2004-10-18 18:24:54 +00:00
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2007-06-11 21:36:57 +00:00
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#include <stasis/crc32.h>
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2008-10-03 02:42:25 +00:00
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#include <stasis/common.h>
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2004-10-12 02:44:47 +00:00
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2004-10-18 18:24:54 +00:00
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#ifndef __HASH_H
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#define __HASH_H
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2006-05-25 00:02:46 +00:00
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/**
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@todo write a test harness for this...
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*/
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2008-10-03 02:42:25 +00:00
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uint64_t max_bucket(unsigned char tableBits, uint64_t nextExtension);
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2006-05-24 02:19:04 +00:00
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/**
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This function maps from the length of the bucket list to a appropriate set
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of linear hash parameters to fill that size.
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*/
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2008-10-03 02:42:25 +00:00
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void hashGetParamsForSize(uint64_t desiredSize, unsigned char *tableBits,
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uint64_t* nextExtension);
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/**
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XXX despite it's interface, hash can't return values > 2^32!
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*/
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uint64_t hash(const void * val, uint64_t val_length, unsigned char tableBits, uint64_t nextExtension);
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2004-10-18 18:24:54 +00:00
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#define twoToThe(x) (1 << (x))
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2008-10-03 02:42:25 +00:00
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uint32_t logBase2(uint64_t value);
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2004-10-18 18:24:54 +00:00
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#endif /*__HASH_H */
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