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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <cstdio>
#include <cstdlib>
#include <sal/types.h>
#include <rtl/alloc.h>
#include <rtl/random.h>
#include <oslrandom.h>
namespace {
struct RandomPool_Impl
{
};
}
rtlRandomPool SAL_CALL rtl_random_createPool() SAL_THROW_EXTERN_C()
{
RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(rtl_allocateZeroMemory(sizeof(RandomPool_Impl)));
return static_cast< rtlRandomPool >(pImpl);
}
void SAL_CALL rtl_random_destroyPool(rtlRandomPool Pool) SAL_THROW_EXTERN_C()
{
RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(Pool);
if (pImpl)
{
rtl_freeZeroMemory (pImpl, sizeof(RandomPool_Impl));
}
}
rtlRandomError SAL_CALL rtl_random_addBytes(
rtlRandomPool Pool, const void *Buffer, sal_Size /*Bytes*/) SAL_THROW_EXTERN_C()
{
RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(Pool);
const sal_uInt8 *pBuffer = static_cast< const sal_uInt8* >(Buffer);
if (!pImpl || !pBuffer)
return rtl_Random_E_Argument;
return rtl_Random_E_None;
}
rtlRandomError SAL_CALL rtl_random_getBytes (
rtlRandomPool Pool, void *Buffer, sal_Size Bytes) SAL_THROW_EXTERN_C()
{
RandomPool_Impl *pImpl = static_cast< RandomPool_Impl* >(Pool);
sal_uInt8 *pBuffer = static_cast< sal_uInt8* >(Buffer);
if (!pImpl || !pBuffer)
return rtl_Random_E_Argument;
if (!osl_get_system_random_data(static_cast<char*>(Buffer), Bytes))
{
::std::fprintf(stderr, "rtl_random_getBytes(): cannot read random device, aborting.\n");
::std::abort();
}
return rtl_Random_E_None;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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