libarchive: fix xmalloc_open_zipped_read_close()

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

1 files changed, 3 insertions, 0 deletions

diff --git a/archival/libarchive/open_transformer.c b/archival/libarchive/open_transformer.c
index a3018d9ec..ac7e5db95 100644
--- a/archival/libarchive/open_transformer.c
+++ b/archival/libarchive/open_transformer.c
@@ -331,6 +331,9 @@ void* FAST_FUNC xmalloc_open_zipped_read_close(const char *fname, size_t *maxsz_
                 }
         } else {
                 /* File is not compressed */
+//FIXME: avoid seek
+                xlseek(xstate->src_fd, - xstate->signature_skipped, SEEK_CUR);
+                xstate->signature_skipped = 0;
                 image = xmalloc_read(xstate->src_fd, maxsz_p);
         }