1 /* $NetBSD: pack_dev.c,v 1.12 2013/06/14 16:28:20 tsutsui Exp $ */
4 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
32 /* Originally from NetBSD's mknod(8) source. */
34 #include "archive_platform.h"
37 #include <sys/cdefs.h>
54 #ifdef HAVE_SYS_TYPES_H
55 #include <sys/types.h>
57 #ifdef HAVE_SYS_STAT_H
64 #include "archive_pack_dev.h"
66 static pack_t pack_netbsd;
67 static pack_t pack_freebsd;
68 static pack_t pack_8_8;
69 static pack_t pack_12_20;
70 static pack_t pack_14_18;
71 static pack_t pack_8_24;
72 static pack_t pack_bsdos;
73 static int compare_format(const void *, const void *);
75 static const char iMajorError[] = "invalid major number";
76 static const char iMinorError[] = "invalid minor number";
77 static const char tooManyFields[] = "too many fields for format";
79 /* This is blatantly stolen from libarchive/archive_entry.c,
80 * in an attempt to get this to play nice on MinGW... */
81 #if !defined(HAVE_MAJOR) && !defined(major)
82 /* Replacement for major/minor/makedev. */
83 #define major(x) ((int)(0x00ff & ((x) >> 8)))
84 #define minor(x) ((int)(0xffff00ff & (x)))
85 #define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min)))
88 /* Play games to come up with a suitable makedev() definition. */
91 #include <sys/netmgr.h>
92 #define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
94 /* There's a "makedev" macro. */
95 #define apd_makedev(maj, min) makedev((maj), (min))
96 #elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__))
98 #define apd_makedev(maj, min) mkdev((maj), (min))
100 /* There's a "makedev" function. */
101 #define apd_makedev(maj, min) makedev((maj), (min))
106 pack_native(int n, unsigned long numbers[], const char **error)
111 dev = apd_makedev(numbers[0], numbers[1]);
112 if ((unsigned long)major(dev) != numbers[0])
113 *error = iMajorError;
114 else if ((unsigned long)minor(dev) != numbers[1])
115 *error = iMinorError;
117 *error = tooManyFields;
123 pack_netbsd(int n, unsigned long numbers[], const char **error)
128 dev = makedev_netbsd(numbers[0], numbers[1]);
129 if ((unsigned long)major_netbsd(dev) != numbers[0])
130 *error = iMajorError;
131 else if ((unsigned long)minor_netbsd(dev) != numbers[1])
132 *error = iMinorError;
134 *error = tooManyFields;
139 #define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
140 #define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
141 #define makedev_freebsd(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
142 (((y) << 0) & 0xffff00ff)))
145 pack_freebsd(int n, unsigned long numbers[], const char **error)
150 dev = makedev_freebsd(numbers[0], numbers[1]);
151 if ((unsigned long)major_freebsd(dev) != numbers[0])
152 *error = iMajorError;
153 if ((unsigned long)minor_freebsd(dev) != numbers[1])
154 *error = iMinorError;
156 *error = tooManyFields;
161 #define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
162 #define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
163 #define makedev_8_8(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
164 (((y) << 0) & 0x000000ff)))
167 pack_8_8(int n, unsigned long numbers[], const char **error)
172 dev = makedev_8_8(numbers[0], numbers[1]);
173 if ((unsigned long)major_8_8(dev) != numbers[0])
174 *error = iMajorError;
175 if ((unsigned long)minor_8_8(dev) != numbers[1])
176 *error = iMinorError;
178 *error = tooManyFields;
183 #define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
184 #define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
185 #define makedev_12_20(x,y) ((dev_t)((((x) << 20) & 0xfff00000) | \
186 (((y) << 0) & 0x000fffff)))
189 pack_12_20(int n, unsigned long numbers[], const char **error)
194 dev = makedev_12_20(numbers[0], numbers[1]);
195 if ((unsigned long)major_12_20(dev) != numbers[0])
196 *error = iMajorError;
197 if ((unsigned long)minor_12_20(dev) != numbers[1])
198 *error = iMinorError;
200 *error = tooManyFields;
205 #define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
206 #define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
207 #define makedev_14_18(x,y) ((dev_t)((((x) << 18) & 0xfffc0000) | \
208 (((y) << 0) & 0x0003ffff)))
211 pack_14_18(int n, unsigned long numbers[], const char **error)
216 dev = makedev_14_18(numbers[0], numbers[1]);
217 if ((unsigned long)major_14_18(dev) != numbers[0])
218 *error = iMajorError;
219 if ((unsigned long)minor_14_18(dev) != numbers[1])
220 *error = iMinorError;
222 *error = tooManyFields;
227 #define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
228 #define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
229 #define makedev_8_24(x,y) ((dev_t)((((x) << 24) & 0xff000000) | \
230 (((y) << 0) & 0x00ffffff)))
233 pack_8_24(int n, unsigned long numbers[], const char **error)
238 dev = makedev_8_24(numbers[0], numbers[1]);
239 if ((unsigned long)major_8_24(dev) != numbers[0])
240 *error = iMajorError;
241 if ((unsigned long)minor_8_24(dev) != numbers[1])
242 *error = iMinorError;
244 *error = tooManyFields;
249 #define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
250 #define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
251 #define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
252 #define makedev_12_12_8(x,y,z) ((dev_t)((((x) << 20) & 0xfff00000) | \
253 (((y) << 8) & 0x000fff00) | \
254 (((z) << 0) & 0x000000ff)))
257 pack_bsdos(int n, unsigned long numbers[], const char **error)
262 dev = makedev_12_20(numbers[0], numbers[1]);
263 if ((unsigned long)major_12_20(dev) != numbers[0])
264 *error = iMajorError;
265 if ((unsigned long)minor_12_20(dev) != numbers[1])
266 *error = iMinorError;
268 dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
269 if ((unsigned long)major_12_12_8(dev) != numbers[0])
270 *error = iMajorError;
271 if ((unsigned long)unit_12_12_8(dev) != numbers[1])
272 *error = "invalid unit number";
273 if ((unsigned long)subunit_12_12_8(dev) != numbers[2])
274 *error = "invalid subunit number";
276 *error = tooManyFields;
281 /* list of formats and pack functions */
282 /* this list must be sorted lexically */
283 static struct format {
287 {"386bsd", pack_8_8},
289 {"bsdos", pack_bsdos},
290 {"freebsd", pack_freebsd},
294 {"native", pack_native},
295 {"netbsd", pack_netbsd},
296 {"osf1", pack_12_20},
298 {"solaris", pack_14_18},
301 {"svr4", pack_14_18},
302 {"ultrix", pack_8_8},
306 compare_format(const void *key, const void *element)
309 const struct format *format;
314 return (strcmp(name, format->name));
319 pack_find(const char *name)
321 struct format *format;
323 format = bsearch(name, formats,
324 sizeof(formats)/sizeof(formats[0]),
325 sizeof(formats[0]), compare_format);
328 return (format->pack);