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authorChristian Grothoff <christian@grothoff.org>2009-05-29 00:46:26 +0000
committerChristian Grothoff <christian@grothoff.org>2009-05-29 00:46:26 +0000
commit0a217a8df1657b4334b55b0e4a6c7837a8dbcfd9 (patch)
tree6b552f40eb089db96409a312a98d9b12bd669102 /src/util/common_endian.c
ng
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diff --git a/src/util/common_endian.c b/src/util/common_endian.c
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+/*
+ This file is part of GNUnet.
+ (C) 2001, 2002, 2003, 2004, 2006 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
+ by the Free Software Foundation; either version 2, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file util/common_endian.c
+ * @brief endian conversion helpers
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include "gnunet_common.h"
+
+unsigned long long
+GNUNET_ntohll (unsigned long long n)
+{
+#if __BYTE_ORDER == __BIG_ENDIAN
+ return n;
+#else
+ return (((unsigned long long) ntohl (n)) << 32) + ntohl (n >> 32);
+#endif
+}
+
+unsigned long long
+GNUNET_htonll (unsigned long long n)
+{
+#if __BYTE_ORDER == __BIG_ENDIAN
+ return n;
+#else
+ return (((unsigned long long) htonl (n)) << 32) + htonl (n >> 32);
+#endif
+}
+
+
+
+/* end of common_endian.c */