From a61cf61fd16f49a546987210b85db34769ff49ea Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Mon, 20 Mar 2023 19:45:09 +0200
Subject: [PATCH] BAN: Add wrappers for little/big endian numbers

---
 BAN/include/BAN/Endianness.h | 45 ++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 BAN/include/BAN/Endianness.h

diff --git a/BAN/include/BAN/Endianness.h b/BAN/include/BAN/Endianness.h
new file mode 100644
index 0000000000..a28d2b4960
--- /dev/null
+++ b/BAN/include/BAN/Endianness.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <BAN/Traits.h>
+
+#include <stddef.h>
+
+namespace BAN
+{
+
+	template<integral T>
+	struct LittleEndian
+	{
+		constexpr operator T() const
+		{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+			return raw;
+#else
+			T result { 0 };
+			for (size_t i = 0; i < sizeof(T); i++)
+				result = (result << 8) | ((raw >> (sizeof(T) - i - 1) * 8) & 0xFF);
+			return result;
+#endif
+		}
+		T raw;
+	};
+
+	template<integral T>
+	struct BigEndian
+	{
+		constexpr operator T() const
+		{
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+			return raw;
+#else
+			T result { 0 };
+			for (size_t i = 0; i < sizeof(T); i++)
+				result = (result << 8) | ((raw >> (i * 8)) & 0xFF);
+			return result;
+#endif
+		}
+	private:
+		T raw;
+	};
+
+}
\ No newline at end of file