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