[U-Boot] [PATCH 3/5] readline(): Add ability to modify a string buffer

[Wolfgang Denk]

Dear Peter Tyser,

In message <1256259563-32725-3-git-send-email-ptyser at xes-inc.com> you wrote:
> If the 'buf' parameter is a non-0-length string, its contents will be
> edited.  Previously, the initial value of 'buf' was ignored and the
> user entered its contents from scratch.

What is the purpose of this modification? Are you fixing a bug (which
one?) or implementing an extension (which one) or what?

Best regards,

Wolfgang Denk

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