[PATCH 2/2] newlib/doc/makedoc.c: if realloc() fails, exit with an error message.

[C Howland]

> ------------------------------
> *From:* Newlib <newlib-bounces+craig.howland=caci.com@sourceware.org> on
> behalf of Joel Sherrill <joel@rtems.org>
> *Sent:* Thursday, June 17, 2021 5:53 PM
> *To:* newlib@sourceware.org <newlib@sourceware.org>
> *Subject:* [PATCH 2/2] newlib/doc/makedoc.c: if realloc() fails, exit
> with an error message.
>
>
> ---
>  newlib/doc/makedoc.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/newlib/doc/makedoc.c b/newlib/doc/makedoc.c
> index 966349c51..81aa6f941 100644
> --- a/newlib/doc/makedoc.c
> +++ b/newlib/doc/makedoc.c
> @@ -135,6 +135,11 @@ catchar (string_type *buffer, char ch)
>    {
>      buffer->size *=2;
>      buffer->ptr = realloc(buffer->ptr, buffer->size);
> +    if (!buffer->ptr)
> +    {
> +      fprintf(stderr,"Can't allocate memory\n");
> +      exit(1);
> +    }
>    }
>
>    buffer->ptr[buffer->write_idx ++ ] = ch;
> --
> 2.24.4
>
> Both patches look sane.