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