xref: /PHP-8.0/ext/standard/php_random.h (revision 2bfcd882)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | http://www.php.net/license/3_01.txt                                  |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Sammy Kaye Powers <me@sammyk.me>                            |
14    +----------------------------------------------------------------------+
15 */
16 
17 #ifndef PHP_RANDOM_H
18 #define PHP_RANDOM_H
19 
20 BEGIN_EXTERN_C()
21 
22 PHP_MINIT_FUNCTION(random);
23 PHP_MSHUTDOWN_FUNCTION(random);
24 
25 typedef struct {
26 	int fd;
27 } php_random_globals;
28 
29 #define php_random_bytes_throw(b, s) php_random_bytes((b), (s), 1)
30 #define php_random_bytes_silent(b, s) php_random_bytes((b), (s), 0)
31 
32 #define php_random_int_throw(min, max, result) \
33 	php_random_int((min), (max), (result), 1)
34 #define php_random_int_silent(min, max, result) \
35 	php_random_int((min), (max), (result), 0)
36 
37 PHPAPI int php_random_bytes(void *bytes, size_t size, zend_bool should_throw);
38 PHPAPI int php_random_int(zend_long min, zend_long max, zend_long *result, zend_bool should_throw);
39 
40 #ifdef ZTS
41 # define RANDOM_G(v) ZEND_TSRMG(random_globals_id, php_random_globals *, v)
42 extern PHPAPI int random_globals_id;
43 #else
44 # define RANDOM_G(v) random_globals.v
45 extern PHPAPI php_random_globals random_globals;
46 #endif
47 
48 END_EXTERN_C()
49 
50 #endif
51