refactor bitfield io

src/sp/common/ByteSwapping.cpp

@@ -1,49 +1,21 @@
 #include <sp/common/ByteSwapping.h>
 
-#ifdef _WIN32
-
-#include <winsock2.h>
-
-#else
-
-#include <arpa/inet.h>
-#include <endian.h>
-
-#define htonll htobe64
-#define ntohll be64toh
-
-#endif
+#include <algorithm>
 
 namespace sp {
 
-template <>
-void ToNetwork<std::uint16_t>(std::uint16_t& value) {
-	value = htons(value);
+bool IsLittleEndian() {
+#ifdef SP_BIG_ENDIAN
+	return false;
+#else
+	return true;
+#endif
 }
 
-template <>
-void ToNetwork<std::uint32_t>(std::uint32_t& value) {
-	value = htonl(value);
-}
-
-template <>
-void ToNetwork<std::uint64_t>(std::uint64_t& value) {
-	value = htonll(value);
-}
-
-template <>
-void FromNetwork<std::uint16_t>(std::uint16_t& value) {
-	value = ntohs(value);
-}
-
-template <>
-void FromNetwork<std::uint32_t>(std::uint32_t& value) {
-	value = ntohl(value);
-}
-
-template <>
-void FromNetwork<std::uint64_t>(std::uint64_t& value) {
-	value = ntohll(value);
+void SwapBytes(std::uint8_t* begin, std::uint8_t* end) {
+	if (IsLittleEndian()) {
+		std::reverse(begin, end);
+	}
 }
 
 }  // namespace sp