releasing version 0.8.10.2

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

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 1bbd74bd9815fc197e67a7c78bf3994c92bebf80..616d400a256d9681b27b260ec77cc635a67d2a46 100644 (file)
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -55,6 +55,7 @@ pkgCache::Header::Header()
    Dirty = false;
    
    HeaderSz = sizeof(pkgCache::Header);
    Dirty = false;
    
    HeaderSz = sizeof(pkgCache::Header);

+   GroupSz = sizeof(pkgCache::Group);

    PackageSz = sizeof(pkgCache::Package);
    PackageFileSz = sizeof(pkgCache::PackageFile);
    VersionSz = sizeof(pkgCache::Version);
    PackageSz = sizeof(pkgCache::Package);
    PackageFileSz = sizeof(pkgCache::PackageFile);
    VersionSz = sizeof(pkgCache::Version);


@@ -64,6 +65,7 @@ pkgCache::Header::Header()
    VerFileSz = sizeof(pkgCache::VerFile);
    DescFileSz = sizeof(pkgCache::DescFile);
    
    VerFileSz = sizeof(pkgCache::VerFile);
    DescFileSz = sizeof(pkgCache::DescFile);
    

+   GroupCount = 0;

    PackageCount = 0;
    VersionCount = 0;
    DescriptionCount = 0;
    PackageCount = 0;
    VersionCount = 0;
    DescriptionCount = 0;


@@ -90,6 +92,7 @@ pkgCache::Header::Header()
 bool pkgCache::Header::CheckSizes(Header &Against) const
 {
    if (HeaderSz == Against.HeaderSz &&
 bool pkgCache::Header::CheckSizes(Header &Against) const
 {
    if (HeaderSz == Against.HeaderSz &&

+       GroupSz == Against.GroupSz &&

        PackageSz == Against.PackageSz &&
        PackageFileSz == Against.PackageFileSz &&
        VersionSz == Against.VersionSz &&
        PackageSz == Against.PackageSz &&
        PackageFileSz == Against.PackageFileSz &&
        VersionSz == Against.VersionSz &&


@@ -108,7 +111,10 @@ bool pkgCache::Header::CheckSizes(Header &Against) const
 /* */
 pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map)
 {
 /* */
 pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map)
 {

-   MultiArchEnabled = APT::Configuration::getArchitectures().size() > 1;
+   // call getArchitectures() with cached=false to ensure that the 
+   // architectures cache is re-evaulated. this is needed in cases
+   // when the APT::Architecture field changes between two cache creations
+   MultiArchEnabled = APT::Configuration::getArchitectures(false).size() > 1;

    if (DoMap == true)
       ReMap();
 }
    if (DoMap == true)
       ReMap();
 }


@@ -116,7 +122,7 @@ pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map)
 // Cache::ReMap - Reopen the cache file                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* If the file is already closed then this will open it open it. */
 // Cache::ReMap - Reopen the cache file                                        /*{{{*/
 // ---------------------------------------------------------------------
 /* If the file is already closed then this will open it open it. */

-bool pkgCache::ReMap()
+bool pkgCache::ReMap(bool const &Errorchecks)

 {
    // Apply the typecasts.
    HeaderP = (Header *)Map.Data();
 {
    // Apply the typecasts.
    HeaderP = (Header *)Map.Data();


@@ -132,6 +138,9 @@ bool pkgCache::ReMap()
    StringItemP = (StringItem *)Map.Data();
    StrP = (char *)Map.Data();
 
    StringItemP = (StringItem *)Map.Data();
    StrP = (char *)Map.Data();
 

+   if (Errorchecks == false)
+      return true;
+

    if (Map.Size() == 0 || HeaderP == 0)
       return _error->Error(_("Empty package cache"));
    
    if (Map.Size() == 0 || HeaderP == 0)
       return _error->Error(_("Empty package cache"));
    


@@ -218,7 +227,7 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
 /* Returns 0 on error, pointer to the package otherwise */
 pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
        if (MultiArchCache() == false) {
 /* Returns 0 on error, pointer to the package otherwise */
 pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
        if (MultiArchCache() == false) {

