Source code of /bin/true

Irix 6.5.5f

#!/sbin/sh
#Tag 3840
#       Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
#         All Rights Reserved

#       THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
#       The copyright notice above does not evidence any
#       actual or intended publication of such source code.

#ident  "@(#)true:true.sh       1.4"
#ident  "$Revision: 1.6 $"

Solaris 8

#!/usr/bin/sh
#       Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
#         All Rights Reserved

#       THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
#       The copyright notice above does not evidence any
#       actual or intended publication of such source code.

#ident  "@(#)true.sh    1.6     93/01/11 SMI"   /* SVr4.0 1.4   */

GNU (shellutils 2.0.12)

#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include "system.h"
#include "version-etc.h"
#include "closeout.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\
"),
          program_name, program_name);
      fputs (HELP_OPTION_DESCRIPTION, stdout);
      fputs (VERSION_OPTION_DESCRIPTION, stdout);
  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);

  atexit (close_stdout);

  /* 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);
}

GNU (coreutils 4.5.9)

/* Exit with a status code indicating success.
   Copyright (C) 1999-2003 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.  */

#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include "system.h"
#include "version-etc.h"
#include "closeout.h"

#define PROGRAM_NAME "true"
#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\
Exit with a status code indicating success.\n\
\n\
These option names may not be abbreviated.\n\
\n\
"),
          program_name, program_name);
      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)
{
  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 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);
}

GNU (busybox 0.60.3)

/* vi: set sw=4 ts=4: */
/*
 * Mini true/false implementation for busybox
 *
 *
 * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
 * Copyright (C) 1999,2000,2001 by Erik Andersen 
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

/* getopt not needed */

#include <stdlib.h>
#include "busybox.h"


extern int true_main(int argc, char **argv)
{
        return EXIT_SUCCESS;
} 

extern int false_main(int argc, char **argv)
{
        return EXIT_FAILURE;
}  

NetBSD 1.5.3

#! /bin/sh
exit 0

FreeBSD 4.6.2-RELEASE

/*
 * Copyright (c) 1988, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
 
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
        The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */
 
#ifndef lint
static char sccsid[] = "@(#)true.c      8.1 (Berkeley) 6/9/93";
#endif /* not lint */
 
main()
{
        exit(0);
}


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