tar: add support for --strip-components=N

function                                             old     new   delta
data_extract_all                                     882     995    +113
tar_longopts                                         290     309     +19
tar_main                                             938     942      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 136/0)             Total: 136 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/bb_archive.h b/include/bb_archive.h
index 2329d025d..10969b567 100644
--- a/include/bb_archive.h
+++ b/include/bb_archive.h
@@ -77,6 +77,9 @@ typedef struct archive_handle_t {
         off_t offset;
 
         /* Archiver specific. Can make it a union if it ever gets big */
+#if ENABLE_FEATURE_TAR_LONG_OPTIONS
+        unsigned tar__strip_components;
+#endif
 #define PAX_NEXT_FILE 0
 #define PAX_GLOBAL    1
 #if ENABLE_TAR || ENABLE_DPKG || ENABLE_DPKG_DEB