source: trunk/ncurses/progs/infocmp.c@ 2788

Last change on this file since 2788 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 41.7 KB
Line 
1/****************************************************************************
2 * Copyright (c) 1998-2004,2005 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 ****************************************************************************/
28
29/****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
34
35/*
36 * infocmp.c -- decompile an entry, or compare two entries
37 * written by Eric S. Raymond
38 */
39
40#include <progs.priv.h>
41
42#include <dump_entry.h>
43
44MODULE_ID("$Id: infocmp.c,v 1.79 2005/09/25 00:39:43 tom Exp $")
45
46#define L_CURL "{"
47#define R_CURL "}"
48
49#define MAXTERMS 32 /* max # terminal arguments we can handle */
50#define MAX_STRING 1024 /* maximum formatted string */
51
52const char *_nc_progname = "infocmp";
53
54typedef char path[PATH_MAX];
55
56/***************************************************************************
57 *
58 * The following control variables, together with the contents of the
59 * terminfo entries, completely determine the actions of the program.
60 *
61 ***************************************************************************/
62
63static char *tname[MAXTERMS]; /* terminal type names */
64static ENTRY entries[MAXTERMS]; /* terminfo entries */
65static int termcount; /* count of terminal entries */
66
67static bool limited = TRUE; /* "-r" option is not set */
68static bool quiet = FALSE;
69static bool literal = FALSE;
70static const char *bool_sep = ":";
71static const char *s_absent = "NULL";
72static const char *s_cancel = "NULL";
73static const char *tversion; /* terminfo version selected */
74static int itrace; /* trace flag for debugging */
75static int mwidth = 60;
76static int numbers = 0; /* format "%'char'" to/from "%{number}" */
77static int outform = F_TERMINFO; /* output format */
78static int sortmode; /* sort_mode */
79
80/* main comparison mode */
81static int compare;
82#define C_DEFAULT 0 /* don't force comparison mode */
83#define C_DIFFERENCE 1 /* list differences between two terminals */
84#define C_COMMON 2 /* list common capabilities */
85#define C_NAND 3 /* list capabilities in neither terminal */
86#define C_USEALL 4 /* generate relative use-form entry */
87static bool ignorepads; /* ignore pad prefixes when diffing */
88
89#if NO_LEAKS
90#undef ExitProgram
91static void ExitProgram(int code) GCC_NORETURN;
92/* prototype is to get gcc to accept the noreturn attribute */
93static void
94ExitProgram(int code)
95{
96 while (termcount-- > 0)
97 _nc_free_termtype(&entries[termcount].tterm);
98 _nc_leaks_dump_entry();
99 _nc_free_and_exit(code);
100}
101#endif
102
103static char *
104canonical_name(char *ptr, char *buf)
105/* extract the terminal type's primary name */
106{
107 char *bp;
108
109 (void) strcpy(buf, ptr);
110 if ((bp = strchr(buf, '|')) != 0)
111 *bp = '\0';
112
113 return (buf);
114}
115
116/***************************************************************************
117 *
118 * Predicates for dump function
119 *
120 ***************************************************************************/
121
122static int
123capcmp(PredIdx idx, const char *s, const char *t)
124/* capability comparison function */
125{
126 if (!VALID_STRING(s) && !VALID_STRING(t))
127 return (s != t);
128 else if (!VALID_STRING(s) || !VALID_STRING(t))
129 return (1);
130
131 if ((idx == acs_chars_index) || !ignorepads)
132 return (strcmp(s, t));
133 else
134 return (_nc_capcmp(s, t));
135}
136
137static int
138use_predicate(unsigned type, PredIdx idx)
139/* predicate function to use for use decompilation */
140{
141 ENTRY *ep;
142
143 switch (type) {
144 case BOOLEAN:
145 {
146 int is_set = FALSE;
147
148 /*
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'.
154 *
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.
158 */
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;
163 }
164 if (is_set != entries[0].tterm.Booleans[idx])
165 return (!is_set);
166 else
167 return (FAIL);
168 }
169
170 case NUMBER:
171 {
172 int value = ABSENT_NUMERIC;
173
174 /*
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'.
178 */
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;
183 }
184
185 if (value != entries[0].tterm.Numbers[idx])
186 return (value != ABSENT_NUMERIC);
187 else
188 return (FAIL);
189 }
190
191 case STRING:
192 {
193 char *termstr, *usestr = ABSENT_STRING;
194
195 termstr = entries[0].tterm.Strings[idx];
196
197 /*
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'.
