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/*
* Project : tin - a Usenet reader
* Module : stpwatch.h
* Author : I. Lea
* Created : 03.08.1993
* Updated : 05.04.1997
* Notes : Simple stopwatch routines for timing code using timeb
* or gettimeofday structs
* Copyright : (c) Copyright 1991-98 by Iain Lea
* You may freely copy or redistribute this software,
* so long as there is no profit made from its use, sale
* trade or reproduction. You may not change this copy-
* right notice, and it must be included in any copy made
*/
#ifndef STPWATCH_H
# define STPWATCH_H 1
# ifdef PROFILE
# if defined(HAVE_SYS_TIMEB_H) && defined(HAVE_FTIME)
# include <sys/timeb.h>
char msg_tb[LEN];
char tmp_tb[LEN];
struct timeb beg_tb;
struct timeb end_tb;
# define LSECS 700000000
# define BegStopWatch(msg) {strcpy (msg_tb, msg); ftime (&beg_tb);}
# define EndStopWatch() {ftime (&end_tb);}
# define PrintStopWatch() {sprintf (tmp_tb, "%s: Beg=[%ld.%d] End=[%ld.%d] Elapsed=[%ld]", \
msg_tb, beg_tb.time, beg_tb.millitm, \
end_tb.time, end_tb.millitm, \
(((end_tb.time - LSECS) * 1000) + end_tb.millitm) - \
(((beg_tb.time - LSECS) * 1000) + beg_tb.millitm)); \
error_message (tmp_tb, "");}
# else /* HAVE_SYS_TIMEB_H && HAVE_FTIME */
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
char msg_tb[LEN], tmp_tb[LEN];
struct timeval beg_tb, end_tb;
float d_time;
# define BegStopWatch(msg) {strcpy (msg_tb, msg); \
(void) gettimeofday (&beg_tb, NULL);}
# define EndStopWatch() {(void) gettimeofday (&end_tb, NULL); \
if ((end_tb.tv_usec -= beg_tb.tv_usec) < 0) { \
end_tb.tv_sec--; \
end_tb.tv_usec += 1000000; \
} \
end_tb.tv_sec -= beg_tb.tv_sec; \
d_time = (end_tb.tv_sec*1000.0 + ((float)end_tb.tv_usec)/1000.0);}
# define PrintStopWatch() {sprintf (tmp_tb, "StopWatch(%s): %6.3f ms", msg_tb, d_time); \
error_message (tmp_tb, "");}
# endif /* HAVE_SYS_TIME_H */
# endif /* HAVE_SYS_TIMEB_H && HAVE_FTIME */
# else /* PROFILE */
# define BegStopWatch(msg)
# define EndStopWatch()
# define PrintStopWatch()
# endif /* PROFILE */
#endif /* !STPWATCH_H */
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