Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "vector_output_stream.h" |
| 18 | |
Andreas Gampe | 5794381 | 2017-12-06 21:39:13 -0800 | [diff] [blame^] | 19 | #include <android-base/logging.h> |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 20 | |
| 21 | namespace art { |
Vladimir Marko | 7452797 | 2016-11-29 15:57:32 +0000 | [diff] [blame] | 22 | namespace linker { |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 23 | |
Ian Rogers | 0279ebb | 2014-10-08 17:27:48 -0700 | [diff] [blame] | 24 | VectorOutputStream::VectorOutputStream(const std::string& location, std::vector<uint8_t>* vector) |
Vladimir Marko | 131980f | 2015-12-03 18:29:23 +0000 | [diff] [blame] | 25 | : OutputStream(location), offset_(vector->size()), vector_(vector) {} |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 26 | |
Brian Carlstrom | 49a0f15 | 2013-01-22 17:17:36 -0800 | [diff] [blame] | 27 | off_t VectorOutputStream::Seek(off_t offset, Whence whence) { |
| 28 | CHECK(whence == kSeekSet || whence == kSeekCurrent || whence == kSeekEnd) << whence; |
| 29 | off_t new_offset = 0; |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 30 | switch (whence) { |
Brian Carlstrom | 49a0f15 | 2013-01-22 17:17:36 -0800 | [diff] [blame] | 31 | case kSeekSet: { |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 32 | new_offset = offset; |
| 33 | break; |
| 34 | } |
Brian Carlstrom | 49a0f15 | 2013-01-22 17:17:36 -0800 | [diff] [blame] | 35 | case kSeekCurrent: { |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 36 | new_offset = offset_ + offset; |
| 37 | break; |
| 38 | } |
Brian Carlstrom | 49a0f15 | 2013-01-22 17:17:36 -0800 | [diff] [blame] | 39 | case kSeekEnd: { |
Ian Rogers | 0279ebb | 2014-10-08 17:27:48 -0700 | [diff] [blame] | 40 | new_offset = vector_->size() + offset; |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 41 | break; |
| 42 | } |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 43 | } |
| 44 | EnsureCapacity(new_offset); |
| 45 | offset_ = new_offset; |
| 46 | return offset_; |
| 47 | } |
| 48 | |
Vladimir Marko | 7452797 | 2016-11-29 15:57:32 +0000 | [diff] [blame] | 49 | } // namespace linker |
Brian Carlstrom | cd60ac7 | 2013-01-20 17:09:51 -0800 | [diff] [blame] | 50 | } // namespace art |