121 lines
2.3 KiB
C
121 lines
2.3 KiB
C
#pragma once
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#include <stdint.h>
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typedef struct {
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char year[4];
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char month[2];
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char day[2];
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char hour[2];
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char minute[2];
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char second[2];
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char hundredths[2];
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int8_t timezone;
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} __attribute__((packed)) iso_9660_datetime_t;
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typedef struct {
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uint8_t year;
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uint8_t month;
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uint8_t day;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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int8_t timezone;
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} __attribute__((packed)) iso_9660_rec_date_t;
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typedef struct {
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uint8_t length;
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uint8_t ext_length;
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uint32_t extent_start_LSB;
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uint32_t extent_start_MSB;
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uint32_t extent_length_LSB;
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uint32_t extent_length_MSB;
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iso_9660_rec_date_t record_date;
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uint8_t flags;
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uint8_t interleave_units;
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uint8_t interleave_gap;
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uint16_t volume_seq_LSB;
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uint16_t volume_seq_MSB;
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uint8_t name_len;
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char name[];
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} __attribute__((packed)) iso_9660_directory_entry_t;
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typedef struct {
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uint8_t type; /* 0x01 */
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char id[5]; /* CD001 */
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uint8_t version;
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uint8_t _unused0;
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char system_id[32];
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char volume_id[32];
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uint8_t _unused1[8];
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uint32_t volume_space_LSB;
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uint32_t volume_space_MSB;
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uint8_t _unused2[32];
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uint16_t volume_set_LSB;
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uint16_t volume_set_MSB;
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uint16_t volume_seq_LSB;
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uint16_t volume_seq_MSB;
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uint16_t logical_block_size_LSB;
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uint16_t logical_block_size_MSB;
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uint32_t path_table_size_LSB;
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uint32_t path_table_size_MSB;
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uint32_t path_table_LSB;
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uint32_t optional_path_table_LSB;
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uint32_t path_table_MSB;
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uint32_t optional_path_table_MSB;
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/* iso_9660_directory_entry_t */
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char root[34];
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char volume_set_id[128];
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char volume_publisher[128];
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char data_preparer[128];
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char application_id[128];
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char copyright_file[38];
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char abstract_file[36];
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char bibliographic_file[37];
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iso_9660_datetime_t creation;
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iso_9660_datetime_t modification;
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iso_9660_datetime_t expiration;
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iso_9660_datetime_t effective;
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uint8_t file_structure_version;
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uint8_t _unused_3;
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char application_use[];
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} __attribute__((packed)) iso_9660_volume_descriptor_t;
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#define ISO_SECTOR_SIZE 2048
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#define FLAG_HIDDEN 0x01
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#define FLAG_DIRECTORY 0x02
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#define FLAG_ASSOCIATED 0x04
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#define FLAG_EXTENDED 0x08
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#define FLAG_PERMISSIONS 0x10
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#define FLAG_CONTINUES 0x80
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extern char root_data[ISO_SECTOR_SIZE];
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extern iso_9660_volume_descriptor_t * root;
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extern iso_9660_directory_entry_t * dir_entry;
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int navigate(char * name);
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