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Diffstat (limited to 'adns-0.6/src/tvarith.h')
| -rw-r--r-- | adns-0.6/src/tvarith.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/adns-0.6/src/tvarith.h b/adns-0.6/src/tvarith.h new file mode 100644 index 0000000..202da1f --- /dev/null +++ b/adns-0.6/src/tvarith.h @@ -0,0 +1,41 @@ +/* + * 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)*1000; + tmp.tv_sec += ms/1000; + if (tmp.tv_usec >= 1000000) { tmp.tv_sec++; tmp.tv_usec -= 1000000; } + *tv_io= tmp; +} + +#endif |