radare2/libr/search/regexp.c
2014-06-05 02:55:45 +02:00

40 lines
906 B
C

/* radare - LGPL - Copyright 2008-2014 - pancake, TheLemonMan */
#include "r_search.h"
#include <r_regex.h>
R_API int r_search_regexp_update(void *_s, ut64 from, const ut8 *buf, int len) {
RSearch *s = (RSearch*)_s;
RSearchKeyword *kw;
RListIter *iter;
RRegexMatch match;
RRegex compiled;
int count = 0;
r_list_foreach (s->kws, iter, kw) {
int reflags = R_REGEX_EXTENDED;
if (kw->icase)
reflags |= R_REGEX_ICASE;
if (r_regex_comp (&compiled, (char *)kw->bin_keyword, reflags)) {
eprintf ("Cannot compile '%s' regexp\n", kw->bin_keyword);
return -1;
}
match.rm_so = 0;
match.rm_eo = len;
while (!r_regex_exec (&compiled, (char *)buf, 1, &match, R_REGEX_STARTEND)) {
r_search_hit_new (s, kw, from+match.rm_so);
kw->count++;
/* Setup the boundaries for R_REGEX_STARTEND */
match.rm_so = match.rm_eo;
match.rm_eo = len;
count++;
}
}
return count;
}