dpkg_deb: slight code shrink
ar: reuse existing ar unpacking code
get_header_tar: handle autodetection for tiny .tar.gz files too
unarchive.h: do not include CONFIGed out things
function old new delta
get_header_tar 1521 1534 +13
dpkg_deb_main 400 380 -20
ar_main 260 196 -64
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 13/-84) Total: -71 bytes
diff --git a/include/unarchive.h b/include/unarchive.h
index 0e380db..5b71d3e 100644
--- a/include/unarchive.h
+++ b/include/unarchive.h
@@ -47,11 +47,13 @@
/* Process the data component, e.g. extract to filesystem */
void FAST_FUNC (*action_data)(struct archive_handle_t *);
+#if ENABLE_DPKG || ENABLE_DPKG_DEB
+ /* "subarchive" is used only by dpkg[-deb] applets */
/* How to process any sub archive, e.g. get_header_tar_gz */
char FAST_FUNC (*action_data_subarchive)(struct archive_handle_t *);
-
/* Contains the handle to a sub archive */
struct archive_handle_t *sub_archive;
+#endif
/* The raw stream as read from disk or stdin */
int src_fd;