Remove tm.h and xm.h handling, as it wasn't used. Use nm.h only when needed.
[dragonfly.git] / contrib / ncurses-5.4 / progs / infocmp.c
blobe5751fb41a618d879113d13f3b2c34a04acb6f50
1 /****************************************************************************
2 * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
35 * infocmp.c -- decompile an entry, or compare two entries
36 * written by Eric S. Raymond
39 #include <progs.priv.h>
41 #include <term_entry.h>
42 #include <dump_entry.h>
44 MODULE_ID("$Id: infocmp.c,v 1.71 2003/10/18 18:01:54 tom Exp $")
46 #define L_CURL "{"
47 #define R_CURL "}"
49 #define MAXTERMS 32 /* max # terminal arguments we can handle */
50 #define MAX_STRING 1024 /* maximum formatted string */
52 const char *_nc_progname = "infocmp";
54 typedef char path[PATH_MAX];
56 /***************************************************************************
58 * The following control variables, together with the contents of the
59 * terminfo entries, completely determine the actions of the program.
61 ***************************************************************************/
63 static char *tname[MAXTERMS]; /* terminal type names */
64 static ENTRY entries[MAXTERMS]; /* terminfo entries */
65 static int termcount; /* count of terminal entries */
67 static bool limited = TRUE; /* "-r" option is not set */
68 static bool quiet = FALSE;
69 static const char *bool_sep = ":";
70 static const char *s_absent = "NULL";
71 static const char *s_cancel = "NULL";
72 static const char *tversion; /* terminfo version selected */
73 static int itrace; /* trace flag for debugging */
74 static int mwidth = 60;
75 static int numbers = 0; /* format "%'char'" to/from "%{number}" */
76 static int outform = F_TERMINFO; /* output format */
77 static int sortmode; /* sort_mode */
79 /* main comparison mode */
80 static int compare;
81 #define C_DEFAULT 0 /* don't force comparison mode */
82 #define C_DIFFERENCE 1 /* list differences between two terminals */
83 #define C_COMMON 2 /* list common capabilities */
84 #define C_NAND 3 /* list capabilities in neither terminal */
85 #define C_USEALL 4 /* generate relative use-form entry */
86 static bool ignorepads; /* ignore pad prefixes when diffing */
88 #if NO_LEAKS
89 #undef ExitProgram
90 static void
91 ExitProgram(int code) GCC_NORETURN;
92 /* prototype is to get gcc to accept the noreturn attribute */
93 static void
94 ExitProgram(int code)
96 while (termcount-- > 0)
97 _nc_free_termtype(&entries[termcount].tterm);
98 _nc_leaks_dump_entry();
99 _nc_free_and_exit(code);
101 #endif
103 static char *
104 canonical_name(char *ptr, char *buf)
105 /* extract the terminal type's primary name */
107 char *bp;
109 (void) strcpy(buf, ptr);
110 if ((bp = strchr(buf, '|')) != 0)
111 *bp = '\0';
113 return (buf);
116 /***************************************************************************
118 * Predicates for dump function
120 ***************************************************************************/
122 static int
123 capcmp(unsigned idx, const char *s, const char *t)
124 /* capability comparison function */
126 if (!VALID_STRING(s) && !VALID_STRING(t))
127 return (s != t);
128 else if (!VALID_STRING(s) || !VALID_STRING(t))
129 return (1);
131 if ((idx == acs_chars_index) || !ignorepads)
132 return (strcmp(s, t));
133 else
134 return (_nc_capcmp(s, t));
137 static int
138 use_predicate(int type, int idx)
139 /* predicate function to use for use decompilation */
141 ENTRY *ep;
143 switch (type) {
144 case BOOLEAN:
146 int is_set = FALSE;
149 * This assumes that multiple use entries are supposed
150 * to contribute the logical or of their boolean capabilities.
151 * This is true if we take the semantics of multiple uses to
152 * be 'each capability gets the first non-default value found
153 * in the sequence of use entries'.
155 * Note that cancelled or absent booleans are stored as FALSE,
156 * unlike numbers and strings, whose cancelled/absent state is
157 * recorded in the terminfo database.
159 for (ep = &entries[1]; ep < entries + termcount; ep++)
160 if (ep->tterm.Booleans[idx] == TRUE) {
161 is_set = entries[0].tterm.Booleans[idx];
162 break;
164 if (is_set != entries[0].tterm.Booleans[idx])
165 return (!is_set);
166 else
167 return (FAIL);
170 case NUMBER:
172 int value = ABSENT_NUMERIC;
175 * We take the semantics of multiple uses to be 'each
176 * capability gets the first non-default value found
177 * in the sequence of use entries'.
179 for (ep = &entries[1]; ep < entries + termcount; ep++)
180 if (VALID_NUMERIC(ep->tterm.Numbers[idx])) {
181 value = ep->tterm.Numbers[idx];
182 break;
185 if (value != entries[0].tterm.Numbers[idx])
186 return (value != ABSENT_NUMERIC);
187 else
188 return (FAIL);
191 case STRING:
193 char *termstr, *usestr = ABSENT_STRING;
195 termstr = entries[0].tterm.Strings[idx];
198 * We take the semantics of multiple uses to be 'each
199 * capability gets the first non-default value found
200 * in the sequence of use entries'.
