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/*
** Copyright 2001 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <sys/stat.h>
#include "pcp.h"
/*
** Map yyyymmdd into time_t by reverse-engineering mktime().
*/
static time_t sod(struct tm *tmptr, unsigned y, unsigned m, unsigned d)
{
struct tm mytm;
time_t tt;
/* Ok, first try */
mytm= *tmptr;
mytm.tm_year=y-1900;
mytm.tm_mon=m-1;
mytm.tm_mday=d;
mytm.tm_hour=0;
mytm.tm_min=0;
mytm.tm_sec=0;
tt=mktime(&mytm);
if (tt == (time_t)-1 ||
(tmptr=localtime(&tt)) == NULL)
return (0);
/* Do it one more time, due to timezone changes. */
mytm= *tmptr;
mytm.tm_year=y-1900;
mytm.tm_mon=m-1;
mytm.tm_mday=d;
mytm.tm_hour=0;
mytm.tm_min=0;
mytm.tm_sec=0;
tt=mktime(&mytm);
if (tt == (time_t)-1)
return (0);
return (tt);
}
int pcp_parse_ymd(unsigned y, unsigned m, unsigned d, time_t *s, time_t *e)
{
time_t tt;
struct tm *tmptr;
time(&tt);
tmptr=localtime(&tt);
if (!tmptr)
return (-1);
if ((tt=sod(tmptr, y, m, d)) == 0)
return (-1);
*s=tt;
tt += 36 * 60 * 60;
tmptr=localtime(&tt);
if (!tmptr)
return (-1);
if ((tt=sod(tmptr, tmptr->tm_year + 1900, tmptr->tm_mon+1,
tmptr->tm_mday)) == 0)
return (-1);
*e=tt;
return (0);
}
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