#include <stdint.h>

/** djb2 <http://www.cse.yorku.ca/~oz/hash.html> */
static uint32_t djb2(const char *s) {
	const unsigned char *str = (const unsigned char *)s;
	uint32_t hash = 5381, c;
	while(c = *str++) hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
	return hash;
}