/* vi: set sw=4 ts=4: */
/*
- * Mini mkfifo implementation for busybox
+ * mkfifo implementation for busybox
*
- * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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 */
-#include "internal.h"
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
+//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: )
-static const char mkfifo_usage[] = "mkfifo [OPTIONS] name\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
- "\nCreates a named pipe (identical to 'mknod name p')\n\n"
- "Options:\n"
- "\t-m\tcreate the pipe using the specified mode (default a=rw)\n"
-#endif
- ;
+#include "libbb.h"
+#include "libcoreutils/coreutils.h"
-extern int mkfifo_main(int argc, char **argv)
+/* 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)
{
- char *thisarg;
- mode_t mode = 0666;
+ mode_t mode;
+ int retval = EXIT_SUCCESS;
- argc--;
- argv++;
+ mode = getopt_mk_fifo_nod(argv);
- /* Parse any options */
- while (argc > 1) {
- if (**argv != '-')
- usage(mkfifo_usage);
- thisarg = *argv;
- thisarg++;
- switch (*thisarg) {
- case 'm':
- argc--;
- argv++;
- parse_mode(*argv, &mode);
- break;
- default:
- usage(mkfifo_usage);
- }
- argc--;
- argv++;
- }
- if (argc < 1)
- usage(mkfifo_usage);
- if (mkfifo(*argv, mode) < 0) {
- perror("mkfifo");
- exit(255);
- } else {
- exit(TRUE);
+ 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;
}