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/* clock.c - operations on struct tms and clock_t's */
/* Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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.
Bash 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 Bash; see the file COPYING. If not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
#include <config.h>
#if defined (HAVE_TIMES)
#include <sys/types.h>
#include <posixtime.h>
#if defined (HAVE_SYS_TIMES_H)
# include <sys/times.h>
#endif
#include <stdio.h>
#include <stdc.h>
extern long get_clk_tck __P((void));
void
clock_t_to_secs (t, sp, sfp)
clock_t t;
time_t *sp;
int *sfp;
{
static long clk_tck = -1;
if (clk_tck == -1)
clk_tck = get_clk_tck ();
*sfp = t % clk_tck;
*sfp = (*sfp * 1000) / clk_tck;
*sp = t / clk_tck;
/* Sanity check */
if (*sfp >= 1000)
{
*sp += 1;
*sfp -= 1000;
}
}
/* Print the time defined by a clock_t (returned by the `times' and `time'
system calls) in a standard way to stdio stream FP. This is scaled in
terms of the value of CLK_TCK, which is what is returned by the
`times' call. */
void
print_clock_t (fp, t)
FILE *fp;
clock_t t;
{
time_t timestamp;
long minutes;
int seconds, seconds_fraction;
clock_t_to_secs (t, ×tamp, &seconds_fraction);
minutes = timestamp / 60;
seconds = timestamp % 60;
fprintf (fp, "%ldm%d.%03ds", minutes, seconds, seconds_fraction);
}
#endif /* HAVE_TIMES */
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