// Include files /*{{{*/ #include<config.h> #include <apt-pkg/algorithms.h> #include <apt-pkg/upgrade.h> #include <apt-pkg/error.h> #include <apt-pkg/configuration.h> #include <apt-pkg/depcache.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/cacheiterators.h> #include <apt-private/private-output.h> #include <apt-private/private-cachefile.h> #include <string.h> #include <ostream> #include <cstdlib> #include <apti18n.h> /*}}}*/ using namespace std; // CacheFile::NameComp - QSort compare by name /*{{{*/ // --------------------------------------------------------------------- /* */ pkgCache *CacheFile::SortCache = 0; int CacheFile::NameComp(const void *a,const void *b) { if (*(pkgCache::Package **)a == 0 || *(pkgCache::Package **)b == 0) return *(pkgCache::Package **)a - *(pkgCache::Package **)b; const pkgCache::Package &A = **(pkgCache::Package **)a; const pkgCache::Package &B = **(pkgCache::Package **)b; const pkgCache::Group * const GA = SortCache->GrpP + A.Group; const pkgCache::Group * const GB = SortCache->GrpP + B.Group; return strcmp(SortCache->StrP + GA->Name,SortCache->StrP + GB->Name); } /*}}}*/ // CacheFile::Sort - Sort by name /*{{{*/ // --------------------------------------------------------------------- /* */ void CacheFile::Sort() { delete [] List; List = new pkgCache::Package *[Cache->Head().PackageCount]; memset(List,0,sizeof(*List)*Cache->Head().PackageCount); pkgCache::PkgIterator I = Cache->PkgBegin(); for (;I.end() != true; ++I) List[I->ID] = I; SortCache = *this; qsort(List,Cache->Head().PackageCount,sizeof(*List),NameComp); } /*}}}*/ // CacheFile::CheckDeps - Open the cache file /*{{{*/ // --------------------------------------------------------------------- /* This routine generates the caches and then opens the dependency cache and verifies that the system is OK. */ bool CacheFile::CheckDeps(bool AllowBroken) { bool FixBroken = _config->FindB("APT::Get::Fix-Broken",false); if (_error->PendingError() == true) return false; // Check that the system is OK if (DCache->DelCount() != 0 || DCache->InstCount() != 0) return _error->Error("Internal error, non-zero counts"); // Apply corrections for half-installed packages if (pkgApplyStatus(*DCache) == false) return false; if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true) { FixBroken = true; if ((DCache->PolicyBrokenCount() > 0)) { // upgrade all policy-broken packages with ForceImportantDeps=True for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); ++I) if ((*DCache)[I].NowPolicyBroken() == true) DCache->MarkInstall(I,true,0, false, true); } } // Nothing is broken if (DCache->BrokenCount() == 0 || AllowBroken == true) return true; // Attempt to fix broken things if (FixBroken == true) { c1out << _("Correcting dependencies...") << flush; if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0) { c1out << _(" failed.") << endl; ShowBroken(c1out,*this,true); return _error->Error(_("Unable to correct dependencies")); } if (pkgMinimizeUpgrade(*DCache) == false) return _error->Error(_("Unable to minimize the upgrade set")); c1out << _(" Done") << endl; } else { c1out << _("You might want to run 'apt-get -f install' to correct these.") << endl; ShowBroken(c1out,*this,true); return _error->Error(_("Unmet dependencies. Try using -f.")); } return true; } /*}}}*/