2 files changed, 22 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 49b2f3828..2a3b8a87d 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -700,6 +700,24 @@ bool FileFd::Open(string FileName,OpenMode Mode, unsigned long Perms)
    SetCloseExec(iFd,true);
    return true;
 }
+
+bool FileFd::OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose)
+{
+   Close();
+   Flags = (AutoClose) ? FileFd::AutoClose : 0;
+   iFd = Fd;
+   if (Mode == ReadOnlyGzip) {
+      gz = gzdopen (iFd, "r");
+      if (gz == NULL) {
+	 if (AutoClose)
+	    close (iFd);
+	 return _error->Errno("gzdopen",_("Could not open file descriptor %d"),
+			      Fd);
+      }
+   }
+   this->FileName = "";
+   return true;
+}
 									/*}}}*/
 // FileFd::~File - Closes the file					/*{{{*/
 // ---------------------------------------------------------------------
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 0f70ab722..62705478d 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -28,6 +28,9 @@
 
 #include <zlib.h>
 
+/* Define this for python-apt */
+#define APT_HAS_GZIP 1
+
 using std::string;
 
 class FileFd
@@ -60,6 +63,7 @@ class FileFd
    unsigned long Tell();
    unsigned long Size();
    bool Open(string FileName,OpenMode Mode,unsigned long Perms = 0666);
+   bool OpenDescriptor(int Fd, OpenMode Mode, bool AutoClose=false);
    bool Close();
    bool Sync();