/*
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
#define LOG(kind,...) GNUNET_log_from (kind, "util",__VA_ARGS__)
-unsigned long long
-GNUNET_ntohll (unsigned long long n)
+uint64_t
+GNUNET_ntohll (uint64_t n)
{
#if __BYTE_ORDER == __BIG_ENDIAN
return n;
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+ return (((uint64_t) ntohl (n)) << 32) + ntohl (n >> 32);
#else
- return (((unsigned long long) ntohl (n)) << 32) + ntohl (n >> 32);
+ #error byteorder undefined
#endif
}
-unsigned long long
-GNUNET_htonll (unsigned long long n)
+uint64_t
+GNUNET_htonll (uint64_t n)
{
#if __BYTE_ORDER == __BIG_ENDIAN
return n;
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+ return (((uint64_t) htonl (n)) << 32) + htonl (n >> 32);
#else
- return (((unsigned long long) htonl (n)) << 32) + htonl (n >> 32);
+ #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 */