diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
commit | 8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch) | |
tree | ccebcbad06203e8241a8e7249f8e6c478a3682ea /src/link.c | |
parent | Initial commit. (diff) | |
download | coreutils-upstream.tar.xz coreutils-upstream.zip |
Adding upstream version 8.32.upstream/8.32upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/link.c')
-rw-r--r-- | src/link.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/link.c b/src/link.c new file mode 100644 index 0000000..b79f52e --- /dev/null +++ b/src/link.c @@ -0,0 +1,93 @@ +/* link utility for GNU. + Copyright (C) 2001-2020 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */ + +/* Written by Michael Stone */ + +/* Implementation overview: + + Simply call the system 'link' function */ + +#include <config.h> +#include <stdio.h> +#include <sys/types.h> + +#include "system.h" +#include "die.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 "link" + +#define AUTHORS proper_name ("Michael Stone") + +void +usage (int status) +{ + if (status != EXIT_SUCCESS) + emit_try_help (); + else + { + printf (_("\ +Usage: %s FILE1 FILE2\n\ + or: %s OPTION\n"), program_name, program_name); + fputs (_("Call the link function to create a link named FILE2\ + to an existing FILE1.\n\n"), + stdout); + fputs (HELP_OPTION_DESCRIPTION, stdout); + fputs (VERSION_OPTION_DESCRIPTION, stdout); + emit_ancillary_info (PROGRAM_NAME); + } + exit (status); +} + +int +main (int argc, char **argv) +{ + initialize_main (&argc, &argv); + set_program_name (argv[0]); + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + atexit (close_stdout); + + parse_gnu_standard_options_only (argc, argv, PROGRAM_NAME, PACKAGE_NAME, + Version, true, usage, AUTHORS, + (char const *) NULL); + + if (argc < optind + 2) + { + if (argc < optind + 1) + error (0, 0, _("missing operand")); + else + error (0, 0, _("missing operand after %s"), quote (argv[optind])); + usage (EXIT_FAILURE); + } + + if (optind + 2 < argc) + { + error (0, 0, _("extra operand %s"), quote (argv[optind + 2])); + usage (EXIT_FAILURE); + } + + if (link (argv[optind], argv[optind + 1]) != 0) + die (EXIT_FAILURE, errno, _("cannot create link %s to %s"), + quoteaf_n (0, argv[optind + 1]), quoteaf_n (1, argv[optind])); + + return EXIT_SUCCESS; +} |