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tty/vt: Gather the code that outputs char with utf8 in mind

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When we putting character to the tty, we take into account the keyboard
mode to properly handle utf8. This code is duplicated few times.

Signed-off-by: Alexey Gladkov <legion@kernel.org>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/c0d10193e61f977b518862d8f216bbaf234138fd.1740141518.git.legion@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexey Gladkov 2025-02-21 13:43:53 +01:00 • committed by Greg Kroah-Hartman
parent 366cf0c3af
commit f92217683a
1 changed files with 14 additions and 21 deletions
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35
drivers/tty/vt/keyboard.c
View file

@ -376,6 +376,17 @@ static void to_utf8(struct vc_data *vc, uint c)
}
}
static void put_queue_utf8(struct vc_data *vc, u32 value)
{
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, value);
else {
int c = conv_uni_to_8bit(value);
if (c != -1)
put_queue(vc, c);
}
}
/* FIXME: review locking for vt.c callers */
static void set_leds(void)
{
@ -454,13 +465,7 @@ static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch)
if (ch == ' ' || ch == (BRL_UC_ROW|0) || ch == d)
return d;
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, d);
else {
int c = conv_uni_to_8bit(d);
if (c != -1)
put_queue(vc, c);
}
put_queue_utf8(vc, d);
return ch;
}
@ -471,13 +476,7 @@ static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch)
static void fn_enter(struct vc_data *vc)
{
if (diacr) {
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, diacr);
else {
int c = conv_uni_to_8bit(diacr);
if (c != -1)
put_queue(vc, c);
}
put_queue_utf8(vc, diacr);
diacr = 0;
}
@ -685,13 +684,7 @@ static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag)
diacr = value;
return;
}
if (kbd->kbdmode == VC_UNICODE)
to_utf8(vc, value);
else {
int c = conv_uni_to_8bit(value);
if (c != -1)
put_queue(vc, c);
}
put_queue_utf8(vc, value);
}
/*