Gecko [ www.jdcpatala.org ]

Name	Size	Permission
murmur	[ DIR ]	drwxr-xr-x
sha3	[ DIR ]	drwxr-xr-x
tests	[ DIR ]	drwxr-xr-x
xxhash	[ DIR ]	drwxr-xr-x
CREDITS	85 B	-rw-r--r--
bench.php	531 B	-rw-r--r--
config.m4	1.95 KB	-rw-r--r--
config.w32	1.66 KB	-rw-r--r--
hash.c	47.98 KB	-rw-r--r--
hash.stub.php	2.3 KB	-rw-r--r--
hash_adler32.c	2.5 KB	-rw-r--r--
hash_arginfo.h	7.94 KB	-rw-r--r--
hash_crc32.c	4.35 KB	-rw-r--r--
hash_fnv.c	5.99 KB	-rw-r--r--
hash_gost.c	11.53 KB	-rw-r--r--
hash_haval.c	18.83 KB	-rw-r--r--
hash_joaat.c	2.53 KB	-rw-r--r--
hash_md.c	10.76 KB	-rw-r--r--
hash_murmur.c	7.43 KB	-rw-r--r--
hash_ripemd.c	24.37 KB	-rw-r--r--
hash_sha.c	26.4 KB	-rw-r--r--
hash_sha3.c	10.33 KB	-rw-r--r--
hash_snefru.c	6.11 KB	-rw-r--r--
hash_tiger.c	7.89 KB	-rw-r--r--
hash_whirlpool.c	16.09 KB	-rw-r--r--
hash_xxhash.c	8.17 KB	-rw-r--r--
php_hash.h	6.5 KB	-rw-r--r--
php_hash_adler32.h	1.56 KB	-rw-r--r--
php_hash_crc32.h	1.81 KB	-rw-r--r--
php_hash_crc32_tables.h	10.27 KB	-rw-r--r--
php_hash_fnv.h	2.75 KB	-rw-r--r--
php_hash_gost.h	1.51 KB	-rw-r--r--
php_hash_gost_tables.h	28.76 KB	-rw-r--r--
php_hash_haval.h	2.09 KB	-rw-r--r--
php_hash_joaat.h	1.44 KB	-rw-r--r--
php_hash_md.h	2.02 KB	-rw-r--r--
php_hash_murmur.h	2.54 KB	-rw-r--r--
php_hash_ripemd.h	3.04 KB	-rw-r--r--
php_hash_sha.h	3.83 KB	-rw-r--r--
php_hash_sha3.h	2.43 KB	-rw-r--r--
php_hash_snefru.h	1.58 KB	-rw-r--r--
php_hash_snefru_tables.h	58.12 KB	-rw-r--r--
php_hash_tiger.h	1.76 KB	-rw-r--r--
php_hash_tiger_tables.h	41.16 KB	-rw-r--r--
php_hash_whirlpool.h	1.51 KB	-rw-r--r--
php_hash_whirlpool_tables.h	53.71 KB	-rw-r--r--
php_hash_xxhash.h	3.38 KB	-rw-r--r--

Code Editor : hash_adler32.c

/*
  +----------------------------------------------------------------------+
  | Copyright (c) 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:           |
  | https://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>                              |
  +----------------------------------------------------------------------+
*/

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

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

PHP_HASH_API void PHP_ADLER32Update(PHP_ADLER32_CTX *context, const unsigned char *input, size_t len)
{
	uint32_t 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 = {
	"adler32",
	(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,
	php_hash_serialize,
	php_hash_unserialize,
	PHP_ADLER32_SPEC,
	4, /* what to say here? */
	4,
	sizeof(PHP_ADLER32_CTX),
	0
};

${this.title}

Code Editor : hash_adler32.c