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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 "base/native_library.h" | 5 #include "base/native_library.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 | 8 |
| 9 #include "base/file_util.h" | 9 #include "base/file_util.h" |
| 10 #include "base/strings/utf_string_conversions.h" | 10 #include "base/strings/utf_string_conversions.h" |
| 11 #include "base/threading/thread_restrictions.h" | 11 #include "base/threading/thread_restrictions.h" |
| 12 | 12 |
| 13 namespace base { | 13 namespace base { |
| 14 | 14 |
| 15 typedef HMODULE (WINAPI* LoadLibraryFunction)(const wchar_t* file_name); | 15 typedef HMODULE (WINAPI* LoadLibraryFunction)(const wchar_t* file_name); |
| 16 | 16 |
| 17 NativeLibrary LoadNativeLibraryHelper(const FilePath& library_path, | 17 NativeLibrary LoadNativeLibraryHelper(const FilePath& library_path, |
| 18 LoadLibraryFunction load_library_api) { | 18 LoadLibraryFunction load_library_api) { |
| 19 // LoadLibrary() opens the file off disk. | 19 // LoadLibrary() opens the file off disk. |
| 20 base::ThreadRestrictions::AssertIOAllowed(); | 20 ThreadRestrictions::AssertIOAllowed(); |
| 21 | 21 |
| 22 // Switch the current directory to the library directory as the library | 22 // Switch the current directory to the library directory as the library |
| 23 // may have dependencies on DLLs in this directory. | 23 // may have dependencies on DLLs in this directory. |
| 24 bool restore_directory = false; | 24 bool restore_directory = false; |
| 25 FilePath current_directory; | 25 FilePath current_directory; |
| 26 if (file_util::GetCurrentDirectory(¤t_directory)) { | 26 if (GetCurrentDirectory(¤t_directory)) { |
| 27 FilePath plugin_path = library_path.DirName(); | 27 FilePath plugin_path = library_path.DirName(); |
| 28 if (!plugin_path.empty()) { | 28 if (!plugin_path.empty()) { |
| 29 file_util::SetCurrentDirectory(plugin_path); | 29 SetCurrentDirectory(plugin_path); |
| 30 restore_directory = true; | 30 restore_directory = true; |
| 31 } | 31 } |
| 32 } | 32 } |
| 33 | 33 |
| 34 HMODULE module = (*load_library_api)(library_path.value().c_str()); | 34 HMODULE module = (*load_library_api)(library_path.value().c_str()); |
| 35 if (restore_directory) | 35 if (restore_directory) |
| 36 file_util::SetCurrentDirectory(current_directory); | 36 SetCurrentDirectory(current_directory); |
| 37 | 37 |
| 38 return module; | 38 return module; |
| 39 } | 39 } |
| 40 | 40 |
| 41 // static | 41 // static |
| 42 NativeLibrary LoadNativeLibrary(const FilePath& library_path, | 42 NativeLibrary LoadNativeLibrary(const FilePath& library_path, |
| 43 std::string* error) { | 43 std::string* error) { |
| 44 return LoadNativeLibraryHelper(library_path, LoadLibraryW); | 44 return LoadNativeLibraryHelper(library_path, LoadLibraryW); |
| 45 } | 45 } |
| 46 | 46 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 64 const char* name) { | 64 const char* name) { |
| 65 return GetProcAddress(library, name); | 65 return GetProcAddress(library, name); |
| 66 } | 66 } |
| 67 | 67 |
| 68 // static | 68 // static |
| 69 string16 GetNativeLibraryName(const string16& name) { | 69 string16 GetNativeLibraryName(const string16& name) { |
| 70 return name + ASCIIToUTF16(".dll"); | 70 return name + ASCIIToUTF16(".dll"); |
| 71 } | 71 } |
| 72 | 72 |
| 73 } // namespace base | 73 } // namespace base |
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