+/* 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 "internal.h"
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
+#include <stdlib.h>
+#include <string.h>
#include <sys/stat.h>
-#include <fcntl.h>
+#include <sys/sysmacros.h> // For makedev
#include <unistd.h>
+#include "busybox.h"
+#include "libcoreutils/coreutils.h"
-static const char mknod_usage[] = "mknod [OPTION]... NAME TYPE MAJOR MINOR\n\n"
-"Make block or character special files.\n\n"
-"Options:\n"
-"\tb:\tMake a block (buffered) device.\n"
-"\tc or u:\tMake a character (un-buffered) device.\n"
-"\tp:\tMake a named pipe. Major and minor are ignored for named pipes.\n";
+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)
+int mknod_main(int argc, char **argv)
{
- mode_t mode = 0;
- dev_t dev = 0;
+ mode_t mode;
+ dev_t dev;
+ const char *name;
- switch(argv[2][0]) {
- case 'c':
- case 'u':
- mode = S_IFCHR;
- break;
- case 'b':
- mode = S_IFBLK;
- break;
- case 'p':
- mode = S_IFIFO;
- break;
- default:
- usage (mknod_usage);
- }
+ mode = getopt_mk_fifo_nod(argc, argv);
+ argv += optind;
+ argc -= optind;
- if ( mode == S_IFCHR || mode == S_IFBLK ) {
- dev = (atoi(argv[3]) << 8) | atoi(argv[4]);
- if ( argc != 5 ) {
- usage (mknod_usage);
- }
- }
+ if ((argc >= 2) && ((name = strchr(modes_chars, argv[1][0])) != NULL)) {
+ mode |= modes_cubp[(int)(name[4])];
- mode |= 0666;
+ 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)));
+ }
- if ( mknod(argv[1], mode, dev) != 0 ) {
- perror(argv[1]);
- return( FALSE);
+ if (argc == 2) {
+ name = *argv;
+ if (mknod(name, mode, dev) == 0) {
+ return EXIT_SUCCESS;
+ }
+ bb_perror_msg_and_die("%s", name);
+ }
}
- return( TRUE);
+ bb_show_usage();
}