Remove SharedPtr, it's not used and will be never used, we use C++11

src/treegen.cpp

@@ -57,7 +57,6 @@ void make_tree(MMVManip &vmanip, v3s16 p0,
 	p1.Y -= 1;
 
 	VoxelArea leaves_a(v3s16(-2, -1, -2), v3s16(2, 2, 2));
-	//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
 	Buffer<u8> leaves_d(leaves_a.getVolume());
 	for (s32 i = 0; i < leaves_a.getVolume(); i++)
 		leaves_d[i] = 0;
@@ -780,7 +779,6 @@ void make_pine_tree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, s32 seed)
 	p1.Y -= 1;
 
 	VoxelArea leaves_a(v3s16(-3, -6, -3), v3s16(3, 3, 3));
-	//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
 	Buffer<u8> leaves_d(leaves_a.getVolume());
 	for (s32 i = 0; i < leaves_a.getVolume(); i++)
 		leaves_d[i] = 0;

src/util/pointer.h

@@ -24,80 +24,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "../debug.h" // For assert()
 #include <cstring>
 
-template <typename T>
-class SharedPtr
-{
-public:
-	SharedPtr(T *t=NULL)
-	{
-		refcount = new int;
-		*refcount = 1;
-		ptr = t;
-	}
-	SharedPtr(SharedPtr<T> &t)
-	{
-		//*this = t;
-		drop();
-		refcount = t.refcount;
-		(*refcount)++;
-		ptr = t.ptr;
-	}
-	~SharedPtr()
-	{
-		drop();
-	}
-	SharedPtr<T> & operator=(T *t)
-	{
-		drop();
-		refcount = new int;
-		*refcount = 1;
-		ptr = t;
-		return *this;
-	}
-	SharedPtr<T> & operator=(SharedPtr<T> &t)
-	{
-		drop();
-		refcount = t.refcount;
-		(*refcount)++;
-		ptr = t.ptr;
-		return *this;
-	}
-	T* operator->()
-	{
-		return ptr;
-	}
-	T & operator*()
-	{
-		return *ptr;
-	}
-	bool operator!=(T *t)
-	{
-		return ptr != t;
-	}
-	bool operator==(T *t)
-	{
-		return ptr == t;
-	}
-	T & operator[](unsigned int i)
-	{
-		return ptr[i];
-	}
-private:
-	void drop()
-	{
-		assert((*refcount) > 0);
-		(*refcount)--;
-		if(*refcount == 0)
-		{
-			delete refcount;
-			if(ptr != NULL)
-				delete ptr;
-		}
-	}
-	T *ptr;
-	int *refcount;
-};
-
 template <typename T>
 class Buffer
 {