/**
 * hashfun.c
 *   An implementation of hash functions, based on code from K&R 2nd, p. 144.
 */

// +---------+--------------------------------------------------------
// | Headers |
// +---------+

#include "hashfun.h"


// +-----------+------------------------------------------------------
// | Functions |
// +-----------+

/**
 * Determine the hash value for a string.
 */
unsigned 
hash (char *str)
{
  unsigned hashval;
  for (hashval = 0; *str != '\0'; str++) 
    hashval = *str + 31 * hashval;
  return hashval;
} // hash