diff options
Diffstat (limited to 'apt-pkg/algorithms.cc')
-rw-r--r-- | apt-pkg/algorithms.cc | 81 |
1 files changed, 44 insertions, 37 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 6d982c551..7ddbb9d44 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -34,8 +34,6 @@ /*}}}*/ using namespace std; -pkgProblemResolver *pkgProblemResolver::This = 0; - // Simulate::Simulate - Constructor /*{{{*/ // --------------------------------------------------------------------- /* The legacy translations here of input Pkg iterators is obsolete, @@ -360,13 +358,11 @@ pkgProblemResolver::~pkgProblemResolver() // ProblemResolver::ScoreSort - Sort the list by score /*{{{*/ // --------------------------------------------------------------------- /* */ -int pkgProblemResolver::ScoreSort(const void *a,const void *b) +int pkgProblemResolver::ScoreSort(Package const *A,Package const *B) { - Package const **A = (Package const **)a; - Package const **B = (Package const **)b; - if (This->Scores[(*A)->ID] > This->Scores[(*B)->ID]) + if (Scores[A->ID] > Scores[B->ID]) return -1; - if (This->Scores[(*A)->ID] < This->Scores[(*B)->ID]) + if (Scores[A->ID] < Scores[B->ID]) return 1; return 0; } @@ -704,8 +700,8 @@ bool pkgProblemResolver::ResolveInternal(bool const BrokenFix) pkgCache::Package **PEnd = PList.get(); for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) *PEnd++ = I; - This = this; - qsort(PList.get(),PEnd - PList.get(),sizeof(PList[0]),&ScoreSort); + + std::sort(PList.get(), PEnd, [this](Package *a, Package *b) { return ScoreSort(a, b) < 0; }); if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true) { @@ -1163,8 +1159,9 @@ bool pkgProblemResolver::ResolveByKeepInternal() pkgCache::Package **PEnd = PList; for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) *PEnd++ = I; - This = this; - qsort(PList,PEnd - PList,sizeof(*PList),&ScoreSort); + + std::sort(PList,PEnd,[this](Package *a, Package *b) { return ScoreSort(a, b) < 0; }); + if (_config->FindB("Debug::pkgProblemResolver::ShowScores",false) == true) { @@ -1314,36 +1311,46 @@ void pkgProblemResolver::InstallProtect() // --------------------------------------------------------------------- /* This is ment to be used in conjunction with AllTargets to get a list of versions ordered by preference. */ -static pkgCache *PrioCache; -static int PrioComp(const void *A,const void *B) -{ - pkgCache::VerIterator L(*PrioCache,*(pkgCache::Version **)A); - pkgCache::VerIterator R(*PrioCache,*(pkgCache::Version **)B); - - if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential && - (R.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential) - return 1; - if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential && - (R.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) - return -1; - - if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important && - (R.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important) - return 1; - if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important && - (R.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) - return -1; - - if (L->Priority != R->Priority) - return R->Priority - L->Priority; - return strcmp(L.ParentPkg().Name(),R.ParentPkg().Name()); -} + +struct PrioComp { + pkgCache &PrioCache; + + PrioComp(pkgCache &PrioCache) : PrioCache(PrioCache) { + } + + bool operator() (pkgCache::Version * const &A, pkgCache::Version * const &B) { + return compare(A, B) < 0; + } + + int compare(pkgCache::Version * const &A, pkgCache::Version * const &B) { + pkgCache::VerIterator L(PrioCache,A); + pkgCache::VerIterator R(PrioCache,B); + + if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential && + (R.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential) + return 1; + if ((L.ParentPkg()->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential && + (R.ParentPkg()->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) + return -1; + + if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important && + (R.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important) + return 1; + if ((L.ParentPkg()->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important && + (R.ParentPkg()->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) + return -1; + + if (L->Priority != R->Priority) + return R->Priority - L->Priority; + return strcmp(L.ParentPkg().Name(),R.ParentPkg().Name()); + } +}; + void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List) { unsigned long Count = 0; - PrioCache = &Cache; for (pkgCache::Version **I = List; *I != 0; I++) Count++; - qsort(List,Count,sizeof(*List),PrioComp); + std::sort(List,List+Count,PrioComp(Cache)); } /*}}}*/ |