stream.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _MAILUTILS_SYS_STREAM_H
#define _MAILUTILS_SYS_STREAM_H
#include <mailutils/base.h>
#include <mailutils/stream.h>
__MAILUTILS_BEGIN_DECLS
struct _stream_vtable
{
int (*add_ref) __P ((stream_t));
int (*release) __P ((stream_t));
int (*destroy) __P ((stream_t));
int (*open) __P ((stream_t, const char *, int, int));
int (*close) __P ((stream_t));
int (*read) __P ((stream_t, void *, size_t, size_t *));
int (*readline) __P ((stream_t, char *, size_t, size_t *));
int (*write) __P ((stream_t, const void *, size_t, size_t *));
int (*seek) __P ((stream_t, off_t, enum stream_whence));
int (*tell) __P ((stream_t, off_t *));
int (*get_size) __P ((stream_t, off_t *));
int (*truncate) __P ((stream_t, off_t));
int (*flush) __P ((stream_t));
int (*get_fd) __P ((stream_t , int *));
int (*get_flags) __P ((stream_t, int *));
int (*get_state) __P ((stream_t, enum stream_state *));
};
struct _stream
{
struct _stream_vtable *vtable;
};
#define stream_add_ref(s) ((s)->vtable->add_ref)(s)
#define stream_release(s) ((s)->vtable->release)(s)
#define stream_destroy(s) ((s)->vtable->destroy)(s)
#define stream_open(s,h,p,f) ((s)->vtable->open)(s,h,p,f)
#define stream_close(s) ((s)->vtable->close)(s)
#define stream_read(s,b,l,n) ((s)->vtable->read)(s,b,l,n)
#define stream_readline(s,b,l,n) ((s)->vtable->readline)(s,b,l,n)
#define stream_write(s,b,l,n) ((s)->vtable->write)(s,b,l,n)
#define stream_seek(s,o,w) ((s)->vtable->seek)(s,o,w)
#define stream_tell(s,o) ((s)->vtable->tell)(s,o)
#define stream_get_size(s,o) ((s)->vtable->get_size)(s,o)
#define stream_flush(s) ((s)->vtable->flush)(s)
#define stream_truncate(s,o) ((s)->vtable->truncate)(s,o)
#define stream_get_fd(s,f) ((s)->vtable->get_fd)(s,f)
#define stream_get_flags(s,f) ((s)->vtable->get_flags)(s,f)
#define stream_get_state(s,f) ((s)->vtable->get_state)(s,f)
__MAILUTILS_END_DECLS
#endif /* _MAILUTILS_SYS_STREAM_H */