201 */
202 for (ep = &entries[1]; ep < entries + termcount; ep++)
203 if (ep->tterm.Strings[idx]) {
204 usestr = ep->tterm.Strings[idx];
205 break;
206 }
207
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);
214 }
215 }
216
217 return (FALSE); /* pacify compiler */
218}
219
220static bool
221useeq(ENTRY * e1, ENTRY * e2)
222/* are the use references in two entries equivalent? */
223{
224 int i, j;
225
226 if (e1->nuses != e2->nuses)
227 return (FALSE);
228
229 /* Ugh...this is quadratic again */
230 for (i = 0; i < e1->nuses; i++) {
231 bool foundmatch = FALSE;
232
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;
238 }
239
240 if (!foundmatch)
241 return (FALSE);
242 }
243
244 return (TRUE);
245}
246
247static bool
248entryeq(TERMTYPE *t1, TERMTYPE *t2)
249/* are two entries equivalent? */
250{
251 unsigned i;
252
253 for (i = 0; i < NUM_BOOLEANS(t1); i++)
254 if (t1->Booleans[i] != t2->Booleans[i])
255 return (FALSE);
256
257 for (i = 0; i < NUM_NUMBERS(t1); i++)
258 if (t1->Numbers[i] != t2->Numbers[i])
259 return (FALSE);
260
261 for (i = 0; i < NUM_STRINGS(t1); i++)
262 if (capcmp((PredIdx) i, t1->Strings[i], t2->Strings[i]))
263 return (FALSE);
264
265 return (TRUE);
266}
267
268#define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers)
269
270static void
271print_uses(ENTRY * ep, FILE *fp)
272/* print an entry's use references */
273{
274 int i;
275
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);
283 }
284}
285
286static const char *
287dump_boolean(int val)
288/* display the value of a boolean capability */
289{
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 ("?");
301 }
302}
303
304static void
305dump_numeric(int val, char *buf)
306/* display the value of a boolean capability */
307{
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;
318 }
319}
320
321static void
322dump_string(char *val, char *buf)
323/* display the value of a string capability */
324{
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));
331 }
332}
333
334static void
335compare_predicate(PredType type, PredIdx idx, const char *name)
336/* predicate function to use for entry difference reports */
337{
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;
344
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;
358
359 case C_COMMON:
360 if (b1 == b2 && b1 != ABSENT_BOOLEAN)
361 (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
362 break;
363
364 case C_NAND:
365 if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN)
366 (void) printf("\t!%s.\n", name);
367 break;
368 }
369 break;
370
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;
381
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;
386
387 case C_NAND:
388 if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)
389 (void) printf("\t!%s.\n", name);
390 break;
391 }
392 break;
393
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);
404 }
405 break;
406
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;
411
412 case C_NAND:
413 if (!s1 && !s2)
414 (void) printf("\t!%s.\n", name);
415 break;
416 }
417 break;
418
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);
429 }
430 break;
431
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);
437 }
438 break;
439
440 case C_NAND:
441 if (!e1->nuses && !e2->nuses)
442 (void) printf("\t!use.\n");
443 break;
444 }
445 }
446}
447
448/***************************************************************************
449 *
450 * Init string analysis
451 *
452 ***************************************************************************/
453
454typedef struct {
455 const char *from;
456 const char *to;
457} assoc;
458
459static const assoc std_caps[] =
460{
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 */
468
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 */
476
477 /* these are DEC private controls widely supported by emulators */
478 {"\033=", "DECPAM"}, /* application keypad mode */
479 {"\033>", "DECPNM"}, /* normal keypad mode */
480 {"\033<", "DECANSI"}, /* enter ANSI mode */
481 {"\033[!p", "DECSTR"}, /* soft reset */
482 {"\033 F", "S7C1T"}, /* 7-bit controls */
483
484 {(char *) 0, (char *) 0}
485};
486
487static const assoc std_modes[] =
488/* ECMA \E[ ... [hl] modes recognized by many emulators */
489{
490 {"2", "AM"}, /* keyboard action mode */
491 {"4", "IRM"}, /* insert/replace mode */
492 {"12", "SRM"}, /* send/receive mode */
493 {"20", "LNM"}, /* linefeed mode */
494 {(char *) 0, (char *) 0}
495};
496
497static const assoc private_modes[] =
498/* DEC \E[ ... [hl] modes recognized by many emulators */
499{
500 {"1", "CKM"}, /* application cursor keys */
501 {"2", "ANM"}, /* set VT52 mode */
502 {"3", "COLM"}, /* 132-column mode */
503 {"4", "SCLM"}, /* smooth scroll */
504 {"5", "SCNM"}, /* reverse video mode */
505 {"6", "OM"}, /* origin mode */
506 {"7", "AWM"}, /* wraparound mode */
507 {"8", "ARM"}, /* auto-repeat mode */
508 {(char *) 0, (char *) 0}
509};
510
511static const assoc ecma_highlights[] =
512/* recognize ECMA attribute sequences */
513{
514 {"0", "NORMAL"}, /* normal */
515 {"1", "+BOLD"}, /* bold on */
516 {"2", "+DIM"}, /* dim on */
517 {"3", "+ITALIC"}, /* italic on */
518 {"4", "+UNDERLINE"}, /* underline on */
519 {"5", "+BLINK"}, /* blink on */
520 {"6", "+FASTBLINK"}, /* fastblink on */
521 {"7", "+REVERSE"}, /* reverse on */
522 {"8", "+INVISIBLE"}, /* invisible on */
523 {"9", "+DELETED"}, /* deleted on */
524 {"10", "MAIN-FONT"}, /* select primary font */
525 {"11", "ALT-FONT-1"}, /* select alternate font 1 */
526 {"12", "ALT-FONT-2"}, /* select alternate font 2 */
527 {"13", "ALT-FONT-3"}, /* select alternate font 3 */
528 {"14", "ALT-FONT-4"}, /* select alternate font 4 */
529 {"15", "ALT-FONT-5"}, /* select alternate font 5 */
530 {"16", "ALT-FONT-6"}, /* select alternate font 6 */
531 {"17", "ALT-FONT-7"}, /* select alternate font 7 */
532 {"18", "ALT-FONT-1"}, /* select alternate font 1 */
533 {"19", "ALT-FONT-1"}, /* select alternate font 1 */
534 {"20", "FRAKTUR"}, /* Fraktur font */
535 {"21", "DOUBLEUNDER"}, /* double underline */
536 {"22", "-DIM"}, /* dim off */
537 {"23", "-ITALIC"}, /* italic off */
538 {"24", "-UNDERLINE"}, /* underline off */
539 {"25", "-BLINK"}, /* blink off */
540 {"26", "-FASTBLINK"}, /* fastblink off */
541 {"27", "-REVERSE"}, /* reverse off */
542 {"28", "-INVISIBLE"}, /* invisible off */
543 {"29", "-DELETED"}, /* deleted off */
544 {(char *) 0, (char *) 0}
545};
546
547static int
548skip_csi(const char *cap)
549{
550 int result = 0;
551 if (cap[0] == '\033' && cap[1] == '[')
552 result = 2;
553 else if (UChar(cap[0]) == 0233)
554 result = 1;
555 return result;
556}
557
558static void
559analyze_string(const char *name, const char *cap, TERMTYPE *tp)
560{
561 char buf[MAX_TERMINFO_LENGTH];
562 char buf2[MAX_TERMINFO_LENGTH];
563 const char *sp, *ep;
564 const assoc *ap;
565 int tp_lines = tp->Numbers[2];
566
567 if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
568 return;
569 (void) printf("%s: ", name);
570
571 buf[0] = '\0';
572 for (sp = cap; *sp; sp++) {
573 int i;
574 int csi;
575 size_t len = 0;
576 const char *expansion = 0;
577
578 /* first, check other capabilities in this entry */
579 for (i = 0; i < STRCOUNT; i++) {
580 char *cp = tp->Strings[i];
581
582 /* don't use soft-key capabilities */
583 if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
584 continue;
585
586 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp
587 != cap) {
588 len = strlen(cp);
589 (void) strncpy(buf2, sp, len);
590 buf2[len] = '\0';
591
592 if (_nc_capcmp(cp, buf2))
593 continue;
594
595#define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
596 /*
597 * Theoretically we just passed the test for translation
598 * (equality once the padding is stripped). However, there
599 * are a few more hoops that need to be jumped so that
600 * identical pairs of initialization and reset strings
601 * don't just refer to each other.
