wineps: Add EnumPrintProcessorDatatypesW implementation.

dlls/wineps.drv/printproc.c

@@ -31,10 +31,38 @@ WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
 BOOL WINAPI EnumPrintProcessorDatatypesW(WCHAR *server, WCHAR *name, DWORD level,
         BYTE *datatypes, DWORD size, DWORD *needed, DWORD *no)
 {
-    FIXME("%s, %s, %ld, %p, %ld, %p, %p\n", debugstr_w(server), debugstr_w(name),
+    static const WCHAR emf_1003[] = L"NT EMF 1.003";
+
+    DATATYPES_INFO_1W *info = (DATATYPES_INFO_1W *)datatypes;
+
+    TRACE("%s, %s, %ld, %p, %ld, %p, %p\n", debugstr_w(server), debugstr_w(name),
             level, datatypes, size, needed, no);
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return FALSE;
+
+    if (!needed || !no)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    *no = 0;
+    *needed = sizeof(*info) + sizeof(emf_1003);
+
+    if (level != 1 || (size && !datatypes))
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    if (size < *needed)
+    {
+        SetLastError(ERROR_INSUFFICIENT_BUFFER);
+        return FALSE;
+    }
+
+    *no = 1;
+    info->pName = (WCHAR*)(info + 1);
+    memcpy(info + 1, emf_1003, sizeof(emf_1003));
+    return TRUE;
 }
 
 HANDLE WINAPI OpenPrintProcessor(WCHAR *port, PRINTPROCESSOROPENDATA *open_data)