mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-25 00:50:22 +00:00
102 lines
2.9 KiB
C++
102 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 <stdint.h>
|
|
# include <stddef.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 KB = 1024;
|
|
constexpr unsigned MB = KB * KB;
|
|
constexpr unsigned GB = KB * KB * KB;
|
|
|
|
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 TriState : u8 { False,
|
|
True,
|
|
Unknown };
|