mirror of https://github.com/jamie/ciso.git
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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This file is part of Ciso.
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Ciso is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Ciso is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Copyright 2005 BOOSTER
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*/
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#include <stdint.h>
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#ifndef __CISO_H__
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#define __CISO_H__
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/*
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complessed ISO(9660) header format
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*/
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typedef struct ciso_header
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{
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uint8_t magic[4]; /* +00 : 'C','I','S','O' */
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uint32_t header_size; /* +04 : header size (==0x18) */
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uint64_t total_bytes; /* +08 : number of original data size */
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uint32_t block_size; /* +10 : number of compressed block size */
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uint8_t ver; /* +14 : version 01 */
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uint8_t align; /* +15 : align of index value */
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uint8_t rsv_06[2]; /* +16 : reserved */
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#if 0
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// INDEX BLOCK
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uint32_t index[0]; /* +18 : block[0] index */
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uint32_t index[1]; /* +1C : block[1] index */
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:
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:
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uint32_t index[last]; /* +?? : block[last] */
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uint32_t index[last+1]; /* +?? : end of last data point */
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// DATA BLOCK
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uint8_t data[]; /* +?? : compressed or plain sector data */
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#endif
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}CISO_H;
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/*
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note:
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file_pos_sector[n] = (index[n]&0x7fffffff) << CISO_H.align
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file_size_sector[n] = ( (index[n+1]&0x7fffffff) << CISO_H.align) - file_pos_sector[n]
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if(index[n]&0x80000000)
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// read 0x800 without compress
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else
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// read file_size_sector[n] bytes and decompress data
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*/
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#endif
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