misc.c
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上传日期:2007-01-06
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文件大小:1k
- /* @(#)misc.c 1.1 98/08/16 Copyright 1998 J. Schilling */
- #ifndef lint
- static char sccsid[] =
- "@(#)misc.c 1.1 98/08/16 Copyright 1998 J. Schilling";
- #endif
- /*
- * Misc support functions
- *
- * Copyright (c) 1998 J. Schilling
- */
- /*
- * 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; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include <mconfig.h>
- #include <timedefs.h>
- #include <standard.h>
- EXPORT void timevaldiff __PR((struct timeval *start, struct timeval *stop));
- EXPORT void
- timevaldiff(start, stop)
- struct timeval *start;
- struct timeval *stop;
- {
- struct timeval tv;
- tv.tv_sec = stop->tv_sec - start->tv_sec;
- tv.tv_usec = stop->tv_usec - start->tv_usec;
- while (tv.tv_usec > 1000000) {
- tv.tv_usec -= 1000000;
- tv.tv_sec += 1;
- }
- while (tv.tv_usec < 0) {
- tv.tv_usec += 1000000;
- tv.tv_sec -= 1;
- }
- *stop = tv;
- }