X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Futil%2Fcommon_endian.c;h=117e575e4b228ec3341331a46800f516b0566469;hb=27520ef39b732562a6c4ffa8640b44250ad72a4a;hp=34a1dbf549238543916f1dac06b3fc2cf803dae7;hpb=ace2c35bfb8d7eb2180569c9c0a7d92008c3718a;p=oweals%2Fgnunet.git

diff --git a/src/util/common_endian.c b/src/util/common_endian.c
index 34a1dbf54..117e575e4 100644
--- a/src/util/common_endian.c
+++ b/src/util/common_endian.c
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2001, 2002, 2003, 2004, 2006 Christian Grothoff (and other contributing authors)
+     (C) 2001, 2002, 2003, 2004, 2006, 2012 Christian Grothoff (and other contributing authors)
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -34,8 +34,10 @@ GNUNET_ntohll (uint64_t n)
 {
 #if __BYTE_ORDER == __BIG_ENDIAN
   return n;
-#else
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
   return (((uint64_t) ntohl (n)) << 32) + ntohl (n >> 32);
+#else
+  #error byteorder undefined
 #endif
 }
 
@@ -44,11 +46,49 @@ GNUNET_htonll (uint64_t n)
 {
 #if __BYTE_ORDER == __BIG_ENDIAN
   return n;
-#else
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
   return (((uint64_t) htonl (n)) << 32) + htonl (n >> 32);
+#else
+  #error byteorder undefined
 #endif
 }
 
 
+/**
+ * Convert double to network-byte-order.
+ * @param d the value in network byte order
+ * @return the same value in host byte order
+ */
+double 
+GNUNET_hton_double (double d) 
+{
+  double res;
+  uint64_t *in = (uint64_t *) &d;
+  uint64_t *out = (uint64_t *) &res;
+
+  out[0] = GNUNET_htonll(in[0]);
+
+  return res;
+}
+
+
+/**
+ * Convert double to host-byte-order
+ * @param d the value in network byte order
+ * @return the same value in host byte order
+ */
+double 
+GNUNET_ntoh_double (double d) 
+{
+  double res;
+  uint64_t *in = (uint64_t *) &d;
+  uint64_t *out = (uint64_t *) &res;
+
+  out[0] = GNUNET_ntohll(in[0]);
+ 
+  return res;
+}
+
+
 
 /* end of common_endian.c */