1 /****************************************************************************
2 * Copyright (c) 1998-2006,2007 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
40 #include <progs.priv.h>
42 #include <dump_entry.h>
44 MODULE_ID("$Id: infocmp.c,v 1.86 2007/01/21 01:09:07 tom Exp $")
49 #define MAXTERMS 32 /* max # terminal arguments we can handle */
50 #define MAX_STRING 1024 /* maximum formatted string */
52 const char *_nc_progname = "infocmp";
54 typedef char path[PATH_MAX];
56 /***************************************************************************
58 * The following control variables, together with the contents of the
59 * terminfo entries, completely determine the actions of the program.
61 ***************************************************************************/
63 static char *tname[MAXTERMS]; /* terminal type names */
64 static ENTRY entries[MAXTERMS]; /* terminfo entries */
65 static int termcount; /* count of terminal entries */
67 static bool limited = TRUE; /* "-r" option is not set */
68 static bool quiet = FALSE;
69 static bool literal = FALSE;
70 static const char *bool_sep = ":";
71 static const char *s_absent = "NULL";
72 static const char *s_cancel = "NULL";
73 static const char *tversion; /* terminfo version selected */
74 static int itrace; /* trace flag for debugging */
75 static int mwidth = 60;
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();
100 _nc_free_and_exit(code);
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, unsigned length)
563 if (strncmp(table, param, length) == 0) {
564 result = !isdigit(UChar(param[length]));
570 lookup_params(const assoc * table, char *dst, char *src)
572 const char *ep = strtok(src, ";");
578 for (ap = table; ap->from; ap++) {
579 size_t tlen = strlen(ap->from);
581 if (same_param(ap->from, ep, tlen)) {
582 (void) strcat(dst, ap->to);
589 (void) strcat(dst, ep);
590 (void) strcat(dst, ";");
592 ((ep = strtok((char *) 0, ";")));
594 dst[strlen(dst) - 1] = '\0';
600 analyze_string(const char *name, const char *cap, TERMTYPE *tp)
602 char buf[MAX_TERMINFO_LENGTH];
603 char buf2[MAX_TERMINFO_LENGTH];
606 int tp_lines = tp->Numbers[2];
608 if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
610 (void) printf("%s: ", name);
613 for (sp = cap; *sp; sp++) {
618 const char *expansion = 0;
619 char buf3[MAX_TERMINFO_LENGTH];
621 /* first, check other capabilities in this entry */
622 for (i = 0; i < STRCOUNT; i++) {
623 char *cp = tp->Strings[i];
625 /* don't use soft-key capabilities */
626 if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
629 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp
632 (void) strncpy(buf2, sp, len);
635 if (_nc_capcmp(cp, buf2))
638 #define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
640 * Theoretically we just passed the test for translation
641 * (equality once the padding is stripped). However, there
642 * are a few more hoops that need to be jumped so that
643 * identical pairs of initialization and reset strings
644 * don't just refer to each other.
646 if (ISRS(name) || ISRS(strnames[i]))
651 expansion = strnames[i];
656 /* now check the standard capabilities */
659 for (ap = std_caps; ap->from; ap++) {
660 size_t adj = csi ? 2 : 0;
662 len = strlen(ap->from);
663 if (csi && skip_csi(ap->from) != csi)
666 && strncmp(ap->from + adj, sp + csi, len - adj) == 0) {
675 /* now check for standard-mode sequences */
677 && (csi = skip_csi(sp)) != 0
678 && (len = strspn(sp + csi, "0123456789;"))
679 && (next = csi + len)
680 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
682 (void) strcpy(buf2, (sp[next] == 'h') ? "ECMA+" : "ECMA-");
683 (void) strncpy(buf3, sp + csi, len);
687 expansion = lookup_params(std_modes, buf2, buf3);
690 /* now check for private-mode sequences */
692 && (csi = skip_csi(sp)) != 0
694 && (len = strspn(sp + csi + 1, "0123456789;"))
