As pointed out recently on a GNU cpio mailing list, you can't

hardlink device nodes.

SVN-Revision: 1821

diff --git a/libarchive/archive_entry_link_resolver.c b/libarchive/archive_entry_link_resolver.c
index ae2d2ab254df00e29130c386174dda841ef0dd97..3b13e19c8bf7363a38a7f9dec98cde0752c1ede5 100644 (file)
--- a/libarchive/archive_entry_link_resolver.c
+++ b/libarchive/archive_entry_link_resolver.c
@@ -181,8 +181,10 @@ archive_entry_linkify(struct archive_entry_linkresolver *res,
        /* If it has only one link, then we're done. */
        if (archive_entry_nlink(*e) == 1)
                return;
-       /* Directories never have hardlinks. */
-       if (archive_entry_filetype(*e) == AE_IFDIR)
+       /* Directories, devices never have hardlinks. */
+       if (archive_entry_filetype(*e) == AE_IFDIR
+           || archive_entry_filetype(*e) == AE_IFBLK
+           || archive_entry_filetype(*e) == AE_IFCHR)
                return;
 
        switch (res->strategy) {