infocmp.c revision 1.18
1/* $OpenBSD: infocmp.c,v 1.18 2006/12/06 04:59:58 ray Exp $ */ 2 3/**************************************************************************** 4 * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31/**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 ****************************************************************************/ 35 36/* 37 * infocmp.c -- decompile an entry, or compare two entries 38 * written by Eric S. Raymond 39 */ 40 41#include <progs.priv.h> 42 43#include <term_entry.h> 44#include <dump_entry.h> 45 46MODULE_ID("$From: infocmp.c,v 1.60 2001/02/24 22:03:12 tom Exp $") 47 48#define L_CURL "{" 49#define R_CURL "}" 50 51#define MAXTERMS 32 /* max # terminal arguments we can handle */ 52#define MAX_STRING 1024 /* maximum formatted string */ 53 54const char *_nc_progname = "infocmp"; 55 56typedef char path[PATH_MAX]; 57 58/*************************************************************************** 59 * 60 * The following control variables, together with the contents of the 61 * terminfo entries, completely determine the actions of the program. 62 * 63 ***************************************************************************/ 64 65static char *tname[MAXTERMS]; /* terminal type names */ 66static ENTRY entries[MAXTERMS]; /* terminfo entries */ 67static int termcount; /* count of terminal entries */ 68 69static bool limited = TRUE; /* "-r" option is not set */ 70static bool quiet = FALSE; 71static const char *bool_sep = ":"; 72static const char *s_absent = "NULL"; 73static const char *s_cancel = "NULL"; 74static const char *tversion; /* terminfo version selected */ 75static int itrace; /* trace flag for debugging */ 76static int mwidth = 60; 77static int numbers = 0; /* format "%'char'" to/from "%{number}" */ 78static int outform = F_TERMINFO; /* output format */ 79static int sortmode; /* sort_mode */ 80 81/* main comparison mode */ 82static int compare; 83#define C_DEFAULT 0 /* don't force comparison mode */ 84#define C_DIFFERENCE 1 /* list differences between two terminals */ 85#define C_COMMON 2 /* list common capabilities */ 86#define C_NAND 3 /* list capabilities in neither terminal */ 87#define C_USEALL 4 /* generate relative use-form entry */ 88static bool ignorepads; /* ignore pad prefixes when diffing */ 89 90#if NO_LEAKS 91#undef ExitProgram 92static void 93ExitProgram(int code) GCC_NORETURN; 94/* prototype is to get gcc to accept the noreturn attribute */ 95 static void 96 ExitProgram(int code) 97{ 98 while (termcount-- > 0) 99 _nc_free_termtype(&entries[termcount].tterm); 100 _nc_leaks_dump_entry(); 101 _nc_free_and_exit(code); 102} 103#endif 104 105static char * 106canonical_name(char *ptr, char *buf, size_t bufl) 107/* extract the terminal type's primary name */ 108{ 109 char *bp; 110 111 (void) strlcpy(buf, ptr, bufl); 112 if ((bp = strchr(buf, '|')) != 0) 113 *bp = '\0'; 114 115 return (buf); 116} 117 118/*************************************************************************** 119 * 120 * Predicates for dump function 121 * 122 ***************************************************************************/ 123 124static int 125capcmp(int idx, const char *s, const char *t) 126/* capability comparison function */ 127{ 128 if (!VALID_STRING(s) && !VALID_STRING(t)) 129 return (s != t); 130 else if (!VALID_STRING(s) || !VALID_STRING(t)) 131 return (1); 132 133 if ((idx == acs_chars_index) || !ignorepads) 134 return (strcmp(s, t)); 135 else 136 return (_nc_capcmp(s, t)); 137} 138 139static int 140use_predicate(int type, int idx) 141/* predicate function to use for use decompilation */ 142{ 143 ENTRY *ep; 144 145 switch (type) { 146 case BOOLEAN: 147 { 148 int is_set = FALSE; 149 150 /* 151 * This assumes that multiple use entries are supposed 152 * to contribute the logical or of their boolean capabilities. 153 * This is true if we take the semantics of multiple uses to 154 * be 'each capability gets the first non-default value found 155 * in the sequence of use entries'. 156 * 157 * Note that cancelled or absent booleans are stored as FALSE, 158 * unlike numbers and strings, whose cancelled/absent state is 159 * recorded in the terminfo database. 160 */ 161 for (ep = &entries[1]; ep < entries + termcount; ep++) 162 if (ep->tterm.Booleans[idx] == TRUE) { 163 is_set = entries[0].tterm.Booleans[idx]; 164 break; 165 } 166 if (is_set != entries[0].tterm.Booleans[idx]) 167 return (!is_set); 168 else 169 return (FAIL); 170 } 171 172 case NUMBER: 173 { 174 int value = ABSENT_NUMERIC; 175 176 /* 177 * We take the semantics of multiple uses to be 'each 178 * capability gets the first non-default value found 179 * in the sequence of use entries'. 