218 add_filter_rule(struct filter *filt, const char *expr,  in add_filter_rule()  argument
257 	filter_add_rule(filt, rule);  in add_filter_rule()
282 parse_filter(struct filter *filt, char *expr, int operators)  in parse_filter()  argument
373 		add_filter_rule(filt, expr, this_type,  in parse_filter()
384 	struct filter *filt = malloc(sizeof(*filt));  in recursive_parse_chain()  local
385 	if (filt == NULL) {  in recursive_parse_chain()
391 	filter_init(filt);  in recursive_parse_chain()
392 	if (parse_filter(filt, expr, operators) < 0) {  in recursive_parse_chain()
394 		free(filt);  in recursive_parse_chain()
395 		filt = NULL;  in recursive_parse_chain()
398 	return filt;  in recursive_parse_chain()