lisa_tag.h

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/*
 * This file is part of the Aaru Data Preservation Suite.
 * Copyright (c) 2019-2026 Natalia Portillo.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

 
#ifndef LIBAARUFORMAT_LISA_TAG_H
#define LIBAARUFORMAT_LISA_TAG_H
 
#include <stdint.h>
 
#pragma pack(push, 1)
 
typedef struct sony_tag
{
    uint16_t version;       
    uint8_t  kind     : 2;  
    uint8_t  reserved : 6;  
    uint8_t  volume;        
    int16_t  file_id;       
    uint16_t rel_page;      
    uint16_t next_block;    
    uint16_t prev_block;    
} sony_tag;
 
typedef struct profile_tag
{
    uint16_t version;          
    uint8_t  kind     : 2;     
    uint8_t  reserved : 6;     
    uint8_t  volume;           
    int16_t  file_id;          
    uint8_t  valid_chk  : 1;   
    uint16_t used_bytes : 15;  
    uint32_t abs_page;         
    uint8_t  checksum;         
    uint16_t rel_page;         
    uint32_t next_block;       
    uint32_t prev_block;       
} profile_tag;
 
typedef struct priam_tag
{
    uint16_t version;          
    uint8_t  kind     : 2;     
    uint8_t  reserved : 6;     
    uint8_t  volume;           
    int16_t  file_id;          
    uint8_t  valid_chk  : 1;   
    uint16_t used_bytes : 15;  
    uint32_t abs_page;         
    uint8_t  checksum;         
    uint16_t rel_page;         
    uint32_t next_block;       
    uint32_t prev_block;       
    uint32_t disk_size;        
} priam_tag;
 
#pragma pack(pop)
 
sony_tag    bytes_to_sony_tag(const uint8_t *bytes);
profile_tag bytes_to_profile_tag(const uint8_t *bytes);
priam_tag   bytes_to_priam_tag(const uint8_t *bytes);
uint8_t    *sony_tag_to_bytes(sony_tag tag);
uint8_t    *profile_tag_to_bytes(profile_tag tag);
uint8_t    *priam_tag_to_bytes(priam_tag tag);
 
profile_tag sony_tag_to_profile(sony_tag tag);
profile_tag priam_tag_to_profile(priam_tag tag);
priam_tag   sony_tag_to_priam(sony_tag tag);
priam_tag   profile_tag_to_priam(profile_tag tag);
sony_tag    profile_tag_to_sony(profile_tag tag);
sony_tag    priam_tag_to_sony(priam_tag tag);
 
#endif  // LIBAARUFORMAT_LISA_TAG_H