b70ba117e6
* Added const-qualifiers. * Removed unnecessary duplicate prototypes. * Use the endian conversion functions from <sys/endian.h>.
244 lines
8.7 KiB
C
244 lines
8.7 KiB
C
/* $NetBSD: iso.h,v 1.9 2007/01/27 07:20:31 cbiere Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley
|
|
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
|
|
* Support code is derived from software contributed to Berkeley
|
|
* by Atsushi Murai (amurai@spec.co.jp).
|
|
*
|
|
* 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. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)iso.h 8.6 (Berkeley) 5/10/95
|
|
*/
|
|
|
|
/*
|
|
* Definitions describing ISO9660 file system structure, as well as
|
|
* the functions necessary to access fields of ISO9660 file system
|
|
* structures.
|
|
*/
|
|
|
|
#ifndef _ISOFS_CD9660_ISO_H_
|
|
#define _ISOFS_CD9660_ISO_H_
|
|
|
|
#define ISODCL(from, to) (to - from + 1)
|
|
|
|
struct iso_volume_descriptor {
|
|
char type[ISODCL(1,1)]; /* 711 */
|
|
char id[ISODCL(2,6)];
|
|
char version[ISODCL(7,7)];
|
|
char data[ISODCL(8,2048)];
|
|
};
|
|
|
|
/* volume descriptor types */
|
|
#define ISO_VD_PRIMARY 1
|
|
#define ISO_VD_SUPPLEMENTARY 2
|
|
#define ISO_VD_END 255
|
|
|
|
#define ISO_STANDARD_ID "CD001"
|
|
#define ISO_ECMA_ID "CDW01"
|
|
|
|
struct iso_primary_descriptor {
|
|
char type [ISODCL ( 1, 1)]; /* 711 */
|
|
char id [ISODCL ( 2, 6)];
|
|
char version [ISODCL ( 7, 7)]; /* 711 */
|
|
char unused1 [ISODCL ( 8, 8)];
|
|
char system_id [ISODCL ( 9, 40)]; /* achars */
|
|
char volume_id [ISODCL ( 41, 72)]; /* dchars */
|
|
char unused2 [ISODCL ( 73, 80)];
|
|
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
|
|
char unused3 [ISODCL ( 89, 120)];
|
|
char volume_set_size [ISODCL (121, 124)]; /* 723 */
|
|
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
|
|
char logical_block_size [ISODCL (129, 132)]; /* 723 */
|
|
char path_table_size [ISODCL (133, 140)]; /* 733 */
|
|
char type_l_path_table [ISODCL (141, 144)]; /* 731 */
|
|
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
|
|
char type_m_path_table [ISODCL (149, 152)]; /* 732 */
|
|
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
|
|
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
|
|
char volume_set_id [ISODCL (191, 318)]; /* dchars */
|
|
char publisher_id [ISODCL (319, 446)]; /* achars */
|
|
char preparer_id [ISODCL (447, 574)]; /* achars */
|
|
char application_id [ISODCL (575, 702)]; /* achars */
|
|
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
|
|
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
|
|
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
|
|
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
|
|
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
|
|
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
|
|
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
|
|
char file_structure_version [ISODCL (882, 882)]; /* 711 */
|
|
char unused4 [ISODCL (883, 883)];
|
|
char application_data [ISODCL (884, 1395)];
|
|
char unused5 [ISODCL (1396, 2048)];
|
|
};
|
|
#define ISO_DEFAULT_BLOCK_SIZE 2048
|
|
|
|
struct iso_supplementary_descriptor {
|
|
char type [ISODCL ( 1, 1)]; /* 711 */
|
|
char id [ISODCL ( 2, 6)];
|
|
char version [ISODCL ( 7, 7)]; /* 711 */
|
|
char flags [ISODCL ( 8, 8)]; /* 711? */
|
|
char system_id [ISODCL ( 9, 40)]; /* achars */
|
|
char volume_id [ISODCL ( 41, 72)]; /* dchars */
|
|
char unused2 [ISODCL ( 73, 80)];
|
|
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
|
|
char escape [ISODCL ( 89, 120)];
|
|
char volume_set_size [ISODCL (121, 124)]; /* 723 */
|
|
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
|
|
char logical_block_size [ISODCL (129, 132)]; /* 723 */
|
|
char path_table_size [ISODCL (133, 140)]; /* 733 */
|
|
char type_l_path_table [ISODCL (141, 144)]; /* 731 */
|
|
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
|
|
char type_m_path_table [ISODCL (149, 152)]; /* 732 */
|
|
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
|
|
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
|
|