180 */ 181 for (ep = &entries[1]; ep < entries + termcount; ep++) 182 if (VALID_NUMERIC(ep->tterm.Numbers[idx])) { 183 value = ep->tterm.Numbers[idx]; 184 break; 185 } 186 187 if (value != entries[0].tterm.Numbers[idx]) 188 return (value != ABSENT_NUMERIC); 189 else 190 return (FAIL); 191 } 192 193 case STRING: 194 { 195 char *termstr, *usestr = ABSENT_STRING; 196 197 termstr = entries[0].tterm.Strings[idx]; 198 199 /* 200 * We take the semantics of multiple uses to be 'each 201 * capability gets the first non-default value found 202 * in the sequence of use entries'. 203 */ 204 for (ep = &entries[1]; ep < entries + termcount; ep++) 205 if (ep->tterm.Strings[idx]) { 206 usestr = ep->tterm.Strings[idx]; 207 break; 208 } 209 210 if (usestr == ABSENT_STRING && termstr == ABSENT_STRING) 211 return (FAIL); 212 else if (!usestr || !termstr || capcmp(idx, usestr, termstr)) 213 return (TRUE); 214 else 215 return (FAIL); 216 } 217 } 218 219 return (FALSE); /* pacify compiler */ 220} 221 222static bool 223useeq(ENTRY * e1, ENTRY * e2) 224/* are the use references in two entries equivalent? */ 225{ 226 int i, j; 227 228 if (e1->nuses != e2->nuses) 229 return (FALSE); 230 231 /* Ugh...this is quadratic again */ 232 for (i = 0; i < e1->nuses; i++) { 233 bool foundmatch = FALSE; 234 235 /* search second entry for given use reference */ 236 for (j = 0; j < e2->nuses; j++) 237 if (!strcmp(e1->uses[i].name, e2->uses[j].name)) { 238 foundmatch = TRUE; 239 break; 240 } 241 242 if (!foundmatch) 243 return (FALSE); 244 } 245 246 return (TRUE); 247} 248 249static bool 250entryeq(TERMTYPE * t1, TERMTYPE * t2) 251/* are two entries equivalent? */ 252{ 253 int i; 254 255 for (i = 0; i < NUM_BOOLEANS(t1); i++) 256 if (t1->Booleans[i] != t2->Booleans[i]) 257 return (FALSE); 258 259 for (i = 0; i < NUM_NUMBERS(t1); i++) 260 if (t1->Numbers[i] != t2->Numbers[i]) 261 return (FALSE); 262 263 for (i = 0; i < NUM_STRINGS(t1); i++) 264 if (capcmp(i, t1->Strings[i], t2->Strings[i])) 265 return (FALSE); 266 267 return (TRUE); 268} 269 270#define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers) 271 272static void 273print_uses(ENTRY * ep, FILE * fp) 274/* print an entry's use references */ 275{ 276 int i; 277 278 if (!ep->nuses) 279 fputs("NULL", fp); 280 else 281 for (i = 0; i < ep->nuses; i++) { 282 fputs(ep->uses[i].name, fp); 283 if (i < ep->nuses - 1) 284 fputs(" ", fp); 285 } 286} 287 288static const char * 289dump_boolean(int val) 290/* display the value of a boolean capability */ 291{ 292 switch (val) { 293 case ABSENT_BOOLEAN: 294 return (s_absent); 295 case CANCELLED_BOOLEAN: 296 return (s_cancel); 297 case FALSE: 298 return ("F"); 299 case TRUE: 300 return ("T"); 301 default: 302 return ("?"); 303 } 304} 305 306static void 307dump_numeric(int val, char *buf, size_t bufl) 308/* display the value of a boolean capability */ 309{ 310 switch (val) { 311 case ABSENT_NUMERIC: 312 strlcpy(buf, s_absent, bufl); 313 break; 314 case CANCELLED_NUMERIC: 315 strlcpy(buf, s_cancel, bufl); 316 break; 317 default: 318 snprintf(buf, bufl, "%d", val); 319 break; 320 } 321} 322 323static void 324dump_string(char *val, char *buf, size_t bufl) 325/* display the value of a string capability */ 326{ 327 if (val == ABSENT_STRING) 328 strlcpy(buf, s_absent, bufl); 329 else if (val == CANCELLED_STRING) 330 strlcpy(buf, s_cancel, bufl); 331 else { 332 snprintf(buf, bufl, "'%.*s'", MAX_STRING - 3, TIC_EXPAND(val)); 333 } 334} 335 336static void 337compare_predicate(int type, int idx, const char *name) 338/* predicate function to use for entry difference reports */ 339{ 340 ENTRY *e1 = &entries[0]; 341 ENTRY *e2 = &entries[1]; 342 char buf1[MAX_STRING], buf2[MAX_STRING]; 343 int b1, b2; 344 int n1, n2; 345 char *s1, *s2; 346 347 switch (type) { 348 case CMP_BOOLEAN: 349 b1 = e1->tterm.Booleans[idx]; 350 b2 = e2->tterm.Booleans[idx]; 351 switch (compare) { 352 case C_DIFFERENCE: 353 if (!(b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) && b1 != b2) 354 (void) printf("\t%s: %s%s%s.\n", 355 name, 356 dump_boolean(b1), 357 bool_sep, 358 dump_boolean(b2)); 359 break; 360 361 case C_COMMON: 362 if (b1 == b2 && b1 != ABSENT_BOOLEAN) 363 (void) printf("\t%s= %s.\n", name, dump_boolean(b1)); 364 break; 365 366 case C_NAND: 367 if (b1 == ABSENT_BOOLEAN && b2 == ABSENT_BOOLEAN) 368 (void) printf("\t!%s.\n", name); 369 break; 370 } 371 break; 372 373 case CMP_NUMBER: 374 n1 = e1->tterm.Numbers[idx]; 375 n2 = e2->tterm.Numbers[idx]; 376 dump_numeric(n1, buf1, sizeof buf1); 377 dump_numeric(n2, buf2, sizeof buf2); 378 switch (compare) { 379 case C_DIFFERENCE: 380 if (!((n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC)) && n1 != n2) 381 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2); 382 break; 383 384 case C_COMMON: 385 if (n1 != ABSENT_NUMERIC && n2 != ABSENT_NUMERIC && n1 == n2) 386 (void) printf("\t%s= %s.\n", name, buf1); 387 break; 388 389 case C_NAND: 390 if (n1 == ABSENT_NUMERIC && n2 == ABSENT_NUMERIC) 391 (void) printf("\t!%s.