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authorDenys Vlasenko <vda.linux@googlemail.com>2015-01-30 15:15:38 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2015-01-30 15:15:38 +0100
commit08f9ffc3f7503eb3dc94f16c615b20d2ae9a059c (patch)
tree7f4ad348cc275500a72a6c7ea3dab015bce2221b /archival/libarchive/get_header_tar_xz.c
parent8c05a74f7efcda6ae5bd83e134edf44af12cb5e4 (diff)
downloadbusybox-08f9ffc3f7503eb3dc94f16c615b20d2ae9a059c.tar.gz
dpkg: update supported compression methods
Based on a patch by Ron Yorston <rmy@tigress.co.uk> function old new delta get_header_tar_xz - 60 +60 filter_accept_list_reassign 128 188 +60 unpack_package 585 621 +36 init_archive_deb_control 52 76 +24 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 3/0 up/down: 180/0) Total: 180 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/libarchive/get_header_tar_xz.c')
-rw-r--r--archival/libarchive/get_header_tar_xz.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/archival/libarchive/get_header_tar_xz.c b/archival/libarchive/get_header_tar_xz.c
new file mode 100644
index 000000000..7bf3b3b56
--- /dev/null
+++ b/archival/libarchive/get_header_tar_xz.c
@@ -0,0 +1,21 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+#include "libbb.h"
+#include "bb_archive.h"
+
+char FAST_FUNC get_header_tar_xz(archive_handle_t *archive_handle)
+{
+ /* Can't lseek over pipes */
+ archive_handle->seek = seek_by_read;
+
+ fork_transformer_with_sig(archive_handle->src_fd, unpack_xz_stream, "unxz");
+ archive_handle->offset = 0;
+ while (get_header_tar(archive_handle) == EXIT_SUCCESS)
+ continue;
+
+ /* Can only do one file at a time */
+ return EXIT_FAILURE;
+}