do not modify DepIterator as we might check again

[ntk/apt.git] / apt-pkg / packagemanager.cc

diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index b893275..310934c 100644 (file)
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -420,11 +420,14 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
    do
    {
       Changed = false;
-      for (std::list<DepIterator>::iterator D = needConfigure.begin(); D != needConfigure.end(); ++D)
+      for (std::list<DepIterator>::const_iterator D = needConfigure.begin(); D != needConfigure.end(); ++D)
       {
-        // Compute a single dependency element (glob or)
+        // Compute a single dependency element (glob or) without modifying D
         pkgCache::DepIterator Start, End;
-        D->GlobOr(Start,End);
+        {
+           pkgCache::DepIterator Discard = *D;
+           Discard.GlobOr(Start,End);
+        }
 
         if (End->Type != pkgCache::Dep::Depends)
            continue;
@@ -483,9 +486,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
          }
 
 
-
         if (Bad == true && Changed == false && Debug == true)
-           std::clog << OutputInDepth(Depth) << "Could not satisfy " << Start << std::endl;
+           std::clog << OutputInDepth(Depth) << "Could not satisfy " << *D << std::endl;
       }
       if (i++ > max_loops)
          return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (2) for %s, aborting", Pkg.FullName().c_str());