cdb_hash.c

   1 /* Public domain. */
   2
   3 #include "cdb.h"
   4
   5 uint32 cdb_hashadd(uint32 h,unsigned char c)
   6 {
   7   h += (h << 5);
   8   return h ^ c;
   9 }
  10
  11 uint32 cdb_hash(const char *buf,unsigned int len)
  12 {
  13   uint32 h;
  14
  15   h = CDB_HASHSTART;
  16   while (len) {
  17     h = cdb_hashadd(h,*buf++);
  18     --len;
  19   }
  20   return h;
  21 }