695 && (next = csi + 1 + len)
696 && ((sp[next] == 'h') || (sp[next] == 'l'))) {
698 (void) strcpy(buf2, (sp[next] == 'h') ? "DEC+" : "DEC-");
699 (void) strncpy(buf3, sp + csi + 1, len);
703 expansion = lookup_params(private_modes, buf2, buf3);
706 /* now check for ECMA highlight sequences */
708 && (csi = skip_csi(sp)) != 0
709 && (len = strspn(sp + csi, "0123456789;")) != 0
710 && (next = csi + len)
711 && sp[next] == 'm') {
713 (void) strcpy(buf2, "SGR:");
714 (void) strncpy(buf3, sp + csi, len);
718 expansion = lookup_params(ecma_highlights, buf2, buf3);
722 && (csi = skip_csi(sp)) != 0
725 (void) strcpy(buf2, "SGR:");
726 strcat(buf2, ecma_highlights[0].to);
730 /* now check for scroll region reset */
732 && (csi = skip_csi(sp)) != 0) {
733 if (sp[csi] == 'r') {
737 (void) sprintf(buf2, "1;%dr", tp_lines);
739 if (strncmp(buf2, sp + csi, len) == 0)
745 /* now check for home-down */
747 && (csi = skip_csi(sp)) != 0) {
748 (void) sprintf(buf2, "%d;1H", tp_lines);
750 if (strncmp(buf2, sp + csi, len) == 0) {
753 (void) sprintf(buf2, "%dH", tp_lines);
755 if (strncmp(buf2, sp + csi, len) == 0) {
762 /* now look at the expansion we got, if any */
764 (void) sprintf(buf + strlen(buf), "{%s}", expansion);
768 /* couldn't match anything */
771 (void) strcat(buf, TIC_EXPAND(buf2));
774 (void) printf("%s\n", buf);
777 /***************************************************************************
781 ***************************************************************************/
784 file_comparison(int argc, char *argv[])
787 /* someday we may allow comparisons on more files */
789 ENTRY *heads[MAXCOMPARE];
793 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
795 for (n = 0; n < argc && n < MAXCOMPARE; n++) {
796 if (freopen(argv[n], "r", stdin) == 0)
797 _nc_err_abort("Can't open %s", argv[n]);
799 _nc_head = _nc_tail = 0;
801 /* parse entries out of the source file */
802 _nc_set_source(argv[n]);
803 _nc_read_entry_source(stdin, NULL, TRUE, literal, NULLHOOK);
806 (void) fprintf(stderr, "Resolving file %d...\n", n - 0);
808 /* maybe do use resolution */
809 if (!_nc_resolve_uses2(!limited, literal)) {
810 (void) fprintf(stderr,
811 "There are unresolved use entries in %s:\n",
815 (void) fputs(qp->tterm.term_names, stderr);
816 (void) fputc('\n', stderr);
819 ExitProgram(EXIT_FAILURE);
822 heads[filecount] = _nc_head;
826 /* OK, all entries are in core. Ready to do the comparison */
828 (void) fprintf(stderr, "Entries are now in core...\n");
830 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */
831 for (qp = heads[0]; qp; qp = qp->next) {
832 for (rp = heads[1]; rp; rp = rp->next)
833 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
834 if (qp->ncrosslinks < MAX_CROSSLINKS)
835 qp->crosslinks[qp->ncrosslinks] = rp;
838 if (rp->ncrosslinks < MAX_CROSSLINKS)
839 rp->crosslinks[rp->ncrosslinks] = qp;
844 /* now we have two circular lists with crosslinks */
846 (void) fprintf(stderr, "Name matches are done...\n");
848 for (qp = heads[0]; qp; qp = qp->next) {
849 if (qp->ncrosslinks > 1) {
850 (void) fprintf(stderr,
851 "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
852 _nc_first_name(qp->tterm.term_names),
856 for (i = 0; i < qp->ncrosslinks; i++)
857 (void) fprintf(stderr,
859 _nc_first_name((qp->crosslinks[i])->tterm.term_names));
863 for (rp = heads[1]; rp; rp = rp->next) {
864 if (rp->ncrosslinks > 1) {
865 (void) fprintf(stderr,
866 "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
867 _nc_first_name(rp->tterm.term_names),
871 for (i = 0; i < rp->ncrosslinks; i++)
872 (void) fprintf(stderr,
874 _nc_first_name((rp->crosslinks[i])->tterm.term_names));
878 (void) printf("In file 1 (%s) only:\n", argv[0]);
879 for (qp = heads[0]; qp; qp = qp->next)
880 if (qp->ncrosslinks == 0)
881 (void) printf("\t%s\n",
882 _nc_first_name(qp->tterm.term_names));
884 (void) printf("In file 2 (%s) only:\n", argv[1]);
