* Copyright (c) 1988 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
static char sccsid
[] = "@(#)terminal.c 1.17 (Berkeley) %G%";
char ttyobuf
[2*BUFSIZ
], ttyibuf
[BUFSIZ
];
int termdata
; /* Debugging flag */
char termLiteralNextChar
;
* initialize the terminal data structures.
if (ring_init(&ttyoring
, ttyobuf
, sizeof ttyobuf
) != 1) {
if (ring_init(&ttyiring
, ttyibuf
, sizeof ttyibuf
) != 1) {
autoflush
= TerminalAutoFlush();
* Send as much data as possible to the terminal.
* -1: No useful work done, data waiting to go out.
* 0: No data was waiting, so nothing was done.
* 1: All waiting data was written out.
* n: All data - n was written out.
n0
= ring_full_count(&ttyoring
);
if ((n1
= n
= ring_full_consecutive(&ttyoring
)) > 0) {
/* we leave 'n' alone! */
n
= TerminalWrite(ttyoring
.consume
, n
);
Dump('>', ttyoring
.consume
, n
);
* If we wrote everything, and the full count is
* larger than what we wrote, then write the
n1
= TerminalWrite(ttyoring
.bottom
, n1
);
ring_consumed(&ttyoring
, n
);
* These routines decides on what the mode should be (based on the values
* of various global variables).
extern int kludgelinemode
;
if (my_want_state_is_dont(TELOPT_ECHO
))
if (my_want_state_is_will(TELOPT_BINARY
))
if (his_want_state_is_will(TELOPT_BINARY
))
if (my_want_state_is_dont(TELOPT_SGA
)) {
mode
|= (MODE_TRAPSIG
|MODE_EDIT
);
if (dontlecho
&& (clocks
.echotoggle
> clocks
.modenegotiated
)) {
if (my_want_state_is_will(TELOPT_LINEMODE
))
TerminalNewMode(getconnmode()|(force
?MODE_FORCE
:0));