1f5e25bf3e
limit checking autodetects what the system supports (at compile time).
66 lines
1.9 KiB
C
66 lines
1.9 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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "busybox.h"
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#include "libcoreutils/coreutils.h"
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static const char modes_chars[] = { '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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extern 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; thexe macros should
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* optimize out to two constants. */
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dev = makedev(bb_xgetularg10_bnd(argv[2], 0, major(UINT_MAX)),
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bb_xgetularg10_bnd(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_perror_msg_and_die("%s", name);
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}
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}
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bb_show_usage();
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}
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