Method

RBExtDBlookup

Declaration [src] 

char*
rb_ext_db_lookup (
  RBExtDB* store,
  RBExtDBKey* key,
  RBExtDBKey** store_key
)

Description [src]

Looks up a cached metadata item.

Parameters

key

Type: RBExtDBKey

Metadata lookup key.

The data is owned by the caller of the method.
store_key

Type: RBExtDBKey

Optionally returns the matching storage key.

The argument will be set by the function.
The argument can be NULL.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.

Return value

Type: char*

Name of the file storing the cached metadata item.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.
The value is a NUL terminated UTF-8 string.