1 /****************************************************************************
2 * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
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: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
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. *
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 *
27 ****************************************************************************/
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 ****************************************************************************/
36 * infocmp.c -- decompile an entry, or compare two entries
37 * written by Eric S. Raymond
41 #include <progs.priv.h>
43 #include <dump_entry.h>
45 MODULE_ID("$Id: infocmp.c,v 1.105 2010/05/01 22:04:08 tom Exp $")
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 ENTRY *entries; /* terminfo entries */
64 static int termcount; /* count of terminal entries */
66 static bool limited = TRUE; /* "-r" option is not set */
67 static bool quiet = FALSE;
68 static bool literal = 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 */
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 */
90 static void ExitProgram(int code) GCC_NORETURN;
91 /* prototype is to get gcc to accept the noreturn attribute */
95 while (termcount-- > 0)
96 _nc_free_termtype(&entries[termcount].tterm);
97 _nc_leaks_dump_entry();
104 canonical_name(char *ptr, char *buf)
105 /* extract the terminal type's primary name */
109 (void) strcpy(buf, ptr);
110 if ((bp = strchr(buf, '|')) != 0)
116 /***************************************************************************
118 * Predicates for dump function
120 ***************************************************************************/
123 capcmp(PredIdx idx, const char *s, const char *t)
124 /* capability comparison function */
126 if (!VALID_STRING(s) && !VALID_STRING(t))
128 else if (!VALID_STRING(s) || !VALID_STRING(t))
131 if ((idx == acs_chars_index) || !ignorepads)
132 return (strcmp(s, t));
134 return (_nc_capcmp(s, t));
138 use_predicate(unsigned type, PredIdx idx)
139 /* predicate function to use for use decompilation */
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];
164 if (is_set != entries[0].tterm.Booleans[idx])
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];
185 if (value != entries[0].tterm.Numbers[idx])
186 return (value != ABSENT_NUMERIC);
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];
208 if (usestr == ABSENT_STRING && termstr == ABSENT_STRING)
210 else if (!usestr || !termstr || capcmp(idx, usestr, termstr))
217 return (FALSE); /* pacify compiler */
221 useeq(ENTRY * e1, ENTRY * e2)
222 /* are the use references in two entries equivalent? */
226 if (e1->nuses != e2->nuses)
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)) {
248 entryeq(TERMTYPE *t1, TERMTYPE *t2)
249 /* are two entries equivalent? */
253 for (i = 0; i < NUM_BOOLEANS(t1); i++)
254 if (t1->Booleans[i] != t2->Booleans[i])
257 for (i = 0; i < NUM_NUMBERS(t1); i++)
258 if (t1->Numbers[i] != t2->Numbers[i])
261 for (i = 0; i < NUM_STRINGS(t1); i++)
262 if (capcmp((PredIdx) i, t1->Strings[i], t2->Strings[i]))
268 #define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers)
271 print_uses(ENTRY * ep, FILE *fp)
272 /* print an entry's use references */
279 for (i = 0; i < ep->nuses; i++) {
280 fputs(ep->uses[i].name, fp);
281 if (i < ep->nuses - 1)
287 dump_boolean(int val)
288 /* display the value of a boolean capability */
293 case CANCELLED_BOOLEAN:
305 dump_numeric(int val, char *buf)
306 /* display the value of a boolean capability */
310 strcpy(buf, s_absent);
312 case CANCELLED_NUMERIC:
313 strcpy(buf, s_cancel);
316 sprintf(buf, "%d", val);
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);
330 sprintf(buf, "'%.*s'", MAX_STRING - 3, TIC_EXPAND(val));
335 compare_predicate(PredType type, PredIdx 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];
347 b1 = e1->tterm.Booleans[idx];
