2006-03-03 04:11:29 +00:00
|
|
|
/*-
|
|
|
|
|
* Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
|
|
|
|
|
* All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
|
*
|
|
|
|
|
* $FreeBSD$
|
|
|
|
|
*/
|
|
|
|
|
#ifndef _STREAM_H_
|
|
|
|
|
#define _STREAM_H_
|
|
|
|
|
|
|
|
|
|
#include "misc.h"
|
|
|
|
|
|
|
|
|
|
/* Stream filters. */
|
|
|
|
|
typedef enum {
|
|
|
|
|
STREAM_FILTER_NULL,
|
|
|
|
|
STREAM_FILTER_ZLIB,
|
2008-10-19 09:08:59 +00:00
|
|
|
STREAM_FILTER_MD5,
|
|
|
|
|
STREAM_FILTER_MD5RCS
|
2006-03-03 04:11:29 +00:00
|
|
|
} stream_filter_t;
|
|
|
|
|
|
|
|
|
|
struct stream;
|
2008-10-19 09:08:59 +00:00
|
|
|
struct buf;
|
2006-03-03 04:11:29 +00:00
|
|
|
|
|
|
|
|
typedef ssize_t stream_readfn_t(void *, void *, size_t);
|
|
|
|
|
typedef ssize_t stream_writefn_t(void *, const void *, size_t);
|
|
|
|
|
typedef int stream_closefn_t(void *);
|
|
|
|
|
|
|
|
|
|
/* Convenience functions for handling file descriptors. */
|
|
|
|
|
stream_readfn_t stream_read_fd;
|
|
|
|
|
stream_writefn_t stream_write_fd;
|
|
|
|
|
stream_closefn_t stream_close_fd;
|
|
|
|
|
|
2008-10-19 09:08:59 +00:00
|
|
|
/* Convenience functions for handling character buffers. */
|
|
|
|
|
stream_readfn_t stream_read_buf;
|
|
|
|
|
stream_writefn_t stream_append_buf;
|
|
|
|
|
stream_closefn_t stream_close_buf;
|
|
|
|
|
|
2006-03-03 04:11:29 +00:00
|
|
|
struct stream *stream_open(void *, stream_readfn_t *, stream_writefn_t *,
|
|
|
|
|
stream_closefn_t *);
|
|
|
|
|
struct stream *stream_open_fd(int, stream_readfn_t *, stream_writefn_t *,
|
|
|
|
|
stream_closefn_t *);
|
2008-10-19 09:08:59 +00:00
|
|
|
struct stream *stream_open_buf(struct buf *);
|
2006-03-03 04:11:29 +00:00
|
|
|
struct stream *stream_open_file(const char *, int, ...);
|
|
|
|
|
int stream_fileno(struct stream *);
|
|
|
|
|
ssize_t stream_read(struct stream *, void *, size_t);
|
2008-10-19 09:08:59 +00:00
|
|
|
ssize_t stream_read_blocking(struct stream *, void *, size_t);
|
2006-03-03 04:11:29 +00:00
|
|
|
ssize_t stream_write(struct stream *, const void *, size_t);
|
|
|
|
|
char *stream_getln(struct stream *, size_t *);
|
|
|
|
|
int stream_printf(struct stream *, const char *, ...)
|
|
|
|
|
__printflike(2, 3);
|
|
|
|
|
int stream_flush(struct stream *);
|
|
|
|
|
int stream_sync(struct stream *);
|
|
|
|
|
int stream_truncate(struct stream *, off_t);
|
2008-10-19 09:08:59 +00:00
|
|
|
void stream_truncate_buf(struct buf *, off_t);
|
2006-03-03 04:11:29 +00:00
|
|
|
int stream_truncate_rel(struct stream *, off_t);
|
|
|
|
|
int stream_rewind(struct stream *);
|
|
|
|
|
int stream_eof(struct stream *);
|
|
|
|
|
int stream_close(struct stream *);
|
|
|
|
|
int stream_filter_start(struct stream *, stream_filter_t, void *);
|
|
|
|
|
void stream_filter_stop(struct stream *);
|
|
|
|
|
|
2008-10-19 09:08:59 +00:00
|
|
|
struct buf *buf_new(size_t);
|
|
|
|
|
void buf_free(struct buf *);
|
2006-03-03 04:11:29 +00:00
|
|
|
#endif /* !_STREAM_H_ */
|
