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https://github.com/SerenityOS/serenity
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27f699ef0c
These types can be picked up by including <AK/Types.h>: * u8, u16, u32, u64 (unsigned) * i8, i16, i32, i64 (signed)
74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
#pragma once
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#include <AK/IterationDecision.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 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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