348 b2 = e2->tterm.Booleans[idx];
351 if (!(b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) && b1 != b2)
352 (void) printf("\t%s: %s%s%s.\n",
360 if (b1 == b2 && b1 != ABSENT_BOOLEAN)
361 (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
365 if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN)
366 (void) printf("\t!%s.\n", name);
372 n1 = e1->tterm.Numbers[idx];
373 n2 = e2->tterm.Numbers[idx];
374 dump_numeric(n1, buf1);
375 dump_numeric(n2, buf2);
378 if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2)
379 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
383 if (n1 != ABSENT_NUMERIC && n2 != ABSENT_NUMERIC && n1 == n2)
384 (void) printf("\t%s= %s.\n", name, buf1);
388 if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)
389 (void) printf("\t!%s.\n", name);
395 s1 = e1->tterm.Strings[idx];
396 s2 = e2->tterm.Strings[idx];
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);
408 if (s1 && s2 && !capcmp(idx, s1, s2))
409 (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
414 (void) printf("\t!%s.\n", name);
420 /* unlike the other modes, this compares *all* use entries */
423 if (!useeq(e1, e2)) {
424 (void) fputs("\tuse: ", stdout);
425 print_uses(e1, stdout);
427 print_uses(e2, stdout);
428 fputs(".\n", stdout);
433 if (e1->nuses && e2->nuses && useeq(e1, e2)) {
434 (void) fputs("\tuse: ", stdout);
435 print_uses(e1, stdout);
436 fputs(".\n", stdout);
441 if (!e1->nuses && !e2->nuses)
442 (void) printf("\t!use.\n");
448 /***************************************************************************
450 * Init string analysis
452 ***************************************************************************/
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 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 */
484 {(char *) 0, (char *) 0}
487 static const assoc std_modes[] =
488 /* ECMA \E[ ... [hl] modes recognized by many emulators */
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}
497 static const assoc private_modes[] =
498 /* DEC \E[ ... [hl] modes recognized by many emulators */
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}
511 static const assoc ecma_highlights[] =
512 /* recognize ECMA attribute sequences */
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}
548 skip_csi(const char *cap)
551 if (cap[0] == '\033' && cap[1] == '[')
553 else if (UChar(cap[0]) == 0233)
559 same_param(const char *table, const char *param, unsigned length)
562 if (strncmp(table, param, length) == 0) {
563 result = !isdigit(UChar(param[length]));
569 lookup_params(const assoc * table, char *dst, char *src)
572 const char *ep = strtok(src, ";");
580 for (ap = table; ap->from; ap++) {
581 size_t tlen = strlen(ap->from);
583 if (same_param(ap->from, ep, tlen)) {
584 (void) strcat(dst, ap->to);
591 (void) strcat(dst, ep);
592 (void) strcat(dst, ";");
594 ((ep = strtok((char *) 0, ";")));
596 dst[strlen(dst) - 1] = '\0';
604 analyze_string(const char *name, const char *cap, TERMTYPE *tp)
606 char buf2[MAX_TERMINFO_LENGTH];
609 int tp_lines = tp->Numbers[2];
611 if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
613 (void) printf("%s: ", name);
615 for (sp = cap; *sp; sp++) {
620 const char *expansion = 0;
621 char buf3[MAX_TERMINFO_LENGTH];
623 /* first, check other capabilities in this entry */
624 for (i = 0; i < STRCOUNT; i++) {
625 char *cp = tp->Strings[i];
627 /* don't use soft-key capabilities */
628 if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
631 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp
634 (void) strncpy(buf2, sp, len);
637 if (_nc_capcmp(cp, buf2))
640 #define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
642 * Theoretically we just passed the test for translation
643 * (equality once the padding is stripped). However, there
644 * are a few more hoops that need to be jumped so that
645 * identical pairs of initialization and reset strings
646 * don't just refer to each other.
