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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2001 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 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_02.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: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
| Zeev Suraski <zeev@zend.com> |
| Jeroen van Wolffelaar <jeroen@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <stdlib.h>
#include "php.h"
#include "php_rand.h"
#include "basic_functions.h"
/* rand() & co (thread safe this time!): */
static void _php_srand_sys(long seed)
{
BG(rand_sys_seed) = (unsigned int) seed;
}
static long _php_rand_sys(void)
{
return (long) rand_r(&BG(rand_sys_seed));
}
PHP_MINIT_FUNCTION(rand_sys)
{
#ifndef RAND_MAX
#define RAND_MAX (1<<15)
#endif
PHP_RANDGEN_ENTRY(PHP_RAND_SYS,
_php_srand_sys, /* void srand(long seed) */
_php_rand_sys, /* long rand(void) */
(long)RAND_MAX, /* long randmax */
"system" /* char *ini_str */
);
/* random() is left away, no manual page on my system, no bigger range than
* rand()
* --jeroen
*/
/* lrand48 (_not_ TS) */
#if HAVE_LRAND48
PHP_RANDGEN_ENTRY(PHP_RAND_LRAND48,
srand48, /* void srand(long seed) */
lrand48, /* long rand(void) */
2147483647L, /* long randmax */
"lrand48" /* char *ini_str */
);
#else
php_randgen_entries[PHP_RAND_LRAND48] = NULL;
#endif
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 tw=78 fdm=marker
* vim: sw=4 ts=4 tw=78
*/
|
