525 lines
12 KiB
C++
525 lines
12 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// File: K K U T I L S . C P P
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//
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// Contents: Misc. helper functions
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//
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// Notes:
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//
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// Author: kumarp 14 Jan 1997
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include "kkutils.h"
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#include "ncreg.h"
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extern const WCHAR c_szRegKeyServices[];
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// ----------------------------------------------------------------------
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//
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// Function: AddOnlyOnceToStringList
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//
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// Purpose: Add the specified string to the list if it is not present
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// in that list
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//
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// Arguments:
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// psl [in] list of strings
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// pszString [in] string to add
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//
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// Returns: None
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//
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// Author: kumarp 23-December-97
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//
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// Notes:
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//
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void AddOnlyOnceToStringList(IN TStringList* psl, IN PCWSTR pszString)
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{
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AssertValidReadPtr(psl);
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AssertValidReadPtr(pszString);
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if (!FIsInStringList(*psl, pszString))
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{
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AddAtEndOfStringList(*psl, pszString);
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}
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}
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// ----------------------------------------------------------------------
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//
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// Function: ConvertDelimitedListToStringList
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//
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// Purpose: Convert a delimited list to a TStringList
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//
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// Arguments:
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// strDelimitedList [in] delimited list
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// chDelimiter [in] delimiter
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// slList [out] list of string items
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//
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// Returns: None
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//
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// Author: kumarp 23-December-97
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//
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// Notes:
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//
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void ConvertDelimitedListToStringList(IN const tstring& strDelimitedList,
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IN WCHAR chDelimiter,
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OUT TStringList &slList)
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{
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PCWSTR pszDelimitedList = strDelimitedList.c_str();
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DWORD i=0, dwStart;
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// should this be EraseAndDeleteAll() ??
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//EraseAll(&slList);
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EraseAndDeleteAll(&slList);
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tstring strTemp;
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DWORD dwNumChars;
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// the two spaces are intentional
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static WCHAR szCharsToSkip[] = L" \t";
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szCharsToSkip[0] = chDelimiter;
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while (pszDelimitedList[i])
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{
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dwStart = i;
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while (pszDelimitedList[i] &&
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!wcschr(szCharsToSkip, pszDelimitedList[i]))
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{
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++i;
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}
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// if each item is enclosed in quotes. strip the quotes
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dwNumChars = i - dwStart;
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if (pszDelimitedList[dwStart] == '"')
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{
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dwStart++;
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dwNumChars -= 2;
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}
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strTemp = strDelimitedList.substr(dwStart, dwNumChars);
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slList.insert(slList.end(), new tstring(strTemp));
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// skip spaces and delimiter
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//
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while (pszDelimitedList[i] &&
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wcschr(szCharsToSkip, pszDelimitedList[i]))
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{
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++i;
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}
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}
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}
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// ----------------------------------------------------------------------
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//
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// Function: ConvertCommaDelimitedListToStringList
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//
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// Purpose: Convert a comma delimited list to a TStringList
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//
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// Arguments:
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// strDelimitedList [in] comma delimited list
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// slList [out] list of string items
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//
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// Returns: None
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//
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// Author: kumarp 23-December-97
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//
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// Notes:
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//
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void ConvertCommaDelimitedListToStringList(IN const tstring& strDelimitedList, OUT TStringList &slList)
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{
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ConvertDelimitedListToStringList(strDelimitedList, (WCHAR) ',', slList);
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}
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// ----------------------------------------------------------------------
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//
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// Function: ConvertSpaceDelimitedListToStringList
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//
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// Purpose: Convert a space delimited list to a TStringList
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//
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// Arguments:
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// strDelimitedList [in] Space delimited list
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// slList [out] list of string items
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//
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// Returns: None
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//
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// Author: kumarp 23-December-97
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//
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// Notes:
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//
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void ConvertSpaceDelimitedListToStringList(IN const tstring& strDelimitedList,
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OUT TStringList &slList)
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{
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ConvertDelimitedListToStringList(strDelimitedList, ' ', slList);
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}
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void ConvertStringListToCommaList(IN const TStringList &slList, OUT tstring &strList)
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{
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ConvertStringListToDelimitedList(slList, strList, ',');
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}
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void ConvertStringListToDelimitedList(IN const TStringList &slList,
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OUT tstring &strList, IN WCHAR chDelimiter)
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{
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TStringListIter pos = slList.begin();
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tstring strTemp;
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WORD i=0;
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static const WCHAR szSpecialChars[] = L" %=";
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while (pos != slList.end())
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{
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strTemp = **pos++;
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//
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// put quotes around any strings that have chars that setupapi doesn't like.
