[Bug 1663] dumplease not show end symbol at client hostname

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=1663

--- Comment #6 from Denys Vlasenko <vda.linux at googlemail.com>  ---
(In reply to comment #5)
> (In reply to comment #4)
> > what will happen if hostname_len == sizeof(oldest->hostname) ??

> dumpleases show garbage (rt3052 mips LE) or segfault on dhcp client send
> hotsname (rtl8672 mips BE)

Is it an answer to my question?

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