Prex Home / Browse Source - Prex Version: 0.9.0

root/usr/bin/rm/rm.c

DEFINITIONS

1. usage
2. main

   1 /*
   2  * Copyright (c) 2005-2009, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #include <unistd.h>
  31 #include <err.h>
  32 #include <errno.h>
  33 #include <stdlib.h>
  34 #include <stdio.h>
  36 #ifdef CMDBOX
  37 #define main(argc, argv)        rm_main(argc, argv)
  38 #endif
  40 static void
usage(void)
  42 {
fprintf(stderr, "usage: rm file...\n");
exit(1);
  46 }
  48 int
main(int argc, char *argv[])
  50 {
  51         int ch, rc;
  53         while ((ch = getopt(argc, argv, "")) != -1)
  54                 switch(ch) {
  55                 case '?':
  56                 default:
usage();
  58                 }
argc -= optind;
argv += optind;
  62         if (argc == 0) {
usage();
  64                 return 0;
  65         }
rc = 0;
  67         do {
  68                 if ((rc = unlink(*argv)) < 0)
  69                         break;
  70                 ++argv;
  71         } while (*argv);
  73         if (rc < 0)
err(1, "%s", *argv);
exit(rc);
  77 }