for filesystems not supporting mmap'ing a file we need to use a

SyncToFd dummy just as we did for compressed files in 0.9.5

diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index aaa9da4..3e6ef35 100644 (file)
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -102,6 +102,7 @@ bool MMap::Map(FileFd &Fd)
         {
            // for readonly, we don't need sync, so make it simple
            Base = malloc(iSize);
+           SyncToFd = new FileFd();
            return Fd.Read(Base, iSize);
         }
         // FIXME: Writing to compressed fd's ?

diff --git a/debian/changelog b/debian/changelog
index 25f658f..eb3c39e 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -18,6 +18,8 @@ apt (0.9.7.3) UNRELEASED; urgency=low
       second (filebased) constructor of DynamicMMap (Closes: #677704)
     - refer to APT::Cache-Start in case the growing failed as if -Limit is
       really the offender it will be noted in a previous error message.
+    - for filesystems not supporting mmap'ing a file we need to use a
+      SyncToFd dummy just as we did for compressed files in 0.9.5
 
  -- David Kalnischkies <kalnischkies@gmail.com>  Wed, 18 Jul 2012 11:45:57 +0200