root / lab4 / .minix-src / include / isofs / cd9660 / iso.h @ 14
History | View | Annotate | Download (8.74 KB)
| 1 |
/* $NetBSD: iso.h,v 1.10 2011/09/27 01:01:44 christos Exp $ */
|
|---|---|
| 2 |
|
| 3 |
/*-
|
| 4 |
* Copyright (c) 1994
|
| 5 |
* The Regents of the University of California. All rights reserved.
|
| 6 |
*
|
| 7 |
* This code is derived from software contributed to Berkeley
|
| 8 |
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
|
| 9 |
* Support code is derived from software contributed to Berkeley
|
| 10 |
* by Atsushi Murai (amurai@spec.co.jp).
|
| 11 |
*
|
| 12 |
* Redistribution and use in source and binary forms, with or without
|
| 13 |
* modification, are permitted provided that the following conditions
|
| 14 |
* are met:
|
| 15 |
* 1. Redistributions of source code must retain the above copyright
|
| 16 |
* notice, this list of conditions and the following disclaimer.
|
| 17 |
* 2. Redistributions in binary form must reproduce the above copyright
|
| 18 |
* notice, this list of conditions and the following disclaimer in the
|
| 19 |
* documentation and/or other materials provided with the distribution.
|
| 20 |
* 3. Neither the name of the University nor the names of its contributors
|
| 21 |
* may be used to endorse or promote products derived from this software
|
| 22 |
* without specific prior written permission.
|
| 23 |
*
|
| 24 |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
| 25 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 26 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 27 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
| 28 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 29 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 30 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 31 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 32 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 33 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 34 |
* SUCH DAMAGE.
|
| 35 |
*
|
| 36 |
* @(#)iso.h 8.6 (Berkeley) 5/10/95
|
| 37 |
*/
|
| 38 |
|
| 39 |
/*
|
| 40 |
* Definitions describing ISO9660 file system structure, as well as
|
| 41 |
* the functions necessary to access fields of ISO9660 file system
|
| 42 |
* structures.
|
| 43 |
*/
|
| 44 |
|
| 45 |
#ifndef _ISOFS_CD9660_ISO_H_
|
| 46 |
#define _ISOFS_CD9660_ISO_H_
|
| 47 |
|
| 48 |
#define ISODCL(from, to) (to - from + 1) |
| 49 |
|
| 50 |
struct iso_volume_descriptor {
|
| 51 |
char type[ISODCL(1,1)]; /* 711 */ |
| 52 |
char id[ISODCL(2,6)]; |
| 53 |
char version[ISODCL(7,7)]; |
| 54 |
char data[ISODCL(8,2048)]; |
| 55 |
}; |
| 56 |
|
| 57 |
/* volume descriptor types */
|
| 58 |
#define ISO_VD_PRIMARY 1 |
| 59 |
#define ISO_VD_SUPPLEMENTARY 2 |
| 60 |
#define ISO_VD_END 255 |
| 61 |
|
| 62 |
#define ISO_STANDARD_ID "CD001" |
| 63 |
#define ISO_ECMA_ID "CDW01" |
| 64 |
|
| 65 |
#define ISO_MAXNAMLEN 255 |
| 66 |
|
| 67 |
struct iso_primary_descriptor {
|
| 68 |
char type [ISODCL ( 1, 1)]; /* 711 */ |
| 69 |
char id [ISODCL ( 2, 6)]; |
| 70 |
char version [ISODCL ( 7, 7)]; /* 711 */ |
| 71 |
char unused1 [ISODCL ( 8, 8)]; |
| 72 |
char system_id [ISODCL ( 9, 40)]; /* achars */ |
| 73 |
char volume_id [ISODCL ( 41, 72)]; /* dchars */ |
| 74 |
char unused2 [ISODCL ( 73, 80)]; |
| 75 |
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ |
| 76 |
char unused3 [ISODCL ( 89, 120)]; |
| 77 |
char volume_set_size [ISODCL (121, 124)]; /* 723 */ |
| 78 |
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ |
| 79 |
char logical_block_size [ISODCL (129, 132)]; /* 723 */ |
| 80 |
