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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Platform.h>
#include <AK/Types.h>
#if defined(__serenity__) || defined(AK_OS_ANDROID)
# include <stdlib.h>
#endif
#if defined(__unix__)
# include <unistd.h>
#endif
#if defined(AK_OS_MACOS)
# include <sys/random.h>
#endif
namespace AK {
inline void fill_with_random([[maybe_unused]] void* buffer, [[maybe_unused]] size_t length)
{
#if defined(__serenity__) || defined(AK_OS_ANDROID)
arc4random_buf(buffer, length);
#elif defined(OSS_FUZZ)
#elif defined(__unix__) or defined(AK_OS_MACOS)
[[maybe_unused]] int rc = getentropy(buffer, length);
#endif
}
template<typename T>
inline T get_random()
{
T t;
fill_with_random(&t, sizeof(T));
return t;
}
u32 get_random_uniform(u32 max_bounds);
}
using AK::fill_with_random;
using AK::get_random;
using AK::get_random_uniform;
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