Make possible to check memory allocations inside chromium

base/process/memory.cc

Index: base/process/memory.cc
diff --git a/base/process/memory.cc b/base/process/memory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e508c5e62ee7710c9eb11c42e715332b2a11c956
--- /dev/null
+++ b/base/process/memory.cc
@@ -0,0 +1,30 @@
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/process/memory.h"
+
+namespace base {
+
+// Defined in memory_mac.mm for Mac.
+#if !defined(OS_MACOSX)
+
+bool UncheckedCalloc(size_t num_items, size_t size, void** result) {
+  const size_t alloc_size = num_items * size;
+
+  // Overflow check
+  if (size && ((alloc_size / size) != num_items)) {
+    result = NULL;

[jar (doing other things), 2014/02/26 03:59:52]

Should this be:

*result = NULL;

+    return false;
+  }
+
+  if (!UncheckedMalloc(alloc_size, result))
+    return false;
+
+  memset(result, 0, alloc_size);

[jar (doing other things), 2014/02/26 03:59:52]

Should this be:
memset(*result, 0, alloc_size);

Is there any test code for this module?

+  return true;
+}
+
+#endif
+
+}