| // checking for empty mem-initializer arglist |
| |
| /*************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the License); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1999-2007 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| template <class T, class U> |
| struct S |
| { |
| T t; |
| U u; |
| |
| // exercise 12.6.2, p3, bullet 1 |
| S (): t (/* expression-list optional */), u () { } |
| }; |
| |
| int foo (char c) |
| { |
| // dirty up the stack |
| char dummy [32]; |
| for (int i = 0; i != sizeof dummy; ++i) |
| dummy [i] = c + i; |
| |
| return dummy [0] + dummy [sizeof dummy - 1]; |
| } |
| |
| struct X |
| { |
| char c; |
| int i; |
| }; |
| |
| int bar () |
| { |
| S<int, X> s; |
| const char *p = (const char*)&s; |
| |
| // member must be default-initialized (zeroed out) |
| for (int i = 0; i != sizeof s; ++i) |
| if (*p) |
| return 0; |
| return 1; |
| } |
| |
| int main () |
| { |
| foo ('a'); |
| |
| return !bar (); |
| } |