[PATCH 13/45] tty: vt: define an enum for CSI+K codes

Jiri Slaby (SUSE)
2024-01-18T07:58:27Z

Decrypt the constant values by proper enum names. This time in csi_K().

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
---
drivers/tty/vt/vt.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 22ef7366c155..3e3ec9c28f26 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1542,6 +1542,12 @@ static void csi_J(struct vc_data *vc, int vpar)
vc->vc_need_wrap = 0;
}

+enum {
+ CSI_K_CURSOR_TO_LINEEND = 0,
+ CSI_K_LINESTART_TO_CURSOR = 1,
+ CSI_K_LINE = 2,
+};
+
static void csi_K(struct vc_data *vc, int vpar)
{
unsigned int count;
@@ -1549,15 +1555,15 @@ static void csi_K(struct vc_data *vc, int vpar)
int offset;

switch (vpar) {
- case 0: /* erase from cursor to end of line */
+ case CSI_K_CURSOR_TO_LINEEND:
offset = 0;
count = vc->vc_cols - vc->state.x;
break;
- case 1: /* erase from start of line to cursor */
+ case CSI_K_LINESTART_TO_CURSOR:
offset = -vc->state.x;
count = vc->state.x + 1;
break;
- case 2: /* erase whole line */
+ case CSI_K_LINE:
offset = -vc->state.x;
count = vc->vc_cols;
break;
--
2.43.0