QFileSystemEngine: Remove the remainder of Windows XP functions

The attempt at loading these functions at runtime with WinRT always
failed, so stop trying.

Change-Id: I658f552684924f8aa2cafffd14cfc5179ac08498
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

3 files changed, 23 insertions, 54 deletions

diff --git a/src/corelib/io/io.pri b/src/corelib/io/io.pri
index ae96233b8c..4614fe2a6b 100644
--- a/src/corelib/io/io.pri
+++ b/src/corelib/io/io.pri
@@ -130,7 +130,7 @@ win32 {
             io/qwindowspipereader.cpp \
             io/qwindowspipewriter.cpp
 
-        LIBS += -lmpr -luserenv
+        LIBS += -lmpr -lnetapi32 -luserenv
     } else {
         SOURCES += \
                 io/qstandardpaths_winrt.cpp \
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
index 2a37d4bf01..24050dbbf8 100644
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@@ -59,6 +59,7 @@
 #include <objbase.h>
 #ifndef Q_OS_WINRT
 #  include <shlobj.h>
+#  include <lm.h>
 #  include <accctrl.h>
 #endif
 #include <initguid.h>
@@ -226,44 +227,10 @@ QT_END_NAMESPACE
 } // anonymous namespace
 #endif // QT_CONFIG(fslibs)
 
-typedef DWORD (WINAPI *PtrNetShareEnum)(LPWSTR, DWORD, LPBYTE*, DWORD, LPDWORD, LPDWORD, LPDWORD);
-static PtrNetShareEnum ptrNetShareEnum = 0;
-typedef DWORD (WINAPI *PtrNetApiBufferFree)(LPVOID);
-static PtrNetApiBufferFree ptrNetApiBufferFree = 0;
-typedef struct _SHARE_INFO_1 {
-    LPWSTR shi1_netname;
-    DWORD shi1_type;
-    LPWSTR shi1_remark;
-} SHARE_INFO_1;
-
 QT_BEGIN_NAMESPACE
 
 Q_CORE_EXPORT int qt_ntfs_permission_lookup = 0;
 
-namespace {
-struct UNCLibResolver
-{
-    UNCLibResolver()
-    {
-#if !defined(Q_OS_WINRT)
-        HINSTANCE hLib = QSystemLibrary::load(L"Netapi32");
-        if (hLib) {
-            ptrNetShareEnum = (PtrNetShareEnum)GetProcAddress(hLib, "NetShareEnum");
-            if (ptrNetShareEnum)
-                ptrNetApiBufferFree = (PtrNetApiBufferFree)GetProcAddress(hLib, "NetApiBufferFree");
-        }
-#endif // !Q_OS_WINRT
-    }
-};
-Q_GLOBAL_STATIC(UNCLibResolver, uncLibResolver)
-} // anonymous namespace
-
-static bool resolveUNCLibs()
-{
-    uncLibResolver();
-    return ptrNetShareEnum && ptrNetApiBufferFree;
-}
-
 static QString readSymLink(const QFileSystemEntry &link)
 {
     QString result;
@@ -396,25 +363,27 @@ static inline bool getFindData(QString path, WIN32_FIND_DATA &findData)
 
 bool QFileSystemEngine::uncListSharesOnServer(const QString &server, QStringList *list)
 {
-    if (resolveUNCLibs()) {
-        SHARE_INFO_1 *BufPtr, *p;
-        DWORD res;
-        DWORD er = 0, tr = 0, resume = 0, i;
-        do {
-            res = ptrNetShareEnum((wchar_t*)server.utf16(), 1, (LPBYTE *)&BufPtr, DWORD(-1), &er, &tr, &resume);
-            if (res == ERROR_SUCCESS || res == ERROR_MORE_DATA) {
-                p = BufPtr;
-                for (i = 1; i <= er; ++i) {
-                    if (list && p->shi1_type == 0)
-                        list->append(QString::fromWCharArray(p->shi1_netname));
-                    p++;
-                }
+    DWORD res = ERROR_NOT_SUPPORTED;
+#ifndef Q_OS_WINRT
+    SHARE_INFO_1 *BufPtr, *p;
+    DWORD er = 0, tr = 0, resume = 0, i;
+    do {
+        res = NetShareEnum((wchar_t*)server.utf16(), 1, (LPBYTE *)&BufPtr, DWORD(-1), &er, &tr, &resume);
+        if (res == ERROR_SUCCESS || res == ERROR_MORE_DATA) {
+            p = BufPtr;
+            for (i = 1; i <= er; ++i) {
+                if (list && p->shi1_type == 0)
+                    list->append(QString::fromWCharArray(p->shi1_netname));
+                p++;
             }
-            ptrNetApiBufferFree(BufPtr);
-        } while (res == ERROR_MORE_DATA);
-        return res == ERROR_SUCCESS;
-    }
-    return false;
+        }
+        NetApiBufferFree(BufPtr);
+    } while (res == ERROR_MORE_DATA);
+#else
+    Q_UNUSED(server);
+    Q_UNUSED(list);
+#endif
+    return res == ERROR_SUCCESS;
 }
 
 void QFileSystemEngine::clearWinStatData(QFileSystemMetaData &data)
diff --git a/src/tools/bootstrap/bootstrap.pro b/src/tools/bootstrap/bootstrap.pro
index 8882df9fc5..dedb4ff138 100644
--- a/src/tools/bootstrap/bootstrap.pro
+++ b/src/tools/bootstrap/bootstrap.pro
@@ -139,7 +139,7 @@ macx {
 }
 
 win32 {
-    LIBS += -luser32 -lole32 -ladvapi32 -lshell32
+    LIBS += -luser32 -lole32 -ladvapi32 -lshell32 -lnetapi32
     mingw: LIBS += -luuid
 }