refactor dpkg execution in deb/debsystem

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

diff --git a/apt-pkg/orderlist.cc b/apt-pkg/orderlist.cc
index 21b5fc4e70aef5705273fb0c8aa291a72fd311be..a61c2b06aa4d02472e381fd13bda546b92453e5f 100644 (file)
--- a/apt-pkg/orderlist.cc
+++ b/apt-pkg/orderlist.cc
@@ -68,21 +68,22 @@
 #include <apt-pkg/orderlist.h>
 #include <apt-pkg/depcache.h>
 #include <apt-pkg/error.h>
-#include <apt-pkg/version.h>
-#include <apt-pkg/sptr.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
 
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
 #include <iostream>
                                                                        /*}}}*/
 
 using namespace std;
 
-pkgOrderList *pkgOrderList::Me = 0;
-
 // OrderList::pkgOrderList - Constructor                               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-pkgOrderList::pkgOrderList(pkgDepCache *pCache) : Cache(*pCache),
+pkgOrderList::pkgOrderList(pkgDepCache *pCache) : d(NULL), Cache(*pCache),
                                                  Primary(NULL), Secondary(NULL),
                                                  RevDepends(NULL), Remove(NULL),
                                                  AfterEnd(NULL), FileList(NULL),
@@ -138,9 +139,9 @@ bool pkgOrderList::DoRun()
 {   
    // Temp list
    unsigned long Size = Cache.Head().PackageCount;
-   SPtrArray<Package *> NList = new Package *[Size];
-   SPtrArray<Package *> AfterList = new Package *[Size];
-   AfterEnd = AfterList;
+   std::unique_ptr<Package *[]> NList(new Package *[Size]);
+   std::unique_ptr<Package *[]> AfterList(new Package *[Size]);
+   AfterEnd = AfterList.get();
    
    Depth = 0;
    WipeFlags(Added | AddPending | Loop | InList);
@@ -150,7 +151,7 @@ bool pkgOrderList::DoRun()
 
    // Rebuild the main list into the temp list.
    iterator OldEnd = End;
-   End = NList;
+   End = NList.get();
    for (iterator I = List; I != OldEnd; ++I)
       if (VisitNode(PkgIterator(Cache,*I), "DoRun") == false)
       {
@@ -159,12 +160,12 @@ bool pkgOrderList::DoRun()
       }
    
    // Copy the after list to the end of the main list
-   for (Package **I = AfterList; I != AfterEnd; I++)
+   for (Package **I = AfterList.get(); I != AfterEnd; I++)
       *End++ = *I;
    
    // Swap the main list to the new list
    delete [] List;
-   List = NList.UnGuard();
+   List = NList.release();
    return true;
 }
                                                                        /*}}}*/
@@ -184,8 +185,7 @@ bool pkgOrderList::OrderCritical()
    LoopCount = 0;
 
    // Sort
-   Me = this;
-   qsort(List,End - List,sizeof(*List),&OrderCompareB);
+   std::sort(List,End, [this](Package *a, Package *b) { return OrderCompareB(a, b) < 0; } );
 
    if (DoRun() == false)
       return false;
@@ -237,8 +237,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
    LoopCount = -1;
 
    // Sort
-   Me = this;
-   qsort(List,End - List,sizeof(*List),&OrderCompareA);
+   std::sort(List,End, [this](Package *a, Package *b) { return OrderCompareA(a, b) < 0; });
 
    if (Debug == true)
       clog << "** Pass A" << endl;
@@ -255,7 +254,7 @@ bool pkgOrderList::OrderUnpack(string *FileList)
       clog << "** Pass C" << endl;
    LoopCount = 0;
    RevDepends = 0;
-   Remove = 0;             // Otherwise the libreadline remove problem occures
+   Remove = 0;             // Otherwise the libreadline remove problem occurs
    if (DoRun() == false)
       return false;
 
@@ -380,21 +379,21 @@ static int BoolCompare(bool A,bool B)
 // ---------------------------------------------------------------------
 /* This provides a first-pass sort of the list and gives a decent starting
     point for further complete ordering. It is used by OrderUnpack only */
-int pkgOrderList::OrderCompareA(const void *a, const void *b)
+int pkgOrderList::OrderCompareA(Package *a, Package *b)
 {
-   PkgIterator A(Me->Cache,*(Package **)a);
-   PkgIterator B(Me->Cache,*(Package **)b);
+   PkgIterator A(Cache,a);
+   PkgIterator B(Cache,b);
 
