File: stty.c

package info (click to toggle)
skkfep 0.86c-1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 348 kB
  • ctags: 696
  • sloc: ansic: 5,274; makefile: 54
file content (501 lines) | stat: -rw-r--r-- 8,752 bytes parent folder | download | duplicates (2)
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
#include "config.h"
#include <stdio.h>
#include <signal.h>
#include <fcntl.h>
#include "fep.h"
#include <sys/types.h>
#include <sys/wait.h>

#if defined TERMIOS || defined TERMIO

#if !defined(VDISABLE)
# ifdef _POSIX_VDISABLE
#	define VDISABLE _POSIX_VDISABLE
# else
#	define VDISABLE 0377
# endif
#endif

#ifdef TERMIOS
#define GET_TTY(tty,ioval)	tcgetattr(tty,ioval)
#define SET_TTY(tty,ioval)	tcsetattr(tty,TCSANOW,ioval)
#else /* not TERMIOS */
#define GET_TTY(tty,ioval)      ioctl(tty, TCGETA, ioval)
#define SET_TTY(tty,ioval)      ioctl(tty, TCSETA, ioval)
#endif /* TERMIOS */

#else /* not TERMIOS nor TERMIO */

#define GET_TTY(tty,ioval)	tiocget(tty, ioval)
#define SET_TTY(tty,ioval)	tiocset(tty, ioval)

#endif

#ifndef NO_SUSPEND
SignalFunc suspend();
#endif

TERMPARAM	d_ioval;
int		tty;
#ifdef TIOCSWINSZ
struct winsize  d_winsize;
#endif /* TIOCSWINSZ */

extern
int	ShellPID;
extern
FILE   *Shellout;

#if !defined(TERMIOS) && !defined(TERMIO)
static int
tiocget(fd, ioval)
    int fd;
    TERMPARAM *ioval;
{
    int er;
    er = ioctl(fd, TIOCGETP, &(ioval->m_ttyb));
    if ( er == -1 ) return er;
    er = ioctl(fd, TIOCGETC, &(ioval->m_tchars));
    if ( er == -1 ) return er;
#ifdef TIOCLGET
    er = ioctl(fd, TIOCLGET, &(ioval->m_lmode));
    if ( er == -1 ) return er;
#endif /* TIOCLGET */
#ifdef TIOCGETD
    er = ioctl(fd, TIOCGETD, &(ioval->m_ldisc));
    if ( er == -1 ) return er;
#endif /* TIOCGETD */
#ifdef TIOCGLTC
    er = ioctl(fd, TIOCGLTC, &(ioval->m_ltchars));
    if ( er == -1 ) return er;
#endif /* TIOCGLTC */

#ifdef sony_news
# ifdef TIOCKGET
    er = ioctl(fd, TIOCKGET, &(ioval->km_con));
    if ( er == -1 ) return er;
# endif /* TIOCKGET */
# ifdef TIOCKGETC
    er = ioctl(fd, TIOCKGETC, &(ioval->km_jtchars));
    if ( er == -1 ) return er;
# endif /* TIOCKGETC */
#endif /* sony_news */
    return er;
}

static int
tiocset(fd, ioval)
    int fd;
    TERMPARAM *ioval;
{
    int er;
    er = ioctl(fd, TIOCSETP, &(ioval->m_ttyb));
    if ( er == -1 ) return er;
    er = ioctl(fd, TIOCSETC, &(ioval->m_tchars));
#ifdef TIOCLSET
    er = ioctl(fd, TIOCLSET, &(ioval->m_lmode));
    if ( er == -1 ) return er;
#endif /* TIOCLSET */
#ifdef TIOCGETD
    er = ioctl(fd, TIOCSETD, &(ioval->m_ldisc));
    if ( er == -1 ) return er;
#endif /* TIOCGETD */
#ifdef TIOCGLTC
    er = ioctl(fd, TIOCSLTC, &(ioval->m_ltchars));
    if ( er == -1 ) return er;
#endif /* TIOCGLTC */

#ifdef sony_news
# ifdef TIOCKGET
    er = ioctl(fd, TIOCKSET, &(ioval->km_con));
    if ( er == -1 ) return er;
# endif /* TIOCKGET */
# ifdef TIOCKGETC
    er = ioctl(fd, TIOCKSETC, &(ioval->km_jtchars));
    if ( er == -1 ) return er;
# endif /* TIOCKGETC */
#endif /* sony_news */
    return er;
}
#endif /* not TERMIOS */

set_winsize(tty)
	int tty;
{
#ifdef TIOCSWINSZ
	int er;
	struct winsize s_winsize;

