##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include<config.h>
+
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/policy.h>
#include <apt-pkg/version.h>
#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/macros.h>
-#include <apti18n.h>
-
#include <string>
#include <sys/stat.h>
#include <unistd.h>
-
#include <ctype.h>
+
+#include <apti18n.h>
/*}}}*/
using std::string;
memset(PkgHashTable,0,sizeof(PkgHashTable));
memset(GrpHashTable,0,sizeof(GrpHashTable));
memset(Pools,0,sizeof(Pools));
+
+ CacheFileSize = 0;
}
/*}}}*/
// Cache::Header::CheckSizes - Check if the two headers have same *sz /*{{{*/
HeaderP->CheckSizes(DefHeader) == false)
return _error->Error(_("The package cache file is an incompatible version"));
+ if (Map.Size() < HeaderP->CacheFileSize)
+ return _error->Error(_("The package cache file is corrupted, it is too small"));
+
// Locate our VS..
if (HeaderP->VerSysName == 0 ||
(VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0)
unsigned long pkgCache::sHash(const string &Str) const
{
unsigned long Hash = 0;
- for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
+ for (string::const_iterator I = Str.begin(); I != Str.end(); ++I)
Hash = 5*Hash + tolower_ascii(*I);
return Hash % _count(HeaderP->PkgHashTable);
}
unsigned long pkgCache::sHash(const char *Str) const
{
unsigned long Hash = 0;
- for (const char *I = Str; *I != 0; I++)
+ for (const char *I = Str; *I != 0; ++I)
Hash = 5*Hash + tolower_ascii(*I);
return Hash % _count(HeaderP->PkgHashTable);
}
// ---------------------------------------------------------------------
/* 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");
+ {
+ if (MultiArchCache() == false)
+ return SingleArchFindPkg(Name);
+ else
+ 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 they provide no new information (e.g. there is no newer version than candidate)
If no version and/or section can be found "none" is used. */
std::ostream&
-operator<<(ostream& out, pkgCache::PkgIterator Pkg)
+operator<<(std::ostream& out, pkgCache::PkgIterator Pkg)
{
if (Pkg.end() == true)
return out << "invalid package";
conflicts (including dpkg's Breaks fields). */
bool pkgCache::DepIterator::IsCritical() const
{
- if (S->Type == pkgCache::Dep::Conflicts ||
- S->Type == pkgCache::Dep::DpkgBreaks ||
- S->Type == pkgCache::Dep::Obsoletes ||
+ if (IsNegative() == true ||
S->Type == pkgCache::Dep::Depends ||
S->Type == pkgCache::Dep::PreDepends)
return true;
return false;
}
/*}}}*/
+// DepIterator::IsNegative - Returns true if the dep is a negative one /*{{{*/
+// ---------------------------------------------------------------------
+/* Some dependencies are positive like Depends and Recommends, others
+ are negative like Conflicts which can and should be handled differently */
+bool pkgCache::DepIterator::IsNegative() const
+{
+ return S->Type == Dep::DpkgBreaks ||
+ S->Type == Dep::Conflicts ||
+ S->Type == Dep::Obsoletes;
+}
+ /*}}}*/
// DepIterator::SmartTargetPkg - Resolve dep target pointers w/provides /*{{{*/
// ---------------------------------------------------------------------
/* This intellegently looks at dep target packages and tries to figure
virtual package libc-dev which is provided by libc5-dev and libc6-dev
we must ignore libc5-dev when considering the provides list. */
PrvIterator PStart = Result.ProvidesList();
- for (; PStart.end() != true && PStart.OwnerPkg() == ParentPkg(); PStart++);
+ for (; PStart.end() != true && PStart.OwnerPkg() == ParentPkg(); ++PStart);
// Nothing but indirect self provides
if (PStart.end() == true)
// Check for single packages in the provides list
PrvIterator P = PStart;
- for (; P.end() != true; P++)
+ for (; P.end() != true; ++P)
{
// Skip over self provides
if (P.OwnerPkg() == ParentPkg())
PkgIterator DPkg = TargetPkg();
// Walk along the actual package providing versions
- for (VerIterator I = DPkg.VersionList(); I.end() == false; I++)
+ for (VerIterator I = DPkg.VersionList(); I.end() == false; ++I)
{
- if (Owner->VS->CheckDep(I.VerStr(),S->CompareOp,TargetVer()) == false)
+ if (IsIgnorable(I.ParentPkg()) == true)
continue;
- if ((S->Type == pkgCache::Dep::Conflicts ||
- S->Type == pkgCache::Dep::DpkgBreaks ||
- S->Type == pkgCache::Dep::Obsoletes) &&
- ParentPkg() == I.ParentPkg())
+ if (Owner->VS->CheckDep(I.VerStr(),S->CompareOp,TargetVer()) == false)
continue;
-
+
Size++;
if (Res != 0)
*End++ = I;
}
// Follow all provides
- for (PrvIterator I = DPkg.ProvidesList(); I.end() == false; I++)
+ for (PrvIterator I = DPkg.ProvidesList(); I.end() == false; ++I)
