Class WASIDriveFileSystemProvider

constructor

• new WASIDriveFileSystemProvider(
      fsOrDrive: WASIFS | WASIDrive,
      options?: WASIDriveFileSystemProviderOptions,
  ): WASIDriveFileSystemProvider

  Parameters

  • fsOrDrive: WASIFS | WASIDrive
  • Optionaloptions: WASIDriveFileSystemProviderOptions

  Returns WASIDriveFileSystemProvider

Readonlydrive

fdClose

• fdClose(fd: number): void

  Close the descriptor.

  Parameters

  • fd: number

  Returns void

fdFdstatGet

• fdFdstatGet(fd: number): Fdstat

  Return the descriptor's fdstat record.

  Parameters

  • fd: number

  Returns Fdstat

fdFdstatSetFlags

• fdFdstatSetFlags(fd: number, flags: number): void

  Update the descriptor's file-descriptor flags (APPEND / NONBLOCK / …).

  Parameters

  • fd: number
  • flags: number

  Returns void

fdFilestatGet

• fdFilestatGet(fd: number): Filestat

  Return the descriptor's filestat record.

  Parameters

  • fd: number

  Returns Filestat

fdPrestatDirName

• fdPrestatDirName(fd: number): string

  Return the preopen's directory name for fd (e.g. ".").

  Parameters

  • fd: number

  Returns string

fdPrestatGet

• fdPrestatGet(fd: number): null | PreopenInfo

  Return the preopen description for fd, or null if not a preopen.

  Parameters

  • fd: number

  Returns null | PreopenInfo

fdRead

• fdRead(fd: number, bufs: Uint8Array<ArrayBufferLike>[]): number

  Read into the provided buffer list; returns total bytes read.

  Parameters

  • fd: number
  • bufs: Uint8Array<ArrayBufferLike>[]

  Returns number

fdReaddir

• fdReaddir(fd: number, cookie: bigint): DirEntry[]

  Read directory entries. Returns up to the entries starting from cookie. The runtime is responsible for truncating to the guest's buffer size.

  Parameters

  • fd: number
  • cookie: bigint

  Returns DirEntry[]

fdSeek

• fdSeek(fd: number, offset: bigint, whence: number): bigint

  Seek; returns the new absolute offset.

  Parameters

  • fd: number
  • offset: bigint
  • whence: number

  Returns bigint

fdWrite

• fdWrite(fd: number, bufs: Uint8Array<ArrayBufferLike>[]): number

  Write the provided buffer list; returns total bytes written.

  Parameters

  • fd: number
  • bufs: Uint8Array<ArrayBufferLike>[]

  Returns number

pathCreateDirectory

• pathCreateDirectory(fdDir: number, path: string): void

  Create a directory at path relative to fdDir.

  Parameters

  • fdDir: number
  • path: string

  Returns void

pathFilestatGet

• pathFilestatGet(fdDir: number, _dirflags: number, path: string): Filestat

  Stat a path relative to fdDir.

  Parameters

  • fdDir: number
  • _dirflags: number
  • path: string

  Returns Filestat

pathOpen

• pathOpen(
      fdDir: number,
      _dirflags: number,
      path: string,
      oflags: number,
      _rightsBase: bigint,
      _rightsInheriting: bigint,
      fdflags: number,
  ): number

  Open a path relative to the directory fdDir. Returns the new fd. oflags / fdflags mirror preview1 semantics.

  Parameters

  • fdDir: number
  • _dirflags: number
  • path: string
  • oflags: number
  • _rightsBase: bigint
  • _rightsInheriting: bigint
  • fdflags: number

  Returns number

pathRemoveDirectory

• pathRemoveDirectory(fdDir: number, path: string): void

  Remove an (empty) directory at path relative to fdDir.

  Parameters

  • fdDir: number
  • path: string

  Returns void

pathRename

• pathRename(
      oldFdDir: number,
      oldPath: string,
      newFdDir: number,
      newPath: string,
  ): void

  Rename oldPath under oldFdDir to newPath under newFdDir.

  Parameters

  • oldFdDir: number
  • oldPath: string
  • newFdDir: number
  • newPath: string

  Returns void

pathUnlinkFile

• pathUnlinkFile(fdDir: number, path: string): void

  Remove a file at path relative to fdDir.

  Parameters

  • fdDir: number
  • path: string

  Returns void