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1.1 ! millert 1: /* $OpenBSD$ */
! 2:
! 3: /****************************************************************************
! 4: * Copyright (c) 1998 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: /*
! 38: * infocmp.c -- decompile an entry, or compare two entries
! 39: * written by Eric S. Raymond
! 40: */
! 41:
! 42: #include <progs.priv.h>
! 43:
! 44: #include <term_entry.h>
! 45: #include <dump_entry.h>
! 46:
! 47: MODULE_ID("$From: infocmp.c,v 1.38 1998/10/17 21:32:36 tom Exp $")
! 48:
! 49: #define L_CURL "{"
! 50: #define R_CURL "}"
! 51:
! 52: #define MAXTERMS 32 /* max # terminal arguments we can handle */
! 53:
! 54: const char *_nc_progname = "infocmp";
! 55:
! 56: typedef 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:
! 65: static char *tname[MAXTERMS]; /* terminal type names */
! 66: static TERMTYPE term[MAXTERMS]; /* terminfo entries */
! 67: static int termcount; /* count of terminal entries */
! 68:
! 69: static const char *tversion; /* terminfo version selected */
! 70: static bool numbers = TRUE; /* format "%'char'" to "%{number}" */
! 71: static int outform; /* output format */
! 72: static int sortmode; /* sort_mode */
! 73: static int itrace; /* trace flag for debugging */
! 74: static int mwidth = 60;
! 75:
! 76: /* main comparison mode */
! 77: static int compare;
! 78: #define C_DEFAULT 0 /* don't force comparison mode */
! 79: #define C_DIFFERENCE 1 /* list differences between two terminals */
! 80: #define C_COMMON 2 /* list common capabilities */
! 81: #define C_NAND 3 /* list capabilities in neither terminal */
! 82: #define C_USEALL 4 /* generate relative use-form entry */
! 83: static bool ignorepads; /* ignore pad prefixes when diffing */
! 84:
! 85: #if NO_LEAKS
! 86: #undef ExitProgram
! 87: static void ExitProgram(int code) GCC_NORETURN;
! 88: static void ExitProgram(int code)
! 89: {
! 90: while (termcount-- > 0)
! 91: _nc_free_termtype(&term[termcount], FALSE);
! 92: _nc_leaks_dump_entry();
! 93: _nc_free_and_exit(code);
! 94: }
! 95: #endif
! 96:
! 97: static char *canonical_name(char *ptr, char *buf)
! 98: /* extract the terminal type's primary name */
! 99: {
! 100: char *bp;
! 101:
! 102: (void) strcpy(buf, ptr);
! 103: if ((bp = strchr(buf, '|')) != (char *)NULL)
! 104: *bp = '\0';
! 105:
! 106: return(buf);
! 107: }
! 108:
! 109: /***************************************************************************
! 110: *
! 111: * Predicates for dump function
! 112: *
! 113: ***************************************************************************/
! 114:
! 115: static int capcmp(const char *s, const char *t)
! 116: /* capability comparison function */
! 117: {
! 118: if (!VALID_STRING(s) && !VALID_STRING(t))
! 119: return(0);
! 120: else if (!VALID_STRING(s) || !VALID_STRING(t))
! 121: return(1);
! 122:
! 123: if (ignorepads)
! 124: return(_nc_capcmp(s, t));
! 125: else
! 126: return(strcmp(s, t));
! 127: }
! 128:
! 129: static int use_predicate(int type, int idx)
! 130: /* predicate function to use for use decompilation */
! 131: {
! 132: TERMTYPE *tp;
! 133:
! 134: switch(type)
! 135: {
! 136: case BOOLEAN: {
! 137: int is_set = FALSE;
! 138:
! 139: /*
! 140: * This assumes that multiple use entries are supposed
! 141: * to contribute the logical or of their boolean capabilities.
! 142: * This is true if we take the semantics of multiple uses to
! 143: * be 'each capability gets the first non-default value found
! 144: * in the sequence of use entries'.
! 145: */
! 146: for (tp = &term[1]; tp < term + termcount; tp++)
! 147: if (tp->Booleans[idx]) {
! 148: is_set = TRUE;
! 149: break;
! 150: }
! 151: if (is_set != term->Booleans[idx])
! 152: return(!is_set);
! 153: else
! 154: return(FAIL);
! 155: }
! 156:
! 157: case NUMBER: {
! 158: int value = ABSENT_NUMERIC;
! 159:
! 160: /*
! 161: * We take the semantics of multiple uses to be 'each
! 162: * capability gets the first non-default value found
! 163: * in the sequence of use entries'.
! 164: */
! 165: for (tp = &term[1]; tp < term + termcount; tp++)
! 166: if (tp->Numbers[idx] >= 0) {
! 167: value = tp->Numbers[idx];
! 168: break;
! 169: }
! 170:
! 171: if (value != term->Numbers[idx])
! 172: return(value != ABSENT_NUMERIC);
! 173: else
! 174: return(FAIL);
! 175: }
! 176:
! 177: case STRING: {
! 178: char *termstr, *usestr = ABSENT_STRING;
! 179:
! 180: termstr = term->Strings[idx];
! 181:
! 182: /*
! 183: * We take the semantics of multiple uses to be 'each
! 184: * capability gets the first non-default value found
! 185: * in the sequence of use entries'.
