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Support nonstandard (not yet all supported) flow control options. `ctsflow'

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and `rtsflow' are the components of `crtscts'.  `dtrflow' and `dsrflow' are
new and not yet supported.  `dtrflow' may be useful for Cyclades serial
careds, which have h/w support for it and no h/w support for `rtsflow'.

print.c:
Report NTTYDISC in case the line is in this obsolescent state.
This commit is contained in:
Bruce Evans 1995-04-29 15:17:17 +00:00
parent 280bdae500
commit 2bf5814ab5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=8170
2 changed files with 32 additions and 7 deletions
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10
bin/stty/modes.c
View File

@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
* $Id: modes.c,v 1.2 1994/09/24 02:58:59 davidg Exp $
*/
#ifndef lint
@ -81,6 +81,14 @@ struct modes cmodes[] = {
{ "-clocal", 0, CLOCAL },
{ "crtscts", CRTSCTS, 0 },
{ "-crtscts", 0, CRTSCTS },
{ "ctsflow", CCTS_OFLOW, 0 },
{ "-ctsflow", 0, CCTS_OFLOW },
{ "dsrflow", CDSR_OFLOW, 0 },
{ "-dsrflow", 0, CDSR_OFLOW },
{ "dtrflow", CDTR_IFLOW, 0 },
{ "-dtrflow", 0, CDTR_IFLOW },
{ "rtsflow", CRTS_IFLOW, 0 },
{ "-rtsflow", 0, CRTS_IFLOW },
{ "mdmbuf", MDMBUF, 0 },
{ "-mdmbuf", 0, MDMBUF },
{ NULL },

29
bin/stty/print.c
View File

@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: print.c,v 1.2 1994/09/24 02:58:59 davidg Exp $
* $Id: print.c,v 1.3 1995/04/28 19:29:30 ache Exp $
*/
#ifndef lint
@ -46,6 +46,8 @@ static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
#include "stty.h"
#include "extern.h"
#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */
static void binit __P((char *));
static void bput __P((char *));
static char *ccval __P((struct cchar *, int));
@ -71,6 +73,9 @@ print(tp, wp, ldisc, fmt)
case TABLDISC:
cnt += printf("tablet disc; ");
break;
case NTTYDISC:
cnt += printf("new tty disc; ");
break;
case SLIPDISC:
cnt += printf("slip disc; ");
break;
@ -96,10 +101,10 @@ print(tp, wp, ldisc, fmt)
if (cnt)
(void)printf("\n");
#define on(f) ((tmp&f) != 0)
#define on(f) ((tmp & (f)) != 0)
#define put(n, f, d) \
if (fmt >= BSD || on(f) != d) \
bput(n + on(f));
if (fmt >= BSD || on(f) != (d)) \
bput((n) + on(f));
/* "local" flags */
tmp = tp->c_lflag;
@ -169,8 +174,20 @@ print(tp, wp, ldisc, fmt)
put("-hupcl", HUPCL, 1);
put("-clocal", CLOCAL, 0);
put("-cstopb", CSTOPB, 0);
put("-crtscts", CRTSCTS, 0);
put("-mdmbuf", MDMBUF, 0);
switch(tmp & (CCTS_OFLOW | CRTS_IFLOW)) {
case CCTS_OFLOW:
bput("ctsflow");
break;
case CRTS_IFLOW:
bput("rtsflow");
break;
default:
put("-crtscts", CCTS_OFLOW | CRTS_IFLOW, 0);
break;
}
put("-dsrflow", CDSR_OFLOW, 0);
put("-dtrflow", CDTR_IFLOW, 0);
put("-mdmbuf", MDMBUF, 0); /* XXX mdmbuf == dtrflow */
/* special control characters */
cc = tp->c_cc;