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//
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if (strTemp.empty() ||
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(L'\"' != *(strTemp.c_str()) &&
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wcscspn(strTemp.c_str(), szSpecialChars) < strTemp.size()))
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{
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strTemp = '"' + strTemp + '"';
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}
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if (i)
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{
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strList = strList + chDelimiter + strTemp;
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}
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else
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{
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strList = strTemp;
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}
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++i;
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}
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}
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// ----------------------------------------------------------------------
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//
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// Function: IsBoolString
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//
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// Purpose: Parse a string to decide if it represents a boolean value
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//
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// Arguments:
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// pszStr [in] string
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// pbValue [out] pointer to BOOL value parsed
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//
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// Returns: TRUE on success, FALSE otherwise
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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BOOL IsBoolString(IN PCWSTR pszStr, OUT BOOL *pbValue)
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{
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if ((!_wcsicmp(pszStr, L"yes")) ||
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(!_wcsicmp(pszStr, L"true")) ||
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(!_wcsicmp(pszStr, L"1")))
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{
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*pbValue = TRUE;
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return TRUE;
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}
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else if ((!_wcsicmp(pszStr, L"no")) ||
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(!_wcsicmp(pszStr, L"false")) ||
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(!_wcsicmp(pszStr, L"0")))
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{
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*pbValue = FALSE;
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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// ----------------------------------------------------------------------
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//
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// Function: FIsInStringArray
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//
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// Purpose: Find out if a string exists in an array
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//
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// Arguments:
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// ppszStrings [in] array of strings
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// cNumStrings [in] num strings in array
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// pszStringToFind [in] string to find
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//
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// Returns: TRUE on success, FALSE otherwise
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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BOOL FIsInStringArray(
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IN const PCWSTR* ppszStrings,
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IN DWORD cNumStrings,
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IN PCWSTR pszStringToFind,
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OUT UINT* puIndex)
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{
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for (DWORD isz = 0; isz < cNumStrings; isz++)
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{
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if (!lstrcmpiW(ppszStrings[isz], pszStringToFind))
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{
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if (puIndex)
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{
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*puIndex = isz;
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}
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return TRUE;
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}
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}
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return FALSE;
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}
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// ----------------------------------------------------------------------
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//
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// Function: HrRegOpenServiceKey
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//
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// Purpose: Open reg key for the given service
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//
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// Arguments:
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// szServiceName [in] name of service
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// samDesired [in] SAM required
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// phKey [out] pointer to handle of reg key
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//
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// Returns: S_OK on success, otherwise an error code
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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HRESULT HrRegOpenServiceKey(
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IN PCWSTR pszServiceName,
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IN REGSAM samDesired,
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OUT HKEY* phKey)
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{
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DefineFunctionName("HrRegOpenServiceKey");
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AssertValidReadPtr(pszServiceName);
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AssertValidWritePtr(phKey);
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*phKey = NULL;
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HRESULT hr;
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tstring strService;
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strService = c_szRegKeyServices;
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strService += L"\\";
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strService += pszServiceName;
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hr = HrRegOpenKeyEx(HKEY_LOCAL_MACHINE, strService.c_str(),
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samDesired, phKey);
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TraceErrorOptional(__FUNCNAME__, hr,
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(HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) == hr));
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return hr;
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}
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// ----------------------------------------------------------------------
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//
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// Function: HrRegOpenServiceSubKey
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//
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// Purpose: Open sub key of a service key
