1 // Copyright (c) 2009 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/native_library.h" 6 7 #include <dlfcn.h> 8 9 #include "base/file_path.h" 10 #include "base/logging.h" 11 #include "base/string_util.h" 12 13 namespace base { 14 15 // static 16 NativeLibrary LoadNativeLibrary(const FilePath& library_path) { 17 void* dl = dlopen(library_path.value().c_str(), RTLD_LAZY); 18 if (!dl) { 19 std::string error_message = dlerror(); 20 // Some obsolete plugins depend on libxul or libxpcom. 21 // Ignore the error messages when failing to load these. 22 if (error_message.find("libxul.so") == std::string::npos && 23 error_message.find("libxpcom.so") == std::string::npos) { 24 LOG(ERROR) << "dlopen failed when trying to open " << library_path.value() 25 << ": " << error_message; 26 } 27 } 28 29 return dl; 30 } 31 32 // static 33 void UnloadNativeLibrary(NativeLibrary library) { 34 int ret = dlclose(library); 35 if (ret < 0) { 36 LOG(ERROR) << "dlclose failed: " << dlerror(); 37 NOTREACHED(); 38 } 39 } 40 41 // static 42 void* GetFunctionPointerFromNativeLibrary(NativeLibrary library, 43 const char* name) { 44 return dlsym(library, name); 45 } 46 47 // static 48 string16 GetNativeLibraryName(const string16& name) { 49 return ASCIIToUTF16("lib") + name + ASCIIToUTF16(".so"); 50 } 51 52 } // namespace base 53
