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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 "update_engine/utils.h" | 5 #include "update_engine/utils.h" |
6 #include <sys/mount.h> | 6 #include <sys/mount.h> |
7 #include <sys/stat.h> | 7 #include <sys/stat.h> |
8 #include <sys/types.h> | 8 #include <sys/types.h> |
9 #include <dirent.h> | 9 #include <dirent.h> |
10 #include <errno.h> | 10 #include <errno.h> |
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98 bool ReadFileToString(const std::string& path, std::string* out) { | 98 bool ReadFileToString(const std::string& path, std::string* out) { |
99 vector<char> data; | 99 vector<char> data; |
100 bool success = ReadFile(path, &data); | 100 bool success = ReadFile(path, &data); |
101 if (!success) { | 101 if (!success) { |
102 return false; | 102 return false; |
103 } | 103 } |
104 (*out) = string(&data[0], data.size()); | 104 (*out) = string(&data[0], data.size()); |
105 return true; | 105 return true; |
106 } | 106 } |
107 | 107 |
| 108 off_t FileSize(const string& path) { |
| 109 struct stat stbuf; |
| 110 int rc = stat(path.c_str(), &stbuf); |
| 111 CHECK_EQ(rc, 0); |
| 112 if (rc < 0) |
| 113 return rc; |
| 114 return stbuf.st_size; |
| 115 } |
| 116 |
108 void HexDumpArray(const unsigned char* const arr, const size_t length) { | 117 void HexDumpArray(const unsigned char* const arr, const size_t length) { |
109 const unsigned char* const char_arr = | 118 const unsigned char* const char_arr = |
110 reinterpret_cast<const unsigned char* const>(arr); | 119 reinterpret_cast<const unsigned char* const>(arr); |
111 LOG(INFO) << "Logging array of length: " << length; | 120 LOG(INFO) << "Logging array of length: " << length; |
112 const unsigned int bytes_per_line = 16; | 121 const unsigned int bytes_per_line = 16; |
113 for (uint32_t i = 0; i < length; i += bytes_per_line) { | 122 for (uint32_t i = 0; i < length; i += bytes_per_line) { |
114 const unsigned int bytes_remaining = length - i; | 123 const unsigned int bytes_remaining = length - i; |
115 const unsigned int bytes_per_this_line = min(bytes_per_line, | 124 const unsigned int bytes_per_this_line = min(bytes_per_line, |
116 bytes_remaining); | 125 bytes_remaining); |
117 char header[100]; | 126 char header[100]; |
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338 return "Unknown error."; | 347 return "Unknown error."; |
339 return error->message; | 348 return error->message; |
340 } | 349 } |
341 | 350 |
342 const char* const kStatefulPartition = "/mnt/stateful_partition"; | 351 const char* const kStatefulPartition = "/mnt/stateful_partition"; |
343 | 352 |
344 } // namespace utils | 353 } // namespace utils |
345 | 354 |
346 } // namespace chromeos_update_engine | 355 } // namespace chromeos_update_engine |
347 | 356 |
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