/[LeafOK_CVS]/lbbs/src/io.c
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Revision 1.51 - (hide annotations)
Wed Jul 2 09:07:35 2025 UTC (8 months, 2 weeks ago) by sysadm
Branch: MAIN
Changes since 1.50: +12 -6 lines
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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 sysadm 1.47 #include "common.h"
18 sysadm 1.1 #include "io.h"
19 sysadm 1.16 #include "log.h"
20 sysadm 1.22 #include <errno.h>
21 sysadm 1.47 #include <fcntl.h>
22     #include <stdarg.h>
23 sysadm 1.1 #include <stdio.h>
24 sysadm 1.28 #include <string.h>
25 sysadm 1.9 #include <time.h>
26     #include <unistd.h>
27 sysadm 1.47 #include <sys/epoll.h>
28     #include <sys/ioctl.h>
29 sysadm 1.22 #include <sys/select.h>
30 sysadm 1.47 #include <libssh/callbacks.h>
31 sysadm 1.39 #include <libssh/libssh.h>
32     #include <libssh/server.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 sysadm 1.46 #ifdef _DEBUG
180 sysadm 1.29 log_error("write(STDOUT) error (%d)\n", errno);
181 sysadm 1.46 #endif
182 sysadm 1.30 retry = 0;
183 sysadm 1.29 break;
184     }
185     }
186     else if (ret == 0) // broken pipe
187     {
188 sysadm 1.30 retry = 0;
189 sysadm 1.29 break;
190     }
191     else
192     {
193     stdout_buf_offset += ret;
194 sysadm 1.30 if (stdout_buf_offset >= stdout_buf_len) // flush buffer completely
195 sysadm 1.29 {
196     ret = 0;
197 sysadm 1.30 stdout_buf_offset = 0;
198 sysadm 1.29 stdout_buf_len = 0;
199 sysadm 1.30 retry = 0;
200 sysadm 1.29 break;
201     }
202     continue;
203     }
204 sysadm 1.28 }
205     }
206     }
207     }
208 sysadm 1.6
209 sysadm 1.28 // Restore STDOUT flags
210     fcntl(STDOUT_FILENO, F_SETFL, flags);
211 sysadm 1.6
212 sysadm 1.31 if (close(epollfd) < 0)
213     {
214     log_error("close(epoll) error (%d)\n");
215     }
216    
217 sysadm 1.28 return ret;
218 sysadm 1.1 }
219    
220 sysadm 1.31 int igetch(int timeout)
221 sysadm 1.1 {
222 sysadm 1.18 // static input buffer
223 sysadm 1.22 static unsigned char buf[LINE_BUFFER_LEN];
224 sysadm 1.31 static int len = 0;
225 sysadm 1.18 static int pos = 0;
226    
227 sysadm 1.29 struct epoll_event ev, events[MAX_EVENTS];
228     int nfds, epollfd;
229 sysadm 1.31 int ret;
230     int loop;
231 sysadm 1.21
232 sysadm 1.22 unsigned char tmp[LINE_BUFFER_LEN];
233 sysadm 1.31 int out = KEY_NULL;
234 sysadm 1.18 int in_esc = 0;
235     int in_ascii = 0;
236     int in_control = 0;
237     int i = 0;
238 sysadm 1.26 int flags;
239 sysadm 1.1
240 sysadm 1.48 if (pos >= len)
241 sysadm 1.29 {
242 sysadm 1.48 len = 0;
243     pos = 0;
244 sysadm 1.31
245 sysadm 1.48 epollfd = epoll_create1(0);
246     if (epollfd < 0)
247 sysadm 1.31 {
248 sysadm 1.48 log_error("epoll_create1() error (%d)\n", errno);
249     return -1;
250 sysadm 1.31 }
251 sysadm 1.9
252 sysadm 1.48 ev.events = EPOLLIN;
253     ev.data.fd = STDIN_FILENO;
254     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, STDIN_FILENO, &ev) == -1)
255     {
256     log_error("epoll_ctl(STDIN_FILENO) error (%d)\n", errno);
257 sysadm 1.9
258 sysadm 1.48 if (close(epollfd) < 0)
259     {
260     log_error("close(epoll) error (%d)\n");
261     }
262     return -1;
263     }
264 sysadm 1.31
