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rvzstd [2025/10/12 03:15] – [Filename Encoding] johnsancrvzstd [2025/10/12 03:29] (current) – johnsanc
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 ===== Archive format ===== ===== Archive format =====
-==== General format of an RVZstd .zip file with n files: ====+==== General format of an RVZstd .zip archive with n files: ====
  
 ^Archive Start^ ^Archive Start^
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 |UInt32|Local file header signature|04034B50|Static signature value| |UInt32|Local file header signature|04034B50|Static signature value|
 |UInt16|Version needed to extract|3F00|63: Used for modern compression algorithms like LZMA and zstd| |UInt16|Version needed to extract|3F00|63: Used for modern compression algorithms like LZMA and zstd|
-|UInt16|General purpose bit flag|0200|Maximum compression option was used, bit 11 (0x800) is set for unicode filename|+|UInt16|General purpose bit flag| |Bit 2: (0x200) Maximum compression option was used. Bit 11: (0x800) is set for unicode filename|
 |UInt16|Compression method|5D00|93: The file is compressed with zstd| |UInt16|Compression method|5D00|93: The file is compressed with zstd|
 |UInt16|Last mod file time|0000|zeroed time, 1/1/0001| |UInt16|Last mod file time|0000|zeroed time, 1/1/0001|
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 |Byte[]|Filename (variable size)| |Byte array of filename| |Byte[]|Filename (variable size)| |Byte array of filename|
  
-<WRAP info>The default values are required to ensure consistent RVZstd files. Unlike torrentzip, RVZstd uses zeroed values for date and time instead of the date/time of the first MAME release.</WRAP>+<WRAP info>The default values are required to ensure consistent RVZstd archives. Unlike torrentzip, RVZstd uses zeroed values for date and time instead of the date/time of the first MAME release.</WRAP>
  
 ==== File data x: ==== ==== File data x: ====
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 |UInt16|Version made by|0000|MS_DOS and OS/2 (FAT/FAT32 file systems)| |UInt16|Version made by|0000|MS_DOS and OS/2 (FAT/FAT32 file systems)|
 |UInt16|Version needed to extract|3F00|63: Used for modern compression algorithms like LZMA and zstd| |UInt16|Version needed to extract|3F00|63: Used for modern compression algorithms like LZMA and zstd|
-|UInt16|General purpose bit flag|0200|Maximum compression option was used, bit 11 (0x800) is set for unicode filename|+|UInt16|General purpose bit flag| |Bit 2: (0x200) Maximum compression option was used. Bit 11: (0x800) is set for unicode filename|
 |UInt16|Compression method|5D00|93: The file is compressed with zstd| |UInt16|Compression method|5D00|93: The file is compressed with zstd|
 |UInt16|Last mod file time|0000|zeroed time, 1/1/0001| |UInt16|Last mod file time|0000|zeroed time, 1/1/0001|
rvzstd.1760238921.txt.gz · Last modified: 2025/10/12 03:15 by johnsanc