Function _ipc_msg_get_file

components/lwp/lwp_ipc.c:406–418

* Get file vnode from fd. */

 * Get file vnode from fd.
 */
static void *_ipc_msg_get_file(int fd)
{
    struct dfs_file *d;

    d = fd_get(fd);
    if (d == RT_NULL)
        return RT_NULL;

    if (!d->vnode)
        return RT_NULL;

    return (void *)d;
}

/**
 * Get fd from file vnode.