202 for (ep = &entries[1]; ep < entries + termcount; ep++)
203 if (ep->tterm.Strings[idx]) {
204 usestr = ep->tterm.Strings[idx];
205 break;
208 if (usestr == ABSENT_STRING && termstr == ABSENT_STRING)
209 return (FAIL);
210 else if (!usestr || !termstr || capcmp(idx, usestr, termstr))
211 return (TRUE);
212 else
213 return (FAIL);
217 return (FALSE); /* pacify compiler */
220 static bool
221 useeq(ENTRY * e1, ENTRY * e2)
222 /* are the use references in two entries equivalent? */
224 int i, j;
226 if (e1->nuses != e2->nuses)
227 return (FALSE);
229 /* Ugh...this is quadratic again */
230 for (i = 0; i < e1->nuses; i++) {
231 bool foundmatch = FALSE;
233 /* search second entry for given use reference */
234 for (j = 0; j < e2->nuses; j++)
235 if (!strcmp(e1->uses[i].name, e2->uses[j].name)) {
236 foundmatch = TRUE;
237 break;
240 if (!foundmatch)
241 return (FALSE);
244 return (TRUE);
247 static bool
248 entryeq(TERMTYPE * t1, TERMTYPE * t2)
249 /* are two entries equivalent? */
251 unsigned i;
253 for (i = 0; i < NUM_BOOLEANS(t1); i++)
254 if (t1->Booleans[i] != t2->Booleans[i])
255 return (FALSE);
257 for (i = 0; i < NUM_NUMBERS(t1); i++)
258 if (t1->Numbers[i] != t2->Numbers[i])
259 return (FALSE);
261 for (i = 0; i < NUM_STRINGS(t1); i++)
262 if (capcmp(i, t1->Strings[i], t2->Strings[i]))
263 return (FALSE);
265 return (TRUE);
268 #define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers)
270 static void
271 print_uses(ENTRY * ep, FILE *fp)
272 /* print an entry's use references */
274 int i;
276 if (!ep->nuses)
277 fputs("NULL", fp);
278 else
279 for (i = 0; i < ep->nuses; i++) {
280 fputs(ep->uses[i].name, fp);
281 if (i < ep->nuses - 1)
282 fputs(" ", fp);
286 static const char *
287 dump_boolean(int val)
288 /* display the value of a boolean capability */
290 switch (val) {
291 case ABSENT_BOOLEAN:
292 return (s_absent);
293 case CANCELLED_BOOLEAN:
294 return (s_cancel);
295 case FALSE:
296 return ("F");
297 case TRUE:
298 return ("T");
299 default:
300 return ("?");
304 static void
305 dump_numeric(int val, char *buf)
306 /* display the value of a boolean capability */
308 switch (val) {
309 case ABSENT_NUMERIC:
310 strcpy(buf, s_absent);
311 break;
312 case CANCELLED_NUMERIC:
313 strcpy(buf, s_cancel);
314 break;
315 default:
316 sprintf(buf, "%d", val);
317 break;
321 static void
322 dump_string(char *val, char *buf)
323 /* display the value of a string capability */
325 if (val == ABSENT_STRING)
326 strcpy(buf, s_absent);
327 else if (val == CANCELLED_STRING)
328 strcpy(buf, s_cancel);
329 else {
330 sprintf(buf, "'%.*s'", MAX_STRING - 3, TIC_EXPAND(val));
334 static void
335 compare_predicate(int type, int idx, const char *name)
336 /* predicate function to use for entry difference reports */
338 register ENTRY *e1 = &entries[0];
339 register ENTRY *e2 = &entries[1];
340 char buf1[MAX_STRING], buf2[MAX_STRING];
341 int b1, b2;
342 int n1, n2;
343 char *s1, *s2;
345 switch (type) {
346 case CMP_BOOLEAN:
347 b1 = e1->tterm.Booleans[idx];
348 b2 = e2->tterm.Booleans[idx];
349 switch (compare) {
350 case C_DIFFERENCE:
351 if (!(b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) && b1 != b2)
352 (void) printf("\t%s: %s%s%s.\n",
353 name,
354 dump_boolean(b1),
355 bool_sep,
356 dump_boolean(b2));
357 break;
359 case C_COMMON:
360 if (b1 == b2 && b1 != ABSENT_BOOLEAN)
361 (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
362 break;
364 case C_NAND:
365 if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN)
366 (void) printf("\t!%s.\n", name);
367 break;
369 break;
371 case CMP_NUMBER:
372 n1 = e1->tterm.Numbers[idx];
373 n2 = e2->tterm.Numbers[idx];
374 dump_numeric(n1, buf1);
375 dump_numeric(n2, buf2);
376 switch (compare) {
377 case C_DIFFERENCE:
378 if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2)
379 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
380 break;
382 case C_COMMON:
383 if (n1 != ABSENT_NUMERIC && n2 != ABSENT_NUMERIC && n1 == n2)
384 (void) printf("\t%s= %s.\n", name, buf1);
385 break;
387 case C_NAND:
388 if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)
389 (void) printf("\t!%s.\n", name);
390 break;
392 break;
394 case CMP_STRING:
395 s1 = e1->tterm.Strings[idx];
396 s2 = e2->tterm.Strings[idx];
397 switch (compare) {
398 case C_DIFFERENCE:
399 if (capcmp(idx, s1, s2)) {
400 dump_string(s1, buf1);
401 dump_string(s2, buf2);
402 if (strcmp(buf1, buf2))
403 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
405 break;
407 case C_COMMON:
408 if (s1 && s2 && !capcmp(idx, s1, s2))
409 (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
410 break;
412 case C_NAND:
413 if (!s1 && !s2)
414 (void) printf("\t!%s.\n", name);
415 break;
417 break;
419 case CMP_USE:
420 /* unlike the other modes, this compares *all* use entries */
421 switch (compare) {
422 case C_DIFFERENCE:
423 if (!useeq(e1, e2)) {
424 (void) fputs("\tuse: ", stdout);
425 print_uses(e1, stdout);
426 fputs(", ", stdout);
427 print_uses(e2, stdout);
428 fputs(".\n", stdout);
430 break;
432 case C_COMMON:
433 if (e1->nuses && e2->nuses && useeq(e1, e2)) {
