support LZMA concatenated files

The xz format supports concatenated files, images are sometimes created
and shipped with it to increase compression.

https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1742744 is
the source bug for this issue.
This commit is contained in:
Matthew Thode
2018-01-11 23:38:04 +01:00
committed by Lennart Poettering
parent d62b3f989a
commit 59dda97f7f
+1 -1
View File
@@ -70,7 +70,7 @@ int import_uncompress_detect(ImportCompress *c, const void *data, size_t size) {
if (memcmp(data, xz_signature, sizeof(xz_signature)) == 0) {
lzma_ret xzr;
xzr = lzma_stream_decoder(&c->xz, UINT64_MAX, LZMA_TELL_UNSUPPORTED_CHECK);
xzr = lzma_stream_decoder(&c->xz, UINT64_MAX, LZMA_TELL_UNSUPPORTED_CHECK | LZMA_CONCATENATED);
if (xzr != LZMA_OK)
return -EIO;