/*
   ostream.c : Output stream handling

    Copyright (c) 2002 Timo Sirainen

    Permission is hereby granted, free of charge, to any person obtaining
    a copy of this software and associated documentation files (the
    "Software"), to deal in the Software without restriction, including
    without limitation the rights to use, copy, modify, merge, publish,
    distribute, sublicense, and/or sell copies of the Software, and to
    permit persons to whom the Software is furnished to do so, subject to
    the following conditions:

    The above copyright notice and this permission notice shall be
    included in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include "lib.h"
#include "istream.h"
#include "ostream-internal.h"

void o_stream_ref(struct ostream *stream)
{
	_io_stream_ref(stream->real_stream);
}

void o_stream_unref(struct ostream *stream)
{
	_io_stream_unref(stream->real_stream);
}

void o_stream_close(struct ostream *stream)
{
	_io_stream_close(stream->real_stream);
	stream->closed = TRUE;
}

void o_stream_set_max_buffer_size(struct ostream *stream, size_t max_size)
{
	_io_stream_set_max_buffer_size(stream->real_stream, max_size);
}

void o_stream_set_blocking(struct ostream *stream, int timeout_msecs,
			   void (*timeout_func)(void *), void *context)
{
	_io_stream_set_blocking(stream->real_stream, timeout_msecs,
				timeout_func, context);
}

void o_stream_cork(struct ostream *stream)
{
	struct _ostream *_stream = stream->real_stream;

	if (stream->closed)
		return;

	_stream->cork(_stream);
}

int o_stream_flush(struct ostream *stream)
{
	struct _ostream *_stream = stream->real_stream;

	if (stream->closed)
		return -1;

	return _stream->flush(_stream);
}

int o_stream_have_space(struct ostream *stream, size_t size)
{
	struct _ostream *_stream = stream->real_stream;

	return _stream->have_space(_stream, size);
}

int o_stream_seek(struct ostream *stream, uoff_t offset)
{
	struct _ostream *_stream = stream->real_stream;

	if (stream->closed)
		return -1;

	return _stream->seek(_stream, offset);
}

ssize_t o_stream_send(struct ostream *stream, const void *data, size_t size)
{
	struct _ostream *_stream = stream->real_stream;

	if (stream->closed)
		return -1;

	if (size == 0)
		return 0;

	return _stream->send(_stream, data, size);
}

ssize_t o_stream_send_str(struct ostream *stream, const char *str)
{
	return o_stream_send(stream, str, strlen(str));
}

off_t o_stream_send_istream(struct ostream *outstream,
			    struct istream *instream)
{
	struct _ostream *_outstream = outstream->real_stream;

	if (outstream->closed || instream->closed)
		return -1;

	return _outstream->send_istream(_outstream, instream);
}

struct ostream *_o_stream_create(struct _ostream *_stream, pool_t pool)
{
	_stream->ostream.real_stream = _stream;

	_io_stream_init(pool, &_stream->iostream);
	return &_stream->ostream;
}