Method
CamelDataCacheget
Declaration [src]
GIOStream*
camel_data_cache_get (
CamelDataCache* cdc,
const gchar* path,
const gchar* key,
GError** error
)
Description [src]
Lookup an item in the cache. If the item exists, a GIOStream is returned
for the item. The stream may be shared by multiple callers, so ensure the
stream is in a valid state through external locking.
The returned GIOStream is referenced for thread-safety and must be
unreferenced with g_object_unref() when finished with it.
Parameters
path-
Type:
const gchar*Path to the (sub) cache the item exists in.
The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. key-
Type:
const gchar*Key for the cache item.
The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will be left initialized to NULLby the method if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.
Return value
Type: GIOStream
A GIOStream for the requested cache item, or NULL on error.
| The caller of the method takes ownership of the returned data, and is responsible for freeing it. |