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mirror of https://github.com/SoftEtherVPN/SoftEtherVPN.git synced 2024-11-12 20:50:41 +03:00
SoftEtherVPN/src/See/memory_t.h
2014-01-04 22:00:08 +09:00

133 lines
4.0 KiB
C

/*
* 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