/********************************************************************* ioprocs.h File IO abstraction layer *********************************************************************/ #ifndef IOPROCS_H #define IOPROCS_H #include #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 */