Cross Reference: /external/selinux/libselinux/src/regex.c

Lines Matching defs:regex
7 #include "regex.h"
62 	pcre2_code *regex; /* compiled regular expression */
71 int regex_prepare_data(struct regex_data **regex, char const *pattern_string,
76 	*regex = regex_data_create();
77 	if (!(*regex))
80 	(*regex)->regex = pcre2_compile(
83 	if (!(*regex)->regex) {
87 	(*regex)->match_data =
88 	    pcre2_match_data_create_from_pattern((*regex)->regex, NULL);
89 	if (!(*regex)->match_data) {
95 	regex_data_free(*regex);
96 	*regex = NULL;
111 int regex_load_mmap(struct mmap_area *mmap_area, struct regex_data **regex,
131 		*regex = regex_data_create();
132 		if (!*regex)
135 		rc = pcre2_serialize_decode(&(*regex)->regex, 1,
141 		(*regex)->match_data =
142 		    pcre2_match_data_create_from_pattern((*regex)->regex, NULL);
143 		if (!(*regex)->match_data)
156 	regex_data_free(*regex);
157 	*regex = NULL;
161 int regex_writef(struct regex_data *regex, FILE *fp, int do_write_precompregex)
171 		rc = pcre2_serialize_encode((const pcre2_code **)&regex->regex,
201 void regex_data_free(struct regex_data *regex)
203 	if (regex) {
204 		if (regex->regex)
205 			pcre2_code_free(regex->regex);
206 		if (regex->match_data)
207 			pcre2_match_data_free(regex->match_data);
208 		__pthread_mutex_destroy(&regex->match_mutex);
209 		free(regex);
213 int regex_match(struct regex_data *regex, char const *subject, int partial)
216 	__pthread_mutex_lock(&regex->match_mutex);
218 	    regex->regex, (PCRE2_SPTR)subject, PCRE2_ZERO_TERMINATED, 0,
219 	    partial ? PCRE2_PARTIAL_SOFT : 0, regex->match_data, NULL);
220 	__pthread_mutex_unlock(&regex->match_mutex);
246 	rc = pcre2_pattern_info(regex1->regex, PCRE2_INFO_SIZE, &len1);
248 	rc = pcre2_pattern_info(regex2->regex, PCRE2_INFO_SIZE, &len2);
250 	if (len1 != len2 || memcmp(regex1->regex, regex2->regex, len1))
277 		      * non zero if regex and pcre_extra is owned by this
280 	pcre *regex; /* compiled regular expression */
287 int regex_prepare_data(struct regex_data **regex, char const *pattern_string,
292 	*regex = regex_data_create();
293 	if (!(*regex))
296 	(*regex)->regex =
299 	if (!(*regex)->regex)
302 	(*regex)->owned = 1;
304 	(*regex)->sd = pcre_study((*regex)->regex, 0, &errordata->error_buffer);
305 	if (!(*regex)->sd && errordata->error_buffer)
311 	regex_data_free(*regex);
312 	*regex = NULL;
321 int regex_load_mmap(struct mmap_area *mmap_area, struct regex_data **regex,
332 	*regex = regex_data_create();
333 	if (!(*regex))
336 	(*regex)->owned = 0;
337 	(*regex)->regex = (pcre *)mmap_area->next_addr;
343 	 * Check that regex lengths match. pcre_fullinfo()
346 	rc = pcre_fullinfo((*regex)->regex, NULL, PCRE_INFO_SIZE, &info_len);
355 		(*regex)->lsd.study_data = (void *)mmap_area->next_addr;
356 		(*regex)->lsd.flags |= PCRE_EXTRA_STUDY_DATA;
362 		rc = pcre_fullinfo((*regex)->regex, &(*regex)->lsd,
372 	regex_data_free(*regex);
373 	*regex = NULL;
377 static inline pcre_extra *get_pcre_extra(struct regex_data *regex)
379 	if (!regex) return NULL;
380 	if (regex->owned) {
381 		return regex->sd;
382 	} else if (regex->lsd.study_data) {
383 		return &regex->lsd;
389 int regex_writef(struct regex_data *regex, FILE *fp,
396 	pcre_extra *sd = get_pcre_extra(regex);
399 	rc = pcre_fullinfo(regex->regex, NULL, PCRE_INFO_SIZE, &size);
410 	len = fwrite(regex->regex, 1, to_write, fp);
417 		    pcre_fullinfo(regex->regex, sd, PCRE_INFO_STUDYSIZE, &size);
439 void regex_data_free(struct regex_data *regex)
441 	if (regex) {
442 		if (regex->owned) {
443 			if (regex->regex)
444 				pcre_free(regex->regex);
445 			if (regex->sd)
446 				pcre_free_study(regex->sd);
448 		free(regex);
452 int regex_match(struct regex_data *regex, char const *subject, int partial)
456 	rc = pcre_exec(regex->regex, get_pcre_extra(regex),
484 	rc = pcre_fullinfo(regex1->regex, NULL, PCRE_INFO_SIZE, &len1);
486 	rc = pcre_fullinfo(regex2->regex, NULL, PCRE_INFO_SIZE, &len2);
488 	if (len1 != len2 || memcmp(regex1->regex, regex2->regex, len1))
510 	rc = snprintf(buffer, buf_size, "REGEX back-end error: ");
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