Issue 218: Suppress extracting the body only if we know the body has

zero size.  If we don't know the size, we have to proceed as if it is
non-zero.

This manifests as empty bodies when extracting Zip archives
using length-at-end semantics from a pipe using bsdcpio.

SVN-Revision: 4047

diff --git a/cpio/cpio.c b/cpio/cpio.c
index ff5a1c600ace8bf06cac7c9f9aa4442697a5d0dd..025c50cfafd2af65f94ecbf68406453b6349ce43 100644 (file)
--- a/cpio/cpio.c
+++ b/cpio/cpio.c
@@ -891,7 +891,8 @@ mode_in(struct cpio *cpio)
                        fprintf(stderr, "%s: %s\n",
                            archive_entry_pathname(entry),
                            archive_error_string(ext));
-               } else if (archive_entry_size(entry) > 0) {
+               } else if (!archive_entry_size_is_set(entry)
+                   || archive_entry_size(entry) > 0) {
                        r = extract_data(a, ext);
                        if (r != ARCHIVE_OK)
                                cpio->return_value = 1;