Follow-up Comment #1, patch #7078 (project simulavr):

Nice catch. (Oh those pesky C string functions. How difficult to get right.
And how boring.)

However the strncat() copies the specified number of bytes _plus_ NUL byte.
See wikipedia http://en.wikipedia.org/wiki/Strcat#strncat
"Common mistakes are..."
In the original patch it overwrites one byte. This new one does not, I hope.

(file #19585)
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