char path_table_size [ISODCL (133, 140)]; /* 733 */ |
| 81 |
char type_l_path_table [ISODCL (141, 144)]; /* 731 */ |
| 82 |
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ |
| 83 |
char type_m_path_table [ISODCL (149, 152)]; /* 732 */ |
| 84 |
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ |
| 85 |
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ |
| 86 |
char volume_set_id [ISODCL (191, 318)]; /* dchars */ |
| 87 |
char publisher_id [ISODCL (319, 446)]; /* achars */ |
| 88 |
char preparer_id [ISODCL (447, 574)]; /* achars */ |
| 89 |
char application_id [ISODCL (575, 702)]; /* achars */ |
| 90 |
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ |
| 91 |
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ |
| 92 |
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ |
| 93 |
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ |
| 94 |
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ |
| 95 |
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ |
| 96 |
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ |
| 97 |
char file_structure_version [ISODCL (882, 882)]; /* 711 */ |
| 98 |
char unused4 [ISODCL (883, 883)]; |
| 99 |
char application_data [ISODCL (884, 1395)]; |
| 100 |
char unused5 [ISODCL (1396, 2048)]; |
| 101 |
}; |
| 102 |
#define ISO_DEFAULT_BLOCK_SIZE 2048 |
| 103 |
|
| 104 |
struct iso_supplementary_descriptor {
|
| 105 |
char type [ISODCL ( 1, 1)]; /* 711 */ |
| 106 |
char id [ISODCL ( 2, 6)]; |
| 107 |
char version [ISODCL ( 7, 7)]; /* 711 */ |
| 108 |
char flags [ISODCL ( 8, 8)]; /* 711? */ |
| 109 |
char system_id [ISODCL ( 9, 40)]; /* achars */ |
| 110 |
char volume_id [ISODCL ( 41, 72)]; /* dchars */ |
| 111 |
char unused2 [ISODCL ( 73, 80)]; |
| 112 |
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ |
| 113 |
char escape [ISODCL ( 89, 120)]; |
| 114 |
char volume_set_size [ISODCL (121, 124)]; /* 723 */ |
| 115 |
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ |
| 116 |
char logical_block_size [ISODCL (129, 132)]; /* 723 */ |
| 117 |
char path_table_size [ISODCL (133, 140)]; /* 733 */ |
| 118 |
char type_l_path_table [ISODCL (141, 144)]; /* 731 */ |
| 119 |
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ |
| 120 |
char type_m_path_table [ISODCL (149, 152)]; /* 732 */ |
| 121 |
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ |
| 122 |
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ |
| 123 |
char volume_set_id [ISODCL (191, 318)]; /* dchars */ |
| 124 |
char publisher_id [ISODCL (319, 446)]; /* achars */ |
| 125 |
char preparer_id [ISODCL (447, 574)]; /* achars */ |
| 126 |
char application_id [ISODCL (575, 702)]; /* achars */ |
| 127 |
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ |
| 128 |
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ |
| 129 |
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ |
| 130 |
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ |
| 131 |
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ |
| 132 |
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ |
| 133 |
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ |
| 134 |
char file_structure_version [ISODCL (882, 882)]; /* 711 */ |
| 135 |
char unused4 [ISODCL (883, 883)]; |
| 136 |
char application_data [ISODCL (884, 1395)]; |
| 137 |
char unused5 [ISODCL (1396, 2048)]; |
| 138 |
}; |
| 139 |
|
| 140 |
struct iso_directory_record {
|
| 141 |
char length [ISODCL (1, 1)]; /* 711 */ |
| 142 |
char ext_attr_length [ISODCL (2, 2)]; /* 711 */ |
| 143 |
u_char extent [ISODCL (3, 10)]; /* 733 */ |
| 144 |
u_char size [ISODCL (11, 18)]; /* 733 */ |
| 145 |
