In article <Y7tI/c2n6vbdk...@exoticsilicon.com>,
Crystal Kolipe  <kolip...@exoticsilicon.com> wrote:
>The attached patch fixes a couple of off-by-ones in the wscons code.
>
>WSEMUL_VT_ID1 and WSEMUL_VT_ID2 are string constants, and sizeof returns the
>length of the string _plus_ the 0x00 terminator.  This size is then supplied
>to wsdisplay_emulinput, which expects to be passed just the number of
>printable characters.
>
>--- sys/dev/wscons/wsemul_vt100_subr.c.dist    2018-12-05 22:42:20.000000000 
>-0300
>+++ sys/dev/wscons/wsemul_vt100_subr.c 2023-01-08 19:25:52.747978285 -0300
>@@ -195,7 +195,7 @@
>       switch (A3(edp->modif1, edp->modif2, c)) {
>           case A3('>', '\0', 'c'): /* DA secondary */
>               wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID2,
>-                                  sizeof(WSEMUL_VT_ID2));
>+                                  sizeof(WSEMUL_VT_ID2)-1);
>               break;
> 
>           case A3('\0', '\0', 'J'): /* ED selective erase in display */
>@@ -452,7 +452,7 @@
>           case 'c': /* DA primary */
>               if (ARG(edp, 0) == 0)
>                       wsdisplay_emulinput(edp->cbcookie, WSEMUL_VT_ID1,
>-                                          sizeof(WSEMUL_VT_ID1));
>+                                          sizeof(WSEMUL_VT_ID1)-1);
>               break;
>           case 'g': /* TBC */
>               KASSERT(edp->tabs != 0);
>

Committed, thanks!

christos

Reply via email to