Run ./prepare-release pre-export

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

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 2348cca2d0b9c11954fda23685b6594cb56df591..0750a20806064daf75a1d4b166f5fbeedaf31fb9 100644 (file)
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -34,7 +34,8 @@
 
 #include <stddef.h>
 #include <string.h>
 
 #include <stddef.h>
 #include <string.h>

-#include <ostream>
+#include <sstream>
+#include <algorithm>

 #include <vector>
 #include <string>
 #include <sys/stat.h>
 #include <vector>
 #include <string>
 #include <sys/stat.h>


@@ -50,27 +51,29 @@ using std::string;
 /* Simply initialize the header */
 pkgCache::Header::Header()
 {
 /* Simply initialize the header */
 pkgCache::Header::Header()
 {

-   Signature = 0x98FE76DC;
-   
+#define APT_HEADER_SET(X,Y) X = Y; static_assert(std::numeric_limits<decltype(X)>::max() > Y, "Size violation detected in pkgCache::Header")
+   APT_HEADER_SET(Signature, 0x98FE76DC);
+

    /* Whenever the structures change the major version should be bumped,
       whenever the generator changes the minor version should be bumped. */
    /* Whenever the structures change the major version should be bumped,
       whenever the generator changes the minor version should be bumped. */

-   MajorVersion = 10;
-   MinorVersion = 0;
-   Dirty = false;
-   
-   HeaderSz = sizeof(pkgCache::Header);
-   GroupSz = sizeof(pkgCache::Group);
-   PackageSz = sizeof(pkgCache::Package);
-   ReleaseFileSz = sizeof(pkgCache::ReleaseFile);
-   PackageFileSz = sizeof(pkgCache::PackageFile);
-   VersionSz = sizeof(pkgCache::Version);
-   DescriptionSz = sizeof(pkgCache::Description);
-   DependencySz = sizeof(pkgCache::Dependency);
-   DependencyDataSz = sizeof(pkgCache::DependencyData);
-   ProvidesSz = sizeof(pkgCache::Provides);
-   VerFileSz = sizeof(pkgCache::VerFile);
-   DescFileSz = sizeof(pkgCache::DescFile);
-   
+   APT_HEADER_SET(MajorVersion, 10);
+   APT_HEADER_SET(MinorVersion, 1);
+   APT_HEADER_SET(Dirty, false);
+
+   APT_HEADER_SET(HeaderSz, sizeof(pkgCache::Header));
+   APT_HEADER_SET(GroupSz, sizeof(pkgCache::Group));
+   APT_HEADER_SET(PackageSz, sizeof(pkgCache::Package));
+   APT_HEADER_SET(ReleaseFileSz, sizeof(pkgCache::ReleaseFile));
+   APT_HEADER_SET(PackageFileSz, sizeof(pkgCache::PackageFile));
+   APT_HEADER_SET(VersionSz, sizeof(pkgCache::Version));
+   APT_HEADER_SET(DescriptionSz, sizeof(pkgCache::Description));
+   APT_HEADER_SET(DependencySz, sizeof(pkgCache::Dependency));
+   APT_HEADER_SET(DependencyDataSz, sizeof(pkgCache::DependencyData));
+   APT_HEADER_SET(ProvidesSz, sizeof(pkgCache::Provides));
+   APT_HEADER_SET(VerFileSz, sizeof(pkgCache::VerFile));
+   APT_HEADER_SET(DescFileSz, sizeof(pkgCache::DescFile));
+#undef APT_HEADER_SET
+

    GroupCount = 0;
    PackageCount = 0;
    VersionCount = 0;
    GroupCount = 0;
    PackageCount = 0;
    VersionCount = 0;


@@ -84,7 +87,7 @@ pkgCache::Header::Header()
    ProvidesCount = 0;
    MaxVerFileSize = 0;
    MaxDescFileSize = 0;
    ProvidesCount = 0;
    MaxVerFileSize = 0;
    MaxDescFileSize = 0;

-   
+

    FileList = 0;
    RlsFileList = 0;
    VerSysName = 0;
    FileList = 0;
    RlsFileList = 0;
    VerSysName = 0;


@@ -214,26 +217,6 @@ map_id_t pkgCache::sHash(const char *Str) const
    return Hash % HeaderP->GetHashTableSize();
 }
                                                                        /*}}}*/
    return Hash % HeaderP->GetHashTableSize();
 }
                                                                        /*}}}*/