char date [ISODCL (19, 25)]; /* 7 by 711 */ |
| 146 |
char flags [ISODCL (26, 26)]; |
| 147 |
char file_unit_size [ISODCL (27, 27)]; /* 711 */ |
| 148 |
char interleave [ISODCL (28, 28)]; /* 711 */ |
| 149 |
char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ |
| 150 |
char name_len [ISODCL (33, 33)]; /* 711 */ |
| 151 |
char name [1]; /* XXX */ |
| 152 |
}; |
| 153 |
/* can't take sizeof(iso_directory_record), because of possible alignment
|
| 154 |
of the last entry (34 instead of 33) */
|
| 155 |
#define ISO_DIRECTORY_RECORD_SIZE 33 |
| 156 |
|
| 157 |
struct iso_extended_attributes {
|
| 158 |
u_char owner [ISODCL (1, 4)]; /* 723 */ |
| 159 |
u_char group [ISODCL (5, 8)]; /* 723 */ |
| 160 |
u_char perm [ISODCL (9, 10)]; /* 9.5.3 */ |
| 161 |
char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */ |
| 162 |
char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */ |
| 163 |
char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */ |
| 164 |
char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */ |
| 165 |
char recfmt [ISODCL (79, 79)]; /* 711 */ |
| 166 |
char recattr [ISODCL (80, 80)]; /* 711 */ |
| 167 |
u_char reclen [ISODCL (81, 84)]; /* 723 */ |
| 168 |
char system_id [ISODCL (85, 116)]; /* achars */ |
| 169 |
char system_use [ISODCL (117, 180)]; |
| 170 |
char version [ISODCL (181, 181)]; /* 711 */ |
| 171 |
char len_esc [ISODCL (182, 182)]; /* 711 */ |
| 172 |
char reserved [ISODCL (183, 246)]; |
| 173 |
u_char len_au [ISODCL (247, 250)]; /* 723 */ |
| 174 |
}; |
| 175 |
|
| 176 |
/* 7.1.1: unsigned char */
|
| 177 |
static __inline __unused int |
| 178 |
isonum_711(const u_char *p)
|
| 179 |
{
|
| 180 |
return *p;
|
| 181 |
} |
| 182 |
|
| 183 |
/* 7.1.2: signed char */
|
| 184 |
static __inline __unused int |
| 185 |
isonum_712(const u_char *p)
|
| 186 |
{
|
| 187 |
return (signed char) *p; |
| 188 |
} |
| 189 |
|
| 190 |
/* 7.2.1: unsigned little-endian 16-bit value. NOT USED IN KERNEL. */
|
| 191 |
static __inline __unused uint16_t
|
| 192 |
isonum_721(const u_char *p)
|
| 193 |
{
|
| 194 |
return le16dec(p);
|
| 195 |
} |
| 196 |
|
| 197 |
/* 7.2.2: unsigned big-endian 16-bit value. NOT USED IN KERNEL. */
|
| 198 |
static __inline __unused uint16_t
|
| 199 |
isonum_722(const u_char *p)
|
| 200 |
{
|
| 201 |
return be16dec(p);
|
| 202 |
} |
| 203 |
|
| 204 |
/* 7.2.3: unsigned both-endian (little, then big) 16-bit value */
|
| 205 |
static __inline __unused uint16_t
|
| 206 |
isonum_723(const u_char *p)
|
| 207 |
{
|
| 208 |
#if BYTE_ORDER == BIG_ENDIAN
|
| 209 |
return be16dec(p + 2); |
| 210 |
#else
|
| 211 |
return le16dec(p);
|
| 212 |
#endif
|
| 213 |
} |
| 214 |
|
| 215 |
/* 7.3.1: unsigned little-endian 32-bit value. NOT USED IN KERNEL. */
|
| 216 |
static __inline __unused uint32_t
|
| 217 |
isonum_731(const u_char *p)
|
| 218 |
{
|
| 219 |
return le32dec(p);
|
| 220 |
} |
| 221 |
|
| 222 |
/* 7.3.2: unsigned big-endian 32-bit value. NOT USED IN KERNEL. */
|
| 223 |
static __inline __unused uint32_t
|
| 224 |
isonum_732(const u_char *p)
|
| 225 |
{
|
| 226 |
return be32dec(p);
|
| 227 |
} |
| 228 |
|
| 229 |
/* 7.3.3: unsigned both-endian (little, then big) 32-bit value */
|
| 230 |
static __inline __unused uint32_t
|
| 231 |
isonum_733(const u_char *p)
|
| 232 |
{
|
| 233 |
#if BYTE_ORDER == BIG_ENDIAN
|
| 234 |
return be32dec(p + 4); |
| 235 |
#else
|
| 236 |
return le32dec(p);
|
| 237 |
#endif
|
| 238 |
} |
| 239 |
|
| 240 |
/*
|
| 241 |
* Associated files have a leading '='.
|
| 242 |
*/
|
| 243 |
#define ASSOCCHAR '=' |
| 244 |
|
| 245 |
#endif /* _ISOFS_CD9660_ISO_H_ */ |