602 */
603 if (ISRS(name) || ISRS(strnames[i]))
604 if (cap < cp)
605 continue;
606#undef ISRS
607
608 expansion = strnames[i];
609 break;
610 }
611 }
612
613 /* now check the standard capabilities */
614 if (!expansion) {
615 csi = skip_csi(sp);
616 for (ap = std_caps; ap->from; ap++) {
617 size_t adj = csi ? 2 : 0;
618
619 len = strlen(ap->from);
620 if (len > adj
621 && strncmp(ap->from + adj, sp + csi, len - adj) == 0) {
622 expansion = ap->to;
623 len -= adj;
624 len += csi;
625 break;
626 }
627 }
628 }
629
630 /* now check for standard-mode sequences */
631 if (!expansion
632 && (csi = skip_csi(sp)) != 0
633 && (len = strspn(sp + csi, "0123456789;"))
634 && ((sp[csi + len] == 'h') || (sp[csi + len] == 'l'))) {
635 char buf3[MAX_TERMINFO_LENGTH];
636
637 (void) strcpy(buf2, (sp[csi + len] == 'h') ? "ECMA+" : "ECMA-");
638 (void) strncpy(buf3, sp + csi, len);
639 len += csi + 1;
640 buf3[len] = '\0';
641
642 ep = strtok(buf3, ";");
643 do {
644 bool found = FALSE;
645
646 for (ap = std_modes; ap->from; ap++) {
647 size_t tlen = strlen(ap->from);
648
649 if (strncmp(ap->from, ep, tlen) == 0) {
650 (void) strcat(buf2, ap->to);
651 found = TRUE;
652 break;
653 }
654 }
655
656 if (!found)
657 (void) strcat(buf2, ep);
658 (void) strcat(buf2, ";");
659 } while
660 ((ep = strtok((char *) 0, ";")));
661 buf2[strlen(buf2) - 1] = '\0';
662 expansion = buf2;
663 }
664
665 /* now check for private-mode sequences */
666 if (!expansion
667 && (csi = skip_csi(sp)) != 0
668 && sp[csi] == '?'
669 && (len = strspn(sp + csi + 1, "0123456789;"))
670 && ((sp[csi + 1 + len] == 'h') || (sp[csi + 1 + len] == 'l'))) {
671 char buf3[MAX_TERMINFO_LENGTH];
672
673 (void) strcpy(buf2, (sp[csi + 1 + len] == 'h') ? "DEC+" : "DEC-");
674 (void) strncpy(buf3, sp + csi + 1, len);
675 len += csi + 2;
676 buf3[len] = '\0';
677
678 ep = strtok(buf3, ";");
679 do {
680 bool found = FALSE;
681
682 for (ap = private_modes; ap->from; ap++) {
683 size_t tlen = strlen(ap->from);
684
685 if (strncmp(ap->from, ep, tlen) == 0) {
686 (void) strcat(buf2, ap->to);
687 found = TRUE;
688 break;
689 }
690 }
691
692 if (!found)
693 (void) strcat(buf2, ep);
694 (void) strcat(buf2, ";");
695 } while
696 ((ep = strtok((char *) 0, ";")));
697 buf2[strlen(buf2) - 1] = '\0';
698 expansion = buf2;
699 }
700
701 /* now check for ECMA highlight sequences */
702 if (!expansion
703 && (csi = skip_csi(sp)) != 0
704 && (len = strspn(sp + csi, "0123456789;")) != 0
705 && sp[csi + len] == 'm') {
706 char buf3[MAX_TERMINFO_LENGTH];
707
708 (void) strcpy(buf2, "SGR:");
709 (void) strncpy(buf3, sp + csi, len);
710 len += csi + 1;
711 buf3[len] = '\0';
712
713 ep = strtok(buf3, ";");
714 do {
715 bool found = FALSE;
716
717 for (ap = ecma_highlights; ap->from; ap++) {
718 size_t tlen = strlen(ap->from);
719
720 if (strncmp(ap->from, ep, tlen) == 0) {
721 (void) strcat(buf2, ap->to);
722 found = TRUE;
723 break;
724 }
725 }
726
727 if (!found)
728 (void) strcat(buf2, ep);
729 (void) strcat(buf2, ";");
730 } while
731 ((ep = strtok((char *) 0, ";")));
732
733 buf2[strlen(buf2) - 1] = '\0';
734 expansion = buf2;
735 }
736
737 if (!expansion
738 && (csi = skip_csi(sp)) != 0
739 && sp[csi] == 'm') {
740 len = csi + 1;
741 (void) strcpy(buf2, "SGR:");
742 strcat(buf2, ecma_highlights[0].to);
743 expansion = buf2;
744 }
745
746 /* now check for scroll region reset */
747 if (!expansion
748 && (csi = skip_csi(sp)) != 0) {
749 if (sp[csi] == 'r') {
750 expansion = "RSR";
751 len = 1;
752 } else {
753 (void) sprintf(buf2, "1;%dr", tp_lines);
754 len = strlen(buf2);
755 if (strncmp(buf2, sp + csi, len) == 0)
756 expansion = "RSR";
757 }
758 len += csi;
759 }
760
761 /* now check for home-down */
762 if (!expansion
763 && (csi = skip_csi(sp)) != 0) {
764 (void) sprintf(buf2, "%d;1H", tp_lines);
765 len = strlen(buf2);
766 if (strncmp(buf2, sp + csi, len) == 0) {
767 expansion = "LL";
768 } else {
769 (void) sprintf(buf2, "%dH", tp_lines);
770 len = strlen(buf2);
771 if (strncmp(buf2, sp + csi, len) == 0) {
772 expansion = "LL";
773 }
774 }
775 len += csi;
776 }
777
778 /* now look at the expansion we got, if any */
779 if (expansion) {
780 (void) sprintf(buf + strlen(buf), "{%s}", expansion);
781 sp += len - 1;
782 continue;
783 } else {
784 /* couldn't match anything */
785 buf2[0] = *sp;
786 buf2[1] = '\0';
787 (void) strcat(buf, TIC_EXPAND(buf2));
788 }
789 }
790 (void) printf("%s\n", buf);
791}
792
