serenity/AK/Types.h
Andreas Kling a190f67450 AK: Add u8/u16/u32/u64 and i8/i16/i32/i64 typedefs.
These are more explicit and will be immediately understandable unlike the
old types which assume that you're in an IA-32 headspace. :^)
2019-07-01 15:58:21 +02:00

94 lines
2.1 KiB
C++

#pragma once
#include <AK/IterationDecision.h>
#ifdef __serenity__
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long int u64;
static_assert(sizeof(u8) == 1);
static_assert(sizeof(u16) == 2);
static_assert(sizeof(u32) == 4);
static_assert(sizeof(u64) == 8);
typedef signed char i8;
typedef signed short i16;
typedef signed int i32;
typedef signed long long int i64;
static_assert(sizeof(i8) == 1);
static_assert(sizeof(i16) == 2);
static_assert(sizeof(i32) == 4);
static_assert(sizeof(i64) == 8);
typedef unsigned char byte;
typedef unsigned short word;
typedef unsigned int dword;
typedef unsigned long long int qword;
typedef signed char signed_byte;
typedef signed short signed_word;
typedef signed int signed_dword;
typedef signed long long int signed_qword;
typedef __SIZE_TYPE__ size_t;
typedef signed_dword ssize_t;
static_assert(sizeof(size_t) == sizeof(dword));
static_assert(sizeof(ssize_t) == sizeof(signed_dword));
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef byte uint8_t;
typedef word uint16_t;
typedef dword uint32_t;
typedef qword uint64_t;
typedef signed_byte int8_t;
typedef signed_word int16_t;
typedef signed_dword int32_t;
typedef signed_qword int64_t;
#else
# include <stdint.h>
# include <sys/types.h>
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
typedef uint8_t byte;
typedef uint16_t word;
typedef uint32_t dword;
typedef uint64_t qword;
typedef int8_t signed_byte;
typedef int16_t signed_word;
typedef int32_t signed_dword;
typedef int64_t signed_qword;
#endif
constexpr unsigned KB = 1024;
constexpr unsigned MB = KB * KB;
constexpr unsigned GB = KB * KB * KB;
namespace std {
typedef decltype(nullptr) nullptr_t;
}
static constexpr dword explode_byte(byte 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);