648 if (ISRS(name) || ISRS(strnames[i]))
653 expansion = strnames[i];
658 /* now check the standard capabilities */
661 for (ap = std_caps; ap->from; ap++) {
662 size_t adj = (size_t) (csi ? 2 : 0);
664 len = strlen(ap->from);
665 if (csi && skip_csi(ap->from) != csi)
668 && strncmp(ap->from + adj, sp + csi, len - adj) == 0) {
677 /* now check for standard-mode sequences */
679 && (csi = skip_csi(sp)) != 0
680 && (len = strspn(sp + csi, "0123456789;"))
681 && (len < sizeof(buf3))
682 && (next = (size_t) csi + len)
683 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
685 (void) strcpy(buf2, (sp[next] == 'h') ? "ECMA+" : "ECMA-");
686 (void) strncpy(buf3, sp + csi, len);
688 len += (size_t) csi + 1;
690 expansion = lookup_params(std_modes, buf2, buf3);
693 /* now check for private-mode sequences */
695 && (csi = skip_csi(sp)) != 0
697 && (len = strspn(sp + csi + 1, "0123456789;"))
698 && (len < sizeof(buf3))
699 && (next = (size_t) csi + 1 + len)
700 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
702 (void) strcpy(buf2, (sp[next] == 'h') ? "DEC+" : "DEC-");
703 (void) strncpy(buf3, sp + csi + 1, len);
705 len += (size_t) csi + 2;
707 expansion = lookup_params(private_modes, buf2, buf3);
710 /* now check for ECMA highlight sequences */
712 && (csi = skip_csi(sp)) != 0
713 && (len = strspn(sp + csi, "0123456789;")) != 0
714 && (len < sizeof(buf3))
715 && (next = (size_t) csi + len)
716 && sp[next] == 'm') {
718 (void) strcpy(buf2, "SGR:");
719 (void) strncpy(buf3, sp + csi, len);
721 len += (size_t) csi + 1;
723 expansion = lookup_params(ecma_highlights, buf2, buf3);
727 && (csi = skip_csi(sp)) != 0
729 len = (size_t) csi + 1;
730 (void) strcpy(buf2, "SGR:");
731 strcat(buf2, ecma_highlights[0].to);
735 /* now check for scroll region reset */
737 && (csi = skip_csi(sp)) != 0) {
738 if (sp[csi] == 'r') {
742 (void) sprintf(buf2, "1;%dr", tp_lines);
744 if (strncmp(buf2, sp + csi, len) == 0)
750 /* now check for home-down */
752 && (csi = skip_csi(sp)) != 0) {
753 (void) sprintf(buf2, "%d;1H", tp_lines);
755 if (strncmp(buf2, sp + csi, len) == 0) {
758 (void) sprintf(buf2, "%dH", tp_lines);
760 if (strncmp(buf2, sp + csi, len) == 0) {
767 /* now look at the expansion we got, if any */
769 printf("{%s}", expansion);
772 /* couldn't match anything */
775 fputs(TIC_EXPAND(buf2), stdout);
781 /***************************************************************************
785 ***************************************************************************/
788 file_comparison(int argc, char *argv[])
791 /* someday we may allow comparisons on more files */
793 ENTRY *heads[MAXCOMPARE];
797 memset(heads, 0, sizeof(heads));
798 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
800 for (n = 0; n < argc && n < MAXCOMPARE; n++) {
801 if (freopen(argv[n], "r", stdin) == 0)
802 _nc_err_abort("Can't open %s", argv[n]);
804 _nc_head = _nc_tail = 0;
806 /* parse entries out of the source file */
807 _nc_set_source(argv[n]);
808 _nc_read_entry_source(stdin, NULL, TRUE, literal, NULLHOOK);
811 (void) fprintf(stderr, "Resolving file %d...\n", n - 0);
813 /* maybe do use resolution */
814 if (!_nc_resolve_uses2(!limited, literal)) {
815 (void) fprintf(stderr,
