byteorder: Simplify htoun64/untoh64 functions

src/libstrongswan/utils/utils/byteorder.h

@@ -112,21 +112,8 @@ static inline void htoun64(void *network, u_int64_t host)
 {
 	char *unaligned = (char*)network;
 
-#ifdef be64toh
 	host = htobe64(host);
 	memcpy((char*)unaligned, &host, sizeof(host));
-#else
-	u_int32_t high_part, low_part;
-
-	high_part = host >> 32;
-	high_part = htonl(high_part);
-	low_part  = host & 0xFFFFFFFFLL;
-	low_part  = htonl(low_part);
-
-	memcpy(unaligned, &high_part, sizeof(high_part));
-	unaligned += sizeof(high_part);
-	memcpy(unaligned, &low_part, sizeof(low_part));
-#endif
 }
 
 /**
@@ -168,24 +155,10 @@ static inline u_int32_t untoh32(void *network)
 static inline u_int64_t untoh64(void *network)
 {
 	char *unaligned = (char*)network;
-
-#ifdef be64toh
 	u_int64_t tmp;
 
 	memcpy(&tmp, unaligned, sizeof(tmp));
 	return be64toh(tmp);
-#else
-	u_int32_t high_part, low_part;
-
-	memcpy(&high_part, unaligned, sizeof(high_part));
-	unaligned += sizeof(high_part);
-	memcpy(&low_part, unaligned, sizeof(low_part));
-
-	high_part = ntohl(high_part);
-	low_part  = ntohl(low_part);
-
-	return (((u_int64_t)high_part) << 32) + low_part;
-#endif
 }
 
 /**