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author | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 13:42:03 +0200 |
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committer | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 13:42:03 +0200 |
commit | db36c35a351a76825ae00628b74c160bc418683c (patch) | |
tree | b0f31e19e45775f9a0880c0d4801e87077696036 /apt-pkg/contrib/extracttar.h | |
parent | 7f0508ecc442705ac9fcbc3c2b5ac74ead18fff8 (diff) | |
parent | 6089a4b17c61ef30b2efc00e270b0907f51f352a (diff) |
Merge branch 'pu/merge-libraries'
Diffstat (limited to 'apt-pkg/contrib/extracttar.h')
-rw-r--r-- | apt-pkg/contrib/extracttar.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/apt-pkg/contrib/extracttar.h b/apt-pkg/contrib/extracttar.h new file mode 100644 index 000000000..adde21352 --- /dev/null +++ b/apt-pkg/contrib/extracttar.h @@ -0,0 +1,60 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + Extract a Tar - Tar Extractor + + The tar extractor takes an ordinary gzip compressed tar stream from + the given file and explodes it, passing the individual items to the + given Directory Stream for processing. + + ##################################################################### */ + /*}}}*/ +#ifndef PKGLIB_EXTRACTTAR_H +#define PKGLIB_EXTRACTTAR_H + +#include <apt-pkg/fileutl.h> +#include <apt-pkg/macros.h> + +#include <string> + +#ifndef APT_8_CLEANER_HEADERS +#include <apt-pkg/dirstream.h> +#include <algorithm> +using std::min; +#endif + +class pkgDirStream; + +class ExtractTar +{ + protected: + + struct TarHeader; + + // The varios types items can be + enum ItemType {NormalFile0 = '\0',NormalFile = '0',HardLink = '1', + SymbolicLink = '2',CharacterDevice = '3', + BlockDevice = '4',Directory = '5',FIFO = '6', + GNU_LongLink = 'K',GNU_LongName = 'L'}; + + FileFd &File; + unsigned long long MaxInSize; + int GZPid; + FileFd InFd; + bool Eof; + std::string DecompressProg; + + // Fork and reap gzip + bool StartGzip(); + bool Done(); + + public: + + bool Go(pkgDirStream &Stream); + + ExtractTar(FileFd &Fd,unsigned long long Max,std::string DecompressionProgram); + virtual ~ExtractTar(); +}; + +#endif |