infocmp.c revision 1.4 1 /* $NetBSD: infocmp.c,v 1.4 2010/02/05 16:43:46 roy Exp $ */
2
3 /*
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Roy Marples.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 __RCSID("$NetBSD: infocmp.c,v 1.4 2010/02/05 16:43:46 roy Exp $");
32
33 #include <sys/ioctl.h>
34
35 #include <ctype.h>
36 #include <err.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <term_private.h>
41 #include <term.h>
42 #include <unistd.h>
43
44 #define SW 8
45
46 typedef struct tient {
47 char type;
48 const char *id;
49 signed char flag;
50 short num;
51 const char *str;
52 } TIENT;
53
54 static size_t cols;
55 static int aflag, cflag, nflag, qflag, xflag;
56
57 static size_t
58 outstr(FILE *f, const char *str)
59 {
60 unsigned char ch;
61 size_t r, l;
62
63 r = 0;
64 l = strlen(str);
65 while ((ch = (unsigned char)(*str++)) != '\0') {
66 switch (ch) {
67 case 128:
68 ch = '0';
69 break;
70 case '\033':
71 ch = 'E';
72 break;
73 case '\014':
74 ch = 'f';
75 break;
76 case '^': /* FALLTHROUGH */
77 case ',': /* escape these */
78 break;
79 case ' ':
80 ch = 's';
81 break;
82 default:
83 if (ch == '\177') {
84 if (f != NULL)
85 fputc('^', f);
86 ch = '?';
87 r++;
88 } else if (iscntrl(ch) &&
89 ch < 128 &&
90 ch != '\\' &&
91 (l < 4 || isdigit((unsigned char)*str)))
92 {
93 if (f != NULL)
94 fputc('^', f);
95 ch += '@';
96 r++;
97 } else if (!isprint(ch)) {
98 if (f != NULL)
99 fprintf(f, "\\%03o", ch);
100 r += 4;
101 continue;
102 }
103 goto prnt;
104 }
105
106 if (f != NULL)
107 fputc('\\', f);
108 r++;
109 prnt:
110 if (f != NULL)
111 fputc(ch, f);
112 r++;
113 }
114 return r;
115 }
116
117 static int
118 ent_compare(const void *a, const void *b)
119 {
120 const TIENT *ta, *tb;
121
122 ta = (const TIENT *)a;
123 tb = (const TIENT *)b;
124 return strcmp(ta->id, tb->id);
125 }
126
127 static void
128 setdb(char *db)
129 {
130 size_t len;
131
132 len = strlen(db);
133 if (len > 3 &&
134 db[len - 3] == '.' &&
135 db[len - 2] == 'd' &&
136 db[len - 1] == 'b')
137 db[len - 3] = '\0';
138 setenv("TERMINFO", db, 1);
139 }
140
141 static void
142 print_ent(const TIENT *ents, size_t nents)
143 {
144 size_t col, i, l;
145 char nbuf[64];
146
147 if (nents == 0)
148 return;
149
150 col = SW;
151 printf("\t");
152 for (i = 0; i < nents; i++) {
153 if (*ents[i].id == '.' && aflag == 0)
154 continue;
155 switch (ents[i].type) {
156 case 'f':
157 if (ents[i].flag == ABSENT_BOOLEAN)
158 continue;
159 l = strlen(ents[i].id) + 2;
160 if (ents[i].flag == CANCELLED_BOOLEAN)
161 l++;
162 break;
163 case 'n':
164 if (ents[i].num == ABSENT_NUMERIC)
165 continue;
166 if (VALID_NUMERIC(ents[i].num))
167 l = snprintf(nbuf, sizeof(nbuf), "%s#%d,",
168 ents[i].id, ents[i].num);
169 else
170 l = snprintf(nbuf, sizeof(nbuf), "%s@,",
171 ents[i].id);
172 break;
173 case 's':
174 if (ents[i].str == ABSENT_STRING)
175 continue;
176 if (VALID_STRING(ents[i].str))
177 l = strlen(ents[i].id) +
178 outstr(NULL, ents[i].str) + 7;
179 else
180 l = strlen(ents[i].id) + 3;
181 break;
182 default:
183 errx(1, "invalid type");
184 }
185 if (col != SW) {
186 if (col + l > cols) {
187 printf("\n\t");
188 col = SW;
189 } else
190 col += printf(" ");
191 }
192 switch (ents[i].type) {
193 case 'f':
