/[LeafOK_CVS]/lbbs/src/io.c
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Revision 1.44 - (hide annotations)
Tue Jun 17 02:06:48 2025 UTC (9 months ago) by sysadm
Branch: MAIN
Changes since 1.43: +2 -2 lines
Content type: text/x-csrc 
Replace time(0) with time(NULL)
1 sysadm 1.1 /***************************************************************************
2 sysadm 1.14 io.c - description
3     -------------------
4 sysadm 1.20 Copyright : (C) 2004-2025 by Leaflet
5     Email : leaflet@leafok.com
6 sysadm 1.1 ***************************************************************************/
7    
8     /***************************************************************************
9     * *
10     * This program is free software; you can redistribute it and/or modify *
11     * it under the terms of the GNU General Public License as published by *
12 sysadm 1.20 * the Free Software Foundation; either version 3 of the License, or *
13 sysadm 1.1 * (at your option) any later version. *
14     * *
15     ***************************************************************************/
16    
17     #include "io.h"
18 sysadm 1.16 #include "log.h"
19 sysadm 1.1 #include "common.h"
20 sysadm 1.22 #include <errno.h>
21 sysadm 1.1 #include <stdio.h>
22     #include <stdarg.h>
23 sysadm 1.28 #include <string.h>
24 sysadm 1.9 #include <time.h>
25     #include <fcntl.h>
26     #include <unistd.h>
27 sysadm 1.22 #include <sys/select.h>
28 sysadm 1.5 #include <sys/ioctl.h>
29 sysadm 1.29 #include <sys/epoll.h>
30 sysadm 1.39 #include <libssh/libssh.h>
31     #include <libssh/server.h>
32     #include <libssh/callbacks.h>
33 sysadm 1.1
34 sysadm 1.28 static char stdout_buf[BUFSIZ];
35     static int stdout_buf_len = 0;
36 sysadm 1.30 static int stdout_buf_offset = 0;
37 sysadm 1.1
38 sysadm 1.14 int prints(const char *format, ...)
39 sysadm 1.1 {
40 sysadm 1.28 char buf[BUFSIZ];
41 sysadm 1.14 va_list args;
42 sysadm 1.28 int ret;
43 sysadm 1.1
44 sysadm 1.14 va_start(args, format);
45 sysadm 1.28 ret = vsnprintf(buf, sizeof(buf), format, args);
46 sysadm 1.14 va_end(args);
47 sysadm 1.1
48 sysadm 1.30 if (ret > 0)
49 sysadm 1.28 {
50 sysadm 1.30 if (stdout_buf_len + ret > BUFSIZ)
51     {
52     iflush();
53     }
54 sysadm 1.31
55 sysadm 1.30 if (stdout_buf_len + ret <= BUFSIZ)
56     {
57     memcpy(stdout_buf + stdout_buf_len, buf, (size_t)ret);
58     stdout_buf_len += ret;
59     }
60     else
61     {
62     errno = EAGAIN;
63     ret = (BUFSIZ - stdout_buf_len - ret);
64 sysadm 1.35 log_error("Output buffer is full, additional %d is required\n", ret);
65 sysadm 1.30 }
66 sysadm 1.28 }
67 sysadm 1.30
68     return ret;
69     }
70    
71     int outc(char c)
72     {
73     int ret;
74    
75     if (stdout_buf_len + 1 > BUFSIZ)
76 sysadm 1.28 {
77 sysadm 1.30 iflush();
78     }
79    
80     if (stdout_buf_len + 1 <= BUFSIZ)
81     {
82     stdout_buf[stdout_buf_len] = c;
83     stdout_buf_len++;
84     }
85     else
86     {
87     errno = EAGAIN;
88     ret = -1;
89 sysadm 1.28 }
90    
91     return ret;
92 sysadm 1.1 }
93    
94 sysadm 1.43 int iflush(void)
95 sysadm 1.1 {
96 sysadm 1.28 int flags;
97 sysadm 1.29 struct epoll_event ev, events[MAX_EVENTS];
98     int nfds, epollfd;
99 sysadm 1.30 int retry;
100 sysadm 1.28 int ret = 0;
101    
102 sysadm 1.29 epollfd = epoll_create1(0);
103     if (epollfd < 0)
104     {