-// Cache::SingleArchFindPkg - Locate a package by name                 /*{{{*/
-// ---------------------------------------------------------------------
-/* Returns 0 on error, pointer to the package otherwise
-   The multiArch enabled methods will fallback to this one as it is (a bit)
-   faster for single arch environments and realworld is mostly singlearch… */
-pkgCache::PkgIterator pkgCache::SingleArchFindPkg(const string &Name)
-{
-   // Look at the hash bucket
-   Package *Pkg = PkgP + HeaderP->PkgHashTableP()[Hash(Name)];
-   for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage)
-   {
-      int const cmp = strcmp(Name.c_str(), StrP + (GrpP + Pkg->Group)->Name);
-      if (cmp == 0)
-        return PkgIterator(*this, Pkg);
-      else if (cmp < 0)
-        break;
-   }
-   return PkgIterator(*this,0);
-}
-                                                                       /*}}}*/

 // Cache::FindPkg - Locate a package by name                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns 0 on error, pointer to the package otherwise */
 // Cache::FindPkg - Locate a package by name                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns 0 on error, pointer to the package otherwise */


@@ -242,9 +225,9 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
        if (found == string::npos)
           return FindPkg(Name, "native");
        string const Arch = Name.substr(found+1);
        if (found == string::npos)
           return FindPkg(Name, "native");
        string const Arch = Name.substr(found+1);

-       /* Beware: This is specialcased to handle pkg:any in dependencies as
-          these are linked to virtual pkg:any named packages with all archs.
-          If you want any arch from a given pkg, use FindPkg(pkg,arch) */
+       /* Beware: This is specialcased to handle pkg:any in dependencies
+          as these are linked to virtual pkg:any named packages.
+          If you want any arch from a pkg, use FindPkg(pkg,"any") */

        if (Arch == "any")
                return FindPkg(Name, "any");
        return FindPkg(Name.substr(0, found), Arch);
        if (Arch == "any")
                return FindPkg(Name, "any");
        return FindPkg(Name.substr(0, found), Arch);


@@ -341,20 +324,11 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
                return PkgIterator(*Owner, 0);
 
        /* If we accept any package we simply return the "first"
                return PkgIterator(*Owner, 0);
 
        /* If we accept any package we simply return the "first"

-          package in this group (the last one added). */
+          package in this group */

        if (Arch == "any")
                return PkgIterator(*Owner, Owner->PkgP + S->FirstPackage);
        if (Arch == "any")
                return PkgIterator(*Owner, Owner->PkgP + S->FirstPackage);

-
-       char const* const myArch = Owner->NativeArch();
-       /* Most of the time the package for our native architecture is
-          the one we add at first to the cache, but this would be the
-          last one we check, so we do it now. */
-       if (Arch == "native" || Arch == myArch || Arch == "all") {
-               pkgCache::Package *Pkg = Owner->PkgP + S->LastPackage;
-               if (strcmp(myArch, Owner->StrP + Pkg->Arch) == 0)
-                       return PkgIterator(*Owner, Pkg);
-               Arch = myArch;
-       }
+       if (Arch == "native" || Arch == "all")
+               Arch = Owner->NativeArch();

 
        // Iterate over the list to find the matching arch
        for (pkgCache::Package *Pkg = PackageList(); Pkg != Owner->PkgP;
 
        // Iterate over the list to find the matching arch
        for (pkgCache::Package *Pkg = PackageList(); Pkg != Owner->PkgP;


@@ -543,7 +517,7 @@ std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const
 {
    string fullname = Name();
    if (Pretty == false ||
 {
    string fullname = Name();
    if (Pretty == false ||

-       (strcmp(Arch(), "all") != 0 &&
+       (strcmp(Arch(), "all") != 0 && strcmp(Arch(), "any") != 0 &&

        strcmp(Owner->NativeArch(), Arch()) != 0))
       return fullname.append(":").append(Arch());
    return fullname;
        strcmp(Owner->NativeArch(), Arch()) != 0))
       return fullname.append(":").append(Arch());
    return fullname;