434 (void) fputs("\tuse: ", stdout);
435 print_uses(e1, stdout);
436 fputs(".\n", stdout);
438 break;
440 case C_NAND:
441 if (!e1->nuses && !e2->nuses)
442 (void) printf("\t!use.\n");
443 break;
448 /***************************************************************************
450 * Init string analysis
452 ***************************************************************************/
454 typedef struct {
455 const char *from;
456 const char *to;
457 } assoc;
459 static const assoc std_caps[] =
461 /* these are specified by X.364 and iBCS2 */
462 {"\033c", "RIS"}, /* full reset */
463 {"\0337", "SC"}, /* save cursor */
464 {"\0338", "RC"}, /* restore cursor */
465 {"\033[r", "RSR"}, /* not an X.364 mnemonic */
466 {"\033[m", "SGR0"}, /* not an X.364 mnemonic */
467 {"\033[2J", "ED2"}, /* clear page */
469 /* this group is specified by ISO 2022 */
470 {"\033(0", "ISO DEC G0"}, /* enable DEC graphics for G0 */
471 {"\033(A", "ISO UK G0"}, /* enable UK chars for G0 */
472 {"\033(B", "ISO US G0"}, /* enable US chars for G0 */
473 {"\033)0", "ISO DEC G1"}, /* enable DEC graphics for G1 */
474 {"\033)A", "ISO UK G1"}, /* enable UK chars for G1 */
475 {"\033)B", "ISO US G1"}, /* enable US chars for G1 */
477 /* these are DEC private modes widely supported by emulators */
478 {"\033=", "DECPAM"}, /* application keypad mode */
479 {"\033>", "DECPNM"}, /* normal keypad mode */
480 {"\033<", "DECANSI"}, /* enter ANSI mode */
482 {(char *) 0, (char *) 0}
485 static const assoc private_modes[] =
486 /* DEC \E[ ... [hl] modes recognized by many emulators */
488 {"1", "CKM"}, /* application cursor keys */
489 {"2", "ANM"}, /* set VT52 mode */
490 {"3", "COLM"}, /* 132-column mode */
491 {"4", "SCLM"}, /* smooth scroll */
492 {"5", "SCNM"}, /* reverse video mode */
493 {"6", "OM"}, /* origin mode */
494 {"7", "AWM"}, /* wraparound mode */
495 {"8", "ARM"}, /* auto-repeat mode */
496 {(char *) 0, (char *) 0}
499 static const assoc ecma_highlights[] =
500 /* recognize ECMA attribute sequences */
502 {"0", "NORMAL"}, /* normal */
503 {"1", "+BOLD"}, /* bold on */
504 {"2", "+DIM"}, /* dim on */
505 {"3", "+ITALIC"}, /* italic on */
506 {"4", "+UNDERLINE"}, /* underline on */
507 {"5", "+BLINK"}, /* blink on */
508 {"6", "+FASTBLINK"}, /* fastblink on */
509 {"7", "+REVERSE"}, /* reverse on */
510 {"8", "+INVISIBLE"}, /* invisible on */
511 {"9", "+DELETED"}, /* deleted on */
512 {"10", "MAIN-FONT"}, /* select primary font */
513 {"11", "ALT-FONT-1"}, /* select alternate font 1 */
514 {"12", "ALT-FONT-2"}, /* select alternate font 2 */
515 {"13", "ALT-FONT-3"}, /* select alternate font 3 */
516 {"14", "ALT-FONT-4"}, /* select alternate font 4 */
517 {"15", "ALT-FONT-5"}, /* select alternate font 5 */
518 {"16", "ALT-FONT-6"}, /* select alternate font 6 */
519 {"17", "ALT-FONT-7"}, /* select alternate font 7 */
520 {"18", "ALT-FONT-1"}, /* select alternate font 1 */
521 {"19", "ALT-FONT-1"}, /* select alternate font 1 */
522 {"20", "FRAKTUR"}, /* Fraktur font */
523 {"21", "DOUBLEUNDER"}, /* double underline */
524 {"22", "-DIM"}, /* dim off */
525 {"23", "-ITALIC"}, /* italic off */
526 {"24", "-UNDERLINE"}, /* underline off */
527 {"25", "-BLINK"}, /* blink off */
528 {"26", "-FASTBLINK"}, /* fastblink off */
529 {"27", "-REVERSE"}, /* reverse off */
530 {"28", "-INVISIBLE"}, /* invisible off */
531 {"29", "-DELETED"}, /* deleted off */
532 {(char *) 0, (char *) 0}
535 static void
536 analyze_string(const char *name, const char *cap, TERMTYPE * tp)
538 char buf[MAX_TERMINFO_LENGTH];
539 char buf2[MAX_TERMINFO_LENGTH];
540 const char *sp, *ep;
541 const assoc *ap;
543 if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
544 return;
545 (void) printf("%s: ", name);
547 buf[0] = '\0';
548 for (sp = cap; *sp; sp++) {
549 int i;
550 size_t len = 0;
551 const char *expansion = 0;
553 /* first, check other capabilities in this entry */
554 for (i = 0; i < STRCOUNT; i++) {
555 char *cp = tp->Strings[i];
557 /* don't use soft-key capabilities */
558 if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
559 continue;
561 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp
562 != cap) {
563 len = strlen(cp);
564 (void) strncpy(buf2, sp, len);
565 buf2[len] = '\0';
567 if (_nc_capcmp(cp, buf2))
568 continue;
570 #define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
572 * Theoretically we just passed the test for translation
573 * (equality once the padding is stripped). However, there
574 * are a few more hoops that need to be jumped so that
575 * identical pairs of initialization and reset strings
576 * don't just refer to each other.
578 if (ISRS(name) || ISRS(strnames[i]))
579 if (cap < cp)
580 continue;
581 #undef ISRS
583 expansion = strnames[i];
584 break;
588 /* now check the standard capabilities */
589 if (!expansion)
590 for (ap = std_caps; ap->from; ap++) {
591 len = strlen(ap->from);
593 if (strncmp(ap->from, sp, len) == 0) {
594 expansion = ap->to;
595 break;
599 /* now check for private-mode sequences */
600 if (!expansion
601 && sp[0] == '\033' && sp[1] == '[' && sp[2] == '?'
