Reworked source tree so it compiles

code/qcommon/safeptr.h

@@ -0,0 +1,246 @@
+/*
+===========================================================================
+Copyright (C) 2008 the OpenMoHAA team
+
+This file is part of OpenMoHAA source code.
+
+OpenMoHAA source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+OpenMoHAA source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with OpenMoHAA source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+// safeptr.h: Safe Pointers
+
+#ifndef __SAFEPTR_H__
+#define __SAFEPTR_H__
+
+#include "linklist.h"
+
+class SafePtrBase
+{
+private:
+	void	AddReference( Class *ptr );
+	void	RemoveReference( Class *ptr );
+
+protected:
+	SafePtrBase	*prev;
+	SafePtrBase	*next;
+	Class		*ptr;
+
+public:
+	SafePtrBase();
+	virtual		~SafePtrBase();
+	void		InitSafePtr( Class *newptr );
+	Class		*Pointer( void );
+	void		Clear( void );
+};
+
+inline void SafePtrBase::AddReference( Class *ptr )
+{
+	if( !ptr->SafePtrList )
+	{
+		ptr->SafePtrList = this;
+		LL_Reset( this, next, prev );
+	}
+	else
+	{
+		LL_Add( ptr->SafePtrList, this, next, prev );
+	}
+}
+
+inline void SafePtrBase::RemoveReference( Class *ptr )
+{
+	if( ptr->SafePtrList == this )
+	{
+		if( ptr->SafePtrList->next == this )
+		{
+			ptr->SafePtrList = nullptr;
+		}
+		else
+		{
+			ptr->SafePtrList = next;
+			LL_Remove( this, next, prev );
+		}
+	}
+	else
+	{
+		LL_Remove( this, next, prev );
+	}
+}
+
+inline void SafePtrBase::Clear( void )
+{
+	if( ptr )
+	{
+		RemoveReference( ptr );
+		ptr = nullptr;
+	}
+}
+
+inline SafePtrBase::SafePtrBase()
+{
+	prev = nullptr;
+	next = nullptr;
+	ptr = nullptr;
+}
+
+inline SafePtrBase::~SafePtrBase()
+{
+	Clear();
+}
+
+inline Class * SafePtrBase::Pointer( void )
+{
+	return ptr;
+}
+
+inline void SafePtrBase::InitSafePtr( Class *newptr )
+{
+	if( ptr != newptr )
+	{
+		if( ptr )
+		{
+			RemoveReference( ptr );
+		}
+
+		ptr = newptr;
+		if( ptr == nullptr )
+		{
+			return;
+		}
+
+		AddReference( ptr );
+	}
+}
+
+template<class T>
+class SafePtr : public SafePtrBase
+{
+public:
+	SafePtr( T* objptr = 0 );
+	SafePtr( const SafePtr& obj );
+
+	SafePtr& operator=( const SafePtr& obj );
+	SafePtr& operator=( T * const obj );
+
+#ifdef LINUX
+	friend bool operator==<>( SafePtr<T> a, T *b );
+	friend bool operator!=<>( SafePtr<T> a, T *b );
+	friend bool operator==<>( T *a, SafePtr<T> b );
+	friend bool operator!=<>( T *a, SafePtr<T> b );
+	friend bool operator==<>( SafePtr<T> a, SafePtr<T> b );
+	friend bool operator!=<>( SafePtr<T> a, SafePtr<T> b );
+#else
+	// The compiler/linker gets confused when the friend functions definition are not templated
+	template< class U > friend bool operator==( SafePtr<U> a, U *b );
+	template< class U > friend bool operator!=( SafePtr<U> a, U *b );
+	template< class U > friend bool operator==( U *a, SafePtr<U> b );
+	template< class U > friend bool operator!=( U *a, SafePtr<U> b );
+	template< class U > friend bool operator==( SafePtr<U> a, SafePtr<U> b );
+	template< class U > friend bool operator!=( SafePtr<U> a, SafePtr<U> b );
+#endif
+
+	bool operator !( ) const;
+	operator T*( ) const;
+	T* operator->( ) const;
+	T& operator*( ) const;
+};
+
+template<class T>
+inline SafePtr<T>::SafePtr( T* objptr )
+{
+	InitSafePtr( ( Class * )objptr );
+}
+
+template<class T>
+inline SafePtr<T>::SafePtr( const SafePtr& obj )
+{
+	InitSafePtr( obj.ptr );
+}
+
+template<class T>
+inline SafePtr<T>& SafePtr<T>::operator=( const SafePtr& obj )
+{
+	InitSafePtr( obj.ptr );
+	return *this;
+}
+
+template<class T>
+inline SafePtr<T>& SafePtr<T>::operator=( T * const obj )
+{
+	InitSafePtr( obj );
+	return *this;
+}
+
+template<class T>
+inline bool operator==( SafePtr<T> a, T *b )
+{
+	return a.ptr == b;
+}
+
+template<class T>
+inline bool operator!=( SafePtr<T> a, T* b )
+{
+	return a.ptr != b;
+}
+
+template<class T>
+inline bool operator==( T* a, SafePtr<T> b )
+{
+	return a == b.ptr;
+}
+
+template<class T>
+inline bool operator!=( T* a, SafePtr<T> b )
+{
+	return a != b.ptr;
+}
+
+template<class T>
+inline bool operator==( SafePtr<T> a, SafePtr<T> b )
+{
+	return a.ptr == b.ptr;
+}
+
+template<class T>
+inline bool operator!=( SafePtr<T> a, SafePtr<T> b )
+{
+	return a.ptr != b.ptr;
+}
+
+template<class T>
+inline bool SafePtr<T>::operator !( ) const
+{
+	return ptr == nullptr;
+}
+
+template<class T>
+inline SafePtr<T>::operator T*( ) const
+{
+	return ( T * )ptr;
+}
+
+template<class T>
+inline T* SafePtr<T>::operator->( ) const
+{
+	return ( T * )ptr;
+}
+
+template<class T>
+inline T& SafePtr<T>::operator*( ) const
+{
+	return *( T * )ptr;
+}
+
+#endif