Commit | Line | Data |
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f02902f7 RM |
1 | /* Work-alike for termcap, plus extra features. |
2 | Copyright (C) 1985, 1986, 1993, 1994 Free Software Foundation, Inc. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; see the file COPYING. If not, write to | |
16 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
17 | ||
18 | /* Emacs config.h may rename various library functions such as malloc. */ | |
19 | #ifdef HAVE_CONFIG_H | |
8fde62c1 | 20 | |
f02902f7 | 21 | #include <config.h> |
8fde62c1 RS |
22 | |
23 | /* Get the O_* definitions for open et al. */ | |
24 | #include <sys/file.h> | |
25 | #ifdef USG5 | |
26 | #include <fcntl.h> | |
27 | #endif | |
28 | ||
f02902f7 RM |
29 | #else /* not HAVE_CONFIG_H */ |
30 | ||
31 | #if defined(HAVE_STRING_H) || defined(STDC_HEADERS) | |
32 | #define bcopy(s, d, n) memcpy ((d), (s), (n)) | |
33 | #endif | |
34 | ||
35 | #ifdef STDC_HEADERS | |
36 | #include <stdlib.h> | |
37 | #include <string.h> | |
38 | #else | |
39 | char *getenv (); | |
40 | char *malloc (); | |
41 | char *realloc (); | |
42 | #endif | |
43 | ||
44 | #ifdef HAVE_UNISTD_H | |
45 | #include <unistd.h> | |
46 | #endif | |
47 | #ifdef _POSIX_VERSION | |
48 | #include <fcntl.h> | |
49 | #endif | |
50 | ||
51 | #endif /* not HAVE_CONFIG_H */ | |
52 | ||
53 | #ifndef NULL | |
54 | #define NULL (char *) 0 | |
55 | #endif | |
56 | ||
983d99b5 RM |
57 | #ifndef O_RDONLY |
58 | #define O_RDONLY 0 | |
59 | #endif | |
60 | ||
f02902f7 RM |
61 | /* BUFSIZE is the initial size allocated for the buffer |
62 | for reading the termcap file. | |
63 | It is not a limit. | |
64 | Make it large normally for speed. | |
65 | Make it variable when debugging, so can exercise | |
66 | increasing the space dynamically. */ | |
67 | ||
68 | #ifndef BUFSIZE | |
69 | #ifdef DEBUG | |
70 | #define BUFSIZE bufsize | |
71 | ||
72 | int bufsize = 128; | |
73 | #else | |
74 | #define BUFSIZE 2048 | |
75 | #endif | |
76 | #endif | |
77 | ||
78 | #ifndef TERMCAP_NAME | |
79 | #define TERMCAP_NAME "/etc/termcap" | |
80 | #endif | |
81 | ||
82 | #ifndef emacs | |
83 | static void | |
84 | memory_out () | |
85 | { | |
86 | write (2, "virtual memory exhausted\n", 25); | |
87 | exit (1); | |
88 | } | |
89 | ||
90 | static char * | |
91 | xmalloc (size) | |
92 | unsigned size; | |
93 | { | |
94 | register char *tem = malloc (size); | |
95 | ||
96 | if (!tem) | |
97 | memory_out (); | |
98 | return tem; | |
99 | } | |
100 | ||
101 | static char * | |
102 | xrealloc (ptr, size) | |
103 | char *ptr; | |
104 | unsigned size; | |
105 | { | |
106 | register char *tem = realloc (ptr, size); | |
107 | ||
108 | if (!tem) | |
109 | memory_out (); | |
110 | return tem; | |
111 | } | |
112 | #endif /* not emacs */ | |
113 | \f | |
114 | /* Looking up capabilities in the entry already found. */ | |
115 | ||
116 | /* The pointer to the data made by tgetent is left here | |
117 | for tgetnum, tgetflag and tgetstr to find. */ | |
118 | static char *term_entry; | |
119 | ||
