jcs.org
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 <LibCore/ArgsParser.h>
28#include <errno.h>
29#include <stdio.h>
30#include <stdlib.h>
31#include <unistd.h>
32
33int main(int argc, char** argv)
34{
35 if (pledge("stdio cpath", nullptr) < 0) {
36 perror("pledge");
37 return 1;
38 }
39
40 bool symbolic = false;
41 const char* target = nullptr;
42 const char* path = nullptr;
43
44 Core::ArgsParser args_parser;
45 args_parser.add_option(symbolic, "Create a symlink", "symbolic", 's');
46 args_parser.add_positional_argument(target, "Link target", "target");
47 args_parser.add_positional_argument(path, "Link path", "path");
48 args_parser.parse(argc, argv);
49
50 if (symbolic) {
51 int rc = symlink(target, path);
52 if (rc < 0) {
53 perror("symlink");
54 return 1;
55 }
56 return 0;
57 }
58
59 int rc = link(target, path);
60 if (rc < 0) {
61 perror("link");
62 return 1;
63 }
64 return 0;
65}