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/*
* Variable-size, reference-counted memory buffer
*
* Copyright (C) 2003--2006 Enrico Zini <enrico@debian.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <wibble/sys/buffer.h>
#include <string.h> // memcpy
#include <stdlib.h> // malloc, free, realloc
namespace wibble {
namespace sys {
Buffer::Data::Data(size_t size) throw () : _ref(0), _size(size)
{
_data = malloc(size);
}
Buffer::Data::Data(void* buf, size_t size, bool own) throw ()
: _ref(0), _size(size)
{
if (own)
_data = buf;
else
{
_data = malloc(size);
memcpy(_data, buf, size);
}
}
Buffer::Data::Data(const void* buf, size_t size) throw ()
: _ref(0), _size(size)
{
_data = malloc(size);
memcpy(_data, buf, size);
}
Buffer::Data::~Data() throw ()
{
if (_data)
free(_data);
}
void Buffer::Data::resize(size_t size) throw ()
{
if (size == 0)
{
if (_data)
{
free(_data);
_data = 0;
}
} else if (_data == 0) {
_data = malloc(size);
} else {
_data = realloc(_data, size);
}
_size = size;
}
}
}
// vim:set ts=4 sw=4:
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