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/* -*- mode: c; style: linux -*- */
/* util.c
* Copyright (C) 2000-2001 Ximian, Inc.
*
* Written by Bradford Hovinen (hovinen@ximian.com)
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; 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 <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
/* Read a fixed-digit number from a string, advancing the string
* pointer. Return TRUE if the extraction was successful, FALSE if
* there was no number to extract or if the number was too short.
*/
gboolean
extract_number (char **str, int *number, int digits)
{
char buf[64];
if (!isdigit (**str)) return FALSE;
if (digits > 63) digits = 63;
strncpy (buf, *str, digits);
buf[digits] = '\0';
*number = atoi (buf);
if (strlen (buf) < digits) return FALSE;
*str += digits;
return TRUE;
}
struct tm *
parse_date (char *str)
{
struct tm *date;
gboolean ok;
gint value;
ok = extract_number (&str, &value, 4);
if (!ok) return NULL;
date = g_new (struct tm, 1);
date->tm_isdst = 0;
date->tm_year = value - 1900;
date->tm_mon = 11;
date->tm_mday = 31;
date->tm_hour = 23;
date->tm_min = 59;
date->tm_sec = 59;
if (extract_number (&str, &value, 2))
date->tm_mon = value - 1;
else
return date;
if (extract_number (&str, &value, 2))
date->tm_mday = value;
else
return date;
if (extract_number (&str, &value, 2))
date->tm_hour = value;
else
return date;
if (extract_number (&str, &value, 2))
date->tm_min = value;
else
return date;
if (extract_number (&str, &value, 2))
date->tm_sec = value;
#ifdef __USE_BSD
date->tm_zone = "GMT";
date->tm_gmtoff = 0;
#endif
return date;
}
struct tm *
dup_date (const struct tm *date)
{
struct tm *date1;
date1 = g_new (struct tm, 1);
memcpy (date1, date, sizeof (struct tm));
return date1;
}
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