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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <Kernel/Syscall.h>
28#include <assert.h>
29#include <errno.h>
30#include <stdio.h>
31#include <string.h>
32#include <sys/stat.h>
33
34extern "C" {
35
36mode_t umask(mode_t mask)
37{
38 return syscall(SC_umask, mask);
39}
40
41int mkdir(const char* pathname, mode_t mode)
42{
43 if (!pathname) {
44 errno = EFAULT;
45 return -1;
46 }
47 int rc = syscall(SC_mkdir, pathname, strlen(pathname), mode);
48 __RETURN_WITH_ERRNO(rc, rc, -1);
49}
50
51int chmod(const char* pathname, mode_t mode)
52{
53 if (!pathname) {
54 errno = EFAULT;
55 return -1;
56 }
57 int rc = syscall(SC_chmod, pathname, strlen(pathname), mode);
58 __RETURN_WITH_ERRNO(rc, rc, -1);
59}
60
61int fchmod(int fd, mode_t mode)
62{
63 int rc = syscall(SC_fchmod, fd, mode);
64 __RETURN_WITH_ERRNO(rc, rc, -1);
65}
66}