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Annotation of embedaddon/php/ext/hash/php_hash_fnv.h, revision 1.1.1.2

1.1       misho       1: /*
                      2:   +----------------------------------------------------------------------+
                      3:   | PHP Version 5                                                        |
                      4:   +----------------------------------------------------------------------+
1.1.1.2 ! misho       5:   | Copyright (c) 1997-2013 The PHP Group                                |
1.1       misho       6:   +----------------------------------------------------------------------+
                      7:   | This source file is subject to version 3.01 of the PHP license,      |
                      8:   | that is bundled with this package in the file LICENSE, and is        |
                      9:   | available through the world-wide-web at the following url:           |
                     10:   | http://www.php.net/license/3_01.txt                                  |
                     11:   | If you did not receive a copy of the PHP license and are unable to   |
                     12:   | obtain it through the world-wide-web, please send a note to          |
                     13:   | license@php.net so we can mail you a copy immediately.               |
                     14:   +----------------------------------------------------------------------+
                     15:   | Author: Michael Maclean <mgdm@php.net>                               |
                     16:   +----------------------------------------------------------------------+
                     17: */
                     18: 
                     19: /* $Id$ */
                     20: 
                     21: #ifndef PHP_HASH_FNV_H
                     22: #define PHP_HASH_FNV_H
                     23: 
                     24: #define PHP_FNV1_32_INIT ((php_hash_uint32)0x811c9dc5)
                     25: #define PHP_FNV1_32A_INIT PHP_FNV1_32_INIT
                     26: 
                     27: #define PHP_FNV_32_PRIME ((php_hash_uint32)0x01000193)
                     28: 
                     29: #define PHP_FNV1_64_INIT ((php_hash_uint64)0xcbf29ce484222325ULL)
                     30: #define PHP_FNV1A_64_INIT FNV1_64_INIT
                     31: 
                     32: #define PHP_FNV_64_PRIME ((php_hash_uint64)0x100000001b3ULL)
                     33: 
                     34: 
                     35: /*
                     36:  * hash types
                     37:  */
                     38: enum php_fnv_type {
                     39:        PHP_FNV_NONE  = 0,      /* invalid FNV hash type */
                     40:        PHP_FNV0_32   = 1,      /* FNV-0 32 bit hash */
                     41:        PHP_FNV1_32   = 2,      /* FNV-1 32 bit hash */
                     42:        PHP_FNV1a_32  = 3,      /* FNV-1a 32 bit hash */
                     43:        PHP_FNV0_64   = 4,      /* FNV-0 64 bit hash */
                     44:        PHP_FNV1_64   = 5,      /* FNV-1 64 bit hash */
                     45:        PHP_FNV1a_64  = 6,      /* FNV-1a 64 bit hash */
                     46: };
                     47: 
                     48: typedef struct {
                     49:        php_hash_uint32 state;
                     50: } PHP_FNV132_CTX;
                     51: 
                     52: typedef struct {
                     53:        php_hash_uint64 state;
                     54: } PHP_FNV164_CTX;
                     55: 
                     56: 
                     57: PHP_HASH_API void PHP_FNV132Init(PHP_FNV132_CTX *context);
                     58: PHP_HASH_API void PHP_FNV132Update(PHP_FNV132_CTX *context, const unsigned char *input, unsigned int inputLen);
                     59: PHP_HASH_API void PHP_FNV1a32Update(PHP_FNV132_CTX *context, const unsigned char *input, unsigned int inputLen);
                     60: PHP_HASH_API void PHP_FNV132Final(unsigned char digest[16], PHP_FNV132_CTX * context);
                     61: 
                     62: PHP_HASH_API void PHP_FNV164Init(PHP_FNV164_CTX *context);
                     63: PHP_HASH_API void PHP_FNV164Update(PHP_FNV164_CTX *context, const unsigned char *input, unsigned int inputLen);
                     64: PHP_HASH_API void PHP_FNV1a64Update(PHP_FNV164_CTX *context, const unsigned char *input, unsigned int inputLen);
                     65: PHP_HASH_API void PHP_FNV164Final(unsigned char digest[16], PHP_FNV164_CTX * context);
                     66: 
                     67: static php_hash_uint32 fnv_32_buf(void *buf, size_t len, php_hash_uint32 hval, int alternate);
                     68: static php_hash_uint64 fnv_64_buf(void *buf, size_t len, php_hash_uint64 hval, int alternate);
                     69: 
                     70: #endif
                     71: 
                     72: /*
                     73:  * Local variables:
                     74:  * tab-width: 4
                     75:  * c-basic-offset: 4
                     76:  * End:
                     77:  * vim600: noet sw=4 ts=4 fdm=marker
                     78:  * vim<600: noet sw=4 ts=4
                     79:  */