@@ -725,21 +699,7 @@ bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &PT) const
    // ignore group-conflict on a M-A:same package - but not our implicit dependencies
    // so that we can have M-A:same packages conflicting with their own real name
    if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
    // ignore group-conflict on a M-A:same package - but not our implicit dependencies
    // so that we can have M-A:same packages conflicting with their own real name
    if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)

-   {
-      // Replaces: ${self}:other ( << ${binary:Version})
-      if (S2->Type == pkgCache::Dep::Replaces)
-      {
-        if (S2->CompareOp == pkgCache::Dep::Less && strcmp(PV.VerStr(), TargetVer()) == 0)
-           return false;
-      }
-      // Breaks: ${self}:other (!= ${binary:Version})
-      else if (S2->Type == pkgCache::Dep::DpkgBreaks)
-      {
-        if (S2->CompareOp == pkgCache::Dep::NotEquals && strcmp(PV.VerStr(), TargetVer()) == 0)
-           return false;
-      }
-      return true;
-   }
+      return IsMultiArchImplicit() == false;

 
    return false;
 }
 
    return false;
 }


@@ -754,27 +714,12 @@ bool pkgCache::DepIterator::IsIgnorable(PrvIterator const &Prv) const
    if (Prv.OwnerPkg()->Group == Pkg->Group)
       return true;
    // Implicit group-conflicts should not be applied on providers of other groups
    if (Prv.OwnerPkg()->Group == Pkg->Group)
       return true;
    // Implicit group-conflicts should not be applied on providers of other groups

-   if (Pkg->Group == TargetPkg()->Group && Prv.OwnerPkg()->Group != Pkg->Group)
+   if (IsMultiArchImplicit() && Prv.OwnerPkg()->Group != Pkg->Group)

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

-// DepIterator::IsMultiArchImplicit - added by the cache generation    /*{{{*/
-// ---------------------------------------------------------------------
-/* MultiArch can be translated to SingleArch for an resolver and we did so,
-   by adding dependencies to help the resolver understand the problem, but
-   sometimes it is needed to identify these to ignore them… */
-bool pkgCache::DepIterator::IsMultiArchImplicit() const
-{
-   if (ParentPkg()->Arch != TargetPkg()->Arch &&
-       (S2->Type == pkgCache::Dep::Replaces ||
-       S2->Type == pkgCache::Dep::DpkgBreaks ||
-       S2->Type == pkgCache::Dep::Conflicts))
-      return true;
-   return false;
-}
-                                                                       /*}}}*/

 // DepIterator::IsSatisfied - check if a version satisfied the dependency /*{{{*/
 bool pkgCache::DepIterator::IsSatisfied(VerIterator const &Ver) const
 {
 // DepIterator::IsSatisfied - check if a version satisfied the dependency /*{{{*/
 bool pkgCache::DepIterator::IsSatisfied(VerIterator const &Ver) const
 {


@@ -785,6 +730,20 @@ bool pkgCache::DepIterator::IsSatisfied(PrvIterator const &Prv) const
    return Owner->VS->CheckDep(Prv.ProvideVersion(),S2->CompareOp,TargetVer());
 }
                                                                        /*}}}*/
    return Owner->VS->CheckDep(Prv.ProvideVersion(),S2->CompareOp,TargetVer());
 }
                                                                        /*}}}*/

+// DepIterator::IsImplicit - added by the cache generation             /*{{{*/
+bool pkgCache::DepIterator::IsImplicit() const
+{
+   if (IsMultiArchImplicit() == true)
+      return true;
+   if (IsNegative() || S2->Type == pkgCache::Dep::Replaces)
+   {
+      if ((S2->CompareOp & pkgCache::Dep::ArchSpecific) != pkgCache::Dep::ArchSpecific &&
+           strcmp(ParentPkg().Arch(), TargetPkg().Arch()) != 0)
+        return true;
+   }
+   return false;
+}
+                                                                       /*}}}*/

 // ostream operator to handle string representation of a dependecy     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // ostream operator to handle string representation of a dependecy     /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -879,10 +838,32 @@ 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 */