-               if (Arch == "native" || Arch == "all" ||
+               if (Arch == "native" || Arch == "all" || Arch == "any" ||

                    Arch == _config->Find("APT::Architecture"))
                        return SingleArchFindPkg(Name);
                else
                    Arch == _config->Find("APT::Architecture"))
                        return SingleArchFindPkg(Name);
                else


@@ -304,7 +313,7 @@ const char *pkgCache::Priority(unsigned char Prio)
 // GrpIterator::FindPkg - Locate a package by arch                     /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise */
 // GrpIterator::FindPkg - Locate a package by arch                     /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise */

-pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) {
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {

        if (unlikely(IsGood() == false || S->FirstPackage == 0))
                return PkgIterator(*Owner, 0);
 
        if (unlikely(IsGood() == false || S->FirstPackage == 0))
                return PkgIterator(*Owner, 0);
 


@@ -340,12 +349,33 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) {
        return PkgIterator(*Owner, 0);
 }
                                                                        /*}}}*/
        return PkgIterator(*Owner, 0);
 }
                                                                        /*}}}*/

+// GrpIterator::FindPreferredPkg - Locate the "best" package           /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns an End-Pointer on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg(bool const &PreferNonVirtual) const {
+       pkgCache::PkgIterator Pkg = FindPkg("native");
+       if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
+               return Pkg;
+
+       std::vector<std::string> const archs = APT::Configuration::getArchitectures();
+       for (std::vector<std::string>::const_iterator a = archs.begin();
+            a != archs.end(); ++a) {
+               Pkg = FindPkg(*a);
+               if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
+                       return Pkg;
+       }
+
+       if (PreferNonVirtual == true)
+               return FindPreferredPkg(false);
+       return PkgIterator(*Owner, 0);
+}
+                                                                       /*}}}*/

 // GrpIterator::NextPkg - Locate the next package in the group         /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise.
    We can't simply ++ to the next as the next package of the last will
    be from a different group (with the same hash value) */
 // GrpIterator::NextPkg - Locate the next package in the group         /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise.
    We can't simply ++ to the next as the next package of the last will
    be from a different group (with the same hash value) */

-pkgCache::PkgIterator pkgCache::GrpIterator::NextPkg(pkgCache::PkgIterator const &LastPkg) {
+pkgCache::PkgIterator pkgCache::GrpIterator::NextPkg(pkgCache::PkgIterator const &LastPkg) const {

        if (unlikely(IsGood() == false || S->FirstPackage == 0 ||
            LastPkg.end() == true))
                return PkgIterator(*Owner, 0);
        if (unlikely(IsGood() == false || S->FirstPackage == 0 ||
            LastPkg.end() == true))
                return PkgIterator(*Owner, 0);


@@ -482,7 +512,7 @@ std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const
 // ---------------------------------------------------------------------
 /* Currently critical deps are defined as depends, predepends and
    conflicts (including dpkg's Breaks fields). */
 // ---------------------------------------------------------------------
 /* Currently critical deps are defined as depends, predepends and
    conflicts (including dpkg's Breaks fields). */

-bool pkgCache::DepIterator::IsCritical()
+bool pkgCache::DepIterator::IsCritical() const

 {
    if (S->Type == pkgCache::Dep::Conflicts ||
        S->Type == pkgCache::Dep::DpkgBreaks ||
 {
    if (S->Type == pkgCache::Dep::Conflicts ||
        S->Type == pkgCache::Dep::DpkgBreaks ||


@@ -506,7 +536,7 @@ bool pkgCache::DepIterator::IsCritical()
    In Conjunction with the DepCache the value of Result may not be 
    super-good since the policy may have made it uninstallable. Using
    AllTargets is better in this case. */
    In Conjunction with the DepCache the value of Result may not be 
    super-good since the policy may have made it uninstallable. Using
    AllTargets is better in this case. */

-bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result)
+bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result) const

 {
    Result = TargetPkg();
    
 {
    Result = TargetPkg();
    


@@ -555,7 +585,7 @@ bool pkgCache::DepIterator::SmartTargetPkg(PkgIterator &Result)
    provides. It includes every possible package-version that could satisfy
    the dependency. The last item in the list has a 0. The resulting pointer
    must be delete [] 'd */
    provides. It includes every possible package-version that could satisfy
    the dependency. The last item in the list has a 0. The resulting pointer
    must be delete [] 'd */

