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thirdparty/ode-0.16.5/OPCODE/Ice/IceMemoryMacros.h

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+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *	Contains all memory macros.
+ *	\file		IceMemoryMacros.h
+ *	\author		Pierre Terdiman
+ *	\date		April, 4, 2000
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Include Guard
+#ifndef __ICEMEMORYMACROS_H__
+#define __ICEMEMORYMACROS_H__
+
+#undef ZeroMemory
+#undef CopyMemory
+#undef MoveMemory
+#undef FillMemory
+
+	//!	Clears a buffer.
+	//!	\param		addr	[in] buffer address
+	//!	\param		size	[in] buffer length
+	//!	\see		FillMemory
+	//!	\see		StoreDwords
+	//!	\see		CopyMemory
+	//!	\see		MoveMemory
+	inline_ void ZeroMemory(void* addr, udword size)					{ memset(addr, 0, size);		}
+
+	//!	Fills a buffer with a given byte.
+	//!	\param		addr	[in] buffer address
+	//!	\param		size	[in] buffer length
+	//!	\param		val		[in] the byte value
+	//!	\see		StoreDwords
+	//!	\see		ZeroMemory
+	//!	\see		CopyMemory
+	//!	\see		MoveMemory
+	inline_ void FillMemory(void* dest, udword size, ubyte val)			{ memset(dest, val, size);		}
+
+	//!	Fills a buffer with a given dword.
+	//!	\param		addr	[in] buffer address
+	//!	\param		nb		[in] number of dwords to write
+	//!	\param		value	[in] the dword value
+	//!	\see		FillMemory
+	//!	\see		ZeroMemory
+	//!	\see		CopyMemory
+	//!	\see		MoveMemory
+	//!	\warning	writes nb*4 bytes !
+	inline_ void StoreDwords(udword* dest, udword nb, udword value)
+	{
+		while(nb--) *dest++ = value;
+	}
+
+	//!	Copies a buffer.
+	//!	\param		addr	[in] destination buffer address
+	//!	\param		addr	[in] source buffer address
+	//!	\param		size	[in] buffer length
+	//!	\see		ZeroMemory
+	//!	\see		FillMemory
+	//!	\see		StoreDwords
+	//!	\see		MoveMemory
+	inline_ void CopyMemory(void* dest, const void* src, udword size)	{ memcpy(dest, src, size);		}
+
+	//!	Moves a buffer.
+	//!	\param		addr	[in] destination buffer address
+	//!	\param		addr	[in] source buffer address
+	//!	\param		size	[in] buffer length
+	//!	\see		ZeroMemory
+	//!	\see		FillMemory
+	//!	\see		StoreDwords
+	//!	\see		CopyMemory
+	inline_ void MoveMemory(void* dest, const void* src, udword size)	{ memmove(dest, src, size);		}
+
+	#define SIZEOFOBJECT		sizeof(*this)									//!< Gives the size of current object. Avoid some mistakes (e.g. "sizeof(this)").
+	//#define CLEAROBJECT		{ memset(this, 0, SIZEOFOBJECT);	}			//!< Clears current object. Laziness is my business. HANDLE WITH CARE.
+	#define DELETESINGLE(x)		if (x) { delete x;				x = null; }		//!< Deletes an instance of a class.
+	#define DELETEARRAY(x)		if (x) { delete []x;			x = null; }		//!< Deletes an array.
+	#define SAFE_RELEASE(x)		if (x) { (x)->Release();		(x) = null; }	//!< Safe D3D-style release
+	#define SAFE_DESTRUCT(x)	if (x) { (x)->SelfDestruct();	(x) = null; }	//!< Safe ICE-style release
+
+#ifdef __ICEERROR_H__
+	#define CHECKALLOC(x)		if(!x) return SetIceError("Out of memory.", EC_OUT_OF_MEMORY);	//!< Standard alloc checking. HANDLE WITH CARE.
+#else
+	#define CHECKALLOC(x)		if(!x) return false;
+#endif
+
+#endif // __ICEMEMORYMACROS_H__