1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
|
/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include <stddef.h>
#include <termios.h>
#undef B0
#undef B50
#undef B75
#undef B110
#undef B134
#undef B150
#undef B200
#undef B300
#undef B600
#undef B1200
#undef B1800
#undef B2400
#undef B4800
#undef B9600
#undef B19200
#undef B38400
#undef EXTA
#undef EXTB
#undef ECHO
#undef TOSTOP
#undef NOFLSH
#undef MDMBUF
#undef FLUSHO
#undef PENDIN
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#undef CERASE
#undef CKILL
#undef CINTR
#undef CQUIT
#undef CSTART
#undef CSTOP
#undef CEOF
#undef CEOT
#undef CBRK
#undef CSUSP
#undef CDSUSP
#undef CRPRNT
#undef CFLUSH
#undef CWERASE
#undef CLNEXT
#undef CSTATUS
#define IOCPARM_MASK 0x7f
#define IOC_OUT 0x40000000
#define IOC_IN 0x80000000
#define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
#define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
#define FIONREAD _IOR('f', 127, int)
#define FIOASYNC _IOW('f', 125, int)
#define TIOCGETP _IOR('t', 8, struct sgttyb)
#define TIOCLGET _IOR('t', 124, int)
#define TIOCLSET _IOW('t', 125, int)
#define TIOCSETN _IOW('t', 10, struct sgttyb)
#define TIOCSETP _IOW('t', 9,struct sgttyb)/* set parameters -- stty */
#define TIOCFLUSH _IOW('t', 16, int) /* flush buffers */
#define TIOCSETC _IOW('t',17,struct tchars)/* set special characters */
#define TIOCGETC _IOR('t',18,struct tchars)/* get special characters */
#define TANDEM 0x00000001 /* send stopc on out q full */
#define CBREAK 0x00000002 /* half-cooked mode */
#define LCASE 0x00000004 /* simulate lower case */
#define ECHO 0x00000008 /* echo input */
#define CRMOD 0x00000010 /* map \r to \r\n on output */
#define RAW 0x00000020 /* no i/o processing */
#define ODDP 0x00000040 /* get/send odd parity */
#define EVENP 0x00000080 /* get/send even parity */
#define ANYP 0x000000c0 /* get any parity/send none */
#define PRTERA 0x00020000 /* \ ... / erase */
#define CRTERA 0x00040000 /* " \b " to wipe out char */
#define TILDE 0x00080000 /* hazeltine tilde kludge */
#define MDMBUF 0x00100000 /* start/stop output on carrier intr */
#define LITOUT 0x00200000 /* literal output */
#define TOSTOP 0x00400000 /* SIGSTOP on background output */
#define FLUSHO 0x00800000 /* flush output to terminal */
#define NOHANG 0x01000000 /* no SIGHUP on carrier drop */
#define L001000 0x02000000
#define CRTKIL 0x04000000 /* kill line with " \b " */
#define PASS8 0x08000000
#define CTLECH 0x10000000 /* echo control chars as ^X */
#define PENDIN 0x20000000 /* tp->t_rawq needs reread */
#define DECCTQ 0x40000000 /* only ^Q starts after ^S */
#define NOFLSH 0x80000000 /* no output flush on signal */
#define TIOCLSET _IOW('t', 125, int) /* set entire local mode word */
#define TIOCLGET _IOR('t', 124, int) /* get local modes */
#define LCRTBS (CRTBS>>16)
#define LPRTERA (PRTERA>>16)
#define LCRTERA (CRTERA>>16)
#define LTILDE (TILDE>>16)
#define LMDMBUF (MDMBUF>>16)
#define LLITOUT (LITOUT>>16)
#define LTOSTOP (TOSTOP>>16)
#define LFLUSHO (FLUSHO>>16)
#define LNOHANG (NOHANG>>16)
#define LCRTKIL (CRTKIL>>16)
#define LPASS8 (PASS8>>16)
#define LCTLECH (CTLECH>>16)
#define LPENDIN (PENDIN>>16)
