1 files changed, 21 insertions, 0 deletions
diff --git a/include/util/endian.hpp b/include/util/endian.hpp
new file mode 100644
index 0000000..18e49f6
--- /dev/null
+++ b/include/util/endian.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <bit>
+#include <concepts>
+
+template <std::integral T>
+    requires(sizeof(T) <= 8)
+T to_little(T x)
+{
+	if constexpr (std::endian::native == std::endian::little || sizeof(T) == 1) {
+		return x;
+	}
+	switch (sizeof(T)) {
+	case 2:
+		return __builtin_bswap16(x);
+	case 4:
+		return __builtin_bswap32(x);
+	case 8:
+		return __builtin_bswap64(x);
+	}
+}
+\ No newline at end of file