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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2003 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Rasmus Lerdorf <rasmus@php.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php.h"
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#include "basic_functions.h"
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#include "crc32.h"
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/* {{{ proto string crc32(string str)
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Calculate the crc32 polynomial of a string */
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PHP_NAMED_FUNCTION(php_if_crc32)
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{
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unsigned int crc = ~0;
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char *p;
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int len, nr;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &p, &nr) == FAILURE) {
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return;
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}
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len = 0 ;
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for (len += nr; nr--; ++p) {
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CRC32(crc, *p);
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}
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RETVAL_LONG(~crc);
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}
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/* }}} */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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