194 col += printf("%s", ents[i].id);
195 if (ents[i].flag == ABSENT_BOOLEAN ||
196 ents[i].flag == CANCELLED_BOOLEAN)
197 col += printf("@");
198 col += printf(",");
199 break;
200 case 'n':
201 col += printf("%s", nbuf);
202 break;
203 case 's':
204 col += printf("%s", ents[i].id);
205 if (VALID_STRING(ents[i].str)) {
206 col += printf("=");
207 col += outstr(stdout, ents[i].str);
208 } else
209 col += printf("@");
210 col += printf(",");
211 break;
212 }
213 }
214 printf("\n");
215 }
216
217 static size_t
218 load_ents(TIENT *ents, TERMINAL *t, char type)
219 {
220 size_t i, n, max;
221 TERMUSERDEF *ud;
222
223 switch (type) {
224 case 'f':
225 max = TIFLAGMAX;
226 break;
227 case 'n':
228 max = TINUMMAX;
229 break;
230 default:
231 max = TISTRMAX;
232 }
233
234 n = 0;
235 for (i = 0; i <= max; i++) {
236 switch (type) {
237 case 'f':
238 if (t->flags[i] == 1 ||
239 (aflag && t->flags[i] == CANCELLED_BOOLEAN))
240 {
241 ents[n].id = _ti_flagid(i);
242 ents[n].type = 'f';
243 ents[n++].flag = t->flags[i];
244 }
245 break;
246 case 'n':
247 if (VALID_NUMERIC(t->nums[i]) ||
248 (aflag && t->nums[i] == CANCELLED_NUMERIC))
249 {
250 ents[n].id = _ti_numid(i);
251 ents[n].type = 'n';
252 ents[n++].num = t->nums[i];
253 }
254 break;
255 default:
256 if (VALID_STRING(t->strs[i]) ||
257 (aflag && t->strs[i] == CANCELLED_STRING))
258 {
259 ents[n].id = _ti_strid(i);
260 ents[n].type = 's';
261 ents[n++].str = t->strs[i];
262 }
263 break;
264 }
265 }
266
267 if (xflag != 0 && t->_nuserdefs != 0) {
268 for (i = 0; i < t->_nuserdefs; i++) {
269 ud = &t->_userdefs[i];
270 if (ud->type == type) {
271 switch (type) {
272 case 'f':
273 if (!aflag &&
274 !VALID_BOOLEAN(ud->flag))
275 continue;
276 break;
277 case 'n':
278 if (!aflag &&
279 !VALID_NUMERIC(ud->num))
280 continue;
281 break;
282 case 's':
283 if (!aflag &&
284 !VALID_STRING(ud->str))
285 continue;
286 break;
287 }
288 ents[n].id = ud->id;
289 ents[n].type = ud->type;
290 ents[n].flag = ud->flag;
291 ents[n].num = ud->num;
292 ents[n++].str = ud->str;
293 }
294 }
295 }
296
297 qsort(ents, n, sizeof(TIENT), ent_compare);
298 return n;
299 }
300
301 static void
302 cprint_ent(TIENT *ent)
303 {
304
305 if (ent == NULL) {
306 if (qflag == 0)
307 printf("NULL");
308 else
309 printf("-");
310 }
311
312 switch (ent->type) {
313 case 'f':
314 if (VALID_BOOLEAN(ent->flag))
315 printf(ent->flag == 1 ? "T" : "F");
316 else if (qflag == 0)
317 printf("F");
318 else if (ent->flag == CANCELLED_BOOLEAN)
319 printf("@");
320 else
321 printf("-");
322 break;
323 case 'n':
324 if (VALID_NUMERIC(ent->num))
325 printf("%d", ent->num);
326 else if (qflag == 0)
327 printf("NULL");
328 else if (ent->num == CANCELLED_NUMERIC)
329 printf("@");
330 else
331 printf("-");
332 break;
333 case 's':
334 if (VALID_STRING(ent->str)) {
335 printf("'");
336 outstr(stdout, ent->str);
337 printf("'");
338 } else if (qflag == 0)
339 printf("NULL");
340 else if (ent->str == CANCELLED_STRING)
341 printf("@");
342 else
343 printf("-");
344 break;
345 }
346 }
347
348 static void
349 compare_ents(TIENT *ents1, size_t n1, TIENT *ents2, size_t n2)
350 {
351 size_t i1, i2;
352 TIENT *e1, *e2, ee;
353 int c;
354
355 i1 = i2 = 0;
356 ee.type = 'f';
357 ee.flag = ABSENT_BOOLEAN;