265 sysadm 1.48 flags = fcntl(STDIN_FILENO, F_GETFL, 0);
266     fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK);
267 sysadm 1.31
268 sysadm 1.49 for (loop = 1; loop && pos >= len && !SYS_server_exit;)
269 sysadm 1.39 {
270 sysadm 1.48 if (SSH_v2 && ssh_channel_is_closed(SSH_channel))
271     {
272     log_error("SSH channel is closed\n");
273     loop = 0;
274     break;
275     }
276 sysadm 1.39
277 sysadm 1.48 nfds = epoll_wait(epollfd, events, MAX_EVENTS, timeout);
278 sysadm 1.9
279 sysadm 1.48 if (nfds < 0)
280     {
281     if (errno != EINTR)
282     {
283     log_error("epoll_wait() error (%d)\n", errno);
284     break;
285     }
286     continue;
287     }
288     else if (nfds == 0) // timeout
289 sysadm 1.21 {
290 sysadm 1.48 out = KEY_TIMEOUT;
291 sysadm 1.31 break;
292 sysadm 1.21 }
293    
294 sysadm 1.48 for (int i = 0; i < nfds; i++)
295 sysadm 1.26 {
296 sysadm 1.48 if (events[i].data.fd == STDIN_FILENO)
297 sysadm 1.26 {
298 sysadm 1.48 while (len < sizeof(buf) && !SYS_server_exit) // read until complete or error
299 sysadm 1.39 {
300 sysadm 1.48 if (SSH_v2)
301 sysadm 1.39 {
302 sysadm 1.48 ret = ssh_channel_read_nonblocking(SSH_channel, buf + len, sizeof(buf) - (uint32_t)len, 0);
303     if (ret == SSH_ERROR)
304     {
305     log_error("ssh_channel_read_nonblocking() error: %s\n", ssh_get_error(SSH_session));
306     loop = 0;
307     break;
308     }
309     else if (ret == SSH_EOF)
310     {
311     loop = 0;
312     break;
313     }
314     else if (ret == 0)
315     {
316     out = 0;
317     break; // Check whether channel is still open
318     }
319 sysadm 1.39 }
320 sysadm 1.48 else
321 sysadm 1.39 {
322 sysadm 1.48 ret = (int)read(STDIN_FILENO, buf + len, sizeof(buf) - (size_t)len);
323 sysadm 1.39 }
324 sysadm 1.48 if (ret < 0)
325 sysadm 1.39 {
326 sysadm 1.48 if (errno == EAGAIN || errno == EWOULDBLOCK)
327     {
328     out = 0;
329     loop = 0;
330     break;
331     }
332     else if (errno == EINTR)
333     {
334     continue;
335     }
336     else
337     {
338     #ifdef _DEBUG
339     log_error("read(STDIN) error (%d)\n", errno);
340     #endif
341     loop = 0;
342     break;
343     }
344 sysadm 1.39 }
345 sysadm 1.48 else if (ret == 0) // broken pipe
346 sysadm 1.29 {
347 sysadm 1.31 loop = 0;
348     break;
349 sysadm 1.29 }
350 sysadm 1.48 else
351 sysadm 1.29 {
352 sysadm 1.48 len += ret;
353 sysadm 1.29 continue;
354     }
355     }
356 sysadm 1.26 }
357     }
358 sysadm 1.48
359     // For debug
360     #ifdef _DEBUG
361     for (int j = pos; j < len; j++)
362     {
363     log_common("Debug: <--[%u]\n", (buf[j] + 256) % 256);
364     }
365     #endif
366 sysadm 1.14 }
367    
368 sysadm 1.48 fcntl(STDIN_FILENO, F_SETFL, flags);
369    
370     if (close(epollfd) < 0)
371 sysadm 1.45 {
372 sysadm 1.48 log_error("close(epoll) error (%d)\n");
373 sysadm 1.45 }
374 sysadm 1.11 }
375 sysadm 1.14
376     while (pos < len)
377 sysadm 1.11 {
378 sysadm 1.18 unsigned char c = buf[pos++];
379 sysadm 1.5
380 sysadm 1.51 // Convert \r\n to \r
381     if (c == CR && pos < len && buf[pos] == LF)
382     {
383     pos++;
384     }
385    
386     // Convert single \n to \r
387     if (c == LF)
388     {