793/***************************************************************************
794 *
795 * File comparison
796 *
797 ***************************************************************************/
798
799static void
800file_comparison(int argc, char *argv[])
801{
802#define MAXCOMPARE 2
803 /* someday we may allow comparisons on more files */
804 int filecount = 0;
805 ENTRY *heads[MAXCOMPARE];
806 ENTRY *qp, *rp;
807 int i, n;
808
809 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
810
811 for (n = 0; n < argc && n < MAXCOMPARE; n++) {
812 if (freopen(argv[n], "r", stdin) == 0)
813 _nc_err_abort("Can't open %s", argv[n]);
814
815 _nc_head = _nc_tail = 0;
816
817 /* parse entries out of the source file */
818 _nc_set_source(argv[n]);
819 _nc_read_entry_source(stdin, NULL, TRUE, literal, NULLHOOK);
820
821 if (itrace)
822 (void) fprintf(stderr, "Resolving file %d...\n", n - 0);
823
824 /* maybe do use resolution */
825 if (!_nc_resolve_uses2(!limited, literal)) {
826 (void) fprintf(stderr,
827 "There are unresolved use entries in %s:\n",
828 argv[n]);
829 for_entry_list(qp) {
830 if (qp->nuses) {
831 (void) fputs(qp->tterm.term_names, stderr);
832 (void) fputc('\n', stderr);
833 }
834 }
835 ExitProgram(EXIT_FAILURE);
836 }
837
838 heads[filecount] = _nc_head;
839 filecount++;
840 }
841
842 /* OK, all entries are in core. Ready to do the comparison */
843 if (itrace)
844 (void) fprintf(stderr, "Entries are now in core...\n");
845
846 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */
847 for (qp = heads[0]; qp; qp = qp->next) {
848 for (rp = heads[1]; rp; rp = rp->next)
849 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
850 if (qp->ncrosslinks < MAX_CROSSLINKS)
851 qp->crosslinks[qp->ncrosslinks] = rp;
852 qp->ncrosslinks++;
853
854 if (rp->ncrosslinks < MAX_CROSSLINKS)
855 rp->crosslinks[rp->ncrosslinks] = qp;
856 rp->ncrosslinks++;
857 }
858 }
859
860 /* now we have two circular lists with crosslinks */
861 if (itrace)
862 (void) fprintf(stderr, "Name matches are done...\n");
863
864 for (qp = heads[0]; qp; qp = qp->next) {
865 if (qp->ncrosslinks > 1) {
866 (void) fprintf(stderr,
867 "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
868 _nc_first_name(qp->tterm.term_names),
869 argv[0],
870 qp->ncrosslinks,
871 argv[1]);
872 for (i = 0; i < qp->ncrosslinks; i++)
873 (void) fprintf(stderr,
874 "\t%s\n",
875 _nc_first_name((qp->crosslinks[i])->tterm.term_names));
876 }
877 }
878
879 for (rp = heads[1]; rp; rp = rp->next) {
880 if (rp->ncrosslinks > 1) {
881 (void) fprintf(stderr,
882 "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
883 _nc_first_name(rp->tterm.term_names),
884 argv[1],
885 rp->ncrosslinks,
886 argv[0]);
887 for (i = 0; i < rp->ncrosslinks; i++)
888 (void) fprintf(stderr,
889 "\t%s\n",
890 _nc_first_name((rp->crosslinks[i])->tterm.term_names));
891 }
892 }
893
894 (void) printf("In file 1 (%s) only:\n", argv[0]);
895 for (qp = heads[0]; qp; qp = qp->next)
896 if (qp->ncrosslinks == 0)
897 (void) printf("\t%s\n",
898 _nc_first_name(qp->tterm.term_names));
899
900 (void) printf("In file 2 (%s) only:\n", argv[1]);
901 for (rp = heads[1]; rp; rp = rp->next)
902 if (rp->ncrosslinks == 0)
903 (void) printf("\t%s\n",
904 _nc_first_name(rp->tterm.term_names));
905
906 (void) printf("The following entries are equivalent:\n");
907 for (qp = heads[0]; qp; qp = qp->next) {
908 rp = qp->crosslinks[0];
909
910 if (qp->ncrosslinks == 1) {
911 rp = qp->crosslinks[0];
912
913 repair_acsc(&qp->tterm);
914 repair_acsc(&rp->tterm);
915#if NCURSES_XNAMES
916 _nc_align_termtype(&qp->tterm, &rp->tterm);
917#endif
918 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) {
919 char name1[NAMESIZE], name2[NAMESIZE];
920
921 (void) canonical_name(qp->tterm.term_names, name1);
922 (void) canonical_name(rp->tterm.term_names, name2);
923
924 (void) printf("%s = %s\n", name1, name2);
925 }
926 }
927 }
928
929 (void) printf("Differing entries:\n");
930 termcount = 2;
931 for (qp = heads[0]; qp; qp = qp->next) {
932
933 if (qp->ncrosslinks == 1) {
934 rp = qp->crosslinks[0];
935#if NCURSES_XNAMES
936 /* sorry - we have to do this on each pass */
937 _nc_align_termtype(&qp->tterm, &rp->tterm);
938#endif
939 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
940 char name1[NAMESIZE], name2[NAMESIZE];
941
942 entries[0] = *qp;
943 entries[1] = *rp;
944
945 (void) canonical_name(qp->tterm.term_names, name1);
946 (void) canonical_name(rp->tterm.term_names, name2);
947
