[PATCH] xfsdump: handle Ctrl-D during prompts

[Christoph Hellwig]

On Wed, Nov 09, 2011 at 04:15:46PM -0600, Bill Kendall wrote:
> xfsdump does not currently handle Ctrl-D well during a dialog
> prompt. If some text is entered followed by Ctrl-D, an assert
> will trip because xfsdump expects a new-line character at the
> end of the user's input (or if asserts are disabled, the last
> character the user entered will be dropped).
> 
> If Ctrl-D is entered without entering any response, some dialog
> callers (e.g., tree_subtree_inter()) will abort because they
> receive an unexpected response code.
> 
> This patch changes xfsdump to treat Ctrl-D as if the user hit
> enter. User input (if any) will be passed back to the caller,
> and a new line will be echoed to the terminal.

Shouldn't Ctrl+D cause us to ignore the input that was added
before?  That's what I would expect from command line applications.