1 files changed, 107 insertions, 0 deletions
diff --git a/stream.h b/stream.h
new file mode 100644
index 0000000..f027ece
--- /dev/null
+++ b/stream.h
@@ -0,0 +1,107 @@
+#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
+