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41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
/* this headerfile contains global constant variables needed during parsing of a tar file
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*
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* by Marcel Nowicki (github@epenis.de | github.com/blindi0815)
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*/
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#ifndef TARSTATS___TARCONST_H
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#define TARSTATS___TARCONST_H
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#include <string>
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#include <utility>
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namespace tarconstant {
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// global itemtype definition
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inline std::string const typeFile = "FILES";
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inline std::string const typeDir = "DIRECTORIES";
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inline std::string const typeSym = "SYMLINKS";
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inline std::string const typeHard = "HARDLINKS";
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inline std::string const typeOther = "OTHER";
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// valid magicfield
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inline std::string const mgcfield = "ustar";
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// Byte offsets
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inline uint16_t blocksize = 512; // tar consists of continuous 512 Byte data blocks
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inline uint8_t itemtypeByte = 156;
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inline std::pair<uint16_t, uint8_t> mgcfieldByte {257,6}; // { offset , length }
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inline std::pair<uint8_t , uint8_t> itemoctlnByte {124,11}; // at offset 124 because first byte
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// marks octal or base256 coding
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inline std::string helptext
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{"usage: tarstats-pp [-h] [-j] [-f] tarfile.\n"
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"A tool to calculate basics statistics on tarball. Shamelessly inspired by github.com/isotopp/tarstats!\n\n"
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"mandatory argument:\n"
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"tarfile a tarfile to calculate stats on\n\n"
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"optional arguments\n"
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"-h this helptext\n"
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"-j stats in JSON format printed to stdout\n"
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"-f print stats to file <tarfilename>.txt or .json if -j invoked"};
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}
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#endif //TARSTATS___TARCONST_H
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