stasis-aries-wal/lladd/hash.h

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#include <lladd/crc32.h>
#ifndef __HASH_H
#define __HASH_H
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/**
@todo write a test harness for this...
*/
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unsigned int max_bucket(unsigned char tableBits, unsigned int nextExtension);
/**
This function maps from the length of the bucket list to a appropriate set
of linear hash parameters to fill that size.
*/
void hashGetParamsForSize(unsigned int desiredSize, unsigned char *tableBits,
unsigned int* nextExtension);
unsigned int hash(const void * val, long val_length, unsigned char tableBits, unsigned int nextExtension);
#define twoToThe(x) (1 << (x))
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/** @todo logBase2 should be able to handle 64 bit values, but
currently doesn't...*/
unsigned int logBase2(unsigned int value);
#endif /*__HASH_H */