120 | static char *tgetst1 (); | |
121 | ||
122 | /* Search entry BP for capability CAP. | |
123 | Return a pointer to the capability (in BP) if found, | |
124 | 0 if not found. */ | |
125 | ||
126 | static char * | |
127 | find_capability (bp, cap) | |
128 | register char *bp, *cap; | |
129 | { | |
130 | for (; *bp; bp++) | |
131 | if (bp[0] == ':' | |
132 | && bp[1] == cap[0] | |
133 | && bp[2] == cap[1]) | |
134 | return &bp[4]; | |
135 | return NULL; | |
136 | } | |
137 | ||
138 | int | |
139 | tgetnum (cap) | |
140 | char *cap; | |
141 | { | |
142 | register char *ptr = find_capability (term_entry, cap); | |
143 | if (!ptr || ptr[-1] != '#') | |
144 | return -1; | |
145 | return atoi (ptr); | |
146 | } | |
147 | ||
148 | int | |
149 | tgetflag (cap) | |
150 | char *cap; | |
151 | { | |
152 | register char *ptr = find_capability (term_entry, cap); | |
153 | return ptr && ptr[-1] == ':'; | |
154 | } | |
155 | ||
156 | /* Look up a string-valued capability CAP. | |
157 | If AREA is non-null, it points to a pointer to a block in which | |
158 | to store the string. That pointer is advanced over the space used. | |
159 | If AREA is null, space is allocated with `malloc'. */ | |
160 | ||
161 | char * | |
162 | tgetstr (cap, area) | |
163 | char *cap; | |
164 | char **area; | |
165 | { | |
166 | register char *ptr = find_capability (term_entry, cap); | |
167 | if (!ptr || (ptr[-1] != '=' && ptr[-1] != '~')) | |
168 | return NULL; | |
169 | return tgetst1 (ptr, area); | |
170 | } | |
171 | ||
172 | /* Table, indexed by a character in range 0100 to 0140 with 0100 subtracted, | |
173 | gives meaning of character following \, or a space if no special meaning. | |
174 | Eight characters per line within the string. */ | |
175 | ||
176 | static char esctab[] | |
177 | = " \007\010 \033\014 \ | |
178 | \012 \ | |
179 | \015 \011 \013 \ | |
180 | "; | |
181 | ||
182 | /* PTR points to a string value inside a termcap entry. | |
183 | Copy that value, processing \ and ^ abbreviations, | |
184 | into the block that *AREA points to, | |
185 | or to newly allocated storage if AREA is NULL. | |
186 | Return the address to which we copied the value, | |
187 | or NULL if PTR is NULL. */ | |
188 | ||
189 | static char * | |
190 | tgetst1 (ptr, area) | |
191 | char *ptr; | |
192 | char **area; | |
193 | { | |
194 | register char *p, *r; | |
195 | register int c; | |
196 | register int size; | |
197 | char *ret; | |
198 | register int c1; | |
199 | ||
200 | if (!ptr) | |
201 | return NULL; | |
202 | ||
203 | /* `ret' gets address of where to store the string. */ | |
204 | if (!area) | |
205 | { | |
206 | /* Compute size of block needed (may overestimate). */ | |
207 | p = ptr; | |
208 | while ((c = *p++) && c != ':' && c != '\n') | |
209 | ; | |
210 | ret = (char *) xmalloc (p - ptr + 1); | |
211 | } | |
212 | else | |
213 | ret = *area; | |
214 | ||
215 | /* Copy the string value, stopping at null or colon. | |
216 | Also process ^ and \ abbreviations. */ | |
217 | p = ptr; | |
218 | r = ret; | |
219 | while ((c = *p++) && c != ':' && c != '\n') | |
