ReactOS  0.4.14-dev-1112-g2b067d6
tvarith.h
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1 /*
2  * tvarith.h
3  * - static inline functions for doing arithmetic on timevals
4  */
5 /*
6  * This file is
7  * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
8  *
9  * It is part of adns, which is
10  * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
11  * Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2, or (at your option)
16  * any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26  */
27 
28 #ifndef ADNS_TVARITH_H_INCLUDED
29 #define ADNS_TVARITH_H_INCLUDED
30 
31 static inline void timevaladd(struct timeval *tv_io, long ms) {
32  struct timeval tmp;
33  assert(ms>=0);
34  tmp= *tv_io;
35  tmp.tv_usec += (ms%1000)*1000;
36  tmp.tv_sec += ms/1000;
37  if (tmp.tv_usec >= 1000000) { tmp.tv_sec++; tmp.tv_usec -= 1000000; }
38  *tv_io= tmp;
39 }
40 
41 #endif
unsigned long tv_sec
Definition: linux.h:1738
#define assert(x)
Definition: debug.h:53
unsigned long tv_usec
Definition: linux.h:1739
static void timevaladd(struct timeval *tv_io, long ms)
Definition: tvarith.h:31