389     c = CR;
390     }
391    
392 sysadm 1.14 if (c == KEY_CONTROL)
393     {
394     if (in_control == 0)
395     {
396     in_control = 1;
397     i = 0;
398     continue;
399     }
400     }
401 sysadm 1.1
402 sysadm 1.14 if (in_control)
403     {
404     tmp[i++] = c;
405     if (i >= 2)
406     {
407     out = (int)tmp[0] * 256 + tmp[1];
408     in_control = 0;
409     break;
410     }
411     continue;
412     }
413 sysadm 1.6
414 sysadm 1.37 if (c == KEY_ESC)
415 sysadm 1.14 {
416     if (in_esc == 0)
417     {
418     in_esc = 1;
419     in_ascii = 1;
420     i = 0;
421     continue;
422     }
423     else
424     {
425 sysadm 1.37 out = KEY_CSI;
426 sysadm 1.14 in_esc = 0;
427     break;
428     }
429     }
430 sysadm 1.3
431 sysadm 1.14 in_esc = 0;
432 sysadm 1.1
433 sysadm 1.14 if (in_ascii)
434     {
435     tmp[i++] = c;
436 sysadm 1.33 if (i == 2 && (tmp[0] == 79 || tmp[0] == 91))
437 sysadm 1.14 {
438     in_ascii = 0;
439 sysadm 1.33 switch (tmp[1])
440 sysadm 1.14 {
441 sysadm 1.33 case 65:
442 sysadm 1.14 out = KEY_UP;
443     break;
444 sysadm 1.33 case 66:
445 sysadm 1.14 out = KEY_DOWN;
446     break;
447 sysadm 1.33 case 67:
448 sysadm 1.14 out = KEY_RIGHT;
449     break;
450 sysadm 1.33 case 68:
451 sysadm 1.14 out = KEY_LEFT;
452     break;
453 sysadm 1.33 default:
454     in_ascii = 1;
455     }
456     if (!in_ascii)
457     {
458     break;
459     }
460     }
461     if (i == 2 && tmp[0] == 91) // Fterm
462     {
463     in_ascii = 0;
464     switch (tmp[1])
465     {
466     case 86:
467     out = KEY_SHIFT_F1;
468     break;
469     case 90:
470     out = KEY_SHIFT_F2;
471     break;
472     case 97:
473     out = KEY_SHIFT_F3;
474     break;
475     case 98:
476     out = KEY_SHIFT_F4;
477     break;
478     case 99:
479     out = KEY_SHIFT_F5;
480     break;
481     case 100:
482     out = KEY_SHIFT_F6;
483     break;
484     case 101:
485     out = KEY_SHIFT_F7;
486     break;
487     case 102:
488     out = KEY_SHIFT_F8;
489     break;
490     case 103:
491     out = KEY_SHIFT_F9;
492     break;
493     case 104:
494     out = KEY_SHIFT_F10;
495     break;
496     case 107:
497     out = KEY_CTRL_F1;
498     break;
499     case 108:
500     out = KEY_CTRL_F2;
501     break;
502     case 109:
503     out = KEY_CTRL_F3;
504     break;
505     case 112:
506     out = KEY_CTRL_F6;
507     break;
508     case 113:
509     out = KEY_CTRL_F7;
510     break;
511     case 114:
512     out = KEY_CTRL_F8;
513     break;
514     case 115:
515     out = KEY_CTRL_F9;
516     break;
517     case 116:
518     out = KEY_CTRL_F10;
519     break;
520     default:
521     in_ascii = 1;
522     }
523     if (!in_ascii)
524     {
525     break;
526     }
527     }
528     if (i == 2 && tmp[0] == 79) // Xterm
529     {
530     in_ascii = 0;
531     switch (tmp[1])
532     {
533     case 80:
534     out = KEY_F1;
535     break;
536     case 81:
537     out = KEY_F2;
538     break;
539     case 82:
540     out = KEY_F3;
541     break;
542     case 83:
543     out = KEY_F4;
544     break;
545     default:
546     in_ascii = 1;
547     }
548     if (!in_ascii)
549     {
550     break;
551 sysadm 1.14 }
552     }
553     if (i == 3 && tmp[0] == 91 && tmp[2] == 126)
