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xz: Make xz -lvv show that the upcoming --arm64 needs 5.4.0 to decompress.

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This commit is contained in:
Lasse Collin 2022-11-08 23:05:37 +02:00
parent fb3f05ac9f
commit fe6b8852a3
1 changed files with 15 additions and 5 deletions
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20
src/xz/list.c
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@ -544,16 +544,26 @@ parse_block_header(file_pair *pair, const lzma_index_iter *iter,
// Determine the minimum XZ Utils version that supports this Block.
//
// Currently the only thing that 5.0.0 doesn't support is empty
// LZMA2 Block. This decoder bug was fixed in 5.0.2.
{
// - ARM64 filter needs 5.4.0.
//
// - 5.0.0 doesn't support empty LZMA2 streams and thus empty
// Blocks that use LZMA2. This decoder bug was fixed in 5.0.2.
if (xfi->min_version < 50040002U) {
for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
if (filters[i].id == LZMA_FILTER_ARM64) {
xfi->min_version = 50040002U;
break;
}
}
}
if (xfi->min_version < 50000022U) {
size_t i = 0;
while (filters[i + 1].id != LZMA_VLI_UNKNOWN)
++i;
if (filters[i].id == LZMA_FILTER_LZMA2
&& iter->block.uncompressed_size == 0
&& xfi->min_version < 50000022U)
&& iter->block.uncompressed_size == 0)
xfi->min_version = 50000022U;
}