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-rw-r--r--file_cmds/mknod/mknod.c405
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diff --git a/file_cmds/mknod/mknod.c b/file_cmds/mknod/mknod.c
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+++ b/file_cmds/mknod/mknod.c
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+/* $NetBSD: mknod.c,v 1.15 1998/09/11 07:22:13 mycroft Exp $ */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Charles M. Hannum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.\n");
+__RCSID("$NetBSD: mknod.c,v 1.15 1998/09/11 07:22:13 mycroft Exp $");
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+int main __P((int, char *[]));
+static void usage __P((void));
+typedef dev_t pack_t __P((int, u_long []));
+
+
+pack_t pack_native;
+
+dev_t
+pack_native(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev(numbers[0], numbers[1]);
+ if (major(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_netbsd(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
+#define minor_netbsd(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
+ (((x) & 0x000000ff) >> 0)))
+#define makedev_netbsd(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
+ (((y) << 12) & 0xfff00000) | \
+ (((y) << 0) & 0x000000ff)))
+
+pack_t pack_netbsd;
+
+dev_t
+pack_netbsd(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_netbsd(numbers[0], numbers[1]);
+ if (major_netbsd(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_netbsd(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
+#define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
+#define makedev_freebsd(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
+ (((y) << 0) & 0xffff00ff)))
+
+pack_t pack_freebsd;
+
+dev_t
+pack_freebsd(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_freebsd(numbers[0], numbers[1]);
+ if (major_freebsd(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_freebsd(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
+#define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
+#define makedev_8_8(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
+ (((y) << 0) & 0x000000ff)))
+
+pack_t pack_8_8;
+
+dev_t
+pack_8_8(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_8_8(numbers[0], numbers[1]);
+ if (major_8_8(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_8_8(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
+#define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
+#define makedev_12_20(x,y) ((dev_t)((((x) << 20) & 0xfff00000) | \
+ (((y) << 0) & 0x000fffff)))
+
+pack_t pack_12_20;
+
+dev_t
+pack_12_20(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_12_20(numbers[0], numbers[1]);
+ if (major_12_20(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_12_20(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
+#define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
+#define makedev_14_18(x,y) ((dev_t)((((x) << 18) & 0xfffc0000) | \
+ (((y) << 0) & 0x0003ffff)))
+
+pack_t pack_14_18;
+
+dev_t
+pack_14_18(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_14_18(numbers[0], numbers[1]);
+ if (major_14_18(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_14_18(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
+#define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
+#define makedev_8_24(x,y) ((dev_t)((((x) << 24) & 0xff000000) | \
+ (((y) << 0) & 0x00ffffff)))
+
+pack_t pack_8_24;
+
+dev_t
+pack_8_24(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_8_24(numbers[0], numbers[1]);
+ if (major_8_24(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_8_24(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+#define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
+#define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
+#define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
+#define makedev_12_12_8(x,y,z) ((dev_t)((((x) << 20) & 0xfff00000) | \
+ (((y) << 8) & 0x000fff00) | \
+ (((z) << 0) & 0x000000ff)))
+
+pack_t pack_bsdos;
+
+dev_t
+pack_bsdos(n, numbers)
+ int n;
+ u_long numbers[];
+{
+ dev_t dev=0; /* Quiet -Wall */
+
+ if (n == 2) {
+ dev = makedev_12_20(numbers[0], numbers[1]);
+ if (major_12_20(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (minor_12_20(dev) != numbers[1])
+ errx(1, "invalid minor number");
+ } else if (n == 3) {
+ dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
+ if (major_12_12_8(dev) != numbers[0])
+ errx(1, "invalid major number");
+ if (unit_12_12_8(dev) != numbers[1])
+ errx(1, "invalid unit number");
+ if (subunit_12_12_8(dev) != numbers[2])
+ errx(1, "invalid subunit number");
+ } else
+ errx(1, "too many fields for format");
+ return (dev);
+}
+
+
+struct format {
+ char *name;
+ pack_t *pack;
+} formats[] = {
+ {"386bsd", pack_8_8},
+ {"4bsd", pack_8_8},
+ {"bsdos", pack_bsdos},
+ {"freebsd", pack_freebsd},
+ {"hpux", pack_8_24},
+ {"isc", pack_8_8},
+ {"linux", pack_8_8},
+ {"native", pack_native},
+ {"netbsd", pack_netbsd},
+ {"osf1", pack_12_20},
+ {"sco", pack_8_8},
+ {"solaris", pack_14_18},
+ {"sunos", pack_8_8},
+ {"svr3", pack_8_8},
+ {"svr4", pack_14_18},
+ {"ultrix", pack_8_8},
+};
+
+int compare_format __P((const void *, const void *));
+
+int
+compare_format(key, element)
+ const void *key;
+ const void *element;
+{
+ const char *name;
+ const struct format *format;
+
+ name = key;
+ format = element;
+
+ return (strcmp(name, format->name));
+}
+
+
+int
+main(argc, argv)
+ int argc;
+ char **argv;
+{
+ char *name;
+ mode_t mode;
+ dev_t dev;
+ pack_t *pack;
+ u_long numbers[8];
+ struct format *format;
+ char *p;
+ int n;
+ int ch;
+
+ pack = pack_native;
+
+ while ((ch = getopt(argc, argv, "F:")) != -1) {
+ switch (ch) {
+ case 'F':
+ format = bsearch(optarg, formats,
+ sizeof(formats)/sizeof(formats[0]),
+ sizeof(formats[0]), compare_format);
+ if (format == 0)
+ errx(1, "invalid format: %s", optarg);
+ pack = format->pack;
+ break;
+
+ default:
+ case '?':
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 2 || argc > 10)
+ usage();
+
+ name = *argv;
+ argc--;
+ argv++;
+
+ mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
+ if (*argv[0] == 'c')
+ mode |= S_IFCHR;
+ else if (*argv[0] == 'b')
+ mode |= S_IFBLK;
+ else if (*argv[0] == 'w')
+ mode |= S_IFWHT;
+ else
+ errx(1, "node type must be 'b' or 'c' or 'w'.");
+ argc--;
+ argv++;
+
+ for (n = 0; n < argc; n++) {
+ if (S_ISWHT(mode)) {
+ errx(1, "whiteout nodes have no device numbers.");
+ }
+ numbers[n] = strtoul(argv[n], &p, 0);
+ if ((p && *p != '\0') || (numbers[n] == ULONG_MAX && errno == ERANGE))
+ errx(1, "invalid number: %s", argv[n]);
+ }
+
+ if (S_ISWHT(mode))
+ dev = 0;
+ else if (argc == 1)
+ dev = (dev_t)numbers[0];
+ else
+ dev = (*pack)(argc, numbers);
+
+#if 0
+ printf("name: %s\nmode: %05o\ndev: %08x\n", name, mode, dev);
+#else
+ if (mknod(name, mode, dev) < 0)
+ err(1, "%s", name);
+#endif
+
+ exit(0);
+}
+
+void
+usage()
+{
+
+ fprintf(stderr, "usage: mknod [-F format] name [b | c] major minor\n");
+ fprintf(stderr, " mknod [-F format] name [b | c] major unit subunit\n");
+ fprintf(stderr, " mknod name [b | c] number\n");
+ fprintf(stderr, " mknod name w\n");
+ exit(1);
+}
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