diff options
Diffstat (limited to 'src/true.c')
-rw-r--r-- | src/true.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/true.c b/src/true.c new file mode 100644 index 0000000..55490f9 --- /dev/null +++ b/src/true.c @@ -0,0 +1,82 @@ +/* Exit with a status code indicating success. + Copyright (C) 1999-2003, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include <config.h> +#include <stdio.h> +#include <sys/types.h> +#include "system.h" + +/* Act like "true" by default; false.c overrides this. */ +#ifndef EXIT_STATUS +# define EXIT_STATUS EXIT_SUCCESS +#endif + +#if EXIT_STATUS == EXIT_SUCCESS +# define PROGRAM_NAME "true" +#else +# define PROGRAM_NAME "false" +#endif + +#define AUTHORS "Jim Meyering" + +/* The name this program was run with. */ +char *program_name; + +void +usage (int status) +{ + printf (_("\ +Usage: %s [ignored command line arguments]\n\ + or: %s OPTION\n\ +"), + program_name, program_name); + printf ("%s\n\n", + _(EXIT_STATUS == EXIT_SUCCESS + ? "Exit with a status code indicating success." + : "Exit with a status code indicating failure.")); + fputs (HELP_OPTION_DESCRIPTION, stdout); + fputs (VERSION_OPTION_DESCRIPTION, stdout); + printf (USAGE_BUILTIN_WARNING, PROGRAM_NAME); + 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); + + /* Recognize --help or --version only if it's the only command-line + argument. */ + if (argc == 2) + { + if (STREQ (argv[1], "--help")) + usage (EXIT_STATUS); + + if (STREQ (argv[1], "--version")) + version_etc (stdout, PROGRAM_NAME, GNU_PACKAGE, VERSION, AUTHORS, + (char *) NULL); + } + + exit (EXIT_STATUS); +} |