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cat: Don't switch terminal mode when there is nothing to highlight.

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This just pollutes serial console.
This commit is contained in:
Vladimir Serbinenko 2016-02-26 12:26:56 +01:00
parent 070e190305
commit 8c26dace6f
1 changed files with 7 additions and 4 deletions
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11
grub-core/commands/cat.c
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@ -140,10 +140,13 @@ grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args)
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
for (j = 0; j < utcount; j++)
grub_printf ("<%x>", (unsigned int) utbuf[j]);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
if (utcount)
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
for (j = 0; j < utcount; j++)
grub_printf ("<%x>", (unsigned int) utbuf[j]);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
grub_xputs ("\n");
grub_refresh ();