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Diffstat (limited to 'doc/lzma-file-format.txt')
| -rw-r--r-- | doc/lzma-file-format.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/lzma-file-format.txt b/doc/lzma-file-format.txt index 015b0fae..4865defd 100644 --- a/doc/lzma-file-format.txt +++ b/doc/lzma-file-format.txt @@ -40,7 +40,11 @@ The .lzma File Format 0.2. Changes - Last modified: 2011-04-12 11:55+0300 + Last modified: 2022-07-13 21:00+0300 + + Compared to the previous version (2011-04-12 11:55+0300) + the section 1.1.3 was modified to allow End of Payload Marker + with a known Uncompressed Size. 1. File Format @@ -129,7 +133,10 @@ The .lzma File Format Uncompressed Size is stored as unsigned 64-bit little endian integer. A special value of 0xFFFF_FFFF_FFFF_FFFF indicates that Uncompressed Size is unknown. End of Payload Marker (*) - is used if and only if Uncompressed Size is unknown. + is used if Uncompressed Size is unknown. End of Payload Marker + is allowed but rarely used if Uncompressed Size is known. + XZ Utils 5.2.5 and older don't support .lzma files that have + End of Payload Marker together with a known Uncompressed Size. XZ Utils rejects files whose Uncompressed Size field specifies a known size that is 256 GiB or more. This is to reject false |