[RFC] diagnostics.c: For terminals, restrict messages to terminal width?

[Dodji Seketeli]

Tobias Burnus <burnus@net-b.de> writes:

> 2014-12-06  Tobias Burnus  <burnus@net-b.de>
> 	    Manuel L³pez-Ib¡±ez  <manu@gcc.gnu.org>
>
> gcc/
> 	* diagnostic.c (get_terminal_width): Renamed from getenv_columns,
> 	removed static, and additionally use ioctl to get width.
> 	(diagnostic_set_caret_max_width): Update call.
> 	* diagnostic.h (get_terminal_width): Add prototype.
> 	* opts.c (print_specific_help): Use it for x_help_columns.
> 	* doc/invoke.texi (fdiagnostics-show-caret): Document how the
> 	width is set.
>
> gcc/fortran/
> 	* error.c (gfc_get_terminal_width): Renamed from
> 	get_terminal_width and use same-named common function.
> 	(gfc_error_init_1): Update call.

The diagnostics infrastructure changes are OK for me.  Thanks!

Cheers,

-- 
		Dodji