X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/98cc7fd2c1d397623960baf69ae3cec04a87a23e..bc7a59dded57338e9b5e523726b246dbdd4e0935:/apt-pkg/policy.cc

diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 4711372bc..d442e5c90 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -22,7 +22,6 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/sptr.h>
 #include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/versionmatch.h>
@@ -223,8 +222,8 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
 
    return Pref;
 }
-
-// Policy::GetCandidateVer - Get the candidate install version		/*{{{*/
+									/*}}}*/
+// Policy::GetCandidateVerNew - Get the candidate install version	/*{{{*/
 // ---------------------------------------------------------------------
 /* Evaluate the package pins and the default list to deteremine what the
    best package is. */
@@ -236,16 +235,16 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVerNew(pkgCache::PkgIterator const
    int candPriority = -1;
    pkgVersioningSystem *vs = Cache->VS;
 
-   for (pkgCache::VerIterator ver = Pkg.VersionList(); ver.end() == false; ver++) {
-      int priority = GetPriority(ver);
+   for (pkgCache::VerIterator ver = Pkg.VersionList(); ver.end() == false; ++ver) {
+      int priority = GetPriority(ver, true);
 
-	 if (priority == 0 || priority <= candPriority)
-	    continue;
+      if (priority == 0 || priority <= candPriority)
+	 continue;
 
-	 // TODO: Maybe optimize to not compare versions
-	 if (!cur.end() && priority < 1000
-	    && (vs->CmpVersion(ver.VerStr(), cur.VerStr()) < 0))
-	    continue;
+      // TODO: Maybe optimize to not compare versions
+      if (!cur.end() && priority < 1000
+	  && (vs->CmpVersion(ver.VerStr(), cur.VerStr()) < 0))
+	 continue;
 
       candPriority = priority;
       cand = ver;
@@ -323,7 +322,7 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
 
 	 // Find matching version(s) and copy the pin into it
 	 pkgVersionMatch Match(P->Data,P->Type);
-	 for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() != true; Ver++)
+	 for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() != true; ++Ver)
 	 {
 	    if (Match.VersionMatches(Ver)) {
 	       Pin *VP = VerPins + Ver->ID;
@@ -368,11 +367,11 @@ APT_PURE signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg)
       return Pins[Pkg->ID].Priority;
    return 0;
 }
-APT_PURE signed short pkgPolicy::GetPriority(pkgCache::VerIterator const &Ver, bool considerFiles)
+APT_PURE signed short pkgPolicy::GetPriority(pkgCache::VerIterator const &Ver, bool ConsiderFiles)
 {
    if (VerPins[Ver->ID].Type != pkgVersionMatch::None)
       return VerPins[Ver->ID].Priority;
-   if (!considerFiles)
+   if (!ConsiderFiles)
       return 0;
 
    int priority = std::numeric_limits<int>::min();
@@ -410,7 +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;
    }
 
@@ -439,7 +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;
@@ -478,10 +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(),