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/*
* MurmurHashNeutral2, by Austin Appleby. Released to the public domain. See
* <http://murmurhash.googlepages.com>.
*/
#include "murmurhashneutral2.h"
unsigned int
murmurhashneutral2(const void *key, int len, unsigned int seed)
{
const unsigned int m = 0x5bd1e995;
const int r = 24;
unsigned int h = seed ^ len;
const unsigned char *data = (const unsigned char *)key;
while (len >= 4) {
unsigned int k;
k = data[0];
k |= data[1] << 8;
k |= data[2] << 16;
k |= data[3] << 24;
k *= m;
k ^= k >> r;
k *= m;
h *= m;
h ^= k;
data += 4;
len -= 4;
}
switch (len)
{
case 3: h ^= data[2] << 16;
case 2: h ^= data[1] << 8;
case 1: h ^= data[0];
h *= m;
};
h ^= h >> 13;
h *= m;
h ^= h >> 15;
return h;
}
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