remove hash.[ch] - i don't think we will need it

This commit is contained in:
Felix Fietkau 2011-02-06 17:20:46 +01:00
parent 2890fcacaa
commit 54c8ba13ed
2 changed files with 0 additions and 62 deletions

54
hash.c
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@ -1,54 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include "hash.h"
//-----------------------------------------------------------------------------
// MurmurHashNeutral2, by Austin Appleby
// Same as MurmurHash2, but endian- and alignment-neutral.
uint32_t hash_murmur2(const void * key, int len)
{
const unsigned int seed = 0xdeadc0de;
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;
}

8
hash.h
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#ifndef _HASH_H__
#define _HASH_H__
#include <stdint.h>
uint32_t hash_murmur2(const void * key, int len);
#endif