| /* Copyright (C) 1997, 1998, 1999, 2001 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> |
| #include <sys/types.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 |
| #if defined (_WIN32) |
| #include <windows.h> |
| #undef min |
| #undef max |
| #endif |
| #include "f2c.h" |
| |
| void s_copy (register char *a, register char *b, ftnlen la, ftnlen lb); |
| |
| 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 (<); |
| struct tm ltime = *localtime (<), gtime = *gmtime (<); |
| char dat[9], zon[6], ftim[11]; |
| int i, vals[8]; |
| #if defined (_WIN32) |
| struct _SYSTEMTIME wdattim; |
| GetLocalTime(&wdattim); |
| vals[7] = wdattim.wMilliseconds; |
| #else |
| vals[7] = 0; /* no STDC/POSIX way to get this */ |
| /* GNUish way; maybe use `ftime' on other systems. */ |
| #endif |
| |
| 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; |
| #if HAVE_GETTIMEOFDAY |
| { |
| struct timeval tp; |
| # if GETTIMEOFDAY_ONE_ARGUMENT |
| if (!gettimeofday (&tp)) |
| # else |
| # if HAVE_STRUCT_TIMEZONE |
| struct timezone tzp; |
| /* Some systems such as HPUX, do have struct timezone, but |
| gettimeofday takes void* as the 2nd arg. However, the effect |
| of passing anything other than a null pointer is unspecified on |
| HPUX. Configure checks if gettimeofday actually fails with a |
| non-NULL arg and pretends that struct timezone is missing if it |
| does fail. */ |
| if (!gettimeofday (&tp, &tzp)) |
| # else |
| if (!gettimeofday (&tp, (void *) 0)) |
| # endif /* HAVE_STRUCT_TIMEZONE */ |
| # endif /* GETTIMEOFDAY_ONE_ARGUMENT */ |
| vals[7] = tp.tv_usec / 1000; |
| } |
| #endif /* HAVE_GETTIMEOFDAY */ |
| 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; |
| } |