Re: [Xen-devel] [PATCH 2/2] libxl: introduce gfx_passthru_kind

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Mar 09, 2015 at 02:45:36PM +0800, Chen, Tiejun wrote:
[...]
> >
> >>+                exit (1);
> >>+            }
> >>+        } else if (!xlu_cfg_get_string(config, "gfx_passthru", &buf, 0)) {
> >>+            if (libxl_gfx_passthru_kind_from_string(buf, 
> >>&b_info->u.hvm.gfx_passthru_kind)) {
> >
> >Ditto.
> >
> >>+                fprintf(stderr, "ERROR: invalid value \"%s\" for 
> >>\"gfx_passthru\"\n",
> >
> >Ditto.
> 
> So,
> 
> @@ -1959,13 +1959,15 @@ skip_vfb:
>              } else if (i == 1) {
>                  libxl_defbool_set(&b_info->u.hvm.gfx_passthru, true);
>              } else {
> -                fprintf(stderr, "ERROR: invalid value %ld for
> \"gfx_passthru\"\n", l);
> +                fprintf(stderr, "ERROR: invalid value %ld for"
> +                                " \"gfx_passthru\"\n", l);
>                  exit (1);
>              }
>          } else if (!xlu_cfg_get_string(config, "gfx_passthru", &buf, 0)) {
> -            if (libxl_gfx_passthru_kind_from_string(buf,
> &b_info->u.hvm.gfx_passthru_kind)) {
> -                fprintf(stderr, "ERROR: invalid value \"%s\" for
> \"gfx_passthru\"\n",
> -                        buf);
> +            if (libxl_gfx_passthru_kind_from_string(buf,
> + &b_info->u.hvm.gfx_passthru_kind)) {
> +                fprintf(stderr, "ERROR: invalid value \"%s\" for"
> +                                " \"gfx_passthru\"\n", buf);
>                  exit (1);
>              }
>              libxl_defbool_set(&b_info->u.hvm.gfx_passthru, false);
> 

Your changes are mangled by your email client. But we don't normally
split the format string so that it's easier to grep.

What we normally do is 

     fprintf(stderr,
             "FORMAT STRING",
             a, b, c);

If format string still treads over 80 column it's fine. We can live
with that.

Wei.

> Thanks
> Tiejun

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