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#else
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#error No usable chmod syscall
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#endif
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}
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