602 && (len = strspn(sp + 3, "0123456789;"))
603 && ((sp[3 + len] == 'h') || (sp[3 + len] == 'l'))) {
604 char buf3[MAX_TERMINFO_LENGTH];
606 (void) strcpy(buf2, (sp[3 + len] == 'h') ? "DEC+" : "DEC-");
607 (void) strncpy(buf3, sp + 3, len);
608 len += 4;
609 buf3[len] = '\0';
611 ep = strtok(buf3, ";");
612 do {
613 bool found = FALSE;
615 for (ap = private_modes; ap->from; ap++) {
616 size_t tlen = strlen(ap->from);
618 if (strncmp(ap->from, ep, tlen) == 0) {
619 (void) strcat(buf2, ap->to);
620 found = TRUE;
621 break;
625 if (!found)
626 (void) strcat(buf2, ep);
627 (void) strcat(buf2, ";");
628 } while
629 ((ep = strtok((char *) 0, ";")));
630 buf2[strlen(buf2) - 1] = '\0';
631 expansion = buf2;
634 /* now check for ECMA highlight sequences */
635 if (!expansion
636 && sp[0] == '\033' && sp[1] == '['
637 && (len = strspn(sp + 2, "0123456789;"))
638 && sp[2 + len] == 'm') {
639 char buf3[MAX_TERMINFO_LENGTH];
641 (void) strcpy(buf2, "SGR:");
642 (void) strncpy(buf3, sp + 2, len);
643 len += 3;
644 buf3[len] = '\0';
646 ep = strtok(buf3, ";");
647 do {
648 bool found = FALSE;
650 for (ap = ecma_highlights; ap->from; ap++) {
651 size_t tlen = strlen(ap->from);
653 if (strncmp(ap->from, ep, tlen) == 0) {
654 (void) strcat(buf2, ap->to);
655 found = TRUE;
656 break;
660 if (!found)
661 (void) strcat(buf2, ep);
662 (void) strcat(buf2, ";");
663 } while
664 ((ep = strtok((char *) 0, ";")));
666 buf2[strlen(buf2) - 1] = '\0';
667 expansion = buf2;
669 /* now check for scroll region reset */
670 if (!expansion) {
671 (void) sprintf(buf2, "\033[1;%dr", tp->Numbers[2]);
672 len = strlen(buf2);
673 if (strncmp(buf2, sp, len) == 0)
674 expansion = "RSR";
677 /* now check for home-down */
678 if (!expansion) {
679 (void) sprintf(buf2, "\033[%d;1H", tp->Numbers[2]);
680 len = strlen(buf2);
681 if (strncmp(buf2, sp, len) == 0)
682 expansion = "LL";
685 /* now look at the expansion we got, if any */
686 if (expansion) {
687 (void) sprintf(buf + strlen(buf), "{%s}", expansion);
688 sp += len - 1;
689 continue;
690 } else {
691 /* couldn't match anything */
692 buf2[0] = *sp;
693 buf2[1] = '\0';
694 (void) strcat(buf, TIC_EXPAND(buf2));
697 (void) printf("%s\n", buf);
700 /***************************************************************************
702 * File comparison
704 ***************************************************************************/
706 static void
707 file_comparison(int argc, char *argv[])
709 #define MAXCOMPARE 2
710 /* someday we may allow comparisons on more files */
711 int filecount = 0;
712 ENTRY *heads[MAXCOMPARE];
713 ENTRY *qp, *rp;
714 int i, n;
716 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
718 for (n = 0; n < argc && n < MAXCOMPARE; n++) {
719 if (freopen(argv[n], "r", stdin) == 0)
720 _nc_err_abort("Can't open %s", argv[n]);
722 _nc_head = _nc_tail = 0;
724 /* parse entries out of the source file */
725 _nc_set_source(argv[n]);
726 _nc_read_entry_source(stdin, NULL, TRUE, FALSE, NULLHOOK);
728 if (itrace)
729 (void) fprintf(stderr, "Resolving file %d...\n", n - 0);
731 /* maybe do use resolution */
732 if (!_nc_resolve_uses(!limited)) {
733 (void) fprintf(stderr,
734 "There are unresolved use entries in %s:\n",
735 argv[n]);
736 for_entry_list(qp) {
737 if (qp->nuses) {
738 (void) fputs(qp->tterm.term_names, stderr);
739 (void) fputc('\n', stderr);
742 ExitProgram(EXIT_FAILURE);
745 heads[filecount] = _nc_head;
746 filecount++;
749 /* OK, all entries are in core. Ready to do the comparison */
750 if (itrace)
751 (void) fprintf(stderr, "Entries are now in core...\n");
753 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */
754 for (qp = heads[0]; qp; qp = qp->next) {
755 for (rp = heads[1]; rp; rp = rp->next)
756 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
757 if (qp->ncrosslinks < MAX_CROSSLINKS)
758 qp->crosslinks[qp->ncrosslinks] = rp;
759 qp->ncrosslinks++;
761 if (rp->ncrosslinks < MAX_CROSSLINKS)
762 rp->crosslinks[rp->ncrosslinks] = qp;
763 rp->ncrosslinks++;
767 /* now we have two circular lists with crosslinks */
768 if (itrace)
769 (void) fprintf(stderr, "Name matches are done...\n");
771 for (qp = heads[0]; qp; qp = qp->next) {
772 if (qp->ncrosslinks > 1) {
773 (void) fprintf(stderr,
774 "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
775 _nc_first_name(qp->tterm.term_names),
776 argv[0],
777 qp->ncrosslinks,
778 argv[1]);
779 for (i = 0; i < qp->ncrosslinks; i++)
780 (void) fprintf(stderr,
781 "\t%s\n",
782 _nc_first_name((qp->crosslinks[i])->tterm.term_names));
786 for (rp = heads[1]; rp; rp = rp->next) {
787 if (rp->ncrosslinks > 1) {
