1 /****************************************************************************
2 * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
3 * *
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: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
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. *
22 * *
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 *
26 * authorization. *
27 ****************************************************************************/
28
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <[email protected]> 1992,1995 *
31 * and: Eric S. Raymond <[email protected]> *
32 * and: Thomas E. Dickey 1998-on *
33 * and: Juergen Pfeifer 2009 *
34 ****************************************************************************/
35
36 /*
37 * raw.c
38 *
39 * Routines:
40 * raw()
41 * cbreak()
42 * noraw()
43 * nocbreak()
44 * qiflush()
45 * noqiflush()
46 * intrflush()
47 *
48 */
49
50 #include <curses.priv.h>
51
52 MODULE_ID("$Id: lib_raw.c,v 1.21 2012/01/21 19:21:29 KO.Myung-Hun Exp $")
53
54 #if HAVE_SYS_TERMIO_H
55 #include <sys/termio.h> /* needed for ISC */
56 #endif
57
58 #ifdef __EMX__
59 #include <io.h>
60 #define _nc_setmode(mode) setmode(SP_PARM->_ifd, mode)
61 #else
62 #define _nc_setmode(mode) /* nothing */
63 #endif
64
65 #if USE_KLIBC_KBD
66 #define INCL_KBD
67 #include <os2.h>
68 #endif
69
70 #define COOKED_INPUT (IXON|BRKINT|PARMRK)
71
72 #ifdef TRACE
73 #define BEFORE(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s before bits: %s", N, _nc_tracebits())
74 #define AFTER(N) if (USE_TRACEF(TRACE_BITS)) _nc_locked_tracef("%s after bits: %s", N, _nc_tracebits())
75 #else
76 #define BEFORE(s)
77 #define AFTER(s)
78 #endif /* TRACE */
79
NCURSES_EXPORT(int)80 NCURSES_EXPORT(int)
81 NCURSES_SP_NAME(raw) (NCURSES_SP_DCL0)
82 {
83 int result = ERR;
84 TERMINAL *termp;
85
86 T((T_CALLED("raw(%p)"), (void *) SP_PARM));
87 if ((termp = TerminalOf(SP_PARM)) != 0) {
88 TTY buf;
89
90 BEFORE("raw");
91 _nc_setmode(O_BINARY);
92
93 buf = termp->Nttyb;
94 #ifdef TERMIOS
95 buf.c_lflag &= (unsigned) ~(ICANON | ISIG | IEXTEN);
96 buf.c_iflag &= (unsigned) ~(COOKED_INPUT);
97 buf.c_cc[VMIN] = 1;
98 buf.c_cc[VTIME] = 0;
99 #else
100 buf.sg_flags |= RAW;
101 #endif
102 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
103 if (result == OK) {
104 #if USE_KLIBC_KBD
105 KBDINFO kbdinfo;
106
107 kbdinfo.cb = sizeof(kbdinfo);
108 KbdGetStatus(&kbdinfo, 0);
109
110 kbdinfo.cb = sizeof(kbdinfo);
111 kbdinfo.fsMask &= ~KEYBOARD_ASCII_MODE;
112 kbdinfo.fsMask |= KEYBOARD_BINARY_MODE;
113 KbdSetStatus(&kbdinfo, 0);
114 #endif
115 SP_PARM->_raw = TRUE;
116 SP_PARM->_cbreak = 1;
117 termp->Nttyb = buf;
118 }
119 AFTER("raw");
120 }
121 returnCode(result);
122 }
123
124 #if NCURSES_SP_FUNCS
125 NCURSES_EXPORT(int)
raw(void)126 raw(void)
127 {
128 return NCURSES_SP_NAME(raw) (CURRENT_SCREEN);
129 }
130 #endif
131
132 NCURSES_EXPORT(int)
NCURSES_SP_NAME(cbreak)133 NCURSES_SP_NAME(cbreak) (NCURSES_SP_DCL0)
134 {
135 int result = ERR;
136 TERMINAL *termp;
137
138 T((T_CALLED("cbreak(%p)"), (void *) SP_PARM));
139 if ((termp = TerminalOf(SP_PARM)) != 0) {
140 TTY buf;
141
142 BEFORE("cbreak");
143 _nc_setmode(O_BINARY);
144
145 buf = termp->Nttyb;
146 #ifdef TERMIOS
147 buf.c_lflag &= (unsigned) ~ICANON;
148 buf.c_iflag &= (unsigned) ~ICRNL;
149 buf.c_lflag |= ISIG;
150 buf.c_cc[VMIN] = 1;
151 buf.c_cc[VTIME] = 0;
152 #else
153 buf.sg_flags |= CBREAK;
154 #endif
155 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
156 if (result == OK) {
157 SP_PARM->_cbreak = 1;
158 termp->Nttyb = buf;
159 }
160 AFTER("cbreak");
161 }
162 returnCode(result);
163 }
164
165 #if NCURSES_SP_FUNCS
166 NCURSES_EXPORT(int)
cbreak(void)167 cbreak(void)
168 {
169 return NCURSES_SP_NAME(cbreak) (CURRENT_SCREEN);
170 }
171 #endif
172
173 /*
174 * Note:
175 * this implementation may be wrong. See the comment under intrflush().
