memory_t.h
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上传日期:2022-01-26
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- /*
- * Copyright (c) 2001 - 2003
- * NetGroup, Politecnico di Torino (Italy)
- * 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 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)=ExAllocatePool(NonPagedPool,sizeof(type)*(amount));
- #define ALLOCATE_ZERO_MEMORY(dest,type,amount)
- {
- (dest)=ExAllocatePool(NonPagedPool,sizeof(type)*(amount));
- 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