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#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 = CMPH_HASH_DJB2;
return state;
}
void djb2_state_destroy(djb2_state_t *state)
{
free(state);
}
cmph_uint32 djb2_hash(djb2_state_t *state, const char *k, cmph_uint32 keylen)
{
register cmph_uint32 hash = 5381;
const unsigned char *ptr = (unsigned char *)k;
cmph_uint32 i = 0;
while (i < keylen)
{
hash = hash*33 ^ *ptr;
++ptr, ++i;
}
return hash;
}
void djb2_state_dump(djb2_state_t *state, char **buf, cmph_uint32 *buflen)
{
*buf = NULL;
*buflen = 0;
return;
}
djb2_state_t *djb2_state_copy(djb2_state_t *src_state)
{
djb2_state_t *dest_state = (djb2_state_t *)malloc(sizeof(djb2_state_t));
dest_state->hashfunc = src_state->hashfunc;
return dest_state;
}
djb2_state_t *djb2_state_load(const char *buf, cmph_uint32 buflen)
{
djb2_state_t *state = (djb2_state_t *)malloc(sizeof(djb2_state_t));
state->hashfunc = CMPH_HASH_DJB2;
return state;
}
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