/*

 * Copyright (c) 2001 - 2005 NetGroup, Politecnico di Torino (Italy)

 * Copyright (c) 2005 - 2006 CACE Technologies, Davis (California)

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1. Redistributions of source code must retain the above copyright

 * notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 * notice, this list of conditions and the following disclaimer in the

 * documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the Politecnico di Torino, CACE Technologies 

 * nor the names of its contributors may be used to endorse or promote 

 * products derived from this software without specific prior written 

 * permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 */

#ifndef __memory_t

#define __memory_t

#define		uint8	UCHAR

#define		int8	CHAR

#define		uint16	USHORT

#define		int16	SHORT

#define		uint32	ULONG

#define		int32	LONG

#define		uint64	ULONGLONG

#define		int64	LONGLONG

/*memory type*/

typedef struct __MEM_TYPE

{

	uint8 *buffer;

	uint32 size;

}  MEM_TYPE, *PMEM_TYPE;

#define LONG_AT(base,offset) (*(int32*)((uint8*)base+(uint32)offset))

#define ULONG_AT(base,offset) (*(uint32*)((uint8*)base+(uint32)offset))

#define SHORT_AT(base,offset) (*(int16*)((uint8*)base+(uint32)offset))

#define USHORT_AT(base,offset) (*(uint16*)((uint8*)base+(uint32)offset))

__inline int32 SW_LONG_AT(void *b, uint32 c)

{

	return	((int32)*((uint8 *)b+c)<<24|

		 (int32)*((uint8 *)b+c+1)<<16|

		 (int32)*((uint8 *)b+c+2)<<8|

		 (int32)*((uint8 *)b+c+3)<<0);

}

__inline uint32 SW_ULONG_AT(void *b, uint32 c)

{

	return	((uint32)*((uint8 *)b+c)<<24|

		 (uint32)*((uint8 *)b+c+1)<<16|

		 (uint32)*((uint8 *)b+c+2)<<8|

		 (uint32)*((uint8 *)b+c+3)<<0);

}

__inline int16 SW_SHORT_AT(void *b, uint32 os)

{

	return ((int16)

		((int16)*((uint8 *)b+os+0)<<8|

		 (int16)*((uint8 *)b+os+1)<<0));

}

__inline uint16 SW_USHORT_AT(void *b, uint32 os)

{

	return ((uint16)

		((uint16)*((uint8 *)b+os+0)<<8|

		 (uint16)*((uint8 *)b+os+1)<<0));

}

__inline VOID SW_ULONG_ASSIGN(void *dst, uint32 src)

{

	*((uint8*)dst+0)=*((uint8*)&src+3);

	*((uint8*)dst+1)=*((uint8*)&src+2);

	*((uint8*)dst+2)=*((uint8*)&src+1);

	*((uint8*)dst+3)=*((uint8*)&src+0);

}

#ifdef WIN_NT_DRIVER

#define ALLOCATE_MEMORY(dest,type,amount) \

	  (dest)=ExAllocatePoolWithTag(NonPagedPool,sizeof(type)*(amount), '0TWA');

#define ALLOCATE_ZERO_MEMORY(dest,type,amount) \

	{ \

		(dest)=ExAllocatePoolWithTag(NonPagedPool,sizeof(type)*(amount), '1TWA'); \

		if ((dest)!=NULL) \

			RtlZeroMemory((dest),sizeof(type)*(amount)); \

	}	

#define FREE_MEMORY(dest) ExFreePool(dest);

#define ZERO_MEMORY(dest,amount) RtlZeroMemory(dest,amount);

#define COPY_MEMORY(dest,src,amount) RtlCopyMemory(dest,src,amount);

#else

#define ALLOCATE_MEMORY(dest,type,amount) \

	  (dest)=(type*)GlobalAlloc(GPTR, sizeof(type)*(amount));

#define ALLOCATE_ZERO_MEMORY(dest,type,amount) \

	  (dest)=(type*)GlobalAlloc(GPTR, sizeof(type)*(amount));

#define FREE_MEMORY(dest) GlobalFree(dest);

#define ZERO_MEMORY(dest,amount) RtlZeroMemory(dest,amount);

#define COPY_MEMORY(dest,src,amount) RtlCopyMemory(dest,src,amount);

#endif /*WIN_NT_DRIVER*/

#endif