1 /****************************************************************************
2 * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1998-on *
33 * and: Juergen Pfeifer 2009 *
34 ****************************************************************************/
50 #include <curses.priv.h>
52 MODULE_ID("$Id: lib_raw.c,v 1.20 2011/04/16 16:42:10 tom Exp $")
55 #include <sys/termio.h> /* needed for ISC */
60 #define _nc_setmode(mode) setmode(SP_PARM->_ifd, mode)
62 #define _nc_setmode(mode) /* nothing */
65 #define COOKED_INPUT (IXON|BRKINT|PARMRK)
68 #define BEFORE(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())
69 #define AFTER(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())
76 NCURSES_SP_NAME(raw) (NCURSES_SP_DCL0)
81 T((T_CALLED("raw(%p)"), (void *) SP_PARM));
82 if ((termp = TerminalOf(SP_PARM)) != 0) {
86 _nc_setmode(O_BINARY);
90 buf.c_lflag &= (unsigned) ~(ICANON | ISIG | IEXTEN);
91 buf.c_iflag &= (unsigned) ~(COOKED_INPUT);
97 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
100 SP_PARM->_cbreak = 1;
112 return NCURSES_SP_NAME(raw) (CURRENT_SCREEN);
117 NCURSES_SP_NAME(cbreak) (NCURSES_SP_DCL0)
122 T((T_CALLED("cbreak(%p)"), (void *) SP_PARM));
123 if ((termp = TerminalOf(SP_PARM)) != 0) {
127 _nc_setmode(O_BINARY);
131 buf.c_lflag &= (unsigned) ~ICANON;
132 buf.c_iflag &= (unsigned) ~ICRNL;
137 buf.sg_flags |= CBREAK;
139 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
141 SP_PARM->_cbreak = 1;
153 return NCURSES_SP_NAME(cbreak) (CURRENT_SCREEN);
159 * this implementation may be wrong. See the comment under intrflush().
162 NCURSES_SP_NAME(qiflush) (NCURSES_SP_DCL0)
167 T((T_CALLED("qiflush(%p)"), (void *) SP_PARM));
168 if ((termp = TerminalOf(SP_PARM)) != 0) {
174 buf.c_lflag &= (unsigned) ~(NOFLSH);
175 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
190 NCURSES_SP_NAME(qiflush) (CURRENT_SCREEN);
195 NCURSES_SP_NAME(noraw) (NCURSES_SP_DCL0)
200 T((T_CALLED("noraw(%p)"), (void *) SP_PARM));
201 if ((termp = TerminalOf(SP_PARM)) != 0) {
209 buf.c_lflag |= ISIG | ICANON |
210 (termp->Ottyb.c_lflag & IEXTEN);
211 buf.c_iflag |= COOKED_INPUT;
213 buf.sg_flags &= ~(RAW | CBREAK);
215 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
217 SP_PARM->_raw = FALSE;
218 SP_PARM->_cbreak = 0;
230 return NCURSES_SP_NAME(noraw) (CURRENT_SCREEN);
235 NCURSES_SP_NAME(nocbreak) (NCURSES_SP_DCL0)
240 T((T_CALLED("nocbreak(%p)"), (void *) SP_PARM));
241 if ((termp = TerminalOf(SP_PARM)) != 0) {
249 buf.c_lflag |= ICANON;
250 buf.c_iflag |= ICRNL;
252 buf.sg_flags &= ~CBREAK;
254 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
256 SP_PARM->_cbreak = 0;
268 return NCURSES_SP_NAME(nocbreak) (CURRENT_SCREEN);
273 NCURSES_SP_NAME(noqiflush) (NCURSES_SP_DCL0)
278 T((T_CALLED("noqiflush(%p)"), (void *) SP_PARM));
279 if ((termp = TerminalOf(SP_PARM)) != 0) {
285 buf.c_lflag |= NOFLSH;
286 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
301 NCURSES_SP_NAME(noqiflush) (CURRENT_SCREEN);
306 * This call does the same thing as the qiflush()/noqiflush() pair. We know
307 * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,
308 * the match (in the SVr4 man pages) between the language describing NOFLSH in
309 * termio(7) and the language describing qiflush()/noqiflush() in
310 * curs_inopts(3x) is too exact to be coincidence.
313 NCURSES_SP_NAME(intrflush) (NCURSES_SP_DCLx WINDOW *win GCC_UNUSED, bool flag)
318 T((T_CALLED("intrflush(%p,%d)"), (void *) SP_PARM, flag));
322 if ((termp = TerminalOf(SP_PARM)) != 0) {
329 buf.c_lflag &= (unsigned) ~(NOFLSH);
331 buf.c_lflag |= (NOFLSH);
332 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
346 intrflush(WINDOW *win GCC_UNUSED, bool flag)
348 return NCURSES_SP_NAME(intrflush) (CURRENT_SCREEN, win, flag);