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LibArchive: Support writing paths up to 255 characters
The POSIX.1-1988 limit was 100, but with the ustar prefix field it's 255 (kinda).
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3 changed files with 22 additions and 2 deletions
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@ -35,4 +35,22 @@ bool TarFileHeader::content_is_like_extended_header() const
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return type_flag() == TarFileType::ExtendedHeader || type_flag() == TarFileType::GlobalExtendedHeader;
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}
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void TarFileHeader::set_filename_and_prefix(StringView filename)
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{
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// FIXME: Add support for extended tar headers for longer filenames.
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VERIFY(filename.length() <= sizeof(m_filename) + sizeof(m_prefix));
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if (filename.length() <= sizeof(m_filename)) {
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set_prefix(""sv);
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set_filename(filename);
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return;
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}
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Optional<size_t> slash = filename.find('/', filename.length() - sizeof(m_filename));
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VERIFY(slash.has_value());
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set_prefix(filename.substring_view(0, slash.value() + 1));
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set_filename(filename.substring_view(slash.value() + 1));
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}
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}
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