105     log_error("epoll_create1() error (%d)\n", errno);
106     return -1;
107     }
108    
109     ev.events = EPOLLOUT;
110     ev.data.fd = STDOUT_FILENO;
111     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, STDOUT_FILENO, &ev) == -1)
112     {
113     log_error("epoll_ctl(STDOUT_FILENO) error (%d)\n", errno);
114 sysadm 1.31 if (close(epollfd) < 0)
115     {
116     log_error("close(epoll) error (%d)\n");
117     }
118 sysadm 1.29 return -1;
119     }
120    
121 sysadm 1.28 // Set STDOUT as non-blocking
122     flags = fcntl(STDOUT_FILENO, F_GETFL, 0);
123     fcntl(STDOUT_FILENO, F_SETFL, flags | O_NONBLOCK);
124    
125 sysadm 1.30 // Retry wait / flush for at most 3 times
126     retry = 3;
127     while (retry > 0 && !SYS_server_exit)
128 sysadm 1.28 {
129 sysadm 1.30 retry--;
130    
131 sysadm 1.29 nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second
132 sysadm 1.28
133 sysadm 1.29 if (nfds < 0)
134 sysadm 1.28 {
135 sysadm 1.29 if (errno != EINTR)
136     {
137     log_error("epoll_wait() error (%d)\n", errno);
138     break;
139     }
140 sysadm 1.28 continue;
141     }
142 sysadm 1.29 else if (nfds == 0) // timeout
143 sysadm 1.28 {
144 sysadm 1.29 continue;
145 sysadm 1.28 }
146 sysadm 1.29
147     for (int i = 0; i < nfds; i++)
148 sysadm 1.28 {
149 sysadm 1.29 if (events[i].data.fd == STDOUT_FILENO)
150 sysadm 1.28 {
151 sysadm 1.30 while (stdout_buf_offset < stdout_buf_len && !SYS_server_exit) // write until complete or error
152 sysadm 1.28 {
153 sysadm 1.39 if (SSH_v2)
154     {
155     ret = ssh_channel_write(SSH_channel, stdout_buf + stdout_buf_offset, (uint32_t)(stdout_buf_len - stdout_buf_offset));
156     if (ret == SSH_ERROR)
157     {
158     log_error("ssh_channel_write() error: %s\n", ssh_get_error(SSH_session));
159     retry = 0;
160     break;
161     }
162     }
163     else
164     {
165     ret = (int)write(STDOUT_FILENO, stdout_buf + stdout_buf_offset, (size_t)(stdout_buf_len - stdout_buf_offset));
166     }
167 sysadm 1.29 if (ret < 0)
168     {
169     if (errno == EAGAIN || errno == EWOULDBLOCK)
170     {
171     break;
172     }
173     else if (errno == EINTR)
174     {
175     continue;
176     }
177     else
178     {
179     log_error("write(STDOUT) error (%d)\n", errno);
180 sysadm 1.30 retry = 0;
181 sysadm 1.29 break;
182     }
183     }
184     else if (ret == 0) // broken pipe
185     {
186 sysadm 1.30 retry = 0;
187 sysadm 1.29 break;
188     }
189     else
190     {
191     stdout_buf_offset += ret;
192 sysadm 1.30 if (stdout_buf_offset >= stdout_buf_len) // flush buffer completely
193 sysadm 1.29 {
194     ret = 0;
195 sysadm 1.30 stdout_buf_offset = 0;
196 sysadm 1.29 stdout_buf_len = 0;
197 sysadm 1.30 retry = 0;
198 sysadm 1.29 break;
199     }
200     continue;
201     }
202 sysadm 1.28 }
203     }
204     }
205     }
206 sysadm 1.6
207 sysadm 1.28 // Restore STDOUT flags
208     fcntl(STDOUT_FILENO, F_SETFL, flags);
209 sysadm 1.6
210 sysadm 1.31 if (close(epollfd) < 0)
211     {
212     log_error("close(epoll) error (%d)\n");
213     }
214    
215 sysadm 1.28 return ret;
216 sysadm 1.1 }
217    
218 sysadm 1.31 int igetch(int timeout)
219 sysadm 1.1 {
220 sysadm 1.18 // static input buffer
221 sysadm 1.22 static unsigned char buf[LINE_BUFFER_LEN];
222 sysadm 1.31 static int len = 0;
223 sysadm 1.18 static int pos = 0;
224    