948 switch (compare) {
949 case C_DIFFERENCE:
950 if (itrace)
951 (void) fprintf(stderr,
952 "infocmp: dumping differences\n");
953 (void) printf("comparing %s to %s.\n", name1, name2);
954 compare_entry(compare_predicate, &entries->tterm, quiet);
955 break;
956
957 case C_COMMON:
958 if (itrace)
959 (void) fprintf(stderr,
960 "infocmp: dumping common capabilities\n");
961 (void) printf("comparing %s to %s.\n", name1, name2);
962 compare_entry(compare_predicate, &entries->tterm, quiet);
963 break;
964
965 case C_NAND:
966 if (itrace)
967 (void) fprintf(stderr,
968 "infocmp: dumping differences\n");
969 (void) printf("comparing %s to %s.\n", name1, name2);
970 compare_entry(compare_predicate, &entries->tterm, quiet);
971 break;
972
973 }
974 }
975 }
976 }
977}
978
979static void
980usage(void)
981{
982 static const char *tbl[] =
983 {
984 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
985 ,""
986 ,"Options:"
987 ," -1 print single-column"
988 ," -C use termcap-names"
989 ," -F compare terminfo-files"
990 ," -I use terminfo-names"
991 ," -L use long names"
992 ," -R subset (see manpage)"
993 ," -T eliminate size limits (test)"
994 ," -U eliminate post-processing of entries"
995 ," -V print version"
996#if NCURSES_XNAMES
997 ," -a with -F, list commented-out caps"
998#endif
999 ," -c list common capabilities"
1000 ," -d list different capabilities"
1001 ," -e format output for C initializer"
1002 ," -E format output as C tables"
1003 ," -f with -1, format complex strings"
1004 ," -G format %{number} to %'char'"
1005 ," -g format %'char' to %{number}"
1006 ," -i analyze initialization/reset"
1007 ," -l output terminfo names"
1008 ," -n list capabilities in neither"
1009 ," -p ignore padding specifiers"
1010 ," -q brief listing, removes headers"
1011 ," -r with -C, output in termcap form"
1012 ," -r with -F, resolve use-references"
1013 ," -s [d|i|l|c] sort fields"
1014#if NCURSES_XNAMES
1015 ," -t suppress commented-out capabilities"
1016#endif
1017 ," -u produce source with 'use='"
1018 ," -v number (verbose)"
1019 ," -w number (width)"
1020#if NCURSES_XNAMES
1021 ," -x treat unknown capabilities as user-defined"
1022#endif
1023 };
1024 const size_t first = 3;
1025 const size_t last = SIZEOF(tbl);
1026 const size_t left = (last - first + 1) / 2 + first;
1027 size_t n;
1028
1029 for (n = 0; n < left; n++) {
1030 size_t m = (n < first) ? last : n + left - first;
1031 if (m < last)
1032 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
1033 else
1034 fprintf(stderr, "%s\n", tbl[n]);
1035 }
1036 ExitProgram(EXIT_FAILURE);
1037}
1038
1039static char *
1040any_initializer(const char *fmt, const char *type)
1041{
1042 static char *initializer;
1043 char *s;
1044
1045 if (initializer == 0)
1046 initializer = (char *) malloc(strlen(entries->tterm.term_names) +
1047 strlen(type) + strlen(fmt));
1048
1049 (void) strcpy(initializer, entries->tterm.term_names);
1050 for (s = initializer; *s != 0 && *s != '|'; s++) {
1051 if (!isalnum(UChar(*s)))
1052 *s = '_';
1053 }
1054 *s = 0;
1055 (void) sprintf(s, fmt, type);
1056 return initializer;
1057}
1058
1059static char *
1060name_initializer(const char *type)
1061{
1062 return any_initializer("_%s_data", type);
1063}
1064
1065static char *
1066string_variable(const char *type)
1067{
1068 return any_initializer("_s_%s", type);
1069}
1070
1071/* dump C initializers for the terminal type */
1072static void
1073dump_initializers(TERMTYPE *term)
1074{
1075 unsigned n;
1076 int size;
1077 const char *str = 0;
1078
1079 printf("\nstatic char %s[] = \"%s\";\n\n",
1080 name_initializer("alias"), entries->tterm.term_names);
1081
1082 for_each_string(n, term) {
1083 char buf[MAX_STRING], *sp, *tp;
1084
1085 if (VALID_STRING(term->Strings[n])) {
1086 tp = buf;
1087 *tp++ = '"';
1088 for (sp = term->Strings[n];
1089 *sp != 0 && (tp - buf) < MAX_STRING - 6;
1090 sp++) {
1091 if (isascii(UChar(*sp))
1092 && isprint(UChar(*sp))
1093 && *sp != '\\'
1094 && *sp != '"')
1095 *tp++ = *sp;
1096 else {
1097 (void) sprintf(tp, "\\%03o", UChar(*sp));
1098 tp += 4;
1099 }
1100 }
1101 *tp++ = '"';
1102 *tp = '\0';
1103 size += (strlen(term->Strings[n]) + 1);
1104 (void) printf("static char %-20s[] = %s;\n",
1105 string_variable(ExtStrname(term, n, strnames)), buf);
1106 }
1107 }
1108 printf("\n");
1109
1110 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL);
1111
1112 for_each_boolean(n, term) {
1113 switch ((int) (term->Booleans[n])) {
