81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* clock.c - operations on struct tms and clock_t's */
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/* Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#if defined (HAVE_TIMES)
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#include <sys/types.h>
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#include <posixtime.h>
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#if defined (HAVE_SYS_TIMES_H)
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# include <sys/times.h>
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#endif
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#include <stdio.h>
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#include <stdc.h>
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extern long get_clk_tck __P((void));
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void
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clock_t_to_secs (t, sp, sfp)
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clock_t t;
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time_t *sp;
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int *sfp;
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{
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static long clk_tck = -1;
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if (clk_tck == -1)
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clk_tck = get_clk_tck ();
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*sfp = t % clk_tck;
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*sfp = (*sfp * 1000) / clk_tck;
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*sp = t / clk_tck;
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/* Sanity check */
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if (*sfp >= 1000)
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{
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*sp += 1;
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*sfp -= 1000;
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}
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}
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/* Print the time defined by a clock_t (returned by the `times' and `time'
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system calls) in a standard way to stdio stream FP. This is scaled in
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terms of the value of CLK_TCK, which is what is returned by the
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`times' call. */
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void
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print_clock_t (fp, t)
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FILE *fp;
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clock_t t;
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{
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time_t timestamp;
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long minutes;
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int seconds, seconds_fraction;
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clock_t_to_secs (t, ×tamp, &seconds_fraction);
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minutes = timestamp / 60;
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seconds = timestamp % 60;
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fprintf (fp, "%ldm%d.%03ds", minutes, seconds, seconds_fraction);
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}
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#endif /* HAVE_TIMES */
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