LXR busybox/coreutils/mkfifo.c

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * mkfifo implementation for busybox
   4 *
   5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
   6 *
   7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8 */
   9
  10/* BB_AUDIT SUSv3 compliant */
  11/* http://www.opengroup.org/onlinepubs/007904975/utilities/mkfifo.html */
  12
  13//usage:#define mkfifo_trivial_usage
  14//usage:       "[-m MODE] " IF_SELINUX("[-Z] ") "NAME"
  15//usage:#define mkfifo_full_usage "\n\n"
  16//usage:       "Create named pipe\n"
  17//usage:     "\n        -m MODE Mode (default a=rw)"
  18//usage:        IF_SELINUX(
  19//usage:     "\n        -Z      Set security context"
  20//usage:        )
  21
  22#include "libbb.h"
  23#include "libcoreutils/coreutils.h"
  24
  25/* This is a NOEXEC applet. Be very careful! */
  26
  27int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  28int mkfifo_main(int argc UNUSED_PARAM, char **argv)
  29{
  30        mode_t mode;
  31        int retval = EXIT_SUCCESS;
  32
  33        mode = getopt_mk_fifo_nod(argv);
  34
  35        argv += optind;
  36        if (!*argv) {
  37                bb_show_usage();
  38        }
  39
  40        do {
  41                if (mkfifo(*argv, mode) < 0) {
  42                        bb_simple_perror_msg(*argv);  /* Avoid multibyte problems. */
  43                        retval = EXIT_FAILURE;
  44                }
  45        } while (*++argv);
  46
  47        return retval;
  48}
  49