1114 case TRUE:
1115 str = "TRUE";
1116 break;
1117
1118 case FALSE:
1119 str = "FALSE";
1120 break;
1121
1122 case ABSENT_BOOLEAN:
1123 str = "ABSENT_BOOLEAN";
1124 break;
1125
1126 case CANCELLED_BOOLEAN:
1127 str = "CANCELLED_BOOLEAN";
1128 break;
1129 }
1130 (void) printf("\t/* %3u: %-8s */\t%s,\n",
1131 n, ExtBoolname(term, n, boolnames), str);
1132 }
1133 (void) printf("%s;\n", R_CURL);
1134
1135 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL);
1136
1137 for_each_number(n, term) {
1138 char buf[BUFSIZ];
1139 switch (term->Numbers[n]) {
1140 case ABSENT_NUMERIC:
1141 str = "ABSENT_NUMERIC";
1142 break;
1143 case CANCELLED_NUMERIC:
1144 str = "CANCELLED_NUMERIC";
1145 break;
1146 default:
1147 sprintf(buf, "%d", term->Numbers[n]);
1148 str = buf;
1149 break;
1150 }
1151 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1152 ExtNumname(term, n, numnames), str);
1153 }
1154 (void) printf("%s;\n", R_CURL);
1155
1156 size = (sizeof(TERMTYPE)
1157 + (NUM_BOOLEANS(term) * sizeof(term->Booleans[0]))
1158 + (NUM_NUMBERS(term) * sizeof(term->Numbers[0])));
1159
1160 (void) printf("static char * %s[] = %s\n", name_initializer("string"), L_CURL);
1161
1162 for_each_string(n, term) {
1163
1164 if (term->Strings[n] == ABSENT_STRING)
1165 str = "ABSENT_STRING";
1166 else if (term->Strings[n] == CANCELLED_STRING)
1167 str = "CANCELLED_STRING";
1168 else {
1169 str = string_variable(ExtStrname(term, n, strnames));
1170 }
1171 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1172 ExtStrname(term, n, strnames), str);
1173 }
1174 (void) printf("%s;\n", R_CURL);
1175
1176#if NCURSES_XNAMES
1177 if ((NUM_BOOLEANS(term) != BOOLCOUNT)
1178 || (NUM_NUMBERS(term) != NUMCOUNT)
1179 || (NUM_STRINGS(term) != STRCOUNT)) {
1180 (void) printf("static char * %s[] = %s\n",
1181 name_initializer("string_ext"), L_CURL);
1182 for (n = BOOLCOUNT; n < NUM_BOOLEANS(term); ++n) {
1183 (void) printf("\t/* %3u: bool */\t\"%s\",\n",
1184 n, ExtBoolname(term, n, boolnames));
1185 }
1186 for (n = NUMCOUNT; n < NUM_NUMBERS(term); ++n) {
1187 (void) printf("\t/* %3u: num */\t\"%s\",\n",
1188 n, ExtNumname(term, n, numnames));
1189 }
1190 for (n = STRCOUNT; n < NUM_STRINGS(term); ++n) {
1191 (void) printf("\t/* %3u: str */\t\"%s\",\n",
1192 n, ExtStrname(term, n, strnames));
1193 }
1194 (void) printf("%s;\n", R_CURL);
1195 }
1196#endif
1197}
1198
1199/* dump C initializers for the terminal type */
1200static void
1201dump_termtype(TERMTYPE *term)
1202{
1203 (void) printf("\t%s\n\t\t%s,\n", L_CURL, name_initializer("alias"));
1204 (void) printf("\t\t(char *)0,\t/* pointer to string table */\n");
1205
1206 (void) printf("\t\t%s,\n", name_initializer("bool"));
1207 (void) printf("\t\t%s,\n", name_initializer("number"));
1208
1209 (void) printf("\t\t%s,\n", name_initializer("string"));
1210
1211#if NCURSES_XNAMES
1212 (void) printf("#if NCURSES_XNAMES\n");
1213 (void) printf("\t\t(char *)0,\t/* pointer to extended string table */\n");
1214 (void) printf("\t\t%s,\t/* ...corresponding names */\n",
1215 ((NUM_BOOLEANS(term) != BOOLCOUNT)
1216 || (NUM_NUMBERS(term) != NUMCOUNT)
1217 || (NUM_STRINGS(term) != STRCOUNT))
1218 ? name_initializer("string_ext")
1219 : "(char **)0");
1220
1221 (void) printf("\t\t%d,\t\t/* count total Booleans */\n", NUM_BOOLEANS(term));
1222 (void) printf("\t\t%d,\t\t/* count total Numbers */\n", NUM_NUMBERS(term));
1223 (void) printf("\t\t%d,\t\t/* count total Strings */\n", NUM_STRINGS(term));
1224
1225 (void) printf("\t\t%d,\t\t/* count extensions to Booleans */\n",
1226 NUM_BOOLEANS(term) - BOOLCOUNT);
1227 (void) printf("\t\t%d,\t\t/* count extensions to Numbers */\n",
1228 NUM_NUMBERS(term) - NUMCOUNT);
1229 (void) printf("\t\t%d,\t\t/* count extensions to Strings */\n",
1230 NUM_STRINGS(term) - STRCOUNT);
1231
1232 (void) printf("#endif /* NCURSES_XNAMES */\n");
1233#endif /* NCURSES_XNAMES */
1234 (void) printf("\t%s\n", R_CURL);
1235}
1236
1237static int
1238optarg_to_number(void)
1239{
1240 char *temp = 0;
1241 long value = strtol(optarg, &temp, 0);
1242
1243 if (temp == 0 || temp == optarg || *temp != 0) {
1244 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
1245 ExitProgram(EXIT_FAILURE);
1246 }
1247 return (int) value;
1248}
1249
1250static char *
1251terminal_env(void)
1252{
1253 char *terminal;
1254
1255 if ((terminal = getenv("TERM")) == 0) {
1256 (void) fprintf(stderr,
1257 "infocmp: environment variable TERM not set\n");
1258 exit(EXIT_FAILURE);
