/usr/include/root/TZIPFile.h is in libroot-io-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Fons Rademakers 30/6/04
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TZIPFile
#define ROOT_TZIPFile
//////////////////////////////////////////////////////////////////////////
// //
// TZIPFile //
// //
// This class describes a ZIP archive file containing multiple //
// sub-files. Typically the sub-files are ROOT files. Notice that //
// the ROOT files should not be compressed when being added to the //
// ZIP file, since ROOT files are normally already compressed. //
// Such a ZIP file should be created like: //
// //
// zip -n root multi file1.root file2.root //
// //
// which creates a ZIP file multi.zip. //
// //
// For more on the ZIP file structure see TZIPFile.cxx. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TArchiveFile
#include "TArchiveFile.h"
#endif
class TZIPMember;
class TZIPFile : public TArchiveFile {
protected:
Long64_t fDirPos; // Central directory position
Long64_t fDirSize; // Central directory size
Long64_t fDirOffset; // Central directory offset (from the beginning of the archive)
TString fComment; // Archive comment
Long64_t FindEndHeader();
Int_t ReadEndHeader(Long64_t pos);
Long64_t ReadZip64EndLocator(Long64_t pos);
Int_t ReadZip64EndRecord(Long64_t pos);
Int_t ReadDirectory();
Int_t ReadMemberHeader(TZIPMember *member);
UInt_t Get(const void *buffer, Int_t bytes);
ULong64_t Get64(const void *buffer, Int_t bytes);
Int_t DecodeZip64ExtendedExtraField(TZIPMember *m, Bool_t global = kTRUE);
// ZIP archive constants
enum EZIPConstants {
// - Archive version required (and made)
kARCHIVE_VERSION = 45,
// - Magic header constants
kDIR_HEADER_MAGIC = 0x02014b50,
kENTRY_HEADER_MAGIC = 0x04034b50,
kEND_HEADER_MAGIC = 0x06054b50,
kZIP64_EDR_HEADER_MAGIC = 0x06064b50,
kZIP64_EDL_HEADER_MAGIC = 0x07064b50,
kZIP64_EXTENDED_MAGIC = 0x0001, // Zip64 Extended Information Extra Field
kZIP_MAGIC_LEN = 4, // Length of magic's
kMAX_VAR_LEN = 0xffff, // Max variable-width field length
kMAX_SIZE = 0xffffffff, // Max size of things
// - Offsets into the central directory headers
kDIR_MAGIC_OFF = 0,
kDIR_VMADE_OFF = 4, kDIR_VMADE_LEN = 2,
kDIR_VREQD_OFF = 6, kDIR_VREQD_LEN = 2,
kDIR_FLAG_OFF = 8, kDIR_FLAG_LEN = 2,
kDIR_METHOD_OFF = 10, kDIR_METHOD_LEN = 2,
kDIR_DATE_OFF = 12, kDIR_DATE_LEN = 4,
kDIR_CRC32_OFF = 16, kDIR_CRC32_LEN = 4,
kDIR_CSIZE_OFF = 20, kDIR_CSIZE_LEN = 4,
kDIR_USIZE_OFF = 24, kDIR_USIZE_LEN = 4,
kDIR_NAMELEN_OFF = 28, kDIR_NAMELEN_LEN = 2,
kDIR_EXTRALEN_OFF = 30, kDIR_EXTRALEN_LEN = 2,
kDIR_COMMENTLEN_OFF = 32, kDIR_COMMENTLEN_LEN = 2,
kDIR_DISK_START_OFF = 34, kDIR_DISK_START_LEN = 2,
kDIR_INT_ATTR_OFF = 36, kDIR_INT_ATTR_LEN = 2,
kDIR_EXT_ATTR_OFF = 38, kDIR_EXT_ATTR_LEN = 4,
kDIR_ENTRY_POS_OFF = 42, kDIR_ENTRY_POS_LEN = 4,
kDIR_HEADER_SIZE = 46,
// - Offsets into the Zip64 end of central directory record (EDR)
kZIP64_EDR_MAGIC_OFF = 0,
kZIP64_EDR_SIZE_OFF = 4, kZIP64_EDR_SIZE_LEN = 8,
kZIP64_EDR_VERS_MADE_OFF = 12, kZIP64_EDR_VERS_MADE_LEN = 2,
kZIP64_EDR_VERS_EXT_OFF = 14, kZIP64_EDR_VERS_EXT_LEN = 2,
kZIP64_EDR_DISK_OFF = 16, kZIP64_EDR_DISK_LEN = 4,
kZIP64_EDR_DIR_DISK_OFF = 20, kZIP64_EDR_DIR_DISK_LEN = 4,
kZIP64_EDR_DISK_HDRS_OFF = 24, kZIP64_EDR_DISK_HDRS_LEN = 8,
kZIP64_EDR_TOTAL_HDRS_OFF = 32, kZIP64_EDR_TOTAL_HDRS_LEN = 8,
kZIP64_EDR_DIR_SIZE_OFF = 40, kZIP64_EDR_DIR_SIZE_LEN = 8,
kZIP64_EDR_DIR_OFFSET_OFF = 48, kZIP64_EDR_DIR_OFFSET_LEN = 8,
kZIP64_EDR_HEADER_SIZE = 56,
// - Offsets into the Zip64 end of central directory locator (EDL)
kZIP64_EDL_MAGIC_OFF = 0,
