implement a public pkgSystem::MultiArchSupported

[apt.git] / apt-pkg / policy.cc

diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index a1e903178a65ea831df6aae9d3901be4958765ec..bea4bec894d1a7befea9796e8c96c1bbf8340864 100644 (file)
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -409,7 +409,8 @@ bool ReadPinDir(pkgPolicy &Plcy,string Dir)
 
    if (DirectoryExists(Dir) == false)
    {
-      _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
+      if (Dir != "/dev/null")
+        _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str());
       return true;
    }
 
@@ -438,7 +439,7 @@ bool ReadPinFile(pkgPolicy &Plcy,string File)
    
    FileFd Fd(File,FileFd::ReadOnly);
    pkgTagFile TF(&Fd);
-   if (_error->PendingError() == true)
+   if (Fd.IsOpen() == false || Fd.Failed())
       return false;
 
    pkgUserTagSection Tags;
@@ -477,10 +478,13 @@ bool ReadPinFile(pkgPolicy &Plcy,string File)
       }
       for (; Word != End && isspace(*Word) != 0; Word++);
 
-      int priority = Tags.FindI("Pin-Priority", 0);
+      _error->PushToStack();
+      int const priority = Tags.FindI("Pin-Priority", 0);
+      bool const newError = _error->PendingError();
+      _error->MergeWithStack();
       if (priority < std::numeric_limits<short>::min() ||
           priority > std::numeric_limits<short>::max() ||
-         _error->PendingError()) {
+         newError) {
         return _error->Error(_("%s: Value %s is outside the range of valid pin priorities (%d to %d)"),
                              File.c_str(), Tags.FindS("Pin-Priority").c_str(),
                              std::numeric_limits<short>::min(),