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Last change
on this file was 108913, checked in by vboxsync, 6 weeks ago |
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libs/liblzma: Liblzma ose fix. jiraref:VBP-1635
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Author Date Id Revision
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File size:
913 bytes
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| 1 | // SPDX-License-Identifier: 0BSD
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| 2 |
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| 3 | ///////////////////////////////////////////////////////////////////////////////
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| 4 | //
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| 5 | /// \file simple_decoder.c
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| 6 | /// \brief Properties decoder for simple filters
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| 7 | //
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| 8 | // Author: Lasse Collin
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| 9 | //
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| 10 | ///////////////////////////////////////////////////////////////////////////////
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| 11 |
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| 12 | #include "simple_decoder.h"
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| 13 |
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| 14 |
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| 15 | extern lzma_ret
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| 16 | lzma_simple_props_decode(void **options, const lzma_allocator *allocator,
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| 17 | const uint8_t *props, size_t props_size)
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| 18 | {
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| 19 | if (props_size == 0)
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| 20 | return LZMA_OK;
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| 21 |
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| 22 | if (props_size != 4)
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| 23 | return LZMA_OPTIONS_ERROR;
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| 24 |
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| 25 | lzma_options_bcj *opt = lzma_alloc(
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| 26 | sizeof(lzma_options_bcj), allocator);
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| 27 | if (opt == NULL)
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| 28 | return LZMA_MEM_ERROR;
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| 29 |
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| 30 | opt->start_offset = read32le(props);
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| 31 |
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| 32 | // Don't leave an options structure allocated if start_offset is zero.
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| 33 | if (opt->start_offset == 0)
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| 34 | lzma_free(opt, allocator);
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| 35 | else
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| 36 | *options = opt;
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| 37 |
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| 38 | return LZMA_OK;
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| 39 | }
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