imapfilter/src/regexp.c

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2011-03-06 06:58:58 -05:00
#include <stdio.h>
#include <sys/types.h>
#include <regex.h>
#include "imapfilter.h"
#include "regexp.h"
/*
* Compile all the patterns and allocate the necessary space for the substring
* matching.
*/
void
regexp_compile(regexp *reg)
{
regexp *re;
for (re = reg; re->pattern != NULL; re++) {
re->preg = (regex_t *)xmalloc(sizeof(regex_t));
regcomp(re->preg, re->pattern, REG_EXTENDED | REG_ICASE);
re->nmatch = re->preg->re_nsub + 1;
re->pmatch = (regmatch_t *)xmalloc(sizeof(regmatch_t) *
re->nmatch);
}
}
/*
* Free the compiled regular expressions and the space allocated for the
* substring matching.
*/
void
regexp_free(regexp *reg)
{
regexp *re;
for (re = reg; re->pattern != NULL; re++) {
regfree(re->preg);
xfree(re->preg);
xfree(re->pmatch);
}
}