220 | { | |
221 | if (c == '^') | |
222 | c = *p++ & 037; | |
223 | else if (c == '\\') | |
224 | { | |
225 | c = *p++; | |
226 | if (c >= '0' && c <= '7') | |
227 | { | |
228 | c -= '0'; | |
229 | size = 0; | |
230 | ||
231 | while (++size < 3 && (c1 = *p) >= '0' && c1 <= '7') | |
232 | { | |
233 | c *= 8; | |
234 | c += c1 - '0'; | |
235 | p++; | |
236 | } | |
237 | } | |
238 | else if (c >= 0100 && c < 0200) | |
239 | { | |
240 | c1 = esctab[(c & ~040) - 0100]; | |
241 | if (c1 != ' ') | |
242 | c = c1; | |
243 | } | |
244 | } | |
245 | *r++ = c; | |
246 | } | |
247 | *r = '\0'; | |
248 | /* Update *AREA. */ | |
249 | if (area) | |
250 | *area = r + 1; | |
251 | return ret; | |
252 | } | |
253 | \f | |
254 | /* Outputting a string with padding. */ | |
255 | ||
256 | short ospeed; | |
257 | /* If OSPEED is 0, we use this as the actual baud rate. */ | |
258 | int tputs_baud_rate; | |
259 | char PC; | |
260 | ||
261 | /* Actual baud rate if positive; | |
262 | - baud rate / 100 if negative. */ | |
263 | ||
264 | static short speeds[] = | |
265 | { | |
266 | #ifdef VMS | |
267 | 0, 50, 75, 110, 134, 150, -3, -6, -12, -18, | |
268 | -20, -24, -36, -48, -72, -96, -192 | |
269 | #else /* not VMS */ | |
270 | 0, 50, 75, 110, 135, 150, -2, -3, -6, -12, | |
271 | -18, -24, -48, -96, -192, -384 | |
272 | #endif /* not VMS */ | |
273 | }; | |
274 | ||
275 | void | |
276 | tputs (str, nlines, outfun) | |
277 | register char *str; | |
278 | int nlines; | |
279 | register int (*outfun) (); | |
280 | { | |
281 | register int padcount = 0; | |
282 | register int speed; | |
283 | ||
284 | #ifdef emacs | |
285 | extern baud_rate; | |
286 | speed = baud_rate; | |
287 | #else | |
288 | if (ospeed == 0) | |
289 | speed = tputs_baud_rate; | |
290 | else | |
291 | speed = speeds[ospeed]; | |
292 | #endif | |
293 | ||
294 | if (!str) | |
295 | return; | |
296 | ||
297 | while (*str >= '0' && *str <= '9') | |
298 | { | |
299 | padcount += *str++ - '0'; | |
300 | padcount *= 10; | |
301 | } | |
302 | if (*str == '.') | |
303 | { | |
304 | str++; | |
305 | padcount += *str++ - '0'; | |
306 | } | |
307 | if (*str == '*') | |
308 | { | |
309 | str++; | |
310 | padcount *= nlines; | |
311 | } | |
312 | while (*str) | |
313 | (*outfun) (*str++); | |
314 | ||
315 | /* padcount is now in units of tenths of msec. */ | |
316 | padcount *= speeds[ospeed]; | |
317 | padcount += 500; | |
318 | padcount /= 1000; | |
319 | if (speeds[ospeed] < 0) | |
320 | padcount = -padcount; | |
321 | else | |
322 | { | |
323 | padcount += 50; | |
324 | padcount /= 100; | |
325 | } | |
326 | ||
327 | while (padcount-- > 0) | |
328 | (*outfun) (PC); | |
329 | } | |
330 | \f | |
331 | /* Finding the termcap entry in the termcap data base. */ | |
332 | ||
333 | struct buffer | |
334 | { | |
335 | char *beg; | |
336 | int size; | |
337 | char *ptr; | |
338 | int ateof; | |
339 | int full; | |
340 | }; | |
341 | ||
342 | /* Forward declarations of static functions. */ | |
343 | ||
344 | static int scan_file (); | |
345 | static char *gobble_line (); | |
