gmio/tests/stream_buffer.h

/****************************************************************************
** Copyright (c) 2017, Fougue Ltd. <http://www.fougue.pro>
** 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 COPYRIGHT HOLDERS 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 COPYRIGHT
** OWNER 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.
****************************************************************************/

#pragma once

#include "../src/gmio_core/stream.h"

/* Read-only buffer */
struct gmio_ro_buffer
{
    const void* ptr;
    size_t len;
    size_t pos;
};

/* Read/write buffer */
struct gmio_rw_buffer
{
    void* ptr;
    size_t len;
    size_t pos;
};

struct gmio_ro_buffer gmio_ro_buffer(const void* ptr, size_t len, size_t pos);
struct gmio_rw_buffer gmio_rw_buffer(void* ptr, size_t len, size_t pos);

struct gmio_stream gmio_istream_buffer(struct gmio_ro_buffer* buff);
struct gmio_stream gmio_stream_buffer(struct gmio_rw_buffer* buff);