src/server/HashIndex.cxx File Reference

#include <Index.h>
#include <CatalogTables.h>
#include <Lock.h>
#include <Debug.h>
#include <Table.h>
#include <TableImpl.h>
#include <Predicate.h>
#include <PredicateImpl.h>

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Functions
unsigned int	hashString (char *strVal)

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Function Documentation

unsigned int hashString

(

char *

strVal

)

Definition at line 29 of file HashIndex.cxx.

Referenced by HashIndex::computeHashBucket().

{
    unsigned int hval, g;
    hval = 0;
    char *str =strVal;
    while (*str != '\0')
    {
        hval <<= 4;
        hval += (unsigned int) *str++;
        g = hval & ((unsigned int) 0xf << (32 - 4));
        if (g != 0)
        {
            hval ^= g >> (32 - 8);
            hval ^= g;
        }
    }
    return hval;
}

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