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The SI prefixes "k", "M", "G" mean "10^3", "10^6", "10^9". The IEC prefixes "Ki", "Mi", "Gi" mean "2^10", "2^20", "2^30". Let's use the correct name, at least in code. Only changes the name of the constants, no other behavior change.
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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typedef __UINT64_TYPE__ u64;
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typedef __UINT32_TYPE__ u32;
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typedef __UINT16_TYPE__ u16;
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typedef __UINT8_TYPE__ u8;
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typedef __INT64_TYPE__ i64;
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typedef __INT32_TYPE__ i32;
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typedef __INT16_TYPE__ i16;
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typedef __INT8_TYPE__ i8;
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#ifdef __serenity__
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typedef __SIZE_TYPE__ size_t;
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typedef MakeSigned<size_t>::Type ssize_t;
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typedef __PTRDIFF_TYPE__ ptrdiff_t;
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typedef __INTPTR_TYPE__ intptr_t;
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typedef __UINTPTR_TYPE__ uintptr_t;
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typedef u8 uint8_t;
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typedef u16 uint16_t;
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typedef u32 uint32_t;
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typedef u64 uint64_t;
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typedef i8 int8_t;
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typedef i16 int16_t;
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typedef i32 int32_t;
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typedef i64 int64_t;
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typedef int pid_t;
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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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typedef __PTRDIFF_TYPE__ __ptrdiff_t;
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# endif
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#endif
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typedef Conditional<sizeof(void*) == 8, u64, u32>::Type FlatPtr;
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constexpr unsigned KiB = 1024;
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constexpr unsigned MiB = KiB * KiB;
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constexpr unsigned GiB = KiB * KiB * KiB;
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namespace std {
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typedef decltype(nullptr) nullptr_t;
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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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inline 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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