components/nacl/common/nacl_paths.cc

   1 // Copyright 2013 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 "components/nacl/common/nacl_paths.h"
   6
   7 #include "base/file_util.h"
   8 #include "base/path_service.h"
   9
  10 namespace {
  11
  12 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  13 // File name of the nacl_helper and nacl_helper_bootstrap, Linux only.
  14 const base::FilePath::CharType kInternalNaClHelperFileName[] =
  15     FILE_PATH_LITERAL("nacl_helper");
  16 const base::FilePath::CharType kInternalNaClHelperBootstrapFileName[] =
  17     FILE_PATH_LITERAL("nacl_helper_bootstrap");
  18 #endif
  19
  20 }  // namespace
  21
  22 namespace nacl {
  23
  24 bool PathProvider(int key, base::FilePath* result) {
  25   base::FilePath cur;
  26   switch (key) {
  27 #if defined(OS_LINUX)
  28     case FILE_NACL_HELPER:
  29       if (!PathService::Get(base::DIR_MODULE, &cur))
  30         return false;
  31       cur = cur.Append(kInternalNaClHelperFileName);
  32       break;
  33     case FILE_NACL_HELPER_BOOTSTRAP:
  34       if (!PathService::Get(base::DIR_MODULE, &cur))
  35         return false;
  36       cur = cur.Append(kInternalNaClHelperBootstrapFileName);
  37       break;
  38 #endif
  39     default:
  40       return false;
  41   }
  42
  43   *result = cur;
  44   return true;
  45 }
  46
  47 // This cannot be done as a static initializer sadly since Visual Studio will
  48 // eliminate this object file if there is no direct entry point into it.
  49 void RegisterPathProvider() {
  50   PathService::RegisterProvider(PathProvider, PATH_START, PATH_END);
  51 }
  52
  53 }  // namespace nacl