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f2cext.c (system_clock_): Remove (just f90 intrinsic). 

1998-07-05  Dave Love  <d.love@dl.ac.uk>
	* f2cext.c (system_clock_): Remove (just f90 intrinsic).
	* Makefile.in (F2CEXT): Add datetime, remove sclock.
	(UOBJ): Add libU77/datetime_.o.
	* libU77/config.h.in: Add HAVE_GETTIMEOFDAY.
	* libU77/configure.in: Check for gettimeofday.
	* libU77/datetime_.c: New file.
	* libU77/sys_clock_.c: Allow optional args.
	* libU77/Makefile.in (G77DIR): Fix for current directory
	structure.
	(SRCS, OBJS): Add datetime.

From-SVN: r20942
This commit is contained in:
Dave Love 1998-07-06 09:03:28 +00:00
parent a60cb98615
commit 235d853db1
1 changed files with 78 additions and 0 deletions
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libf2c/libU77/datetime_.c Normal file
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/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of GNU Fortran libU77 library.
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GNU Fortran 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with GNU Fortran; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include "f2c.h"
int G77_date_and_time_0 (char *date, char *fftime, char *zone,
integer *values, ftnlen date_len,
ftnlen fftime_len, ftnlen zone_len)
{
time_t lt=time(&lt);
struct tm ltime = *localtime(&lt), gtime = *gmtime(&lt);
char dat[9], zon[6], ftim[11];
int i, vals[8];
vals[0] = 1900 + ltime.tm_year;
vals[1] = 1 + ltime.tm_mon;
vals[2] = ltime.tm_mday;
/* fixme: year boundaries */
vals[3] = (ltime.tm_min - gtime.tm_min +
60*(ltime.tm_hour - gtime.tm_hour +
24*(ltime.tm_yday -gtime.tm_yday)));
vals[4] = ltime.tm_hour;
vals[5] = ltime.tm_min;
vals[6] = ltime.tm_sec;
vals[7] = 0; /* no STDC way to get this */
/* GNUish way; maybe use `ftime' on other systems. */
#if HAVE_GETTIMEOFDAY
{
struct timeval tp;
struct timezone tzp;
if (! gettimeofday (&tp, &tzp))
vals[7] = tp.tv_usec;
}
#endif
if (values) /* null pointer for missing optional */
for (i=0; i<=7; i++)
values[i] = vals[i];
sprintf (dat, "%04d%02d%02d", vals[0], vals[1], vals[2]);
s_copy(date, dat, date_len, 8);
if (zone) {
sprintf(zon, "%+03d%02d", vals[3] / 60, abs(vals[3] % 60));
s_copy(zone, zon, zone_len, 5);
}
if (fftime) {
sprintf (ftim, "%02d%02d%02d.%03d", vals[4], vals[5], vals[6], vals[7]);
s_copy(fftime, ftim, fftime_len, 10);
}
return 0;
}