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 #include "libbb.h"
  14 #include "libcoreutils/coreutils.h"
  15
  16 /* This is a NOEXEC applet. Be very careful! */
  17
  18 int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  19 int mkfifo_main(int argc UNUSED_PARAM, char **argv)
  20 {
  21         mode_t mode;
  22         int retval = EXIT_SUCCESS;
  23
  24         mode = getopt_mk_fifo_nod(argv);
  25
  26         argv += optind;
  27         if (!*argv) {
  28                 bb_show_usage();
  29         }
  30
  31         do {
  32                 if (mkfifo(*argv, mode) < 0) {
  33                         bb_simple_perror_msg(*argv);  /* Avoid multibyte problems. */
  34                         retval = EXIT_FAILURE;
  35                 }
  36         } while (*++argv);
  37
  38         return retval;
  39 }