{
- if (Owner->VS->CheckDep(I.ProvideVersion(),S->CompareOp,TargetVer()) == false)
+ if (IsIgnorable(I) == true)
continue;
-
- if ((S->Type == pkgCache::Dep::Conflicts ||
- S->Type == pkgCache::Dep::DpkgBreaks ||
- S->Type == pkgCache::Dep::Obsoletes) &&
- ParentPkg() == I.OwnerPkg())
+
+ if (Owner->VS->CheckDep(I.ProvideVersion(),S->CompareOp,TargetVer()) == false)
continue;
-
+
Size++;
if (Res != 0)
*End++ = I.OwnerVer();
}
}
/*}}}*/
+// DepIterator::IsIgnorable - should this packag/providr be ignored? /*{{{*/
+// ---------------------------------------------------------------------
+/* Deps like self-conflicts should be ignored as well as implicit conflicts
+ on virtual packages. */
+bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &Pkg) const
+{
+ if (ParentPkg() == TargetPkg())
+ return IsNegative();
+
+ return false;
+}
+bool pkgCache::DepIterator::IsIgnorable(PrvIterator const &Prv) const
+{
+ if (IsNegative() == false)
+ return false;
+
+ PkgIterator const Pkg = ParentPkg();
+ /* Provides may never be applied against the same package (or group)
+ if it is a conflicts. See the comment above. */
+ 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)
+ 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 &&
+ (S->Type == pkgCache::Dep::Replaces ||
+ S->Type == pkgCache::Dep::DpkgBreaks ||
+ S->Type == pkgCache::Dep::Conflicts))
+ return true;
+ return false;
+}
+ /*}}}*/
// ostream operator to handle string representation of a dependecy /*{{{*/
// ---------------------------------------------------------------------
/* */
-std::ostream& operator<<(ostream& out, pkgCache::DepIterator D)
+std::ostream& operator<<(std::ostream& out, pkgCache::DepIterator D)
{
if (D.end() == true)
return out << "invalid dependency";
/* Start at A and look for B. If B is found then A > B otherwise
B was before A so A < B */
VerIterator I = *this;
- for (;I.end() == false; I++)
+ for (;I.end() == false; ++I)
if (I == B)
return 1;
return -1;
bool pkgCache::VerIterator::Downloadable() const
{
VerFileIterator Files = FileList();
- for (; Files.end() == false; Files++)
+ for (; Files.end() == false; ++Files)
if ((Files.File()->Flags & pkgCache::Flag::NotSource) != pkgCache::Flag::NotSource)
return true;
return false;
bool pkgCache::VerIterator::Automatic() const
{
VerFileIterator Files = FileList();
- for (; Files.end() == false; Files++)
+ 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;
}
/*}}}*/
-// VerIterator::Pseudo - deprecated no-op method /*{{{*/
-bool pkgCache::VerIterator::Pseudo() const { return false; }
- /*}}}*/
// VerIterator::NewestFile - Return the newest file version relation /*{{{*/
// ---------------------------------------------------------------------
/* This looks at the version numbers associated with all of the sources
{
VerFileIterator Files = FileList();
VerFileIterator Highest = Files;
- for (; Files.end() == false; Files++)
+ for (; Files.end() == false; ++Files)
{
if (Owner->VS->CmpReleaseVer(Files.File().Version(),Highest.File().Version()) > 0)
Highest = Files;
{
bool First = true;
string Res;
- for (pkgCache::VerFileIterator I = this->FileList(); I.end() == false; I++)
+ for (pkgCache::VerFileIterator I = this->FileList(); I.end() == false; ++I)
{
// Do not print 'not source' entries'
pkgCache::PkgFileIterator File = I.File();
// See if we have already printed this out..
bool Seen = false;
- for (pkgCache::VerFileIterator J = this->FileList(); I != J; J++)
+ for (pkgCache::VerFileIterator J = this->FileList(); I != J; ++J)
{
pkgCache::PkgFileIterator File2 = J.File();
if (File2->Label == 0 || File->Label == 0)
{
std::vector<string> const lang = APT::Configuration::getLanguages();
for (std::vector<string>::const_iterator l = lang.begin();
- l != lang.end(); l++)
+ l != lang.end(); ++l)
{
pkgCache::DescIterator Desc = DescriptionList();
for (; Desc.end() == false; ++Desc)
- if (*l == Desc.LanguageCode() ||
- (*l == "en" && strcmp(Desc.LanguageCode(),"") == 0))
+ if (*l == Desc.LanguageCode())
break;
if (Desc.end() == true)
- continue;
+ {
+ if (*l == "en")
+ {
+ Desc = DescriptionList();
+ for (; Desc.end() == false; ++Desc)
+ if (strcmp(Desc.LanguageCode(), "") == 0)
+ break;
+ if (Desc.end() == true)
+ continue;
+ }
+ else
+ continue;
+ }
return Desc;
}
for (pkgCache::DescIterator Desc = DescriptionList();
};
/*}}}*/
+// 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->Name == Parent->Name)
+ return true;
+ return false;
+}
+ /*}}}*/
projects / apt.git / blobdiff