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liblzma: Preserve check statistics in lzma_index_dup()

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lzma_index_dup() copied the per-Stream flags but not the cached bitmask
for all Streams except the last one. As a result, lzma_index_checks() on
a duplicated multi-Stream Index reported only the Check type of its
final Stream.

Fixes: https://github.com/tukaani-project/xz/pull/238
This commit is contained in:
Darren Carreras 2026-07-27 22:13:09 -04:00 committed by Lasse Collin
parent 6097929ae8
commit c57500bda5
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1 changed files with 1 additions and 0 deletions
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src/liblzma/common/index.c
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@ -974,6 +974,7 @@ lzma_index_dup(const lzma_index *src, const lzma_allocator *allocator)
dest->total_size = src->total_size; dest->total_size = src->total_size;
dest->record_count = src->record_count; dest->record_count = src->record_count;
dest->index_list_size = src->index_list_size; dest->index_list_size = src->index_list_size;
dest->checks = src->checks;
// Copy the Streams and the groups in them. // Copy the Streams and the groups in them.
const index_stream *srcstream const index_stream *srcstream