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1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium OS 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 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ | 5 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ |
6 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ | 6 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ |
7 | 7 |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <set> | 10 #include <set> |
11 #include <string> | 11 #include <string> |
12 #include <vector> | 12 #include <vector> |
13 #include <glib.h> | 13 #include <glib.h> |
14 #include "update_engine/action.h" | 14 #include "update_engine/action.h" |
15 #include "update_engine/action_processor.h" | 15 #include "update_engine/action_processor.h" |
16 | 16 |
17 namespace chromeos_update_engine { | 17 namespace chromeos_update_engine { |
18 | 18 |
19 namespace utils { | 19 namespace utils { |
20 | 20 |
| 21 // Returns true if this is an official Chrome OS build, false |
| 22 // otherwise. Currently, this routine errs on the official build side |
| 23 // -- if it doesn't recognize the update track as non-official, it |
| 24 // assumes the build is official. |
| 25 bool IsOfficialBuild(); |
| 26 |
21 // Writes the data passed to path. The file at path will be overwritten if it | 27 // Writes the data passed to path. The file at path will be overwritten if it |
22 // exists. Returns true on success, false otherwise. | 28 // exists. Returns true on success, false otherwise. |
23 bool WriteFile(const char* path, const char* data, int data_len); | 29 bool WriteFile(const char* path, const char* data, int data_len); |
24 | 30 |
25 // Calls write() or pwrite() repeatedly until all count bytes at buf are | 31 // Calls write() or pwrite() repeatedly until all count bytes at buf are |
26 // written to fd or an error occurs. Returns true on success. | 32 // written to fd or an error occurs. Returns true on success. |
27 bool WriteAll(int fd, const void* buf, size_t count); | 33 bool WriteAll(int fd, const void* buf, size_t count); |
28 bool PWriteAll(int fd, const void* buf, size_t count, off_t offset); | 34 bool PWriteAll(int fd, const void* buf, size_t count, off_t offset); |
29 | 35 |
30 // Calls pread() repeatedly until count bytes are read, or EOF is reached. | 36 // Calls pread() repeatedly until count bytes are read, or EOF is reached. |
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294 bool _success = (_x); \ | 300 bool _success = (_x); \ |
295 if (!_success) { \ | 301 if (!_success) { \ |
296 LOG(ERROR) << #_x " failed."; \ | 302 LOG(ERROR) << #_x " failed."; \ |
297 return; \ | 303 return; \ |
298 } \ | 304 } \ |
299 } while (0) | 305 } while (0) |
300 | 306 |
301 | 307 |
302 | 308 |
303 #endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ | 309 #endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_UTILS_H__ |
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