libstdc++-v3/testsuite/18_support/aligned_alloc/aligned_alloc.cc

   1 // Copyright (C) 2018-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++17 } }
  19 // { dg-require-cstdint "" }
  20 // { dg-require-effective-target hosted }
  21
  22 #include <cstdlib>
  23 #include <cstdint>
  24 #include <testsuite_hooks.h>
  25
  26 void
  27 test01()
  28 {
  29 #ifdef _GLIBCXX_HAVE_ALIGNED_ALLOC
  30   void* p = std::aligned_alloc(256, 1);
  31   if (p)
  32   {
  33     VERIFY( (reinterpret_cast<std::uintptr_t>(p) % 256) == 0 );
  34     std::free(p);
  35   }
  36 #endif
  37 }
  38
  39 int
  40 main()
  41 {
  42   test01();
  43 }