Re: [PATCH linux-next] x86/mce/dev-mcelog: use strscpy() to instead of strncpy()

[Ricardo Neri]

On Wed, Dec 14, 2022 at 09:29:59PM +0000, Luck, Tony wrote:
> >> The implementation of strscpy() is more robust and safer.
> >> That's now the recommended way to copy NUL terminated strings.
> >
> > It should read "NULL-terminated strings".
> 
> Both "NUL-terminated" and "NULL-terminated" seem to be used in the kernel
> source and commit comments.  NULL is ahead 124:45 in the source, but it
> is closer in the commit logs where the ratio is 129:76.
> 
> Single "L" NUL seems technically more accurate as the string terminator is
> an ascii NUL character. From man 5 ascii the character name is NUL (though
> the description says "null" to muddy the waters)
> 
>        Oct   Dec   Hex   Char
>        ───────────────────────────────────────────
>        000   0     00    NUL '\0' (null character)

Thanks for the analysis Tony. Indeed, I agree that "NUL-terminated" is
more accurate.

Thanks and BR,
Ricardo