eliminate (hopefully all) segfaults in pkgcachegen.cc and mmap.cc

[apt.git] / cmdline / apt-cache.cc

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 1933f60c640343275a9a015cb3bf340903adee49..57da9426f6f12b41ef0814655d0a4a7165afb82b 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: apt-cache.cc,v 1.68 2003/11/19 23:50:51 mdz Exp $
+// $Id: apt-cache.cc,v 1.72 2004/04/30 04:34:03 mdz Exp $

 /* ######################################################################
    
    apt-cache - Manages the cache files
 /* ######################################################################
    
    apt-cache - Manages the cache files


@@ -37,6 +37,8 @@
 #include <errno.h>
 #include <regex.h>
 #include <stdio.h>
 #include <errno.h>
 #include <regex.h>
 #include <stdio.h>

+
+#include <iomanip>

                                                                        /*}}}*/
 
 using namespace std;
                                                                        /*}}}*/
 
 using namespace std;


@@ -69,6 +71,12 @@ void LocalitySort(pkgCache::VerFile **begin,
 {   
    qsort(begin,Count,Size,LocalityCompare);
 }
 {   
    qsort(begin,Count,Size,LocalityCompare);
 }

+
+void LocalitySort(pkgCache::DescFile **begin,
+                 unsigned long Count,size_t Size)
+{   
+   qsort(begin,Count,Size,LocalityCompare);
+}

                                                                        /*}}}*/
 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // UnMet - Show unmet dependencies                                     /*{{{*/
 // ---------------------------------------------------------------------


@@ -94,13 +102,15 @@ bool UnMet(CommandLine &CmdL)
            if (End->Type != pkgCache::Dep::PreDepends &&
                End->Type != pkgCache::Dep::Depends && 
                End->Type != pkgCache::Dep::Suggests &&
            if (End->Type != pkgCache::Dep::PreDepends &&
                End->Type != pkgCache::Dep::Depends && 
                End->Type != pkgCache::Dep::Suggests &&

-               End->Type != pkgCache::Dep::Recommends)
+               End->Type != pkgCache::Dep::Recommends &&
+               End->Type != pkgCache::Dep::DpkgBreaks)

               continue;
 
            // Important deps only
            if (Important == true)
               if (End->Type != pkgCache::Dep::PreDepends &&
               continue;
 
            // Important deps only
            if (Important == true)
               if (End->Type != pkgCache::Dep::PreDepends &&

-                  End->Type != pkgCache::Dep::Depends)
+                  End->Type != pkgCache::Dep::Depends &&
+                  End->Type != pkgCache::Dep::DpkgBreaks)

                  continue;
            
            // Verify the or group
                  continue;
            
            // Verify the or group


@@ -180,7 +190,14 @@ bool DumpPackage(CommandLine &CmdL)
       {
         cout << Cur.VerStr();
         for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)
       {
         cout << Cur.VerStr();
         for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)

-           cout << "(" << Vf.File().FileName() << ")";
+           cout << " (" << Vf.File().FileName() << ")";
+        cout << endl;
+        for (pkgCache::DescIterator D = Cur.DescriptionList(); D.end() == false; D++)
+        {
+           cout << " Description Language: " << D.LanguageCode() << endl
+                << "                 File: " << D.FileList().File().FileName() << endl
+                << "                  MD5: " << D.md5() << endl;
+        }

         cout << endl;
       }
       
         cout << endl;
       }
       


@@ -227,7 +244,7 @@ bool DumpPackage(CommandLine &CmdL)
 bool Stats(CommandLine &Cmd)
 {
    pkgCache &Cache = *GCache;
 bool Stats(CommandLine &Cmd)
 {
    pkgCache &Cache = *GCache;

-   cout << _("Total Package Names : ") << Cache.Head().PackageCount << " (" <<
+   cout << _("Total package names: ") << Cache.Head().PackageCount << " (" <<

       SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
 
    int Normal = 0;
       SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
 
    int Normal = 0;


@@ -267,20 +284,24 @@ bool Stats(CommandLine &Cmd)
         continue;
       }
    }
         continue;
       }
    }

-   cout << _("  Normal Packages: ") << Normal << endl;
-   cout << _("  Pure Virtual Packages: ") << Virtual << endl;
-   cout << _("  Single Virtual Packages: ") << DVirt << endl;
-   cout << _("  Mixed Virtual Packages: ") << NVirt << endl;
+   cout << _("  Normal packages: ") << Normal << endl;
+   cout << _("  Pure virtual packages: ") << Virtual << endl;
+   cout << _("  Single virtual packages: ") << DVirt << endl;
+   cout << _("  Mixed virtual packages: ") << NVirt << endl;

    cout << _("  Missing: ") << Missing << endl;
    
    cout << _("  Missing: ") << Missing << endl;
    

-   cout << _("Total Distinct Versions: ") << Cache.Head().VersionCount << " (" <<
+   cout << _("Total distinct versions: ") << Cache.Head().VersionCount << " (" <<

       SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;
       SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;

-   cout << _("Total Dependencies: ") << Cache.Head().DependsCount << " (" << 
+   cout << _("Total distinct descriptions: ") << Cache.Head().DescriptionCount << " (" <<
+      SizeToStr(Cache.Head().DescriptionCount*Cache.Head().DescriptionSz) << ')' << endl;
+   cout << _("Total dependencies: ") << Cache.Head().DependsCount << " (" << 

       SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
    
       SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
    

-   cout << _("Total Ver/File relations: ") << Cache.Head().VerFileCount << " (" <<
+   cout << _("Total ver/file relations: ") << Cache.Head().VerFileCount << " (" <<

       SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl;
       SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl;

-   cout << _("Total Provides Mappings: ") << Cache.Head().ProvidesCount << " (" <<
+   cout << _("Total Desc/File relations: ") << Cache.Head().DescFileCount << " (" <<
+      SizeToStr(Cache.Head().DescFileCount*Cache.Head().DescFileSz) << ')' << endl;
+   cout << _("Total Provides mappings: ") << Cache.Head().ProvidesCount << " (" <<

       SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl;
    
    // String list stats
       SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl;
    
    // String list stats


@@ -292,7 +313,7 @@ bool Stats(CommandLine &Cmd)
       Count++;
       Size += strlen(Cache.StrP + I->String) + 1;
    }
       Count++;
       Size += strlen(Cache.StrP + I->String) + 1;
    }

-   cout << _("Total Globbed Strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;
+   cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;

 
    unsigned long DepVerSize = 0;
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
 
    unsigned long DepVerSize = 0;
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)


@@ -306,12 +327,12 @@ bool Stats(CommandLine &Cmd)
         }
       }
    }
         }
       }
    }

-   cout << _("Total Dependency Version space: ") << SizeToStr(DepVerSize) << endl;
+   cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl;

    
    unsigned long Slack = 0;
    for (int I = 0; I != 7; I++)
       Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;
    
    unsigned long Slack = 0;
    for (int I = 0; I != 7; I++)
       Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;

-   cout << _("Total Slack space: ") << SizeToStr(Slack) << endl;
+   cout << _("Total slack space: ") << SizeToStr(Slack) << endl;

    
    unsigned long Total = 0;
    Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz + 
    
    unsigned long Total = 0;
    Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz + 


@@ -319,7 +340,7 @@ bool Stats(CommandLine &Cmd)
            Cache.Head().PackageCount*Cache.Head().PackageSz + 
            Cache.Head().VerFileCount*Cache.Head().VerFileSz +
            Cache.Head().ProvidesCount*Cache.Head().ProvidesSz;
            Cache.Head().PackageCount*Cache.Head().PackageSz + 
            Cache.Head().VerFileCount*Cache.Head().VerFileSz +
            Cache.Head().ProvidesCount*Cache.Head().ProvidesSz;

