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Server IP : 79.136.114.73  /  Your IP : 18.222.191.57
Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f
System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64
User : www-data ( 33)
PHP Version : 5.5.9-1ubuntu4.29
Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
MySQL : ON  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : ON  |  Pkexec : ON
Directory :  /proc/self/root/home/b8009/php-5.6.22/ext/hash/

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Current File : /proc/self/root/home/b8009/php-5.6.22/ext/hash/hash_adler32.c
/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2016 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: Michael Wallner <mike@php.net>                              |
  |          Sara Golemon <pollita@php.net>                              |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#include "php_hash.h"
#include "php_hash_adler32.h"

PHP_HASH_API void PHP_ADLER32Init(PHP_ADLER32_CTX *context)
{
	context->state = 1;
}

PHP_HASH_API void PHP_ADLER32Update(PHP_ADLER32_CTX *context, const unsigned char *input, size_t len)
{
	php_hash_uint32 i, s[2];
	
	s[0] = context->state & 0xffff;
	s[1] = (context->state >> 16) & 0xffff;
	for (i = 0; i < len; ++i) {
		s[0] += input[i];
		s[1] += s[0];
		if (s[1]>=0x7fffffff)
		{
			s[0] = s[0] % 65521;
			s[1] = s[1] % 65521;
		}
	}
	s[0] = s[0] % 65521;
	s[1] = s[1] % 65521;
	context->state = s[0] + (s[1] << 16);
}

PHP_HASH_API void PHP_ADLER32Final(unsigned char digest[4], PHP_ADLER32_CTX *context)
{
	digest[0] = (unsigned char) ((context->state >> 24) & 0xff);
	digest[1] = (unsigned char) ((context->state >> 16) & 0xff);
	digest[2] = (unsigned char) ((context->state >> 8) & 0xff);
	digest[3] = (unsigned char) (context->state & 0xff);
	context->state = 0;
}

PHP_HASH_API int PHP_ADLER32Copy(const php_hash_ops *ops, PHP_ADLER32_CTX *orig_context, PHP_ADLER32_CTX *copy_context)
{
	copy_context->state = orig_context->state;
	return SUCCESS;
}

const php_hash_ops php_hash_adler32_ops = {
	(php_hash_init_func_t) PHP_ADLER32Init,
	(php_hash_update_func_t) PHP_ADLER32Update,
	(php_hash_final_func_t) PHP_ADLER32Final,
	(php_hash_copy_func_t) PHP_ADLER32Copy,
	4, /* what to say here? */
	4,
	sizeof(PHP_ADLER32_CTX)
};

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */

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