1259 }
1260 return terminal;
1261}
1262
1263/***************************************************************************
1264 *
1265 * Main sequence
1266 *
1267 ***************************************************************************/
1268
1269int
1270main(int argc, char *argv[])
1271{
1272 char *firstdir, *restdir;
1273 /* Avoid "local data >32k" error with mwcc */
1274 /* Also avoid overflowing smaller stacks on systems like AmigaOS */
1275 path *tfile = (path *) malloc(sizeof(path) * MAXTERMS);
1276 int c, i, len;
1277 bool formatted = FALSE;
1278 bool filecompare = FALSE;
1279 int initdump = 0;
1280 bool init_analyze = FALSE;
1281 bool suppress_untranslatable = FALSE;
1282
1283 /* where is the terminfo database location going to default to? */
1284 restdir = firstdir = 0;
1285
1286#if NCURSES_XNAMES
1287 use_extended_names(FALSE);
1288#endif
1289
1290 while ((c = getopt(argc,
1291 argv,
1292 "1A:aB:CcdEeFfGgIiLlnpqR:rs:TtUuVv:w:x")) != EOF)
1293 switch (c) {
1294 case '1':
1295 mwidth = 0;
1296 break;
1297
1298 case 'A':
1299 firstdir = optarg;
1300 break;
1301
1302#if NCURSES_XNAMES
1303 case 'a':
1304 _nc_disable_period = TRUE;
1305 use_extended_names(TRUE);
1306 break;
1307#endif
1308 case 'B':
1309 restdir = optarg;
1310 break;
1311
1312 case 'C':
1313 outform = F_TERMCAP;
1314 tversion = "BSD";
1315 if (sortmode == S_DEFAULT)
1316 sortmode = S_TERMCAP;
1317 break;
1318
1319 case 'c':
1320 compare = C_COMMON;
1321 break;
1322
1323 case 'd':
1324 compare = C_DIFFERENCE;
1325 break;
1326
1327 case 'E':
1328 initdump |= 2;
1329 break;
1330
1331 case 'e':
1332 initdump |= 1;
1333 break;
1334
1335 case 'F':
1336 filecompare = TRUE;
1337 break;
1338
1339 case 'f':
1340 formatted = TRUE;
1341 break;
1342
1343 case 'G':
1344 numbers = 1;
1345 break;
1346
1347 case 'g':
1348 numbers = -1;
1349 break;
1350
1351 case 'I':
1352 outform = F_TERMINFO;
1353 if (sortmode == S_DEFAULT)
1354 sortmode = S_VARIABLE;
1355 tversion = 0;
1356 break;
1357
1358 case 'i':
1359 init_analyze = TRUE;
1360 break;
1361
1362 case 'L':
1363 outform = F_VARIABLE;
1364 if (sortmode == S_DEFAULT)
1365 sortmode = S_VARIABLE;
1366 break;
1367
1368 case 'l':
1369 outform = F_TERMINFO;
1370 break;
1371
1372 case 'n':
1373 compare = C_NAND;
1374 break;
1375
1376 case 'p':
1377 ignorepads = TRUE;
1378 break;
1379
1380 case 'q':
1381 quiet = TRUE;
1382 s_absent = "-";
1383 s_cancel = "@";
1384 bool_sep = ", ";
1385 break;
1386
1387 case 'R':
1388 tversion = optarg;
1389 break;
1390
1391 case 'r':
1392 tversion = 0;
1393 limited = FALSE;
1394 break;
1395
1396 case 's':
1397 if (*optarg == 'd')
1398 sortmode = S_NOSORT;
1399 else if (*optarg == 'i')
1400 sortmode = S_TERMINFO;
1401 else if (*optarg == 'l')
1402 sortmode = S_VARIABLE;
1403 else if (*optarg == 'c')
1404 sortmode = S_TERMCAP;
1405 else {
1406 (void) fprintf(stderr,
1407 "infocmp: unknown sort mode\n");
1408 return EXIT_FAILURE;
1409 }
1410 break;
1411
1412 case 'T':
1413 limited = FALSE;
1414 break;
1415
1416#if NCURSES_XNAMES
1417 case 't':
1418 _nc_disable_period = FALSE;
1419 suppress_untranslatable = TRUE;
1420 break;
1421#endif
1422
1423 case 'U':
1424 literal = TRUE;
1425 break;
1426
1427 case 'u':
1428 compare = C_USEALL;
1429 break;
1430
1431 case 'V':
1432 puts(curses_version());
1433 ExitProgram(EXIT_SUCCESS);
1434
1435 case 'v':
1436 itrace = optarg_to_number();
1437 set_trace_level(itrace);
1438 break;
1439
1440 case 'w':
1441 mwidth = optarg_to_number();
1442 break;
1443
1444#if NCURSES_XNAMES
1445 case 'x':
1446 use_extended_names(TRUE);
1447 break;
1448#endif
1449
1450 default:
1451 usage();
1452 }
1453
1454 /* by default, sort by terminfo name */
1455 if (sortmode == S_DEFAULT)
1456 sortmode = S_TERMINFO;
1457
1458 /* set up for display */
1459 dump_init(tversion, outform, sortmode, mwidth, itrace, formatted);
1460
1461 /* make sure we have at least one terminal name to work with */
1462 if (optind >= argc)
1463 argv[argc++] = terminal_env();
1464
1465 /* if user is after a comparison, make sure we have two entries */
1466 if (compare != C_DEFAULT && optind >= argc - 1)
1467 argv[argc++] = terminal_env();
1468
1469 /* exactly two terminal names with no options means do -d */
1470 if (argc - optind == 2 && compare == C_DEFAULT)
1471 compare = C_DIFFERENCE;
1472
1473 if (!filecompare) {
1474 /* grab the entries */
1475 termcount = 0;
1476 for (; optind < argc; optind++) {
1477 if (termcount >= MAXTERMS) {