176 */
177 NCURSES_EXPORT(void)
NCURSES_SP_NAME(qiflush)178 NCURSES_SP_NAME(qiflush) (NCURSES_SP_DCL0)
179 {
180 int result = ERR;
181 TERMINAL *termp;
182
183 T((T_CALLED("qiflush(%p)"), (void *) SP_PARM));
184 if ((termp = TerminalOf(SP_PARM)) != 0) {
185 TTY buf;
186
187 BEFORE("qiflush");
188 buf = termp->Nttyb;
189 #ifdef TERMIOS
190 buf.c_lflag &= (unsigned) ~(NOFLSH);
191 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
192 #else
193 /* FIXME */
194 #endif
195 if (result == OK)
196 termp->Nttyb = buf;
197 AFTER("qiflush");
198 }
199 returnVoid;
200 }
201
202 #if NCURSES_SP_FUNCS
203 NCURSES_EXPORT(void)
qiflush(void)204 qiflush(void)
205 {
206 NCURSES_SP_NAME(qiflush) (CURRENT_SCREEN);
207 }
208 #endif
209
210 NCURSES_EXPORT(int)
NCURSES_SP_NAME(noraw)211 NCURSES_SP_NAME(noraw) (NCURSES_SP_DCL0)
212 {
213 int result = ERR;
214 TERMINAL *termp;
215
216 T((T_CALLED("noraw(%p)"), (void *) SP_PARM));
217 if ((termp = TerminalOf(SP_PARM)) != 0) {
218 TTY buf;
219
220 BEFORE("noraw");
221 _nc_setmode(O_TEXT);
222
223 buf = termp->Nttyb;
224 #ifdef TERMIOS
225 buf.c_lflag |= ISIG | ICANON |
226 (termp->Ottyb.c_lflag & IEXTEN);
227 buf.c_iflag |= COOKED_INPUT;
228 #else
229 buf.sg_flags &= ~(RAW | CBREAK);
230 #endif
231 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
232 if (result == OK) {
233 #if USE_KLIBC_KBD
234 KBDINFO kbdinfo;
235
236 kbdinfo.cb = sizeof(kbdinfo);
237 KbdGetStatus(&kbdinfo, 0);
238
239 kbdinfo.cb = sizeof(kbdinfo);
240 kbdinfo.fsMask &= ~KEYBOARD_BINARY_MODE;
241 kbdinfo.fsMask |= KEYBOARD_ASCII_MODE;
242 KbdSetStatus(&kbdinfo, 0);
243 #endif
244 SP_PARM->_raw = FALSE;
245 SP_PARM->_cbreak = 0;
246 termp->Nttyb = buf;
247 }
248 AFTER("noraw");
249 }
250 returnCode(result);
251 }
252
253 #if NCURSES_SP_FUNCS
254 NCURSES_EXPORT(int)
noraw(void)255 noraw(void)
256 {
257 return NCURSES_SP_NAME(noraw) (CURRENT_SCREEN);
258 }
259 #endif
260
261 NCURSES_EXPORT(int)
NCURSES_SP_NAME(nocbreak)262 NCURSES_SP_NAME(nocbreak) (NCURSES_SP_DCL0)
263 {
264 int result = ERR;
265 TERMINAL *termp;
266
267 T((T_CALLED("nocbreak(%p)"), (void *) SP_PARM));
268 if ((termp = TerminalOf(SP_PARM)) != 0) {
269 TTY buf;
270
271 BEFORE("nocbreak");
272 _nc_setmode(O_TEXT);
273
274 buf = termp->Nttyb;
275 #ifdef TERMIOS
276 buf.c_lflag |= ICANON;
277 buf.c_iflag |= ICRNL;
278 #else
279 buf.sg_flags &= ~CBREAK;
280 #endif
281 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
