1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* unlink utility for GNU.
Copyright (C) 2001-2002 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by Michael Stone */
/* Implementation overview:
Simply call the system 'unlink' function */
#include <config.h>
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
#include <assert.h>
#include "system.h"
#include "error.h"
#include "long-options.h"
#include "quote.h"
/* The official name of this program (e.g., no `g' prefix). */
#define PROGRAM_NAME "unlink"
#define AUTHORS "Michael Stone"
/* Name this program was run with. */
char *program_name;
void
usage (int status)
{
if (status != 0)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
program_name);
else
{
printf (_("\
Usage: %s FILE\n\
or: %s OPTION\n"), program_name, program_name);
fputs (_("Call the unlink function to remove the specified FILE.\n\n"),
stdout);
fputs (HELP_OPTION_DESCRIPTION, stdout);
fputs (VERSION_OPTION_DESCRIPTION, stdout);
printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
}
exit (status);
}
int
main (int argc, char **argv)
{
initialize_main (&argc, &argv);
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
atexit (close_stdout);
/* Don't recognize --help or --version if POSIXLY_CORRECT is set. */
if (getenv ("POSIXLY_CORRECT") == NULL)
parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
usage, AUTHORS, NULL);
/* The above handles --help and --version.
Since there is no other invocation of getopt, handle `--' here. */
if (1 < argc && STREQ (argv[1], "--"))
{
--argc;
++argv;
}
if (argc < 2)
{
error (0, 0, _("too few arguments"));
usage (EXIT_FAILURE);
}
if (2 < argc)
{
error (0, 0, _("too many arguments"));
usage (EXIT_FAILURE);
}
if (unlink (argv[1]) != 0)
error (EXIT_FAILURE, errno, _("cannot unlink %s"), quote (argv[1]));
exit (EXIT_SUCCESS);
}
|
