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
61 #include <sys/mkdev.h>
63 #elif MAJOR_IN_SYSMACROS
64 #include <sys/sysmacros.h>
71 #include "archive_pack_dev.h"
73 static pack_t pack_netbsd;
74 static pack_t pack_freebsd;
75 static pack_t pack_8_8;
76 static pack_t pack_12_20;
77 static pack_t pack_14_18;
78 static pack_t pack_8_24;
79 static pack_t pack_bsdos;
80 static int compare_format(const void *, const void *);
82 static const char iMajorError[] = "invalid major number";
83 static const char iMinorError[] = "invalid minor number";
84 static const char tooManyFields[] = "too many fields for format";
86 /* This is blatantly stolen from libarchive/archive_entry.c,
87 * in an attempt to get this to play nice on MinGW... */
88 #if !defined(HAVE_MAJOR) && !defined(major)
89 /* Replacement for major/minor/makedev. */
90 #define major(x) ((int)(0x00ff & ((x) >> 8)))
91 #define minor(x) ((int)(0xffff00ff & (x)))
92 #define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min)))
95 /* Play games to come up with a suitable makedev() definition. */
98 #include <sys/netmgr.h>
99 #define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
100 #elif defined makedev
101 /* There's a "makedev" macro. */
102 #define apd_makedev(maj, min) makedev((maj), (min))
103 #elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__))
104 /* Windows. <sigh> */
105 #define apd_makedev(maj, min) mkdev((maj), (min))
107 /* There's a "makedev" function. */
108 #define apd_makedev(maj, min) makedev((maj), (min))
113 pack_native(int n, unsigned long numbers[], const char **error)
118 dev = apd_makedev(numbers[0], numbers[1]);
119 if ((unsigned long)major(dev) != numbers[0])
120 *error = iMajorError;
121 else if ((unsigned long)minor(dev) != numbers[1])
122 *error = iMinorError;
124 *error = tooManyFields;
130 pack_netbsd(int n, unsigned long numbers[], const char **error)
135 dev = makedev_netbsd(numbers[0], numbers[1]);
136 if ((unsigned long)major_netbsd(dev) != numbers[0])
137 *error = iMajorError;
138 else if ((unsigned long)minor_netbsd(dev) != numbers[1])
139 *error = iMinorError;
141 *error = tooManyFields;
146 #define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
147 #define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
148 #define makedev_freebsd(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
149 (((y) << 0) & 0xffff00ff)))
152 pack_freebsd(int n, unsigned long numbers[], const char **error)
157 dev = makedev_freebsd(numbers[0], numbers[1]);
158 if ((unsigned long)major_freebsd(dev) != numbers[0])
159 *error = iMajorError;
160 if ((unsigned long)minor_freebsd(dev) != numbers[1])
161 *error = iMinorError;
163 *error = tooManyFields;
168 #define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
169 #define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
170 #define makedev_8_8(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
171 (((y) << 0) & 0x000000ff)))
174 pack_8_8(int n, unsigned long numbers[], const char **error)
179 dev = makedev_8_8(numbers[0], numbers[1]);
180 if ((unsigned long)major_8_8(dev) != numbers[0])
181 *error = iMajorError;
182 if ((unsigned long)minor_8_8(dev) != numbers[1])
183 *error = iMinorError;
185 *error = tooManyFields;
190 #define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
191 #define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
192 #define makedev_12_20(x,y) ((dev_t)((((x) << 20) & 0xfff00000) | \
193 (((y) << 0) & 0x000fffff)))
196 pack_12_20(int n, unsigned long numbers[], const char **error)
201 dev = makedev_12_20(numbers[0], numbers[1]);
202 if ((unsigned long)major_12_20(dev) != numbers[0])
203 *error = iMajorError;
204 if ((unsigned long)minor_12_20(dev) != numbers[1])
205 *error = iMinorError;
207 *error = tooManyFields;
212 #define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
213 #define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
214 #define makedev_14_18(x,y) ((dev_t)((((x) << 18) & 0xfffc0000) | \
215 (((y) << 0) & 0x0003ffff)))
218 pack_14_18(int n, unsigned long numbers[], const char **error)
223 dev = makedev_14_18(numbers[0], numbers[1]);
224 if ((unsigned long)major_14_18(dev) != numbers[0])
225 *error = iMajorError;
226 if ((unsigned long)minor_14_18(dev) != numbers[1])
227 *error = iMinorError;
229 *error = tooManyFields;
234 #define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
235 #define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
236 #define makedev_8_24(x,y) ((dev_t)((((x) << 24) & 0xff000000) | \
237 (((y) << 0) & 0x00ffffff)))
240 pack_8_24(int n, unsigned long numbers[], const char **error)
245 dev = makedev_8_24(numbers[0], numbers[1]);
246 if ((unsigned long)major_8_24(dev) != numbers[0])
247 *error = iMajorError;
248 if ((unsigned long)minor_8_24(dev) != numbers[1])
249 *error = iMinorError;
251 *error = tooManyFields;
256 #define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
257 #define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
258 #define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
259 #define makedev_12_12_8(x,y,z) ((dev_t)((((x) << 20) & 0xfff00000) | \
260 (((y) << 8) & 0x000fff00) | \
261 (((z) << 0) & 0x000000ff)))
264 pack_bsdos(int n, unsigned long numbers[], const char **error)
269 dev = makedev_12_20(numbers[0], numbers[1]);
270 if ((unsigned long)major_12_20(dev) != numbers[0])
271 *error = iMajorError;
272 if ((unsigned long)minor_12_20(dev) != numbers[1])
273 *error = iMinorError;
275 dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
276 if ((unsigned long)major_12_12_8(dev) != numbers[0])
277 *error = iMajorError;
278 if ((unsigned long)unit_12_12_8(dev) != numbers[1])
279 *error = "invalid unit number";
280 if ((unsigned long)subunit_12_12_8(dev) != numbers[2])
281 *error = "invalid subunit number";
283 *error = tooManyFields;
288 /* list of formats and pack functions */
289 /* this list must be sorted lexically */
290 static const struct format {
294 {"386bsd", pack_8_8},
296 {"bsdos", pack_bsdos},
297 {"freebsd", pack_freebsd},
301 {"native", pack_native},
302 {"netbsd", pack_netbsd},
303 {"osf1", pack_12_20},
305 {"solaris", pack_14_18},
308 {"svr4", pack_14_18},
309 {"ultrix", pack_8_8},
313 compare_format(const void *key, const void *element)
316 const struct format *format;
321 return (strcmp(name, format->name));
326 pack_find(const char *name)
328 struct format *format;
330 format = bsearch(name, formats,
331 sizeof(formats)/sizeof(formats[0]),
332 sizeof(formats[0]), compare_format);
335 return (format->pack);