-   cout << _("Total Space Accounted for: ") << SizeToStr(Total) << endl;
+   cout << _("Total space accounted for: ") << SizeToStr(Total) << endl;

    
    return true;
 }
    
    return true;
 }


@@ -342,6 +363,12 @@ bool Dump(CommandLine &Cmd)
         for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
            cout << "  Depends: " << D.TargetPkg().Name() << ' ' << 
                             DeNull(D.TargetVer()) << endl;
         for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
            cout << "  Depends: " << D.TargetPkg().Name() << ' ' << 
                             DeNull(D.TargetVer()) << endl;

+        for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; D++)
+        {
+           cout << " Description Language: " << D.LanguageCode() << endl
+                << "                 File: " << D.FileList().File().FileName() << endl
+                << "                  MD5: " << D.md5() << endl;
+        } 

       }      
    }
 
       }      
    }
 


@@ -374,7 +401,7 @@ bool DumpAvail(CommandLine &Cmd)
    pkgCache &Cache = *GCache;
 
    pkgPolicy Plcy(&Cache);
    pkgCache &Cache = *GCache;
 
    pkgPolicy Plcy(&Cache);

-   if (ReadPinFile(Plcy) == false)
+   if (ReadPinFile(Plcy) == false || ReadPinDir(Plcy) == false)

       return false;
    
    unsigned long Count = Cache.HeaderP->PackageCount+1;
       return false;
    
    unsigned long Count = Cache.HeaderP->PackageCount+1;


@@ -595,7 +622,7 @@ bool Depends(CommandLine &CmdL)
    
    return true;
 }
    
    return true;
 }

-
+                                                                       /*}}}*/

 // RDepends - Print out a reverse dependency tree - mbc                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // RDepends - Print out a reverse dependency tree - mbc                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -683,10 +710,7 @@ bool RDepends(CommandLine &CmdL)
    
    return true;
 }
    
    return true;
 }

-

                                                                        /*}}}*/
                                                                        /*}}}*/

-
-

 // xvcg - Generate a graph for xvcg                                    /*{{{*/
 // ---------------------------------------------------------------------
 // Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
 // xvcg - Generate a graph for xvcg                                    /*{{{*/
 // ---------------------------------------------------------------------
 // Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.


@@ -844,6 +868,7 @@ bool XVcg(CommandLine &CmdL)
                     then show the relation but do not recurse */
                  if (Hit == false && 
                      (D->Type == pkgCache::Dep::Conflicts ||
                     then show the relation but do not recurse */
                  if (Hit == false && 
                      (D->Type == pkgCache::Dep::Conflicts ||

+                      D->Type == pkgCache::Dep::DpkgBreaks ||

                       D->Type == pkgCache::Dep::Obsoletes))
                  {
                     if (Show[D.TargetPkg()->ID] == None && 
                       D->Type == pkgCache::Dep::Obsoletes))
                  {
                     if (Show[D.TargetPkg()->ID] == None && 


@@ -865,6 +890,9 @@ bool XVcg(CommandLine &CmdL)
                  case pkgCache::Dep::Conflicts:
                    printf("label: \"conflicts\" color: lightgreen }\n");
                    break;
                  case pkgCache::Dep::Conflicts:
                    printf("label: \"conflicts\" color: lightgreen }\n");
                    break;

+                 case pkgCache::Dep::DpkgBreaks:
+                   printf("label: \"breaks\" color: lightgreen }\n");
+                   break;

                  case pkgCache::Dep::Obsoletes:
                    printf("label: \"obsoletes\" color: lightgreen }\n");
                    break;
                  case pkgCache::Dep::Obsoletes:
                    printf("label: \"obsoletes\" color: lightgreen }\n");
                    break;


@@ -902,8 +930,6 @@ bool XVcg(CommandLine &CmdL)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-
-

