--- /dev/null
+// $Id: fmt-tai64n.c,v 1.1 2004/06/16 10:06:03 ensc Exp $ --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// This program 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; version 2 of the License.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "fmt.h"
+#include "fmt-internal.h"
+
+#include <sys/time.h>
+#include <string.h>
+#include <assert.h>
+
+size_t
+FMT_P(tai64n)(char *buf, struct timeval const *now)
+{
+ uint64_t tai_secs = 1ll << 62;
+ char * ptr = buf;
+ size_t l;
+
+ tai_secs += now->tv_sec;
+ *ptr++ = '@';
+
+ l = FMT_P(xuint64)(ptr, tai_secs); // always 16 bytes
+ assert(l==16);
+ ptr += 16;
+
+ memset(ptr, '0', 8);
+ l = FMT_P(xuint32)(0, now->tv_usec*1000);
+ FMT_P(xuint32)(ptr+8-l, now->tv_usec*1000);
+
+ ptr += 8;
+
+ return ptr-buf;
+}