levin@chromium.org | 5c52868 | 2011-03-28 10:54:15 +0900 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
brettw@chromium.org | 3cd7170 | 2010-11-10 10:16:11 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
thakis@chromium.org | 927d728 | 2011-05-20 08:34:17 +0900 | [diff] [blame] | 5 | #include "base/scoped_native_library.h" |
brettw@chromium.org | 3cd7170 | 2010-11-10 10:16:11 +0900 | [diff] [blame] | 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) { |
evan@chromium.org | 629d58e | 2011-04-19 07:06:22 +0900 | [diff] [blame] | 17 | library_ = base::LoadNativeLibrary(library_path, NULL); |
brettw@chromium.org | 3cd7170 | 2010-11-10 10:16:11 +0900 | [diff] [blame] | 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 |