885 for (rp = heads[1]; rp; rp = rp->next)
886 if (rp->ncrosslinks == 0)
887 (void) printf("\t%s\n",
888 _nc_first_name(rp->tterm.term_names));
890 (void) printf("The following entries are equivalent:\n");
891 for (qp = heads[0]; qp; qp = qp->next) {
892 rp = qp->crosslinks[0];
894 if (qp->ncrosslinks == 1) {
895 rp = qp->crosslinks[0];
897 repair_acsc(&qp->tterm);
898 repair_acsc(&rp->tterm);
900 _nc_align_termtype(&qp->tterm, &rp->tterm);
902 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) {
903 char name1[NAMESIZE], name2[NAMESIZE];
905 (void) canonical_name(qp->tterm.term_names, name1);
906 (void) canonical_name(rp->tterm.term_names, name2);
908 (void) printf("%s = %s\n", name1, name2);
913 (void) printf("Differing entries:\n");
915 for (qp = heads[0]; qp; qp = qp->next) {
917 if (qp->ncrosslinks == 1) {
918 rp = qp->crosslinks[0];
920 /* sorry - we have to do this on each pass */
921 _nc_align_termtype(&qp->tterm, &rp->tterm);
923 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) {
924 char name1[NAMESIZE], name2[NAMESIZE];
929 (void) canonical_name(qp->tterm.term_names, name1);
930 (void) canonical_name(rp->tterm.term_names, name2);
935 (void) fprintf(stderr,
936 "infocmp: dumping differences\n");
937 (void) printf("comparing %s to %s.\n", name1, name2);
938 compare_entry(compare_predicate, &entries->tterm, quiet);
943 (void) fprintf(stderr,
944 "infocmp: dumping common capabilities\n");
945 (void) printf("comparing %s to %s.\n", name1, name2);
946 compare_entry(compare_predicate, &entries->tterm, quiet);
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);
966 static const char *tbl[] =
968 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
971 ," -1 print single-column"
972 ," -C use termcap-names"
973 ," -F compare terminfo-files"
974 ," -I use terminfo-names"
975 ," -L use long names"
976 ," -R subset (see manpage)"
977 ," -T eliminate size limits (test)"
978 ," -U eliminate post-processing of entries"
981 ," -a with -F, list commented-out caps"
983 ," -c list common capabilities"
984 ," -d list different capabilities"
985 ," -e format output for C initializer"
986 ," -E format output as C tables"
987 ," -f with -1, format complex strings"
988 ," -G format %{number} to %'char'"
989 ," -g format %'char' to %{number}"
990 ," -i analyze initialization/reset"
991 ," -l output terminfo names"
992 ," -n list capabilities in neither"
993 ," -p ignore padding specifiers"
994 ," -q brief listing, removes headers"
995 ," -r with -C, output in termcap form"
996 ," -r with -F, resolve use-references"
997 ," -s [d|i|l|c] sort fields"
999 ," -t suppress commented-out capabilities"
1001 ," -u produce source with 'use='"
1002 ," -v number (verbose)"
1003 ," -w number (width)"
1005 ," -x treat unknown capabilities as user-defined"
1008 const size_t first = 3;
1009 const size_t last = SIZEOF(tbl);
1010 const size_t left = (last - first + 1) / 2 + first;
1013 for (n = 0; n < left; n++) {
1014 size_t m = (n < first) ? last : n + left - first;
1016 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
1018 fprintf(stderr, "%s\n", tbl[n]);
1020 ExitProgram(EXIT_FAILURE);
1024 any_initializer(const char *fmt, const char *type)
1026 static char *initializer;
1029 if (initializer == 0)
1030 initializer = (char *) malloc(strlen(entries->tterm.term_names) +
1031 strlen(type) + strlen(fmt));
1033 (void) strcpy(initializer, entries->tterm.term_names);
1034 for (s = initializer; *s != 0 && *s != '|'; s++) {
1035 if (!isalnum(UChar(*s)))
1039 (void) sprintf(s, fmt, type);
1044 name_initializer(const char *type)
1046 return any_initializer("_%s_data", type);
1050 string_variable(const char *type)
1052 return any_initializer("_s_%s", type);
1055 /* dump C initializers for the terminal type */
1057 dump_initializers(TERMTYPE *term)
1061 const char *str = 0;
1063 printf("\nstatic char %s[] = \"%s\";\n\n",