358 ee.num = ABSENT_NUMERIC;
359 ee.str = ABSENT_STRING;
360 while (i1 != n1 || i2 != n2) {
361 if (i1 == n1)
362 c = 1;
363 else if (i2 == n2)
364 c = -1;
365 else
366 c = strcmp(ents1[i1].id, ents2[i2].id);
367 if (c == 0) {
368 e1 = &ents1[i1++];
369 e2 = &ents2[i2++];
370 } else if (c < 0) {
371 e1 = &ents1[i1++];
372 e2 = ⅇ
373 ee.id = e1->id;
374 ee.type = e1->type;
375 } else {
376 e1 = ⅇ
377 e2 = &ents2[i2++];
378 ee.id = e2->id;
379 ee.type = e2->type;
380 }
381 switch (e1->type) {
382 case 'f':
383 if (cflag != 0) {
384 if (e1->flag == e2->flag)
385 printf("\t%s\n", ents1[i1].id);
386 continue;
387 }
388 if (e1->flag == e2->flag)
389 continue;
390 break;
391 case 'n':
392 if (cflag != 0) {
393 if (e1->num == e2->num)
394 printf("\t%s#%d\n",
395 ents1[i1].id, ents1[i1].num);
396 continue;
397 }
398 if (e1->num == e2->num)
399 continue;
400 break;
401 case 's':
402 if (cflag != 0) {
403 if (VALID_STRING(e1->str) &&
404 VALID_STRING(e2->str) &&
405 strcmp(e1->str, e2->str) == 0) {
406 printf("\t%s=", ents1[i1].id);
407 outstr(stdout, ents1[i1].str);
408 printf("\n");
409 }
410 continue;
411 }
412 if (VALID_STRING(e1->str) &&
413 VALID_STRING(e2->str) &&
414 strcmp(e1->str, e2->str) == 0)
415 continue;
416 break;
417 }
418 printf("\t%s: ", e1->id);
419 cprint_ent(e1);
420 if (e1->type == 'f')
421 printf(":");
422 else
423 printf(", ");
424 cprint_ent(e2);
425 printf(".\n");
426 }
427 }
428
429 static TERMINAL *
430 load_term(const char *name)
431 {
432 TERMINAL *t;
433
434 t = calloc(1, sizeof(*t));
435 if (t == NULL)
436 err(1, "calloc");
437 if (name == NULL)
438 name = getenv("TERM");
439 if (name == NULL)
440 name = "dumb";
441 if (_ti_getterm(t, name, 1) != 1) /* load the raw data */
442 errx(1, "no terminal definition found in %s.db", _ti_database);
443 return t;
444 }
445
446 static void
447 show_missing(TERMINAL *t1, TERMINAL *t2, char type)
448 {
449 ssize_t i, max;
450 const char *id;
451
452 switch (type) {
453 case 'f':
454 max = TIFLAGMAX;
455 break;
456 case 'n':
457 max = TINUMMAX;
458 break;
459 default:
460 max = TISTRMAX;
461 }
462
463 for (i = 0; i <= max; i++) {
464 switch (type) {
465 case 'f':
466 if (t1->flags[i] != ABSENT_BOOLEAN ||
467 t2->flags[i] != ABSENT_BOOLEAN)
468 continue;
469 id = _ti_flagid(i);
470 break;
471 case 'n':
472 if (t1->nums[i] != ABSENT_NUMERIC ||
473 t2->nums[i] != ABSENT_NUMERIC)
474 continue;
475 id = _ti_numid(i);
476 break;
477 default:
478 if (t1->strs[i] != ABSENT_STRING ||
479 t2->strs[i] != ABSENT_STRING)
480 continue;
481 id = _ti_strid(i);
482 break;
483 }
484 printf("\t!%s.\n", id);
485 }
486 }
487
488 static TERMUSERDEF *
489 find_userdef(TERMINAL *term, const char *id)
490 {
491 size_t i;
492
493 for (i = 0; i < term->_nuserdefs; i++)
494 if (strcmp(term->_userdefs[i].id, id) == 0)
495 return &term->_userdefs[i];
496 return NULL;
497 }
498
499 static void
500 use_terms(TERMINAL *term, size_t nuse, char **uterms)
501 {
502 TERMINAL **terms;
503 TERMUSERDEF *ud, *tud;
504 size_t i, j, agree, absent, data;
505
506 terms = malloc(sizeof(**terms) * nuse);
507 if (terms == NULL)
508 err(1, "malloc");
509 for (i = 0; i < nuse; i++) {
510 if (strcmp(term->name, *uterms) == 0)
511 errx(1, "cannot use same terminal");
