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/* Implementation of the CTIME and FDATE g77 intrinsics.
Copyright (C) 2005, 2007, 2009, 2011 Free Software Foundation, Inc.
Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran 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 3 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 General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# ifdef HAVE_TIME_H
# include <time.h>
# endif
# endif
#endif
#include <string.h>
#ifndef HAVE_CTIME_R
static char *
ctime_r (const time_t * timep, char * buf __attribute__((unused)))
{
#ifdef HAVE_CTIME
return ctime (timep);
#else
return NULL;
#endif
}
#endif
/* ctime_r() buffer size needs to be at least 26 bytes. */
#define CSZ 26
extern void fdate (char **, gfc_charlen_type *);
export_proto(fdate);
void
fdate (char ** date, gfc_charlen_type * date_len)
{
#if defined(HAVE_TIME) && defined(HAVE_CTIME)
char cbuf[CSZ];
int i;
time_t now = time(NULL);
*date = ctime_r (&now, cbuf);
if (*date != NULL)
{
*date = strdup (*date);
*date_len = strlen (*date);
i = 0;
while ((*date)[i])
{
if ((*date)[i] == '\n')
(*date)[i] = ' ';
i++;
}
return;
}
#endif
*date = NULL;
*date_len = 0;
}
extern void fdate_sub (char *, gfc_charlen_type);
export_proto(fdate_sub);
void
fdate_sub (char * date, gfc_charlen_type date_len)
{
#if defined(HAVE_TIME) && defined(HAVE_CTIME)
char cbuf[CSZ];
int i;
char *d;
time_t now = time(NULL);
#endif
memset (date, ' ', date_len);
#if defined(HAVE_TIME) && defined(HAVE_CTIME)
d = ctime_r (&now, cbuf);
if (d != NULL)
{
i = 0;
while (*d && *d != '\n' && i < date_len)
date[i++] = *(d++);
}
#endif
}
extern void PREFIX(ctime) (char **, gfc_charlen_type *, GFC_INTEGER_8);
export_proto_np(PREFIX(ctime));
void
PREFIX(ctime) (char ** date, gfc_charlen_type * date_len, GFC_INTEGER_8 t)
{
#if defined(HAVE_CTIME)
char cbuf[CSZ];
time_t now = t;
int i;
*date = ctime_r (&now, cbuf);
if (*date != NULL)
{
*date = strdup (*date);
*date_len = strlen (*date);
i = 0;
while ((*date)[i])
{
if ((*date)[i] == '\n')
(*date)[i] = ' ';
i++;
}
return;
}
#endif
*date = NULL;
*date_len = 0;
}
extern void ctime_sub (GFC_INTEGER_8 *, char *, gfc_charlen_type);
export_proto(ctime_sub);
void
ctime_sub (GFC_INTEGER_8 * t, char * date, gfc_charlen_type date_len)
{
#if defined(HAVE_CTIME)
char cbuf[CSZ];
int i;
char *d;
time_t now = *t;
#endif
memset (date, ' ', date_len);
#if defined(HAVE_CTIME)
d = ctime_r (&now, cbuf);
if (d != NULL)
{
i = 0;
while (*d && *d != '\n' && i < date_len)
date[i++] = *(d++);
}
#endif
}
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