[coreboot] [PATCH] coreinfo: suppress non-printables in ramdump and bootlog
Peter Stuge
peter at stuge.se
Tue Sep 30 08:06:15 CEST 2008
Ulf Jordan wrote:
> Do not try to display non-printable characters on the bootlog and
> ramdump screens. This fixes unaligned display on serial console.
>
> The current isprint() implementation assumes a C locale, so also
> characters with the eigth bit set are supressed (they produced
> inconsistant results on VGA and serial anyway).
>
> Signed-off-by: Ulf Jordan <jordan at chalmers.se>
Acked-by: Peter Stuge <peter at stuge.se>
> Index: coreinfo/ramdump_module.c
> ===================================================================
> --- coreinfo/ramdump_module.c.orig 2008-09-10 21:32:48.000000000 +0200
> +++ coreinfo/ramdump_module.c 2008-09-10 21:34:11.000000000 +0200
> @@ -44,7 +44,8 @@
> mvwaddch(win, row + y, col + 76, '|');
> }
> mvwprintw(win, row + y, col + x + 9, "%02x", ptr[i - 1]);
> - mvwprintw(win, row + y, 62 + count++, "%c", ptr[i - 1]);
> + mvwprintw(win, row + y, 62 + count++, "%c",
> + isprint(ptr[i - 1]) ? ptr[i - 1] : ' ');
> x += 3;
> if (x == 24) /* One more space after column/byte 8. */
> x++;
> Index: coreinfo/bootlog_module.c
> ===================================================================
> --- coreinfo/bootlog_module.c.orig 2008-09-10 21:32:48.000000000 +0200
> +++ coreinfo/bootlog_module.c 2008-09-10 21:34:11.000000000 +0200
> @@ -63,7 +63,7 @@
>
> /* FIXME: Handle lines longer than 80 characters. */
> while (y <= 18) {
> - mvwaddnstr(win, y + 2, x, tmp, 1);
> + mvwaddch(win, y + 2, x, isprint(*tmp) ? *tmp : ' ');
> x++;
> tmp++;
> if (*tmp == '\n') {
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