Collin Funk wrote:
> On OpenBSD 7.8, gl_cv_func_printf_enomem is defined to "no". This case
> wasn't documented previously, but we can see the cause using this diff:
>
> diff --git a/m4/printf.m4 b/m4/printf.m4
> index 0de493b690..1221de172f 100644
> --- a/m4/printf.m4
> +++ b/m4/printf.m4
> @@ -1547,6 +1547,8 @@ AC_DEFUN([gl_PRINTF_ENOMEM]
> return 77;
> #endif
> ret = printf ("%.5000000f", 1.0);
> + printf ("%s\n", strerror (errno));
> + printf ("%d\n", ret);
> return !(ret == 5000002 || (ret < 0 && errno == ENOMEM));
> }
> ]])])
>
> It reveals that printf returns zero despite errno being set to ENOMEM
> and nothing being printed.
>
> Our autoconf tests already caught this, but here is a patch documenting
> it.
Thanks!
