kkhorimoto | d70e5c4b | 2015-07-06 21:22:15 | [diff] [blame^] | 1 | // Copyright 2015 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 | #ifndef BASE_IOS_NS_ERROR_UTIL_H_ |
| 6 | #define BASE_IOS_NS_ERROR_UTIL_H_ |
| 7 | |
| 8 | @class NSError; |
| 9 | |
| 10 | namespace base { |
| 11 | namespace ios { |
| 12 | |
| 13 | // Iterates through |error|'s underlying errors and returns the first error for |
| 14 | // which there is no underlying error. |
| 15 | NSError* GetFinalUnderlyingErrorFromError(NSError* error); |
| 16 | |
| 17 | // Returns a copy of |original_error| with |underlying_error| appended to the |
| 18 | // end of its underlying error chain. |
| 19 | NSError* ErrorWithAppendedUnderlyingError(NSError* original_error, |
| 20 | NSError* underlying_error); |
| 21 | |
| 22 | } // namespace ios |
| 23 | } // namespace base |
| 24 | |
| 25 | #endif // BASE_IOS_NS_ERROR_UTIL_H_ |