xref: /PHP-8.3/ext/hash/php_hash_crc32.h (revision 01b3fc03)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Author: Michael Wallner <mike@php.net>                               |
14    +----------------------------------------------------------------------+
15 */
16 
17 #ifndef PHP_HASH_CRC32_H
18 #define PHP_HASH_CRC32_H
19 
20 #include "ext/standard/basic_functions.h"
21 
22 typedef struct {
23 	uint32_t state;
24 } PHP_CRC32_CTX;
25 #define PHP_CRC32_SPEC "l."
26 
27 PHP_HASH_API void PHP_CRC32Init(PHP_CRC32_CTX *context, ZEND_ATTRIBUTE_UNUSED HashTable *args);
28 PHP_HASH_API void PHP_CRC32Update(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
29 PHP_HASH_API void PHP_CRC32BUpdate(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
30 PHP_HASH_API void PHP_CRC32CUpdate(PHP_CRC32_CTX *context, const unsigned char *input, size_t len);
31 PHP_HASH_API void PHP_CRC32LEFinal(unsigned char digest[4], PHP_CRC32_CTX *context);
32 PHP_HASH_API void PHP_CRC32BEFinal(unsigned char digest[4], PHP_CRC32_CTX *context);
33 PHP_HASH_API int PHP_CRC32Copy(const php_hash_ops *ops, PHP_CRC32_CTX *orig_context, PHP_CRC32_CTX *copy_context);
34 
35 #endif
36