816 "There are unresolved use entries in %s:\n",
820 (void) fputs(qp->tterm.term_names, stderr);
821 (void) fputc('\n', stderr);
824 ExitProgram(EXIT_FAILURE);
827 heads[filecount] = _nc_head;
831 /* OK, all entries are in core. Ready to do the comparison */
833 (void) fprintf(stderr, "Entries are now in core...\n");
835 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */
836 for (qp = heads[0]; qp; qp = qp->next) {
837 for (rp = heads[1]; rp; rp = rp->next)
838 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
839 if (qp->ncrosslinks < MAX_CROSSLINKS)
840 qp->crosslinks[qp->ncrosslinks] = rp;
843 if (rp->ncrosslinks < MAX_CROSSLINKS)
844 rp->crosslinks[rp->ncrosslinks] = qp;
849 /* now we have two circular lists with crosslinks */
851 (void) fprintf(stderr, "Name matches are done...\n");
853 for (qp = heads[0]; qp; qp = qp->next) {
854 if (qp->ncrosslinks > 1) {
855 (void) fprintf(stderr,
856 "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
857 _nc_first_name(qp->tterm.term_names),
861 for (i = 0; i < qp->ncrosslinks; i++)
862 (void) fprintf(stderr,
864 _nc_first_name((qp->crosslinks[i])->tterm.term_names));
868 for (rp = heads[1]; rp; rp = rp->next) {
869 if (rp->ncrosslinks > 1) {
870 (void) fprintf(stderr,
871 "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
872 _nc_first_name(rp->tterm.term_names),
876 for (i = 0; i < rp->ncrosslinks; i++)
877 (void) fprintf(stderr,
879 _nc_first_name((rp->crosslinks[i])->tterm.term_names));
883 (void) printf("In file 1 (%s) only:\n", argv[0]);
884 for (qp = heads[0]; qp; qp = qp->next)
885 if (qp->ncrosslinks == 0)
886 (void) printf("\t%s\n",
887 _nc_first_name(qp->tterm.term_names));
889 (void) printf("In file 2 (%s) only:\n", argv[1]);
890 for (rp = heads[1]; rp; rp = rp->next)
891 if (rp->ncrosslinks == 0)
892 (void) printf("\t%s\n",
893 _nc_first_name(rp->tterm.term_names));
895 (void) printf("The following entries are equivalent:\n");
896 for (qp = heads[0]; qp; qp = qp->next) {
897 if (qp->ncrosslinks == 1) {
898 rp = qp->crosslinks[0];
900 repair_acsc(&qp->tterm);
901 repair_acsc(&rp->tterm);
903 _nc_align_termtype(&qp->tterm, &rp->tterm);
905 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) {
906 char name1[NAMESIZE], name2[NAMESIZE];
908 (void) canonical_name(qp->tterm.term_names, name1);
909 (void) canonical_name(rp->tterm.term_names, name2);
911 (void) printf("%s = %s\n", name1, name2);
916 (void) printf("Differing entries:\n");
918 for (qp = heads[0]; qp; qp = qp->next) {
920 if (qp->ncrosslinks == 1) {
921 rp = qp->crosslinks[0];
923 /* sorry - we have to do this on each pass */
924 _nc_align_termtype(&qp->tterm, &rp->tterm);
926 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
927 char name1[NAMESIZE], name2[NAMESIZE];
932 (void) canonical_name(qp->tterm.term_names, name1);
933 (void) canonical_name(rp->tterm.term_names, name2);
938 (void) fprintf(stderr,
939 "%s: dumping differences\n",
941 (void) printf("comparing %s to %s.\n", name1, name2);
942 compare_entry(compare_predicate, &entries->tterm, quiet);
947 (void) fprintf(stderr,
948 "%s: dumping common capabilities\n",
950 (void) printf("comparing %s to %s.\n", name1, name2);
951 compare_entry(compare_predicate, &entries->tterm, quiet);
