Function hash32_buf

freebsd/sys/hash.h:46–55

* Return a 32-bit hash of the given buffer. The init * value should be 0, or the previous hash value to extend * the previous hash. */

 * the previous hash.
 */
static __inline uint32_t
hash32_buf(const void *buf, size_t len, uint32_t hash)
{
	const unsigned char *p = buf;

	while (len--)
		hash = HASHSTEP(hash, *p++);

	return hash;
}

/*
 * Return a 32-bit hash of the given string.