1// Copyright (c) 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef PDFIUM_THIRD_PARTY_BASE_LOGGING_H_
6#define PDFIUM_THIRD_PARTY_BASE_LOGGING_H_
7
8#include <assert.h>
9#include <stdlib.h>
10
11#ifndef _WIN32
12#define NULL_DEREF_IF_POSSIBLE \
13  *(reinterpret_cast<volatile char*>(NULL) + 42) = 0x42;
14#else
15#define NULL_DEREF_IF_POSSIBLE
16#endif
17
18#define CHECK(condition)   \
19  if (!(condition)) {      \
20    abort();               \
21    NULL_DEREF_IF_POSSIBLE \
22  }
23
24// TODO(palmer): These are quick hacks to import PartitionAlloc with minimum
25// hassle. Look into pulling in the real DCHECK definition. It might be more
26// than we need, or have more dependencies than we want. In the meantime, this
27// is safe, at the cost of some performance.
28#define DCHECK CHECK
29#define DCHECK_EQ(x, y) CHECK((x) == (y))
30#define DCHECK_IS_ON() true
31
32// TODO(palmer): Also a quick hack. IMMEDIATE_CRASH used to be simple in
33// Chromium base/, but it got way more complicated and has lots of base/
34// dependencies now. Sad!
35#define IMMEDIATE_CRASH() abort();
36
37#define NOTREACHED() assert(false)
38
39#endif  // PDFIUM_THIRD_PARTY_BASE_LOGGING_H_
40