mirror of
https://github.com/SoftEtherVPN/SoftEtherVPN.git
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133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/*
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* Copyright (c) 2001 - 2003
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* NetGroup, Politecnico di Torino (Italy)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Politecnico di Torino nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __memory_t
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#define __memory_t
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#define uint8 UCHAR
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#define int8 CHAR
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#define uint16 USHORT
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#define int16 SHORT
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#define uint32 ULONG
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#define int32 LONG
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#define uint64 ULONGLONG
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#define int64 LONGLONG
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/*memory type*/
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typedef struct __MEM_TYPE
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{
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uint8 *buffer;
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uint32 size;
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} MEM_TYPE, *PMEM_TYPE;
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#define LONG_AT(base,offset) (*(int32*)((uint8*)base+(uint32)offset))
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#define ULONG_AT(base,offset) (*(uint32*)((uint8*)base+(uint32)offset))
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#define SHORT_AT(base,offset) (*(int16*)((uint8*)base+(uint32)offset))
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#define USHORT_AT(base,offset) (*(uint16*)((uint8*)base+(uint32)offset))
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__inline int32 SW_LONG_AT(void *b, uint32 c)
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{
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return ((int32)*((uint8 *)b+c)<<24|
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(int32)*((uint8 *)b+c+1)<<16|
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(int32)*((uint8 *)b+c+2)<<8|
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(int32)*((uint8 *)b+c+3)<<0);
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}
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__inline uint32 SW_ULONG_AT(void *b, uint32 c)
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{
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return ((uint32)*((uint8 *)b+c)<<24|
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(uint32)*((uint8 *)b+c+1)<<16|
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(uint32)*((uint8 *)b+c+2)<<8|
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(uint32)*((uint8 *)b+c+3)<<0);
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}
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__inline int16 SW_SHORT_AT(void *b, uint32 os)
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{
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return ((int16)
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((int16)*((uint8 *)b+os+0)<<8|
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(int16)*((uint8 *)b+os+1)<<0));
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}
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__inline uint16 SW_USHORT_AT(void *b, uint32 os)
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{
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return ((uint16)
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((uint16)*((uint8 *)b+os+0)<<8|
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(uint16)*((uint8 *)b+os+1)<<0));
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}
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__inline VOID SW_ULONG_ASSIGN(void *dst, uint32 src)
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{
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*((uint8*)dst+0)=*((uint8*)&src+3);
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*((uint8*)dst+1)=*((uint8*)&src+2);
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*((uint8*)dst+2)=*((uint8*)&src+1);
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*((uint8*)dst+3)=*((uint8*)&src+0);
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}
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#ifdef WIN_NT_DRIVER
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#define ALLOCATE_MEMORY(dest,type,amount) \
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(dest)=ExAllocatePool(NonPagedPool,sizeof(type)*(amount));
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#define ALLOCATE_ZERO_MEMORY(dest,type,amount) \
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{ \
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(dest)=ExAllocatePool(NonPagedPool,sizeof(type)*(amount)); \
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if ((dest)!=NULL) \
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RtlZeroMemory((dest),sizeof(type)*(amount)); \
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}
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#define FREE_MEMORY(dest) ExFreePool(dest);
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#define ZERO_MEMORY(dest,amount) RtlZeroMemory(dest,amount);
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#define COPY_MEMORY(dest,src,amount) RtlCopyMemory(dest,src,amount);
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#else
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#define ALLOCATE_MEMORY(dest,type,amount) \
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(dest)=(type*)GlobalAlloc(GPTR, sizeof(type)*(amount));
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#define ALLOCATE_ZERO_MEMORY(dest,type,amount) \
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(dest)=(type*)GlobalAlloc(GPTR, sizeof(type)*(amount));
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#define FREE_MEMORY(dest) GlobalFree(dest);
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#define ZERO_MEMORY(dest,amount) RtlZeroMemory(dest,amount);
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#define COPY_MEMORY(dest,src,amount) RtlCopyMemory(dest,src,amount);
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#endif /*WIN_NT_DRIVER*/
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#endif
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