rename archival/libunarchive -> archival/libarchive; move bz/ into it

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

1 files changed, 22 insertions, 0 deletions

diff --git a/archival/libarchive/unpack_ar_archive.c b/archival/libarchive/unpack_ar_archive.c
new file mode 100644
index 0000000..18dbfd5
--- /dev/null
+++ b/archival/libarchive/unpack_ar_archive.c
@@ -0,0 +1,22 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+#include "libbb.h"
+#include "archive.h"
+#include "ar.h"
+
+void FAST_FUNC unpack_ar_archive(archive_handle_t *ar_archive)
+{
+	char magic[7];
+
+	xread(ar_archive->src_fd, magic, AR_MAGIC_LEN);
+	if (strncmp(magic, AR_MAGIC, AR_MAGIC_LEN) != 0) {
+		bb_error_msg_and_die("invalid ar magic");
+	}
+	ar_archive->offset += AR_MAGIC_LEN;
+
+	while (get_header_ar(ar_archive) == EXIT_SUCCESS)
+		continue;
+}