| [email protected] | d3d728e9 | 2010-10-20 03:24:55 | [diff] [blame^] | 1 | // Copyright (c) 2010 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 "chrome/browser/guid.h" |
| 6 | |
| 7 | #include "base/rand_util.h" |
| 8 | #include "base/stringprintf.h" |
| 9 | |
| 10 | namespace guid { |
| 11 | |
| 12 | bool IsValidGUID(const std::string& guid) { |
| 13 | const size_t kGUIDLength = 36U; |
| 14 | if (guid.length() != kGUIDLength) |
| 15 | return false; |
| 16 | |
| 17 | std::string hexchars = "0123456789ABCDEF"; |
| 18 | for (uint32 i = 0; i < guid.length(); ++i) { |
| 19 | char current = guid[i]; |
| 20 | if (i == 8 || i == 13 || i == 18 || i == 23) { |
| 21 | if (current != '-') |
| 22 | return false; |
| 23 | } else { |
| 24 | if (hexchars.find(current) == std::string::npos) |
| 25 | return false; |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | return true; |
| 30 | } |
| 31 | |
| 32 | } // namespace guid |