1064 name_initializer("alias"), entries->tterm.term_names);
1066 for_each_string(n, term) {
1067 char buf[MAX_STRING], *sp, *tp;
1069 if (VALID_STRING(term->Strings[n])) {
1072 for (sp = term->Strings[n];
1073 *sp != 0 && (tp - buf) < MAX_STRING - 6;
1075 if (isascii(UChar(*sp))
1076 && isprint(UChar(*sp))
1081 (void) sprintf(tp, "\\%03o", UChar(*sp));
1087 size += (strlen(term->Strings[n]) + 1);
1088 (void) printf("static char %-20s[] = %s;\n",
1089 string_variable(ExtStrname(term, n, strnames)), buf);
1094 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL);
1096 for_each_boolean(n, term) {
1097 switch ((int) (term->Booleans[n])) {
1106 case ABSENT_BOOLEAN:
1107 str = "ABSENT_BOOLEAN";
1110 case CANCELLED_BOOLEAN:
1111 str = "CANCELLED_BOOLEAN";
1114 (void) printf("\t/* %3u: %-8s */\t%s,\n",
1115 n, ExtBoolname(term, n, boolnames), str);
1117 (void) printf("%s;\n", R_CURL);
1119 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL);
1121 for_each_number(n, term) {
1123 switch (term->Numbers[n]) {
1124 case ABSENT_NUMERIC:
1125 str = "ABSENT_NUMERIC";
1127 case CANCELLED_NUMERIC:
1128 str = "CANCELLED_NUMERIC";
1131 sprintf(buf, "%d", term->Numbers[n]);
1135 (void) printf("\t/* %3u: %-8s */\t%s,\n", n,
1136 ExtNumname(term, n, numnames), str);
1138 (void) printf("%s;\n", R_CURL);
1140 size = (sizeof(TERMTYPE)
1141 + (NUM_BOOLEANS(term) * sizeof(term->Booleans[0]))
1142 + (NUM_NUMBERS(term) * sizeof(term->Numbers[0])));
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");
1217 #endif /* NCURSES_XNAMES */
1218 (void) printf("\t%s\n", R_CURL);
1222 optarg_to_number(void)
1225 long value = strtol(optarg, &temp, 0);
1227 if (temp == 0 || temp == optarg || *temp != 0) {
1228 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg);
1229 ExitProgram(EXIT_FAILURE);
1239 if ((terminal = getenv("TERM")) == 0) {
1240 (void) fprintf(stderr,
1241 "infocmp: environment variable TERM not set\n");
1247 /***************************************************************************
1251 ***************************************************************************/
1254 main(int argc, char *argv[])
1256 char *firstdir, *restdir;
1257 /* Avoid "local data >32k" error with mwcc */
1258 /* Also avoid overflowing smaller stacks on systems like AmigaOS */
1259 path *tfile = (path *) malloc(sizeof(path) * MAXTERMS);
1261 bool formatted = FALSE;
1262 bool filecompare = FALSE;
1264 bool init_analyze = FALSE;
1265 bool suppress_untranslatable = FALSE;
1267 /* where is the terminfo database location going to default to? */
1268 restdir = firstdir = 0;
1271 use_extended_names(FALSE);
1274 while ((c = getopt(argc,
1276 "1A:aB:CcdEeFfGgIiLlnpqR:rs:TtUuVv:w:x")) != EOF) {
1288 _nc_disable_period = TRUE;
1289 use_extended_names(TRUE);
1297 outform = F_TERMCAP;
1299 if (sortmode == S_DEFAULT)
1300 sortmode = S_TERMCAP;
1308 compare = C_DIFFERENCE;
1336 outform = F_TERMINFO;
1337 if (sortmode == S_DEFAULT)
1338 sortmode = S_VARIABLE;
1343 init_analyze = TRUE;
1347 outform = F_VARIABLE;
1348 if (sortmode == S_DEFAULT)
1349 sortmode = S_VARIABLE;
1353 outform = F_TERMINFO;
1382 sortmode = S_NOSORT;
1383 else if (*optarg == 'i')
1384 sortmode = S_TERMINFO;
1385 else if (*optarg == 'l')
1386 sortmode = S_VARIABLE;
1387 else if (*optarg == 'c')
1388 sortmode = S_TERMCAP;
1390 (void) fprintf(stderr,
1391 "infocmp: unknown sort mode\n");
1392 ExitProgram(EXIT_FAILURE);
1402 _nc_disable_period = FALSE;
1403 suppress_untranslatable = TRUE;
1416 puts(curses_version());
1417 ExitProgram(EXIT_SUCCESS);
1420 itrace = optarg_to_number();
1421 set_trace_level(itrace);
1425 mwidth = optarg_to_number();
1430 use_extended_names(TRUE);
1439 /* by default, sort by terminfo name */
1440 if (sortmode == S_DEFAULT)
1441 sortmode = S_TERMINFO;
1443 /* set up for display */
1444 dump_init(tversion, outform, sortmode, mwidth, itrace, formatted);