1478 (void) fprintf(stderr,
1479 "infocmp: too many terminal type arguments\n");
1480 return EXIT_FAILURE;
1481 } else {
1482 const char *directory = termcount ? restdir : firstdir;
1483 int status;
1484
1485 tname[termcount] = argv[optind];
1486
1487 if (directory) {
1488 (void) sprintf(tfile[termcount], "%s/%c/%s",
1489 directory,
1490 *argv[optind], argv[optind]);
1491 if (itrace)
1492 (void) fprintf(stderr,
1493 "infocmp: reading entry %s from file %s\n",
1494 argv[optind], tfile[termcount]);
1495
1496 status = _nc_read_file_entry(tfile[termcount],
1497 &entries[termcount].tterm);
1498 } else {
1499 if (itrace)
1500 (void) fprintf(stderr,
1501 "infocmp: reading entry %s from system directories %s\n",
1502 argv[optind], tname[termcount]);
1503
1504 status = _nc_read_entry(tname[termcount],
1505 tfile[termcount],
1506 &entries[termcount].tterm);
1507 directory = TERMINFO; /* for error message */
1508 }
1509
1510 if (status <= 0) {
1511 (void) fprintf(stderr,
1512 "infocmp: couldn't open terminfo file %s.\n",
1513 tfile[termcount]);
1514 return EXIT_FAILURE;
1515 }
1516 repair_acsc(&entries[termcount].tterm);
1517 termcount++;
1518 }
1519 }
1520
1521#if NCURSES_XNAMES
1522 if (termcount > 1)
1523 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm);
1524#endif
1525
1526 /* dump as C initializer for the terminal type */
1527 if (initdump) {
1528 if (initdump & 1)
1529 dump_termtype(&entries[0].tterm);
1530 if (initdump & 2)
1531 dump_initializers(&entries[0].tterm);
1532 ExitProgram(EXIT_SUCCESS);
1533 }
1534
1535 /* analyze the init strings */
1536 if (init_analyze) {
1537#undef CUR
1538#define CUR entries[0].tterm.
1539 analyze_string("is1", init_1string, &entries[0].tterm);
1540 analyze_string("is2", init_2string, &entries[0].tterm);
1541 analyze_string("is3", init_3string, &entries[0].tterm);
1542 analyze_string("rs1", reset_1string, &entries[0].tterm);
1543 analyze_string("rs2", reset_2string, &entries[0].tterm);
1544 analyze_string("rs3", reset_3string, &entries[0].tterm);
1545 analyze_string("smcup", enter_ca_mode, &entries[0].tterm);
1546 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm);
1547#undef CUR
1548 ExitProgram(EXIT_SUCCESS);
1549 }
1550
1551 /*
1552 * Here's where the real work gets done
1553 */
1554 switch (compare) {
1555 case C_DEFAULT:
1556 if (itrace)
1557 (void) fprintf(stderr,
1558 "infocmp: about to dump %s\n",
1559 tname[0]);
1560 (void) printf("#\tReconstructed via infocmp from file: %s\n",
1561 tfile[0]);
1562 len = dump_entry(&entries[0].tterm,
1563 suppress_untranslatable,
1564 limited,
1565 0,
1566 numbers,
1567 NULL);
1568 putchar('\n');
1569 if (itrace)
1570 (void) fprintf(stderr, "infocmp: length %d\n", len);
1571 break;
1572
1573 case C_DIFFERENCE:
1574 if (itrace)
1575 (void) fprintf(stderr, "infocmp: dumping differences\n");
1576 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1577 compare_entry(compare_predicate, &entries->tterm, quiet);
1578 break;
1579
1580 case C_COMMON:
1581 if (itrace)
1582 (void) fprintf(stderr,
1583 "infocmp: dumping common capabilities\n");
1584 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1585 compare_entry(compare_predicate, &entries->tterm, quiet);
1586 break;
1587
1588 case C_NAND:
1589 if (itrace)
1590 (void) fprintf(stderr,
1591 "infocmp: dumping differences\n");
1592 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1593 compare_entry(compare_predicate, &entries->tterm, quiet);
1594 break;
1595
1596 case C_USEALL:
1597 if (itrace)
1598 (void) fprintf(stderr, "infocmp: dumping use entry\n");
1599 len = dump_entry(&entries[0].tterm,
1600 suppress_untranslatable,
1601 limited,
1602 0,
1603 numbers,
1604 use_predicate);
1605 for (i = 1; i < termcount; i++)
1606 len += dump_uses(tname[i], !(outform == F_TERMCAP
1607 || outform == F_TCONVERR));
1608 putchar('\n');
1609 if (itrace)
1610 (void) fprintf(stderr, "infocmp: length %d\n", len);
1611 break;
1612 }
1613 } else if (compare == C_USEALL)
1614 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
1615 else if (compare == C_DEFAULT)
1616 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
1617 else if (argc - optind != 2)
1618 (void) fprintf(stderr,
1619 "File comparison needs exactly two file arguments.\n");
1620 else
1621 file_comparison(argc - optind, argv + optind);
1622
1623 ExitProgram(EXIT_SUCCESS);
1624}
1625
1626/* infocmp.c ends here */
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