/*
* Key comparison function in database
* meta keys are sorted by num of slashes and then memcpy
* data keys are sorted by memcpy directly
*/
static int env_keycmp(DB *DB, DBT const *a, DBT const *b)
{
if (IS_DATA_KEY_DBT(a)) {
int r;
struct ftfs_data_key *ka = (struct ftfs_data_key *)a->data;
struct ftfs_data_key *kb = (struct ftfs_data_key *)b->data;
BUG_ON(!IS_DATA_KEY_DBT(b));
r = circle_id_cmp(data_key_get_circle_id(ka),
data_key_get_circle_id(kb));
if (r)
return r;
r = path_cmp(data_key_get_path(ka),
data_key_get_path(kb),
DBT_PATH_LEN(a->size, *ka),
DBT_PATH_LEN(b->size, *kb));
if (r)
return r;
r = block_num_cmp(data_key_get_block_num(ka),
data_key_get_block_num(kb));
return r;
} else {
int r;
struct ftfs_meta_key * ka = (struct ftfs_meta_key *)a->data;
struct ftfs_meta_key * kb = (struct ftfs_meta_key *)b->data;
BUG_ON(!IS_META_KEY_DBT(a));
BUG_ON(!IS_META_KEY_DBT(b));
r = circle_id_cmp(meta_key_get_circle_id(ka),
meta_key_get_circle_id(kb));
if (r)
return r;
r = path_cmp(meta_key_get_path(ka),
meta_key_get_path(kb),
DBT_PATH_LEN(a->size, *ka),
DBT_PATH_LEN(b->size, *kb));
return r;
}
}
int
vh_scanner_path_cmp (scanner_t *scanner, const char *file)
{
vh_log (VALHALLA_MSG_VERBOSE, __FUNCTION__);
if (!scanner)
return -1;
return path_cmp (scanner->paths, file);
}
int
alphasort(const struct dirent **a, const struct dirent **b)
{
return path_cmp((*a)->d_name, (*b)->d_name);
}