225 sysadm 1.29 struct epoll_event ev, events[MAX_EVENTS];
226     int nfds, epollfd;
227 sysadm 1.31 int ret;
228     int loop;
229 sysadm 1.21
230 sysadm 1.22 unsigned char tmp[LINE_BUFFER_LEN];
231 sysadm 1.31 int out = KEY_NULL;
232 sysadm 1.18 int in_esc = 0;
233     int in_ascii = 0;
234     int in_control = 0;
235     int i = 0;
236 sysadm 1.26 int flags;
237 sysadm 1.1
238 sysadm 1.29 epollfd = epoll_create1(0);
239     if (epollfd < 0)
240     {
241     log_error("epoll_create1() error (%d)\n", errno);
242     return -1;
243     }
244    
245     ev.events = EPOLLIN;
246     ev.data.fd = STDIN_FILENO;
247     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, STDIN_FILENO, &ev) == -1)
248 sysadm 1.14 {
249 sysadm 1.29 log_error("epoll_ctl(STDIN_FILENO) error (%d)\n", errno);
250 sysadm 1.31
251     if (close(epollfd) < 0)
252     {
253     log_error("close(epoll) error (%d)\n");
254     }
255 sysadm 1.29 return -1;
256     }
257 sysadm 1.9
258 sysadm 1.29 flags = fcntl(STDIN_FILENO, F_GETFL, 0);
259     fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK);
260 sysadm 1.9
261 sysadm 1.31 loop = 1;
262    
263     while (loop && pos >= len && !SYS_server_exit)
264 sysadm 1.29 {
265 sysadm 1.31 len = 0;
266     pos = 0;
267    
268 sysadm 1.39 if (SSH_v2 && ssh_channel_is_closed(SSH_channel))
269     {
270     log_error("SSH channel is closed\n");
271     loop = 0;
272     break;
273     }
274    
275 sysadm 1.31 nfds = epoll_wait(epollfd, events, MAX_EVENTS, timeout);
276 sysadm 1.9
277 sysadm 1.29 if (nfds < 0)
278 sysadm 1.14 {
279 sysadm 1.21 if (errno != EINTR)
280     {
281 sysadm 1.29 log_error("epoll_wait() error (%d)\n", errno);
282 sysadm 1.31 break;
283 sysadm 1.21 }
284     continue;
285 sysadm 1.14 }
286 sysadm 1.31 else if (nfds == 0) // timeout
287 sysadm 1.14 {
288 sysadm 1.31 out = KEY_TIMEOUT;
289     break;
290 sysadm 1.14 }
291 sysadm 1.21
292 sysadm 1.29 for (int i = 0; i < nfds; i++)
293 sysadm 1.14 {
294 sysadm 1.29 if (events[i].data.fd == STDIN_FILENO)
295 sysadm 1.26 {
296 sysadm 1.31 while (len < sizeof(buf) && !SYS_server_exit) // read until complete or error
297 sysadm 1.26 {
298 sysadm 1.39 if (SSH_v2)
299     {
300     ret = ssh_channel_read_nonblocking(SSH_channel, buf + len, sizeof(buf) - (uint32_t)len, 0);
301     if (ret == SSH_ERROR)
302     {
303     log_error("ssh_channel_read_nonblocking() error: %s\n", ssh_get_error(SSH_session));
304     loop = 0;
305     break;
306     }
307     else if (ret == SSH_EOF)
308     {
309     loop = 0;
310     break;
311     }
312     else if (ret == 0)
313     {
314 sysadm 1.40 out = 0;
315 sysadm 1.39 break; // Check whether channel is still open
316     }
317     }
318     else
319     {
320     ret = (int)read(STDIN_FILENO, buf + len, sizeof(buf) - (size_t)len);
321     }
322 sysadm 1.31 if (ret < 0)
323 sysadm 1.29 {
324     if (errno == EAGAIN || errno == EWOULDBLOCK)
325     {
326 sysadm 1.32 out = 0;
327 sysadm 1.31 loop = 0;
328     break;
329 sysadm 1.29 }
330     else if (errno == EINTR)
331     {
332     continue;
333     }
334     else
335     {
336     log_error("read(STDIN) error (%d)\n", errno);
337 sysadm 1.31 loop = 0;
338     break;
339 sysadm 1.29 }
340     }
341 sysadm 1.31 else if (ret == 0) // broken pipe
342 sysadm 1.29 {
343 sysadm 1.31 loop = 0;
344     break;
345     }
346     else
347     {
