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-rw-r--r--src/liblzma/common/alignment.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/src/liblzma/common/alignment.c b/src/liblzma/common/alignment.c
deleted file mode 100644
index ff38062e..00000000
--- a/src/liblzma/common/alignment.c
+++ /dev/null
@@ -1,114 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-//
-/// \file alignment.c
-/// \brief Calculates preferred alignments of different filters
-//
-// Copyright (C) 2007 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 "common.h"
-
-
-extern LZMA_API uint32_t
-lzma_alignment_input(const lzma_filter *filters, uint32_t guess)
-{
- for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
- switch (filters[i].id) {
- case LZMA_FILTER_DELTA:
- // The same as the input, check the next filter.
- continue;
-
- case LZMA_FILTER_SUBBLOCK:
- if (filters[i].options == NULL)
- return LZMA_SUBBLOCK_ALIGNMENT_DEFAULT;
- else
- return ((const lzma_options_subblock *)(
- filters[i].options))->alignment;
-
- case LZMA_FILTER_X86:
- return 1;
-
- case LZMA_FILTER_ARMTHUMB:
- return 2;
-
- case LZMA_FILTER_POWERPC:
- case LZMA_FILTER_ARM:
- case LZMA_FILTER_SPARC:
- return 4;
-
- case LZMA_FILTER_IA64:
- return 16;
-
- case LZMA_FILTER_LZMA1: {
- const lzma_options_lzma *lzma = filters[i].options;
- return 1 << MAX(lzma->pb, lzma->lp);
- }
-
- default:
- return UINT32_MAX;
- }
- }
-
- return guess;
-}
-
-
-extern LZMA_API uint32_t
-lzma_alignment_output(const lzma_filter *filters, uint32_t guess)
-{
- if (filters[0].id == LZMA_VLI_UNKNOWN)
- return UINT32_MAX;
-
- // Find the last filter in the chain.
- size_t i = 0;
- while (filters[i + 1].id != LZMA_VLI_UNKNOWN)
- ++i;
-
- do {
- switch (filters[i].id) {
- case LZMA_FILTER_DELTA:
- // It's the same as the input alignment, so
- // check the next filter.
- continue;
-
- case LZMA_FILTER_SUBBLOCK:
- if (filters[i].options == NULL)
- return LZMA_SUBBLOCK_ALIGNMENT_DEFAULT;
- else
- return ((const lzma_options_subblock *)(
- filters[i].options))->alignment;
-
- case LZMA_FILTER_X86:
- case LZMA_FILTER_LZMA1:
- return 1;
-
- case LZMA_FILTER_ARMTHUMB:
- return 2;
-
- case LZMA_FILTER_POWERPC:
- case LZMA_FILTER_ARM:
- case LZMA_FILTER_SPARC:
- return 4;
-
- case LZMA_FILTER_IA64:
- return 16;
-
- default:
- return UINT32_MAX;
- }
- } while (i-- != 0);
-
- // If we get here, we have the same alignment as the input data.
- return guess;
-}