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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "third_party/mojo/src/mojo/public/cpp/bindings/lib/bounds_checker.h" | 5 #include "mojo/public/cpp/bindings/lib/bounds_checker.h" |
| 6 | 6 |
| 7 #include "third_party/mojo/src/mojo/public/cpp/bindings/lib/bindings_serializati
on.h" | 7 #include "mojo/public/cpp/bindings/lib/bindings_serialization.h" |
| 8 #include "third_party/mojo/src/mojo/public/cpp/environment/logging.h" | 8 #include "mojo/public/cpp/environment/logging.h" |
| 9 #include "third_party/mojo/src/mojo/public/cpp/system/handle.h" | 9 #include "mojo/public/cpp/system/handle.h" |
| 10 | 10 |
| 11 namespace mojo { | 11 namespace mojo { |
| 12 namespace internal { | 12 namespace internal { |
| 13 | 13 |
| 14 BoundsChecker::BoundsChecker(const void* data, | 14 BoundsChecker::BoundsChecker(const void* data, |
| 15 uint32_t data_num_bytes, | 15 uint32_t data_num_bytes, |
| 16 size_t num_handles) | 16 size_t num_handles) |
| 17 : data_begin_(reinterpret_cast<uintptr_t>(data)), | 17 : data_begin_(reinterpret_cast<uintptr_t>(data)), |
| 18 data_end_(data_begin_ + data_num_bytes), | 18 data_end_(data_begin_ + data_num_bytes), |
| 19 handle_begin_(0), | 19 handle_begin_(0), |
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| 68 | 68 |
| 69 return InternalIsValidRange(begin, end); | 69 return InternalIsValidRange(begin, end); |
| 70 } | 70 } |
| 71 | 71 |
| 72 bool BoundsChecker::InternalIsValidRange(uintptr_t begin, uintptr_t end) const { | 72 bool BoundsChecker::InternalIsValidRange(uintptr_t begin, uintptr_t end) const { |
| 73 return end > begin && begin >= data_begin_ && end <= data_end_; | 73 return end > begin && begin >= data_begin_ && end <= data_end_; |
| 74 } | 74 } |
| 75 | 75 |
| 76 } // namespace internal | 76 } // namespace internal |
| 77 } // namespace mojo | 77 } // namespace mojo |
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