\n", name); 392 break; 393 } 394 break; 395 396 case CMP_STRING: 397 s1 = e1->tterm.Strings[idx]; 398 s2 = e2->tterm.Strings[idx]; 399 switch (compare) { 400 case C_DIFFERENCE: 401 if (capcmp(idx, s1, s2)) { 402 dump_string(s1, buf1, sizeof buf1); 403 dump_string(s2, buf2, sizeof buf2); 404 if (strcmp(buf1, buf2)) 405 (void) printf("\t%s: %s, %s.\n", name, buf1, buf2); 406 } 407 break; 408 409 case C_COMMON: 410 if (s1 && s2 && !capcmp(idx, s1, s2)) 411 (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1)); 412 break; 413 414 case C_NAND: 415 if (!s1 && !s2) 416 (void) printf("\t!%s.\n", name); 417 break; 418 } 419 break; 420 421 case CMP_USE: 422 /* unlike the other modes, this compares *all* use entries */ 423 switch (compare) { 424 case C_DIFFERENCE: 425 if (!useeq(e1, e2)) { 426 (void) fputs("\tuse: ", stdout); 427 print_uses(e1, stdout); 428 fputs(", ", stdout); 429 print_uses(e2, stdout); 430 fputs(".\n", stdout); 431 } 432 break; 433 434 case C_COMMON: 435 if (e1->nuses && e2->nuses && useeq(e1, e2)) { 436 (void) fputs("\tuse: ", stdout); 437 print_uses(e1, stdout); 438 fputs(".\n", stdout); 439 } 440 break; 441 442 case C_NAND: 443 if (!e1->nuses && !e2->nuses) 444 (void) printf("\t!use.\n"); 445 break; 446 } 447 } 448} 449 450/*************************************************************************** 451 * 452 * Init string analysis 453 * 454 ***************************************************************************/ 455 456typedef struct { 457 const char *from; 458 const char *to; 459} assoc; 460 461static const assoc std_caps[] = 462{ 463 /* these are specified by X.364 and iBCS2 */ 464 {"\033c", "RIS"}, /* full reset */ 465 {"\0337", "SC"}, /* save cursor */ 466 {"\0338", "RC"}, /* restore cursor */ 467 {"\033[r", "RSR"}, /* not an X.364 mnemonic */ 468 {"\033[m", "SGR0"}, /* not an X.364 mnemonic */ 469 {"\033[2J", "ED2"}, /* clear page */ 470 471 /* this group is specified by ISO 2022 */ 472 {"\033(0", "ISO DEC G0"}, /* enable DEC graphics for G0 */ 473 {"\033(A", "ISO UK G0"}, /* enable UK chars for G0 */ 474 {"\033(B", "ISO US G0"}, /* enable US chars for G0 */ 475 {"\033)0", "ISO DEC G1"}, /* enable DEC graphics for G1 */ 476 {"\033)A", "ISO UK G1"}, /* enable UK chars for G1 */ 477 {"\033)B", "ISO US G1"}, /* enable US chars for G1 */ 478 479 /* these are DEC private modes widely supported by emulators */ 480 {"\033=", "DECPAM"}, /* application keypad mode */ 481 {"\033>", "DECPNM"}, /* normal keypad mode */ 482 {"\033<", "DECANSI"}, /* enter ANSI mode */ 483 484 {(char *) 0, (char *) 0} 485}; 486 487static const assoc private_modes[] = 488/* DEC \E[ ... [hl] modes recognized by many emulators */ 489{ 490 {"1", "CKM"}, /* application cursor keys */ 491 {"2", "ANM"}, /* set VT52 mode */ 492 {"3", "COLM"}, /* 132-column mode */ 493 {"4", "SCLM"}, /* smooth scroll */ 494 {"5", "SCNM"}, /* reverse video mode */ 495 {"6", "OM"}, /* origin mode */ 496 {"7", "AWM"}, /* wraparound mode */ 497 {"8", "ARM"}, /* auto-repeat mode */ 498 {(char *) 0, (char *) 0} 499}; 500 501static const assoc ecma_highlights[] = 502/* recognize ECMA attribute sequences */ 503{ 504 {"0", "NORMAL"}, /* normal */ 505 {"1", "+BOLD"}, /* bold on */ 506 {"2", "+DIM"}, /* dim on */ 507 {"3", "+ITALIC"}, /* italic on */ 508 {"4", "+UNDERLINE"}, /* underline on */ 509 {"5", "+BLINK"}, /* blink on */ 510 {"6", "+FASTBLINK"}, /* fastblink on */ 511 {"7", "+REVERSE"}, /* reverse on */ 512 {"8", "+INVISIBLE"}, /* invisible on */ 513 {"9", "+DELETED"}, /* deleted on */ 514 {"10", "MAIN-FONT"}, /* select primary font */ 515 {"11", "ALT-FONT-1"}, /* select alternate font 1 */ 516 {"12", "ALT-FONT-2"}, /* select alternate font 2 */ 517 {"13", "ALT-FONT-3"}, /* select alternate font 3 */ 518 {"14", "ALT-FONT-4"}, /* select alternate font 4 */ 519 {"15", "ALT-FONT-5"}, /* select alternate font 5 */ 520 {"16", "ALT-FONT-6"}, /* select alternate font 6 */ 521 {"17", "ALT-FONT-7"}, /* select alternate font 7 */ 522 {"18", "ALT-FONT-1"}, /* select alternate font 1 */ 523 {"19", "ALT-FONT-1"}, /* select alternate font 1 */ 524 {"20", "FRAKTUR"}, /* Fraktur font */ 525 {"21", "DOUBLEUNDER"}, /* double underline */ 526 {"22", "-DIM"}, /* dim off */ 527 {"23", "-ITALIC"}, /* italic off */ 528 {"24", "-UNDERLINE"}, /* underline off */ 529 {"25", "-BLINK"}, /* blink off */ 530 {"26", "-FASTBLINK"}, /* fastblink off */ 531 {"27", "-REVERSE"}, /* reverse off */ 532 {"28", "-INVISIBLE"}, /* invisible off */ 533 {"29", "-DELETED"}, /* deleted off */ 534 {(char *) 0, (char *) 0} 535}; 536 537static void 538analyze_string(const char *name, const char *cap, TERMTYPE * tp) 539{ 540 char buf[MAX_TERMINFO_LENGTH]; 541 char buf2[MAX_TERMINFO_LENGTH]; 542 const char *sp, *ep; 543 const assoc *ap; 544 545 if (cap == ABSENT_STRING || cap == CANCELLED_STRING) 546 return; 547 (void) printf("%s: ", name); 548 549 buf[0] = '\0'; 