usbloadergx/source/libwbfs/wiidisc.h

#ifndef WIIDISC_H
#define WIIDISC_H
#include <stdio.h>
#include "libwbfs_os.h" // this file is provided by the project wanting to compile libwbfs and wiidisc

#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#if 0 //removes extra automatic indentation by editors
}
#endif
// callback definition. Return 1 on fatal error (callback is supposed to make retries until no hopes..)
// offset points 32bit words, count counts bytes
typedef int ( *read_wiidisc_callback_t )( void*fp, u32 offset, u32 count, void*iobuf );

typedef enum
{
    UPDATE_PARTITION_TYPE = 0,
    GAME_PARTITION_TYPE,
    OTHER_PARTITION_TYPE,
    // value in between selects partition types of that value
    ALL_PARTITIONS = 0xffffffff - 3,
    REMOVE_UPDATE_PARTITION, // keeps game + channel installers
    ONLY_GAME_PARTITION,
} partition_selector_t;

typedef struct wiidisc_s
{
    read_wiidisc_callback_t read;
    void *fp;
    u8 *sector_usage_table;

    // everything points 32bit words.
    u32 disc_raw_offset;
    u32 partition_raw_offset;
    u32 partition_data_offset;
    u32 partition_data_size;
    u32 partition_block;

    u8 *tmp_buffer;
    u8 *tmp_buffer2;
    u8 disc_key[16];
    int dont_decrypt;

    partition_selector_t part_sel;

    char *extract_pathname;
    u8  *extracted_buffer;
    int extracted_size;
} wiidisc_t;

wiidisc_t *wd_open_disc( read_wiidisc_callback_t read, void*fp );
void wd_close_disc( wiidisc_t * );
// returns a buffer allocated with wbfs_ioalloc() or NULL if not found of alloc error
u8 * wd_extract_file( wiidisc_t *d, partition_selector_t partition_type, char *pathname );

void wd_build_disc_usage( wiidisc_t *d, partition_selector_t selector, u8* usage_table );

// effectively remove not copied partition from the partition table.
void wd_fix_partition_table( wiidisc_t *d, partition_selector_t selector, u8* partition_table );

#if 0
{
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif