gcc/libgfortran/intrinsics/etime.c
Steven G. Kargl 0bf68c6eab etime.c (etime_sub): Remove array rank check; Add check for sufficient space.
* etime.c (etime_sub): Remove array rank check;
	Add check for sufficient space.

From-SVN: r83456
2004-06-21 22:25:12 +00:00

81 lines
2.0 KiB
C

/* Implementation of the ETIME intrinsic.
Copyright (C) 2004 Free Software Foundation, Inc.
Contributed by Steven G. Kargl <kargls@comcast.net>.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Libgfortran 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include <sys/types.h>
#include "libgfortran.h"
#include <stdio.h>
#if defined (HAVE_SYS_TIME_H) && defined (HAVE_SYS_RESOURCE_H)
#include <sys/time.h>
#include <sys/resource.h>
#endif
void
prefix(etime_sub) (gfc_array_r4 *t, GFC_REAL_4 *result)
{
GFC_REAL_4 tu, ts, tt, *tp;
index_type dim;
#if defined(HAVE_SYS_TIME_H) && defined(HAVE_SYS_RESOURCE_H)
struct rusage rt;
if (getrusage(RUSAGE_SELF, &rt) == 0)
{
tu = (GFC_REAL_4)(rt.ru_utime.tv_sec + 1.e-6 * rt.ru_utime.tv_usec);
ts = (GFC_REAL_4)(rt.ru_stime.tv_sec + 1.e-6 * rt.ru_stime.tv_usec);
tt = tu + ts;
}
else
{
tu = -1.;
ts = -1.;
tt = -1.;
}
#else
tu = -1.;
ts = -1.;
tt = -1.;
#endif
if (((t->dim[0].ubound + 1 - t->dim[0].lbound)) < 2)
runtime_error ("Insufficient number of elements in TARRAY.");
if (t->dim[0].stride == 0)
t->dim[0].stride = 1;
tp = t->data;
*tp = tu;
tp += t->dim[0].stride;
*tp = ts;
*result = tt;
}
GFC_REAL_4
prefix(etime) (gfc_array_r4 *t)
{
GFC_REAL_4 val;
prefix(etime_sub) (t, &val);
return val;
}