bool DBPrivAdvanceCursor(DBCursorPriv *cursor, void **key, int *key_size,
void **value, int *value_size)
{
*key = tchdbgetnext3(cursor->db->hdb,
cursor->current_key, cursor->current_key_size,
key_size, (const char **)value, value_size);
/*
* If there is pending delete on the key, apply it
*/
if (cursor->pending_delete)
{
Delete(cursor->db->hdb, cursor->current_key, cursor->current_key_size);
}
/* This will free the value as well: tchdbgetnext3 returns single allocated
* chunk of memory */
free(cursor->current_key);
cursor->current_key = *key;
cursor->current_key_size = *key_size;
cursor->pending_delete = false;
return *key != NULL;
}
char *tc_get_next(TCHDB *hdb, const char *path, char *last_key,
int last_key_len, int *current_key_len,
const char **fetched_data, int *fetched_data_len)
{
if (hdb == NULL)
return NULL;
char *current_key = NULL;
TC_RETRY_LOOP(hdb, path, (
current_key = tchdbgetnext3(hdb,
last_key, last_key_len,
current_key_len, fetched_data,
fetched_data_len)) != NULL,
break);
return current_key;
}