1446 /* make sure we have at least one terminal name to work with */
1448 argv[argc++] = terminal_env();
1450 /* if user is after a comparison, make sure we have two entries */
1451 if (compare != C_DEFAULT && optind >= argc - 1)
1452 argv[argc++] = terminal_env();
1454 /* exactly two terminal names with no options means do -d */
1455 if (argc - optind == 2 && compare == C_DEFAULT)
1456 compare = C_DIFFERENCE;
1459 /* grab the entries */
1461 for (; optind < argc; optind++) {
1462 if (termcount >= MAXTERMS) {
1463 (void) fprintf(stderr,
1464 "infocmp: too many terminal type arguments\n");
1465 ExitProgram(EXIT_FAILURE);
1467 const char *directory = termcount ? restdir : firstdir;
1470 tname[termcount] = argv[optind];
1474 (void) sprintf(tfile[termcount], "%s/%c/%s",
1476 *argv[optind], argv[optind]);
1478 (void) fprintf(stderr,
1479 "infocmp: reading entry %s from file %s\n",
1480 argv[optind], tfile[termcount]);
1482 status = _nc_read_file_entry(tfile[termcount],
1483 &entries[termcount].tterm);
1485 (void) fprintf(stderr, "terminfo files not supported\n");
1486 ExitProgram(EXIT_FAILURE);
1490 (void) fprintf(stderr,
1491 "infocmp: reading entry %s from database\n",
1494 status = _nc_read_entry(tname[termcount],
1496 &entries[termcount].tterm);
1497 directory = TERMINFO; /* for error message */
1501 (void) fprintf(stderr,
1502 "infocmp: couldn't open terminfo file %s.\n",
1504 ExitProgram(EXIT_FAILURE);
1506 repair_acsc(&entries[termcount].tterm);
1513 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm);
1516 /* dump as C initializer for the terminal type */
1519 dump_termtype(&entries[0].tterm);
1521 dump_initializers(&entries[0].tterm);
1524 /* analyze the init strings */
1525 else if (init_analyze) {
1527 #define CUR entries[0].tterm.
1528 analyze_string("is1", init_1string, &entries[0].tterm);
1529 analyze_string("is2", init_2string, &entries[0].tterm);
1530 analyze_string("is3", init_3string, &entries[0].tterm);
1531 analyze_string("rs1", reset_1string, &entries[0].tterm);
1532 analyze_string("rs2", reset_2string, &entries[0].tterm);
1533 analyze_string("rs3", reset_3string, &entries[0].tterm);
1534 analyze_string("smcup", enter_ca_mode, &entries[0].tterm);
1535 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm);
1540 * Here's where the real work gets done
1545 (void) fprintf(stderr,
1546 "infocmp: about to dump %s\n",
1548 (void) printf("#\tReconstructed via infocmp from file: %s\n",
1550 dump_entry(&entries[0].tterm,
1551 suppress_untranslatable,
1557 (void) fprintf(stderr, "infocmp: length %d\n", len);
1562 (void) fprintf(stderr, "infocmp: dumping differences\n");
1563 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1564 compare_entry(compare_predicate, &entries->tterm, quiet);
1569 (void) fprintf(stderr,
1570 "infocmp: dumping common capabilities\n");
1571 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1572 compare_entry(compare_predicate, &entries->tterm, quiet);
1577 (void) fprintf(stderr,
1578 "infocmp: dumping differences\n");
1579 (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
1580 compare_entry(compare_predicate, &entries->tterm, quiet);
1585 (void) fprintf(stderr, "infocmp: dumping use entry\n");
1586 dump_entry(&entries[0].tterm,
1587 suppress_untranslatable,
1591 for (i = 1; i < termcount; i++)
1592 dump_uses(tname[i], !(outform == F_TERMCAP
1593 || outform == F_TCONVERR));
1596 (void) fprintf(stderr, "infocmp: length %d\n", len);
1600 } else if (compare == C_USEALL)
1601 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
1602 else if (compare == C_DEFAULT)
1603 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
1604 else if (argc - optind != 2)
1605 (void) fprintf(stderr,
1606 "File comparison needs exactly two file arguments.\n");
1608 file_comparison(argc - optind, argv + optind);
1611 ExitProgram(EXIT_SUCCESS);
1614 /* infocmp.c ends here */