550 for (sp = cap; *sp; sp++) { 551 int i; 552 size_t len = 0; 553 const char *expansion = 0; 554 555 /* first, check other capabilities in this entry */ 556 for (i = 0; i < STRCOUNT; i++) { 557 char *cp = tp->Strings[i]; 558 559 /* don't use soft-key capabilities */ 560 if (strnames[i][0] == 'k' && strnames[i][0] == 'f') 561 continue; 562 563 if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp 564 != cap) { 565 len = strlen(cp); 566 (void) strncpy(buf2, sp, len); 567 buf2[len] = '\0'; 568 569 if (_nc_capcmp(cp, buf2)) 570 continue; 571 572#define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2)) 573 /* 574 * Theoretically we just passed the test for translation 575 * (equality once the padding is stripped). However, there 576 * are a few more hoops that need to be jumped so that 577 * identical pairs of initialization and reset strings 578 * don't just refer to each other. 579 */ 580 if (ISRS(name) || ISRS(strnames[i])) 581 if (cap < cp) 582 continue; 583#undef ISRS 584 585 expansion = strnames[i]; 586 break; 587 } 588 } 589 590 /* now check the standard capabilities */ 591 if (!expansion) 592 for (ap = std_caps; ap->from; ap++) { 593 len = strlen(ap->from); 594 595 if (strncmp(ap->from, sp, len) == 0) { 596 expansion = ap->to; 597 break; 598 } 599 } 600 601 /* now check for private-mode sequences */ 602 if (!expansion 603 && sp[0] == '\033' && sp[1] == '[' && sp[2] == '?' 604 && (len = strspn(sp + 3, "0123456789;")) 605 && ((sp[3 + len] == 'h') || (sp[3 + len] == 'l'))) { 606 char buf3[MAX_TERMINFO_LENGTH]; 607 608 (void) strlcpy(buf2, (sp[3 + len] == 'h') ? "DEC+" : "DEC-", 609 sizeof buf2); 610 (void) strncpy(buf3, sp + 3, len); 611 len += 4; 612 buf3[len] = '\0'; 613 614 ep = strtok(buf3, ";"); 615 do { 616 bool found = FALSE; 617 618 for (ap = private_modes; ap->from; ap++) { 619 size_t tlen = strlen(ap->from); 620 621 if (strncmp(ap->from, ep, tlen) == 0) { 622 (void) strlcat(buf2, ap->to, sizeof buf2); 623 found = TRUE; 624 break; 625 } 626 } 627 628 if (!found) 629 (void) strlcat(buf2, ep, sizeof buf2); 630 (void) strlcat(buf2, ";", sizeof buf2); 631 } while 632 ((ep = strtok((char *) 0, ";"))); 633 if (buf2[0] != '\0' && buf2[strlen(buf2) - 1] == ';') 634 buf2[strlen(buf2) - 1] = '\0'; 635 expansion = buf2; 636 } 637 638 /* now check for ECMA highlight sequences */ 639 if (!expansion 640 && sp[0] == '\033' && sp[1] == '[' 641 && (len = strspn(sp + 2, "0123456789;")) 642 && sp[2 + len] == 'm') { 643 char buf3[MAX_TERMINFO_LENGTH]; 644 645 (void) strlcpy(buf2, "SGR:", sizeof buf2); 646 (void) strncpy(buf3, sp + 2, len); 647 len += 3; 648 buf3[len] = '\0'; 649 650 ep = strtok(buf3, ";"); 651 do { 652 bool found = FALSE; 653 654 for (ap = ecma_highlights; ap->from; ap++) { 655 size_t tlen = strlen(ap->from); 656 657 if (strncmp(ap->from, ep, tlen) == 0) { 658 (void) strlcat(buf2, ap->to, sizeof buf2); 659 found = TRUE; 660 break; 661 } 662 } 663 664 if (!found) 665 (void) strlcat(buf2, ep, sizeof buf2); 666 (void) strlcat(buf2, ";", sizeof buf2); 667 } while 668 ((ep = strtok((char *) 0, ";"))); 669 670 if (buf2[0] != '\0' && buf2[strlen(buf2) - 1] == ';') 671 buf2[strlen(buf2) - 1] = '\0'; 672 expansion = buf2; 673 } 674 /* now check for scroll region reset */ 675 if (!expansion) { 676 (void) snprintf(buf2, sizeof buf2, "\033[1;%dr", tp->Numbers[2]); 677 len = strlen(buf2); 678 if (strncmp(buf2, sp, len) == 0) 679 expansion = "RSR"; 680 } 681 682 /* now check for home-down */ 683 if (!expansion) { 684 (void) snprintf(buf2, sizeof buf2, "\033[%d;1H", tp->Numbers[2]); 685 len = strlen(buf2); 686 if (strncmp(buf2, sp, len) == 0) 687 expansion = "LL"; 688 } 689 690 /* now look at the expansion we got, if any */ 691 if (expansion) { 692 (void) snprintf(buf + strlen(buf), sizeof buf - strlen(buf), 693 "{%s}", expansion); 694 sp += len - 1; 695 continue; 696 } else { 697 /* couldn't match anything */ 698 buf2[0] = *sp; 699 buf2[1] = '\0'; 700 (void) strlcat(buf, TIC_EXPAND(buf2), sizeof buf); 701 } 702 } 703 (void) printf("%s\n", buf); 704} 705 706/*************************************************************************** 707 * 708 * File comparison 709 * 710 ***************************************************************************/ 711 712static void 713file_comparison(int argc, char *argv[]) 714{ 715#define MAXCOMPARE 2 716 /* someday we may allow comparisons on more files */ 717 int filecount = 0; 718 ENTRY *heads[MAXCOMPARE]; 719 ENTRY *qp, *rp; 720 int i, n; 721 722 dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE); 723 724 for (n = 0; n < argc && n < MAXCOMPARE; n++) { 725 if (freopen(argv[n], "r", stdin) == 0) 726 _nc_err_abort("Can't open %s", argv[n]); 727 728 _nc_head = _nc_tail = 0; 729 730 /* parse entries out of the source file */ 731 _nc_set_source(argv[n]); 732 _nc_read_entry_source(stdin, NULL, TRUE, FALSE, NULLHOOK); 733 734 if (itrace) 735 (void) fprintf(stderr, "Resolving file %d...