512 for (j = 0; j < i; j++)
513 if (strcmp(terms[j]->name, *uterms) == 0)
514 errx(1, "cannot use same terminal");
515 terms[i] = load_term(*uterms++);
516 }
517
518 for (i = 0; i < TIFLAGMAX + 1; i++) {
519 agree = absent = data = 0;
520 for (j = 0; j < nuse; j++) {
521 if (terms[j]->flags[i] == ABSENT_BOOLEAN ||
522 terms[j]->flags[i] == CANCELLED_BOOLEAN)
523 absent++;
524 else {
525 data++;
526 if (term->flags[i] == terms[j]->flags[i])
527 agree++;
528 }
529 }
530 if (data == 0)
531 continue;
532 if (agree > 0 && agree + absent == nuse)
533 term->flags[i] = ABSENT_BOOLEAN;
534 else if (term->flags[i] == ABSENT_BOOLEAN)
535 term->flags[i] = CANCELLED_BOOLEAN;
536 }
537
538 for (i = 0; i < TINUMMAX + 1; i++) {
539 agree = absent = data = 0;
540 for (j = 0; j < nuse; j++) {
541 if (terms[j]->nums[i] == ABSENT_NUMERIC ||
542 terms[j]->nums[i] == CANCELLED_NUMERIC)
543 absent++;
544 else {
545 data++;
546 if (term->nums[i] == terms[j]->nums[i])
547 agree++;
548 }
549 }
550 if (data == 0)
551 continue;
552 if (agree > 0 && agree + absent == nuse)
553 term->nums[i] = ABSENT_NUMERIC;
554 else if (term->nums[i] == ABSENT_NUMERIC)
555 term->nums[i] = CANCELLED_NUMERIC;
556 }
557
558 for (i = 0; i < TISTRMAX + 1; i++) {
559 agree = absent = data = 0;
560 for (j = 0; j < nuse; j++) {
561 if (terms[j]->strs[i] == ABSENT_STRING ||
562 terms[j]->strs[i] == CANCELLED_STRING)
563 absent++;
564 else {
565 data++;
566 if (VALID_STRING(term->strs[i]) &&
567 strcmp(term->strs[i],
568 terms[j]->strs[i]) == 0)
569 agree++;
570 }
571 }
572 if (data == 0)
573 continue;
574 if (agree > 0 && agree + absent == nuse)
575 term->strs[i] = ABSENT_STRING;
576 else if (term->strs[i] == ABSENT_STRING)
577 term->strs[i] = CANCELLED_STRING;
578 }
579
580 /* User defined caps are more tricky.
581 First we set any to absent that agree. */
582 for (i = 0; i < term->_nuserdefs; i++) {
583 agree = absent = data = 0;
584 ud = &term->_userdefs[i];
585 for (j = 0; j < nuse; j++) {
586 tud = find_userdef(terms[j], ud->id);
587 if (tud == NULL)
588 absent++;
589 else {
590 data++;
591 switch (ud->type) {
592 case 'f':
593 if (tud->type == 'f' &&
594 tud->flag == ud->flag)
595 agree++;
596 break;
597 case 'n':
598 if (tud->type == 'n' &&
599 tud->num == ud->num)
600 agree++;
601 break;
602 case 's':
603 if (tud->type == 's' &&
604 VALID_STRING(tud->str) &&
605 VALID_STRING(ud->str) &&
606 strcmp(ud->str, tud->str) == 0)
607 agree++;
608 break;
609 }
610 }
611 }
612 if (data == 0)
613 continue;
614 if (agree > 0 && agree + absent == nuse) {
615 ud->flag = ABSENT_BOOLEAN;
616 ud->num = ABSENT_NUMERIC;
617 ud->str = ABSENT_STRING;
618 }
619 }
620
621 /* Now add any that we don't have as cancelled */
622 for (i = 0; i < nuse; i++) {
623 for (j = 0; j < terms[i]->_nuserdefs; j++) {
624 ud = find_userdef(term, terms[i]->_userdefs[j].id);
625 if (ud != NULL)
626 continue; /* We have handled this */
627 term->_userdefs = realloc(term->_userdefs,
628 sizeof(*term->_userdefs) * (term->_nuserdefs + 1));
629 if (term->_userdefs == NULL)
630 err(1, "malloc");
631 tud = &term->_userdefs[term->_nuserdefs++];
632 tud->id = terms[i]->_userdefs[j].id;
633 tud->type = terms[i]->_userdefs[j].flag;
634 tud->flag = CANCELLED_BOOLEAN;
