php-src/ext/standard/php_rand.h
2001-02-26 06:11:02 +00:00

62 lines
2.1 KiB
C

/*
+----------------------------------------------------------------------+
| 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> |
| Pedro Melo <melo@ip.pt> |
| |
| Based on code from: Shawn Cokus <Cokus@math.washington.edu> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_RAND_H
#define PHP_RAND_H
#include <stdlib.h>
#ifndef RAND_MAX
#define RAND_MAX (1<<15)
#endif
#if HAVE_LRAND48
#define PHP_RAND_MAX 2147483647
#else
#define PHP_RAND_MAX RAND_MAX
#endif
/* Define rand Function wrapper */
#ifdef HAVE_RANDOM
#define php_rand() random()
#else
#ifdef HAVE_LRAND48
#define php_rand() lrand48()
#else
#define php_rand() rand()
#endif
#endif
/* Define srand Function wrapper */
#ifdef HAVE_SRANDOM
#define php_srand(seed) srandom((unsigned int)seed)
#else
#ifdef HAVE_SRAND48
#define php_srand(seed) srand48((long)seed)
#else
#define php_srand(seed) srand((unsigned int)seed)
#endif
#endif
#endif /* PHP_RAND_H */