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100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/* link utility for GNU.
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Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Michael Stone */
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/* Implementation overview:
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Simply call the system 'link' function */
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#include <config.h>
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#include <stdio.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include "system.h"
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#include "error.h"
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#include "long-options.h"
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#include "quote.h"
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/* The official name of this program (e.g., no `g' prefix). */
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#define PROGRAM_NAME "link"
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#define AUTHORS "Michael Stone"
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/* Name this program was run with. */
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char *program_name;
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void
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usage (int status)
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{
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if (status != EXIT_SUCCESS)
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fprintf (stderr, _("Try `%s --help' for more information.\n"),
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program_name);
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else
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{
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printf (_("\
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Usage: %s FILE1 FILE2\n\
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or: %s OPTION\n"), program_name, program_name);
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fputs (_("Call the link function to create a link named FILE2\
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to an existing FILE1.\n\n"),
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stdout);
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fputs (HELP_OPTION_DESCRIPTION, stdout);
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fputs (VERSION_OPTION_DESCRIPTION, stdout);
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printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
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}
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exit (status);
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}
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int
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main (int argc, char **argv)
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{
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initialize_main (&argc, &argv);
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program_name = argv[0];
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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atexit (close_stdout);
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parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
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usage, AUTHORS, (char const *) NULL);
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if (getopt_long (argc, argv, "", NULL, NULL) != -1)
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usage (EXIT_FAILURE);
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if (argc < optind + 2)
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{
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if (argc < optind + 1)
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error (0, 0, _("missing operand"));
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else
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error (0, 0, _("missing operand after %s"), quote (argv[optind]));
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usage (EXIT_FAILURE);
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}
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if (optind + 2 < argc)
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{
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error (0, 0, _("extra operand %s"), quote (argv[optind + 2]));
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usage (EXIT_FAILURE);
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}
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if (link (argv[optind], argv[optind + 1]) != 0)
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error (EXIT_FAILURE, errno, _("cannot create link %s to %s"),
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quote_n (0, argv[optind + 1]), quote_n (1, argv[optind]));
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exit (EXIT_SUCCESS);
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}
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