	s_winsize = d_winsize;
	if (msgLine() == (int)UseBottomLine) {
		s_winsize.ws_row--;
	}
	er = ioctl(tty, TIOCSWINSZ, &s_winsize);
	if (er == -1) {
		printf("Error occured\n");
	}
#endif /* TIOCSWINSZ */
}

get_winsize()
{
#ifdef TIOCSWINSZ
	extern int lines, columns;

	ioctl(tty, TIOCGWINSZ, &d_winsize);
	if (d_winsize.ws_col == 0) {
		d_winsize.ws_col = columns;
	} else {
		columns = d_winsize.ws_col;
	}
	if (d_winsize.ws_row == 0) {
		d_winsize.ws_row = lines;
	} else {
		lines = d_winsize.ws_row;
	}
	ioctl(tty, TIOCSWINSZ, &d_winsize);
#endif /* TIOCSWINSZ */
}

set_tty()
{	int	er;
	TERMPARAM ioval;

	GET_TTY(tty, &d_ioval);
	ioval = d_ioval;

#if defined TERMIOS || defined TERMIO
	ioval.c_iflag &= ~(INLCR|IGNCR|ICRNL|IXON|IXOFF);
# ifdef ISTRIP
	ioval.c_iflag &= ~ISTRIP;	/* 8bit through */
# endif
	ioval.c_lflag &= ~(ISIG|ICANON|ECHO);
	ioval.c_oflag &= ~(OPOST);
	ioval.c_cc[VMIN] = 1;
	ioval.c_cc[VTIME] = 0;

	/* invalidate special control characters */
	ioval.c_cc[VINTR]   = VDISABLE;
	ioval.c_cc[VSTART]  = VDISABLE;
	ioval.c_cc[VSTOP]   = VDISABLE;
	ioval.c_cc[VQUIT]   = VDISABLE;
# ifdef VDISCARD
	ioval.c_cc[VDISCARD]= VDISABLE;
# endif
# ifdef VLNEXT
	ioval.c_cc[VLNEXT]  = VDISABLE;
# endif
# ifdef VSUSP
	ioval.c_cc[VSUSP]   = VDISABLE;
# endif
# ifdef VDSUSP
	ioval.c_cc[VDSUSP]  = VDISABLE;
# endif
#else
	ioval.m_ttyb.sg_flags = RAW;
#endif

	er = SET_TTY(tty, &ioval);

	initFep();

	if (er == -1) {
		printf("Error occured\n");
		reset_tty();
		Exit(-1);
	}
}

reset_tty()
{
	reset_tty_without_close();
	close(tty);
}

reset_tty_without_close()
{
	termFep();
	SET_TTY(tty, &d_ioval);
}

set_tty_sane(tty)
int tty;
{	int	er;
	TERMPARAM	ioval;

	ioval = d_ioval;
#if defined TERMIOS || defined TERMIO
#ifndef ECHOKE
# define ECHOKE 0
#endif
	ioval.c_lflag |= ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOKE;
	ioval.c_iflag |= BRKINT | IGNPAR | ICRNL;
# ifdef ISTRIP
	ioval.c_iflag &= ~ISTRIP;	/* 8bit through */
# endif
	ioval.c_oflag |= OPOST | ONLCR;
#else /* if not TERMIOS */
#ifdef BSD42
	ioval.m_ttyb.sg_flags |= ECHO | CRMOD | ANYP | CRTERA | CRTKIL;
#else
	ioval.m_ttyb.sg_flags |= ECHO | CRMOD | ANYP | CRTERA | CRTKIL | PASS8;
#endif /* BSD42 */
# ifdef TIOCLGET
#  ifdef LPASS8
	ioval.m_lmode |= LPASS8;
#  endif
#  ifdef LPASS8OUT
	ioval.m_lmode |= LPASS8OUT;
#  endif
#  ifdef LEUCBKSP
	ioval.m_lmode |= LEUCBKSP;
#  endif
# endif
#endif /* not TERMIOS */
	er = SET_TTY(tty, &ioval);
	if (er == -1) {
		printf("Error occured\n");
	}
}

tty_ready()
{	char	*ttyname();

	tty = open(ttyname(0),O_RDWR);
}

SignalFunc
reset_exit()
{
	reset_tty();
	signal(SIGCHLD,SIG_DFL);
	Exit(-1);
}

#ifndef LINUX
SignalFunc
bus_exit()
{
	reset_tty();
	fprintf(stderr,"BUS ERROR\n");
	Abort();
}
#endif

SignalFunc
segv_exit()
{
	reset_tty();
	fprintf(stderr,"SEGMENTATION VIOLATION\n");
	Abort();
}