635 tud->num = CANCELLED_NUMERIC;
636 tud->str = CANCELLED_STRING;
637 }
638 }
639 }
640
641 int
642 main(int argc, char **argv)
643 {
644 char *term, *Barg;
645 int ch, uflag;
646 TERMINAL *t, *t2;
647 size_t n, n2;
648 struct winsize ws;
649 TIENT ents[TISTRMAX + 1], ents2[TISTRMAX + 1];
650
651 cols = 80; /* default */
652 term = getenv("COLUMNS");
653 if (term != NULL)
654 cols = strtoul(term, NULL, 10);
655 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == 0)
656 cols = ws.ws_col;
657
658 uflag = xflag = 0;
659 Barg = NULL;
660 while ((ch = getopt(argc, argv, "1A:B:acnquw:x")) != -1)
661 switch (ch) {
662 case '1':
663 cols = 1;
664 break;
665 case 'A':
666 setdb(optarg);
667 break;
668 case 'B':
669 Barg = optarg;
670 break;
671 case 'a':
672 aflag = 1;
673 break;
674 case 'c':
675 cflag = 1;
676 break;
677 case 'n':
678 nflag = 1;
679 break;
680 case 'q':
681 qflag = 1;
682 break;
683 case 'u':
684 uflag = 1;
685 aflag = 1;
686 break;
687 case 'w':
688 cols = strtoul(optarg, NULL, 10);
689 break;
690 case 'x':
691 xflag = 1;
692 break;
693 case '?':
694 default:
695 fprintf(stderr,
696 "usage: %s [-1acnqux] [-A database] [-B database] "
697 "[-w cols] [term]\n",
698 getprogname());
699 return EXIT_FAILURE;
700 }
701 cols--;
702
703 if (optind + 1 < argc)
704 aflag = 1;
705
706 if (optind < argc)
707 term = argv[optind++];
708 else
709 term = NULL;
710 t = load_term(term);
711
712 if (uflag != 0)
713 use_terms(t, argc - optind, argv + optind);
714
715 if ((optind + 1 != argc && nflag == 0) || uflag != 0) {
716 if (uflag == 0)
717 printf("# Reconstructed from %s.db\n", _ti_database);
718 printf("%s", t->name);
719 if (t->_alias != NULL && *t->_alias != '\0')
720 printf("|%s", t->_alias);
721 if (t->desc != NULL && *t->desc != '\0')
722 printf("|%s", t->desc);
723 printf(",\n");
724
725 n = load_ents(ents, t, 'f');
726 print_ent(ents, n);
727 n = load_ents(ents, t, 'n');
728 print_ent(ents, n);
729 n = load_ents(ents, t, 's');
730 print_ent(ents, n);
731
732 if (uflag != 0) {
733 printf("\t");
734 n = SW;
735 for (; optind < argc; optind++) {
736 n2 = 5 + strlen(argv[optind]);
737 if (n != SW) {
738 if (n + n2 > cols) {
739 printf("\n\t");
740 n = SW;
741 } else
742 n += printf(" ");
743 }
744 n += printf("use=%s,", argv[optind]);
745 }
746 printf("\n");
747 }
748 return EXIT_SUCCESS;
749 }
750
751 if (Barg == NULL)
752 unsetenv("TERMINFO");
753 else
754 setdb(Barg);
755 t2 = load_term(argv[optind++]);
756 printf("comparing %s to %s.\n", t->name, t2->name);
757 if (qflag == 0)
758 printf(" comparing booleans.\n");
759 if (nflag == 0) {
760 n = load_ents(ents, t, 'f');
761 n2 = load_ents(ents2, t2, 'f');
762 compare_ents(ents, n, ents2, n2);
763 } else
764 show_missing(t, t2, 'f');
765 if (qflag == 0)
766 printf(" comparing numbers.\n");
767 if (nflag == 0) {
768 n = load_ents(ents, t, 'n');
769 n2 = load_ents(ents2, t2, 'n');
770 compare_ents(ents, n, ents2, n2);
771 } else
772 show_missing(t, t2, 'n');
773 if (qflag == 0)
774 printf(" comparing strings.\n");
775 if (nflag == 0) {
776 n = load_ents(ents, t, 's');
777 n2 = load_ents(ents2, t2, 's');
778 compare_ents(ents, n, ents2, n2);
779 } else
780 show_missing(t, t2, 's');
781 return EXIT_SUCCESS;
782 }
783