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Minimal test - lines (316, 350)

Code

nsresult nsAppFileLocationProvider::GetDefaultUserProfileRoot(
    nsIFile** aLocalFile, bool aLocal) {
  if (NS_WARN_IF(!aLocalFile)) {
    return NS_ERROR_INVALID_ARG;
  }

  nsresult rv;
  nsCOMPtr localDir;

  rv = GetProductDirectory(getter_AddRefs(localDir), aLocal);
  if (NS_FAILED(rv)) {
    return rv;
  }

#if defined(MOZ_WIDGET_COCOA) || defined(XP_WIN)
  // These 3 platforms share this part of the path - do them as one
  rv = localDir->AppendRelativeNativePath("Profiles"_ns);
  if (NS_FAILED(rv)) {
    return rv;
  }

  bool exists;
  rv = localDir->Exists(&exists);
  if (NS_SUCCEEDED(rv) && !exists) {
    rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0775);
  }
  if (NS_FAILED(rv)) {
    return rv;
  }
#endif

  localDir.forget(aLocalFile);

  return rv;
}

Minimal test - lines (406, 431)

Code

nsAppFileLocationProvider::GetFiles(const char* aProp,
                                    nsISimpleEnumerator** aResult) {
  if (NS_WARN_IF(!aResult)) {
    return NS_ERROR_INVALID_ARG;
  }
  *aResult = nullptr;
  nsresult rv = NS_ERROR_FAILURE;

  if (!nsCRT::strcmp(aProp, NS_APP_PLUGINS_DIR_LIST)) {
#ifdef MOZ_WIDGET_COCOA
    static const char* keys[] = {NS_MACOSX_USER_PLUGIN_DIR,
                                 NS_MACOSX_LOCAL_PLUGIN_DIR, nullptr};
#else
#  ifdef XP_UNIX
    static const char* keys[] = {NS_USER_PLUGINS_DIR, NS_SYSTEM_PLUGINS_DIR,
                                 nullptr};
#  else
    static const char* keys[] = {NS_USER_PLUGINS_DIR, nullptr};
#  endif
#endif
    *aResult = new nsAppDirectoryEnumerator(this, keys);
    NS_ADDREF(*aResult);
    rv = NS_OK;
  }
  return rv;
}

Minimal test - lines (356, 403)

Code

class nsAppDirectoryEnumerator : public nsSimpleEnumerator {
 public:
  /**
   * aKeyList is a null-terminated list of properties which are provided by
   * aProvider They do not need to be publicly defined keys.
   */
  nsAppDirectoryEnumerator(nsIDirectoryServiceProvider* aProvider,
                           const char* aKeyList[])
      : mProvider(aProvider), mCurrentKey(aKeyList) {}

  const nsID& DefaultInterface() override { return NS_GET_IID(nsIFile); }

  NS_IMETHOD HasMoreElements(bool* aResult) override {
    while (!mNext && *mCurrentKey) {
      bool dontCare;
      nsCOMPtr testFile;
      (void)mProvider->GetFile(*mCurrentKey++, &dontCare,
                               getter_AddRefs(testFile));
      mNext = testFile;
    }
    *aResult = mNext != nullptr;
    return NS_OK;
  }

  NS_IMETHOD GetNext(nsISupports** aResult) override {
    if (NS_WARN_IF(!aResult)) {
      return NS_ERROR_INVALID_ARG;
    }
    *aResult = nullptr;

    bool hasMore;
    HasMoreElements(&hasMore);
    if (!hasMore) {
      return NS_ERROR_FAILURE;
    }

    *aResult = mNext;
    NS_IF_ADDREF(*aResult);
    mNext = nullptr;

    return *aResult ? NS_OK : NS_ERROR_FAILURE;
  }

 protected:
  nsCOMPtr mProvider;
  const char** mCurrentKey;
  nsCOMPtr mNext;
};

Minimal test - lines (240, 306)

Code

nsresult nsAppFileLocationProvider::GetProductDirectory(nsIFile** aLocalFile,
                                                        bool aLocal) {
  if (NS_WARN_IF(!aLocalFile)) {
    return NS_ERROR_INVALID_ARG;
  }

  nsresult rv;
  bool exists;
  nsCOMPtr localDir;

#if defined(MOZ_WIDGET_COCOA)
  FSRef fsRef;
  OSType folderType =
      aLocal ? (OSType)kCachedDataFolderType : (OSType)kDomainLibraryFolderType;
  OSErr err = ::FSFindFolder(kUserDomain, folderType, kCreateFolder, &fsRef);
  if (err) {
    return NS_ERROR_FAILURE;
  }
  NS_NewLocalFile(u""_ns, true, getter_AddRefs(localDir));
  if (!localDir) {
    return NS_ERROR_FAILURE;
  }
  nsCOMPtr localDirMac(do_QueryInterface(localDir));
  rv = localDirMac->InitWithFSRef(&fsRef);
  if (NS_FAILED(rv)) {
    return rv;
  }
#elif defined(XP_WIN)
  nsCOMPtr directoryService =
      do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
  if (NS_FAILED(rv)) {
    return rv;
  }
  const char* prop = aLocal ? NS_WIN_LOCAL_APPDATA_DIR : NS_WIN_APPDATA_DIR;
  rv = directoryService->Get(prop, NS_GET_IID(nsIFile),
                             getter_AddRefs(localDir));
  if (NS_FAILED(rv)) {
    return rv;
  }
#elif defined(XP_UNIX)
  rv = NS_NewNativeLocalFile(nsDependentCString(PR_GetEnv("HOME")), true,
                             getter_AddRefs(localDir));
  if (NS_FAILED(rv)) {
    return rv;
  }
#else
#  error dont_know_how_to_get_product_dir_on_your_platform
#endif

  rv = localDir->AppendRelativeNativePath(DEFAULT_PRODUCT_DIR);
  if (NS_FAILED(rv)) {
    return rv;
  }
  rv = localDir->Exists(&exists);

  if (NS_SUCCEEDED(rv) && !exists) {
    rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700);
  }

  if (NS_FAILED(rv)) {
    return rv;
  }

  localDir.forget(aLocalFile);

  return rv;
}

Minimal test - lines (193, 230)

Code

nsresult nsAppFileLocationProvider::CloneMozBinDirectory(nsIFile** aLocalFile) {
  if (NS_WARN_IF(!aLocalFile)) {
    return NS_ERROR_INVALID_ARG;
  }
  nsresult rv;

  if (!mMozBinDirectory) {
    // Get the mozilla bin directory
    // 1. Check the directory service first for NS_XPCOM_CURRENT_PROCESS_DIR
    //    This will be set if a directory was passed to NS_InitXPCOM
    // 2. If that doesn't work, set it to be the current process directory
    nsCOMPtr directoryService(
        do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv));
    if (NS_FAILED(rv)) {
      return rv;
    }

    rv =
        directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile),
                              getter_AddRefs(mMozBinDirectory));
    if (NS_FAILED(rv)) {
      rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile),
                                 getter_AddRefs(mMozBinDirectory));
      if (NS_FAILED(rv)) {
        return rv;
      }
    }
  }

  nsCOMPtr aFile;
  rv = mMozBinDirectory->Clone(getter_AddRefs(aFile));
  if (NS_FAILED(rv)) {
    return rv;
  }

  NS_IF_ADDREF(*aLocalFile = aFile);
  return NS_OK;
}