/* vi: set sw=4 ts=4: */ /* * mkfifo implementation for busybox * * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ //config:config MKFIFO //config: bool "mkfifo (3.7 kb)" //config: default y //config: help //config: mkfifo is used to create FIFOs (named pipes). //config: The 'mknod' program can also create FIFOs. //applet:IF_MKFIFO(APPLET_NOEXEC(mkfifo, mkfifo, BB_DIR_USR_BIN, BB_SUID_DROP, mkfifo)) //kbuild:lib-$(CONFIG_MKFIFO) += mkfifo.o /* BB_AUDIT SUSv3 compliant */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/mkfifo.html */ //usage:#define mkfifo_trivial_usage //usage: "[-m MODE] " IF_SELINUX("[-Z] ") "NAME" //usage:#define mkfifo_full_usage "\n\n" //usage: "Create named pipe\n" //usage: "\n -m MODE Mode (default a=rw)" //usage: IF_SELINUX( //usage: "\n -Z Set security context" //usage: ) #include "libbb.h" #include "libcoreutils/coreutils.h" /* This is a NOEXEC applet. Be very careful! */ int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int mkfifo_main(int argc UNUSED_PARAM, char **argv) { mode_t mode; int retval = EXIT_SUCCESS; mode = getopt_mk_fifo_nod(argv); argv += optind; if (!*argv) { bb_show_usage(); } do { if (mkfifo(*argv, mode) < 0) { bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */ retval = EXIT_FAILURE; } } while (*++argv); return retval; }