788 (void) fprintf(stderr,
789 "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
790 _nc_first_name(rp->tterm.term_names),
791 argv[1],
792 rp->ncrosslinks,
793 argv[0]);
794 for (i = 0; i < rp->ncrosslinks; i++)
795 (void) fprintf(stderr,
796 "\t%s\n",
797 _nc_first_name((rp->crosslinks[i])->tterm.term_names));
801 (void) printf("In file 1 (%s) only:\n", argv[0]);
802 for (qp = heads[0]; qp; qp = qp->next)
803 if (qp->ncrosslinks == 0)
804 (void) printf("\t%s\n",
805 _nc_first_name(qp->tterm.term_names));
807 (void) printf("In file 2 (%s) only:\n", argv[1]);
808 for (rp = heads[1]; rp; rp = rp->next)
809 if (rp->ncrosslinks == 0)
810 (void) printf("\t%s\n",
811 _nc_first_name(rp->tterm.term_names));
813 (void) printf("The following entries are equivalent:\n");
814 for (qp = heads[0]; qp; qp = qp->next) {
815 rp = qp->crosslinks[0];
817 if (qp->ncrosslinks == 1) {
818 rp = qp->crosslinks[0];
820 repair_acsc(&qp->tterm);
821 repair_acsc(&rp->tterm);
822 #if NCURSES_XNAMES
823 _nc_align_termtype(&qp->tterm, &rp->tterm);
824 #endif
825 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) {
826 char name1[NAMESIZE], name2[NAMESIZE];
828 (void) canonical_name(qp->tterm.term_names, name1);
829 (void) canonical_name(rp->tterm.term_names, name2);
831 (void) printf("%s = %s\n", name1, name2);
836 (void) printf("Differing entries:\n");
837 termcount = 2;
838 for (qp = heads[0]; qp; qp = qp->next) {
840 if (qp->ncrosslinks == 1) {
841 rp = qp->crosslinks[0];
842 #if NCURSES_XNAMES
843 /* sorry - we have to do this on each pass */
844 _nc_align_termtype(&qp->tterm, &rp->tterm);
845 #endif
846 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
847 char name1[NAMESIZE], name2[NAMESIZE];
849 entries[0] = *qp;
850 entries[1] = *rp;
852 (void) canonical_name(qp->tterm.term_names, name1);
853 (void) canonical_name(rp->tterm.term_names, name2);
855 switch (compare) {
856 case C_DIFFERENCE:
857 if (itrace)
858 (void) fprintf(stderr,
859 "infocmp: dumping differences\n");
860 (void) printf("comparing %s to %s.\n", name1, name2);
861 compare_entry(compare_predicate, &entries->tterm, quiet);
862 break;
864 case C_COMMON:
865 if (itrace)
866 (void) fprintf(stderr,
867 "infocmp: dumping common capabilities\n");
868 (void) printf("comparing %s to %s.\n", name1, name2);
869 compare_entry(compare_predicate, &entries->tterm, quiet);
870 break;
872 case C_NAND:
873 if (itrace)
874 (void) fprintf(stderr,
875 "infocmp: dumping differences\n");
876 (void) printf("comparing %s to %s.\n", name1, name2);
877 compare_entry(compare_predicate, &entries->tterm, quiet);
878 break;
886 static void
887 usage(void)
889 static const char *tbl[] =
891 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
893 ,"Options:"
894 ," -1 print single-column"
895 ," -C use termcap-names"
896 ," -F compare terminfo-files"
897 ," -I use terminfo-names"
898 ," -L use long names"
899 ," -R subset (see manpage)"
900 ," -T eliminate size limits (test)"
901 ," -V print version"
902 #if NCURSES_XNAMES
903 ," -a with -F, list commented-out caps"
904 #endif
905 ," -c list common capabilities"
906 ," -d list different capabilities"
907 ," -e format output for C initializer"
908 ," -E format output as C tables"
909 ," -f with -1, format complex strings"
910 ," -G format %{number} to %'char'"
911 ," -g format %'char' to %{number}"
912 ," -i analyze initialization/reset"
913 ," -l output terminfo names"
914 ," -n list capabilities in neither"
915 ," -p ignore padding specifiers"
916 ," -q brief listing, removes headers"
917 ," -r with -C, output in termcap form"
918 ," -r with -F, resolve use-references"
919 ," -s [d|i|l|c] sort fields"
920 #if NCURSES_XNAMES
921 ," -t suppress commented-out capabilities"
922 #endif
923 ," -u produce source with 'use='"
924 ," -v number (verbose)"
925 ," -w number (width)"
927 const size_t first = 3;
928 const size_t last = SIZEOF(tbl);
929 const size_t left = (last - first + 1) / 2 + first;
930 size_t n;
932 for (n = 0; n < left; n++) {
933 size_t m = (n < first) ? last : n + left - first;
934 if (m < last)
935 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
936 else
937 fprintf(stderr, "%s\n", tbl[n]);
939 ExitProgram(EXIT_FAILURE);
942 static char *
943 any_initializer(const char *fmt, const char *type)
945 static char *initializer;
946 char *s;
948 if (initializer == 0)
949 initializer = (char *) malloc(strlen(entries->tterm.term_names) +
950 strlen(type) + strlen(fmt));
952 (void) strcpy(initializer, entries->tterm.term_names);
953 for (s = initializer; *s != 0 && *s != '|'; s++) {
954 if (!isalnum(UChar(*s)))
