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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 *
101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
/*
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* Copyright (c) 2018-2020, 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/IterationDecision.h>
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#include <AK/Platform.h>
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#include <AK/StdLibExtras.h>
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using u64 = __UINT64_TYPE__;
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using u32 = __UINT32_TYPE__;
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using u16 = __UINT16_TYPE__;
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using u8 = __UINT8_TYPE__;
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using i64 = __INT64_TYPE__;
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using i32 = __INT32_TYPE__;
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using i16 = __INT16_TYPE__;
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using i8 = __INT8_TYPE__;
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#ifdef __serenity__
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using size_t = __SIZE_TYPE__;
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using ssize_t = MakeSigned<size_t>;
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using ptrdiff_t = __PTRDIFF_TYPE__;
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using intptr_t = __INTPTR_TYPE__;
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using uintptr_t = __UINTPTR_TYPE__;
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using uint8_t = u8;
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using uint16_t = u16;
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using uint32_t = u32;
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using uint64_t = u64;
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using int8_t = i8;
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using int16_t = i16;
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using int32_t = i32;
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using int64_t = i64;
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using pid_t = int;
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#else
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# include <stddef.h>
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# include <stdint.h>
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# include <sys/types.h>
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# ifdef __ptrdiff_t
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using __ptrdiff_t = __PTRDIFF_TYPE__;
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# endif
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#endif
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using FlatPtr = Conditional<sizeof(void*) == 8, u64, u32>;
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constexpr u64 KiB = 1024;
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constexpr u64 MiB = KiB * KiB;
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constexpr u64 GiB = KiB * KiB * KiB;
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constexpr u64 TiB = KiB * KiB * KiB * KiB;
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constexpr u64 PiB = KiB * KiB * KiB * KiB * KiB;
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constexpr u64 EiB = KiB * KiB * KiB * KiB * KiB * KiB;
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namespace std {
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using nullptr_t = decltype(nullptr);
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}
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static constexpr u32 explode_byte(u8 b)
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{
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return b << 24 | b << 16 | b << 8 | b;
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}
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static_assert(explode_byte(0xff) == 0xffffffff);
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static_assert(explode_byte(0x80) == 0x80808080);
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static_assert(explode_byte(0x7f) == 0x7f7f7f7f);
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static_assert(explode_byte(0) == 0);
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constexpr size_t align_up_to(const size_t value, const size_t alignment)
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{
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return (value + (alignment - 1)) & ~(alignment - 1);
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}
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enum class [[nodiscard]] TriState : u8 {
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False,
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True,
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Unknown
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};
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namespace AK {
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enum MemoryOrder {
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memory_order_relaxed = __ATOMIC_RELAXED,
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memory_order_consume = __ATOMIC_CONSUME,
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memory_order_acquire = __ATOMIC_ACQUIRE,
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memory_order_release = __ATOMIC_RELEASE,
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memory_order_acq_rel = __ATOMIC_ACQ_REL,
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memory_order_seq_cst = __ATOMIC_SEQ_CST
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};
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}
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