Fix buffer overflow in debListParser::VersionHash()

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

diff --git a/apt-pkg/policy.h b/apt-pkg/policy.h
index 149782b25d2337220809269736666bc49a22dd7f..04747c5a1d4dfe61d611d5d9e42ec0423309423c 100644 (file)
--- a/apt-pkg/policy.h
+++ b/apt-pkg/policy.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: policy.h,v 1.3 2001/04/29 05:13:51 jgg Exp $
 /* ######################################################################
 
    Package Version Policy implementation
@@ -33,57 +32,66 @@
 #ifndef PKGLIB_POLICY_H
 #define PKGLIB_POLICY_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/policy.h"
-#endif
-
 #include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/versionmatch.h>
+
 #include <vector>
+#include <string>
+
+#ifndef APT_8_CLEANER_HEADERS
+using std::vector;
+#endif
 
 class pkgPolicy : public pkgDepCache::Policy
 {
+   protected:
+
    struct Pin
    {
       pkgVersionMatch::MatchType Type;
-      string Data;
+      std::string Data;
       signed short Priority;
       Pin() : Type(pkgVersionMatch::None), Priority(0) {};
    };
 
    struct PkgPin : Pin
    {
-      string Pkg;
+      std::string Pkg;
+      explicit PkgPin(std::string const &Pkg) : Pin(), Pkg(Pkg) {};
    };
    
-   protected:
-   
    Pin *Pins;
+   Pin *VerPins;
    signed short *PFPriority;
-   vector<Pin> Defaults;
-   vector<PkgPin> Unmatched;
+   std::vector<Pin> Defaults;
+   std::vector<PkgPin> Unmatched;
    pkgCache *Cache;
    bool StatusOverride;
    
    public:
 
    // Things for manipulating pins
-   void CreatePin(pkgVersionMatch::MatchType Type,string Pkg,
-                 string Data,signed short Priority);
-   inline signed short GetPriority(pkgCache::PkgFileIterator const &File) 
-       {return PFPriority[File->ID];};
-   signed short GetPriority(pkgCache::PkgIterator const &Pkg);
-   pkgCache::VerIterator GetMatch(pkgCache::PkgIterator Pkg);
+   void CreatePin(pkgVersionMatch::MatchType Type,std::string Pkg,
+                 std::string Data,signed short Priority);
+   pkgCache::VerIterator GetMatch(pkgCache::PkgIterator const &Pkg);
 
    // Things for the cache interface.
-   virtual pkgCache::VerIterator GetCandidateVer(pkgCache::PkgIterator Pkg);
-   virtual bool IsImportantDep(pkgCache::DepIterator Dep) {return pkgDepCache::Policy::IsImportantDep(Dep);};
+   virtual pkgCache::VerIterator GetCandidateVer(pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+   virtual signed short GetPriority(pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+   virtual signed short GetPriority(pkgCache::VerIterator const &Ver, bool ConsiderFiles = true) APT_OVERRIDE;
+   virtual signed short GetPriority(pkgCache::PkgFileIterator const &File) APT_OVERRIDE;
+
    bool InitDefaults();
    
-   pkgPolicy(pkgCache *Owner);
-   virtual ~pkgPolicy() {delete [] PFPriority; delete [] Pins;};
+   explicit pkgPolicy(pkgCache *Owner);
+   virtual ~pkgPolicy();
+   private:
+   void * const d;
 };
 
-bool ReadPinFile(pkgPolicy &Plcy,string File = "");
+bool ReadPinFile(pkgPolicy &Plcy, std::string File = "");
+bool ReadPinDir(pkgPolicy &Plcy, std::string Dir = "");
 
 #endif