base/process/memory.cc

   1 // Copyright 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 #include "base/process/memory.h"
   6
   7 namespace base {
   8
   9 // Defined in memory_mac.mm for Mac.
  10 #if !defined(OS_MACOSX)
  11
  12 bool UncheckedCalloc(size_t num_items, size_t size, void** result) {
  13   const size_t alloc_size = num_items * size;
  14
  15   // Overflow check
  16   if (size && ((alloc_size / size) != num_items)) {
  17     *result = NULL;
  18     return false;
  19   }
  20
  21   if (!UncheckedMalloc(alloc_size, result))
  22     return false;
  23
  24   memset(*result, 0, alloc_size);
  25   return true;
  26 }
  27
  28 #endif
  29
  30 }