[hcoop/zz_old/debian/djbdns.git] / cdb_hash.c

/* Public domain. */

#include "cdb.h"

uint32 cdb_hashadd(uint32 h,unsigned char c)
{
  h += (h << 5);
  return h ^ c;
}

uint32 cdb_hash(const char *buf,unsigned int len)
{
  uint32 h;

  h = CDB_HASHSTART;
  while (len) {
    h = cdb_hashadd(h,*buf++);
    --len;
  }
  return h;
}
Commit	Line	Data
dc0d77d7 CE	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	}