#define LDECCTQ (DECCTQ>>16)
#define LNOFLSH (NOFLSH>>16)
#define TIOCSLTC _IOW('t',117,struct ltchars)/* set local special chars */
#define TIOCGLTC _IOR('t',116,struct ltchars)/* get local special chars */
#if defined(TIOCGETC) || defined(TIOCSETC)
/* Type of ARG for TIOCGETC and TIOCSETC requests. */
struct tchars
{
char t_intrc; /* Interrupt character. */
char t_quitc; /* Quit character. */
char t_startc; /* Start-output character. */
char t_stopc; /* Stop-output character. */
char t_eofc; /* End-of-file character. */
char t_brkc; /* Input delimiter character. */
};
#define _IOT_tchars /* Hurd ioctl type field. */ \
_IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif
#if defined(TIOCGLTC) || defined(TIOCSLTC)
/* Type of ARG for TIOCGLTC and TIOCSLTC requests. */
struct ltchars
{
char t_suspc; /* Suspend character. */
char t_dsuspc; /* Delayed suspend character. */
char t_rprntc; /* Reprint-line character. */
char t_flushc; /* Flush-output character. */
char t_werasc; /* Word-erase character. */
char t_lnextc; /* Literal-next character. */
};
#define _IOT_ltchars /* Hurd ioctl type field. */ \
_IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif
/* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty). */
struct sgttyb
{
char sg_ispeed; /* Input speed. */
char sg_ospeed; /* Output speed. */
char sg_erase; /* Erase character. */
char sg_kill; /* Kill character. */
short int sg_flags; /* Mode flags. */
};
const speed_t __bsd_speeds[] =
{
0,
50,
75,
110,
134,
150,
200,
300,
600,
1200,
1800,
2400,
4800,
9600,
19200,
38400,
};
/* Set the state of FD to *TERMIOS_P. */
int
tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
{
struct sgttyb buf;
struct tchars tchars;
struct ltchars ltchars;
int local;
#ifdef TIOCGETX
int extra;
#endif
size_t i;
if (ioctl(fd, TIOCGETP, &buf) < 0 ||
ioctl(fd, TIOCGETC, &tchars) < 0 ||
ioctl(fd, TIOCGLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCGETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLGET, &local) < 0)
return -1;
if (termios_p == NULL)
{
errno = EINVAL;
return -1;
}
buf.sg_ispeed = buf.sg_ospeed = -1;
for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
{
if (__bsd_speeds[i] == termios_p->__ispeed)
buf.sg_ispeed = i;
if (__bsd_speeds[i] == termios_p->__ospeed)
buf.sg_ospeed = i;
}
if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
{
errno = EINVAL;
return -1;
}
buf.sg_flags &= ~(CBREAK|RAW);
if (!(termios_p->c_lflag & ICANON))
buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
#ifdef LPASS8
if (termios_p->c_oflag & CS8)
local |= LPASS8;
else
local &= ~LPASS8;
#endif
if (termios_p->c_lflag & _NOFLSH)
local |= LNOFLSH;
else
local &= ~LNOFLSH;
if (termios_p->c_oflag & OPOST)
local &= ~LLITOUT;
else
local |= LLITOUT;
#ifdef TIOCGETX
if (termios_p->c_lflag & ISIG)
extra &= ~NOISIG;
else
extra |= NOISIG;
if (termios_p->c_cflag & CSTOPB)
extra |= STOPB;
else
extra &= ~STOPB;
#endif
if (termios_p->c_iflag & ICRNL)
buf.sg_flags |= CRMOD;
else
buf.sg_flags &= ~CRMOD;
if (termios_p->c_iflag & IXOFF)
buf.sg_flags |= TANDEM;
else
buf.sg_flags &= ~TANDEM;
buf.sg_flags &= ~(ODDP|EVENP);
if (!(termios_p->c_cflag & PARENB))
buf.sg_flags |= ODDP | EVENP;
