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/*@@
@file Time.c
@date Wed Sep 17 2000
@author Gabrielle Allen
@desc
Date and time routines
@enddesc
@version $Header$
@@*/
/* #define DEBUG_TIME */
#include <ctype.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include "cctk_Flesh.h"
#include "cctk_Misc.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(util_Time_c);
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine Util_CurrentTime
@date Tue Sep 19
@author Gabrielle Allen
@desc
Fills string with current local time, returning the number
of characters filled.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int Util_CurrentTime(int len, char *now)
{
int retval;
time_t timep;
const char *fmt = "%X%z";
timep = time(NULL);
strftime(now, len, fmt, localtime(&timep));
retval = strlen(now);
retval=retval > len ? 0 : retval;
#ifdef DEBUG_TIME
printf("CurrentTime = %s\n",now);
#endif
return retval;
}
/*@@
@routine Util_CurrentDate
@date Tue Sep 19
@author Gabrielle Allen
@desc
Fills string with current local date, returning the number of
characters filled.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
int Util_CurrentDate(int len, char *now)
{
int retval;
time_t timep;
const char *fmt = "%b %d %Y";
timep = time(NULL);
strftime(now, 50, fmt, localtime(&timep));
retval = strlen(now);
retval=retval > len ? 0 : retval;
#ifdef DEBUG_TIME
printf("CurrentDate = %s\n",thedate);
#endif
return retval;
}
/*@@
@routine Util_CurrentDateTime
@date Wed 19 July 2006
@author Thomas Radke
@desc
Returns the current datetime in a machine-processable format
as defined in ISO 8601 chapter 5.4.
@enddesc
@returntype char *
@returndesc
pointer to an allocated string buffer containing the datetime,
must be freed by the user
@endreturndesc
@@*/
char *Util_CurrentDateTime(void)
{
char *buffer;
time_t timep;
const int len = sizeof ("YYYY-MM-DDThh:mm:ss+hh:mm");
const char *fmt = "%Y-%m-%dT%H:%M:%S%z";
buffer = calloc (1, len);
if (buffer)
{
timep = time (NULL);
strftime (buffer, len, fmt, localtime (&timep));
/* if the timezone part is returned as "(+|-)hhmm"
then turn it into "(+|-)hh:mm" */
if ((buffer[len-7] == '+' || buffer[len-7] == '-') &&
isdigit (buffer[len-6]) && isdigit (buffer[len-5]) &&
isdigit (buffer[len-4]) && isdigit (buffer[len-3]) &&
buffer[len-2] == 0)
{
buffer[len-2] = buffer[len-3];
buffer[len-3] = buffer[len-4];
buffer[len-4] = ':';
}
}
return (buffer);
}
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