! 186: */
! 187: for (tp = &term[1]; tp < term + termcount; tp++)
! 188: if (tp->Strings[idx])
! 189: {
! 190: usestr = tp->Strings[idx];
! 191: break;
! 192: }
! 193:
! 194: if (usestr == ABSENT_STRING && termstr == ABSENT_STRING)
! 195: return(FAIL);
! 196: else if (!usestr || !termstr || capcmp(usestr, termstr))
! 197: return(TRUE);
! 198: else
! 199: return(FAIL);
! 200: }
! 201: }
! 202:
! 203: return(FALSE); /* pacify compiler */
! 204: }
! 205:
! 206: static bool entryeq(TERMTYPE *t1, TERMTYPE *t2)
! 207: /* are two terminal types equal */
! 208: {
! 209: int i;
! 210:
! 211: for (i = 0; i < BOOLCOUNT; i++)
! 212: if (t1->Booleans[i] != t2->Booleans[i])
! 213: return(FALSE);
! 214:
! 215: for (i = 0; i < NUMCOUNT; i++)
! 216: if (t1->Numbers[i] != t2->Numbers[i])
! 217: return(FALSE);
! 218:
! 219: for (i = 0; i < STRCOUNT; i++)
! 220: if (capcmp(t1->Strings[i], t2->Strings[i]))
! 221: return(FALSE);
! 222:
! 223: return(TRUE);
! 224: }
! 225:
! 226: #define TIC_EXPAND(result) _nc_tic_expand(result, outform==F_TERMINFO, numbers)
! 227:
! 228: static void compare_predicate(int type, int idx, const char *name)
! 229: /* predicate function to use for entry difference reports */
! 230: {
! 231: register TERMTYPE *t1 = &term[0];
! 232: register TERMTYPE *t2 = &term[1];
! 233: char *s1, *s2;
! 234:
! 235: switch(type)
! 236: {
! 237: case BOOLEAN:
! 238: switch(compare)
! 239: {
! 240: case C_DIFFERENCE:
! 241: if (t1->Booleans[idx] != t2->Booleans[idx])
! 242: (void) printf("\t%s: %c:%c.\n",
! 243: name,
! 244: t1->Booleans[idx] ? 'T' : 'F',
! 245: t2->Booleans[idx] ? 'T' : 'F');
! 246: break;
! 247:
! 248: case C_COMMON:
! 249: if (t1->Booleans[idx] && t2->Booleans[idx])
! 250: (void) printf("\t%s= T.\n", name);
! 251: break;
! 252:
! 253: case C_NAND:
! 254: if (!t1->Booleans[idx] && !t2->Booleans[idx])
! 255: (void) printf("\t!%s.\n", name);
! 256: break;
! 257: }
! 258: break;
! 259:
! 260: case NUMBER:
! 261: switch(compare)
! 262: {
! 263: case C_DIFFERENCE:
! 264: if (t1->Numbers[idx] != t2->Numbers[idx])
! 265: (void) printf("\t%s: %d:%d.\n",
! 266: name, t1->Numbers[idx], t2->Numbers[idx]);
! 267: break;
! 268:
! 269: case C_COMMON:
! 270: if (t1->Numbers[idx]!=-1 && t2->Numbers[idx]!=-1
! 271: && t1->Numbers[idx] == t2->Numbers[idx])
! 272: (void) printf("\t%s= %d.\n", name, t1->Numbers[idx]);
! 273: break;
! 274:
! 275: case C_NAND:
! 276: if (t1->Numbers[idx]==-1 && t2->Numbers[idx] == -1)
! 277: (void) printf("\t!%s.\n", name);
! 278: break;
! 279: }
! 280: break;
! 281:
! 282: case STRING:
! 283: s1 = t1->Strings[idx];
! 284: s2 = t2->Strings[idx];
! 285: switch(compare)
! 286: {
! 287: case C_DIFFERENCE:
! 288: if (capcmp(s1, s2))
! 289: {
! 290: char buf1[BUFSIZ], buf2[BUFSIZ];
! 291:
! 292: if (s1 == (char *)NULL)
! 293: (void) strcpy(buf1, "NULL");
! 294: else
! 295: {
! 296: (void) strcpy(buf1, "'");
! 297: (void) strcat(buf1, TIC_EXPAND(s1));
! 298: (void) strcat(buf1, "'");
! 299: }
! 300:
! 301: if (s2 == (char *)NULL)
! 302: (void) strcpy(buf2, "NULL");
! 303: else
! 304: {
! 305: (void) strcpy(buf2, "'");
! 306: (void) strcat(buf2, TIC_EXPAND(s2));
! 307: (void) strcat(buf2, "'");
! 308: }
! 309:
! 310: if (strcmp(buf1, buf2))
! 311: (void) printf("\t%s: %s, %s.\n",
! 312: name, buf1, buf2);
! 313: }
! 314: break;
! 315:
! 316: case C_COMMON:
! 317: if (s1 && s2 && !capcmp(s1, s2))
! 318: (void) printf("\t%s= '%s'.\n", name, TIC_EXPAND(s1));
! 319: break;
! 320:
! 321: case C_NAND:
! 322: if (!s1 && !s2)