554     {
555     in_ascii = 0;
556     switch (tmp[1])
557     {
558     case 49:
559     out = KEY_HOME;
560     break;
561 sysadm 1.42 case 50:
562     out = KEY_INS;
563     break;
564 sysadm 1.14 case 51:
565     out = KEY_DEL;
566     break;
567     case 52:
568     out = KEY_END;
569     break;
570     case 53:
571     out = KEY_PGUP;
572     break;
573     case 54:
574     out = KEY_PGDN;
575     break;
576 sysadm 1.33 default:
577     in_ascii = 1;
578     }
579     if (!in_ascii)
580     {
581     break;
582     }
583     }
584 sysadm 1.39 if (i == 4 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 126) // Fterm
585 sysadm 1.33 {
586     in_ascii = 0;
587     switch (tmp[2])
588     {
589     case 49:
590     out = KEY_F1;
591     break;
592     case 50:
593     out = KEY_F2;
594     break;
595     case 51:
596     out = KEY_F3;
597     break;
598     case 52:
599     out = KEY_F4;
600     break;
601     case 53:
602     out = KEY_F5;
603     break;
604     case 55:
605     out = KEY_F6;
606     break;
607     case 56:
608     out = KEY_F7;
609     break;
610     case 57:
611     out = KEY_F8;
612     break;
613     default:
614     in_ascii = 1;
615     }
616     if (!in_ascii)
617     {
618     break;
619     }
620     }
621     if (i == 4 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 126) // Fterm
622     {
623     in_ascii = 0;
624     switch (tmp[2])
625     {
626     case 48:
627     out = KEY_F9;
628     break;
629     case 49:
630     out = KEY_F10;
631     break;
632     case 50:
633     out = KEY_F11; // Fterm
634     break;
635     case 51:
636     out = KEY_F11; // Xterm
637     break;
638     case 52:
639     out = KEY_F12; // Xterm
640     break;
641     default:
642     in_ascii = 1;
643     }
644     if (!in_ascii)
645     {
646     break;
647     }
648     }
649     if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 53) // Xterm
650     {
651     in_ascii = 0;
652     switch (tmp[4])
653     {
654 sysadm 1.41 case 65:
655     out = KEY_CTRL_UP;
656     break;
657     case 66:
658     out = KEY_CTRL_DOWN;
659     break;
660     case 67:
661     out = KEY_CTRL_RIGHT;
662     break;
663     case 68:
664     out = KEY_CTRL_LEFT;
665     break;
666     case 70:
667     out = KEY_CTRL_END;
668     break;
669     case 72:
670     out = KEY_CTRL_HOME;
671     break;
672 sysadm 1.33 case 80:
673     out = KEY_CTRL_F1;
674     break;
675     case 81:
676     out = KEY_CTRL_F2;
677     break;
678     case 82:
679     out = KEY_CTRL_F3;
680     break;
681     default:
682     in_ascii = 1;
683     }
684     if (!in_ascii)
685     {
686     break;
687     }
688     }
689     if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm
690     {
691     in_ascii = 0;
692     switch (tmp[2])
693     {
694     case 53:
695     out = KEY_CTRL_F5;
696     break;
697     case 55:
698     out = KEY_CTRL_F6;
699     break;
700     case 56:
701     out = KEY_CTRL_F7;
702     break;
703     case 57:
704     out = KEY_CTRL_F8;
705     break;
706     default:
707     in_ascii = 1;
708     }
709     if (!in_ascii)
710     {
711     break;
712     }
713     }
714     if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 53 && tmp[5] == 126) // Xterm
