| 1 | /* clock.c - operations on struct tms and clock_t's */
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| 2 |
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| 3 | /* Copyright (C) 1999 Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is part of GNU Bash, the Bourne Again SHell.
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| 6 |
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| 7 | Bash is free software; you can redistribute it and/or modify it under
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| 8 | the terms of the GNU General Public License as published by the Free
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| 9 | Software Foundation; either version 2, or (at your option) any later
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| 10 | version.
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| 11 |
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| 12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 15 | for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License along
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| 18 | with Bash; see the file COPYING. If not, write to the Free Software
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| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
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| 20 |
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| 21 | #include <config.h>
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| 22 |
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| 23 | #if defined (HAVE_TIMES)
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| 24 |
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| 25 | #include <sys/types.h>
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| 26 | #include <posixtime.h>
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| 27 |
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| 28 | #if defined (HAVE_SYS_TIMES_H)
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| 29 | # include <sys/times.h>
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| 30 | #endif
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| 31 |
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| 32 | #include <stdio.h>
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| 33 | #include <stdc.h>
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| 34 |
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| 35 | extern long get_clk_tck __P((void));
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| 36 |
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| 37 | void
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| 38 | clock_t_to_secs (t, sp, sfp)
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| 39 | clock_t t;
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| 40 | time_t *sp;
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| 41 | int *sfp;
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| 42 | {
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| 43 | static long clk_tck = -1;
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| 44 |
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| 45 | if (clk_tck == -1)
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| 46 | clk_tck = get_clk_tck ();
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| 47 |
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| 48 | *sfp = t % clk_tck;
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| 49 | *sfp = (*sfp * 1000) / clk_tck;
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| 50 |
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| 51 | *sp = t / clk_tck;
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| 52 |
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| 53 | /* Sanity check */
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| 54 | if (*sfp >= 1000)
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| 55 | {
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| 56 | *sp += 1;
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| 57 | *sfp -= 1000;
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | /* Print the time defined by a clock_t (returned by the `times' and `time'
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| 62 | system calls) in a standard way to stdio stream FP. This is scaled in
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| 63 | terms of the value of CLK_TCK, which is what is returned by the
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| 64 | `times' call. */
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| 65 | void
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| 66 | print_clock_t (fp, t)
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| 67 | FILE *fp;
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| 68 | clock_t t;
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| 69 | {
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| 70 | time_t timestamp;
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| 71 | long minutes;
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| 72 | int seconds, seconds_fraction;
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| 73 |
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| 74 | clock_t_to_secs (t, ×tamp, &seconds_fraction);
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| 75 |
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| 76 | minutes = timestamp / 60;
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| 77 | seconds = timestamp % 60;
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| 78 |
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| 79 | fprintf (fp, "%ldm%d.%03ds", minutes, seconds, seconds_fraction);
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| 80 | }
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| 81 | #endif /* HAVE_TIMES */
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