Mark SPtr as deprecated, and convert users to std::unique_ptr

Switch to std::unique_ptr, as this is safer than SPtr.

apt-pkg/contrib/sptr.h

@@ -22,7 +22,7 @@
 #define SMART_POINTER_H
 
 template <class T>
-class SPtr
+class APT_DEPRECATED SPtr
 {
    public:
    T *Ptr;

apt-pkg/pkgcachegen.cc

@@ -1250,8 +1250,8 @@ static bool CheckValidity(const string &CacheFile,
 
    // Map it
    FileFd CacheF(CacheFile,FileFd::ReadOnly);
-   SPtr<MMap> Map = new MMap(CacheF,0);
-   pkgCache Cache(Map);
+   std::unique_ptr<MMap> Map(new MMap(CacheF,0));
+   pkgCache Cache(Map.get());
    if (_error->PendingError() == true || Map->Size() == 0)
    {
       if (Debug == true)
@@ -1342,7 +1342,7 @@ static bool CheckValidity(const string &CacheFile,
    }
    
    if (OutMap != 0)
-      *OutMap = Map.UnGuard();
+      *OutMap = Map.release();
    return true;
 }
 									/*}}}*/
@@ -1483,16 +1483,16 @@ static bool writeBackMMapToFile(pkgCacheGenerator * const Gen, DynamicMMap * con
    return true;
 }
 static bool loadBackMMapFromFile(std::unique_ptr<pkgCacheGenerator> &Gen,
-      SPtr<DynamicMMap> &Map, OpProgress * const Progress, std::string const &FileName)
+      std::unique_ptr<DynamicMMap> &Map, OpProgress * const Progress, std::string const &FileName)
 {
-   Map = CreateDynamicMMap(NULL, 0);
+   Map.reset(CreateDynamicMMap(NULL, 0));
    FileFd CacheF(FileName, FileFd::ReadOnly);
    map_pointer_t const alloc = Map->RawAllocate(CacheF.Size());
    if ((alloc == 0 && _error->PendingError())
 	 || CacheF.Read((unsigned char *)Map->Data() + alloc,
 	    CacheF.Size()) == false)
       return false;
-   Gen.reset(new pkgCacheGenerator(Map.Get(),Progress));
+   Gen.reset(new pkgCacheGenerator(Map.get(),Progress));
    return true;
 }
 APT_DEPRECATED bool pkgMakeStatusCache(pkgSourceList &List,OpProgress &Progress,
@@ -1578,7 +1578,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
    }
 
    // At this point we know we need to construct something, so get storage ready
-   SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL, 0);
+   std::unique_ptr<DynamicMMap> Map(CreateDynamicMMap(NULL, 0));
    if (Debug == true)
       std::clog << "Open memory Map (not filebased)" << std::endl;
 
@@ -1599,7 +1599,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
    {
       if (Debug == true)
 	 std::clog << "srcpkgcache.bin is NOT valid - rebuild" << std::endl;
-      Gen.reset(new pkgCacheGenerator(Map.Get(),Progress));
+      Gen.reset(new pkgCacheGenerator(Map.get(),Progress));
 
       TotalSize += ComputeSize(&List, Files.begin(),Files.end());
       if (BuildCache(*Gen, Progress, CurrentSize, TotalSize, &List,
@@ -1607,7 +1607,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
 	 return false;
 
       if (Writeable == true && SrcCacheFile.empty() == false)
-	 if (writeBackMMapToFile(Gen.get(), Map.Get(), SrcCacheFile) == false)
+	 if (writeBackMMapToFile(Gen.get(), Map.get(), SrcCacheFile) == false)
 	    return false;
    }
 
@@ -1620,7 +1620,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
 	 return false;
 
       if (Writeable == true && CacheFile.empty() == false)
-	 if (writeBackMMapToFile(Gen.get(), Map.Get(), CacheFile) == false)
+	 if (writeBackMMapToFile(Gen.get(), Map.get(), CacheFile) == false)
 	    return false;
    }
 
