liblzma 5.0.5-gb69900ed (reduced)

Extract upstream liblzma using the following shell code.

url=http://git.tukaani.org/xz.git &&
v=5.0.5 &&
r=b69900ed &&
paths="
  COPYING
  src/common/common_w32res.rc
  src/common/sysdefs.h
  src/common/tuklib_integer.h
  src/liblzma
" &&
mkdir liblzma-$v-g$r-reduced &&
git clone $url liblzma-git &&
date=$(cd liblzma-git && git log -n 1 --format='%cd' $r) &&
(cd liblzma-git && git archive --format=tar $r -- $paths) |
(cd liblzma-$v-g$r-reduced && tar xv &&
 mv src/* . && rmdir src) &&
echo "g$r date: $date"

1 files changed, 38 insertions, 0 deletions

diff --git a/liblzma/simple/simple_encoder.c b/liblzma/simple/simple_encoder.c
new file mode 100644
index 0000000..8aa463b
--- /dev/null
+++ b/liblzma/simple/simple_encoder.c
@@ -0,0 +1,38 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       simple_encoder.c
+/// \brief      Properties encoder for simple filters
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "simple_encoder.h"
+
+
+extern lzma_ret
+lzma_simple_props_size(uint32_t *size, const void *options)
+{
+	const lzma_options_bcj *const opt = options;
+	*size = (opt == NULL || opt->start_offset == 0) ? 0 : 4;
+	return LZMA_OK;
+}
+
+
+extern lzma_ret
+lzma_simple_props_encode(const void *options, uint8_t *out)
+{
+	const lzma_options_bcj *const opt = options;
+
+	// The default start offset is zero, so we don't need to store any
+	// options unless the start offset is non-zero.
+	if (opt == NULL || opt->start_offset == 0)
+		return LZMA_OK;
+
+	unaligned_write32le(out, opt->start_offset);
+
+	return LZMA_OK;
+}