43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* tvarith.h
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* - static inline functions for doing arithmetic on timevals
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*/
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/*
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* This file is
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* Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
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*
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* It is part of adns, which is
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* Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
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* Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Id: tvarith.h,v 1.2 2002/08/13 14:44:59 fishwaldo Exp $
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*/
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#ifndef ADNS_TVARITH_H_INCLUDED
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#define ADNS_TVARITH_H_INCLUDED
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static INLINE void timevaladd(struct timeval *tv_io, long ms) {
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struct timeval tmp;
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assert(ms>=0);
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tmp= *tv_io;
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tmp.tv_usec += (ms%1000)*1000;
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tmp.tv_sec += ms/1000;
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if (tmp.tv_usec >= 1000000) { tmp.tv_sec++; tmp.tv_usec -= 1000000; }
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*tv_io= tmp;
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}
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#endif
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