348     len += ret;
349     continue;
350 sysadm 1.29 }
351 sysadm 1.26 }
352     }
353 sysadm 1.14 }
354    
355     // For debug
356 sysadm 1.33 // for (int j = pos; j < len; j++)
357     // {
358 sysadm 1.38 // log_common("Debug: <--[%u]\n", (buf[j] + 256) % 256);
359 sysadm 1.33 // }
360 sysadm 1.11 }
361 sysadm 1.14
362 sysadm 1.29 fcntl(STDIN_FILENO, F_SETFL, flags);
363    
364 sysadm 1.14 while (pos < len)
365 sysadm 1.11 {
366 sysadm 1.18 unsigned char c = buf[pos++];
367 sysadm 1.5
368 sysadm 1.14 if (c == KEY_CONTROL)
369     {
370     if (in_control == 0)
371     {
372     in_control = 1;
373     i = 0;
374     continue;
375     }
376     }
377 sysadm 1.1
378 sysadm 1.14 if (in_control)
379     {
380     tmp[i++] = c;
381     if (i >= 2)
382     {
383     out = (int)tmp[0] * 256 + tmp[1];
384     in_control = 0;
385     break;
386     }
387     continue;
388     }
389 sysadm 1.6
390 sysadm 1.37 if (c == KEY_ESC)
391 sysadm 1.14 {
392     if (in_esc == 0)
393     {
394     in_esc = 1;
395     in_ascii = 1;
396     i = 0;
397     continue;
398     }
399     else
400     {
401 sysadm 1.37 out = KEY_CSI;
402 sysadm 1.14 in_esc = 0;
403     break;
404     }
405     }
406 sysadm 1.3
407 sysadm 1.14 in_esc = 0;
408 sysadm 1.1
409 sysadm 1.14 if (in_ascii)
410     {
411     tmp[i++] = c;
412 sysadm 1.33 if (i == 2 && (tmp[0] == 79 || tmp[0] == 91))
413 sysadm 1.14 {
414     in_ascii = 0;
415 sysadm 1.33 switch (tmp[1])
416 sysadm 1.14 {
417 sysadm 1.33 case 65:
418 sysadm 1.14 out = KEY_UP;
419     break;
420 sysadm 1.33 case 66:
421 sysadm 1.14 out = KEY_DOWN;
422     break;
423 sysadm 1.33 case 67:
424 sysadm 1.14 out = KEY_RIGHT;
425     break;
426 sysadm 1.33 case 68:
427 sysadm 1.14 out = KEY_LEFT;
428     break;
429 sysadm 1.33 default:
430     in_ascii = 1;
431     }
432     if (!in_ascii)
433     {
434     break;
435     }
436     }
437     if (i == 2 && tmp[0] == 91) // Fterm
438     {
439     in_ascii = 0;
440     switch (tmp[1])
441     {
442     case 86:
443     out = KEY_SHIFT_F1;
444     break;
445     case 90:
446     out = KEY_SHIFT_F2;
447     break;
448     case 97:
449     out = KEY_SHIFT_F3;
450     break;
451     case 98:
452     out = KEY_SHIFT_F4;
453     break;
454     case 99:
455     out = KEY_SHIFT_F5;
456     break;
457     case 100:
458     out = KEY_SHIFT_F6;
459     break;
460     case 101:
461     out = KEY_SHIFT_F7;
462     break;
463     case 102:
464     out = KEY_SHIFT_F8;
465     break;
466     case 103:
467     out = KEY_SHIFT_F9;
468     break;
469     case 104:
470     out = KEY_SHIFT_F10;
471     break;
472     case 107:
473     out = KEY_CTRL_F1;
474     break;
475     case 108:
476     out = KEY_CTRL_F2;
477     break;
478     case 109:
479     out = KEY_CTRL_F3;
480     break;
481     case 112:
482     out = KEY_CTRL_F6;
483     break;
484     case 113:
485     out = KEY_CTRL_F7;
486     break;
487     case 114:
488     out = KEY_CTRL_F8;
489     break;
490     case 115:
491     out = KEY_CTRL_F9;
492     break;
493     case 116:
494     out = KEY_CTRL_F10;
495     break;
496     default:
497     in_ascii = 1;
498     }
499     if (!in_ascii)
500     {
501     break;
502     }
503     }
504     if (i == 2 && tmp[0] == 79) // Xterm
505     {
506     in_ascii = 0;
507     switch (tmp[1])
508     {
509     case 80:
510     out = KEY_F1;
511     break;
512     case 81:
