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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/process/memory.h" | 5 #include "base/process/memory.h" |
6 | 6 |
7 namespace base { | 7 namespace base { |
8 | 8 |
9 // Defined in memory_mac.mm for Mac. | 9 // Defined in memory_mac.mm for Mac. |
10 #if !defined(OS_MACOSX) | 10 #if !defined(OS_MACOSX) |
11 | 11 |
12 bool UncheckedCalloc(size_t num_items, size_t size, void** result) { | 12 bool UncheckedCalloc(size_t num_items, size_t size, void** result) { |
13 const size_t alloc_size = num_items * size; | 13 const size_t alloc_size = num_items * size; |
14 | 14 |
15 // Overflow check | 15 // Overflow check |
16 if (size && ((alloc_size / size) != num_items)) { | 16 if (size && ((alloc_size / size) != num_items)) { |
17 *result = NULL; | 17 *result = NULL; |
18 return false; | 18 return false; |
19 } | 19 } |
20 | 20 |
21 if (!UncheckedMalloc(alloc_size, result)) | 21 if (!UncheckedMalloc(alloc_size, result)) |
22 return false; | 22 return false; |
23 | 23 |
24 memset(*result, 0, alloc_size); | 24 memset(*result, 0, alloc_size); |
25 return true; | 25 return true; |
26 } | 26 } |
27 | 27 |
28 #endif | 28 #endif |
29 | 29 |
30 } | 30 } // namespace base |
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