956 (void) fprintf(stderr,
957 "%s: dumping differences\n",
959 (void) printf("comparing %s to %s.\n", name1, name2);
960 compare_entry(compare_predicate, &entries->tterm, quiet);
972 static const char *tbl[] =
974 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
977 ," -1 print single-column"
978 ," -C use termcap-names"
979 ," -F compare terminfo-files"
980 ," -I use terminfo-names"
981 ," -L use long names"
982 ," -R subset (see manpage)"
983 ," -T eliminate size limits (test)"
984 ," -U eliminate post-processing of entries"
987 ," -a with -F, list commented-out caps"
989 ," -c list common capabilities"
990 ," -d list different capabilities"
991 ," -e format output for C initializer"
992 ," -E format output as C tables"
993 ," -f with -1, format complex strings"
994 ," -G format %{number} to %'char'"
995 ," -g format %'char' to %{number}"
996 ," -i analyze initialization/reset"
997 ," -l output terminfo names"
998 ," -n list capabilities in neither"
999 ," -p ignore padding specifiers"
1000 ," -q brief listing, removes headers"
1001 ," -r with -C, output in termcap form"
1002 ," -r with -F, resolve use-references"
1003 ," -s [d|i|l|c] sort fields"
1005 ," -t suppress commented-out capabilities"
1007 ," -u produce source with 'use='"
1008 ," -v number (verbose)"
1009 ," -w number (width)"
1011 ," -x treat unknown capabilities as user-defined"
1014 const size_t first = 3;
1015 const size_t last = SIZEOF(tbl);
1016 const size_t left = (last - first + 1) / 2 + first;
1019 for (n = 0; n < left; n++) {
1020 size_t m = (n < first) ? last : n + left - first;
1022 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
1024 fprintf(stderr, "%s\n", tbl[n]);
1026 ExitProgram(EXIT_FAILURE);
1030 any_initializer(const char *fmt, const char *type)
1032 static char *initializer;
1035 if (initializer == 0)
1036 initializer = (char *) malloc(strlen(entries->tterm.term_names) +
1037 strlen(type) + strlen(fmt));
1039 (void) strcpy(initializer, entries->tterm.term_names);
1040 for (s = initializer; *s != 0 && *s != '|'; s++) {
1041 if (!isalnum(UChar(*s)))
1045 (void) sprintf(s, fmt, type);
1050 name_initializer(const char *type)
1052 return any_initializer("_%s_data", type);
1056 string_variable(const char *type)
1058 return any_initializer("_s_%s", type);
1061 /* dump C initializers for the terminal type */
1063 dump_initializers(TERMTYPE *term)
1066 const char *str = 0;
1068 printf("\nstatic char %s[] = \"%s\";\n\n",
1069 name_initializer("alias"), entries->tterm.term_names);
1071 for_each_string(n, term) {
1072 char buf[MAX_STRING], *sp, *tp;
1074 if (VALID_STRING(term->Strings[n])) {
1077 for (sp = term->Strings[n];
1078 *sp != 0 && (tp - buf) < MAX_STRING - 6;
1080 if (isascii(UChar(*sp))
1081 && isprint(UChar(*sp))
1086 (void) sprintf(tp, "\\%03o", UChar(*sp));
1092 (void) printf("static char %-20s[] = %s;\n",
1093 string_variable(ExtStrname(term, n, strnames)), buf);
1098 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL);
1100 for_each_boolean(n, term) {
1101 switch ((int) (term->Booleans[n])) {
1110 case ABSENT_BOOLEAN:
1111 str = "ABSENT_BOOLEAN";
1114 case CANCELLED_BOOLEAN:
1115 str = "CANCELLED_BOOLEAN";
1118 (void) printf("\t/* %3u: %-8s */\t%s,\n",
