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Speed up luhn algorithm and add multimatching capabilities to verifyCC. See #69.

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brectanus
2007-12-12 01:30:58 +00:00
parent 423fd0eea2
commit 2dff0fb9f5
3 changed files with 100 additions and 77 deletions
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18
apache2/msc_pcre.c
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@@ -63,6 +63,20 @@ void *msc_pregcomp(apr_pool_t *pool, const char *pattern, int options,
return regex;
}
/**
* Executes regular expression with extended options.
* Returns PCRE_ERROR_NOMATCH when there is no match, error code < -1
* on errors, and a value > 0 when there is a match.
*/
int msc_regexec_ex(msc_regex_t *regex, const char *s, unsigned int slen,
int startoffset, int options, int *ovector, int ovecsize, char **error_msg)
{
if (error_msg == NULL) return -1000; /* To differentiate from PCRE as it already uses -1. */
*error_msg = NULL;
return pcre_exec(regex->re, regex->pe, s, slen, startoffset, options, ovector, ovecsize);
}
/**
* Executes regular expression, capturing subexpressions in the given
* vector. Returns PCRE_ERROR_NOMATCH when there is no match, error code < -1
@@ -74,7 +88,7 @@ int msc_regexec_capture(msc_regex_t *regex, const char *s, unsigned int slen,
if (error_msg == NULL) return -1000; /* To differentiate from PCRE as it already uses -1. */
*error_msg = NULL;
return pcre_exec(regex->re, regex->pe, s, slen, 0, 0, ovector, ovecsize);
return msc_regexec_ex(regex, s, slen, 0, 0, ovector, ovecsize, error_msg);
}
/**
@@ -87,7 +101,7 @@ int msc_regexec(msc_regex_t *regex, const char *s, unsigned int slen,
if (error_msg == NULL) return -1000; /* To differentiate from PCRE as it already uses -1. */
*error_msg = NULL;
return msc_regexec_capture(regex, s, slen, NULL, 0, error_msg);
return msc_regexec_ex(regex, s, slen, 0, 0, NULL, 0, error_msg);
}
/**