/* vi: set sw=4 ts=4: */
/*
- * Mini mknod implementation for busybox
+ * mknod implementation for busybox
*
- * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.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
*
*/
-#include "busybox.h"
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <fcntl.h>
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h> // For makedev
#include <unistd.h>
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
+
+static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
+static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
int mknod_main(int argc, char **argv)
{
- char *thisarg;
- mode_t mode = 0;
- mode_t perm = 0666;
- dev_t dev = 0;
+ mode_t mode;
+ dev_t dev;
+ const char *name;
- argc--;
- argv++;
+ mode = getopt_mk_fifo_nod(argc, argv);
+ argv += optind;
+ argc -= optind;
- /* Parse any options */
- while (argc > 1) {
- if (**argv != '-')
- break;
- thisarg = *argv;
- thisarg++;
- switch (*thisarg) {
- case 'm':
- argc--;
- argv++;
- parse_mode(*argv, &perm);
- umask(0);
- break;
- default:
- usage(mknod_usage);
- }
- argc--;
- argv++;
- }
- if (argc != 4 && argc != 2) {
- usage(mknod_usage);
- }
- switch (argv[1][0]) {
- case 'c':
- case 'u':
- mode = S_IFCHR;
- break;
- case 'b':
- mode = S_IFBLK;
- break;
- case 'p':
- mode = S_IFIFO;
- if (argc!=2) {
- usage(mknod_usage);
+ if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) {
+ mode |= modes_cubp[(int)(name[4])];
+
+ dev = 0;
+ if ((*name != 'p') && ((argc -= 2) == 2)) {
+ /* Autodetect what the system supports; thexe macros should
+ * optimize out to two constants. */
+ dev = makedev(bb_xgetularg10_bnd(argv[2], 0, major(UINT_MAX)),
+ bb_xgetularg10_bnd(argv[3], 0, minor(UINT_MAX)));
}
- break;
- default:
- usage(mknod_usage);
- }
- if (mode == S_IFCHR || mode == S_IFBLK) {
- dev = (atoi(argv[2]) << 8) | atoi(argv[3]);
+ if (argc == 2) {
+ name = *argv;
+ if (mknod(name, mode, dev) == 0) {
+ return EXIT_SUCCESS;
+ }
+ bb_perror_msg_and_die("%s", name);
+ }
}
-
- mode |= perm;
-
- if (mknod(argv[0], mode, dev) != 0)
- perror_msg_and_die("%s", argv[0]);
- return EXIT_SUCCESS;
+ bb_show_usage();
}
-