compilerplugins/clang/test/stringviewdangle.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <string_view>
  13 #include <utility>
  14
  15 #include <rtl/strbuf.hxx>
  16 #include <rtl/string.hxx>
  17 #include <rtl/ustrbuf.hxx>
  18 #include <rtl/ustring.hxx>
  19 #include <sal/types.h>
  20
  21 namespace test1
  22 {
  23 OUString foo1();
  24 OUString& foo2();
  25 void f1()
  26 {
  27     // expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
  28     std::u16string_view v = foo1();
  29     // expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
  30     v = foo1();
  31
  32     // no warning expected
  33     std::u16string_view v2 = foo2();
  34     v2 = foo2();
  35 }
  36 }
  37 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */