1 /****************************************************************************
2 * Copyright (c) 1998-2010,2011 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 1.108 2011/08/06 16:36:06 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 unsigned itrace; /* trace flag for debugging */
74 static int mwidth = 60;
75 static int mheight = 65535;
76 static int numbers = 0; /* format "%'char'" to/from "%{number}" */
77 static int outform = F_TERMINFO; /* output format */
78 static int sortmode; /* sort_mode */
80 /* main comparison mode */
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 */
87 static bool ignorepads; /* ignore pad prefixes when diffing */
91 static void ExitProgram(int code) GCC_NORETURN;
92 /* prototype is to get gcc to accept the noreturn attribute */
96 while (termcount-- > 0)
97 _nc_free_termtype(&entries[termcount].tterm);
98 _nc_leaks_dump_entry();
105 canonical_name(char *ptr, char *buf)
106 /* extract the terminal type's primary name */
110 (void) strcpy(buf, ptr);
111 if ((bp = strchr(buf, '|')) != 0)
117 /***************************************************************************
119 * Predicates for dump function
121 ***************************************************************************/
124 capcmp(PredIdx idx, const char *s, const char *t)
125 /* capability comparison function */
127 if (!VALID_STRING(s) && !VALID_STRING(t))
129 else if (!VALID_STRING(s) || !VALID_STRING(t))
132 if ((idx == acs_chars_index) || !ignorepads)
133 return (strcmp(s, t));
135 return (_nc_capcmp(s, t));
139 use_predicate(unsigned type, PredIdx idx)
140 /* predicate function to use for use decompilation */
150 * This assumes that multiple use entries are supposed
151 * to contribute the logical or of their boolean capabilities.
152 * This is true if we take the semantics of multiple uses to
153 * be 'each capability gets the first non-default value found
154 * in the sequence of use entries'.
156 * Note that cancelled or absent booleans are stored as FALSE,
157 * unlike numbers and strings, whose cancelled/absent state is
158 * recorded in the terminfo database.
160 for (ep = &entries[1]; ep < entries + termcount; ep++)
161 if (ep->tterm.Booleans[idx] == TRUE) {
162 is_set = entries[0].tterm.Booleans[idx];
165 if (is_set != entries[0].tterm.Booleans[idx])
173 int value = ABSENT_NUMERIC;
176 * We take the semantics of multiple uses to be 'each
177 * capability gets the first non-default value found
178 * in the sequence of use entries'.
180 for (ep = &entries[1]; ep < entries + termcount; ep++)
181 if (VALID_NUMERIC(ep->tterm.Numbers[idx])) {
182 value = ep->tterm.Numbers[idx];
186 if (value != entries[0].tterm.Numbers[idx])
187 return (value != ABSENT_NUMERIC);
194 char *termstr, *usestr = ABSENT_STRING;
196 termstr = entries[0].tterm.Strings[idx];
199 * We take the semantics of multiple uses to be 'each
200 * capability gets the first non-default value found
201 * in the sequence of use entries'.
203 for (ep = &entries[1]; ep < entries + termcount; ep++)
204 if (ep->tterm.Strings[idx]) {
205 usestr = ep->tterm.Strings[idx];
209 if (usestr == ABSENT_STRING && termstr == ABSENT_STRING)
211 else if (!usestr || !termstr || capcmp(idx, usestr, termstr))
218 return (FALSE); /* pacify compiler */
222 useeq(ENTRY * e1, ENTRY * e2)
223 /* are the use references in two entries equivalent? */
227 if (e1->nuses != e2->nuses)
230 /* Ugh...this is quadratic again */
231 for (i = 0; i < e1->nuses; i++) {
232 bool foundmatch = FALSE;
234 /* search second entry for given use reference */
235 for (j = 0; j < e2->nuses; j++)
236 if (!strcmp(e1->uses[i].name, e2->uses[j].name)) {
249 entryeq(TERMTYPE *t1, TERMTYPE *t2)
250 /* are two entries equivalent? */
254 for (i = 0; i < NUM_BOOLEANS(t1); i++)
255 if (t1->Booleans[i] != t2->Booleans[i])
258 for (i = 0; i < NUM_NUMBERS(t1); i++)
259 if (t1->Numbers[i] != t2->Numbers[i])
262 for (i = 0; i < NUM_STRINGS(t1); i++)
263 if (capcmp((PredIdx) i, t1->Strings[i], t2->Strings[i]))
269 #define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers)
272 print_uses(ENTRY * ep, FILE *fp)
273 /* print an entry's use references */
280 for (i = 0; i < ep->nuses; i++) {
281 fputs(ep->uses[i].name, fp);
282 if (i < ep->nuses - 1)
288 dump_boolean(int val)
289 /* display the value of a boolean capability */
294 case CANCELLED_BOOLEAN:
306 dump_numeric(int val, char *buf)
307 /* display the value of a boolean capability */
311 strcpy(buf, s_absent);
313 case CANCELLED_NUMERIC:
314 strcpy(buf, s_cancel);
317 sprintf(buf, "%d", val);
323 dump_string(char *val, char *buf)
324 /* display the value of a string capability */
326 if (val == ABSENT_STRING)
327 strcpy(buf, s_absent);
328 else if (val == CANCELLED_STRING)
329 strcpy(buf, s_cancel);
331 sprintf(buf, "'%.*s'", MAX_STRING - 3, TIC_EXPAND(val));
336 compare_predicate(PredType type, PredIdx idx, const char *name)
337 /* predicate function to use for entry difference reports */
339 register ENTRY *e1 = &entries[0];
340 register ENTRY *e2 = &entries[1];
341 char buf1[MAX_STRING], buf2[MAX_STRING];
348 b1 = e1->tterm.Booleans[idx];
349 b2 = e2->tterm.Booleans[idx];
352 if (!(b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) && b1 != b2)
353 (void) printf("\t%s: %s%s%s.\n",
361 if (b1 == b2 && b1 != ABSENT_BOOLEAN)
362 (void) printf("\t%s= %s.\n", name, dump_boolean(b1));
366 if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN)
367 (void) printf("\t!%s.\n", name);
373 n1 = e1->tterm.Numbers[idx];
374 n2 = e2->tterm.Numbers[idx];
375 dump_numeric(n1, buf1);
376 dump_numeric(n2, buf2);
379 if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2)
380 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
384 if (n1 != ABSENT_NUMERIC && n2 != ABSENT_NUMERIC && n1 == n2)
385 (void) printf("\t%s= %s.\n", name, buf1);
389 if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)
390 (void) printf("\t!%s.\n", name);
396 s1 = e1->tterm.Strings[idx];
397 s2 = e2->tterm.Strings[idx];
400 if (capcmp(idx, s1, s2)) {
401 dump_string(s1, buf1);
402 dump_string(s2, buf2);
403 if (strcmp(buf1, buf2))
404 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2);
409 if (s1 && s2 && !capcmp(idx, s1, s2))
410 (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
415 (void) printf("\t!%s.\n", name);
421 /* unlike the other modes, this compares *all* use entries */
424 if (!useeq(e1, e2)) {
425 (void) fputs("\tuse: ", stdout);
426 print_uses(e1, stdout);
428 print_uses(e2, stdout);
429 fputs(".\n", stdout);
434 if (e1->nuses && e2->nuses && useeq(e1, e2)) {
435 (void) fputs("\tuse: ", stdout);
436 print_uses(e1, stdout);
437 fputs(".\n", stdout);
442 if (!e1->nuses && !e2->nuses)
443 (void) printf("\t!use.\n");
449 /***************************************************************************
451 * Init string analysis
453 ***************************************************************************/
460 static const assoc std_caps[] =
462 /* these are specified by X.364 and iBCS2 */
463 {"\033c", "RIS"}, /* full reset */
464 {"\0337", "SC"}, /* save cursor */
465 {"\0338", "RC"}, /* restore cursor */
466 {"\033[r", "RSR"}, /* not an X.364 mnemonic */
467 {"\033[m", "SGR0"}, /* not an X.364 mnemonic */
468 {"\033[2J", "ED2"}, /* clear page */
470 /* this group is specified by ISO 2022 */
471 {"\033(0", "ISO DEC G0"}, /* enable DEC graphics for G0 */
472 {"\033(A", "ISO UK G0"}, /* enable UK chars for G0 */
473 {"\033(B", "ISO US G0"}, /* enable US chars for G0 */
474 {"\033)0", "ISO DEC G1"}, /* enable DEC graphics for G1 */
475 {"\033)A", "ISO UK G1"}, /* enable UK chars for G1 */
476 {"\033)B", "ISO US G1"}, /* enable US chars for G1 */
478 /* these are DEC private controls widely supported by emulators */
479 {"\033=", "DECPAM"}, /* application keypad mode */
480 {"\033>", "DECPNM"}, /* normal keypad mode */
481 {"\033<", "DECANSI"}, /* enter ANSI mode */
482 {"\033[!p", "DECSTR"}, /* soft reset */
483 {"\033 F", "S7C1T"}, /* 7-bit controls */
485 {(char *) 0, (char *) 0}
488 static const assoc std_modes[] =
489 /* ECMA \E[ ... [hl] modes recognized by many emulators */
491 {"2", "AM"}, /* keyboard action mode */
492 {"4", "IRM"}, /* insert/replace mode */
493 {"12", "SRM"}, /* send/receive mode */
494 {"20", "LNM"}, /* linefeed mode */
495 {(char *) 0, (char *) 0}
498 static const assoc private_modes[] =
499 /* DEC \E[ ... [hl] modes recognized by many emulators */
501 {"1", "CKM"}, /* application cursor keys */
502 {"2", "ANM"}, /* set VT52 mode */
503 {"3", "COLM"}, /* 132-column mode */
504 {"4", "SCLM"}, /* smooth scroll */
505 {"5", "SCNM"}, /* reverse video mode */
506 {"6", "OM"}, /* origin mode */
507 {"7", "AWM"}, /* wraparound mode */
508 {"8", "ARM"}, /* auto-repeat mode */
509 {(char *) 0, (char *) 0}
512 static const assoc ecma_highlights[] =
513 /* recognize ECMA attribute sequences */
515 {"0", "NORMAL"}, /* normal */
516 {"1", "+BOLD"}, /* bold on */
517 {"2", "+DIM"}, /* dim on */
518 {"3", "+ITALIC"}, /* italic on */
519 {"4", "+UNDERLINE"}, /* underline on */
520 {"5", "+BLINK"}, /* blink on */
521 {"6", "+FASTBLINK"}, /* fastblink on */
522 {"7", "+REVERSE"}, /* reverse on */
523 {"8", "+INVISIBLE"}, /* invisible on */
524 {"9", "+DELETED"}, /* deleted on */
525 {"10", "MAIN-FONT"}, /* select primary font */
526 {"11", "ALT-FONT-1"}, /* select alternate font 1 */
527 {"12", "ALT-FONT-2"}, /* select alternate font 2 */
528 {"13", "ALT-FONT-3"}, /* select alternate font 3 */
529 {"14", "ALT-FONT-4"}, /* select alternate font 4 */
530 {"15", "ALT-FONT-5"}, /* select alternate font 5 */
531 {"16", "ALT-FONT-6"}, /* select alternate font 6 */
532 {"17", "ALT-FONT-7"}, /* select alternate font 7 */
533 {"18", "ALT-FONT-1"}, /* select alternate font 1 */
534 {"19", "ALT-FONT-1"}, /* select alternate font 1 */
535 {"20", "FRAKTUR"}, /* Fraktur font */
536 {"21", "DOUBLEUNDER"}, /* double underline */
537 {"22", "-DIM"}, /* dim off */
538 {"23", "-ITALIC"}, /* italic off */
539 {"24", "-UNDERLINE"}, /* underline off */
540 {"25", "-BLINK"}, /* blink off */
541 {"26", "-FASTBLINK"}, /* fastblink off */
542 {"27", "-REVERSE"}, /* reverse off */
543 {"28", "-INVISIBLE"}, /* invisible off */
544 {"29", "-DELETED"}, /* deleted off */
545 {(char *) 0, (char *) 0}
549 skip_csi(const char *cap)
552 if (cap[0] == '\033' && cap[1] == '[')
554 else if (UChar(cap[0]) == 0233)
560 same_param(const char *table, const char *param, size_t length)
563 if (strncmp(table, param, length) == 0) {
564 result = !isdigit(UChar(param[length]));
570 lookup_params(const assoc * table, char *dst, char *src)
573 const char *ep = strtok(src, ";");
581 for (ap = table; ap->from; ap++) {
582 size_t tlen = strlen(ap->from);
584 if (same_param(ap->from, ep, tlen)) {
585 (void) strcat(dst, ap->to);
592 (void) strcat(dst, ep);
593 (void) strcat(dst, ";");
595 ((ep = strtok((char *) 0, ";")));
597 dst[strlen(dst) - 1] = '\0';
605 analyze_string(const char *name, const char *cap, TERMTYPE *tp)
607 char buf2[MAX_TERMINFO_LENGTH];
610 int tp_lines = tp->Numbers[2];
612 if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
614 (void) printf("%s: ", name);
616 for (sp = cap; *sp; sp++) {
621 const char *expansion = 0;
622 char buf3[MAX_TERMINFO_LENGTH];
624 /* first, check other capabilities in this entry */
625 for (i = 0; i < STRCOUNT; i++) {
626 char *cp = tp->Strings[i];
628 /* don't use soft-key capabilities */
629 if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
632 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp
635 (void) strncpy(buf2, sp, len);
638 if (_nc_capcmp(cp, buf2))
641 #define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
643 * Theoretically we just passed the test for translation
644 * (equality once the padding is stripped). However, there
645 * are a few more hoops that need to be jumped so that
646 * identical pairs of initialization and reset strings
647 * don't just refer to each other.
649 if (ISRS(name) || ISRS(strnames[i]))
654 expansion = strnames[i];
659 /* now check the standard capabilities */
662 for (ap = std_caps; ap->from; ap++) {
663 size_t adj = (size_t) (csi ? 2 : 0);
665 len = strlen(ap->from);
666 if (csi && skip_csi(ap->from) != csi)
669 && strncmp(ap->from + adj, sp + csi, len - adj) == 0) {
678 /* now check for standard-mode sequences */
680 && (csi = skip_csi(sp)) != 0
681 && (len = strspn(sp + csi, "0123456789;"))
682 && (len < sizeof(buf3))
683 && (next = (size_t) csi + len)
684 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
686 (void) strcpy(buf2, (sp[next] == 'h') ? "ECMA+" : "ECMA-");
687 (void) strncpy(buf3, sp + csi, len);
689 len += (size_t) csi + 1;
691 expansion = lookup_params(std_modes, buf2, buf3);
694 /* now check for private-mode sequences */
696 && (csi = skip_csi(sp)) != 0
698 && (len = strspn(sp + csi + 1, "0123456789;"))
699 && (len < sizeof(buf3))
700 && (next = (size_t) csi + 1 + len)
701 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
703 (void) strcpy(buf2, (sp[next] == 'h') ? "DEC+" : "DEC-");
704 (void) strncpy(buf3, sp + csi + 1, len);
706 len += (size_t) csi + 2;
708 expansion = lookup_params(private_modes, buf2, buf3);
711 /* now check for ECMA highlight sequences */
713 && (csi = skip_csi(sp)) != 0
714 && (len = strspn(sp + csi, "0123456789;")) != 0
715 && (len < sizeof(buf3))
716 && (next = (size_t) csi + len)
717 && sp[next] == 'm') {
719 (void) strcpy(buf2, "SGR:");
720 (void) strncpy(buf3, sp + csi, len);
722 len += (size_t) csi + 1;
724 expansion = lookup_params(ecma_highlights, buf2, buf3);
728 && (csi = skip_csi(sp)) != 0
730 len = (size_t) csi + 1;
731 (void) strcpy(buf2, "SGR:");
732 strcat(buf2, ecma_highlights[0].to);
736 /* now check for scroll region reset */
738 && (csi = skip_csi(sp)) != 0) {
739 if (sp[csi] == 'r') {
743 (void) sprintf(buf2, "1;%dr", tp_lines);
745 if (strncmp(buf2, sp + csi, len) == 0)
751 /* now check for home-down */
753 && (csi = skip_csi(sp)) != 0) {
754 (void) sprintf(buf2, "%d;1H", tp_lines);
756 if (strncmp(buf2, sp + csi, len) == 0) {
759 (void) sprintf(buf2, "%dH", tp_lines);
761 if (strncmp(buf2, sp + csi, len) == 0) {
768 /* now look at the expansion we got, if any */
770 printf("{%s}", expansion);
773 /* couldn't match anything */
776 fputs(TIC_EXPAND(buf2), stdout);
782 /***************************************************************************
786 ***************************************************************************/
789 file_comparison(int argc, char *argv[])
792 /* someday we may allow comparisons on more files */
794 ENTRY *heads[MAXCOMPARE];
798 memset(heads, 0, sizeof(heads));
799 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, 65535, itrace, FALSE);
801 for (n = 0; n < argc && n < MAXCOMPARE; n++) {
802 if (freopen(argv[n], "r", stdin) == 0)
803 _nc_err_abort("Can't open %s", argv[n]);
805 _nc_head = _nc_tail = 0;
807 /* parse entries out of the source file */
808 _nc_set_source(argv[n]);
809 _nc_read_entry_source(stdin, NULL, TRUE, literal, NULLHOOK);
812 (void) fprintf(stderr, "Resolving file %d...\n", n - 0);
814 /* maybe do use resolution */
815 if (!_nc_resolve_uses2(!limited, literal)) {
816 (void) fprintf(stderr,
817 "There are unresolved use entries in %s:\n",
821 (void) fputs(qp->tterm.term_names, stderr);
822 (void) fputc('\n', stderr);
825 ExitProgram(EXIT_FAILURE);
828 heads[filecount] = _nc_head;
832 /* OK, all entries are in core. Ready to do the comparison */
834 (void) fprintf(stderr, "Entries are now in core...\n");
836 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */
837 for (qp = heads[0]; qp; qp = qp->next) {
838 for (rp = heads[1]; rp; rp = rp->next)
839 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
840 if (qp->ncrosslinks < MAX_CROSSLINKS)
841 qp->crosslinks[qp->ncrosslinks] = rp;
844 if (rp->ncrosslinks < MAX_CROSSLINKS)
845 rp->crosslinks[rp->ncrosslinks] = qp;
850 /* now we have two circular lists with crosslinks */
852 (void) fprintf(stderr, "Name matches are done...\n");
854 for (qp = heads[0]; qp; qp = qp->next) {
855 if (qp->ncrosslinks > 1) {
856 (void) fprintf(stderr,
857 "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
858 _nc_first_name(qp->tterm.term_names),
862 for (i = 0; i < qp->ncrosslinks; i++)
863 (void) fprintf(stderr,
865 _nc_first_name((qp->crosslinks[i])->tterm.term_names));
869 for (rp = heads[1]; rp; rp = rp->next) {
870 if (rp->ncrosslinks > 1) {
871 (void) fprintf(stderr,
872 "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
873 _nc_first_name(rp->tterm.term_names),
877 for (i = 0; i < rp->ncrosslinks; i++)
878 (void) fprintf(stderr,
880 _nc_first_name((rp->crosslinks[i])->tterm.term_names));
884 (void) printf("In file 1 (%s) only:\n", argv[0]);
885 for (qp = heads[0]; qp; qp = qp->next)
886 if (qp->ncrosslinks == 0)
887 (void) printf("\t%s\n",
888 _nc_first_name(qp->tterm.term_names));
890 (void) printf("In file 2 (%s) only:\n", argv[1]);
891 for (rp = heads[1]; rp; rp = rp->next)
892 if (rp->ncrosslinks == 0)
893 (void) printf("\t%s\n",
894 _nc_first_name(rp->tterm.term_names));
896 (void) printf("The following entries are equivalent:\n");
897 for (qp = heads[0]; qp; qp = qp->next) {
898 if (qp->ncrosslinks == 1) {
899 rp = qp->crosslinks[0];
901 repair_acsc(&qp->tterm);
902 repair_acsc(&rp->tterm);
904 _nc_align_termtype(&qp->tterm, &rp->tterm);
906 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) {
907 char name1[NAMESIZE], name2[NAMESIZE];
909 (void) canonical_name(qp->tterm.term_names, name1);
910 (void) canonical_name(rp->tterm.term_names, name2);
912 (void) printf("%s = %s\n", name1, name2);
917 (void) printf("Differing entries:\n");
919 for (qp = heads[0]; qp; qp = qp->next) {
921 if (qp->ncrosslinks == 1) {
922 rp = qp->crosslinks[0];
924 /* sorry - we have to do this on each pass */
925 _nc_align_termtype(&qp->tterm, &rp->tterm);
927 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
928 char name1[NAMESIZE], name2[NAMESIZE];
933 (void) canonical_name(qp->tterm.term_names, name1);
934 (void) canonical_name(rp->tterm.term_names, name2);
939 (void) fprintf(stderr,
940 "%s: dumping differences\n",
942 (void) printf("comparing %s to %s.\n", name1, name2);
943 compare_entry(compare_predicate, &entries->tterm, quiet);
948 (void) fprintf(stderr,
949 "%s: dumping common capabilities\n",
951 (void) printf("comparing %s to %s.\n", name1, name2);
952 compare_entry(compare_predicate, &entries->tterm, quiet);
957 (void) fprintf(stderr,
958 "%s: dumping differences\n",
960 (void) printf("comparing %s to %s.\n", name1, name2);
961 compare_entry(compare_predicate, &entries->tterm, quiet);
973 static const char *tbl[] =
975 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
978 ," -0 print single-row"
979 ," -1 print single-column"
980 ," -K use termcap-names and BSD syntax"
981 ," -C use termcap-names"
982 ," -F compare terminfo-files"
983 ," -I use terminfo-names"
984 ," -L use long names"
985 ," -R subset (see manpage)"
986 ," -T eliminate size limits (test)"
987 ," -U eliminate post-processing of entries"
990 ," -a with -F, list commented-out caps"
992 ," -c list common capabilities"
993 ," -d list different capabilities"
994 ," -e format output for C initializer"
995 ," -E format output as C tables"
996 ," -f with -1, format complex strings"
997 ," -G format %{number} to %'char'"
998 ," -g format %'char' to %{number}"
999 ," -i analyze initialization/reset"
1000 ," -l output terminfo names"
1001 ," -n list capabilities in neither"
1002 ," -p ignore padding specifiers"
1003 ," -q brief listing, removes headers"
1004 ," -r with -C, output in termcap form"
1005 ," -r with -F, resolve use-references"
1006 ," -s [d|i|l|c] sort fields"
1008 ," -t suppress commented-out capabilities"
1010 ," -u produce source with 'use='"
1011 ," -v number (verbose)"
1012 ," -w number (width)"
1014 ," -x treat unknown capabilities as user-defined"
1017 const size_t first = 3;
1018 const size_t last = SIZEOF(tbl);
1019 const size_t left = (last - first + 1) / 2 + first;
1022 for (n = 0; n < left; n++) {
1023 size_t m = (n < first) ? last : n + left - first;
1025 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
1027 fprintf(stderr, "%s\n", tbl[n]);
1029 ExitProgram(EXIT_FAILURE);
1033 any_initializer(const char *fmt, const char *type)
1035 static char *initializer;
1038 if (initializer == 0)
1039 initializer = (char *) malloc(strlen(entries->tterm.term_names) +
1040 strlen(type) + strlen(fmt));
1042 (void) strcpy(initializer, entries->tterm.term_names);
1043 for (s = initializer; *s != 0 && *s != '|'; s++) {
1044 if (!isalnum(UChar(*s)))
1048 (void) sprintf(s, fmt, type);
1053 name_initializer(const char *type)
1055 return any_initializer("_%s_data", type);
1059 string_variable(const char *type)
1061 return any_initializer("_s_%s", type);
1064 /* dump C initializers for the terminal type */
1066 dump_initializers(TERMTYPE *term)
1069 const char *str = 0;
1071 printf("\nstatic char %s[] = \"%s\";\n\n",
1072 name_initializer("alias"), entries->tterm.term_names);
1074 for_each_string(n, term) {
1075 char buf[MAX_STRING], *sp, *tp;
1077 if (VALID_STRING(term->Strings[n])) {
1080 for (sp = term->Strings[n];
1081 *sp != 0 && (tp - buf) < MAX_STRING - 6;
1083 if (isascii(UChar(*sp))
1084 && isprint(UChar(*sp))
1089 (void) sprintf(tp, "\\%03o", UChar(*sp));
1095 (void) printf("static char %-20s[] = %s;\n",
1096 string_variable(ExtStrname(term, (int) n, strnames)),
1102 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL);
1104 for_each_boolean(n, term) {
1105 switch ((int) (term->Booleans[n])) {
1114 case ABSENT_BOOLEAN:
1115 str = "ABSENT_BOOLEAN";
1118 case CANCELLED_BOOLEAN:
1119 str = "CANCELLED_BOOLEAN";
1122 (void) printf("\t/* %3u: %-8s */\t%s,\n",
1123 n, ExtBoolname(term, (int) n, boolnames), str);
1125 (void) printf("%s;\n", R_CURL);
1127 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL);
1129 for_each_number(n, term) {
1131 switch (term->Numbers[n]) {
1132 case ABSENT_NUMERIC:
1133 str = "ABSENT_NUMERIC";
1135 case CANCELLED_NUMERIC:
1136 str = "CANCELLED_NUMERIC";
1139 sprintf(buf, "%d", term->Numbers[n]);
1143 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1144 ExtNumname(term, (int) n, numnames), str);
1146 (void) printf("%s;\n", R_CURL);
1148 (void) printf("static char * %s[] = %s\n", name_initializer("string"), L_CURL);
1150 for_each_string(n, term) {
1152 if (term->Strings[n] == ABSENT_STRING)
1153 str = "ABSENT_STRING";
1154 else if (term->Strings[n] == CANCELLED_STRING)
1155 str = "CANCELLED_STRING";
1157 str = string_variable(ExtStrname(term, (int) n, strnames));
1159 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1160 ExtStrname(term, (int) n, strnames), str);
1162 (void) printf("%s;\n", R_CURL);
1165 if ((NUM_BOOLEANS(term) != BOOLCOUNT)
1166 || (NUM_NUMBERS(term) != NUMCOUNT)
1167 || (NUM_STRINGS(term) != STRCOUNT)) {
1168 (void) printf("static char * %s[] = %s\n",
1169 name_initializer("string_ext"), L_CURL);
1170 for (n = BOOLCOUNT; n < NUM_BOOLEANS(term); ++n) {
1171 (void) printf("\t/* %3u: bool */\t\"%s\",\n",
1172 n, ExtBoolname(term, (int) n, boolnames));
1174 for (n = NUMCOUNT; n < NUM_NUMBERS(term); ++n) {
1175 (void) printf("\t/* %3u: num */\t\"%s\",\n",
1176 n, ExtNumname(term, (int) n, numnames));
1178 for (n = STRCOUNT; n < NUM_STRINGS(term); ++n) {
1179 (void) printf("\t/* %3u: str */\t\"%s\",\n",
1180 n, ExtStrname(term, (int) n, strnames));
1182 (void) printf("%s;\n", R_CURL);
1187 /* dump C initializers for the terminal type */
1189 dump_termtype(TERMTYPE *term)
1191 (void) printf("\t%s\n\t\t%s,\n", L_CURL, name_initializer("alias"));
1192 (void) printf("\t\t(char *)0,\t/* pointer to string table */\n");
1194 (void) printf("\t\t%s,\n", name_initializer("bool"));
1195 (void) printf("\t\t%s,\n", name_initializer("number"));
1197 (void) printf("\t\t%s,\n", name_initializer("string"));
1200 (void) printf("#if NCURSES_XNAMES\n");
1201 (void) printf("\t\t(char *)0,\t/* pointer to extended string table */\n");
1202 (void) printf("\t\t%s,\t/* ...corresponding names */\n",
1203 ((NUM_BOOLEANS(term) != BOOLCOUNT)
1204 || (NUM_NUMBERS(term) != NUMCOUNT)
1205 || (NUM_STRINGS(term) != STRCOUNT))
1206 ? name_initializer("string_ext")
1209 (void) printf("\t\t%d,\t\t/* count total Booleans */\n", NUM_BOOLEANS(term));
1210 (void) printf("\t\t%d,\t\t/* count total Numbers */\n", NUM_NUMBERS(term));
1211 (void) printf("\t\t%d,\t\t/* count total Strings */\n", NUM_STRINGS(term));
1213 (void) printf("\t\t%d,\t\t/* count extensions to Booleans */\n",
1214 NUM_BOOLEANS(term) - BOOLCOUNT);
1215 (void) printf("\t\t%d,\t\t/* count extensions to Numbers */\n",
1216 NUM_NUMBERS(term) - NUMCOUNT);
1217 (void) printf("\t\t%d,\t\t/* count extensions to Strings */\n",
1218 NUM_STRINGS(term) - STRCOUNT);
1220 (void) printf("#endif /* NCURSES_XNAMES */\n");
1223 #endif /* NCURSES_XNAMES */
1224 (void) printf("\t%s\n", R_CURL);
1228 optarg_to_number(void)
1231 long value = strtol(optarg, &temp, 0);
1233 if (temp == 0 || temp == optarg || *temp != 0) {
1234 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
1235 ExitProgram(EXIT_FAILURE);
1245 if ((terminal = getenv("TERM")) == 0) {
1246 (void) fprintf(stderr,
1247 "%s: environment variable TERM not set\n",
1254 /***************************************************************************
1258 ***************************************************************************/
1261 #define MAIN_LEAKS() \
1266 #define MAIN_LEAKS() /* nothing */
1270 main(int argc, char *argv[])
1272 /* Avoid "local data >32k" error with mwcc */
1273 /* Also avoid overflowing smaller stacks on systems like AmigaOS */
1280 char *firstdir, *restdir;
1282 bool formatted = FALSE;
1283 bool filecompare = FALSE;
1285 bool init_analyze = FALSE;
1286 bool suppress_untranslatable = FALSE;
1288 /* where is the terminfo database location going to default to? */
1289 restdir = firstdir = 0;
1292 use_extended_names(FALSE);
1296 _nc_progname = _nc_rootname(argv[0]);
1298 /* make sure we have enough space to add two terminal entries */
1299 myargv = typeCalloc(char *, (size_t) (argc + 3));
1300 memcpy(myargv, argv, (sizeof(char *) * (size_t) argc));
1303 while ((c = getopt(argc,
1305 "01A:aB:CcdEeFfGgIiKLlnpqR:rs:TtUuVv:w:x")) != -1) {
1322 _nc_disable_period = TRUE;
1323 use_extended_names(TRUE);
1334 outform = F_TERMCAP;
1336 if (sortmode == S_DEFAULT)
1337 sortmode = S_TERMCAP;
1345 compare = C_DIFFERENCE;
1373 outform = F_TERMINFO;
1374 if (sortmode == S_DEFAULT)
1375 sortmode = S_VARIABLE;
1380 init_analyze = TRUE;
1384 outform = F_VARIABLE;
1385 if (sortmode == S_DEFAULT)
1386 sortmode = S_VARIABLE;
1390 outform = F_TERMINFO;
1418 sortmode = S_NOSORT;
1419 else if (*optarg == 'i')
1420 sortmode = S_TERMINFO;
1421 else if (*optarg == 'l')
1422 sortmode = S_VARIABLE;
1423 else if (*optarg == 'c')
1424 sortmode = S_TERMCAP;
1426 (void) fprintf(stderr,
1427 "%s: unknown sort mode\n",
1429 ExitProgram(EXIT_FAILURE);
1439 _nc_disable_period = FALSE;
1440 suppress_untranslatable = TRUE;
1453 puts(curses_version());
1454 ExitProgram(EXIT_SUCCESS);
1457 itrace = (unsigned) optarg_to_number();
1458 set_trace_level(itrace);
1462 mwidth = optarg_to_number();
1467 use_extended_names(TRUE);
1476 maxterms = (size_t) (argc + 2 - optind);
1477 tfile = typeMalloc(path, maxterms);
1478 tname = typeCalloc(char *, maxterms);
1479 entries = typeCalloc(ENTRY, maxterms);
1484 fprintf(stderr, "%s: not enough memory\n", _nc_progname);
1485 ExitProgram(EXIT_FAILURE);
1488 /* by default, sort by terminfo name */
1489 if (sortmode == S_DEFAULT)
1490 sortmode = S_TERMINFO;