 // Dotty - Generate a graph for Dotty                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Dotty is the graphvis program for generating graphs. It is a fairly
 // Dotty - Generate a graph for Dotty                                  /*{{{*/
 // ---------------------------------------------------------------------
 /* Dotty is the graphvis program for generating graphs. It is a fairly


@@ -1190,31 +1216,65 @@ bool DisplayRecord(pkgCache::VerIterator V)
    if (_error->PendingError() == true)
       return false;
    
    if (_error->PendingError() == true)
       return false;
    

-   // Read the record and then write it out again.
+   // Read the record

    unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1];
    Buffer[V.FileList()->Size] = '\n';
    if (PkgF.Seek(V.FileList()->Offset) == false ||
    unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1];
    Buffer[V.FileList()->Size] = '\n';
    if (PkgF.Seek(V.FileList()->Offset) == false ||

-       PkgF.Read(Buffer,V.FileList()->Size) == false ||
-       fwrite(Buffer,1,V.FileList()->Size+1,stdout) < V.FileList()->Size+1)
+       PkgF.Read(Buffer,V.FileList()->Size) == false)

    {
       delete [] Buffer;
       return false;
    }
    {
       delete [] Buffer;
       return false;
    }

-   
+
+   // Get a pointer to start of Description field
+   const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:");
+
+   // Write all but Description
+   if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer))
+   {
+      delete [] Buffer;
+      return false;
+   }
+
+   // Show the right description
+   pkgRecords Recs(*GCache);
+   pkgCache::DescIterator Desc = V.TranslatedDescription();
+   pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
+   cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
+
+   // Find the first field after the description (if there is any)
+   for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++) 
+   {
+      if(*DescP == '\n' && *(DescP+1) != ' ') 
+      {
+        // write the rest of the buffer
+        const unsigned char *end=&Buffer[V.FileList()->Size];
+        if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP)) 
+        {
+           delete [] Buffer;
+           return false;
+        }
+
+        break;
+      }
+   }
+   // write a final newline (after the description)
+   cout<<endl;

    delete [] Buffer;
 
    return true;
 }
                                                                        /*}}}*/
    delete [] Buffer;
 
    return true;
 }
                                                                        /*}}}*/

-// Search - Perform a search                                           /*{{{*/
-// ---------------------------------------------------------------------
-/* This searches the package names and pacakge descriptions for a pattern */
-struct ExVerFile
+
+struct ExDescFile

 {
 {

-   pkgCache::VerFile *Vf;
+   pkgCache::DescFile *Df;

    bool NameMatch;
 };
 
    bool NameMatch;
 };
 

+// Search - Perform a search                                           /*{{{*/
+// ---------------------------------------------------------------------
+/* This searches the package names and package descriptions for a pattern */

 bool Search(CommandLine &CmdL)
 {
    pkgCache &Cache = *GCache;
 bool Search(CommandLine &CmdL)
 {
    pkgCache &Cache = *GCache;


@@ -1251,35 +1311,35 @@ bool Search(CommandLine &CmdL)
       return false;
    }
    
       return false;
    }
    

-   ExVerFile *VFList = new ExVerFile[Cache.HeaderP->PackageCount+1];
-   memset(VFList,0,sizeof(*VFList)*Cache.HeaderP->PackageCount+1);
+   ExDescFile *DFList = new ExDescFile[Cache.HeaderP->PackageCount+1];
+   memset(DFList,0,sizeof(*DFList)*Cache.HeaderP->PackageCount+1);

 
    // Map versions that we want to write out onto the VerList array.
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {
 
    // Map versions that we want to write out onto the VerList array.
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {

-      VFList[P->ID].NameMatch = NumPatterns != 0;
+      DFList[P->ID].NameMatch = NumPatterns != 0;

       for (unsigned I = 0; I != NumPatterns; I++)
       {
         if (regexec(&Patterns[I],P.Name(),0,0,0) == 0)
       for (unsigned I = 0; I != NumPatterns; I++)
       {
         if (regexec(&Patterns[I],P.Name(),0,0,0) == 0)

-           VFList[P->ID].NameMatch &= true;
+           DFList[P->ID].NameMatch &= true;

         else
         else

-           VFList[P->ID].NameMatch = false;
+           DFList[P->ID].NameMatch = false;

       }
         
       // Doing names only, drop any that dont match..
       }
         
       // Doing names only, drop any that dont match..

