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Diffstat (limited to 'contrib/libf2c/libU77/datetime_.c')
| -rw-r--r-- | contrib/libf2c/libU77/datetime_.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/contrib/libf2c/libU77/datetime_.c b/contrib/libf2c/libU77/datetime_.c new file mode 100644 index 0000000..cd7c7ca --- /dev/null +++ b/contrib/libf2c/libU77/datetime_.c @@ -0,0 +1,109 @@ +/* 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; +} |