-pkgCache::Version **pkgCache::DepIterator::AllTargets()
+pkgCache::Version **pkgCache::DepIterator::AllTargets() const

 {
    Version **Res = 0;
    unsigned long Size =0;
 {
    Version **Res = 0;
    unsigned long Size =0;


@@ -634,6 +664,30 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
    }
 }
                                                                        /*}}}*/
    }
 }
                                                                        /*}}}*/

+// ostream operator to handle string representation of a dependecy     /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+std::ostream& operator<<(ostream& out, pkgCache::DepIterator D)
+{
+   if (D.end() == true)
+      return out << "invalid dependency";
+
+   pkgCache::PkgIterator P = D.ParentPkg();
+   pkgCache::PkgIterator T = D.TargetPkg();
+
+   out << (P.end() ? "invalid pkg" : P.FullName(false)) << " " << D.DepType()
+       << " on ";
+   if (T.end() == true)
+      out << "invalid pkg";
+   else
+      out << T;
+
+   if (D->Version != 0)
+      out << " (" << D.CompType() << " " << D.TargetVer() << ")";
+
+   return out;
+}
+                                                                       /*}}}*/

 // VerIterator::CompareVer - Fast version compare for same pkgs                /*{{{*/
 // ---------------------------------------------------------------------
 /* This just looks over the version list to see if B is listed before A. In
 // VerIterator::CompareVer - Fast version compare for same pkgs                /*{{{*/
 // ---------------------------------------------------------------------
 /* This just looks over the version list to see if B is listed before A. In


@@ -677,6 +731,7 @@ bool pkgCache::VerIterator::Automatic() const
 {
    VerFileIterator Files = FileList();
    for (; Files.end() == false; Files++)
 {
    VerFileIterator Files = FileList();
    for (; Files.end() == false; Files++)

+      // Do not check ButAutomaticUpgrades here as it is kind of automatic…

       if ((Files.File()->Flags & pkgCache::Flag::NotAutomatic) != pkgCache::Flag::NotAutomatic)
         return true;
    return false;
       if ((Files.File()->Flags & pkgCache::Flag::NotAutomatic) != pkgCache::Flag::NotAutomatic)
         return true;
    return false;


@@ -720,7 +775,7 @@ pkgCache::VerFileIterator pkgCache::VerIterator::NewestFile() const
 // ---------------------------------------------------------------------
 /* This describes the version from a release-centric manner. The output is a 
    list of Label:Version/Archive */
 // ---------------------------------------------------------------------
 /* This describes the version from a release-centric manner. The output is a 
    list of Label:Version/Archive */

-string pkgCache::VerIterator::RelStr()
+string pkgCache::VerIterator::RelStr() const

 {
    bool First = true;
    string Res;
 {
    bool First = true;
    string Res;


@@ -836,17 +891,19 @@ pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
    for (std::vector<string>::const_iterator l = lang.begin();
        l != lang.end(); l++)
    {
    for (std::vector<string>::const_iterator l = lang.begin();
        l != lang.end(); l++)
    {

-      pkgCache::DescIterator DescDefault = DescriptionList();
-      pkgCache::DescIterator Desc = DescDefault;
-
-      for (; Desc.end() == false; Desc++)
-        if (*l == Desc.LanguageCode())
+      pkgCache::DescIterator Desc = DescriptionList();
+      for (; Desc.end() == false; ++Desc)
+        if (*l == Desc.LanguageCode() ||
+            (*l == "en" && strcmp(Desc.LanguageCode(),"") == 0))

            break;
            break;

-      if (Desc.end() == true) 
-        Desc = DescDefault;
+      if (Desc.end() == true)
+        continue;

       return Desc;
    }
       return Desc;
    }

-
+   for (pkgCache::DescIterator Desc = DescriptionList();
+       Desc.end() == false; ++Desc)
+      if (strcmp(Desc.LanguageCode(), "") == 0)
+        return Desc;

    return DescriptionList();
 };
 
    return DescriptionList();
 };