282 if (result == OK) {
283 SP_PARM->_cbreak = 0;
284 termp->Nttyb = buf;
285 }
286 AFTER("nocbreak");
287 }
288 returnCode(result);
289 }
290
291 #if NCURSES_SP_FUNCS
292 NCURSES_EXPORT(int)
nocbreak(void)293 nocbreak(void)
294 {
295 return NCURSES_SP_NAME(nocbreak) (CURRENT_SCREEN);
296 }
297 #endif
298
299 NCURSES_EXPORT(void)
NCURSES_SP_NAME(noqiflush)300 NCURSES_SP_NAME(noqiflush) (NCURSES_SP_DCL0)
301 {
302 int result = ERR;
303 TERMINAL *termp;
304
305 T((T_CALLED("noqiflush(%p)"), (void *) SP_PARM));
306 if ((termp = TerminalOf(SP_PARM)) != 0) {
307 TTY buf;
308
309 BEFORE("noqiflush");
310 buf = termp->Nttyb;
311 #ifdef TERMIOS
312 buf.c_lflag |= NOFLSH;
313 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
314 #else
315 /* FIXME */
316 #endif
317 if (result == OK)
318 termp->Nttyb = buf;
319 AFTER("noqiflush");
320 }
321 returnVoid;
322 }
323
324 #if NCURSES_SP_FUNCS
325 NCURSES_EXPORT(void)
noqiflush(void)326 noqiflush(void)
327 {
328 NCURSES_SP_NAME(noqiflush) (CURRENT_SCREEN);
329 }
330 #endif
331
332 /*
333 * This call does the same thing as the qiflush()/noqiflush() pair. We know
334 * for certain that SVr3 intrflush() tweaks the NOFLSH bit; on the other hand,
335 * the match (in the SVr4 man pages) between the language describing NOFLSH in
336 * termio(7) and the language describing qiflush()/noqiflush() in
337 * curs_inopts(3x) is too exact to be coincidence.
338 */
339 NCURSES_EXPORT(int)
NCURSES_SP_NAME(intrflush)340 NCURSES_SP_NAME(intrflush) (NCURSES_SP_DCLx WINDOW *win GCC_UNUSED, bool flag)
341 {
342 int result = ERR;
343 TERMINAL *termp;
344
345 T((T_CALLED("intrflush(%p,%d)"), (void *) SP_PARM, flag));
346 if (SP_PARM == 0)
347 returnCode(ERR);
348
349 if ((termp = TerminalOf(SP_PARM)) != 0) {
350 TTY buf;
351
352 BEFORE("intrflush");
353 buf = termp->Nttyb;
354 #ifdef TERMIOS
355 if (flag)
356 buf.c_lflag &= (unsigned) ~(NOFLSH);
357 else
358 buf.c_lflag |= (NOFLSH);
359 result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
360 #else
361 /* FIXME */
362 #endif
363 if (result == OK) {
364 termp->Nttyb = buf;
365 }
366 AFTER("intrflush");
367 }
368 returnCode(result);
369 }
370
371 #if NCURSES_SP_FUNCS
372 NCURSES_EXPORT(int)
intrflush(WINDOW * win GCC_UNUSED,bool flag)373 intrflush(WINDOW *win GCC_UNUSED, bool flag)
374 {
375 return NCURSES_SP_NAME(intrflush) (CURRENT_SCREEN, win, flag);
376 }
377 #endif
378