2d1a78b88f
Signed-off-by: Dan Fandrich <dan@coneharvesters.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/* 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();
|
|
}
|