1 files changed, 0 insertions, 98 deletions
diff --git a/src/liblzma/common/delta_encoder.c b/src/liblzma/common/delta_encoder.c
deleted file mode 100644
index a8bb9341..00000000
--- a/src/liblzma/common/delta_encoder.c
+++ /dev/null
@@ -1,98 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-//
-/// \file       delta_encoder.c
-/// \brief      Delta filter encoder
-//
-//  Copyright (C) 2007, 2008 Lasse Collin
-//
-//  This library is free software; you can redistribute it and/or
-//  modify it under the terms of the GNU Lesser General Public
-//  License as published by the Free Software Foundation; either
-//  version 2.1 of the License, or (at your option) any later version.
-//
-//  This library is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-//  Lesser General Public License for more details.
-//
-///////////////////////////////////////////////////////////////////////////////
-
-#include "delta_encoder.h"
-#include "delta_common.h"
-
-
-/// Copies and encodes the data at the same time. This is used when Delta
-/// 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 *restrict in, uint8_t *restrict out, size_t size)
-{
-	const size_t distance = coder->distance;
-
-	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];
-		out[i] = in[i] - tmp;
-	}
-}
-
-
-/// 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)
-{
-	const size_t distance = coder->distance;
-
-	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];
-		buffer[i] -= tmp;
-	}
-}
-
-
-static lzma_ret
-delta_encode(lzma_coder *coder, 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_ret ret;
-
-	if (coder->next.code == NULL) {
-		const size_t in_avail = in_size - *in_pos;
-		const size_t out_avail = out_size - *out_pos;
-		const size_t size = MIN(in_avail, out_avail);
-
-		copy_and_encode(coder, in + *in_pos, out + *out_pos, size);
-
-		*in_pos += size;
-		*out_pos += size;
-
-		ret = action != LZMA_RUN && *in_pos == in_size
-				? LZMA_STREAM_END : LZMA_OK;
-
-	} else {
-		const size_t out_start = *out_pos;
-
-		ret = coder->next.code(coder->next.coder, allocator,
-				in, in_pos, in_size, out, out_pos, out_size,
-				action);
-
-		encode_in_place(coder, out + out_start, *out_pos - out_start);
-	}
-
-	return ret;
-}
-
-
-extern lzma_ret
-lzma_delta_encoder_init(lzma_next_coder *next, lzma_allocator *allocator,
-		const lzma_filter_info *filters)
-{
-	return lzma_delta_coder_init(next, allocator, filters, &delta_encode);
-}