libcxx/test/support/asan_testing.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef ASAN_TESTING_H
  10 #define ASAN_TESTING_H
  11
  12 #include "test_macros.h"
  13
  14 #if TEST_HAS_FEATURE(address_sanitizer)
  15 extern "C" int __sanitizer_verify_contiguous_container
  16      ( const void *beg, const void *mid, const void *end );
  17
  18 template <typename T, typename Alloc>
  19 bool is_contiguous_container_asan_correct ( const std::vector<T, Alloc> &c )
  20 {
  21     if ( std::is_same<Alloc, std::allocator<T> >::value && c.data() != NULL)
  22         return __sanitizer_verify_contiguous_container (
  23             c.data(), c.data() + c.size(), c.data() + c.capacity()) != 0;
  24     return true;
  25 }
  26
  27 #else
  28 template <typename T, typename Alloc>
  29 bool is_contiguous_container_asan_correct ( const std::vector<T, Alloc> &)
  30 {
  31     return true;
  32 }
  33 #endif
  34
  35
  36 #endif  // ASAN_TESTING_H