43 lines
804 B
C
43 lines
804 B
C
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#include "sdbm_hash.h"
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#include <stdlib.h>
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sdbm_state_t *sdbm_state_new()
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{
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sdbm_state_t *state = (sdbm_state_t *)malloc(sizeof(sdbm_state_t));
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state->hashfunc = HASH_SDBM;
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return state;
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}
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void sdbm_state_destroy(sdbm_state_t *state)
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{
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free(state);
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}
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uint32 sdbm_hash(sdbm_state_t *state, const char *k, uint32 keylen)
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{
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register unsigned int hash = 0;
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const unsigned char *ptr = k;
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int i = 0;
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while(i < keylen) {
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hash = *ptr + (hash << 6) + (hash << 16) - hash;
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++ptr, ++i;
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}
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return hash;
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}
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void sdbm_state_dump(sdbm_state_t *state, char **buf, uint32 *buflen)
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{
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*buf = NULL;
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*buflen = 0;
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return;
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}
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sdbm_state_t *sdbm_state_load(const char *buf, uint32 buflen)
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{
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sdbm_state_t *state = (sdbm_state_t *)malloc(sizeof(sdbm_state_t));
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state->hashfunc = HASH_SDBM;
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return state;
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}
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