168 lines
4.6 KiB
C
168 lines
4.6 KiB
C
//================================================================================
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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 a list of options
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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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#include <opt.h>
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#include <array.h>
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//BeginExport(typedef)
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typedef ARRAY M_OPTLIST;
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typedef PARRAY PM_OPTLIST;
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typedef LPARRAY LPM_OPTLIST;
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//EndExport(typedef)
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//BeginExport(inline)
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DWORD _inline
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MemOptListInit(
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IN OUT PM_OPTLIST OptList
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) {
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return MemArrayInit(OptList);
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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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MemOptListCleanup(
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IN OUT PM_OPTLIST OptList
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) {
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return MemArrayCleanup(OptList);
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}
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//EndExport(inline)
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//BeginExport(function)
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DWORD _inline
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MemOptListAddOption( // Add or replace an option
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IN OUT PM_OPTLIST OptList,
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IN PM_OPTION Opt,
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OUT PM_OPTION *DeletedOpt // OPTIONAL: old option or NULL
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) // EndExport(function)
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{ // if DeletedOpt is NULL, then the option would just be freed.
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ARRAY_LOCATION Loc;
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DWORD Error;
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PM_OPTION ThisOpt;
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AssertRet(OptList && Opt, ERROR_INVALID_PARAMETER);
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if( DeletedOpt ) *DeletedOpt = NULL;
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Error = MemArrayInitLoc(OptList, &Loc);
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while( ERROR_FILE_NOT_FOUND != Error ) {
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Require(ERROR_SUCCESS == Error);
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Error = MemArrayGetElement(OptList, &Loc, (LPVOID*)&ThisOpt);
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Require(ERROR_SUCCESS == Error );
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Require(ThisOpt);
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if( ThisOpt->OptId == Opt->OptId ) {
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Error = MemArraySetElement(OptList, &Loc, (LPVOID)Opt);
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Require(ERROR_SUCCESS == Error);
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if( DeletedOpt ) (*DeletedOpt) = ThisOpt;
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else MemOptCleanup(ThisOpt);
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return ERROR_SUCCESS;
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}
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Error = MemArrayNextLoc(OptList, &Loc);
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}
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Error = MemArrayAddElement(OptList, (LPVOID)Opt);
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return Error;
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}
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//BeginExport(inline)
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DWORD _inline
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MemOptListAddAnotherOption( // add without checking for duplicates
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IN OUT PM_OPTLIST OptList,
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IN PM_OPTION Opt
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) {
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return MemArrayAddElement(OptList, (LPVOID)Opt);
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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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MemOptListFindOption(
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IN PM_OPTLIST OptList,
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IN DWORD OptId,
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OUT PM_OPTION *Opt
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) {
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ARRAY_LOCATION Loc;
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DWORD Error;
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AssertRet(OptList && Opt, ERROR_INVALID_PARAMETER );
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Error = MemArrayInitLoc(OptList, &Loc);
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while( ERROR_FILE_NOT_FOUND != Error ) {
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Require(ERROR_SUCCESS == Error);
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Error = MemArrayGetElement(OptList, &Loc, (LPVOID*)Opt);
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Require(ERROR_SUCCESS == Error);
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Require(*Opt);
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if( (*Opt)->OptId == OptId )
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return ERROR_SUCCESS;
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Error = MemArrayNextLoc(OptList, &Loc);
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}
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*Opt = NULL;
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return ERROR_FILE_NOT_FOUND;
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}
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//EndExport(inline)
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//BeginExport(function)
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DWORD
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MemOptListDelOption(
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IN PM_OPTLIST OptList,
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IN DWORD OptId
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) //EndExport(function)
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{
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ARRAY_LOCATION Loc;
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DWORD Error;
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PM_OPTION Opt;
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AssertRet(OptList, ERROR_INVALID_PARAMETER );
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Error = MemArrayInitLoc(OptList, &Loc);
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while( ERROR_FILE_NOT_FOUND != Error ) {
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Require(ERROR_SUCCESS == Error);
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Error = MemArrayGetElement(OptList, &Loc, (LPVOID*)&Opt);
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Require(ERROR_SUCCESS == Error && Opt);
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if( Opt->OptId == OptId ) {
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Error = MemArrayDelElement(OptList, &Loc, (LPVOID*)&Opt);
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Require(ERROR_SUCCESS == Error && Opt);
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Error = MemOptCleanup(Opt);
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Require(ERROR_SUCCESS == Error);
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return ERROR_SUCCESS;
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}
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Error = MemArrayNextLoc(OptList, &Loc);
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}
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return ERROR_FILE_NOT_FOUND;
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}
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//BeginExport(inline)
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DWORD _inline
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MemOptListSize(
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IN PM_OPTLIST OptList
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) {
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return MemArraySize(OptList);
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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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