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#ifndef MTOOLS_STREAM_H
#define MTOOLS_STREAM_H
/* Copyright 1996-1999,2001,2002,2005,2006,2008,2009,2011 Alain Knaff.
* This file is part of mtools.
*
* Mtools is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mtools is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Mtools. If not, see <http://www.gnu.org/licenses/>.
*/
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"
doscp_t *get_dosConvert_pass_through(Stream_t *Stream);
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,
union bootsector *);
int (*get_data)(Stream_t *, time_t *, mt_size_t *, int *, int *);
int (*pre_allocate)(Stream_t *, mt_size_t);
doscp_t *(*get_dosConvert)(Stream_t *);
int (*discard)(Stream_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))
#define GET_DOSCONVERT(stream) \
(stream)->Class->get_dosConvert((stream))
#define DISCARD(stream) \
(stream)->Class->discard((stream))
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);
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);
mt_off_t sectorsToBytes(Stream_t *This, off_t off);
mt_size_t getfree(Stream_t *Stream);
int getfreeMinBytes(Stream_t *Stream, mt_size_t ref);
Stream_t *find_device(char drive, int mode, struct device *out_dev,
union bootsector *boot,
char *name, int *media, mt_size_t *maxSize,
int *isRop);
#endif
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