var tarinsecurepath … var ErrHeader … var ErrWriteTooLong … var ErrFieldTooLong … var ErrWriteAfterClose … var ErrInsecurePath … var errMissData … var errUnrefData … var errWriteHole … type headerError … func (he headerError) Error() string { … } const TypeReg … const TypeRegA … const TypeLink … const TypeSymlink … const TypeChar … const TypeBlock … const TypeDir … const TypeFifo … const TypeCont … const TypeXHeader … const TypeXGlobalHeader … const TypeGNUSparse … const TypeGNULongName … const TypeGNULongLink … const paxNone … const paxPath … const paxLinkpath … const paxSize … const paxUid … const paxGid … const paxUname … const paxGname … const paxMtime … const paxAtime … const paxCtime … const paxCharset … const paxComment … const paxSchilyXattr … const paxGNUSparse … const paxGNUSparseNumBlocks … const paxGNUSparseOffset … const paxGNUSparseNumBytes … const paxGNUSparseMap … const paxGNUSparseName … const paxGNUSparseMajor … const paxGNUSparseMinor … const paxGNUSparseSize … const paxGNUSparseRealSize … var basicKeys … type Header … type sparseEntry … func (s sparseEntry) endOffset() int64 { … } type sparseDatas … type sparseHoles … // validateSparseEntries reports whether sp is a valid sparse map. // It does not matter whether sp represents data fragments or hole fragments. func validateSparseEntries(sp []sparseEntry, size int64) bool { … } // alignSparseEntries mutates src and returns dst where each fragment's // starting offset is aligned up to the nearest block edge, and each // ending offset is aligned down to the nearest block edge. // // Even though the Go tar Reader and the BSD tar utility can handle entries // with arbitrary offsets and lengths, the GNU tar utility can only handle // offsets and lengths that are multiples of blockSize. func alignSparseEntries(src []sparseEntry, size int64) []sparseEntry { … } // invertSparseEntries converts a sparse map from one form to the other. // If the input is sparseHoles, then it will output sparseDatas and vice-versa. // The input must have been already validated. // // This function mutates src and returns a normalized map where: // - adjacent fragments are coalesced together // - only the last fragment may be empty // - the endOffset of the last fragment is the total size func invertSparseEntries(src []sparseEntry, size int64) []sparseEntry { … } type fileState … // allowedFormats determines which formats can be used. // The value returned is the logical OR of multiple possible formats. // If the value is FormatUnknown, then the input Header cannot be encoded // and an error is returned explaining why. // // As a by-product of checking the fields, this function returns paxHdrs, which // contain all fields that could not be directly encoded. // A value receiver ensures that this method does not mutate the source Header. func (h Header) allowedFormats() (format Format, paxHdrs map[string]string, err error) { … } // FileInfo returns an fs.FileInfo for the Header. func (h *Header) FileInfo() fs.FileInfo { … } type headerFileInfo … func (fi headerFileInfo) Size() int64 { … } func (fi headerFileInfo) IsDir() bool { … } func (fi headerFileInfo) ModTime() time.Time { … } func (fi headerFileInfo) Sys() any { … } // Name returns the base name of the file. func (fi headerFileInfo) Name() string { … } // Mode returns the permission and mode bits for the headerFileInfo. func (fi headerFileInfo) Mode() (mode fs.FileMode) { … } func (fi headerFileInfo) String() string { … } var sysStat … const c_ISUID … const c_ISGID … const c_ISVTX … const c_ISDIR … const c_ISFIFO … const c_ISREG … const c_ISLNK … const c_ISBLK … const c_ISCHR … const c_ISSOCK … // FileInfoHeader creates a partially-populated [Header] from fi. // If fi describes a symlink, FileInfoHeader records link as the link target. // If fi describes a directory, a slash is appended to the name. // // Since fs.FileInfo's Name method only returns the base name of // the file it describes, it may be necessary to modify Header.Name // to provide the full path name of the file. // // If fi implements [FileInfoNames] // Header.Gname and Header.Uname // are provided by the methods of the interface. func FileInfoHeader(fi fs.FileInfo, link string) (*Header, error) { … } type FileInfoNames … // isHeaderOnlyType checks if the given type flag is of the type that has no // data section even if a size is specified. func isHeaderOnlyType(flag byte) bool { … }
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