mirrors/suyu
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/suyu.git synced 2024-11-15 22:54:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #4342 from lioncash/endian

Browse source 
common/swap: Make use of std::endian
This commit is contained in:
Rodrigo Locatti 2020-07-14 18:49:07 -03:00 committed by GitHub
commit 263200f982
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
src/common/swap.h
View file

@ -17,43 +17,14 @@
#pragma once
#include <type_traits>
#if defined(_MSC_VER)
#include <cstdlib>
#endif
#include <bit>
#include <cstring>
#include <type_traits>
#include "common/common_types.h"
// GCC
#ifdef __GNUC__
#if __BYTE_ORDER__ && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) && !defined(COMMON_LITTLE_ENDIAN)
#define COMMON_LITTLE_ENDIAN 1
#elif __BYTE_ORDER__ && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) && !defined(COMMON_BIG_ENDIAN)
#define COMMON_BIG_ENDIAN 1
#endif
// LLVM/clang
#elif defined(__clang__)
#if __LITTLE_ENDIAN__ && !defined(COMMON_LITTLE_ENDIAN)
#define COMMON_LITTLE_ENDIAN 1
#elif __BIG_ENDIAN__ && !defined(COMMON_BIG_ENDIAN)
#define COMMON_BIG_ENDIAN 1
#endif
// MSVC
#elif defined(_MSC_VER) && !defined(COMMON_BIG_ENDIAN) && !defined(COMMON_LITTLE_ENDIAN)
#define COMMON_LITTLE_ENDIAN 1
#endif
// Worst case, default to little endian.
#if !COMMON_BIG_ENDIAN && !COMMON_LITTLE_ENDIAN
#define COMMON_LITTLE_ENDIAN 1
#endif
namespace Common {
#ifdef _MSC_VER
@ -675,17 +646,8 @@ struct AddEndian<T, SwapTag> {
};
// Alias LETag/BETag as KeepTag/SwapTag depending on the system
#if COMMON_LITTLE_ENDIAN
using LETag = KeepTag;
using BETag = SwapTag;
#else
using BETag = KeepTag;
using LETag = SwapTag;
#endif
using LETag = std::conditional_t<std::endian::native == std::endian::little, KeepTag, SwapTag>;
using BETag = std::conditional_t<std::endian::native == std::endian::big, KeepTag, SwapTag>;
// Aliases for LE types
using u16_le = AddEndian<u16, LETag>::type;