1119 n, ExtBoolname(term, n, boolnames), str);
1121 (void) printf("%s;\n", R_CURL);
1123 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL);
1125 for_each_number(n, term) {
1127 switch (term->Numbers[n]) {
1128 case ABSENT_NUMERIC:
1129 str = "ABSENT_NUMERIC";
1131 case CANCELLED_NUMERIC:
1132 str = "CANCELLED_NUMERIC";
1135 sprintf(buf, "%d", term->Numbers[n]);
1139 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1140 ExtNumname(term, n, numnames), str);
1142 (void) printf("%s;\n", R_CURL);
1144 (void) printf("static char * %s[] = %s\n", name_initializer("string"), L_CURL);
1146 for_each_string(n, term) {
1148 if (term->Strings[n] == ABSENT_STRING)
1149 str = "ABSENT_STRING";
1150 else if (term->Strings[n] == CANCELLED_STRING)
1151 str = "CANCELLED_STRING";
1153 str = string_variable(ExtStrname(term, n, strnames));
1155 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1156 ExtStrname(term, n, strnames), str);
1158 (void) printf("%s;\n", R_CURL);
1161 if ((NUM_BOOLEANS(term) != BOOLCOUNT)
1162 || (NUM_NUMBERS(term) != NUMCOUNT)
1163 || (NUM_STRINGS(term) != STRCOUNT)) {
1164 (void) printf("static char * %s[] = %s\n",
1165 name_initializer("string_ext"), L_CURL);
1166 for (n = BOOLCOUNT; n < NUM_BOOLEANS(term); ++n) {
1167 (void) printf("\t/* %3u: bool */\t\"%s\",\n",
1168 n, ExtBoolname(term, n, boolnames));
1170 for (n = NUMCOUNT; n < NUM_NUMBERS(term); ++n) {
1171 (void) printf("\t/* %3u: num */\t\"%s\",\n",
1172 n, ExtNumname(term, n, numnames));
1174 for (n = STRCOUNT; n < NUM_STRINGS(term); ++n) {
1175 (void) printf("\t/* %3u: str */\t\"%s\",\n",
1176 n, ExtStrname(term, n, strnames));
1178 (void) printf("%s;\n", R_CURL);
1183 /* dump C initializers for the terminal type */
1185 dump_termtype(TERMTYPE *term)
1187 (void) printf("\t%s\n\t\t%s,\n", L_CURL, name_initializer("alias"));
1188 (void) printf("\t\t(char *)0,\t/* pointer to string table */\n");
1190 (void) printf("\t\t%s,\n", name_initializer("bool"));
1191 (void) printf("\t\t%s,\n", name_initializer("number"));
1193 (void) printf("\t\t%s,\n", name_initializer("string"));
1196 (void) printf("#if NCURSES_XNAMES\n");
1197 (void) printf("\t\t(char *)0,\t/* pointer to extended string table */\n");
1198 (void) printf("\t\t%s,\t/* ...corresponding names */\n",
1199 ((NUM_BOOLEANS(term) != BOOLCOUNT)
1200 || (NUM_NUMBERS(term) != NUMCOUNT)
1201 || (NUM_STRINGS(term) != STRCOUNT))
1202 ? name_initializer("string_ext")
1205 (void) printf("\t\t%d,\t\t/* count total Booleans */\n", NUM_BOOLEANS(term));
1206 (void) printf("\t\t%d,\t\t/* count total Numbers */\n", NUM_NUMBERS(term));
1207 (void) printf("\t\t%d,\t\t/* count total Strings */\n", NUM_STRINGS(term));
1209 (void) printf("\t\t%d,\t\t/* count extensions to Booleans */\n",
1210 NUM_BOOLEANS(term) - BOOLCOUNT);
1211 (void) printf("\t\t%d,\t\t/* count extensions to Numbers */\n",
1212 NUM_NUMBERS(term) - NUMCOUNT);
1213 (void) printf("\t\t%d,\t\t/* count extensions to Strings */\n",
1214 NUM_STRINGS(term) - STRCOUNT);
1216 (void) printf("#endif /* NCURSES_XNAMES */\n");
1219 #endif /* NCURSES_XNAMES */
1220 (void) printf("\t%s\n", R_CURL);
1224 optarg_to_number(void)
1227 long value = strtol(optarg, &temp, 0);
1229 if (temp == 0 || temp == optarg || *temp != 0) {
