base/scoped_native_library.cc

   1 // Copyright 2011 The Chromium Authors
   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 void NativeLibraryTraits::Free(NativeLibrary library) {
  10   UnloadNativeLibrary(library);
  11 }
  12
  13 using BaseClass = ScopedGeneric<NativeLibrary, NativeLibraryTraits>;
  14
  15 ScopedNativeLibrary::ScopedNativeLibrary() : BaseClass(), error_() {}
  16
  17 ScopedNativeLibrary::~ScopedNativeLibrary() = default;
  18
  19 ScopedNativeLibrary::ScopedNativeLibrary(NativeLibrary library)
  20     : BaseClass(library), error_() {}
  21
  22 ScopedNativeLibrary::ScopedNativeLibrary(const FilePath& library_path)
  23     : ScopedNativeLibrary() {
  24   reset(LoadNativeLibrary(library_path, &error_));
  25 }
  26
  27 ScopedNativeLibrary::ScopedNativeLibrary(ScopedNativeLibrary&& scoped_library)
  28     : BaseClass(scoped_library.release()), error_() {}
  29
  30 void* ScopedNativeLibrary::GetFunctionPointer(const char* function_name) const {
  31   if (!is_valid())
  32     return nullptr;
  33   return GetFunctionPointerFromNativeLibrary(get(), function_name);
  34 }
  35
  36 const NativeLibraryLoadError* ScopedNativeLibrary::GetError() const {
  37   return &error_;
  38 }
  39
  40 }  // namespace base