tvarith.h in right place.

[adns.git] / src / tvarith.h

diff --git a/src/tvarith.h b/src/tvarith.h
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+++ b/src/tvarith.h
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+/*
+ * tvarith.h
+ * - static inline functions for doing arithmetic on timevals
+ */
+/*
+ *  This file is
+ *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *
+ *  It is part of adns, which is
+ *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+ *    Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ *
+ *  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; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  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.
+ */
+
+#ifndef ADNS_TVARITH_H_INCLUDED
+#define ADNS_TVARITH_H_INCLUDED
+
+static inline void timevaladd(struct timeval *tv_io, long ms) {
+  struct timeval tmp;
+  assert(ms>=0);
+  tmp= *tv_io;
+  tmp.tv_usec += (ms%1000)*1000000;
+  tmp.tv_sec += ms/1000;
+  if (tmp.tv_usec >= 1000000) { tmp.tv_sec++; tmp.tv_usec -= 1000; }
+  *tv_io= tmp;
+}
+
+#endif