1 files changed, 16 insertions, 15 deletions

diff --git a/Utilities/cmliblzma/liblzma/delta/delta_encoder.c b/Utilities/cmliblzma/liblzma/delta/delta_encoder.c
index a39c154f1..384165151 100644
--- a/Utilities/cmliblzma/liblzma/delta/delta_encoder.c
+++ b/Utilities/cmliblzma/liblzma/delta/delta_encoder.c
@@ -18,13 +18,12 @@
 /// is the first filter in the chain (and thus the last filter in the
 /// encoder's filter stack).
 static void
-copy_and_encode(lzma_coder *coder,
-		const uint8_t *LZMA_RESTRICT in, uint8_t *LZMA_RESTRICT out, size_t size)
+copy_and_encode(lzma_delta_coder *coder,
+		const uint8_t *restrict in, uint8_t *restrict out, size_t size)
 {
-	size_t i;
 	const size_t distance = coder->distance;
 
-	for (i = 0; i < size; ++i) {
+	for (size_t i = 0; i < size; ++i) {
 		const uint8_t tmp = coder->history[
 				(distance + coder->pos) & 0xFF];
 		coder->history[coder->pos-- & 0xFF] = in[i];
@@ -36,12 +35,11 @@ copy_and_encode(lzma_coder *coder,
 /// Encodes the data in place. This is used when we are the last filter
 /// in the chain (and thus non-last filter in the encoder's filter stack).
 static void
-encode_in_place(lzma_coder *coder, uint8_t *buffer, size_t size)
+encode_in_place(lzma_delta_coder *coder, uint8_t *buffer, size_t size)
 {
-	size_t i;
 	const size_t distance = coder->distance;
 
-	for (i = 0; i < size; ++i) {
+	for (size_t i = 0; i < size; ++i) {
 		const uint8_t tmp = coder->history[
 				(distance + coder->pos) & 0xFF];
 		coder->history[coder->pos-- & 0xFF] = buffer[i];
@@ -51,11 +49,13 @@ encode_in_place(lzma_coder *coder, uint8_t *buffer, size_t size)
 
 
 static lzma_ret
-delta_encode(lzma_coder *coder, lzma_allocator *allocator,
-		const uint8_t *LZMA_RESTRICT in, size_t *LZMA_RESTRICT in_pos,
-		size_t in_size, uint8_t *LZMA_RESTRICT out,
-		size_t *LZMA_RESTRICT out_pos, size_t out_size, lzma_action action)
+delta_encode(void *coder_ptr, const lzma_allocator *allocator,
+		const uint8_t *restrict in, size_t *restrict in_pos,
+		size_t in_size, uint8_t *restrict out,
+		size_t *restrict out_pos, size_t out_size, lzma_action action)
 {
+	lzma_delta_coder *coder = coder_ptr;
+
 	lzma_ret ret;
 
 	if (coder->next.code == NULL) {
@@ -86,10 +86,12 @@ delta_encode(lzma_coder *coder, lzma_allocator *allocator,
 
 
 static lzma_ret
-delta_encoder_update(lzma_coder *coder, lzma_allocator *allocator,
+delta_encoder_update(void *coder_ptr, const lzma_allocator *allocator,
 		const lzma_filter *filters_null lzma_attribute((__unused__)),
 		const lzma_filter *reversed_filters)
 {
+	lzma_delta_coder *coder = coder_ptr;
+
 	// Delta doesn't and will never support changing the options in
 	// the middle of encoding. If the app tries to change them, we
 	// simply ignore them.
@@ -99,7 +101,7 @@ delta_encoder_update(lzma_coder *coder, lzma_allocator *allocator,
 
 
 extern lzma_ret
-lzma_delta_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
+lzma_delta_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		const lzma_filter_info *filters)
 {
 	next->code = &delta_encode;
@@ -111,13 +113,12 @@ lzma_delta_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
 extern lzma_ret
 lzma_delta_props_encode(const void *options, uint8_t *out)
 {
-	const lzma_options_delta *opt = options;
-
 	// The caller must have already validated the options, so it's
 	// LZMA_PROG_ERROR if they are invalid.
 	if (lzma_delta_coder_memusage(options) == UINT64_MAX)
 		return LZMA_PROG_ERROR;
 
+	const lzma_options_delta *opt = options;
 	out[0] = opt->dist - LZMA_DELTA_DIST_MIN;
 
 	return LZMA_OK;