From 4affdc09b88025a93025a60fbecff57ca6ac97b7 Mon Sep 17 00:00:00 2001 From: Zeno Albisser Date: Fri, 23 Apr 2010 16:53:32 +0200 Subject: Use GetProcAddress for GetVolumePathNamesForVolumeNameW This allows to compile also on Windows versions prior XP Reviewed-by: Thiago --- src/corelib/io/qfsfileengine_win.cpp | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp index 7d85cb1..be701dc 100644 --- a/src/corelib/io/qfsfileengine_win.cpp +++ b/src/corelib/io/qfsfileengine_win.cpp @@ -154,6 +154,8 @@ static TRUSTEE_W worldTrusteeW; typedef BOOL (WINAPI *PtrGetUserProfileDirectoryW)(HANDLE, LPWSTR, LPDWORD); static PtrGetUserProfileDirectoryW ptrGetUserProfileDirectoryW = 0; +typedef BOOL (WINAPI *PtrGetVolumePathNamesForVolumeNameW)(LPCWSTR,LPWSTR,DWORD,PDWORD); +static PtrGetVolumePathNamesForVolumeNameW ptrGetVolumePathNamesForVolumeNameW = 0; QT_END_INCLUDE_NAMESPACE @@ -212,6 +214,9 @@ void QFSFileEnginePrivate::resolveLibs() HINSTANCE userenvHnd = LoadLibrary(L"userenv"); if (userenvHnd) ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW"); + HINSTANCE kernel32 = LoadLibrary(L"kernel32"); + if(kernel32) + ptrGetVolumePathNamesForVolumeNameW = (PtrGetVolumePathNamesForVolumeNameW)GetProcAddress(kernel32, "GetVolumePathNamesForVolumeNameW"); #endif } } @@ -1293,14 +1298,19 @@ static QString readSymLink(const QString &link) qFree(rdb); CloseHandle(handle); - QRegExp matchVolName(QLatin1String("^Volume\\{([a-z]|[0-9]|-)+\\}\\\\"), Qt::CaseInsensitive); - if(matchVolName.indexIn(result) == 0) { - DWORD len; - wchar_t buffer[MAX_PATH]; - QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); - if(GetVolumePathNamesForVolumeNameW((wchar_t*)volumeName.utf16(), buffer, MAX_PATH, &len) != 0) - result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); +#if !defined(QT_NO_LIBRARY) + QFSFileEnginePrivate::resolveLibs(); + if (ptrGetVolumePathNamesForVolumeNameW) { + QRegExp matchVolName(QLatin1String("^Volume\\{([a-z]|[0-9]|-)+\\}\\\\"), Qt::CaseInsensitive); + if(matchVolName.indexIn(result) == 0) { + DWORD len; + wchar_t buffer[MAX_PATH]; + QString volumeName = result.mid(0, matchVolName.matchedLength()).prepend(QLatin1String("\\\\?\\")); + if(ptrGetVolumePathNamesForVolumeNameW((wchar_t*)volumeName.utf16(), buffer, MAX_PATH, &len) != 0) + result.replace(0,matchVolName.matchedLength(), QString::fromWCharArray(buffer)); + } } +#endif } #else Q_UNUSED(link); -- cgit v0.12