43 lines
780 B
C
43 lines
780 B
C
#include "djb2_hash.h"
|
|
#include <stdlib.h>
|
|
|
|
djb2_state_t *djb2_state_new()
|
|
{
|
|
djb2_state_t *state = (djb2_state_t *)malloc(sizeof(djb2_state_t));
|
|
state->hashfunc = HASH_DJB2;
|
|
return state;
|
|
}
|
|
|
|
void djb2_state_destroy(djb2_state_t *state)
|
|
{
|
|
free(state);
|
|
}
|
|
|
|
uint32 djb2_hash(djb2_state_t *state, const char *k, uint32 keylen)
|
|
{
|
|
register uint32 hash = 5381;
|
|
const unsigned char *ptr = k;
|
|
uint32 i = 0;
|
|
while (i < keylen)
|
|
{
|
|
hash = hash*33 ^ *ptr;
|
|
++ptr, ++i;
|
|
}
|
|
return hash;
|
|
}
|
|
|
|
|
|
void djb2_state_dump(djb2_state_t *state, char **buf, uint32 *buflen)
|
|
{
|
|
*buf = NULL;
|
|
*buflen = 0;
|
|
return;
|
|
}
|
|
|
|
djb2_state_t *djb2_state_load(const char *buf, uint32 buflen)
|
|
{
|
|
djb2_state_t *state = (djb2_state_t *)malloc(sizeof(djb2_state_t));
|
|
state->hashfunc = HASH_DJB2;
|
|
return state;
|
|
}
|