/*

  * 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