1492 /* set up for display */
1493 dump_init(tversion, outform, sortmode, mwidth, mheight, itrace, formatted);
1495 /* make sure we have at least one terminal name to work with */
1497 argv[argc++] = terminal_env();
1499 /* if user is after a comparison, make sure we have two entries */
1500 if (compare != C_DEFAULT && optind >= argc - 1)
1501 argv[argc++] = terminal_env();
1503 /* exactly two terminal names with no options means do -d */
1504 if (argc - optind == 2 && compare == C_DEFAULT)
1505 compare = C_DIFFERENCE;
1508 /* grab the entries */
1510 for (; optind < argc; optind++) {
1511 const char *directory = termcount ? restdir : firstdir;
1514 tname[termcount] = argv[optind];
1518 #if MIXEDCASE_FILENAMES
1519 #define LEAF_FMT "%c"
1521 #define LEAF_FMT "%02x"
1523 (void) sprintf(tfile[termcount], "%s/" LEAF_FMT "/%s",
1525 UChar(*argv[optind]), argv[optind]);
1527 (void) fprintf(stderr,
1528 "%s: reading entry %s from file %s\n",
1530 argv[optind], tfile[termcount]);
1532 status = _nc_read_file_entry(tfile[termcount],
1533 &entries[termcount].tterm);
1535 (void) fprintf(stderr, "%s: terminfo files not supported\n",
1538 ExitProgram(EXIT_FAILURE);
1542 (void) fprintf(stderr,
1543 "%s: reading entry %s from database\n",
1547 status = _nc_read_entry(tname[termcount],
1549 &entries[termcount].tterm);
1553 (void) fprintf(stderr,
1554 "%s: couldn't open terminfo file %s.\n",
1558 ExitProgram(EXIT_FAILURE);
1560 repair_acsc(&entries[termcount].tterm);
1566 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm);
1569 /* dump as C initializer for the terminal type */
1572 dump_termtype(&entries[0].tterm);
1574 dump_initializers(&entries[0].tterm);
1577 /* analyze the init strings */
1578 else if (init_analyze) {
1580 #define CUR entries[0].tterm.
1581 analyze_string("is1", init_1string, &entries[0].tterm);
1582 analyze_string("is2", init_2string, &entries[0].tterm);
1583 analyze_string("is3", init_3string, &entries[0].tterm);
1584 analyze_string("rs1", reset_1string, &entries[0].tterm);
1585 analyze_string("rs2", reset_2string, &entries[0].tterm);
1586 analyze_string("rs3", reset_3string, &entries[0].tterm);
1587 analyze_string("smcup", enter_ca_mode, &entries[0].tterm);
1588 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm);
1593 * Here's where the real work gets done
1598 (void) fprintf(stderr,
1599 "%s: about to dump %s\n",
1602 (void) printf("#\tReconstructed via infocmp from file: %s\n",
1604 dump_entry(&entries[0].tterm,
1605 suppress_untranslatable,
1611 (void) fprintf(stderr, "%s: length %d\n", _nc_progname, len);
1616 (void) fprintf(stderr, "%s: dumping differences\n", _nc_progname);
1617 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1618 compare_entry(compare_predicate, &entries->tterm, quiet);
1623 (void) fprintf(stderr,
1624 "%s: dumping common capabilities\n",
1626 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1627 compare_entry(compare_predicate, &entries->tterm, quiet);
1632 (void) fprintf(stderr,
1633 "%s: dumping differences\n",
1635 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1636 compare_entry(compare_predicate, &entries->tterm, quiet);
1641 (void) fprintf(stderr, "%s: dumping use entry\n", _nc_progname);
1642 dump_entry(&entries[0].tterm,
1643 suppress_untranslatable,
1647 for (i = 1; i < termcount; i++)
1648 dump_uses(tname[i], !(outform == F_TERMCAP
1649 || outform == F_TCONVERR));
1652 (void) fprintf(stderr, "%s: length %d\n", _nc_progname, len);
1656 } else if (compare == C_USEALL)
1657 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
1658 else if (compare == C_DEFAULT)
1659 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
1660 else if (argc - optind != 2)
1661 (void) fprintf(stderr,
1662 "File comparison needs exactly two file arguments.\n");
1664 file_comparison(argc - optind, argv + optind);
1667 ExitProgram(EXIT_SUCCESS);
1670 /* infocmp.c ends here */