#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/macros.h>
#include <apti18n.h>
#include <unistd.h>
#include <ctype.h>
-#include <system.h>
/*}}}*/
using std::string;
/* */
pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map)
{
+ MultiArchEnabled = APT::Configuration::getArchitectures().size() > 1;
if (DoMap == true)
ReMap();
}
return Hash % _count(HeaderP->PkgHashTable);
}
+ /*}}}*/
+// 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->PkgHashTable[Hash(Name)];
+ for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage)
+ {
+ if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] &&
+ stringcasecmp(Name,StrP + Pkg->Name) == 0)
+ return PkgIterator(*this,Pkg);
+ }
+ return PkgIterator(*this,0);
+}
+ /*}}}*/
+// Cache::FindPkg - Locate a package by name /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns 0 on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
+ if (MultiArchCache() == false)
+ return SingleArchFindPkg(Name);
+ size_t const found = Name.find(':');
+ if (found == string::npos)
+ return FindPkg(Name, "native");
+ string const Arch = Name.substr(found+1);
+ if (Arch == "any")
+ return FindPkg(Name, "any");
+ return FindPkg(Name.substr(0, found), Arch);
+}
/*}}}*/
// Cache::FindPkg - Locate a package by name /*{{{*/
// ---------------------------------------------------------------------
/* Returns 0 on error, pointer to the package otherwise */
-pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string Arch) {
+pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
+ if (MultiArchCache() == false) {
+ if (Arch == "native" || Arch == "all" ||
+ Arch == _config->Find("APT::Architecture"))
+ return SingleArchFindPkg(Name);
+ else
+ return PkgIterator(*this,0);
+ }
/* We make a detour via the GrpIterator here as
on a multi-arch environment a group is easier to
find than a package (less entries in the buckets) */
// 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 list of packages includes
- "package noise" (= packages with the same hash value but different name) */
+ 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) {
if (unlikely(IsGood() == false || S->FirstPackage == 0 ||
LastPkg.end() == true))
return PkgIterator(*Owner, 0);
- // Iterate over the list to find the next package
- pkgCache::Package *Pkg = Owner->PkgP + LastPkg.Index();
- Pkg = Owner->PkgP + Pkg->NextPackage;
- for (; Pkg != Owner->PkgP; Pkg = Owner->PkgP + Pkg->NextPackage) {
- if (S->Name == Pkg->Name)
- return PkgIterator(*Owner, Pkg);
- if ((Owner->PkgP + S->LastPackage) == Pkg)
- break;
- }
+ if (S->LastPackage == LastPkg.Index())
+ return PkgIterator(*Owner, 0);
- return PkgIterator(*Owner, 0);
+ return PkgIterator(*Owner, Owner->PkgP + LastPkg->NextPackage);
}
/*}}}*/
+// GrpIterator::operator ++ - Postfix incr /*{{{*/
+// ---------------------------------------------------------------------
+/* This will advance to the next logical group in the hash table. */
+void pkgCache::GrpIterator::operator ++(int)
+{
+ // Follow the current links
+ if (S != Owner->GrpP)
+ S = Owner->GrpP + S->Next;
+
+ // Follow the hash table
+ while (S == Owner->GrpP && (HashIndex+1) < (signed)_count(Owner->HeaderP->GrpHashTable))
+ {
+ HashIndex++;
+ S = Owner->GrpP + Owner->HeaderP->GrpHashTable[HashIndex];
+ }
+};
+ /*}}}*/
// PkgIterator::operator ++ - Postfix incr /*{{{*/
// ---------------------------------------------------------------------
/* This will advance to the next logical package in the hash table. */
pkgCache::PkgIterator::CandVersion() const
{
//TargetVer is empty, so don't use it.
- VerIterator version = pkgPolicy::pkgPolicy(Owner).GetCandidateVer(*this);
+ VerIterator version = pkgPolicy(Owner).GetCandidateVer(*this);
if (version.IsGood())
return version.VerStr();
return 0;
return out;
}
/*}}}*/
+// PkgIterator::FullName - Returns Name and (maybe) Architecture /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns a name:arch string */
+std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const
+{
+ string fullname = Name();
+ if (Pretty == false ||
+ (strcmp(Arch(), "all") != 0 && _config->Find("APT::Architecture") != Arch()))
+ return fullname.append(":").append(Arch());
+ return fullname;
+}
+ /*}}}*/
// DepIterator::IsCritical - Returns true if the dep is important /*{{{*/
// ---------------------------------------------------------------------
/* Currently critical deps are defined as depends, predepends and
return false;
}
/*}}}*/
+// VerIterator::Pseudo - Check if this version is a pseudo one /*{{{*/
+// ---------------------------------------------------------------------
+/* Sometimes you have the need to express dependencies with versions
+ which doesn't really exist or exist multiply times for "different"
+ packages. We need these versions for dependency resolution but they
+ are a problem everytime we need to download/install something. */
+bool pkgCache::VerIterator::Pseudo() const
+{
+ if (S->MultiArch == pkgCache::Version::All &&
+ strcmp(Arch(true),"all") != 0)
+ {
+ GrpIterator const Grp = ParentPkg().Group();
+ return (Grp->LastPackage != Grp->FirstPackage);
+ }
+ return false;
+}
+ /*}}}*/
// VerIterator::NewestFile - Return the newest file version relation /*{{{*/
// ---------------------------------------------------------------------
/* This looks at the version numbers associated with all of the sources
Res += File.Site();
}
}
- if (S->Arch != 0)
+ if (S->ParentPkg != 0)
Res.append(" [").append(Arch()).append("]");
return Res;
}
projects / apt.git / blobdiff