346 | static int compare_contin (); | |
347 | static int name_match (); | |
348 | ||
349 | #ifdef VMS | |
350 | ||
351 | #include <rmsdef.h> | |
352 | #include <fab.h> | |
353 | #include <nam.h> | |
354 | ||
355 | static int | |
356 | valid_filename_p (fn) | |
357 | char *fn; | |
358 | { | |
359 | struct FAB fab = cc$rms_fab; | |
360 | struct NAM nam = cc$rms_nam; | |
361 | char esa[NAM$C_MAXRSS]; | |
362 | ||
363 | fab.fab$l_fna = fn; | |
364 | fab.fab$b_fns = strlen(fn); | |
365 | fab.fab$l_nam = &nam; | |
366 | fab.fab$l_fop = FAB$M_NAM; | |
367 | ||
368 | nam.nam$l_esa = esa; | |
369 | nam.nam$b_ess = sizeof esa; | |
370 | ||
371 | return SYS$PARSE(&fab, 0, 0) == RMS$_NORMAL; | |
372 | } | |
373 | ||
374 | #else /* !VMS */ | |
375 | ||
376 | #ifdef MSDOS /* MW, May 1993 */ | |
377 | static int | |
378 | valid_filename_p (fn) | |
379 | char *fn; | |
380 | { | |
381 | return *fn == '/' || fn[1] == ':'; | |
382 | } | |
383 | #else | |
384 | #define valid_filename_p(fn) (*(fn) == '/') | |
385 | #endif | |
386 | ||
387 | #endif /* !VMS */ | |
388 | ||
389 | /* Find the termcap entry data for terminal type NAME | |
390 | and store it in the block that BP points to. | |
391 | Record its address for future use. | |
392 | ||
393 | If BP is null, space is dynamically allocated. | |
394 | ||
395 | Return -1 if there is some difficulty accessing the data base | |
396 | of terminal types, | |
397 | 0 if the data base is accessible but the type NAME is not defined | |
398 | in it, and some other value otherwise. */ | |
399 | ||
400 | int | |
401 | tgetent (bp, name) | |
402 | char *bp, *name; | |
403 | { | |
404 | register char *termcap_name; | |
405 | register int fd; | |
406 | struct buffer buf; | |
407 | register char *bp1; | |
408 | char *bp2; | |
409 | char *term; | |
410 | int malloc_size = 0; | |
411 | register int c; | |
412 | char *tcenv; /* TERMCAP value, if it contains :tc=. */ | |
413 | char *indirect = NULL; /* Terminal type in :tc= in TERMCAP value. */ | |
414 | int filep; | |
415 | ||
416 | #ifdef INTERNAL_TERMINAL | |
417 | /* For the internal terminal we don't want to read any termcap file, | |
418 | so fake it. */ | |
419 | if (!strcmp (name, "internal")) | |
420 | { | |
421 | term = INTERNAL_TERMINAL; | |
422 | if (!bp) | |
423 | { | |
424 | malloc_size = 1 + strlen (term); | |
425 | bp = (char *) xmalloc (malloc_size); | |
426 | } | |
427 | strcpy (bp, term); | |
428 | goto ret; | |
429 | } | |
430 | #endif /* INTERNAL_TERMINAL */ | |
431 | ||
432 | termcap_name = getenv ("TERMCAP"); | |
433 | if (termcap_name && *termcap_name == '\0') | |
434 | termcap_name = NULL; | |
435 | #if defined (MSDOS) && !defined (TEST) | |
436 | if (termcap_name && (*termcap_name == '\\' | |
437 | || *termcap_name == '/' | |
438 | || termcap_name[1] == ':')) | |
439 | dostounix_filename(termcap_name); | |
440 | #endif | |
441 | ||
442 | filep = termcap_name && valid_filename_p (termcap_name); | |
443 | ||
444 | /* If termcap_name is non-null and starts with / (in the un*x case, that is), | |
