Move girepository

girepository/cmph/djb2_hash.c

@@ -0,0 +1,49 @@
+#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;
+}