regexp.c File Reference

#include "rz_search.h"
#include <rz_regex.h>

Go to the source code of this file.

Functions
RZ_API int	rz_search_regexp_update (RzSearch *s, ut64 from, const ut8 *buf, int len)

Function Documentation

rz_search_regexp_update()

RZ_API int rz_search_regexp_update	(	RzSearch *	s,
		ut64	from,
		const ut8 *	buf,
		int	len
	)

Definition at line 8 of file regexp.c.

                                                                                    {
    RzSearchKeyword *kw;
    RzListIter *iter;
    RzRegexMatch match;
    RzRegex compiled = { 0 };
    const int old_nhits = s->nhits;
    int ret = 0;
 
    rz_list_foreach (s->kws, iter, kw) {
        int reflags = RZ_REGEX_EXTENDED;
 
        if (kw->icase) {
            reflags |= RZ_REGEX_ICASE;
        }
 
        if (rz_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 (!rz_regex_exec(&compiled, (char *)buf, 1, &match, RZ_REGEX_STARTEND)) {
            int t = rz_search_hit_new(s, kw, from + match.rm_so);
            if (!t) {
                ret = -1;
                goto beach;
            }
            if (t > 1) {
                goto beach;
            }
            /* Setup the boundaries for RZ_REGEX_STARTEND */
            match.rm_so = match.rm_eo;
            match.rm_eo = len;
        }
    }
 
beach:
    rz_regex_fini(&compiled);
    if (!ret) {
        ret = s->nhits - old_nhits;
    }
    return ret;
}

References rz_search_keyword_t::bin_keyword, eprintf, from, rz_search_keyword_t::icase, len, match, rz_regex_comp(), rz_regex_exec(), RZ_REGEX_EXTENDED, rz_regex_fini(), RZ_REGEX_ICASE, RZ_REGEX_STARTEND, rz_search_hit_new(), and s.

Referenced by rz_search_set_mode().