1230 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
1231 ExitProgram(EXIT_FAILURE);
1241 if ((terminal = getenv("TERM")) == 0) {
1242 (void) fprintf(stderr,
1243 "%s: environment variable TERM not set\n",
1250 /***************************************************************************
1254 ***************************************************************************/
1257 #define MAIN_LEAKS() \
1262 #define MAIN_LEAKS() /* nothing */
1266 main(int argc, char *argv[])
1268 /* Avoid "local data >32k" error with mwcc */
1269 /* Also avoid overflowing smaller stacks on systems like AmigaOS */
1276 char *firstdir, *restdir;
1278 bool formatted = FALSE;
1279 bool filecompare = FALSE;
1281 bool init_analyze = FALSE;
1282 bool suppress_untranslatable = FALSE;
1284 /* where is the terminfo database location going to default to? */
1285 restdir = firstdir = 0;
1288 use_extended_names(FALSE);
1291 _nc_progname = _nc_rootname(argv[0]);
1293 /* make sure we have enough space to add two terminal entries */
1294 myargv = typeCalloc(char *, (size_t) (argc + 3));
1295 memcpy(myargv, argv, (sizeof(char *) * (size_t) argc));
1298 while ((c = getopt(argc,
1300 "1A:aB:CcdEeFfGgIiLlnpqR:rs:TtUuVv:w:x")) != -1) {
1312 _nc_disable_period = TRUE;
1313 use_extended_names(TRUE);
1321 outform = F_TERMCAP;
1323 if (sortmode == S_DEFAULT)
1324 sortmode = S_TERMCAP;
1332 compare = C_DIFFERENCE;
1360 outform = F_TERMINFO;
1361 if (sortmode == S_DEFAULT)
1362 sortmode = S_VARIABLE;
1367 init_analyze = TRUE;
1371 outform = F_VARIABLE;
1372 if (sortmode == S_DEFAULT)
1373 sortmode = S_VARIABLE;
1377 outform = F_TERMINFO;
1405 sortmode = S_NOSORT;
1406 else if (*optarg == 'i')
1407 sortmode = S_TERMINFO;
1408 else if (*optarg == 'l')
1409 sortmode = S_VARIABLE;
1410 else if (*optarg == 'c')
1411 sortmode = S_TERMCAP;
1413 (void) fprintf(stderr,
1414 "%s: unknown sort mode\n",
1416 ExitProgram(EXIT_FAILURE);
1426 _nc_disable_period = FALSE;
1427 suppress_untranslatable = TRUE;
1440 puts(curses_version());
1441 ExitProgram(EXIT_SUCCESS);
1444 itrace = optarg_to_number();
1445 set_trace_level(itrace);
1449 mwidth = optarg_to_number();
1454 use_extended_names(TRUE);
1463 maxterms = (argc + 2 - optind);
1464 tfile = typeMalloc(path, maxterms);
1465 tname = typeCalloc(char *, maxterms);
1466 entries = typeCalloc(ENTRY, maxterms);
1471 fprintf(stderr, "%s: not enough memory\n", _nc_progname);
1472 ExitProgram(EXIT_FAILURE);
1475 /* by default, sort by terminfo name */
1476 if (sortmode == S_DEFAULT)
1477 sortmode = S_TERMINFO;
1479 /* set up for display */
1480 dump_init(tversion, outform, sortmode, mwidth, itrace, formatted);
1482 /* make sure we have at least one terminal name to work with */
1484 argv[argc++] = terminal_env();
1486 /* if user is after a comparison, make sure we have two entries */
1487 if (compare != C_DEFAULT && optind >= argc - 1)
1488 argv[argc++] = terminal_env();
1490 /* exactly two terminal names with no options means do -d */
1491 if (argc - optind == 2 && compare == C_DEFAULT)
1492 compare = C_DIFFERENCE;
1495 /* grab the entries */
1497 for (; optind < argc; optind++) {
1498 const char *directory = termcount ? restdir : firstdir;