#ifdef APOLLO
SignalFunc
chld_exit()
{
	reset_tty();
	Exit(0);
}
#endif

#ifdef HPUX
#define IF_STOPPED(x)	WIFSTOPPED((x).w_stopval)
#else /* not HPUX */
#define IF_STOPPED(x)	WIFSTOPPED(x)
#endif /* not HPUX */

SignalFunc
chld_changed()
{
	int cpid;
#if defined(_AIX) || defined(SVR4)
	int statusp;
#else
	union wait statusp;
#endif

#ifndef NO_SUSPEND
	while ((cpid = wait((int *)&statusp)) != -1 && cpid != ShellPID)
		;
#else
	do {
#ifdef SVR4
		cpid = waitpid(-1, &statusp, WUNTRACED|WNOHANG);
#else
		cpid = wait3((int *) &statusp, WUNTRACED|WNOHANG, (struct rusage *) 0);
#endif
	} while (cpid != 0 && cpid != -1 && cpid != ShellPID);

	if (cpid != ShellPID)
		return;		/* ignore */

	if (IF_STOPPED(statusp)) { /* suspend */
		suspend();
	}
	else 
#endif /* NO_SUSPEND */
        {
                reset_tty();
		Exit(0);
	}
}

SignalFunc
iot_exit()
{
	reset_tty();
	fprintf(stderr,"Abort.\n");
	Abort();
}

SignalFunc
hup_exit()
{
	reset_tty();
	fprintf(stderr,"Hungup\n");
	Exit(-1);
}

SignalFunc
int_exit()
{
	reset_tty();
	fprintf(stderr,"Interrupt\n");
	Exit(-1);
}

SignalFunc
pipe_exit()
{
	reset_tty();
	fprintf(stderr,"Pipe down\n");
	Exit(-1);
}

SignalFunc
term_exit()
{
	reset_tty();
	fprintf(stderr,"Terminate\n");
	Exit(-1);
}

#ifndef NO_SUSPEND
SignalFunc
suspend()
{
	reset_tty_without_close();
	signal(SIGTSTP,SIG_DFL);
	kill(0,SIGTSTP);

	/* process stopped */

	signal(SIGTSTP,suspend);
	set_tty();
#ifdef HAVE_KILLPG
	killpg(ShellPID,SIGCONT);	/* 4.0 - 4.3BSD */
#else
	kill(-ShellPID,SIGCONT);	/* 4.3BSD Reno - , SysV */
#endif
}
#endif

#ifdef SIGWINCH
SignalFunc
winchange()
{
	int tty;
        signal(SIGWINCH,SIG_IGN);
        tty = fileno(Shellout);
	get_winsize();
	set_winsize(tty);
	initFep();
	showcurmode();
        signal(SIGWINCH,winchange);
}
#endif

SignalFunc
sig_usr1()
{
        signal(SIGUSR1,SIG_IGN);
	initFep();
	toggleEscape(ViEsc);
        signal(SIGUSR1,sig_usr1);
}

SignalFunc
sig_usr2()
{
        signal(SIGUSR2,SIG_IGN);
	initFep();
	toggleEscape(EmacsEsc);
        signal(SIGUSR2,sig_usr2);
}

SignalFunc
sig_int()
{
        signal(SIGHUP,SIG_IGN);
	initFep();
	toggleEscape(NoEsc);
        signal(SIGHUP,sig_int);
}

set_int()
{	
	signal(SIGHUP ,hup_exit);
	signal(SIGINT ,sig_int);
/*	signal(SIGQUIT,iot_exit); */
	signal(SIGILL ,reset_exit);
	signal(SIGIOT ,iot_exit);
	signal(SIGFPE ,reset_exit);
#ifndef LINUX
	signal(SIGBUS ,bus_exit);
#endif
	signal(SIGSEGV,segv_exit);
	signal(SIGPIPE,pipe_exit);
	signal(SIGTERM,term_exit);
#ifndef NO_SUSPEND
	signal(SIGTSTP,suspend);
#endif
#ifdef SIGWINCH
	signal(SIGWINCH,winchange);
#endif
	signal(SIGUSR1,sig_usr1);
	signal(SIGUSR2,sig_usr2);
}

saveJisyo()
{
#ifdef USE_SERVER
	if ((NetLearnMode != LearnTemporal) && (UserDic != NULL)) {
		printf("Saving JISYO...\n");
		closeSKK(UserDic,UserDicName);
	}
#else
	if (UserDic != NULL) {
		printf("Saving JISYO...\n");
		closeSKK(UserDic,UserDicName);
	}
#endif
}

	
Exit(v)
int v;
{
	freeDevice();
	saveJisyo();
	exit(v);
}

Abort()
{
	freeDevice();
	saveJisyo();
	signal(SIGQUIT,SIG_DFL);
	signal(SIGIOT, SIG_DFL);
	abort();
}