71 lines
1.9 KiB
C
Executable file
71 lines
1.9 KiB
C
Executable file
#ifndef MTOOLS_STREAM_H
|
|
#define MTOOLS_STREAM_H
|
|
|
|
typedef struct Stream_t {
|
|
struct Class_t *Class;
|
|
int refs;
|
|
struct Stream_t *Next;
|
|
struct Stream_t *Buffer;
|
|
} Stream_t;
|
|
|
|
#include "mtools.h"
|
|
#include "msdos.h"
|
|
|
|
#include "llong.h"
|
|
|
|
typedef struct Class_t {
|
|
int (*read)(Stream_t *, char *, mt_off_t, size_t);
|
|
int (*write)(Stream_t *, char *, mt_off_t, size_t);
|
|
int (*flush)(Stream_t *);
|
|
int (*freeFunc)(Stream_t *);
|
|
int (*set_geom)(Stream_t *, device_t *, device_t *, int media,
|
|
struct bootsector *);
|
|
int (*get_data)(Stream_t *, time_t *, mt_size_t *, int *, int *);
|
|
int (*pre_allocate)(Stream_t *, mt_size_t);
|
|
} Class_t;
|
|
|
|
#define READS(stream, buf, address, size) \
|
|
(stream)->Class->read( (stream), (char *) (buf), (address), (size) )
|
|
|
|
#define WRITES(stream, buf, address, size) \
|
|
(stream)->Class->write( (stream), (char *) (buf), (address), (size) )
|
|
|
|
#define SET_GEOM(stream, dev, orig_dev, media, boot) \
|
|
(stream)->Class->set_geom( (stream), (dev), (orig_dev), (media), (boot) )
|
|
|
|
#define GET_DATA(stream, date, size, type, address) \
|
|
(stream)->Class->get_data( (stream), (date), (size), (type), (address) )
|
|
|
|
#define PRE_ALLOCATE(stream, size) \
|
|
(stream)->Class->pre_allocate((stream), (size))
|
|
|
|
int flush_stream(Stream_t *Stream);
|
|
Stream_t *copy_stream(Stream_t *Stream);
|
|
int free_stream(Stream_t **Stream);
|
|
|
|
#define FLUSH(stream) \
|
|
flush_stream( (stream) )
|
|
|
|
#define FREE(stream) \
|
|
free_stream( (stream) )
|
|
|
|
#define COPY(stream) \
|
|
copy_stream( (stream) )
|
|
|
|
|
|
#define DeclareThis(x) x *This = (x *) Stream
|
|
|
|
int force_write(Stream_t *Stream, char *buf, mt_off_t start, size_t len);
|
|
int force_read(Stream_t *Stream, char *buf, mt_off_t start, size_t len);
|
|
|
|
extern struct Stream_t *default_drive;
|
|
|
|
int get_data_pass_through(Stream_t *Stream, time_t *date, mt_size_t *size,
|
|
int *type, int *address);
|
|
|
|
int read_pass_through(Stream_t *Stream, char *buf, mt_off_t start, size_t len);
|
|
int write_pass_through(Stream_t *Stream, char *buf, mt_off_t start, size_t len);
|
|
|
|
|
|
#endif
|
|
|