7 files changed, 8 insertions, 11 deletions
diff --git a/apt-private/acqprogress.cc b/apt-private/acqprogress.cc
index dcc538a39..a33d51c71 100644
--- a/apt-private/acqprogress.cc
+++ b/apt-private/acqprogress.cc
@@ -176,8 +176,6 @@ bool AcqTextStatus::Pulse(pkgAcquire *Owner)
    if (Quiet > 0)
       return true;
 
-   enum {Long = 0,Medium,Short} Mode = Medium;
-
    std::string Line;
    {
       std::stringstream S;
@@ -203,6 +201,7 @@ bool AcqTextStatus::Pulse(pkgAcquire *Owner)
 	 if (I->CurrentItem->Owner->ActiveSubprocess.empty() == false)
 	    S << " " << I->CurrentItem->Owner->ActiveSubprocess;
 
+	 enum {Long = 0,Medium,Short} Mode = Medium;
 	 // Add the current progress
 	 if (Mode == Long)
 	    S << " " << I->CurrentSize;
diff --git a/apt-private/private-cachefile.h b/apt-private/private-cachefile.h
index 51703b0ad..27642e025 100644
--- a/apt-private/private-cachefile.h
+++ b/apt-private/private-cachefile.h
@@ -46,7 +46,7 @@ class SortedPackageUniverse : public APT::PackageUniverse
    void LazyInit() const;
 
 public:
-   SortedPackageUniverse(CacheFile &Cache);
+   explicit SortedPackageUniverse(CacheFile &Cache);
 
    class const_iterator : public APT::Container_iterator_base<APT::PackageContainerInterface, SortedPackageUniverse, SortedPackageUniverse::const_iterator, std::vector<map_pointer_t>::const_iterator, pkgCache::PkgIterator>
    {
diff --git a/apt-private/private-cacheset.cc b/apt-private/private-cacheset.cc
index 439b844d5..981766cdf 100644
--- a/apt-private/private-cacheset.cc
+++ b/apt-private/private-cacheset.cc
@@ -179,8 +179,8 @@ CacheSetHelperVirtuals::CacheSetHelperVirtuals(bool const ShowErrors, GlobalErro
 									/*}}}*/
 
 // CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/
-CacheSetHelperAPTGet::CacheSetHelperAPTGet(std::ostream &out) :
-   APT::CacheSetHelper{true}, out(out)
+CacheSetHelperAPTGet::CacheSetHelperAPTGet(std::ostream &pout) :
+   APT::CacheSetHelper{true}, out(pout)
 {
    explicitlyNamed = true;
 }
@@ -245,8 +245,6 @@ bool CacheSetHelperAPTGet::showVirtualPackageErrors(pkgCacheFile &Cache)
 		  "This may mean that the package is missing, has been obsoleted, or\n"
 		  "is only available from another source\n"),Pkg.FullName(true).c_str());
 
-	 std::string List;
-	 std::string VersionsList;
 	 std::vector<bool> Seen(Cache.GetPkgCache()->Head().PackageCount, false);
 	 APT::PackageList pkglist;
 	 for (pkgCache::DepIterator Dep = Pkg.RevDependsList();
diff --git a/apt-private/private-cacheset.h b/apt-private/private-cacheset.h
index 2b452ab7d..4cbc4efa1 100644
--- a/apt-private/private-cacheset.h
+++ b/apt-private/private-cacheset.h
@@ -89,7 +89,7 @@ class APT_PUBLIC CacheSetHelperAPTGet : public APT::CacheSetHelper {
 public:
 	std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease;
 
-	CacheSetHelperAPTGet(std::ostream &out);
+	explicit CacheSetHelperAPTGet(std::ostream &out);
 
 	virtual void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
         virtual void showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
diff --git a/apt-private/private-install.cc b/apt-private/private-install.cc
index 52572ed80..74a2424c5 100644
--- a/apt-private/private-install.cc
+++ b/apt-private/private-install.cc
@@ -666,7 +666,7 @@ struct PkgIsExtraInstalled {
    pkgCacheFile * const Cache;
    APT::VersionSet const * const verset;
    PkgIsExtraInstalled(pkgCacheFile * const Cache, APT::VersionSet const * const Container) : Cache(Cache), verset(Container) {}
-   bool operator() (pkgCache::PkgIterator const Pkg)
+   bool operator() (pkgCache::PkgIterator const &Pkg)
    {
         if ((*Cache)[Pkg].Install() == false)
            return false;
diff --git a/apt-private/private-list.cc b/apt-private/private-list.cc
index c4d5e8bc3..a948c7d9f 100644
--- a/apt-private/private-list.cc
+++ b/apt-private/private-list.cc
@@ -41,7 +41,7 @@ struct PackageSortAlphabetic						/*{{{*/
 class PackageNameMatcher : public Matcher
 {
   public:
-   PackageNameMatcher(const char **patterns)
+   explicit PackageNameMatcher(const char **patterns)
    {
       for(int i=0; patterns[i] != NULL; ++i)
       {
diff --git a/apt-private/private-show.cc b/apt-private/private-show.cc
index aaa4268c6..34214d955 100644
--- a/apt-private/private-show.cc
+++ b/apt-private/private-show.cc
@@ -396,7 +396,7 @@ bool Policy(CommandLine &CmdL)
 	    continue;
 	 }
 	 // New code
-	 for (pkgCache::VerIterator V = I.VersionList(); !V.end(); V++) {
+	 for (pkgCache::VerIterator V = I.VersionList(); !V.end(); ++V) {
 	    auto Prio = Plcy->GetPriority(V, false);
 	    if (Prio == 0)
 	       continue;