release/src/router/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
  27 int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  28 int 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 }