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-rw-r--r--src/liblzma/common/delta_decoder.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/src/liblzma/common/delta_decoder.c b/src/liblzma/common/delta_decoder.c
deleted file mode 100644
index 8f5a4cbf..00000000
--- a/src/liblzma/common/delta_decoder.c
+++ /dev/null
@@ -1,61 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-//
-/// \file delta_decoder.c
-/// \brief Delta filter decoder
-//
-// 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_decoder.h"
-#include "delta_common.h"
-
-
-static void
-decode_buffer(lzma_coder *coder, uint8_t *buffer, size_t size)
-{
- const size_t distance = coder->distance;
-
- for (size_t i = 0; i < size; ++i) {
- buffer[i] += coder->history[(distance + coder->pos) & 0xFF];
- coder->history[coder->pos-- & 0xFF] = buffer[i];
- }
-}
-
-
-static lzma_ret
-delta_decode(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)
-{
- assert(coder->next.code != NULL);
-
- const size_t out_start = *out_pos;
-
- const lzma_ret ret = coder->next.code(coder->next.coder, allocator,
- in, in_pos, in_size, out, out_pos, out_size,
- action);
-
- decode_buffer(coder, out + out_start, *out_pos - out_start);
-
- return ret;
-}
-
-
-extern lzma_ret
-lzma_delta_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
- const lzma_filter_info *filters)
-{
- return lzma_delta_coder_init(next, allocator, filters, &delta_decode);
-}