char volume_set_id [ISODCL (191, 318)]; /* dchars */
|
|
char publisher_id [ISODCL (319, 446)]; /* achars */
|
|
char preparer_id [ISODCL (447, 574)]; /* achars */
|
|
char application_id [ISODCL (575, 702)]; /* achars */
|
|
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
|
|
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
|
|
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
|
|
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
|
|
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
|
|
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
|
|
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
|
|
char file_structure_version [ISODCL (882, 882)]; /* 711 */
|
|
char unused4 [ISODCL (883, 883)];
|
|
char application_data [ISODCL (884, 1395)];
|
|
char unused5 [ISODCL (1396, 2048)];
|
|
};
|
|
|
|
struct iso_directory_record {
|
|
char length [ISODCL (1, 1)]; /* 711 */
|
|
char ext_attr_length [ISODCL (2, 2)]; /* 711 */
|
|
u_char extent [ISODCL (3, 10)]; /* 733 */
|
|
u_char size [ISODCL (11, 18)]; /* 733 */
|
|
char date [ISODCL (19, 25)]; /* 7 by 711 */
|
|
char flags [ISODCL (26, 26)];
|
|
char file_unit_size [ISODCL (27, 27)]; /* 711 */
|
|
char interleave [ISODCL (28, 28)]; /* 711 */
|
|
char volume_sequence_number [ISODCL (29, 32)]; /* 723 */
|
|
char name_len [ISODCL (33, 33)]; /* 711 */
|
|
char name [1]; /* XXX */
|
|
};
|
|
/* can't take sizeof(iso_directory_record), because of possible alignment
|
|
of the last entry (34 instead of 33) */
|
|
#define ISO_DIRECTORY_RECORD_SIZE 33
|
|
|
|
struct iso_extended_attributes {
|
|
u_char owner [ISODCL (1, 4)]; /* 723 */
|
|
u_char group [ISODCL (5, 8)]; /* 723 */
|
|
u_char perm [ISODCL (9, 10)]; /* 9.5.3 */
|
|
char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */
|
|
char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */
|
|
char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */
|
|
char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */
|
|
char recfmt [ISODCL (79, 79)]; /* 711 */
|
|
char recattr [ISODCL (80, 80)]; /* 711 */
|
|
u_char reclen [ISODCL (81, 84)]; /* 723 */
|
|
char system_id [ISODCL (85, 116)]; /* achars */
|
|
char system_use [ISODCL (117, 180)];
|
|
char version [ISODCL (181, 181)]; /* 711 */
|
|
char len_esc [ISODCL (182, 182)]; /* 711 */
|
|
char reserved [ISODCL (183, 246)];
|
|
u_char len_au [ISODCL (247, 250)]; /* 723 */
|
|
};
|
|
|
|
/* 7.1.1: unsigned char */
|
|
static __inline __unused int
|
|
isonum_711(const u_char *p)
|
|
{
|
|
return *p;
|
|
}
|
|
|
|
/* 7.1.2: signed char */
|
|
static __inline __unused int
|
|
isonum_712(const u_char *p)
|
|
{
|
|
return (signed char) *p;
|
|
}
|
|
|
|
/* 7.2.1: unsigned little-endian 16-bit value. NOT USED IN KERNEL. */
|
|
static __inline __unused uint16_t
|
|
isonum_721(const u_char *p)
|
|
{
|
|
return le16dec(p);
|
|
}
|
|
|
|
/* 7.2.2: unsigned big-endian 16-bit value. NOT USED IN KERNEL. */
|
|
static __inline __unused uint16_t
|
|
isonum_722(const u_char *p)
|
|
{
|
|
return be16dec(p);
|
|
}
|
|
|
|
/* 7.2.3: unsigned both-endian (little, then big) 16-bit value */
|
|
static __inline __unused uint16_t
|
|
isonum_723(const u_char *p)
|
|
{
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
return be16dec(p + 2);
|
|
#else
|
|
return le16dec(p);
|
|
#endif
|
|
}
|
|
|
|
/* 7.3.1: unsigned little-endian 32-bit value. NOT USED IN KERNEL. */
|
|
static __inline __unused uint32_t
|
|
isonum_731(const u_char *p)
|
|
{
|
|
return le32dec(p);
|
|
}
|
|
|
|
/* 7.3.2: unsigned big-endian 32-bit value. NOT USED IN KERNEL. */
|
|
static __inline __unused uint32_t
|
|
isonum_732(const u_char *p)
|
|
{
|
|
return be32dec(p);
|
|
}
|
|
|
|
/* 7.3.3: unsigned both-endian (little, then big) 32-bit value */
|
|
static __inline __unused uint32_t
|
|
isonum_733(const u_char *p)
|
|
{
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
return be32dec(p + 4);
|
|
#else
|
|
return le32dec(p);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Associated files have a leading '='.
|
|
*/
|
|
#define ASSOCCHAR '='
|
|
|
|
#endif /* _ISOFS_CD9660_ISO_H_ */
|