-      if (NamesOnly == true && VFList[P->ID].NameMatch == false)
+      if (NamesOnly == true && DFList[P->ID].NameMatch == false)

         continue;
         
       // Find the proper version to use. 
       pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
       if (V.end() == false)
         continue;
         
       // Find the proper version to use. 
       pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
       if (V.end() == false)

-        VFList[P->ID].Vf = V.FileList();
+        DFList[P->ID].Df = V.DescriptionList().FileList();

    }
       
    // Include all the packages that provide matching names too
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {
    }
       
    // Include all the packages that provide matching names too
    for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
    {

-      if (VFList[P->ID].NameMatch == false)
+      if (DFList[P->ID].NameMatch == false)

         continue;
 
       for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++)
         continue;
 
       for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++)


@@ -1287,18 +1347,18 @@ bool Search(CommandLine &CmdL)
         pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg());
         if (V.end() == false)
         {
         pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg());
         if (V.end() == false)
         {

-           VFList[Prv.OwnerPkg()->ID].Vf = V.FileList();
-           VFList[Prv.OwnerPkg()->ID].NameMatch = true;
+           DFList[Prv.OwnerPkg()->ID].Df = V.DescriptionList().FileList();
+           DFList[Prv.OwnerPkg()->ID].NameMatch = true;

         }
       }
    }
         }
       }
    }

-
-   LocalitySort(&VFList->Vf,Cache.HeaderP->PackageCount,sizeof(*VFList));
+   
+   LocalitySort(&DFList->Df,Cache.HeaderP->PackageCount,sizeof(*DFList));

 
    // Iterate over all the version records and check them
 
    // Iterate over all the version records and check them

-   for (ExVerFile *J = VFList; J->Vf != 0; J++)
+   for (ExDescFile *J = DFList; J->Df != 0; J++)

    {
    {

-      pkgRecords::Parser &P = Recs.Lookup(pkgCache::VerFileIterator(Cache,J->Vf));
+      pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(Cache,J->Df));

 
       bool Match = true;
       if (J->NameMatch == false)
 
       bool Match = true;
       if (J->NameMatch == false)


@@ -1329,7 +1389,7 @@ bool Search(CommandLine &CmdL)
       }
    }
    
       }
    }
    

-   delete [] VFList;
+   delete [] DFList;

    for (unsigned I = 0; I != NumPatterns; I++)
       regfree(&Patterns[I]);
    if (ferror(stdout))
    for (unsigned I = 0; I != NumPatterns; I++)
       regfree(&Patterns[I]);
    if (ferror(stdout))


@@ -1451,13 +1511,13 @@ bool Policy(CommandLine &CmdL)
    
    pkgCache &Cache = *GCache;
    pkgPolicy Plcy(&Cache);
    
    pkgCache &Cache = *GCache;
    pkgPolicy Plcy(&Cache);

-   if (ReadPinFile(Plcy) == false)
+   if (ReadPinFile(Plcy) == false || ReadPinDir(Plcy) == false)

       return false;
    
    // Print out all of the package files
    if (CmdL.FileList[1] == 0)
    {
       return false;
    
    // Print out all of the package files
    if (CmdL.FileList[1] == 0)
    {

-      cout << _("Package Files:") << endl;   
+      cout << _("Package files:") << endl;   

       for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
       {
         // Locate the associated index files so we can derive a description
       for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
       {
         // Locate the associated index files so we can derive a description