else if (termios_p->c_cflag & PARODD)
buf.sg_flags |= ODDP;
else
buf.sg_flags |= EVENP;
if (termios_p->c_lflag & _ECHO)
buf.sg_flags |= ECHO;
else
buf.sg_flags &= ~ECHO;
if (termios_p->c_lflag & ECHOE)
local |= LCRTERA;
else
local &= ~LCRTERA;
if (termios_p->c_lflag & ECHOK)
local |= LCRTKIL;
else
local &= ~LCRTKIL;
if (termios_p->c_lflag & _TOSTOP)
local |= LTOSTOP;
else
local &= ~LTOSTOP;
buf.sg_erase = termios_p->c_cc[VERASE];
buf.sg_kill = termios_p->c_cc[VKILL];
tchars.t_eofc = termios_p->c_cc[VEOF];
tchars.t_intrc = termios_p->c_cc[VINTR];
tchars.t_quitc = termios_p->c_cc[VQUIT];
ltchars.t_suspc = termios_p->c_cc[VSUSP];
tchars.t_startc = termios_p->c_cc[VSTART];
tchars.t_stopc = termios_p->c_cc[VSTOP];
if (ioctl(fd, TIOCSETP, &buf) < 0 ||
ioctl(fd, TIOCSETC, &tchars) < 0 ||
ioctl(fd, TIOCSLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCSETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLSET, &local) < 0)
return -1;
return 0;
}
#undef tcgetattr
/* Put the state of FD into *TERMIOS_P. */
int
tcgetattr (int fd, struct termios *termios_p)
{
struct sgttyb buf;
struct tchars tchars;
struct ltchars ltchars;
int local;
#ifdef TIOCGETX
int extra;
#endif
if (termios_p == NULL)
{
errno = EINVAL;
return -1;
}
if (ioctl(fd, TIOCGETP, &buf) < 0 ||
ioctl(fd, TIOCGETC, &tchars) < 0 ||
ioctl(fd, TIOCGLTC, <chars) < 0 ||
#ifdef TIOCGETX
ioctl(fd, TIOCGETX, &extra) < 0 ||
#endif
ioctl(fd, TIOCLGET, &local) < 0)
return -1;
termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed];
termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed];
termios_p->c_iflag = 0;
termios_p->c_oflag = 0;
termios_p->c_cflag = 0;
termios_p->c_lflag = 0;
termios_p->c_oflag |= CREAD | HUPCL;
#ifdef LPASS8
if (local & LPASS8)
termios_p->c_oflag |= CS8;
else
#endif
termios_p->c_oflag |= CS7;
if (!(buf.sg_flags & RAW))
{
termios_p->c_iflag |= IXON;
termios_p->c_cflag |= OPOST;
#ifndef NOISIG
termios_p->c_lflag |= ISIG;
#endif
}
if ((buf.sg_flags & (CBREAK|RAW)) == 0)
termios_p->c_lflag |= ICANON;
if (!(buf.sg_flags & RAW) && !(local & LLITOUT))
termios_p->c_oflag |= OPOST;
if (buf.sg_flags & CRMOD)
termios_p->c_iflag |= ICRNL;
if (buf.sg_flags & TANDEM)
termios_p->c_iflag |= IXOFF;
#ifdef TIOCGETX
if (!(extra & NOISIG))
termios_p->c_lflag |= ISIG;
if (extra & STOPB)
termios_p->c_cflag |= CSTOPB;
#endif
switch (buf.sg_flags & (EVENP|ODDP))
{
case EVENP|ODDP:
break;
case ODDP:
termios_p->c_cflag |= PARODD;
default:
termios_p->c_cflag |= PARENB;
termios_p->c_iflag |= IGNPAR | INPCK;
break;
}
if (buf.sg_flags & ECHO)
termios_p->c_lflag |= _ECHO;
if (local & LCRTERA)
termios_p->c_lflag |= ECHOE;
if (local & LCRTKIL)
termios_p->c_lflag |= ECHOK;
if (local & LTOSTOP)
termios_p->c_lflag |= _TOSTOP;
if (local & LNOFLSH)
termios_p->c_lflag |= _NOFLSH;
termios_p->c_cc[VEOF] = tchars.t_eofc;
termios_p->c_cc[VEOL] = '\n';
termios_p->c_cc[VERASE] = buf.sg_erase;
termios_p->c_cc[VKILL] = buf.sg_kill;
termios_p->c_cc[VINTR] = tchars.t_intrc;
termios_p->c_cc[VQUIT] = tchars.t_quitc;
termios_p->c_cc[VSTART] = tchars.t_startc;
termios_p->c_cc[VSTOP] = tchars.t_stopc;
termios_p->c_cc[VSUSP] = ltchars.t_suspc;
termios_p->c_cc[VMIN] = -1;
termios_p->c_cc[VTIME] = -1;
return 0;
}
|
