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/*********************************************************************
ioprocs.h
File IO abstraction layer
*********************************************************************/
#ifndef IOPROCS_H
#define IOPROCS_H
#include <stdlib.h>
#include "emu.h"
/***************************************************************************
Type definitions
***************************************************************************/
struct io_procs
{
void (*closeproc)(void *file);
int (*seekproc)(void *file, INT64 offset, int whence);
size_t (*readproc)(void *file, void *buffer, size_t length);
size_t (*writeproc)(void *file, const void *buffer, size_t length);
UINT64 (*filesizeproc)(void *file);
};
struct io_generic
{
const struct io_procs *procs;
void *file;
UINT8 filler;
};
/***************************************************************************
Globals
***************************************************************************/
extern const struct io_procs stdio_ioprocs;
extern const struct io_procs stdio_ioprocs_noclose;
/***************************************************************************
Prototypes
***************************************************************************/
void io_generic_close(struct io_generic *generic);
void io_generic_read(struct io_generic *generic, void *buffer, UINT64 offset, size_t length);
void io_generic_write(struct io_generic *generic, const void *buffer, UINT64 offset, size_t length);
void io_generic_write_filler(struct io_generic *generic, UINT8 filler, UINT64 offset, size_t length);
UINT64 io_generic_size(struct io_generic *generic);
#endif /* IOPROCS_H */
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