ladybird/AK/Types.h
Nico Weber 430b265cd4 AK: Rename KB, MB, GB to KiB, MiB, GiB
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.
2020-08-16 16:33:28 +02:00

105 lines
2.9 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/IterationDecision.h>
#include <AK/Platform.h>
#include <AK/StdLibExtras.h>
typedef __UINT64_TYPE__ u64;
typedef __UINT32_TYPE__ u32;
typedef __UINT16_TYPE__ u16;
typedef __UINT8_TYPE__ u8;
typedef __INT64_TYPE__ i64;
typedef __INT32_TYPE__ i32;
typedef __INT16_TYPE__ i16;
typedef __INT8_TYPE__ i8;
#ifdef __serenity__
typedef __SIZE_TYPE__ size_t;
typedef MakeSigned<size_t>::Type ssize_t;
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef __INTPTR_TYPE__ intptr_t;
typedef __UINTPTR_TYPE__ uintptr_t;
typedef u8 uint8_t;
typedef u16 uint16_t;
typedef u32 uint32_t;
typedef u64 uint64_t;
typedef i8 int8_t;
typedef i16 int16_t;
typedef i32 int32_t;
typedef i64 int64_t;
typedef int pid_t;
#else
# include <stddef.h>
# include <stdint.h>
# include <sys/types.h>
# ifdef __ptrdiff_t
typedef __PTRDIFF_TYPE__ __ptrdiff_t;
# endif
#endif
typedef Conditional<sizeof(void*) == 8, u64, u32>::Type FlatPtr;
constexpr unsigned KiB = 1024;
constexpr unsigned MiB = KiB * KiB;
constexpr unsigned GiB = KiB * KiB * KiB;
namespace std {
typedef decltype(nullptr) nullptr_t;
}
static constexpr u32 explode_byte(u8 b)
{
return b << 24 | b << 16 | b << 8 | b;
}
static_assert(explode_byte(0xff) == 0xffffffff);
static_assert(explode_byte(0x80) == 0x80808080);
static_assert(explode_byte(0x7f) == 0x7f7f7f7f);
static_assert(explode_byte(0) == 0);
inline constexpr size_t align_up_to(const size_t value, const size_t alignment)
{
return (value + (alignment - 1)) & ~(alignment - 1);
}
enum class [[nodiscard]] TriState : u8 {
False,
True,
Unknown
};