[PATCH] manual: Various fixes to the mbstouwcs example

[Andreas Schwab]

On Apr 04 2018, fweimer@redhat.com (Florian Weimer) wrote:

> diff --git a/manual/examples/mbstouwcs.c b/manual/examples/mbstouwcs.c
> index 3a8b9a65f9..4012606bf1 100644
> --- a/manual/examples/mbstouwcs.c
> +++ b/manual/examples/mbstouwcs.c
> @@ -7,8 +7,11 @@
>  wchar_t *
>  mbstouwcs (const char *s)
>  {
> -  size_t len = strlen (s);
> -  wchar_t *result = malloc ((len + 1) * sizeof (wchar_t));
> +  /* Include the NUL terminator in the conversion.  */
> +  size_t len = strlen (s) + 1;
> +  wchar_t *result = reallocarray (NULL, len + 1, sizeof (wchar_t));

What is result[len] used for?

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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