715     {
716     in_ascii = 0;
717     switch (tmp[2])
718     {
719     case 48:
720     out = KEY_CTRL_F9;
721     break;
722     case 49:
723     out = KEY_CTRL_F10;
724     break;
725     case 51:
726     out = KEY_CTRL_F11;
727     break;
728     case 52:
729     out = KEY_CTRL_F12;
730     break;
731     default:
732     in_ascii = 1;
733     }
734     if (!in_ascii)
735     {
736     break;
737     }
738     }
739     if (i == 5 && tmp[0] == 91 && tmp[1] == 49 && tmp[2] == 59 && tmp[3] == 50) // Xterm
740     {
741     in_ascii = 0;
742     switch (tmp[4])
743     {
744     case 80:
745     out = KEY_SHIFT_F1;
746     break;
747     case 81:
748     out = KEY_SHIFT_F2;
749     break;
750     case 82:
751     out = KEY_SHIFT_F3;
752     break;
753     case 83:
754     out = KEY_SHIFT_F4;
755     break;
756     default:
757     in_ascii = 1;
758     }
759     if (!in_ascii)
760     {
761     break;
762 sysadm 1.14 }
763 sysadm 1.33 }
764     if (i == 6 && tmp[0] == 91 && tmp[1] == 49 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm
765     {
766     in_ascii = 0;
767     switch (tmp[2])
768     {
769     case 53:
770     out = KEY_SHIFT_F5;
771     break;
772     case 55:
773     out = KEY_SHIFT_F6;
774     break;
775     case 56:
776     out = KEY_SHIFT_F7;
777     break;
778     case 57:
779     out = KEY_SHIFT_F8;
780     break;
781     default:
782     in_ascii = 1;
783     }
784     if (!in_ascii)
785     {
786     break;
787     }
788     }
789     if (i == 6 && tmp[0] == 91 && tmp[1] == 50 && tmp[3] == 59 && tmp[4] == 50 && tmp[5] == 126) // Xterm
790     {
791     in_ascii = 0;
792     switch (tmp[2])
793     {
794     case 48:
795     out = KEY_SHIFT_F9;
796     break;
797     case 49:
798     out = KEY_SHIFT_F10;
799     break;
800     case 51:
801     out = KEY_SHIFT_F11;
802     break;
803     case 52:
804     out = KEY_SHIFT_F12;
805     break;
806     default:
807     in_ascii = 1;
808     }
809     if (!in_ascii)
810     {
811     break;
812     }
813     }
814    
815     if (c == 'm')
816     {
817     in_ascii = 0;
818 sysadm 1.14 }
819     continue;
820     }
821 sysadm 1.1
822 sysadm 1.14 out = ((int)c + 256) % 256;
823     break;
824 sysadm 1.1 }
825    
826 sysadm 1.36 // For ESC key
827     if (out == 0 && in_esc)
828     {
829     out = KEY_ESC;
830     }
831    
832 sysadm 1.33 // for debug
833 sysadm 1.45 #ifdef _DEBUG
834     if (out != KEY_TIMEOUT && out != KEY_NULL)
835     {
836     log_common("Debug: -->[0x %x]\n", out);
837     }
838     #endif
839 sysadm 1.33
840 sysadm 1.14 return out;
841 sysadm 1.1 }
842 sysadm 1.5
843 sysadm 1.31 int igetch_t(int sec)
844 sysadm 1.9 {
845 sysadm 1.14 int ch;
846 sysadm 1.44 time_t t_begin = time(NULL);
847 sysadm 1.10
848 sysadm 1.14 do
849     {
850 sysadm 1.31 ch = igetch(100);
851 sysadm 1.44 } while (!SYS_server_exit && ch == KEY_TIMEOUT && (time(NULL) - t_begin < sec));
852 sysadm 1.9
853 sysadm 1.14 return ch;
854 sysadm 1.9 }
855 sysadm 1.31
856     void igetch_reset()
857     {
858     int ch;
859     do
860     {
861     ch = igetch(0);
862     } while (ch != KEY_NULL && ch != KEY_TIMEOUT);
863     }
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