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Re: [PATCH] manual: Various fixes to the mbstouwcs example
- From: Andreas Schwab <schwab at suse dot de>
- To: fweimer at redhat dot com (Florian Weimer)
- Cc: libc-alpha at sourceware dot org
- Date: Wed, 04 Apr 2018 16:19:42 +0200
- Subject: Re: [PATCH] manual: Various fixes to the mbstouwcs example
- References: <20180404135740.A283E406F5A23@oldenburg.str.redhat.com>
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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