size_t data_len);
+/**
+ * Remove all items in the container.
+ *
+ * @param md metadata to manipulate
+ */
+void
+GNUNET_CONTAINER_meta_data_clear (struct GNUNET_CONTAINER_MetaData *md);
+
+
/**
* Add the current time as the publication date
* to the meta-data.
GNUNET_CONTAINER_MetaData
*md, unsigned char **thumb);
-/**
- * Extract meta-data from a file.
- *
- * @param md metadata to set
- * @param filename name of file to inspect
- * @param extractors plugins to use
- * @return GNUNET_SYSERR on error, otherwise the number
- * of meta-data items obtained
- */
-int
-GNUNET_CONTAINER_meta_data_extract_from_file (struct
- GNUNET_CONTAINER_MetaData
- *md, const char *filename,
- struct EXTRACTOR_PluginList *
- extractors);
/**