1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Shane Caraveo <shane@caraveo.com> |
16 | Colin Viebrock <colin@easydns.com> |
17 | Hartmut Holzgraefe <hholzgra@php.net> |
18 +----------------------------------------------------------------------+
19 */
20
21 #include "php.h"
22 #include "php_calendar.h"
23 #include "sdncal.h"
24 #include <time.h>
25
26 #define SECS_PER_DAY (24 * 3600)
27
28 /* {{{ proto int unixtojd([int timestamp])
29 Convert UNIX timestamp to Julian Day */
PHP_FUNCTION(unixtojd)30 PHP_FUNCTION(unixtojd)
31 {
32 time_t ts = 0;
33 zend_long tl = 0;
34 struct tm *ta, tmbuf;
35
36 if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &tl) == FAILURE) {
37 return;
38 }
39
40 if (!tl) {
41 ts = time(NULL);
42 } else if (tl >= 0) {
43 ts = (time_t) tl;
44 } else {
45 RETURN_FALSE;
46 }
47
48 if (!(ta = php_localtime_r(&ts, &tmbuf))) {
49 RETURN_FALSE;
50 }
51
52 RETURN_LONG(GregorianToSdn(ta->tm_year+1900, ta->tm_mon+1, ta->tm_mday));
53 }
54 /* }}} */
55
56 /* {{{ proto int jdtounix(int jday)
57 Convert Julian Day to UNIX timestamp */
PHP_FUNCTION(jdtounix)58 PHP_FUNCTION(jdtounix)
59 {
60 zend_long uday;
61
62 if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &uday) == FAILURE) {
63 return;
64 }
65 uday -= 2440588 /* J.D. of 1.1.1970 */;
66
67 if (uday < 0 || uday > ZEND_LONG_MAX / SECS_PER_DAY) { /* before beginning of unix epoch or greater than representable */
68 RETURN_FALSE;
69 }
70
71 RETURN_LONG(uday * SECS_PER_DAY);
72 }
73 /* }}} */
74
