php-src/ext/calendar/cal_unix.c
2015-01-15 23:27:30 +08:00

79 lines
2.3 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_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 <colin@easydns.com> |
| Hartmut Holzgraefe <hholzgra@php.net> |
+----------------------------------------------------------------------+
*/
/* $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)
{
time_t ts = 0;
struct tm *ta, tmbuf;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &ts) == FAILURE) {
return;
}
if (!ts) {
ts = time(NULL);
} else if (ts < 0) {
RETURN_FALSE;
}
if (!(ta = php_localtime_r(&ts, &tmbuf))) {
RETURN_FALSE;
}
RETURN_LONG(GregorianToSdn(ta->tm_year+1900, ta->tm_mon+1, ta->tm_mday));
}
/* }}} */
/* {{{ proto int jdtounix(int jday)
Convert Julian Day to UNIX timestamp */
PHP_FUNCTION(jdtounix)
{
zend_long uday;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &uday) == FAILURE) {
return;
}
uday -= 2440588 /* J.D. of 1.1.1970 */;
if (uday < 0 || uday > 24755) { /* before beginning of unix epoch or behind end of unix epoch */
RETURN_FALSE;
}
RETURN_LONG(uday * 24 * 3600);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/