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Files
coreutils/src/true.c
Jim Meyering 7cdcf3b47a Honor --help and --version once again, though now
only if POSIXLY_CORRECT is set.
1999-08-06 10:14:52 +00:00

52 lines
1.2 KiB
C

#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include "system.h"
#include "version-etc.h"
#define PROGRAM_NAME "true"
#define AUTHORS "no one"
/* 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\
Exit with a status code indicating success.\n\
\n\
These option names may not be abbreviated.\n\
\n\
--help display this help and exit\n\
--version output version information and exit\n\
")
, program_name, program_name);
puts (_("\nReport bugs to <bug-sh-utils@gnu.org>."));
exit (status);
}
int
main (int argc, char **argv)
{
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
/* Recognize --help or --version only if it's the only command-line
argument and if POSIXLY_CORRECT is not set. */
if (argc == 2 && getenv ("POSIXLY_CORRECT") == NULL)
{
if (STREQ (argv[1], "--help"))
usage (EXIT_SUCCESS);
if (STREQ (argv[1], "--version"))
version_etc (stdout, PROGRAM_NAME, GNU_PACKAGE, VERSION, AUTHORS);
}
exit (EXIT_SUCCESS);
}