955 *s = '_';
957 *s = 0;
958 (void) sprintf(s, fmt, type);
959 return initializer;
962 static char *
963 name_initializer(const char *type)
965 return any_initializer("_%s_data", type);
968 static char *
969 string_variable(const char *type)
971 return any_initializer("_s_%s", type);
974 /* dump C initializers for the terminal type */
975 static void
976 dump_initializers(TERMTYPE * term)
978 unsigned n;
979 int size;
980 const char *str = 0;
982 printf("\nstatic char %s[] = \"%s\";\n\n",
983 name_initializer("alias"), entries->tterm.term_names);
985 for_each_string(n, term) {
986 char buf[MAX_STRING], *sp, *tp;
988 if (VALID_STRING(term->Strings[n])) {
989 tp = buf;
990 *tp++ = '"';
991 for (sp = term->Strings[n];
992 *sp != 0 && (tp - buf) < MAX_STRING - 6;
993 sp++) {
994 if (isascii(UChar(*sp))
995 && isprint(UChar(*sp))
996 && *sp != '\\'
997 && *sp != '"')
998 *tp++ = *sp;
999 else {
1000 (void) sprintf(tp, "\\%03o", UChar(*sp));
1001 tp += 4;
1004 *tp++ = '"';
1005 *tp = '\0';
1006 size += (strlen(term->Strings[n]) + 1);
1007 (void) printf("static char %-20s[] = %s;\n",
1008 string_variable(ExtStrname(term, n, strnames)), buf);
1011 printf("\n");
1013 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL);
1015 for_each_boolean(n, term) {
1016 switch ((int) (term->Booleans[n])) {
1017 case TRUE:
1018 str = "TRUE";
1019 break;
1021 case FALSE:
1022 str = "FALSE";
1023 break;
1025 case ABSENT_BOOLEAN:
1026 str = "ABSENT_BOOLEAN";
1027 break;
1029 case CANCELLED_BOOLEAN:
1030 str = "CANCELLED_BOOLEAN";
1031 break;
1033 (void) printf("\t/* %3d: %-8s */\t%s,\n",
1034 n, ExtBoolname(term, n, boolnames), str);
1036 (void) printf("%s;\n", R_CURL);
1038 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL);
1040 for_each_number(n, term) {
1041 char buf[BUFSIZ];
1042 switch (term->Numbers[n]) {
1043 case ABSENT_NUMERIC:
1044 str = "ABSENT_NUMERIC";
1045 break;
1046 case CANCELLED_NUMERIC:
1047 str = "CANCELLED_NUMERIC";
1048 break;
1049 default:
1050 sprintf(buf, "%d", term->Numbers[n]);
1051 str = buf;
1052 break;
1054 (void) printf("\t/* %3d: %-8s */\t%s,\n", n,
1055 ExtNumname(term, n, numnames), str);
1057 (void) printf("%s;\n", R_CURL);
1059 size = sizeof(TERMTYPE)
1060 + (NUM_BOOLEANS(term) * sizeof(term->Booleans[0]))
1061 + (NUM_NUMBERS(term) * sizeof(term->Numbers[0]));
1063 (void) printf("static char * %s[] = %s\n", name_initializer("string"), L_CURL);
1065 for_each_string(n, term) {
1067 if (term->Strings[n] == ABSENT_STRING)
1068 str = "ABSENT_STRING";
1069 else if (term->Strings[n] == CANCELLED_STRING)
1070 str = "CANCELLED_STRING";
1071 else {
1072 str = string_variable(ExtStrname(term, n, strnames));
1074 (void) printf("\t/* %3d: %-8s */\t%s,\n", n,
1075 ExtStrname(term, n, strnames), str);
1077 (void) printf("%s;\n", R_CURL);
1079 #if NCURSES_XNAMES
1080 if ((NUM_BOOLEANS(term) != BOOLCOUNT)
1081 || (NUM_NUMBERS(term) != NUMCOUNT)
1082 || (NUM_STRINGS(term) != STRCOUNT)) {
1083 (void) printf("static char * %s[] = %s\n",
1084 name_initializer("string_ext"), L_CURL);
1085 for (n = BOOLCOUNT; n < NUM_BOOLEANS(term); ++n) {
1086 (void) printf("\t/* %3d: bool */\t\"%s\",\n",
1087 n, ExtBoolname(term, n, boolnames));
1089 for (n = NUMCOUNT; n < NUM_NUMBERS(term); ++n) {
1090 (void) printf("\t/* %3d: num */\t\"%s\",\n",
1091 n, ExtNumname(term, n, numnames));
1093 for (n = STRCOUNT; n < NUM_STRINGS(term); ++n) {
1094 (void) printf("\t/* %3d: str */\t\"%s\",\n",
1095 n, ExtStrname(term, n, strnames));
1097 (void) printf("%s;\n", R_CURL);
1099 #endif
1102 /* dump C initializers for the terminal type */
1103 static void
1104 dump_termtype(TERMTYPE * term)
1106 (void) printf("\t%s\n\t\t%s,\n", L_CURL, name_initializer("alias"));
1107 (void) printf("\t\t(char *)0,\t/* pointer to string table */\n");
1109 (void) printf("\t\t%s,\n", name_initializer("bool"));
1110 (void) printf("\t\t%s,\n", name_initializer("number"));
1112 (void) printf("\t\t%s,\n", name_initializer("string"));
1114 #if NCURSES_XNAMES
1115 (void) printf("#if NCURSES_XNAMES\n");
1116 (void) printf("\t\t(char *)0,\t/* pointer to extended string table */\n");
1117 (void) printf("\t\t%s,\t/* ...corresponding names */\n",
1118 ((NUM_BOOLEANS(term) != BOOLCOUNT)
1119 || (NUM_NUMBERS(term) != NUMCOUNT)
1120 || (NUM_STRINGS(term) != STRCOUNT))
1121 ? name_initializer("string_ext")
1122 : "(char **)0");
1124 (void) printf("\t\t%d,\t\t/* count total Booleans */\n", NUM_BOOLEANS(term));
1125 (void) printf("\t\t%d,\t\t/* count total Numbers */\n", NUM_NUMBERS(term));
1126 (void) printf("\t\t%d,\t\t/* count total Strings */\n", NUM_STRINGS(term));
