e6bd1586d6
The library supplied tree estructure is not enought for our needs, due to its limited API. Thus, we have implemented a suitable red-black tree.
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
/*
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* Copyright (c) 2007 Vreixo Formoso
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*
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* This file is part of the libisofs project; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation. See COPYING file for details.
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*/
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#ifndef LIBISO_ECMA119_H_
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#define LIBISO_ECMA119_H_
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#include "libisofs.h"
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#include "util.h"
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#include <stdint.h>
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#define BLOCK_SIZE 2048
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typedef struct ecma119_image Ecma119Image;
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typedef struct ecma119_node Ecma119Node;
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typedef struct Iso_File_Src IsoFileSrc;
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typedef struct Iso_Image_Writer IsoImageWriter;
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struct ecma119_image {
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IsoImage *image;
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Ecma119Node *root;
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unsigned int iso_level:2;
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// int relaxed_constraints; /**< see ecma119_relaxed_constraints_flag */
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//
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// int replace_mode; /**< Replace ownership and modes of files
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// *
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// * 0. filesystem values
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// * 1. useful values
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// * bits 1-4 bitmask:
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// * 2 - replace dir
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// * 3 - replace file
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// * 4 - replace gid
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// * 5 - replace uid
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// */
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// mode_t dir_mode;
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// mode_t file_mode;
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// gid_t gid;
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// uid_t uid;
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int sort_files; /**< if sort files or not. Sorting is based of
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* the weight of each file */
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char *input_charset;
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uint32_t ms_block; /**< start block for a ms image */
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time_t now; /**< Time at which writing began. */
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off_t total_size; /**< Total size of the output. This only
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* includes the current volume. */
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uint32_t vol_space_size;
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/*
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* Block being processed, either during image writing or structure
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* size calculation.
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*/
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uint32_t curblock;
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/*
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* number of dirs in ECMA-119 tree, computed together with dir position,
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* and needed for path table computation in a efficient way
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*/
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size_t ndirs;
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uint32_t path_table_size;
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uint32_t l_path_table_pos;
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uint32_t m_path_table_pos;
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size_t nwriters;
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IsoImageWriter **writers;
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/* tree of files sources */
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IsoRBTree *files;
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/* file descriptors for read and writing image */
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int wrfd; /* write to here */
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int rdfd; /* read from here */
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};
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#define BP(a,b) [(b) - (a) + 1]
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struct ecma119_pri_vol_desc
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{
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uint8_t vol_desc_type BP(1, 1);
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uint8_t std_identifier BP(2, 6);
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uint8_t vol_desc_version BP(7, 7);
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uint8_t unused1 BP(8, 8);
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uint8_t system_id BP(9, 40);
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uint8_t volume_id BP(41, 72);
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uint8_t unused2 BP(73, 80);
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uint8_t vol_space_size BP(81, 88);
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uint8_t unused3 BP(89, 120);
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uint8_t vol_set_size BP(121, 124);
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uint8_t vol_seq_number BP(125, 128);
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uint8_t block_size BP(129, 132);
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uint8_t path_table_size BP(133, 140);
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uint8_t l_path_table_pos BP(141, 144);
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uint8_t opt_l_path_table_pos BP(145, 148);
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uint8_t m_path_table_pos BP(149, 152);
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uint8_t opt_m_path_table_pos BP(153, 156);
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uint8_t root_dir_record BP(157, 190);
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uint8_t vol_set_id BP(191, 318);
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uint8_t publisher_id BP(319, 446);
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uint8_t data_prep_id BP(447, 574);
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uint8_t application_id BP(575, 702);
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uint8_t copyright_file_id BP(703, 739);
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uint8_t abstract_file_id BP(740, 776);
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uint8_t bibliographic_file_id BP(777, 813);
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uint8_t vol_creation_time BP(814, 830);
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uint8_t vol_modification_time BP(831, 847);
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uint8_t vol_expiration_time BP(848, 864);
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uint8_t vol_effective_time BP(865, 881);
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uint8_t file_structure_version BP(882, 882);
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uint8_t reserved1 BP(883, 883);
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uint8_t app_use BP(884, 1395);
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uint8_t reserved2 BP(1396, 2048);
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};
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#endif /*LIBISO_ECMA119_H_*/
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