php-src/ext/calendar/cal_unix.c
Hartmut Holzgraefe 0b91e2fcd3 initial checkin
2000-04-17 09:44:49 +00:00

77 lines
2.4 KiB
C

/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_01.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Shane Caraveo <shane@caraveo.com> |
| Colin Viebrock <cmv@easydns.com> |
| Hartmut Holzgraefe <hartmut@six.de> |
+----------------------------------------------------------------------+
*/
/* $Id: */
#include "php.h"
#include "php_calendar.h"
#include "sdncal.h"
#include <time.h>
/* {{{ proto int unixtojd([int timestamp])
Convert UNIX timestamp to Julian Day */
PHP_FUNCTION(unixtojd)
{
pval *timestamp;
long jdate;
time_t t;
struct tm *ta, tmbuf;
int myargc=ARG_COUNT(ht);
if ((myargc > 1) || (zend_get_parameters(ht,myargc, &timestamp) != SUCCESS)) {
WRONG_PARAM_COUNT;
}
if(myargc==1) {
convert_to_long(timestamp);
t = timestamp->value.lval;
} else {
t = time(NULL);
}
ta = localtime_r(&t, &tmbuf);
jdate = GregorianToSdn(ta->tm_year+1900, ta->tm_mon+1,ta->tm_mday);
RETURN_LONG(jdate);
}
/* }}} */
/* {{{ proto int jdtounix(int jday)
Convert Julian Day to UNIX timestamp */
PHP_FUNCTION(jdtounix)
{
pval *jday;
long uday;
if ((ARG_COUNT(ht)!= 1) || (zend_get_parameters(ht,1, &jday) != SUCCESS)) {
WRONG_PARAM_COUNT;
}
convert_to_long(jday);
uday = jday->value.lval - 2440588 /* J.D. of 1.1.1970 */;
if(uday<0) RETURN_FALSE; /* before beginning of unix epoch */
if(uday>24755) RETURN_FALSE; /* behind end of unix epoch */
RETURN_LONG(uday*24*3600);
}
/* }}} */