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Fix ESC[P (delete N chars) and ESC[@ (insert N chars). These deletion

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and insertion should affect the line the cursor is on only.

This change should have been committed together with syscons.c rev 1.308.
(I forgot to do so, when I committed syscons.c :-(

Pointed out by: sos
This commit is contained in:
yokota 1999-06-24 13:04:33 +00:00
parent 9fba32369d
commit 11083302d3
2 changed files with 21 additions and 2 deletions
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20
sys/dev/syscons/scvtb.c
View File

@ -23,7 +23,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id:$
* $Id: scvtb.c,v 1.1 1999/06/22 14:13:30 yokota Exp $
*/
#include "sc.h"
@ -231,6 +231,24 @@ sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr)
fillw(attr | c, (void *)sc_vtb_pointer(vtb, at), count);
}
void
sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count)
{
if (from + count > vtb->vtb_size)
count = vtb->vtb_size - from;
if (to + count > vtb->vtb_size)
count = vtb->vtb_size - to;
if (count <= 0)
return;
if (vtb->vtb_type == VTB_FRAMEBUFFER) {
bcopy_io(sc_vtb_pointer(vtb, from),
sc_vtb_pointer(vtb, to), count*sizeof(u_int16_t));
} else {
bcopy((void *)sc_vtb_pointer(vtb, from),
(void *)sc_vtb_pointer(vtb, to), count*sizeof(u_int16_t));
}
}
void
sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr)
{

3
sys/dev/syscons/syscons.h
View File

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.h,v 1.47 1999/04/12 13:34:56 des Exp $
* $Id: syscons.h,v 1.48 1999/06/22 14:13:32 yokota Exp $
*/
#ifndef _DEV_SYSCONS_SYSCONS_H_
@ -496,6 +496,7 @@ void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
int count);
void sc_vtb_seek(sc_vtb_t *vtb, int pos);
void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);