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/* vi: set sw=4 ts=4: */
/*
* mknod implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
#include <sys/sysmacros.h> // For makedev
#include "libbb.h"
#include "libcoreutils/coreutils.h"
/* This is a NOEXEC applet. Be very careful! */
static const char modes_chars[] ALIGN1 = { '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) MAIN_EXTERNALLY_VISIBLE;
int mknod_main(int argc, char **argv)
{
mode_t mode;
dev_t dev;
const char *name;
mode = getopt_mk_fifo_nod(argv);
argv += optind;
argc -= optind;
if (argc >= 2) {
name = strchr(modes_chars, argv[1][0]);
if (name != NULL) {
mode |= modes_cubp[(int)(name[4])];
dev = 0;
if (*name != 'p') {
argc -= 2;
if (argc == 2) {
/* Autodetect what the system supports; these macros should
* optimize out to two constants. */
dev = makedev(xatoul_range(argv[2], 0, major(UINT_MAX)),
xatoul_range(argv[3], 0, minor(UINT_MAX)));
}
}
if (argc == 2) {
name = *argv;
if (mknod(name, mode, dev) == 0) {
return EXIT_SUCCESS;
}
bb_simple_perror_msg_and_die(name);
}
}
}
bb_show_usage();
}
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