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Diffstat (limited to 'lib/sh/clock.c')
-rw-r--r-- | lib/sh/clock.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/sh/clock.c b/lib/sh/clock.c new file mode 100644 index 0000000..1186a19 --- /dev/null +++ b/lib/sh/clock.c @@ -0,0 +1,81 @@ +/* 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 */ |