\n", n - 0); 736 737 /* maybe do use resolution */ 738 if (!_nc_resolve_uses(!limited)) { 739 (void) fprintf(stderr, 740 "There are unresolved use entries in %s:\n", 741 argv[n]); 742 for_entry_list(qp) { 743 if (qp->nuses) { 744 (void) fputs(qp->tterm.term_names, stderr); 745 (void) fputc('\n', stderr); 746 } 747 } 748 exit(EXIT_FAILURE); 749 } 750 751 heads[filecount] = _nc_head; 752 filecount++; 753 } 754 755 /* OK, all entries are in core. Ready to do the comparison */ 756 if (itrace) 757 (void) fprintf(stderr, "Entries are now in core...\n"); 758 759 /* The entry-matching loop. Sigh, this is intrinsically quadratic. */ 760 for (qp = heads[0]; qp; qp = qp->next) { 761 for (rp = heads[1]; rp; rp = rp->next) 762 if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) { 763 if (qp->ncrosslinks < MAX_CROSSLINKS) 764 qp->crosslinks[qp->ncrosslinks] = rp; 765 qp->ncrosslinks++; 766 767 if (rp->ncrosslinks < MAX_CROSSLINKS) 768 rp->crosslinks[rp->ncrosslinks] = qp; 769 rp->ncrosslinks++; 770 } 771 } 772 773 /* now we have two circular lists with crosslinks */ 774 if (itrace) 775 (void) fprintf(stderr, "Name matches are done...\n"); 776 777 for (qp = heads[0]; qp; qp = qp->next) { 778 if (qp->ncrosslinks > 1) { 779 (void) fprintf(stderr, 780 "%s in file 1 (%s) has %d matches in file 2 (%s):\n", 781 _nc_first_name(qp->tterm.term_names), 782 argv[0], 783 qp->ncrosslinks, 784 argv[1]); 785 for (i = 0; i < qp->ncrosslinks; i++) 786 (void) fprintf(stderr, 787 "\t%s\n", 788 _nc_first_name((qp->crosslinks[i])->tterm.term_names)); 789 } 790 } 791 792 for (rp = heads[1]; rp; rp = rp->next) { 793 if (rp->ncrosslinks > 1) { 794 (void) fprintf(stderr, 795 "%s in file 2 (%s) has %d matches in file 1 (%s):\n", 796 _nc_first_name(rp->tterm.term_names), 797 argv[1], 798 rp->ncrosslinks, 799 argv[0]); 800 for (i = 0; i < rp->ncrosslinks; i++) 801 (void) fprintf(stderr, 802 "\t%s\n", 803 _nc_first_name((rp->crosslinks[i])->tterm.term_names)); 804 } 805 } 806 807 (void) printf("In file 1 (%s) only:\n", argv[0]); 808 for (qp = heads[0]; qp; qp = qp->next) 809 if (qp->ncrosslinks == 0) 810 (void) printf("\t%s\n", 811 _nc_first_name(qp->tterm.term_names)); 812 813 (void) printf("In file 2 (%s) only:\n", argv[1]); 814 for (rp = heads[1]; rp; rp = rp->next) 815 if (rp->ncrosslinks == 0) 816 (void) printf("\t%s\n", 817 _nc_first_name(rp->tterm.term_names)); 818 819 (void) printf("The following entries are equivalent:\n"); 820 for (qp = heads[0]; qp; qp = qp->next) { 821 rp = qp->crosslinks[0]; 822 823 if (qp->ncrosslinks == 1) { 824 rp = qp->crosslinks[0]; 825 826 repair_acsc(&qp->tterm); 827 repair_acsc(&rp->tterm); 828#if NCURSES_XNAMES 829 _nc_align_termtype(&qp->tterm, &rp->tterm); 830#endif 831 if (entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp)) { 832 char name1[NAMESIZE], name2[NAMESIZE]; 833 834 (void) canonical_name(qp->tterm.term_names, name1, sizeof name1); 835 (void) canonical_name(rp->tterm.term_names, name2, sizeof name2); 836 837 (void) printf("%s = %s\n", name1, name2); 838 } 839 } 840 } 841 842 (void) printf("Differing entries:\n"); 843 termcount = 2; 844 for (qp = heads[0]; qp; qp = qp->next) { 845 846 if (qp->ncrosslinks == 1) { 847 rp = qp->crosslinks[0]; 848#if NCURSES_XNAMES 849 /* sorry - we have to do this on each pass */ 850 _nc_align_termtype(&qp->tterm, &rp->tterm); 851#endif 852 if (!(entryeq(&qp->tterm, &rp->tterm) && useeq(qp, rp))) { 853 char name1[NAMESIZE], name2[NAMESIZE]; 854 855 entries[0] = *qp; 856 entries[1] = *rp; 857 858 (void) canonical_name(qp->tterm.term_names, name1, sizeof name1); 859 (void) canonical_name(rp->tterm.term_names, name2, sizeof name2); 860 861 switch (compare) { 862 case C_DIFFERENCE: 863 if (itrace) 864 (void) fprintf(stderr, 865 "infocmp: dumping differences\n"); 866 (void) printf("comparing %s to %s.\n", name1, name2); 867 compare_entry(compare_predicate, &entries->tterm, quiet); 868 break; 869 870 case C_COMMON: 871 if (itrace) 872 (void) fprintf(stderr, 873 "infocmp: dumping common capabilities\n"); 874 (void) printf("comparing %s to %s.\n", name1, name2); 875 compare_entry(compare_predicate, &entries->tterm, quiet); 876 break; 877 878 case C_NAND: 879 if (itrace) 880 (void) fprintf(stderr, 881 "infocmp: dumping differences\n"); 882 (void) printf("comparing %s to %s.\n", name1, name2); 883 compare_entry(compare_predicate, &entries->tterm, quiet); 884 break; 885 886 } 887 } 888 } 889 } 890} 891 892static void 893usage(void) 894{ 895 static const char *tbl[] = 896 { 897 "Usage: infocmp [options] [-A directory] [-B directory] [termname...]" 