#include <sys/types.h>
#include <regex.h>

int
main(void)
{
	regex_t preg;
	int ret;

	/* leak? */
	ret = regcomp(&preg, ".{0,4", REG_EXTENDED);

	/*
	 * no leak.
	 *
	ret = regcomp(&preg, "[g-5]", REG_EXTENDED);
	ret = regcomp(&preg, ".{0,4}", REG_EXTENDED);
	 *
	 */
	
	regfree(&preg);

	return ret;
} /* int main(void) */