1128 (void) printf("\t\t%d,\t\t/* count extensions to Booleans */\n",
1129 NUM_BOOLEANS(term) - BOOLCOUNT);
1130 (void) printf("\t\t%d,\t\t/* count extensions to Numbers */\n",
1131 NUM_NUMBERS(term) - NUMCOUNT);
1132 (void) printf("\t\t%d,\t\t/* count extensions to Strings */\n",
1133 NUM_STRINGS(term) - STRCOUNT);
1135 (void) printf("#endif /* NCURSES_XNAMES */\n");
1136 #endif /* NCURSES_XNAMES */
1137 (void) printf("\t%s\n", R_CURL);
1140 static int
1141 optarg_to_number(void)
1143 char *temp = 0;
1144 long value = strtol(optarg, &temp, 0);
1146 if (temp == 0 || temp == optarg || *temp != 0) {
1147 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
1148 ExitProgram(EXIT_FAILURE);
1150 return (int) value;
1153 static char *
1154 terminal_env(void)
1156 char *terminal;
1158 if ((terminal = getenv("TERM")) == 0) {
1159 (void) fprintf(stderr,
1160 "infocmp: environment variable TERM not set\n");
1161 exit(EXIT_FAILURE);
1163 return terminal;
1166 /***************************************************************************
1168 * Main sequence
1170 ***************************************************************************/
1173 main(int argc, char *argv[])
1175 char *firstdir, *restdir;
1176 /* Avoid "local data >32k" error with mwcc */
1177 /* Also avoid overflowing smaller stacks on systems like AmigaOS */
1178 path *tfile = (path *) malloc(sizeof(path) * MAXTERMS);
1179 int c, i, len;
1180 bool formatted = FALSE;
1181 bool filecompare = FALSE;
1182 int initdump = 0;
1183 bool init_analyze = FALSE;
1184 bool suppress_untranslatable = FALSE;
1186 /* where is the terminfo database location going to default to? */
1187 restdir = firstdir = 0;
1189 while ((c = getopt(argc,
1190 argv,
1191 "1A:aB:CcdEeFfGgIiLlnpqR:rs:TtuVv:w:")) != EOF)
1192 switch (c) {
1193 case '1':
1194 mwidth = 0;
1195 break;
1197 case 'A':
1198 firstdir = optarg;
1199 break;
1201 #if NCURSES_XNAMES
1202 case 'a':
1203 _nc_disable_period = TRUE;
1204 use_extended_names(TRUE);
1205 break;
1206 #endif
1207 case 'B':
1208 restdir = optarg;
1209 break;
1211 case 'C':
1212 outform = F_TERMCAP;
1213 tversion = "BSD";
1214 if (sortmode == S_DEFAULT)
1215 sortmode = S_TERMCAP;
1216 break;
1218 case 'c':
1219 compare = C_COMMON;
1220 break;
1222 case 'd':
1223 compare = C_DIFFERENCE;
1224 break;
1226 case 'E':
1227 initdump |= 2;
1228 break;
1230 case 'e':
1231 initdump |= 1;
1232 break;
1234 case 'F':
1235 filecompare = TRUE;
1236 break;
1238 case 'f':
1239 formatted = TRUE;
1240 break;
1242 case 'G':
1243 numbers = 1;
1244 break;
1246 case 'g':
1247 numbers = -1;
1248 break;
1250 case 'I':
1251 outform = F_TERMINFO;
1252 if (sortmode == S_DEFAULT)
1253 sortmode = S_VARIABLE;
1254 tversion = 0;
1255 break;
1257 case 'i':
1258 init_analyze = TRUE;
1259 break;
1261 case 'L':
1262 outform = F_VARIABLE;
1263 if (sortmode == S_DEFAULT)
1264 sortmode = S_VARIABLE;
1265 break;
1267 case 'l':
1268 outform = F_TERMINFO;
1269 break;
1271 case 'n':
1272 compare = C_NAND;
1273 break;
1275 case 'p':
1276 ignorepads = TRUE;
1277 break;
1279 case 'q':
1280 quiet = TRUE;
1281 s_absent = "-";
1282 s_cancel = "@";
1283 bool_sep = ", ";
1284 break;
1286 case 'R':
1287 tversion = optarg;
1288 break;
1290 case 'r':
1291 tversion = 0;
1292 limited = FALSE;
1293 break;
1295 case 's':
1296 if (*optarg == 'd')
1297 sortmode = S_NOSORT;
1298 else if (*optarg == 'i')
1299 sortmode = S_TERMINFO;
1300 else if (*optarg == 'l')
1301 sortmode = S_VARIABLE;
1302 else if (*optarg == 'c')
1303 sortmode = S_TERMCAP;
1304 else {
1305 (void) fprintf(stderr,
1306 "infocmp: unknown sort mode\n");
1307 return EXIT_FAILURE;
1309 break;
1311 case 'T':
1312 limited = FALSE;
1313 break;
1315 #if NCURSES_XNAMES
1316 case 't':
1317 _nc_disable_period = FALSE;
1318 suppress_untranslatable = TRUE;
1319 break;
1320 #endif
1322 case 'u':
1323 compare = C_USEALL;
1324 break;
1326 case 'V':
1327 puts(curses_version());
1328 ExitProgram(EXIT_SUCCESS);
1330 case 'v':
1331 itrace = optarg_to_number();
1332 set_trace_level(itrace);
1333 break;
1335 case 'w':
1336 mwidth = optarg_to_number();
1337 break;
1339 default:
1340 usage();
1343 /* by default, sort by terminfo name */
1344 if (sortmode == S_DEFAULT)
1345 sortmode = S_TERMINFO;
1347 /* set up for display */
1348 dump_init(tversion, outform, sortmode, mwidth, itrace, formatted);
1350 /* make sure we have at least one terminal name to work with */
1351 if (optind >= argc)
1352 argv[argc++] = terminal_env();
1354 /* if user is after a comparison, make sure we have two entries */