1501 tname[termcount] = argv[optind];
1505 #if MIXEDCASE_FILENAMES
1506 #define LEAF_FMT "%c"
1508 #define LEAF_FMT "%02x"
1510 (void) sprintf(tfile[termcount], "%s/" LEAF_FMT "/%s",
1512 UChar(*argv[optind]), argv[optind]);
1514 (void) fprintf(stderr,
1515 "%s: reading entry %s from file %s\n",
1517 argv[optind], tfile[termcount]);
1519 status = _nc_read_file_entry(tfile[termcount],
1520 &entries[termcount].tterm);
1522 (void) fprintf(stderr, "%s: terminfo files not supported\n",
1525 ExitProgram(EXIT_FAILURE);
1529 (void) fprintf(stderr,
1530 "%s: reading entry %s from database\n",
1534 status = _nc_read_entry(tname[termcount],
1536 &entries[termcount].tterm);
1540 (void) fprintf(stderr,
1541 "%s: couldn't open terminfo file %s.\n",
1545 ExitProgram(EXIT_FAILURE);
1547 repair_acsc(&entries[termcount].tterm);
1553 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm);
1556 /* dump as C initializer for the terminal type */
1559 dump_termtype(&entries[0].tterm);
1561 dump_initializers(&entries[0].tterm);
1564 /* analyze the init strings */
1565 else if (init_analyze) {
1567 #define CUR entries[0].tterm.
1568 analyze_string("is1", init_1string, &entries[0].tterm);
1569 analyze_string("is2", init_2string, &entries[0].tterm);
1570 analyze_string("is3", init_3string, &entries[0].tterm);
1571 analyze_string("rs1", reset_1string, &entries[0].tterm);
1572 analyze_string("rs2", reset_2string, &entries[0].tterm);
1573 analyze_string("rs3", reset_3string, &entries[0].tterm);
1574 analyze_string("smcup", enter_ca_mode, &entries[0].tterm);
1575 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm);
1580 * Here's where the real work gets done
1585 (void) fprintf(stderr,
1586 "%s: about to dump %s\n",
1589 (void) printf("#\tReconstructed via infocmp from file: %s\n",
1591 dump_entry(&entries[0].tterm,
1592 suppress_untranslatable,
1598 (void) fprintf(stderr, "%s: length %d\n", _nc_progname, len);
1603 (void) fprintf(stderr, "%s: dumping differences\n", _nc_progname);
1604 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1605 compare_entry(compare_predicate, &entries->tterm, quiet);
1610 (void) fprintf(stderr,
1611 "%s: dumping common capabilities\n",
1613 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1614 compare_entry(compare_predicate, &entries->tterm, quiet);
1619 (void) fprintf(stderr,
1620 "%s: dumping differences\n",
1622 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1623 compare_entry(compare_predicate, &entries->tterm, quiet);
1628 (void) fprintf(stderr, "%s: dumping use entry\n", _nc_progname);
1629 dump_entry(&entries[0].tterm,
1630 suppress_untranslatable,
1634 for (i = 1; i < termcount; i++)
1635 dump_uses(tname[i], !(outform == F_TERMCAP
1636 || outform == F_TCONVERR));
1639 (void) fprintf(stderr, "%s: length %d\n", _nc_progname, len);
1643 } else if (compare == C_USEALL)
1644 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
1645 else if (compare == C_DEFAULT)
1646 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
1647 else if (argc - optind != 2)
1648 (void) fprintf(stderr,
1649 "File comparison needs exactly two file arguments.\n");
1651 file_comparison(argc - optind, argv + optind);
1654 ExitProgram(EXIT_SUCCESS);
1657 /* infocmp.c ends here */