513     out = KEY_F2;
514     break;
515     case 82:
516     out = KEY_F3;
517     break;
518     case 83:
519     out = KEY_F4;
520     break;
521     default:
522     in_ascii = 1;
523     }
524     if (!in_ascii)
525     {
526     break;
527 sysadm 1.14 }
528     }
529     if (i == 3 && tmp[0] == 91 && tmp[2] == 126)
530     {
531     in_ascii = 0;
532     switch (tmp[1])
533     {
534     case 49:
535     out = KEY_HOME;
536     break;
537 sysadm 1.42 case 50:
538     out = KEY_INS;
539     break;
540 sysadm 1.14 case 51:
541     out = KEY_DEL;
542     break;
543     case 52:
544     out = KEY_END;
545     break;
546     case 53:
547     out = KEY_PGUP;
548     break;
549     case 54:
550     out = KEY_PGDN;
551     break;
552 sysadm 1.33 default:
553     in_ascii = 1;
554     }
555     if (!in_ascii)
556     {
557     break;
558     }
559     }
560 sysadm 1.39 if (i == 4 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 126) // Fterm
561 sysadm 1.33 {
562     in_ascii = 0;
563     switch (tmp[2])
564     {
565     case 49:
566     out = KEY_F1;
567     break;
568     case 50:
569     out = KEY_F2;
570     break;
571     case 51:
572     out = KEY_F3;
573     break;
574     case 52:
575     out = KEY_F4;
576     break;
577     case 53:
578     out = KEY_F5;
579     break;
580     case 55:
581     out = KEY_F6;
582     break;
583     case 56:
584     out = KEY_F7;
585     break;
586     case 57:
587     out = KEY_F8;
588     break;
589     default:
590     in_ascii = 1;
591     }
592     if (!in_ascii)
593     {
594     break;
595     }
596     }
597     if (i == 4 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 126) // Fterm
598     {
599     in_ascii = 0;
600     switch (tmp[2])
601     {
602     case 48:
603     out = KEY_F9;
604     break;
605     case 49:
606     out = KEY_F10;
607     break;
608     case 50:
609     out = KEY_F11; // Fterm
610     break;
611     case 51:
612     out = KEY_F11; // Xterm
613     break;
614     case 52:
615     out = KEY_F12; // Xterm
616     break;
617     default:
618     in_ascii = 1;
619     }
620     if (!in_ascii)
621     {
622     break;
623     }
624     }
625     if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 53) // Xterm
626     {
627     in_ascii = 0;
628     switch (tmp[4])
629     {
630 sysadm 1.41 case 65:
631     out = KEY_CTRL_UP;
632     break;
633     case 66:
634     out = KEY_CTRL_DOWN;
635     break;
636     case 67:
637     out = KEY_CTRL_RIGHT;
638     break;
639     case 68:
640     out = KEY_CTRL_LEFT;
641     break;
642     case 70:
643     out = KEY_CTRL_END;
644     break;
645     case 72:
646     out = KEY_CTRL_HOME;
647     break;
648 sysadm 1.33 case 80:
649     out = KEY_CTRL_F1;
650     break;
651     case 81:
652     out = KEY_CTRL_F2;
653     break;
654     case 82:
655     out = KEY_CTRL_F3;
656     break;
657     default:
658     in_ascii = 1;
659     }
660     if (!in_ascii)
661     {
662     break;
663     }
664     }
665     if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm
666     {
667     in_ascii = 0;
668     switch (tmp[2])
669     {
670     case 53:
671     out = KEY_CTRL_F5;
672     break;
673     case 55:
674     out = KEY_CTRL_F6;
675     break;
676     case 56:
677     out = KEY_CTRL_F7;
678     break;
679     case 57:
680     out = KEY_CTRL_F8;
681     break;
682     default:
