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| 1 // Copyright (c) 2011 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 #include "base/scoped_native_library.h" | |
| 6 | |
| 7 namespace base { | |
| 8 | |
| 9 ScopedNativeLibrary::ScopedNativeLibrary() : library_(NULL) { | |
| 10 } | |
| 11 | |
| 12 ScopedNativeLibrary::ScopedNativeLibrary(NativeLibrary library) | |
| 13 : library_(library) { | |
| 14 } | |
| 15 | |
| 16 ScopedNativeLibrary::ScopedNativeLibrary(const FilePath& library_path) { | |
| 17 library_ = base::LoadNativeLibrary(library_path, NULL); | |
| 18 } | |
| 19 | |
| 20 ScopedNativeLibrary::~ScopedNativeLibrary() { | |
| 21 if (library_) | |
| 22 base::UnloadNativeLibrary(library_); | |
| 23 } | |
| 24 | |
| 25 void* ScopedNativeLibrary::GetFunctionPointer( | |
| 26 const char* function_name) const { | |
| 27 if (!library_) | |
| 28 return NULL; | |
| 29 return base::GetFunctionPointerFromNativeLibrary(library_, function_name); | |
| 30 } | |
| 31 | |
| 32 void ScopedNativeLibrary::Reset(NativeLibrary library) { | |
| 33 if (library_) | |
| 34 base::UnloadNativeLibrary(library_); | |
| 35 library_ = library; | |
| 36 } | |
| 37 | |
| 38 NativeLibrary ScopedNativeLibrary::Release() { | |
| 39 NativeLibrary result = library_; | |
| 40 library_ = NULL; | |
| 41 return result; | |
| 42 } | |
| 43 | |
| 44 } // namespace base | |
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