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//
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// Arguments:
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// pszServiceName [in] name of service
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// pszSubKey [in] name of sub key
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// samDesired [in] SAM required
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// phKey [out] pointer to handle of key opened
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//
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// Returns: S_OK on success, otherwise an error code
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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HRESULT HrRegOpenServiceSubKey(
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IN PCWSTR pszServiceName,
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IN PCWSTR pszSubKey,
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IN REGSAM samDesired,
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OUT HKEY* phKey)
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{
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AssertValidReadPtr(pszServiceName);
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AssertValidReadPtr(pszSubKey);
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AssertValidWritePtr(phKey);
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DefineFunctionName("HrRegOpenServiceSubKey");
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HRESULT hr = S_OK;
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tstring strKey;
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strKey = pszServiceName;
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strKey += L"\\";
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strKey += pszSubKey;
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hr = HrRegOpenServiceKey(strKey.c_str(), samDesired, phKey);
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TraceError(__FUNCNAME__, hr);
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return hr;
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}
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// ----------------------------------------------------------------------
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//
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// Function: FIsServiceKeyPresent
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//
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// Purpose: Check if a service reg key is present
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//
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// Arguments:
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// pszServiceName [in] name of service
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//
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// Returns: TRUE on success, FALSE otherwise
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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BOOL FIsServiceKeyPresent(IN PCWSTR pszServiceName)
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{
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BOOL fResult = FALSE;
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HKEY hkeyService;
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HRESULT hr;
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hr = HrRegOpenServiceKey(pszServiceName, KEY_READ, &hkeyService);
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if (S_OK == hr)
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{
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// we just wanted to see if service is installed
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RegCloseKey(hkeyService);
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fResult = TRUE;
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}
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return fResult;
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}
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// ----------------------------------------------------------------------
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//
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// Function: EraseAndDeleteAll
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//
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// Purpose: Erase each element and then delete string array
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//
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// Arguments:
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// sa [in] pointer to array of strings
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//
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// Returns: None
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//
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// Author: kumarp 12-February-98
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//
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// Notes:
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//
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void EraseAndDeleteAll(IN TStringArray* sa)
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{
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for (size_t i=0; i < sa->size(); i++)
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{
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delete (*sa)[i];
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}
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sa->erase(sa->begin(), sa->end());
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}
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|
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: AppendToPath
|
||
|
|
//
|
||
|
|
// Purpose: Append a subpath/filename to a path
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// pstrPath [in] path
|
||
|
|
// szItem [in] item to append
|
||
|
|
//
|
||
|
|
// Returns: None
|
||
|
|
//
|
||
|
|
// Author: kumarp 12-February-98
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
void AppendToPath(IN OUT tstring* pstrPath, IN PCWSTR szItem)
|
||
|
|
{
|
||
|
|
if (pstrPath->c_str()[pstrPath->size()-1] != L'\\')
|
||
|
|
{
|
||
|
|
*pstrPath += L'\\';
|
||
|
|
}
|
||
|
|
|
||
|
|
*pstrPath += szItem;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: ConvertDelimitedListToStringArray
|
||
|
|
//
|
||
|
|
// Purpose: Convert a delimited list to an array
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// strDelimitedList [in] delimited list (e.g. "a,b,c")
|
||
|
|
// chDelimiter [in] delimiter char
|
||
|
|
// saStrings [out] array of strings
|
||
|
|
//
|
||
|
|
// Returns: None
|
||
|
|
//
|
||
|
|
// Author: kumarp 12-February-98
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
void ConvertDelimitedListToStringArray(
|
||
|
|
IN const tstring& strDelimitedList,
|
||
|
|
IN WCHAR chDelimiter,
|
||
|
|
OUT TStringArray &saStrings)
|
||
|
|
{
|
||
|
|
PCWSTR pszDelimitedList = strDelimitedList.c_str();
|
||
|
|
DWORD i=0, dwStart;
|
||
|
|
|
||
|
|
EraseAndDeleteAll(&saStrings);
|
||
|
|
|
||
|
|
tstring strTemp;
|
||
|
|
DWORD dwNumChars;
|
||
|
|
while (pszDelimitedList[i])
|
||
|
|
{
|
||
|
|
dwStart = i;
|
||
|
|
while (pszDelimitedList[i] && (pszDelimitedList[i] != chDelimiter))
|
||
|
|
{
|
||
|
|
++i;
|
||
|
|
}
|
||
|
|
|
||
|
|
// if each item is enclosed in quotes. strip the quotes
|
||
|
|
dwNumChars = i - dwStart;
|
||
|
|
if (pszDelimitedList[dwStart] == L'"')
|
||
|
|
{
|
||
|
|
dwStart++;
|
||
|
|
dwNumChars -= 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
strTemp = strDelimitedList.substr(dwStart, dwNumChars);
|
||
|
|
saStrings.push_back(new tstring(strTemp));
|
||
|
|
if (pszDelimitedList[i])
|
||
|
|
{
|
||
|
|
++i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: ConvertCommaDelimitedListToStringList
|
||
|
|
//
|
||
|
|
// Purpose: Convert a comma delimited list to an array
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// strDelimitedList [in] delimited list (e.g. "a,b,c")
|
||
|
|
// saStrings [out] array of strings
|
||
|
|
//
|
||
|
|
// Returns: None
|
||
|
|
//
|
||
|
|
// Author: kumarp 12-February-98
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
void ConvertCommaDelimitedListToStringArray(
|
||
|
|
IN const tstring& strDelimitedList,
|
||
|
|
OUT TStringArray &saStrings)
|
||
|
|
{
|
||
|
|
ConvertDelimitedListToStringArray(strDelimitedList, L',', saStrings);
|
||
|
|
}
|
||
|
|
|