445 | it is a file name to use instead of /etc/termcap. | |
446 | If it is non-null and does not start with /, | |
447 | it is the entry itself, but only if | |
448 | the name the caller requested matches the TERM variable. */ | |
449 | ||
450 | if (termcap_name && !filep && !strcmp (name, getenv ("TERM"))) | |
451 | { | |
452 | indirect = tgetst1 (find_capability (termcap_name, "tc"), (char **) 0); | |
453 | if (!indirect) | |
454 | { | |
455 | if (!bp) | |
456 | bp = termcap_name; | |
457 | else | |
458 | strcpy (bp, termcap_name); | |
459 | goto ret; | |
460 | } | |
461 | else | |
462 | { /* It has tc=. Need to read /etc/termcap. */ | |
463 | tcenv = termcap_name; | |
464 | termcap_name = NULL; | |
465 | } | |
466 | } | |
467 | ||
468 | if (!termcap_name || !filep) | |
469 | termcap_name = TERMCAP_NAME; | |
470 | ||
471 | /* Here we know we must search a file and termcap_name has its name. */ | |
472 | ||
473 | #ifdef MSDOS | |
983d99b5 | 474 | fd = open (termcap_name, O_RDONLY|O_TEXT, 0); |
f02902f7 | 475 | #else |
983d99b5 | 476 | fd = open (termcap_name, O_RDONLY, 0); |
f02902f7 RM |
477 | #endif |
478 | if (fd < 0) | |
479 | return -1; | |
480 | ||
481 | buf.size = BUFSIZE; | |
482 | /* Add 1 to size to ensure room for terminating null. */ | |
483 | buf.beg = (char *) xmalloc (buf.size + 1); | |
484 | term = indirect ? indirect : name; | |
485 | ||
486 | if (!bp) | |
487 | { | |
488 | malloc_size = indirect ? strlen (tcenv) + 1 : buf.size; | |
489 | bp = (char *) xmalloc (malloc_size); | |
490 | } | |
491 | bp1 = bp; | |
492 | ||
493 | if (indirect) | |
494 | /* Copy the data from the environment variable. */ | |
495 | { | |
496 | strcpy (bp, tcenv); | |
497 | bp1 += strlen (tcenv); | |
498 | } | |
499 | ||
500 | while (term) | |
501 | { | |
502 | /* Scan the file, reading it via buf, till find start of main entry. */ | |
503 | if (scan_file (term, fd, &buf) == 0) | |
504 | { | |
505 | close (fd); | |
506 | free (buf.beg); | |
507 | if (malloc_size) | |
508 | free (bp); | |
509 | return 0; | |
510 | } | |
511 | ||
512 | /* Free old `term' if appropriate. */ | |
513 | if (term != name) | |
514 | free (term); | |
515 | ||
516 | /* If BP is malloc'd by us, make sure it is big enough. */ | |
517 | if (malloc_size) | |
518 | { | |
519 | malloc_size = bp1 - bp + buf.size; | |
520 | termcap_name = (char *) xrealloc (bp, malloc_size); | |
521 | bp1 += termcap_name - bp; | |
522 | bp = termcap_name; | |
523 | } | |
524 | ||
525 | bp2 = bp1; | |
526 | ||
527 | /* Copy the line of the entry from buf into bp. */ | |
528 | termcap_name = buf.ptr; | |
529 | while ((*bp1++ = c = *termcap_name++) && c != '\n') | |
530 | /* Drop out any \ newline sequence. */ | |
531 | if (c == '\\' && *termcap_name == '\n') | |
532 | { | |
533 | bp1--; | |
534 | termcap_name++; | |
535 | } | |
536 | *bp1 = '\0'; | |
537 | ||
538 | /* Does this entry refer to another terminal type's entry? | |
539 | If something is found, copy it into heap and null-terminate it. */ | |
540 | term = tgetst1 (find_capability (bp2, "tc"), (char **) 0); | |
