Re: Usage of strncpy in the kernel

> strncpy() has the advantage of working nicely and predictably
> regardless of whether the known buffer's length is that of the source
> or that of the destination.  I.e. one can use it to copy a known
> number of possibly (or definitely) unterminated chars from an array
> of a given length into an array of the same or larger size;

Huh?

If I have an array [N1], NUL-terminated unless length is N1, and I want
to copy that quasi-string into an array [N2], with truncation if src
length > N2 and NUL-termination if src length < N2...I can't see how
strncpy can do that.  I don't think it can do that even when it's known
N1<N2.  (Neither can any of the other str* functions I'm familiar with.
I don't think any single call can unless it takes two size arguments.)

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