Function shell_write_file

framework_lib/src/fw_uefi/fs.rs:75–95

(path: &str, data: &[u8])

}

pub fn shell_write_file(path: &str, data: &[u8]) -> Result {
    let shell = get_shell_protocol();
    let c_path =
        CString16::try_from(path).map_err(|_| uefi::Error::from(Status::INVALID_PARAMETER))?;

    unsafe {
        let mode = FileMode::READ | FileMode::WRITE | FileMode::CREATE;
        let mut handle: MaybeUninit<ShellFileHandle> = MaybeUninit::zeroed();
        (shell.open_file_by_name)(c_path.as_ptr().cast(), handle.as_mut_ptr(), mode.bits())
            .to_result()?;

        let file_handle = handle.assume_init();

        let mut write_size = data.len();
        let status = (shell.write_file)(file_handle, &mut write_size, data.as_ptr() as *mut _);

        let _ = (shell.close_file)(file_handle);

        status.to_result()
    }
}