2008-08-24 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Added ntoh64 and hton64 as inline functions.
	* src/Util.cc
	* test/UtilTest.cc

1 files changed, 13 insertions, 0 deletions

diff --git a/src/Util.h b/src/Util.h
index 422e9911..7e63b060 100644
--- a/src/Util.h
+++ b/src/Util.h
@@ -61,6 +61,19 @@ class FileEntry;
 
 #define DIV_FLOOR(X,Y) ((X)/(Y)+((X)%(Y)? 1:0))
 
+#ifdef WORDS_BIGENDIAN
+inline uint64_t ntoh64(uint64_t x) { return x; }
+inline uint64_t hton64(uint64_t x) { return x; }
+#else // !WORDS_BIGENDIAN
+inline uint64_t byteswap64(uint64_t x) {
+  uint64_t v1 = ntohl(x & 0x00000000ffffffff);
+  uint64_t v2 = ntohl(x >> 32);
+  return (v1 << 32)|v2;
+}
+inline uint64_t ntoh64(uint64_t x) { return byteswap64(x); }
+inline uint64_t hton64(uint64_t x) { return byteswap64(x); }
+#endif // !WORDS_BIGENDIAN
+
 class Util {
 public:
   static void split(std::pair<std::string, std::string>& hp,