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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/guid.h" | 5 #include "base/guid.h" |
6 | 6 |
| 7 #include <stddef.h> |
| 8 |
7 #include "base/strings/string_util.h" | 9 #include "base/strings/string_util.h" |
8 | 10 |
9 namespace base { | 11 namespace base { |
10 | 12 |
11 bool IsValidGUID(const std::string& guid) { | 13 bool IsValidGUID(const std::string& guid) { |
12 const size_t kGUIDLength = 36U; | 14 const size_t kGUIDLength = 36U; |
13 if (guid.length() != kGUIDLength) | 15 if (guid.length() != kGUIDLength) |
14 return false; | 16 return false; |
15 | 17 |
16 for (size_t i = 0; i < guid.length(); ++i) { | 18 for (size_t i = 0; i < guid.length(); ++i) { |
17 char current = guid[i]; | 19 char current = guid[i]; |
18 if (i == 8 || i == 13 || i == 18 || i == 23) { | 20 if (i == 8 || i == 13 || i == 18 || i == 23) { |
19 if (current != '-') | 21 if (current != '-') |
20 return false; | 22 return false; |
21 } else { | 23 } else { |
22 if (!IsHexDigit(current)) | 24 if (!IsHexDigit(current)) |
23 return false; | 25 return false; |
24 } | 26 } |
25 } | 27 } |
26 | 28 |
27 return true; | 29 return true; |
28 } | 30 } |
29 | 31 |
30 } // namespace base | 32 } // namespace base |
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