kZIP64_EDL_DISK_OFF = 4, kZIP64_EDL_DISK_LEN = 4,
kZIP64_EDL_REC_OFFSET_OFF = 8, kZIP64_EDL_REC_OFFSET_LEN = 8,
kZIP64_EDL_TOTAL_DISK_OFF = 16, kZIP64_EDL_TOTAL_DISK_LEN = 4,
kZIP64_EDL_HEADER_SIZE = 20,
// - Offsets into the end-of-archive header
kEND_MAGIC_OFF = 0,
kEND_DISK_OFF = 4, kEND_DISK_LEN = 2,
kEND_DIR_DISK_OFF = 6, kEND_DIR_DISK_LEN = 2,
kEND_DISK_HDRS_OFF = 8, kEND_DISK_HDRS_LEN = 2,
kEND_TOTAL_HDRS_OFF = 10, kEND_TOTAL_HDRS_LEN = 2,
kEND_DIR_SIZE_OFF = 12, kEND_DIR_SIZE_LEN = 4,
kEND_DIR_OFFSET_OFF = 16, kEND_DIR_OFFSET_LEN = 4,
kEND_COMMENTLEN_OFF = 20, kEND_COMMENTLEN_LEN = 2,
kEND_HEADER_SIZE = 22,
// - Offsets into the local entry headers
kENTRY_MAGIC_OFF = 0,
kENTRY_VREQD_OFF = 4, kENTRY_VREQD_LEN = 2,
kENTRY_FLAG_OFF = 6, kENTRY_FLAG_LEN = 2,
kENTRY_METHOD_OFF = 8, kENTRY_METHOD_LEN = 2,
kENTRY_DATE_OFF = 10, kENTRY_DATE_LEN = 4,
kENTRY_CRC32_OFF = 14, kENTRY_CRC32_LEN = 4,
kENTRY_CSIZE_OFF = 18, kENTRY_CSIZE_LEN = 4,
kENTRY_USIZE_OFF = 22, kENTRY_USIZE_LEN = 4,
kENTRY_NAMELEN_OFF = 26, kENTRY_NAMELEN_LEN = 2,
kENTRY_EXTRALEN_OFF = 28, kENTRY_EXTRALEN_LEN = 2,
kENTRY_HEADER_SIZE = 30,
// - Offsets into the Zip64 Extended Information Extra Field
kZIP64_EXTENDED_MAGIC_OFF = 0, kZIP64_EXTENDED_MAGIC_LEN = 2,
kZIP64_EXTENDED_SIZE_OFF = 2, kZIP64_EXTENDED_SIZE_LEN = 2,
kZIP64_EXTENDED_USIZE_OFF = 4, kZIP64_EXTENDED_USIZE_LEN = 8,
kZIP64_EXTENTED_CSIZE_OFF = 12, kZIP64_EXTENDED_CSIZE_LEN = 8,
kZIP64_EXTENDED_HDR_OFFSET_OFF = 20, kZIP64_EXTENDED_HDR_OFFSET_LEN = 8,
kZIP64_EXTENDED_DISK_OFF = 28, kZIP64_EXTENDED_DISK_LEN = 4,
kZIP64_EXTENDED_SIZE = 32,
// - Compression method and strategy
kSTORED = 0, // Stored as is
kDEFLATED = 8 // Stored using deflate
};
TZIPFile(const TZIPFile&); // Not implemented
TZIPFile& operator=(const TZIPFile&); // Not implemented
public:
TZIPFile();
TZIPFile(const char *archive, const char *member, TFile *file);
virtual ~TZIPFile() { }
virtual Int_t OpenArchive();
virtual Int_t SetCurrentMember();
void Print(Option_t *option = "") const;
ClassDef(TZIPFile,1) //A ZIP archive file
};
//////////////////////////////////////////////////////////////////////////
// //
// TZIPMember //
// //
// A ZIP archive consists of files compressed with the popular ZLIB //
// compression algorithm; this class records the information about a //
// single archive member. //
// //
//////////////////////////////////////////////////////////////////////////
class TZIPMember : public TArchiveMember {
friend class TZIPFile;
private:
void *fLocal; // Extra file header data
UInt_t fLocalLen; // Length of extra file header data
void *fGlobal; // Extra directory data
UInt_t fGlobalLen; // Length of extra directory data
UInt_t fCRC32; // CRC-32 for all decompressed data
UInt_t fAttrInt; // Internal file attributes
UInt_t fAttrExt; // External file attributes
UInt_t fMethod; // Compression type
UInt_t fLevel; // Compression level
public:
TZIPMember();
TZIPMember(const char *name);
TZIPMember(const TZIPMember &member);
TZIPMember &operator=(const TZIPMember &rhs);
virtual ~TZIPMember();
void *GetLocal() const { return fLocal; }
UInt_t GetLocalLen() const { return fLocalLen; }
void *GetGlobal() const { return fGlobal; }
UInt_t GetGlobalLen() const { return fGlobalLen; }
UInt_t GetCRC32() const { return fCRC32; }
UInt_t GetAttrInt() const { return fAttrInt; }
UInt_t GetAttrExt() const { return fAttrExt; }
UInt_t GetMethod() const { return fMethod; }
UInt_t GetLevel() const { return fLevel; }
void Print(Option_t *option = "") const;
ClassDef(TZIPMember,2) //A ZIP archive member file
};
#endif
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