From dfe2511e31f232a8a8880eba40af40d1deb0e49c Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <julian.klode@canonical.com>
Date: Mon, 6 May 2019 11:40:08 +0200
Subject: Merge libapt-inst into libapt-pkg

---
 apt-pkg/contrib/arfile.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 apt-pkg/contrib/arfile.h

(limited to 'apt-pkg/contrib/arfile.h')

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
-- 
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