Added copy constructor and assignment operator.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21729 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/storage/DiskSystem.h

@@ -15,6 +15,7 @@ struct user_disk_system_info;
 class BDiskSystem {
 public:
 	BDiskSystem();
+	BDiskSystem(const BDiskSystem& other);
 	~BDiskSystem();
 
 	status_t InitCheck() const;
@@ -47,6 +48,8 @@ public:
 	bool IsFileSystem() const;
 	bool IsSubSystemFor(BPartition *parent) const;
 
+	BDiskSystem& operator=(const BDiskSystem& other);
+
 private:
 	status_t _SetTo(disk_system_id id);
 	status_t _SetTo(user_disk_system_info *info);

src/kits/storage/DiskSystem.cpp

@@ -18,6 +18,15 @@ BDiskSystem::BDiskSystem()
 {
 }
 
+// copy constructor
+BDiskSystem::BDiskSystem(const BDiskSystem& other)
+	: fID(other.fID),
+	  fName(other.fName),
+	  fPrettyName(other.fPrettyName),
+	  fFlags(other.fFlags)
+{
+}
+
 // destructor
 BDiskSystem::~BDiskSystem()
 {
@@ -267,6 +276,18 @@ BDiskSystem::IsSubSystemFor(BPartition *parent) const
 											parent->_ChangeCounter()));
 }
 
+// =
+BDiskSystem&
+BDiskSystem::operator=(const BDiskSystem& other)
+{
+	fID = other.fID;
+	fName = other.fName;
+	fPrettyName = other.fPrettyName;
+	fFlags = other.fFlags;
+
+	return *this;
+}
+
 // _SetTo
 status_t
 BDiskSystem::_SetTo(disk_system_id id)