WebCore/platform/haiku/SharedBufferHaiku.cpp

/*
 * Copyright (C) 2009 Maxime Simon <simon.maxime@gmail.com>
 *
 * 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 
 */

#include "config.h"
#include "SharedBuffer.h"

#include <File.h>
#include <String.h>

namespace WebCore {

PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& fileName)
{
    if (fileName.isEmpty())
        return 0;

    BFile file(BString(fileName).String(), B_READ_ONLY);
    if (file.InitCheck() != B_OK)
        return 0;

    RefPtr<SharedBuffer> result = SharedBuffer::create();

    off_t size;
    file.GetSize(&size);
    result->m_buffer.resize(size);
    if (result->m_buffer.size() != size)
        return 0;
    result->m_size = size;

    file.Read(result->m_buffer.data(), result->m_buffer.size());
    return result.release();
}

} // namespace WebCore