683     in_ascii = 1;
684     }
685     if (!in_ascii)
686     {
687     break;
688     }
689     }
690     if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm
691     {
692     in_ascii = 0;
693     switch (tmp[2])
694     {
695     case 48:
696     out = KEY_CTRL_F9;
697     break;
698     case 49:
699     out = KEY_CTRL_F10;
700     break;
701     case 51:
702     out = KEY_CTRL_F11;
703     break;
704     case 52:
705     out = KEY_CTRL_F12;
706     break;
707     default:
708     in_ascii = 1;
709     }
710     if (!in_ascii)
711     {
712     break;
713     }
714     }
715     if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 50) // Xterm
716     {
717     in_ascii = 0;
718     switch (tmp[4])
719     {
720     case 80:
721     out = KEY_SHIFT_F1;
722     break;
723     case 81:
724     out = KEY_SHIFT_F2;
725     break;
726     case 82:
727     out = KEY_SHIFT_F3;
728     break;
729     case 83:
730     out = KEY_SHIFT_F4;
731     break;
732     default:
733     in_ascii = 1;
734     }
735     if (!in_ascii)
736     {
737     break;
738 sysadm 1.14 }
739 sysadm 1.33 }
740     if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm
741     {
742     in_ascii = 0;
743     switch (tmp[2])
744     {
745     case 53:
746     out = KEY_SHIFT_F5;
747     break;
748     case 55:
749     out = KEY_SHIFT_F6;
750     break;
751     case 56:
752     out = KEY_SHIFT_F7;
753     break;
754     case 57:
755     out = KEY_SHIFT_F8;
756     break;
757     default:
758     in_ascii = 1;
759     }
760     if (!in_ascii)
761     {
762     break;
763     }
764     }
765     if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm
766     {
767     in_ascii = 0;
768     switch (tmp[2])
769     {
770     case 48:
771     out = KEY_SHIFT_F9;
772     break;
773     case 49:
774     out = KEY_SHIFT_F10;
775     break;
776     case 51:
777     out = KEY_SHIFT_F11;
778     break;
779     case 52:
780     out = KEY_SHIFT_F12;
781     break;
782     default:
783     in_ascii = 1;
784     }
785     if (!in_ascii)
786     {
787     break;
788     }
789     }
790    
791     if (c == 'm')
792     {
793     in_ascii = 0;
794 sysadm 1.14 }
795     continue;
796     }
797 sysadm 1.1
798 sysadm 1.14 out = ((int)c + 256) % 256;
799     break;
800 sysadm 1.1 }
801    
802 sysadm 1.31 if (close(epollfd) < 0)
803     {
804     log_error("close(epoll) error (%d)\n");
805     }
806    
807 sysadm 1.36 // For ESC key
808     if (out == 0 && in_esc)
809     {
810     out = KEY_ESC;
811     }
812    
813 sysadm 1.33 // for debug
814 sysadm 1.34 // if (out != KEY_TIMEOUT && out != KEY_NULL)
815     // {
816 sysadm 1.40 // log_common("Debug: -->[0x %x]\n", out);
817 sysadm 1.34 // }
818 sysadm 1.33
819 sysadm 1.14 return out;
820 sysadm 1.1 }
821 sysadm 1.5
822 sysadm 1.31 int igetch_t(int sec)
823 sysadm 1.9 {
824 sysadm 1.14 int ch;
825 sysadm 1.44 time_t t_begin = time(NULL);
826 sysadm 1.10
827 sysadm 1.14 do
828     {
829 sysadm 1.31 ch = igetch(100);
830 sysadm 1.44 } while (!SYS_server_exit && ch == KEY_TIMEOUT && (time(NULL) - t_begin < sec));
831 sysadm 1.9
832 sysadm 1.14 return ch;
833 sysadm 1.9 }
834 sysadm 1.31
835     void igetch_reset()
836     {
837     int ch;
838     do
839     {
840     ch = igetch(0);
841     } while (ch != KEY_NULL && ch != KEY_TIMEOUT);
842     }
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