LXR toybox/toys/posix/mkfifo.c

   1/* mkfifo.c - Create FIFOs (named pipes)
   2 *
   3 * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org>
   4 *
   5 * See http://opengroup.org/onlinepubs/9699919799/utilities/mkfifo.html
   6
   7USE_MKFIFO(NEWTOY(mkfifo, "<1"USE_MKFIFO_Z("Z:")"m:", TOYFLAG_USR|TOYFLAG_BIN))
   8
   9config MKFIFO
  10  bool "mkfifo"
  11  default y
  12  help
  13    usage: mkfifo [NAME...]
  14
  15    Create FIFOs (named pipes).
  16
  17config MKFIFO_Z
  18  bool
  19  default y
  20  depends on MKFIFO && !TOYBOX_LSM_NONE
  21  help
  22    usage: mkfifo [-Z CONTEXT]
  23
  24    -Z  Security context
  25*/
  26
  27#define FOR_mkfifo
  28#include "toys.h"
  29
  30GLOBALS(
  31  char *m_string;
  32  char *Z;
  33
  34  mode_t mode;
  35)
  36
  37void mkfifo_main(void)
  38{
  39  char **s;
  40
  41  TT.mode = 0666;
  42  if (toys.optflags & FLAG_m) TT.mode = string_to_mode(TT.m_string, 0);
  43
  44  if (CFG_MKFIFO_Z && (toys.optflags&FLAG_Z))
  45    if (0>lsm_set_create(TT.Z))
  46      perror_exit("-Z '%s' failed", TT.Z);
  47
  48  for (s = toys.optargs; *s; s++)
  49    if (mknod(*s, S_IFIFO | TT.mode, 0) < 0) perror_msg_raw(*s);
  50}
  51