898 ,"" 899 ,"Options:" 900 ," -1 print single-column" 901 ," -C use termcap-names" 902 ," -F compare terminfo-files" 903 ," -I use terminfo-names" 904 ," -L use long names" 905 ," -R subset (see manpage)" 906 ," -T eliminate size limits (test)" 907 ," -V print version" 908#if NCURSES_XNAMES 909 ," -a with -F, list commented-out caps" 910#endif 911 ," -c list common capabilities" 912 ," -d list different capabilities" 913 ," -e format output for C initializer" 914 ," -E format output as C tables" 915 ," -f with -1, format complex strings" 916 ," -G format %{number} to %'char'" 917 ," -g format %'char' to %{number}" 918 ," -i analyze initialization/reset" 919 ," -l output terminfo names" 920 ," -n list capabilities in neither" 921 ," -p ignore padding specifiers" 922 ," -q brief listing, removes headers" 923 ," -r with -C, output in termcap form" 924 ," -r with -F, resolve use-references" 925 ," -s [d|i|l|c] sort fields" 926 ," -u produce source with 'use='" 927 ," -v number (verbose)" 928 ," -w number (width)" 929 }; 930 const size_t first = 3; 931 const size_t last = SIZEOF(tbl); 932 const size_t left = (last - first + 1) / 2 + first; 933 size_t n; 934 935 for (n = 0; n < left; n++) { 936 size_t m = (n < first) ? last : n + left - first; 937 if (m < last) 938 fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]); 939 else 940 fprintf(stderr, "%s\n", tbl[n]); 941 } 942 exit(EXIT_FAILURE); 943} 944 945static char * 946name_initializer(const char *type) 947{ 948 static char *initializer; 949 static size_t len; 950 char *s; 951 952 if (initializer == 0) { 953 len = strlen(entries->tterm.term_names) + 20; 954 initializer = (char *) malloc(len); 955 } 956 957 (void) snprintf(initializer, len, "%s_data_%s", type, entries->tterm.term_names); 958 for (s = initializer; *s != 0 && *s != '|'; s++) { 959 if (!isalnum(CharOf(*s))) 960 *s = '_'; 961 } 962 *s = 0; 963 return initializer; 964} 965 966/* dump C initializers for the terminal type */ 967static void 968dump_initializers(TERMTYPE * term) 969{ 970 int n; 971 const char *str = 0; 972 int size; 973 974 (void) printf("static char %s[] = %s\n", name_initializer("bool"), L_CURL); 975 976 for_each_boolean(n, term) { 977 switch ((int) (term->Booleans[n])) { 978 case TRUE: 979 str = "TRUE"; 980 break; 981 982 case FALSE: 983 str = "FALSE"; 984 break; 985 986 case ABSENT_BOOLEAN: 987 str = "ABSENT_BOOLEAN"; 988 break; 989 990 case CANCELLED_BOOLEAN: 991 str = "CANCELLED_BOOLEAN"; 992 break; 993 } 994 (void) printf("\t/* %3d: %-8s */\t%s,\n", 995 n, ExtBoolname(term, n, boolnames), str); 996 } 997 (void) printf("%s;\n", R_CURL); 998 999 (void) printf("static short %s[] = %s\n", name_initializer("number"), L_CURL); 1000 1001 for_each_number(n, term) { 1002 char buf[BUFSIZ]; 1003 switch (term->Numbers[n]) { 1004 case ABSENT_NUMERIC: 1005 str = "ABSENT_NUMERIC"; 1006 break; 1007 case CANCELLED_NUMERIC: 1008 str = "CANCELLED_NUMERIC"; 1009 break; 1010 default: 1011 snprintf(buf, sizeof buf, "%d", term->Numbers[n]); 1012 str = buf; 1013 break; 1014 } 1015 (void) printf("\t/* %3d: %-8s */\t%s,\n", n, 1016 ExtNumname(term, n, numnames), str); 1017 } 1018 (void) printf("%s;\n", R_CURL); 1019 1020 size = sizeof(TERMTYPE) 1021 + (NUM_BOOLEANS(term) * sizeof(term->Booleans[0])) 1022 + (NUM_NUMBERS(term) * sizeof(term->Numbers[0])); 1023 1024 (void) printf("static char * %s[] = %s\n", name_initializer("string"), L_CURL); 1025 1026 for_each_string(n, term) { 1027 char buf[MAX_STRING], *sp, *tp; 1028 1029 if (term->Strings[n] == ABSENT_STRING) 1030 str = "ABSENT_STRING"; 1031 else if (term->Strings[n] == CANCELLED_STRING) 1032 str = "CANCELLED_STRING"; 1033 else { 1034 tp = buf; 1035 *tp++ = '"'; 1036 for (sp = term->Strings[n]; 1037 *sp != 0 && (tp - buf) < MAX_STRING - 6; 1038 sp++) { 1039 if (isascii(CharOf(*sp)) 1040 && isprint(CharOf(*sp)) 1041 && *sp != '\\' 1042 && *sp != '"') 1043 *tp++ = *sp; 1044 else { 1045 (void) snprintf(tp, buf + sizeof buf - tp, "\\%03o", CharOf(*sp)); 1046 tp += 4; 1047 } 1048 } 1049 *tp++ = '"'; 1050 *tp = '\0'; 1051 size += (strlen(term->Strings[n]) + 1); 1052 str = buf; 1053 } 1054#if NCURSES_XNAMES 1055 if (n == STRCOUNT) { 1056 (void) printf("%s;\n", R_CURL); 1057 1058 (void) printf("static char * %s[] = %s\n", 1059 name_initializer("string_ext"), L_CURL); 1060 } 1061#endif 1062 (void) printf("\t/* %3d: %-8s */\t%s,\n", n, 1063 ExtStrname(term, n, strnames), str); 1064 } 1065 (void) printf("%s;\n", R_CURL); 1066} 1067 1068/* dump C initializers for the terminal type */ 1069static void 1070dump_termtype(TERMTYPE * term) 1071{ 1072 (void) printf("\t%s\n\t\t\"%s\",\n", L_CURL, term->term_names); 1073 (void) printf("\t\t(char *)0,\t/* pointer to string table */\n"); 1074 1075 (void) printf("\t\t%s,\n", name_initializer("bool")); 1076 (void) printf("\t\t%s,\n", name_initializer("number")); 1077 1078 (void) printf("\t\t%s,\n", name_initializer("string")); 1079 1080#if NCURSES_XNAMES 1081 (void) printf("#if NCURSES_XNAMES\n"); 1082 (void) printf("\t\t(char *)0,\t/* pointer to extended string