2012-10-17 01:18:12 +04:00
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/*
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#define DEFINE_UNICODE FALSE
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#define _PATH_SEPARATOR_CHR '\\'
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#define _PATH_SEPARATOR_STR "\\"
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#define PATH_CCH_APPEND PathCchAppendA
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*/
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#if DEFINE_UNICODE
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HRESULT PATH_CCH_APPEND(PWSTR pszPath, size_t cchPath, PCWSTR pszMore)
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{
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#ifdef _WIN32
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BOOL pathBackslash;
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BOOL moreBackslash;
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size_t pszMoreLength;
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size_t pszPathLength;
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if (!pszPath)
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return S_FALSE;
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if (!pszMore)
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return S_FALSE;
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pszMoreLength = lstrlenW(pszMore);
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pszPathLength = lstrlenW(pszPath);
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pathBackslash = (pszPath[pszPathLength - 1] == _PATH_SEPARATOR_CHR) ? TRUE : FALSE;
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moreBackslash = (pszMore[0] == _PATH_SEPARATOR_CHR) ? TRUE : FALSE;
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if (pathBackslash && moreBackslash)
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{
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if ((pszPathLength + pszMoreLength - 1) < cchPath)
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{
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swprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, L"%s", &pszMore[1]);
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return S_OK;
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}
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}
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else if ((pathBackslash && !moreBackslash) || (!pathBackslash && moreBackslash))
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{
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if ((pszPathLength + pszMoreLength) < cchPath)
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{
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swprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, L"%s", pszMore);
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return S_OK;
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}
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}
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else if (!pathBackslash && !moreBackslash)
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{
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if ((pszPathLength + pszMoreLength + 1) < cchPath)
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{
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2012-10-17 15:48:24 +04:00
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swprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, _PATH_SEPARATOR_STR L"%s", pszMore);
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2012-10-17 01:18:12 +04:00
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return S_OK;
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}
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}
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#endif
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return S_FALSE;
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}
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#else
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HRESULT PATH_CCH_APPEND(PSTR pszPath, size_t cchPath, PCSTR pszMore)
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{
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BOOL pathBackslash;
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BOOL moreBackslash;
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size_t pszMoreLength;
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size_t pszPathLength;
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if (!pszPath)
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return S_FALSE;
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if (!pszMore)
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return S_FALSE;
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pszMoreLength = lstrlenA(pszMore);
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pszPathLength = lstrlenA(pszPath);
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pathBackslash = (pszPath[pszPathLength - 1] == _PATH_SEPARATOR_CHR) ? TRUE : FALSE;
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moreBackslash = (pszMore[0] == _PATH_SEPARATOR_CHR) ? TRUE : FALSE;
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if (pathBackslash && moreBackslash)
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{
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if ((pszPathLength + pszMoreLength - 1) < cchPath)
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{
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sprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, "%s", &pszMore[1]);
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return S_OK;
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}
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}
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else if ((pathBackslash && !moreBackslash) || (!pathBackslash && moreBackslash))
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{
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if ((pszPathLength + pszMoreLength) < cchPath)
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{
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sprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, "%s", pszMore);
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return S_OK;
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}
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}
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else if (!pathBackslash && !moreBackslash)
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{
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if ((pszPathLength + pszMoreLength + 1) < cchPath)
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{
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sprintf_s(&pszPath[pszPathLength], cchPath - pszPathLength, _PATH_SEPARATOR_STR "%s", pszMore);
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return S_OK;
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}
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}
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return S_FALSE;
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}
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#endif
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/*
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#undef DEFINE_UNICODE
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#undef _PATH_SEPARATOR_CHR
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#undef _PATH_SEPARATOR_STR
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#undef PATH_CCH_APPEND
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*/
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