@@ -1477,7 +1537,7 @@ bool Policy(CommandLine &CmdL)
       }
       
       // Show any packages have explicit pins
       }
       
       // Show any packages have explicit pins

-      cout << _("Pinned Packages:") << endl;
+      cout << _("Pinned packages:") << endl;

       pkgCache::PkgIterator I = Cache.PkgBegin();
       for (;I.end() != true; I++)
       {
       pkgCache::PkgIterator I = Cache.PkgBegin();
       for (;I.end() != true; I++)
       {


@@ -1527,7 +1587,7 @@ bool Policy(CommandLine &CmdL)
       // Pinned version
       if (Plcy.GetPriority(Pkg) != 0)
       {
       // Pinned version
       if (Plcy.GetPriority(Pkg) != 0)
       {

-        cout << _("  Package Pin: ");
+        cout << _("  Package pin: ");

         V = Plcy.GetMatch(Pkg);
         if (V.end() == true)
            cout << _("(not found)") << endl;
         V = Plcy.GetMatch(Pkg);
         if (V.end() == true)
            cout << _("(not found)") << endl;


@@ -1536,7 +1596,7 @@ bool Policy(CommandLine &CmdL)
       }
       
       // Show the priority tables
       }
       
       // Show the priority tables

-      cout << _("  Version Table:") << endl;
+      cout << _("  Version table:") << endl;

       for (V = Pkg.VersionList(); V.end() == false; V++)
       {
         if (Pkg.CurrentVer() == V)
       for (V = Pkg.VersionList(); V.end() == false; V++)
       {
         if (Pkg.CurrentVer() == V)


@@ -1557,6 +1617,74 @@ bool Policy(CommandLine &CmdL)
       }      
    }
    
       }      
    }
    

+   return true;
+}
+                                                                       /*}}}*/
+// Madison - Look a bit like katie's madison                           /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool Madison(CommandLine &CmdL)
+{
+   if (SrcList == 0)
+      return _error->Error("Generate must be enabled for this function");
+
+   SrcList->ReadMainList();
+
+   pkgCache &Cache = *GCache;
+
+   // Create the src text record parsers and ignore errors about missing
+   // deb-src lines that are generated from pkgSrcRecords::pkgSrcRecords
+   pkgSrcRecords SrcRecs(*SrcList);
+   if (_error->PendingError() == true)
+      _error->Discard();
+
+   for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+   {
+      pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+
+      if (Pkg.end() == false)
+      {
+         for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++)
+         {
+            for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
+            {
+// This might be nice, but wouldn't uniquely identify the source -mdz
+//                if (VF.File().Archive() != 0)
+//                {
+//                   cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
+//                        << VF.File().Archive() << endl;
+//                }
+
+               // Locate the associated index files so we can derive a description
+               for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); S++)
+               {
+                    vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles();
+                    for (vector<pkgIndexFile *>::const_iterator IF = Indexes->begin();
+                         IF != Indexes->end(); IF++)
+                    {
+                         if ((*IF)->FindInCache(*(VF.File().Cache())) == VF.File())
+                         {
+                                   cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
+                                        << (*IF)->Describe(true) << endl;
+                         }
+                    }
+               }
+            }
+         }
+      }
+
+      
+      SrcRecs.Restart();
+      pkgSrcRecords::Parser *SrcParser;
+      while ((SrcParser = SrcRecs.Find(*I,false)) != 0)
+      {
+         // Maybe support Release info here too eventually
+         cout << setw(10) << SrcParser->Package() << " | "
+              << setw(10) << SrcParser->Version() << " | "
+              << SrcParser->Index().Describe(true) << endl;
+      }
+   }
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -1578,8 +1706,8 @@ bool GenCaches(CommandLine &Cmd)
 /* */
 bool ShowHelp(CommandLine &Cmd)
 {
 /* */
 bool ShowHelp(CommandLine &Cmd)
 {

