1 /****************************************************************************
2 * Copyright (c) 1998 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 ****************************************************************************/
49 #include <curses.priv.h>
50 #include <term.h> /* cur_term */
52 MODULE_ID("$Id: lib_raw.c,v 1.3 1999/03/06 22:28:24 tom Exp $")
54 #if defined(SVR4_TERMIO) && !defined(_POSIX_SOURCE)
59 #include <sys/termio.h> /* needed for ISC */
67 #define COOKED_INPUT (IXON|BRKINT|PARMRK)
70 #define BEFORE(N) if (_nc_tracing&TRACE_BITS) _tracef("%s before bits: %s", N, _nc_tracebits())
71 #define AFTER(N) if (_nc_tracing&TRACE_BITS) _tracef("%s after bits: %s", N, _nc_tracebits())
79 T((T_CALLED("raw()")));
80 if (SP != 0 && cur_term != 0) {
86 setmode(SP->_ifd, O_BINARY);
91 cur_term->Nttyb.c_lflag &= ~(ICANON|ISIG);
92 cur_term->Nttyb.c_iflag &= ~(COOKED_INPUT);
93 cur_term->Nttyb.c_cc[VMIN] = 1;
94 cur_term->Nttyb.c_cc[VTIME] = 0;
97 cur_term->Nttyb.sg_flags |= RAW;
99 returnCode(_nc_set_tty_mode(&cur_term->Nttyb));
106 T((T_CALLED("cbreak()")));
111 setmode(SP->_ifd, O_BINARY);
116 cur_term->Nttyb.c_lflag &= ~ICANON;
117 cur_term->Nttyb.c_iflag &= ~ICRNL;
118 cur_term->Nttyb.c_lflag |= ISIG;
119 cur_term->Nttyb.c_cc[VMIN] = 1;
120 cur_term->Nttyb.c_cc[VTIME] = 0;
123 cur_term->Nttyb.sg_flags |= CBREAK;
125 returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
130 T((T_CALLED("qiflush()")));
133 * Note: this implementation may be wrong. See the comment under
139 cur_term->Nttyb.c_lflag &= ~(NOFLSH);
141 (void)_nc_set_tty_mode( &cur_term->Nttyb);
149 T((T_CALLED("noraw()")));
155 setmode(SP->_ifd, O_TEXT);
160 cur_term->Nttyb.c_lflag |= ISIG|ICANON;
161 cur_term->Nttyb.c_iflag |= COOKED_INPUT;
164 cur_term->Nttyb.sg_flags &= ~(RAW|CBREAK);
166 returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
172 T((T_CALLED("nocbreak()")));
177 setmode(SP->_ifd, O_TEXT);
182 cur_term->Nttyb.c_lflag |= ICANON;
183 cur_term->Nttyb.c_iflag |= ICRNL;
186 cur_term->Nttyb.sg_flags &= ~CBREAK;
188 returnCode(_nc_set_tty_mode( &cur_term->Nttyb));
193 T((T_CALLED("noqiflush()")));
196 * Note: this implementation may be wrong. See the comment under
202 cur_term->Nttyb.c_lflag |= NOFLSH;
204 (void)_nc_set_tty_mode( &cur_term->Nttyb);
209 int intrflush(WINDOW *win GCC_UNUSED, bool flag)
211 T((T_CALLED("intrflush(%d)"), flag));
214 * This call does the same thing as the qiflush()/noqiflush()
215 * pair. We know for certain that SVr3 intrflush() tweaks the
216 * NOFLSH bit; on the other hand, the match (in the SVr4 man
217 * pages) between the language describing NOFLSH in termio(7)
218 * and the language describing qiflush()/noqiflush() in
219 * curs_inopts(3x) is too exact to be coincidence.
225 cur_term->Nttyb.c_lflag &= ~(NOFLSH);
227 cur_term->Nttyb.c_lflag |= (NOFLSH);
229 returnCode(_nc_set_tty_mode( &cur_term->Nttyb));