Add a generic copying mechanism to sqfs_object_t

This patch adds a deep-copy callback to sqfs_object_t and removes the
copying mechanism from sqfs_compressor_t. This is also interesting for
other types.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/sqfs/dir_writer.h b/include/sqfs/dir_writer.h
index e4a26c7..dce5a79 100644
--- a/include/sqfs/dir_writer.h
+++ b/include/sqfs/dir_writer.h
@@ -58,6 +58,8 @@
  * adding entries. Internally it fills data into a meta data writer and
  * generates an index that it can, on request, write to another meta data
  * writer used for inodes.
+ *
+ * This object is not copyable, i.e. @ref sqfs_copy will always return NULL.
  */
 
 /**