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e07b34b9b8
We should move towards using uintptr_t instead of u32 for pointers everywhere, to prepare for an eventual 64-bit port.
110 lines
3.2 KiB
C++
110 lines
3.2 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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#ifdef __serenity__
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned long long int u64;
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static_assert(sizeof(u8) == 1);
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static_assert(sizeof(u16) == 2);
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static_assert(sizeof(u32) == 4);
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static_assert(sizeof(u64) == 8);
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typedef signed char i8;
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typedef signed short i16;
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typedef signed int i32;
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typedef signed long long int i64;
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static_assert(sizeof(i8) == 1);
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static_assert(sizeof(i16) == 2);
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static_assert(sizeof(i32) == 4);
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static_assert(sizeof(i64) == 8);
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typedef __SIZE_TYPE__ size_t;
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typedef i32 ssize_t;
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static_assert(sizeof(size_t) == sizeof(u32));
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static_assert(sizeof(ssize_t) == sizeof(i32));
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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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#else
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# include <stdint.h>
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# include <sys/types.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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#endif
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constexpr unsigned KB = 1024;
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constexpr unsigned MB = KB * KB;
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constexpr unsigned GB = KB * KB * KB;
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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 TriState : u8 { False, True, Unknown };
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