1355 if (compare != C_DEFAULT && optind >= argc - 1)
1356 argv[argc++] = terminal_env();
1358 /* exactly two terminal names with no options means do -d */
1359 if (argc - optind == 2 && compare == C_DEFAULT)
1360 compare = C_DIFFERENCE;
1362 if (!filecompare) {
1363 /* grab the entries */
1364 termcount = 0;
1365 for (; optind < argc; optind++) {
1366 if (termcount >= MAXTERMS) {
1367 (void) fprintf(stderr,
1368 "infocmp: too many terminal type arguments\n");
1369 return EXIT_FAILURE;
1370 } else {
1371 const char *directory = termcount ? restdir : firstdir;
1372 int status;
1374 tname[termcount] = argv[optind];
1376 if (directory) {
1377 (void) sprintf(tfile[termcount], "%s/%c/%s",
1378 directory,
1379 *argv[optind], argv[optind]);
1380 if (itrace)
1381 (void) fprintf(stderr,
1382 "infocmp: reading entry %s from file %s\n",
1383 argv[optind], tfile[termcount]);
1385 status = _nc_read_file_entry(tfile[termcount],
1386 &entries[termcount].tterm);
1387 } else {
1388 if (itrace)
1389 (void) fprintf(stderr,
1390 "infocmp: reading entry %s from system directories %s\n",
1391 argv[optind], tname[termcount]);
1393 status = _nc_read_entry(tname[termcount],
1394 tfile[termcount],
1395 &entries[termcount].tterm);
1396 directory = TERMINFO; /* for error message */
1399 if (status <= 0) {
1400 (void) fprintf(stderr,
1401 "infocmp: couldn't open terminfo file %s.\n",
1402 tfile[termcount]);
1403 return EXIT_FAILURE;
1405 repair_acsc(&entries[termcount].tterm);
1406 termcount++;
1410 #if NCURSES_XNAMES
1411 if (termcount > 1)
1412 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm);
1413 #endif
1415 /* dump as C initializer for the terminal type */
1416 if (initdump) {
1417 if (initdump & 1)
1418 dump_termtype(&entries[0].tterm);
1419 if (initdump & 2)
1420 dump_initializers(&entries[0].tterm);
1421 ExitProgram(EXIT_SUCCESS);
1424 /* analyze the init strings */
1425 if (init_analyze) {
1426 #undef CUR
1427 #define CUR entries[0].tterm.
1428 analyze_string("is1", init_1string, &entries[0].tterm);
1429 analyze_string("is2", init_2string, &entries[0].tterm);
1430 analyze_string("is3", init_3string, &entries[0].tterm);
1431 analyze_string("rs1", reset_1string, &entries[0].tterm);
1432 analyze_string("rs2", reset_2string, &entries[0].tterm);
1433 analyze_string("rs3", reset_3string, &entries[0].tterm);
1434 analyze_string("smcup", enter_ca_mode, &entries[0].tterm);
1435 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm);
1436 #undef CUR
1437 ExitProgram(EXIT_SUCCESS);
1441 * Here's where the real work gets done
1443 switch (compare) {
1444 case C_DEFAULT:
1445 if (itrace)
1446 (void) fprintf(stderr,
1447 "infocmp: about to dump %s\n",
1448 tname[0]);
1449 (void) printf("#\tReconstructed via infocmp from file: %s\n",
1450 tfile[0]);
1451 len = dump_entry(&entries[0].tterm,
1452 suppress_untranslatable,
1453 limited,
1455 numbers,
1456 NULL);
1457 putchar('\n');
1458 if (itrace)
1459 (void) fprintf(stderr, "infocmp: length %d\n", len);
1460 break;
1462 case C_DIFFERENCE:
1463 if (itrace)
1464 (void) fprintf(stderr, "infocmp: dumping differences\n");
1465 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1466 compare_entry(compare_predicate, &entries->tterm, quiet);
1467 break;
1469 case C_COMMON:
1470 if (itrace)
1471 (void) fprintf(stderr,
1472 "infocmp: dumping common capabilities\n");
1473 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1474 compare_entry(compare_predicate, &entries->tterm, quiet);
1475 break;
1477 case C_NAND:
1478 if (itrace)
1479 (void) fprintf(stderr,
1480 "infocmp: dumping differences\n");
1481 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1482 compare_entry(compare_predicate, &entries->tterm, quiet);
1483 break;
1485 case C_USEALL:
1486 if (itrace)
1487 (void) fprintf(stderr, "infocmp: dumping use entry\n");
1488 len = dump_entry(&entries[0].tterm,
1489 suppress_untranslatable,
1490 limited,
1492 numbers,
1493 use_predicate);
1494 for (i = 1; i < termcount; i++)
1495 len += dump_uses(tname[i], !(outform == F_TERMCAP
1496 || outform == F_TCONVERR));
1497 putchar('\n');
1498 if (itrace)
1499 (void) fprintf(stderr, "infocmp: length %d\n", len);
1500 break;
1502 } else if (compare == C_USEALL)
1503 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
1504 else if (compare == C_DEFAULT)
1505 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
1506 else if (argc - optind != 2)
1507 (void) fprintf(stderr,
1508 "File comparison needs exactly two file arguments.\n");
1509 else
1510 file_comparison(argc - optind, argv + optind);
1512 ExitProgram(EXIT_SUCCESS);
1515 /* infocmp.c ends here */