diff options
Diffstat (limited to 'JavaScriptCore/wtf/RandomNumberSeed.h')
-rw-r--r-- | JavaScriptCore/wtf/RandomNumberSeed.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/JavaScriptCore/wtf/RandomNumberSeed.h b/JavaScriptCore/wtf/RandomNumberSeed.h deleted file mode 100644 index 9ea7c71..0000000 --- a/JavaScriptCore/wtf/RandomNumberSeed.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef WTF_RandomNumberSeed_h -#define WTF_RandomNumberSeed_h - -#include <stdlib.h> -#include <time.h> - -#if HAVE(SYS_TIME_H) -#include <sys/time.h> -#endif - -#if OS(UNIX) -#include <sys/types.h> -#include <unistd.h> -#endif - -#if OS(WINCE) -extern "C" { -void init_by_array(unsigned long init_key[],int key_length); -} -#endif - -// Internal JavaScriptCore usage only -namespace WTF { - -inline void initializeRandomNumberGenerator() -{ -#if OS(DARWIN) - // On Darwin we use arc4random which initialises itself. -#elif OS(WINCE) - // initialize rand() - srand(GetTickCount()); - - // use rand() to initialize the real RNG - unsigned long initializationBuffer[4]; - initializationBuffer[0] = (rand() << 16) | rand(); - initializationBuffer[1] = (rand() << 16) | rand(); - initializationBuffer[2] = (rand() << 16) | rand(); - initializationBuffer[3] = (rand() << 16) | rand(); - init_by_array(initializationBuffer, 4); -#elif COMPILER(MSVC) && defined(_CRT_RAND_S) - // On Windows we use rand_s which initialises itself -#elif PLATFORM(BREWMP) - // On Brew MP we use AEECLSID_RANDOM which initialises itself -#elif OS(UNIX) - // srandomdev is not guaranteed to exist on linux so we use this poor seed, this should be improved - timeval time; - gettimeofday(&time, 0); - srandom(static_cast<unsigned>(time.tv_usec * getpid())); -#else - srand(static_cast<unsigned>(time(0))); -#endif -} - -} - -#endif |