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Direktori : /proc/thread-self/root/opt/cloudlinux/alt-php70/root/usr/include/php/ext/standard/ |
Current File : //proc/thread-self/root/opt/cloudlinux/alt-php70/root/usr/include/php/ext/standard/php_rand.h |
/* +----------------------------------------------------------------------+ | PHP Version 7 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2017 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: Rasmus Lerdorf <rasmus@php.net> | | Zeev Suraski <zeev@zend.com> | | Pedro Melo <melo@ip.pt> | | Sterling Hughes <sterling@php.net> | | | | Based on code from: Shawn Cokus <Cokus@math.washington.edu> | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifndef PHP_RAND_H #define PHP_RAND_H #include <stdlib.h> #include "basic_functions.h" #include "php_lcg.h" /* System Rand functions */ #ifndef RAND_MAX #define RAND_MAX (1<<15) #endif /* In ZTS mode we rely on rand_r() so we must use RAND_MAX. */ #if !defined(ZTS) && (defined(HAVE_LRAND48) || defined(HAVE_RANDOM)) #define PHP_RAND_MAX 2147483647 #else #define PHP_RAND_MAX RAND_MAX #endif #define RAND_RANGE(__n, __min, __max, __tmax) \ (__n) = (__min) + (zend_long) ((double) ( (double) (__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0))) /* MT Rand */ #define PHP_MT_RAND_MAX ((zend_long) (0x7FFFFFFF)) /* (1<<31) - 1 */ #ifdef PHP_WIN32 #define GENERATE_SEED() (((zend_long) (time(0) * GetCurrentProcessId())) ^ ((zend_long) (1000000.0 * php_combined_lcg()))) #else #define GENERATE_SEED() (((zend_long) (time(0) * getpid())) ^ ((zend_long) (1000000.0 * php_combined_lcg()))) #endif PHPAPI void php_srand(zend_long seed); PHPAPI zend_long php_rand(void); PHPAPI void php_mt_srand(php_uint32 seed); PHPAPI php_uint32 php_mt_rand(void); #endif /* PHP_RAND_H */