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liblzma: Fix lzma_index_dup() for empty Streams.
Stream Flags and Stream Padding weren't copied from empty Streams.
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06f434bd89
commit
e10bfdb0fc
1 changed files with 6 additions and 5 deletions
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@ -872,11 +872,8 @@ index_dup_stream(const index_stream *src, const lzma_allocator *allocator)
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index_stream *dest = index_stream_init(src->node.compressed_base,
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src->node.uncompressed_base, src->number,
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src->block_number_base, allocator);
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// Return immediately if allocation failed or if there are
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// no groups to duplicate.
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if (dest == NULL || src->groups.leftmost == NULL)
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return dest;
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if (dest == NULL)
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return NULL;
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// Copy the overall information.
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dest->record_count = src->record_count;
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@ -884,6 +881,10 @@ index_dup_stream(const index_stream *src, const lzma_allocator *allocator)
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dest->stream_flags = src->stream_flags;
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dest->stream_padding = src->stream_padding;
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// Return if there are no groups to duplicate.
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if (src->groups.leftmost == NULL)
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return dest;
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// Allocate memory for the Records. We put all the Records into
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// a single group. It's simplest and also tends to make
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// lzma_index_locate() a little bit faster with very big Indexes.
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