static uint32_t
murmur_hash_process2a(const char *key, uint32_t length, uint32_t seed)
{
const uint32_t m = MURMURHASH_MAGIC;
const uint8_t r = 24;
uint32_t h, k, t, l;
const unsigned char *data = (const unsigned char *) key;
l = length;
h = seed;
while (4 <= length) {
k = *(uint32_t*)data;
mmix(h,k);
data += 4;
length -= 4;
}
t = 0;
switch (length) {
case 3: t ^= data[2] << 16;
case 2: t ^= data[1] << 8;
case 1: t ^= data[0];
}
mmix(h,t);
mmix(h,l);
h ^= h >> 13;
h *= m;
h ^= h >> 15;
return h;
}
unsigned int End ( void )
{
mmix(m_hash,m_tail);
mmix(m_hash,m_size);
m_hash ^= m_hash >> 13;
m_hash *= m;
m_hash ^= m_hash >> 15;
return m_hash;
}
unsigned int MurmurHash2A ( const void * key, int len, unsigned int seed )
{
const unsigned int m = 0x5bd1e995;
const int r = 24;
unsigned int l = len;
const unsigned char * data = (const unsigned char *)key;
unsigned int h = seed;
while(len >= 4)
{
unsigned int k = *(unsigned int*)data;
mmix(h,k);
data += 4;
len -= 4;
}
unsigned int t = 0;
switch(len)
{
case 3: t ^= data[2] << 16;
case 2: t ^= data[1] << 8;
case 1: t ^= data[0];
};
mmix(h,t);
mmix(h,l);
h ^= h >> 13;
h *= m;
h ^= h >> 15;
return h;
}
void Add ( const unsigned char * data, int len )
{
m_size += len;
MixTail(data,len);
while(len >= 4)
{
unsigned int k = *(unsigned int*)data;
mmix(m_hash,k);
data += 4;
len -= 4;
}
MixTail(data,len);
}