    // We order packages with a set state toward the front
    int Res;
-   if ((Res = BoolCompare(Me->IsNow(A),Me->IsNow(B))) != 0)
+   if ((Res = BoolCompare(IsNow(A),IsNow(B))) != 0)
       return -1*Res;
    
    // We order missing files to toward the end
-/*   if (Me->FileList != 0)
+/*   if (FileList != 0)
    {
-      if ((Res = BoolCompare(Me->IsMissing(A),
-                            Me->IsMissing(B))) != 0)
+      if ((Res = BoolCompare(IsMissing(A),
+                            IsMissing(B))) != 0)
         return Res;
    }*/
    
@@ -406,8 +405,8 @@ int pkgOrderList::OrderCompareA(const void *a, const void *b)
        B.State() != pkgCache::PkgIterator::NeedsNothing)
       return 1;
    
-   int ScoreA = Me->Score(A);
-   int ScoreB = Me->Score(B);
+   int ScoreA = Score(A);
+   int ScoreB = Score(B);
 
    if (ScoreA > ScoreB)
       return -1;
@@ -422,10 +421,10 @@ int pkgOrderList::OrderCompareA(const void *a, const void *b)
 // ---------------------------------------------------------------------
 /* This orders by installation source. This is useful to handle
    inter-source breaks */
-int pkgOrderList::OrderCompareB(const void *a, const void *b)
+int pkgOrderList::OrderCompareB(Package *a, Package *b)
 {
-   PkgIterator A(Me->Cache,*(Package **)a);
-   PkgIterator B(Me->Cache,*(Package **)b);
+   PkgIterator A(Cache,a);
+   PkgIterator B(Cache,b);
 
    if (A.State() != pkgCache::PkgIterator::NeedsNothing && 
        B.State() == pkgCache::PkgIterator::NeedsNothing)
@@ -435,7 +434,7 @@ int pkgOrderList::OrderCompareB(const void *a, const void *b)
        B.State() != pkgCache::PkgIterator::NeedsNothing)
       return 1;
    
-   int F = Me->FileCmp(A,B);
+   int F = FileCmp(A,B);
    if (F != 0)
    {
       if (F > 0)
@@ -443,8 +442,8 @@ int pkgOrderList::OrderCompareB(const void *a, const void *b)
       return 1;
    }
    
-   int ScoreA = Me->Score(A);
-   int ScoreB = Me->Score(B);
+   int ScoreA = Score(A);
+   int ScoreB = Score(B);
 
    if (ScoreA > ScoreB)
       return -1;
@@ -508,8 +507,8 @@ bool pkgOrderList::VisitRProvides(DepFunc F,VerIterator Ver)
    against it! */
 bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
 {
-   SPtrArray<Version *> List = D.AllTargets();
-   for (Version **I = List; *I != 0; ++I)
+   std::unique_ptr<Version *[]> List(D.AllTargets());
+   for (Version **I = List.get(); *I != 0; ++I)
    {
       VerIterator Ver(Cache,*I);
       PkgIterator Pkg = Ver.ParentPkg();
@@ -537,7 +536,7 @@ bool pkgOrderList::VisitProvides(DepIterator D,bool Critical)
    }
    if (D.IsNegative() == false)
       return true;
-   for (Version **I = List; *I != 0; ++I)
+   for (Version **I = List.get(); *I != 0; ++I)
    {
       VerIterator Ver(Cache,*I);
       PkgIterator Pkg = Ver.ParentPkg();
@@ -1071,9 +1070,9 @@ void pkgOrderList::WipeFlags(unsigned long F)
    this fails to produce a suitable result. */
 bool pkgOrderList::CheckDep(DepIterator D)
 {
-   SPtrArray<Version *> List = D.AllTargets();
+   std::unique_ptr<Version *[]> List(D.AllTargets());
    bool Hit = false;
-   for (Version **I = List; *I != 0; I++)
+   for (Version **I = List.get(); *I != 0; I++)
    {
       VerIterator Ver(Cache,*I);
       PkgIterator Pkg = Ver.ParentPkg();