table */\n"); 1083 (void) printf("\t\t%s,\t/* ...corresponding names */\n", 1084 (NUM_STRINGS(term) != STRCOUNT) 1085 ? name_initializer("string_ext") 1086 : "(char **)0"); 1087 1088 (void) printf("\t\t%d,\t\t/* count total Booleans */\n", NUM_BOOLEANS(term)); 1089 (void) printf("\t\t%d,\t\t/* count total Numbers */\n", NUM_NUMBERS(term)); 1090 (void) printf("\t\t%d,\t\t/* count total Strings */\n", NUM_STRINGS(term)); 1091 1092 (void) printf("\t\t%d,\t\t/* count extensions to Booleans */\n", 1093 NUM_BOOLEANS(term) - BOOLCOUNT); 1094 (void) printf("\t\t%d,\t\t/* count extensions to Numbers */\n", 1095 NUM_NUMBERS(term) - NUMCOUNT); 1096 (void) printf("\t\t%d,\t\t/* count extensions to Strings */\n", 1097 NUM_STRINGS(term) - STRCOUNT); 1098 1099 (void) printf("#endif /* NCURSES_XNAMES */\n"); 1100#endif /* NCURSES_XNAMES */ 1101 (void) printf("\t%s\n", R_CURL); 1102} 1103 1104static int 1105optarg_to_number(void) 1106{ 1107 char *temp = 0; 1108 long value = strtol(optarg, &temp, 0); 1109 1110 if (temp == 0 || temp == optarg || *temp != 0) { 1111 fprintf(stderr, "Expected a number, not \"%s\"\n", optarg); 1112 exit(EXIT_FAILURE); 1113 } 1114 return (int) value; 1115} 1116 1117/*************************************************************************** 1118 * 1119 * Main sequence 1120 * 1121 ***************************************************************************/ 1122 1123int 1124main(int argc, char *argv[]) 1125{ 1126 char *terminal, *firstdir, *restdir; 1127 /* Avoid "local data >32k" error with mwcc */ 1128 /* Also avoid overflowing smaller stacks on systems like AmigaOS */ 1129 size_t tlen = sizeof(path) * MAXTERMS; 1130 path *tfile = (path *) malloc(tlen); 1131 int c, i, len; 1132 bool formatted = FALSE; 1133 bool filecompare = FALSE; 1134 int initdump = 0; 1135 bool init_analyze = FALSE; 1136 1137 if ((terminal = getenv("TERM")) == 0) { 1138 (void) fprintf(stderr, 1139 "infocmp: environment variable TERM not set\n"); 1140 return EXIT_FAILURE; 1141 } 1142 1143 /* where is the terminfo database location going to default to? */ 1144 restdir = firstdir = 0; 1145 1146 while ((c = getopt(argc, argv, "adeEcCfFGgIinlLpqrR:s:uv:Vw:A:B:1T")) != -1) 1147 switch (c) { 1148#if NCURSES_XNAMES 1149 case 'a': 1150 _nc_disable_period = TRUE; 1151 use_extended_names(TRUE); 1152 break; 1153#endif 1154 case 'd': 1155 compare = C_DIFFERENCE; 1156 break; 1157 1158 case 'e': 1159 initdump |= 1; 1160 break; 1161 1162 case 'E': 1163 initdump |= 2; 1164 break; 1165 1166 case 'c': 1167 compare = C_COMMON; 1168 break; 1169 1170 case 'C': 1171 outform = F_TERMCAP; 1172 tversion = "BSD"; 1173 if (sortmode == S_DEFAULT) 1174 sortmode = S_TERMCAP; 1175 break; 1176 1177 case 'f': 1178 formatted = TRUE; 1179 break; 1180 1181 case 'G': 1182 numbers = 1; 1183 break; 1184 1185 case 'g': 1186 numbers = -1; 1187 break; 1188 1189 case 'F': 1190 filecompare = TRUE; 1191 break; 1192 1193 case 'I': 1194 outform = F_TERMINFO; 1195 if (sortmode == S_DEFAULT) 1196 sortmode = S_VARIABLE; 1197 tversion = 0; 1198 break; 1199 1200 case 'i': 1201 init_analyze = TRUE; 1202 break; 1203 1204 case 'l': 1205 outform = F_TERMINFO; 1206 break; 1207 1208 case 'L': 1209 outform = F_VARIABLE; 1210 if (sortmode == S_DEFAULT) 1211 sortmode = S_VARIABLE; 1212 break; 1213 1214 case 'n': 1215 compare = C_NAND; 1216 break; 1217 1218 case 'p': 1219 ignorepads = TRUE; 1220 break; 1221 1222 case 'q': 1223 quiet = TRUE; 1224 s_absent = "-"; 1225 s_cancel = "@"; 1226 bool_sep = ", "; 1227 break; 1228 1229 case 'r': 1230 tversion = 0; 1231 limited = FALSE; 1232 break; 1233 1234 case 'R': 1235 tversion = optarg; 1236 break; 1237 1238 case 's': 1239 if (*optarg == 'd') 1240 sortmode = S_NOSORT; 1241 else if (*optarg == 'i') 1242 sortmode = S_TERMINFO; 1243 else if (*optarg == 'l') 1244 sortmode = S_VARIABLE; 1245 else if (*optarg == 'c') 1246 sortmode = S_TERMCAP; 1247 else { 1248 (void) fprintf(stderr, 1249 "infocmp: unknown sort mode\n"); 1250 return EXIT_FAILURE; 1251 } 1252 break; 1253 1254 case 'u': 1255 compare = C_USEALL; 1256 break; 1257 1258 case 'v': 1259 itrace = optarg_to_number(); 1260 set_trace_level(itrace); 1261 break; 1262 1263 case 'V': 1264 puts(curses_version()); 1265 ExitProgram(EXIT_SUCCESS); 1266 1267 case 'w': 1268 mwidth = optarg_to_number(); 1269 break; 1270 1271 case 'A': 1272 firstdir = optarg; 1273 break; 1274 1275 case 'B': 1276 restdir = optarg; 1277 break; 1278 1279 case '1': 1280 mwidth = 0; 1281 break; 1282 1283 case 'T': 1284 limited = FALSE; 1285 break; 1286 default: 1287 usage(); 1288 } 1289 1290 /* by default, sort by terminfo name */ 1291 if (sortmode == S_DEFAULT) 1292 sortmode = S_TERMINFO; 1293 1294 /* set up for display */ 1295 dump_init(tversion, outform, sortmode, mwidth, itrace, formatted); 1296 1297 /* make sure we have at least one terminal name to work with */ 1298 if (optind >= argc) 1299 argv[argc++] = terminal; 1300 1301 /* if user is after a comparison, make sure we have two entries */ 1302 if (compare != C_DEFAULT && optind >= argc - 1) 1303 argv[argc++] = terminal; 1304 1305 /* exactly two terminal names with no options means do -d */ 1306 if (argc - optind == 2 && compare == C_DEFAULT) 1307 compare = C_DIFFERENCE; 1308 1309 if (!filecompare) { 1310 /* grab the entries */ 1311 termcount = 0; 1312 for (; optind < argc; optind++) { 1313 if (termcount >= MAXTERMS) { 1314 (void) fprintf(stderr, 1315 "infocmp: too many terminal type arguments\n"); 1316 return EXIT_FAILURE; 1317 } else { 1318 const char *directory = termcount ? restdir : firstdir; 1319 int status; 1320 1321 tname[termcount] = argv[optind]; 1322 1323 if (directory) { 1324 (void) snprintf(tfile[termcount], 1325 tlen - termcount, 1326 "%s/%c/%s", 1327 directory, 1328 *argv[optind], argv[optind]); 1329 if (itrace) 1330 (void) fprintf(stderr, 1331 "infocmp: reading entry %s from file %s\n", 1332 argv[optind], tfile[termcount]); 1333 1334 status = _nc_read_file_entry(tfile[termcount], 1335 &entries[termcount].tterm); 1336 } else { 1337 if (itrace) 1338 (void) fprintf(stderr, 1339 "infocmp: reading entry %s from system directories %s\n", 1340 argv[optind], tname[termcount]); 1341 1342 status = _nc_read_entry(tname[termcount], 1343 tfile[termcount], 1344 &entries[termcount].tterm); 1345 directory = TERMINFO; /* for error message */ 1346 } 1347 1348 if (status <= 0) { 1349 (void) fprintf(stderr, 1350 "infocmp: couldn't open terminfo file %s.\n", 1351 tfile[termcount]); 1352 return EXIT_FAILURE; 1353 } 1354 repair_acsc(&entries[termcount].tterm); 1355 termcount++; 1356 } 1357 } 1358 1359#if NCURSES_XNAMES 1360 if (termcount > 1) 1361 _nc_align_termtype(&entries[0].tterm, &entries[1].tterm); 1362#endif 1363 1364 /* dump as C initializer for the terminal type */ 1365 if (initdump) { 1366 if (initdump & 1) 1367 dump_termtype(&entries[0].tterm); 1368 if (initdump & 2) 1369 dump_initializers(&entries[0].tterm); 1370 ExitProgram(EXIT_SUCCESS); 1371 } 1372 1373 /* analyze the init strings */ 1374 if (init_analyze) { 1375#undef CUR 1376#define CUR entries[0].tterm. 1377 analyze_string("is1", init_1string, &entries[0].tterm); 1378 analyze_string("is2", init_2string, &entries[0].tterm); 1379 analyze_string("is3", init_3string, &entries[0].tterm); 1380 analyze_string("rs1", reset_1string, &entries[0].tterm); 1381 analyze_string("rs2", reset_2string, &entries[0].tterm); 1382 analyze_string("rs3", reset_3string, &entries[0].tterm); 1383 analyze_string("smcup", enter_ca_mode, &entries[0].tterm); 1384 analyze_string("rmcup", exit_ca_mode, &entries[0].tterm); 1385#undef CUR 1386 ExitProgram(EXIT_SUCCESS); 1387 } 1388 1389 /* 1390 * Here's where the real work gets done 1391 */ 1392 switch (compare) { 1393 case C_DEFAULT: 1394 if (itrace) 1395 (void) fprintf(stderr, 1396 "infocmp: about to dump %s\n", 1397 tname[0]); 1398 (void) printf("#\tReconstructed via infocmp from file: %s\n", 1399 tfile[0]); 1400 len = dump_entry(&entries[0].tterm, limited, numbers, NULL); 1401 putchar('\n'); 1402 if (itrace) 1403 (void) fprintf(stderr, "infocmp: length %d\n", len); 1404 break; 1405 1406 case C_DIFFERENCE: 1407 if (itrace) 1408 (void) fprintf(stderr, "infocmp: dumping differences\n"); 1409 (void) printf("comparing %s to %s.\n", tname[0], tname[1]); 1410 compare_entry(compare_predicate, &entries->tterm, quiet); 1411 break; 1412 1413 case C_COMMON: 1414 if (itrace) 1415 (void) fprintf(stderr, 1416 "infocmp: dumping common capabilities\n"); 1417 (void) printf("comparing %s to %s.\n", tname[0], tname[1]); 1418 compare_entry(compare_predicate, &entries->tterm, quiet); 1419 break; 1420 1421 case C_NAND: 1422 if (itrace) 1423 (void) fprintf(stderr, 1424 "infocmp: dumping differences\n"); 1425 (void) printf("comparing %s to %s.\n", tname[0], tname[1]); 1426 compare_entry(compare_predicate, &entries->tterm, quiet); 1427 break; 1428 1429 case C_USEALL: 1430 if (itrace) 1431 (void) fprintf(stderr, "infocmp: dumping use entry\n"); 1432 len = dump_entry(&entries[0].tterm, limited, numbers, use_predicate); 1433 for (i = 1; i < termcount; i++) 1434 len += dump_uses(tname[i], !(outform == F_TERMCAP || outform 1435 == F_TCONVERR)); 1436 putchar('\n'); 1437 if (itrace) 1438 (void) fprintf(stderr, "infocmp: length %d\n", len); 1439 break; 1440 } 1441 } else if (compare == C_USEALL) 1442 (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n"); 1443 else if (compare == C_DEFAULT) 1444 (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n"); 1445 else if (argc - optind != 2) 1446 (void) fprintf(stderr, 1447 "File comparison needs exactly two file arguments.\n"); 1448 else 1449 file_comparison(argc - optind, argv + optind); 1450 1451 ExitProgram(EXIT_SUCCESS); 1452} 1453 1454/* infocmp.c ends here */ 1455