+static std::string PkgFileIteratorToRelString(pkgCache::PkgFileIterator const &File)
+{
+   std::string Res;
+   if (File.Label() != 0)
+      Res = Res + File.Label() + ':';
+
+   if (File.Archive() != 0)
+   {
+      if (File.Version() == 0)
+        Res += File.Archive();
+      else
+        Res = Res + File.Version() + '/' +  File.Archive();
+   }
+   else
+   {
+      // No release file, print the host name that this came from
+      if (File.Site() == 0 || File.Site()[0] == 0)
+        Res += "localhost";
+      else
+        Res += File.Site();
+   }
+   return Res;
+}

 string pkgCache::VerIterator::RelStr() const
 {
 string pkgCache::VerIterator::RelStr() const
 {

-   bool First = true;
-   string Res;
+   std::vector<std::string> RelStrs;

    for (pkgCache::VerFileIterator I = this->FileList(); I.end() == false; ++I)
    {
       // Do not print 'not source' entries'
    for (pkgCache::VerFileIterator I = this->FileList(); I.end() == false; ++I)
    {
       // Do not print 'not source' entries'


@@ -890,58 +871,21 @@ string pkgCache::VerIterator::RelStr() const
       if (File.Flagged(pkgCache::Flag::NotSource))
         continue;
 
       if (File.Flagged(pkgCache::Flag::NotSource))
         continue;
 

-      // See if we have already printed this out..
-      bool Seen = false;
-      for (pkgCache::VerFileIterator J = this->FileList(); I != J; ++J)
-      {
-        pkgCache::PkgFileIterator const File2 = J.File();
-        if (File2.Label() == 0 || File.Label() == 0)
-           continue;
-
-        if (strcmp(File.Label(),File2.Label()) != 0)
-           continue;
-        
-        if (File2.Version() == File.Version())
-        {
-           Seen = true;
-           break;
-        }
-        if (File2.Version() == 0 || File.Version() == 0)
-           break;
-        if (strcmp(File.Version(),File2.Version()) == 0)
-           Seen = true;
-      }
-      
-      if (Seen == true)
+      std::string const RS = PkgFileIteratorToRelString(File);
+      if (std::find(RelStrs.begin(), RelStrs.end(), RS) != RelStrs.end())

         continue;
         continue;

-      
-      if (First == false)
-        Res += ", ";
-      else
-        First = false;
-      
-      if (File.Label() != 0)
-        Res = Res + File.Label() + ':';

 
 

-      if (File.Archive() != 0)
-      {
-        if (File.Version() == 0)
-           Res += File.Archive();
-        else
-           Res = Res + File.Version() + '/' +  File.Archive();
-      }
-      else
-      {
-        // No release file, print the host name that this came from
-        if (File.Site() == 0 || File.Site()[0] == 0)
-           Res += "localhost";
-        else
-           Res += File.Site();
-      }      
+      RelStrs.push_back(RS);
+   }
+   std::ostringstream os;
+   if (likely(RelStrs.empty() == false))
+   {
+      std::copy(RelStrs.begin(), RelStrs.end()-1, std::ostream_iterator<std::string>(os, ", "));
+      os << *RelStrs.rbegin();

    }
    if (S->ParentPkg != 0)
    }
    if (S->ParentPkg != 0)

-      Res.append(" [").append(Arch()).append("]");
-   return Res;
+      os << " [" << Arch() << "]";
+   return os.str();

 }
                                                                        /*}}}*/
 // VerIterator::MultiArchType - string representing MultiArch flag     /*{{{*/
 }
                                                                        /*}}}*/
 // VerIterator::MultiArchType - string representing MultiArch flag     /*{{{*/


@@ -1065,19 +1009,5 @@ pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
 }
 
                                                                        /*}}}*/
 }
 
                                                                        /*}}}*/

-// PrvIterator::IsMultiArchImplicit - added by the cache generation    /*{{{*/
-// ---------------------------------------------------------------------
-/* MultiArch can be translated to SingleArch for an resolver and we did so,
-   by adding provides to help the resolver understand the problem, but
-   sometimes it is needed to identify these to ignore them… */
-bool pkgCache::PrvIterator::IsMultiArchImplicit() const
-{
-   pkgCache::PkgIterator const Owner = OwnerPkg();
-   pkgCache::PkgIterator const Parent = ParentPkg();
-   if (strcmp(Owner.Arch(), Parent.Arch()) != 0 || Owner.Group()->Name == Parent.Group()->Name)
-      return true;
-   return false;
-}
-                                                                       /*}}}*/

 
 pkgCache::~pkgCache() {}
 
 pkgCache::~pkgCache() {}