Allow 'gzip -d' and 'bzip2 -d' without gunzip or bunzip2

[oweals/busybox.git] / coreutils / mkfifo.c

diff --git a/coreutils/mkfifo.c b/coreutils/mkfifo.c
index b273df04633abc38665bffb0412d4999b8546bcd..66509a9c05a2336555dd6c1a408e5f30c666e12f 100644 (file)
--- a/coreutils/mkfifo.c
+++ b/coreutils/mkfifo.c
@@ -1,69 +1,58 @@
 /* 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"
+//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\n"
-       "Creates a named pipe (identical to 'mknod name p')\n\n"
+#include "libbb.h"
+#include "libcoreutils/coreutils.h"
 
-       "Options:\n"
-       "\t-m\tcreate the pipe using the specified mode (default a=rw)\n";
+/* This is a NOEXEC applet. Be very careful! */
 
-extern int mkfifo_main(int argc, char **argv)
+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;
 }