@@ -1644,7 +1644,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
    }
 
    if (OutMap != nullptr)
-      *OutMap = Map.UnGuard();
+      *OutMap = Map.release();
 
    if (Debug == true)
       std::clog << "Everything is ready for shipping" << std::endl;
@@ -1662,7 +1662,7 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O
    if (_system->AddStatusFiles(Files) == false)
       return false;
 
-   SPtr<DynamicMMap> Map = CreateDynamicMMap(NULL, 0);
+   std::unique_ptr<DynamicMMap> Map(CreateDynamicMMap(NULL, 0));
    map_filesize_t CurrentSize = 0;
    map_filesize_t TotalSize = 0;
    
@@ -1671,7 +1671,7 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O
    // Build the status cache
    if (Progress != NULL)
       Progress->OverallProgress(0,1,1,_("Reading package lists"));
-   pkgCacheGenerator Gen(Map.Get(),Progress);
+   pkgCacheGenerator Gen(Map.get(),Progress);
    if (_error->PendingError() == true)
       return false;
    if (BuildCache(Gen,Progress,CurrentSize,TotalSize, NULL,
@@ -1680,7 +1680,7 @@ bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **O
 
    if (_error->PendingError() == true)
       return false;
-   *OutMap = Map.UnGuard();
+   *OutMap = Map.release();
    
    return true;
 }

apt-private/private-install.cc

@@ -128,7 +128,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask, bool Safety)
    pkgSourceList *List = Cache.GetSourceList();
    
    // Create the package manager and prepare to download
-   SPtr<pkgPackageManager> PM= _system->CreatePM(Cache);
+   std::unique_ptr<pkgPackageManager> PM(_system->CreatePM(Cache));
    if (PM->GetArchives(&Fetcher,List,&Recs) == false || 
        _error->PendingError() == true)
       return false;
@@ -492,9 +492,9 @@ bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, CacheFile &Cache,
    if (Cache->BrokenCount() != 0)
       BrokenFix = true;
 
-   SPtr<pkgProblemResolver> Fix;
+   std::unique_ptr<pkgProblemResolver> Fix(nullptr);
    if (_config->FindB("APT::Get::CallResolver", true) == true)
-      Fix = new pkgProblemResolver(Cache);
+      Fix.reset(new pkgProblemResolver(Cache));
 
    unsigned short fallback = MOD_INSTALL;
    if (strcasecmp(CmdL.FileList[0],"remove") == 0)
@@ -526,8 +526,8 @@ bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, CacheFile &Cache,
    }
 
 
-  TryToInstall InstallAction(Cache, Fix, BrokenFix);
-  TryToRemove RemoveAction(Cache, Fix);
+  TryToInstall InstallAction(Cache, Fix.get(), BrokenFix);
+  TryToRemove RemoveAction(Cache, Fix.get());
 
    // new scope for the ActionGroup
    {

cmdline/apt-get.cc

@@ -1000,7 +1000,7 @@ static bool DoBuildDep(CommandLine &CmdL)
    {
       string Src;
       pkgSrcRecords::Parser *Last = 0;
-      SPtr<pkgSrcRecords::Parser> LastOwner;
+      std::unique_ptr<pkgSrcRecords::Parser> LastOwner;
 
       // an unpacked debian source tree
       using APT::String::Startswith;
@@ -1012,7 +1012,7 @@ static bool DoBuildDep(CommandLine &CmdL)
          std::string TypeName = "Debian control file";
          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)
-            LastOwner = Last = Type->CreateSrcPkgParser(*I);
+            LastOwner.reset(Last = Type->CreateSrcPkgParser(*I));
       }
       // if its a local file (e.g. .dsc) use this
       else if (FileExists(*I))
@@ -1023,7 +1023,7 @@ static bool DoBuildDep(CommandLine &CmdL)
          string TypeName = "Debian " + flExtension(*I) + " file";
          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)
-            LastOwner = Last = Type->CreateSrcPkgParser(*I);
+            LastOwner.reset(Last = Type->CreateSrcPkgParser(*I));
       } else {
          // normal case, search the cache for the source file
 	 Last = FindSrc(*I,SrcRecs,Src,Cache);