-   ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
-           COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
+   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
+           COMMON_ARCH,__DATE__,__TIME__);

    
    if (_config->FindB("version") == true)
      return true;
    
    if (_config->FindB("version") == true)
      return true;


@@ -1606,8 +1734,8 @@ bool ShowHelp(CommandLine &Cmd)
       "   show - Show a readable record for the package\n"
       "   depends - Show raw dependency information for a package\n"
       "   rdepends - Show reverse dependency information for a package\n"
       "   show - Show a readable record for the package\n"
       "   depends - Show raw dependency information for a package\n"
       "   rdepends - Show reverse dependency information for a package\n"

-      "   pkgnames - List the names of all packages\n"
-      "   dotty - Generate package graphs for GraphVis\n"
+      "   pkgnames - List the names of all packages in the system\n"
+      "   dotty - Generate package graphs for GraphViz\n"

       "   xvcg - Generate package graphs for xvcg\n"
       "   policy - Show policy settings\n"
       "\n"
       "   xvcg - Generate package graphs for xvcg\n"
       "   policy - Show policy settings\n"
       "\n"


@@ -1618,7 +1746,7 @@ bool ShowHelp(CommandLine &Cmd)
       "  -q   Disable progress indicator.\n"
       "  -i   Show only important deps for the unmet command.\n"
       "  -c=? Read this configuration file\n"
       "  -q   Disable progress indicator.\n"
       "  -i   Show only important deps for the unmet command.\n"
       "  -c=? Read this configuration file\n"

-      "  -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n"
+      "  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"

       "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n");
    return true;
 }
       "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n");
    return true;
 }


@@ -1632,8 +1760,7 @@ void CacheInitialize()
    _config->Set("help",false);
 }
                                                                        /*}}}*/
    _config->Set("help",false);
 }
                                                                        /*}}}*/

-
-int main(int argc,const char *argv[])
+int main(int argc,const char *argv[])                                  /*{{{*/

 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},
 {
    CommandLine::Args Args[] = {
       {'h',"help","help",0},


@@ -1645,12 +1772,12 @@ int main(int argc,const char *argv[])
       {'f',"full","APT::Cache::ShowFull",0},
       {'g',"generate","APT::Cache::Generate",0},
       {'a',"all-versions","APT::Cache::AllVersions",0},
       {'f',"full","APT::Cache::ShowFull",0},
       {'g',"generate","APT::Cache::Generate",0},
       {'a',"all-versions","APT::Cache::AllVersions",0},

-      {0,"names-only","APT::Cache::NamesOnly",0},
-      {'n',"all-names","APT::Cache::AllNames",0},
+      {'n',"names-only","APT::Cache::NamesOnly",0},
+      {0,"all-names","APT::Cache::AllNames",0},

       {0,"recurse","APT::Cache::RecurseDepends",0},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},
       {0,"recurse","APT::Cache::RecurseDepends",0},
       {'c',"config-file",0,CommandLine::ConfigFile},
       {'o',"option",0,CommandLine::ArbItem},

-      {'n',"installed","APT::Cache::Installed",0},
+      {0,"installed","APT::Cache::Installed",0},

       {0,0,0,0}};
    CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
                                     {"add",&DoAdd},
       {0,0,0,0}};
    CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
                                     {"add",&DoAdd},


@@ -1670,6 +1797,7 @@ int main(int argc,const char *argv[])
                                     {"show",&ShowPackage},
                                     {"pkgnames",&ShowPkgNames},
                                     {"policy",&Policy},
                                     {"show",&ShowPackage},
                                     {"pkgnames",&ShowPkgNames},
                                     {"policy",&Policy},

+                                    {"madison",&Madison},

                                     {0,0}};
 
    CacheInitialize();
                                     {0,0}};
 
    CacheInitialize();


@@ -1739,3 +1867,4 @@ int main(int argc,const char *argv[])
           
    return 0;
 }
           
    return 0;
 }

+                                                                       /*}}}*/