67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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//================================================================================
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// Copyright (C) 1997 Microsoft Corporation
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// Author: RameshV
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// Description: implements the basic structures for an option
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// ThreadSafe: no
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// Locks: none
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// Please read stdinfo.txt for programming style.
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//================================================================================
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#include <mm.h>
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//BeginExport(typedef)
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typedef struct _M_OPTION {
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DWORD OptId;
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DWORD Len;
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BYTE Val[0];
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} M_OPTION, *PM_OPTION, *LP_MOPTION;
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//EndExport(typedef)
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//BeginExport(inline)
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DWORD _inline
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MemOptInit(
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OUT PM_OPTION *Opt,
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IN DWORD OptId,
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IN DWORD Len,
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IN LPBYTE Val
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) {
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AssertRet(Opt, ERROR_INVALID_PARAMETER);
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AssertRet(Len || NULL==Val, ERROR_INVALID_PARAMETER);
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AssertRet(0 == Len|| Val, ERROR_INVALID_PARAMETER);
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(*Opt) = MemAlloc(sizeof(M_OPTION)+Len);
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if( NULL == (*Opt) ) return ERROR_NOT_ENOUGH_MEMORY;
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(*Opt)->OptId = OptId;
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(*Opt)->Len = Len;
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memcpy((*Opt)->Val, Val, Len);
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return ERROR_SUCCESS;
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}
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//EndExport(inline)
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//BeginExport(inline)
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DWORD _inline
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MemOptCleanup(
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IN OUT PM_OPTION Opt
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) {
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AssertRet(Opt, ERROR_INVALID_PARAMETER);
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MemFree(Opt);
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return ERROR_SUCCESS;
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}
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//EndExport(inline)
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//BeginExport(inline)
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LPBYTE _inline
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MemOptVal(
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IN PM_OPTION Opt
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) {
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return Opt->Val;
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}
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//EndExport(inline)
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//================================================================================
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// end of file
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//================================================================================
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