pcompress/utils/phash/phash.c

/* Generated File, DO NOT EDIT */
/* table for the mapping for the perfect hash */
#ifndef STANDARD
#include "standard.h"
#endif /* STANDARD */
#ifndef PHASH
#include "phash.h"
#endif /* PHASH */
#ifndef LOOKUPA
#include "lookupa.h"
#endif /* LOOKUPA */

/* small adjustments to _a_ to make values distinct */
ub1 tab[] = {
125,0,0,220,125,113,82,82,113,0,0,7,0,0,113,125,
0,0,7,87,0,113,0,0,0,125,0,131,0,7,125,22,
0,0,0,0,85,0,0,0,0,113,87,113,0,7,22,0,
82,0,113,113,125,125,0,0,0,0,113,7,85,0,0,85,
0,82,0,0,113,0,125,183,82,85,124,88,58,183,0,0,
124,0,113,125,0,125,0,116,0,82,125,74,0,125,0,32,
0,113,113,124,0,85,0,0,42,61,0,87,0,40,183,61,
0,0,0,0,0,61,0,0,56,11,0,0,164,200,0,0,
};

/* The hash function */
ub4 phash(char *key, int len)
{
  ub4 rsl, val = lookup(key, len, 0x9e3779b9);
  rsl = ((val>>25)^tab[val&0x7f]);
  return rsl;
}