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
60 #ifdef HAVE_SYS_SYSMACROS_H
61 #include <sys/sysmacros.h>
67 #include "archive_pack_dev.h"
69 static pack_t pack_netbsd;
70 static pack_t pack_freebsd;
71 static pack_t pack_8_8;
72 static pack_t pack_12_20;
73 static pack_t pack_14_18;
74 static pack_t pack_8_24;
75 static pack_t pack_bsdos;
76 static int compare_format(const void *, const void *);
78 static const char iMajorError[] = "invalid major number";
79 static const char iMinorError[] = "invalid minor number";
80 static const char tooManyFields[] = "too many fields for format";
82 /* This is blatantly stolen from libarchive/archive_entry.c,
83 * in an attempt to get this to play nice on MinGW... */
84 #if !defined(HAVE_MAJOR) && !defined(major)
85 /* Replacement for major/minor/makedev. */
86 #define major(x) ((int)(0x00ff & ((x) >> 8)))
87 #define minor(x) ((int)(0xffff00ff & (x)))
88 #define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min)))
91 /* Play games to come up with a suitable makedev() definition. */
94 #include <sys/netmgr.h>
95 #define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
97 /* There's a "makedev" macro. */
98 #define apd_makedev(maj, min) makedev((maj), (min))
99 #elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__))
100 /* Windows. <sigh> */
101 #define apd_makedev(maj, min) mkdev((maj), (min))
103 /* There's a "makedev" function. */
104 #define apd_makedev(maj, min) makedev((maj), (min))
109 pack_native(int n, unsigned long numbers[], const char **error)
114 dev = apd_makedev(numbers[0], numbers[1]);
115 if ((unsigned long)major(dev) != numbers[0])
116 *error = iMajorError;
117 else if ((unsigned long)minor(dev) != numbers[1])
118 *error = iMinorError;
120 *error = tooManyFields;
126 pack_netbsd(int n, unsigned long numbers[], const char **error)
131 dev = makedev_netbsd(numbers[0], numbers[1]);
132 if ((unsigned long)major_netbsd(dev) != numbers[0])
133 *error = iMajorError;
134 else if ((unsigned long)minor_netbsd(dev) != numbers[1])
135 *error = iMinorError;
137 *error = tooManyFields;
142 #define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
143 #define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
144 #define makedev_freebsd(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
145 (((y) << 0) & 0xffff00ff)))
148 pack_freebsd(int n, unsigned long numbers[], const char **error)
153 dev = makedev_freebsd(numbers[0], numbers[1]);
154 if ((unsigned long)major_freebsd(dev) != numbers[0])
155 *error = iMajorError;
156 if ((unsigned long)minor_freebsd(dev) != numbers[1])
157 *error = iMinorError;
159 *error = tooManyFields;
164 #define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
165 #define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
166 #define makedev_8_8(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
167 (((y) << 0) & 0x000000ff)))
170 pack_8_8(int n, unsigned long numbers[], const char **error)
175 dev = makedev_8_8(numbers[0], numbers[1]);
176 if ((unsigned long)major_8_8(dev) != numbers[0])
177 *error = iMajorError;
178 if ((unsigned long)minor_8_8(dev) != numbers[1])
179 *error = iMinorError;
181 *error = tooManyFields;
186 #define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
187 #define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
188 #define makedev_12_20(x,y) ((dev_t)((((x) << 20) & 0xfff00000) | \
189 (((y) << 0) & 0x000fffff)))
192 pack_12_20(int n, unsigned long numbers[], const char **error)
197 dev = makedev_12_20(numbers[0], numbers[1]);
198 if ((unsigned long)major_12_20(dev) != numbers[0])
199 *error = iMajorError;
200 if ((unsigned long)minor_12_20(dev) != numbers[1])
201 *error = iMinorError;
203 *error = tooManyFields;
208 #define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
209 #define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
210 #define makedev_14_18(x,y) ((dev_t)((((x) << 18) & 0xfffc0000) | \
211 (((y) << 0) & 0x0003ffff)))
214 pack_14_18(int n, unsigned long numbers[], const char **error)
219 dev = makedev_14_18(numbers[0], numbers[1]);
220 if ((unsigned long)major_14_18(dev) != numbers[0])
221 *error = iMajorError;
222 if ((unsigned long)minor_14_18(dev) != numbers[1])
223 *error = iMinorError;
225 *error = tooManyFields;
230 #define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
231 #define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
232 #define makedev_8_24(x,y) ((dev_t)((((x) << 24) & 0xff000000) | \
233 (((y) << 0) & 0x00ffffff)))
236 pack_8_24(int n, unsigned long numbers[], const char **error)
241 dev = makedev_8_24(numbers[0], numbers[1]);
242 if ((unsigned long)major_8_24(dev) != numbers[0])
243 *error = iMajorError;
244 if ((unsigned long)minor_8_24(dev) != numbers[1])
245 *error = iMinorError;
247 *error = tooManyFields;
252 #define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
253 #define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
254 #define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
255 #define makedev_12_12_8(x,y,z) ((dev_t)((((x) << 20) & 0xfff00000) | \
256 (((y) << 8) & 0x000fff00) | \
257 (((z) << 0) & 0x000000ff)))
260 pack_bsdos(int n, unsigned long numbers[], const char **error)
265 dev = makedev_12_20(numbers[0], numbers[1]);
266 if ((unsigned long)major_12_20(dev) != numbers[0])
267 *error = iMajorError;
268 if ((unsigned long)minor_12_20(dev) != numbers[1])
269 *error = iMinorError;
271 dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
272 if ((unsigned long)major_12_12_8(dev) != numbers[0])
273 *error = iMajorError;
274 if ((unsigned long)unit_12_12_8(dev) != numbers[1])
275 *error = "invalid unit number";
276 if ((unsigned long)subunit_12_12_8(dev) != numbers[2])
277 *error = "invalid subunit number";
279 *error = tooManyFields;
284 /* list of formats and pack functions */
285 /* this list must be sorted lexically */
286 static const struct format {
290 {"386bsd", pack_8_8},
292 {"bsdos", pack_bsdos},
293 {"freebsd", pack_freebsd},
297 {"native", pack_native},
298 {"netbsd", pack_netbsd},
299 {"osf1", pack_12_20},
301 {"solaris", pack_14_18},
304 {"svr4", pack_14_18},
305 {"ultrix", pack_8_8},
309 compare_format(const void *key, const void *element)
312 const struct format *format;
317 return (strcmp(name, format->name));
322 pack_find(const char *name)
324 struct format *format;
326 format = bsearch(name, formats,
327 sizeof(formats)/sizeof(formats[0]),
328 sizeof(formats[0]), compare_format);
331 return (format->pack);