541 | } | |
542 | ||
543 | close (fd); | |
544 | free (buf.beg); | |
545 | ||
546 | if (malloc_size) | |
547 | bp = (char *) xrealloc (bp, bp1 - bp + 1); | |
548 | ||
549 | ret: | |
550 | term_entry = bp; | |
551 | if (malloc_size) | |
552 | return (int) bp; | |
553 | return 1; | |
554 | } | |
555 | ||
556 | /* Given file open on FD and buffer BUFP, | |
557 | scan the file from the beginning until a line is found | |
558 | that starts the entry for terminal type STR. | |
559 | Return 1 if successful, with that line in BUFP, | |
560 | or 0 if no entry is found in the file. */ | |
561 | ||
562 | static int | |
563 | scan_file (str, fd, bufp) | |
564 | char *str; | |
565 | int fd; | |
566 | register struct buffer *bufp; | |
567 | { | |
568 | register char *end; | |
569 | ||
570 | bufp->ptr = bufp->beg; | |
571 | bufp->full = 0; | |
572 | bufp->ateof = 0; | |
573 | *bufp->ptr = '\0'; | |
574 | ||
575 | lseek (fd, 0L, 0); | |
576 | ||
577 | while (!bufp->ateof) | |
578 | { | |
579 | /* Read a line into the buffer. */ | |
580 | end = NULL; | |
581 | do | |
582 | { | |
583 | /* if it is continued, append another line to it, | |
584 | until a non-continued line ends. */ | |
585 | end = gobble_line (fd, bufp, end); | |
586 | } | |
587 | while (!bufp->ateof && end[-2] == '\\'); | |
588 | ||
589 | if (*bufp->ptr != '#' | |
590 | && name_match (bufp->ptr, str)) | |
591 | return 1; | |
592 | ||
593 | /* Discard the line just processed. */ | |
594 | bufp->ptr = end; | |
595 | } | |
596 | return 0; | |
597 | } | |
598 | ||
599 | /* Return nonzero if NAME is one of the names specified | |
600 | by termcap entry LINE. */ | |
601 | ||
602 | static int | |
603 | name_match (line, name) | |
604 | char *line, *name; | |
605 | { | |
606 | register char *tem; | |
607 | ||
608 | if (!compare_contin (line, name)) | |
609 | return 1; | |
610 | /* This line starts an entry. Is it the right one? */ | |
611 | for (tem = line; *tem && *tem != '\n' && *tem != ':'; tem++) | |
612 | if (*tem == '|' && !compare_contin (tem + 1, name)) | |
613 | return 1; | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
618 | static int | |
619 | compare_contin (str1, str2) | |
620 | register char *str1, *str2; | |
621 | { | |
622 | register int c1, c2; | |
623 | while (1) | |
624 | { | |
625 | c1 = *str1++; | |
626 | c2 = *str2++; | |
627 | while (c1 == '\\' && *str1 == '\n') | |
628 | { | |
629 | str1++; | |
630 | while ((c1 = *str1++) == ' ' || c1 == '\t'); | |
631 | } | |
632 | if (c2 == '\0') | |
633 | { | |
634 | /* End of type being looked up. */ | |
635 | if (c1 == '|' || c1 == ':') | |
636 | /* If end of name in data base, we win. */ | |
637 | return 0; | |
638 | else | |
639 | return 1; | |
640 | } | |
641 | else if (c1 != c2) | |
642 | return 1; | |
643 | } | |
644 | } | |
645 | ||
646 | /* Make sure that the buffer <- BUFP contains a full line | |
647 | of the file open on FD, starting at the place BUFP->ptr | |
648 | points to. Can read more of the file, discard stuff before | |
649 | BUFP->ptr, or make the buffer bigger. | |
