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author | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 11:40:08 +0200 |
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committer | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 12:14:04 +0200 |
commit | dfe2511e31f232a8a8880eba40af40d1deb0e49c (patch) | |
tree | c671a2bf5cdb255781548cf9c7a7686fb94d9bf5 /apt-pkg/contrib/arfile.h | |
parent | d03105d9fd5af76067f033475d4d60d30063e96a (diff) |
Merge libapt-inst into libapt-pkg
Diffstat (limited to 'apt-pkg/contrib/arfile.h')
-rw-r--r-- | apt-pkg/contrib/arfile.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/apt-pkg/contrib/arfile.h b/apt-pkg/contrib/arfile.h new file mode 100644 index 000000000..cf454941e --- /dev/null +++ b/apt-pkg/contrib/arfile.h @@ -0,0 +1,69 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + AR File - Handle an 'AR' archive + + This is a reader for the usual 4.4 BSD AR format. It allows raw + stream access to a single member at a time. Basically all this class + provides is header parsing and verification. It is up to the client + to correctly make use of the stream start/stop points. + + ##################################################################### */ + /*}}}*/ +#ifndef PKGLIB_ARFILE_H +#define PKGLIB_ARFILE_H + +#include <apt-pkg/macros.h> +#include <string> +#ifndef APT_8_CLEANER_HEADERS +#include <apt-pkg/fileutl.h> +#endif + +class FileFd; + +class ARArchive +{ + struct MemberHeader; + public: + struct Member; + + protected: + + // Linked list of members + Member *List; + + bool LoadHeaders(); + + public: + + // The stream file + FileFd &File; + + // Locate a member by name + const Member *FindMember(const char *Name) const; + inline Member *Members() { return List; } + + explicit ARArchive(FileFd &File); + ~ARArchive(); +}; + +// A member of the archive +struct ARArchive::Member +{ + // Fields from the header + std::string Name; + unsigned long MTime; + unsigned long UID; + unsigned long GID; + unsigned long Mode; + unsigned long long Size; + + // Location of the data. + unsigned long long Start; + Member *Next; + + Member() : Start(0), Next(0) {}; +}; + +#endif |