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https://github.com/SerenityOS/serenity
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1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
48 lines
816 B
C++
48 lines
816 B
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Platform.h>
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#include <AK/Types.h>
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#if defined(__serenity__)
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# include <stdlib.h>
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#endif
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#if defined(__unix__)
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# include <unistd.h>
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#endif
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#if defined(__APPLE__)
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# include <sys/random.h>
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#endif
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namespace AK {
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inline void fill_with_random([[maybe_unused]] void* buffer, [[maybe_unused]] size_t length)
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{
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#if defined(__serenity__)
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arc4random_buf(buffer, length);
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#elif defined(OSS_FUZZ)
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#elif defined(__unix__) or defined(__APPLE__)
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[[maybe_unused]] int rc = getentropy(buffer, length);
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#endif
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}
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template<typename T>
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inline T get_random()
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{
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T t;
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fill_with_random(&t, sizeof(T));
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return t;
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}
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}
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using AK::fill_with_random;
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using AK::get_random;
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