merge patch from Daniel Hartwig to Show a error message if {,dist-}upgrade is used...

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

diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h
index 643f240b0da6071456c1827e675736d5356e2000..565ee657c98ea5cc6f74baac9237e8355f950297 100644 (file)
--- a/apt-pkg/pkgcache.h
+++ b/apt-pkg/pkgcache.h
@@ -74,13 +74,14 @@
 #ifndef PKGLIB_PKGCACHE_H
 #define PKGLIB_PKGCACHE_H
 
-
 #include <string>
 #include <time.h>
 #include <apt-pkg/mmap.h>
 
+#ifndef APT_8_CLEANER_HEADERS
 using std::string;
-    
+#endif
+
 class pkgVersioningSystem;
 class pkgCache                                                         /*{{{*/
 {
@@ -135,7 +136,7 @@ class pkgCache                                                              /*{{{*/
       /** \brief priority of a package version
 
           Zero is used for unparsable or absent Priority fields. */
-      enum VerPriority {Important=1,Required=2,Standard=3,Optional=4,Extra=5};
+      enum VerPriority {Required=1,Important=2,Standard=3,Optional=4,Extra=5};
       enum PkgSelectedState {Unknown=0,Install=1,Hold=2,DeInstall=3,Purge=4};
       enum PkgInstState {Ok=0,ReInstReq=1,HoldInst=2,HoldReInstReq=3};
       enum PkgCurrentState {NotInstalled=0,UnPacked=1,HalfConfigured=2,
@@ -146,16 +147,16 @@ class pkgCache                                                            /*{{{*/
    struct Flag
    {
       enum PkgFlags {Auto=(1<<0),Essential=(1<<3),Important=(1<<4)};
-      enum PkgFFlags {NotSource=(1<<0),NotAutomatic=(1<<1)};
+      enum PkgFFlags {NotSource=(1<<0),NotAutomatic=(1<<1),ButAutomaticUpgrades=(1<<2)};
    };
    
    protected:
    
    // Memory mapped cache file
-   string CacheFile;
+   std::string CacheFile;
    MMap &Map;
 
-   unsigned long sHash(const string &S) const;
+   unsigned long sHash(const std::string &S) const;
    unsigned long sHash(const char *S) const;
    
    public:
@@ -174,22 +175,22 @@ class pkgCache                                                            /*{{{*/
    StringItem *StringItemP;
    char *StrP;
 
-   virtual bool ReMap();
+   virtual bool ReMap(bool const &Errorchecks = true);
    inline bool Sync() {return Map.Sync();};
    inline MMap &GetMap() {return Map;};
    inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();};
       
    // String hashing function (512 range)
-   inline unsigned long Hash(const string &S) const {return sHash(S);};
+   inline unsigned long Hash(const std::string &S) const {return sHash(S);};
    inline unsigned long Hash(const char *S) const {return sHash(S);};
 
    // Useful transformation things
    const char *Priority(unsigned char Priority);
    
    // Accessors
-   GrpIterator FindGrp(const string &Name);
-   PkgIterator FindPkg(const string &Name);
-   PkgIterator FindPkg(const string &Name, const string &Arch);
+   GrpIterator FindGrp(const std::string &Name);
+   PkgIterator FindPkg(const std::string &Name);
+   PkgIterator FindPkg(const std::string &Name, const std::string &Arch);
 
    Header &Head() {return *HeaderP;};
    inline GrpIterator GrpBegin();
@@ -200,6 +201,7 @@ class pkgCache                                                              /*{{{*/
    inline PkgFileIterator FileEnd();
 
    inline bool MultiArchCache() const { return MultiArchEnabled; };
+   inline char const * const NativeArch() const;
 
    // Make me a function
    pkgVersioningSystem *VS;
@@ -214,7 +216,7 @@ class pkgCache                                                              /*{{{*/
 
 private:
    bool MultiArchEnabled;
-   PkgIterator SingleArchFindPkg(const string &Name);
+   PkgIterator SingleArchFindPkg(const std::string &Name);
 };
                                                                        /*}}}*/
 // Header structure                                                    /*{{{*/
@@ -313,6 +315,9 @@ struct pkgCache::Header
    map_ptrloc PkgHashTable[2*1048];
    map_ptrloc GrpHashTable[2*1048];
 
+   /** \brief Size of the complete cache file */
+   unsigned long  CacheFileSize;
+
    bool CheckSizes(Header &Against) const;
    Header();
 };
@@ -499,15 +504,20 @@ struct pkgCache::Version
    map_ptrloc VerStr;            // StringItem
    /** \brief section this version is filled in */
    map_ptrloc Section;           // StringItem
+
+   /** \brief Multi-Arch capabilities of a package version */
+   enum VerMultiArch { None = 0, /*!< is the default and doesn't trigger special behaviour */
+                      All = (1<<0), /*!< will cause that Ver.Arch() will report "all" */
+                      Foreign = (1<<1), /*!< can satisfy dependencies in another architecture */
+                      Same = (1<<2), /*!< can be co-installed with itself from other architectures */
+                      Allowed = (1<<3), /*!< other packages are allowed to depend on thispkg:any */
+                      AllForeign = All | Foreign,
+                      AllAllowed = All | Allowed };
    /** \brief stores the MultiArch capabilities of this version
 
-       None is the default and doesn't trigger special behaviour,
-       Foreign means that this version can fulfill dependencies even
-       if it is built for another architecture as the requester.
-       Same indicates that builds for different architectures can
-       be co-installed on the system and All is the marker for a
-       version with the Architecture: all. */
-   enum {None, All, Foreign, Same, Allowed} MultiArch;
+       Flags used are defined in pkgCache::Version::VerMultiArch
+   */
+   unsigned char MultiArch;
 
    /** \brief references all the PackageFile's that this version came from
 
@@ -532,9 +542,9 @@ struct pkgCache::Version
    /** \brief archive size for this version
 
        For Debian this is the size of the .deb file. */
-   map_ptrloc Size;              // These are the .deb size
+   unsigned long long Size;      // These are the .deb size
    /** \brief uncompressed size for this version */
-   map_ptrloc InstalledSize;
+   unsigned long long InstalledSize;
    /** \brief characteristic value representing this version
 
        No two packages in existence should have the same VerStr
@@ -649,6 +659,11 @@ struct pkgCache::StringItem
    map_ptrloc NextItem;      // StringItem
 };
                                                                        /*}}}*/
+
+
+inline char const * const pkgCache::NativeArch() const
+       { return StrP + HeaderP->Architecture; };
+
 #include <apt-pkg/cacheiterators.h>
 
 inline pkgCache::GrpIterator pkgCache::GrpBegin()