usr.sbin/link/link.c

   1 /*      $NetBSD: link.c,v 1.3 2008/04/28 20:24:16 martin Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Klaus Klein.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 __COPYRIGHT(
  35 "@(#) Copyright (c) 1999\
  36  The NetBSD Foundation, Inc.  All rights reserved.");
  37 __RCSID("$NetBSD: link.c,v 1.3 2008/04/28 20:24:16 martin Exp $");
  38 #endif
  39
  40 #include <locale.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <unistd.h>
  44
  45 int             main __P((int, char *[]));
  46 static void     usage __P((void));
  47
  48 int
  49 main(argc, argv)
  50         int argc;
  51         char *argv[];
  52 {
  53
  54         (void)setlocale(LC_ALL, "");
  55
  56         if (argc != 3)
  57                 usage();
  58
  59         if (link(argv[1], argv[2]) != 0) {
  60                 perror("link");
  61                 exit(EXIT_FAILURE);
  62         }
  63
  64         exit(EXIT_SUCCESS);
  65         /* NOTREACHED */
  66 }
  67
  68 static void
  69 usage()
  70 {
  71
  72         (void)fprintf(stderr, "usage: link file1 file2\n");
  73         exit(EXIT_FAILURE);
  74 }