claunia/libcdio-osx
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Expose primary volume descriptor (pvd) and directory structures since

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they *are* part of the spec. and be done with it.
This commit is contained in:
rocky
2003-08-31 05:00:44 +00:00
parent a1d4a9d21d
commit f18797bc85
4 changed files with 71 additions and 69 deletions
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14
lib/iso9660.c
View File

@@ -1,5 +1,5 @@
/*
$Id: iso9660.c,v 1.5 2003/08/31 02:51:41 rocky Exp $
$Id: iso9660.c,v 1.6 2003/08/31 05:00:44 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -37,7 +37,7 @@
#include "cdio_assert.h"
#include "bytesex.h"
static const char _rcsid[] = "$Id: iso9660.c,v 1.5 2003/08/31 02:51:41 rocky Exp $";
static const char _rcsid[] = "$Id: iso9660.c,v 1.6 2003/08/31 05:00:44 rocky Exp $";
/* some parameters... */
#define SYSTEM_ID "CD-RTOS CD-BRIDGE"
@@ -263,7 +263,7 @@ iso9660_dir_calc_record_size(unsigned namelen, unsigned int su_len)
{
unsigned length;
length = sizeof(struct iso_directory_record);
length = sizeof(iso9660_dir_t);
length += namelen;
if (length % 2) /* pad to word boundary */
length++;
@@ -283,13 +283,13 @@ iso9660_dir_add_entry_su(void *dir,
const void *su_data,
unsigned su_size)
{
struct iso_directory_record *idr = dir;
iso9660_dir_t *idr = dir;
uint8_t *dir8 = dir;
unsigned offset = 0;
uint32_t dsize = from_733(idr->size);
int length, su_offset;
cdio_assert (sizeof(struct iso_directory_record) == 33);
cdio_assert (sizeof(iso9660_dir_t) == 33);
if (!dsize && !idr->length)
dsize = ISO_BLOCKSIZE; /* for when dir lacks '.' entry */
@@ -300,7 +300,7 @@ iso9660_dir_add_entry_su(void *dir,
cdio_assert (name != NULL);
cdio_assert (strlen(name) <= MAX_ISOPATHNAME);
length = sizeof(struct iso_directory_record);
length = sizeof(iso9660_dir_t);
length += strlen(name);
length = _cdio_ceil2block (length, 2); /* pad to word boundary */
su_offset = length;
@@ -335,7 +335,7 @@ iso9660_dir_add_entry_su(void *dir,
cdio_assert (offset + length <= dsize);
idr = (struct iso_directory_record*) &dir8[offset];
idr = (iso9660_dir_t *) &dir8[offset];
cdio_assert (offset+length < dsize);

56
lib/iso9660_private.h
View File

@@ -1,5 +1,5 @@
/*
$Id: iso9660_private.h,v 1.3 2003/08/31 03:35:36 rocky Exp $
$Id: iso9660_private.h,v 1.4 2003/08/31 05:00:44 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -39,43 +39,7 @@ struct iso_volume_descriptor {
#define struct_iso_volume_descriptor_SIZEOF ISO_BLOCKSIZE
struct iso_primary_descriptor {
uint8_t type; /* 711 */
char id[5];
uint8_t version; /* 711 */
char unused1[1];
char system_id[32]; /* achars */
char volume_id[32]; /* dchars */
char unused2[8];
uint64_t volume_space_size; /* 733 */
char escape_sequences[32];
uint32_t volume_set_size; /* 723 */
uint32_t volume_sequence_number; /* 723 */
uint32_t logical_block_size; /* 723 */
uint64_t path_table_size; /* 733 */
uint32_t type_l_path_table; /* 731 */
uint32_t opt_type_l_path_table; /* 731 */
uint32_t type_m_path_table; /* 732 */
uint32_t opt_type_m_path_table; /* 732 */
char root_directory_record[34]; /* 9.1 */
char volume_set_id[128]; /* dchars */
char publisher_id[128]; /* achars */
char preparer_id[128]; /* achars */
char application_id[128]; /* achars */
char copyright_file_id[37]; /* 7.5 dchars */
char abstract_file_id[37]; /* 7.5 dchars */
char bibliographic_file_id[37]; /* 7.5 dchars */
char creation_date[17]; /* 8.4.26.1 */
char modification_date[17]; /* 8.4.26.1 */
char expiration_date[17]; /* 8.4.26.1 */
char effective_date[17]; /* 8.4.26.1 */
uint8_t file_structure_version; /* 711 */
char unused4[1];
char application_data[512];
char unused5[653];
} GNUC_PACKED;
#define struct_iso_primary_descriptor_SIZEOF ISO_BLOCKSIZE
#define struct_iso9660_pvd_SIZEOF ISO_BLOCKSIZE
struct iso_path_table {
uint8_t name_len; /* 711 */
@@ -87,21 +51,7 @@ struct iso_path_table {
#define struct_iso_path_table_SIZEOF 8
struct iso_directory_record {
uint8_t length; /* 711 */
uint8_t ext_attr_length; /* 711 */
uint64_t extent; /* 733 */
uint64_t size; /* 733 */
uint8_t date[7]; /* 7 by 711 */
uint8_t flags;
uint8_t file_unit_size; /* 711 */
uint8_t interleave; /* 711 */
uint32_t volume_sequence_number; /* 723 */
uint8_t name_len; /* 711 */
char name[EMPTY_ARRAY_SIZE];
} GNUC_PACKED;
#define struct_iso_directory_record_SIZEOF 33
#define struct_iso9660_dir_SIZEOF 33
PRAGMA_END_PACKED