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-rw-r--r--src/common/swap.h46
1 files changed, 4 insertions, 42 deletions
diff --git a/src/common/swap.h b/src/common/swap.h
index 71932c2bb..7665942a2 100644
--- a/src/common/swap.h
+++ b/src/common/swap.h
@@ -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;