Sort of garbage collection commit. :-| Many things are still

broken. API has changed a lot and it will still change a
little more here and there. The command line tool doesn't
have all the required changes to reflect the API changes, so
it's easy to get "internal error" or trigger assertions.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/liblzma/common/delta_decoder.c b/src/liblzma/delta/delta_decoder.c
index 8f5a4cbf..ee22ba02 100644
--- a/src/liblzma/common/delta_decoder.c
+++ b/src/liblzma/delta/delta_decoder.c
@@ -59,3 +59,24 @@ lzma_delta_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
 {
 	return lzma_delta_coder_init(next, allocator, filters, &delta_decode);
 }
+
+
+extern lzma_ret
+lzma_delta_props_decode(void **options, lzma_allocator *allocator,
+		const uint8_t *props, size_t props_size)
+{
+	if (props_size != 1)
+		return LZMA_HEADER_ERROR;
+
+	lzma_options_delta *opt
+			= lzma_alloc(sizeof(lzma_options_delta), allocator);
+	if (opt == NULL)
+		return LZMA_MEM_ERROR;
+
+	opt->type = LZMA_DELTA_TYPE_BYTE;
+	opt->distance = props[0] + 1;
+
+	*options = opt;
+
+	return LZMA_OK;
+}