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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* ifdef HAVE_CONFIG_H */
#include <stdio.h>
#include <math.h>
#include "Eet.h"
#include "Eet_private.h"
int
_eet_hash_gen(const char *key,
int hash_size)
{
int hash_num = 0;
int value, i;
int mask;
unsigned char *ptr;
/* no string - index 0 */
if (!key)
return 0;
/* calc hash num */
for (i = 0, ptr = (unsigned char *)key, value = (int)(*ptr);
value;
ptr++, i++, value = (int)(*ptr))
hash_num ^= (value | (value << 8)) >> (i & 0x7);
/* mask it */
mask = (1 << hash_size) - 1;
hash_num &= mask;
/* return it */
return hash_num;
} /* _eet_hash_gen */
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