650 | ||
651 | Return the pointer to after the newline ending the line, | |
652 | or to the end of the file, if there is no newline to end it. | |
653 | ||
654 | Can also merge on continuation lines. If APPEND_END is | |
655 | non-null, it points past the newline of a line that is | |
656 | continued; we add another line onto it and regard the whole | |
657 | thing as one line. The caller decides when a line is continued. */ | |
658 | ||
659 | static char * | |
660 | gobble_line (fd, bufp, append_end) | |
661 | int fd; | |
662 | register struct buffer *bufp; | |
663 | char *append_end; | |
664 | { | |
665 | register char *end; | |
666 | register int nread; | |
667 | register char *buf = bufp->beg; | |
668 | register char *tem; | |
669 | ||
670 | if (!append_end) | |
671 | append_end = bufp->ptr; | |
672 | ||
673 | while (1) | |
674 | { | |
675 | end = append_end; | |
676 | while (*end && *end != '\n') end++; | |
677 | if (*end) | |
678 | break; | |
679 | if (bufp->ateof) | |
680 | return buf + bufp->full; | |
681 | if (bufp->ptr == buf) | |
682 | { | |
683 | if (bufp->full == bufp->size) | |
684 | { | |
685 | bufp->size *= 2; | |
686 | /* Add 1 to size to ensure room for terminating null. */ | |
687 | tem = (char *) xrealloc (buf, bufp->size + 1); | |
688 | bufp->ptr = (bufp->ptr - buf) + tem; | |
689 | append_end = (append_end - buf) + tem; | |
690 | bufp->beg = buf = tem; | |
691 | } | |
692 | } | |
693 | else | |
694 | { | |
695 | append_end -= bufp->ptr - buf; | |
696 | bcopy (bufp->ptr, buf, bufp->full -= bufp->ptr - buf); | |
697 | bufp->ptr = buf; | |
698 | } | |
699 | if (!(nread = read (fd, buf + bufp->full, bufp->size - bufp->full))) | |
700 | bufp->ateof = 1; | |
701 | bufp->full += nread; | |
702 | buf[bufp->full] = '\0'; | |
703 | } | |
704 | return end + 1; | |
705 | } | |
706 | \f | |
707 | #ifdef TEST | |
708 | ||
709 | #ifdef NULL | |
710 | #undef NULL | |
711 | #endif | |
712 | ||
713 | #include <stdio.h> | |
714 | ||
715 | main (argc, argv) | |
716 | int argc; | |
717 | char **argv; | |
718 | { | |
719 | char *term; | |
720 | char *buf; | |
721 | ||
722 | term = argv[1]; | |
723 | printf ("TERM: %s\n", term); | |
724 | ||
725 | buf = (char *) tgetent (0, term); | |
726 | if ((int) buf <= 0) | |
727 | { | |
728 | printf ("No entry.\n"); | |
729 | return 0; | |
730 | } | |
731 | ||
732 | printf ("Entry: %s\n", buf); | |
733 | ||
734 | tprint ("cm"); | |
735 | tprint ("AL"); | |
736 | ||
737 | printf ("co: %d\n", tgetnum ("co")); | |
738 | printf ("am: %d\n", tgetflag ("am")); | |
739 | } | |
740 | ||
741 | tprint (cap) | |
742 | char *cap; | |
743 | { | |
744 | char *x = tgetstr (cap, 0); | |
745 | register char *y; | |
746 | ||
747 | printf ("%s: ", cap); | |
748 | if (x) | |
749 | { | |
750 | for (y = x; *y; y++) | |
751 | if (*y <= ' ' || *y == 0177) | |
752 | printf ("\\%0o", *y); | |
753 | else | |
754 | putchar (*y); | |
755 | free (x); | |
756 | } | |
757 | else | |
758 | printf ("none"); | |
759 | putchar ('\n'); | |
760 | } | |
761 | ||
762 | #endif /* TEST */ | |
763 |