! 323: (void) printf("\t!%s.\n", name);
! 324: break;
! 325: }
! 326: break;
! 327: }
! 328:
! 329: }
! 330:
! 331: /***************************************************************************
! 332: *
! 333: * Init string analysis
! 334: *
! 335: ***************************************************************************/
! 336:
! 337: typedef struct {const char *from; const char *to;} assoc;
! 338:
! 339: static const assoc std_caps[] =
! 340: {
! 341: /* these are specified by X.364 and iBCS2 */
! 342: {"\033c", "RIS"}, /* full reset */
! 343: {"\0337", "SC"}, /* save cursor */
! 344: {"\0338", "RC"}, /* restore cursor */
! 345: {"\033[r", "RSR"}, /* not an X.364 mnemonic */
! 346: {"\033[m", "SGR0"}, /* not an X.364 mnemonic */
! 347: {"\033[2J", "ED2"}, /* clear page */
! 348:
! 349: /* this group is specified by ISO 2022 */
! 350: {"\033(0", "ISO DEC G0"}, /* enable DEC graphics for G0 */
! 351: {"\033(A", "ISO UK G0"}, /* enable UK chars for G0 */
! 352: {"\033(B", "ISO US G0"}, /* enable US chars for G0 */
! 353: {"\033)0", "ISO DEC G1"}, /* enable DEC graphics for G1 */
! 354: {"\033)A", "ISO UK G1"}, /* enable UK chars for G1 */
! 355: {"\033)B", "ISO US G1"}, /* enable US chars for G1 */
! 356:
! 357: /* these are DEC private modes widely supported by emulators */
! 358: {"\033=", "DECPAM"}, /* application keypad mode */
! 359: {"\033>", "DECPNM"}, /* normal keypad mode */
! 360: {"\033<", "DECANSI"}, /* enter ANSI mode */
! 361:
! 362: { (char *)0, (char *)0}
! 363: };
! 364:
! 365: static const assoc private_modes[] =
! 366: /* DEC \E[ ... [hl] modes recognized by many emulators */
! 367: {
! 368: {"1", "CKM"}, /* application cursor keys */
! 369: {"2", "ANM"}, /* set VT52 mode */
! 370: {"3", "COLM"}, /* 132-column mode */
! 371: {"4", "SCLM"}, /* smooth scroll */
! 372: {"5", "SCNM"}, /* reverse video mode */
! 373: {"6", "OM"}, /* origin mode */
! 374: {"7", "AWM"}, /* wraparound mode */
! 375: {"8", "ARM"}, /* auto-repeat mode */
! 376: {(char *)0, (char *)0}
! 377: };
! 378:
! 379: static const assoc ecma_highlights[] =
! 380: /* recognize ECMA attribute sequences */
! 381: {
! 382: {"0", "NORMAL"}, /* normal */
! 383: {"1", "+BOLD"}, /* bold on */
! 384: {"2", "+DIM"}, /* dim on */
! 385: {"3", "+ITALIC"}, /* italic on */
! 386: {"4", "+UNDERLINE"}, /* underline on */
! 387: {"5", "+BLINK"}, /* blink on */
! 388: {"6", "+FASTBLINK"}, /* fastblink on */
! 389: {"7", "+REVERSE"}, /* reverse on */
! 390: {"8", "+INVISIBLE"}, /* invisible on */
! 391: {"9", "+DELETED"}, /* deleted on */
! 392: {"10", "MAIN-FONT"}, /* select primary font */
! 393: {"11", "ALT-FONT-1"}, /* select alternate font 1 */
! 394: {"12", "ALT-FONT-2"}, /* select alternate font 2 */
! 395: {"13", "ALT-FONT-3"}, /* select alternate font 3 */
! 396: {"14", "ALT-FONT-4"}, /* select alternate font 4 */
! 397: {"15", "ALT-FONT-5"}, /* select alternate font 5 */
! 398: {"16", "ALT-FONT-6"}, /* select alternate font 6 */
! 399: {"17", "ALT-FONT-7"}, /* select alternate font 7 */
! 400: {"18", "ALT-FONT-1"}, /* select alternate font 1 */
! 401: {"19", "ALT-FONT-1"}, /* select alternate font 1 */
! 402: {"20", "FRAKTUR"}, /* Fraktur font */
! 403: {"21", "DOUBLEUNDER"}, /* double underline */
! 404: {"22", "-DIM"}, /* dim off */
! 405: {"23", "-ITALIC"}, /* italic off */
! 406: {"24", "-UNDERLINE"}, /* underline off */
! 407: {"25", "-BLINK"}, /* blink off */
! 408: {"26", "-FASTBLINK"}, /* fastblink off */
! 409: {"27", "-REVERSE"}, /* reverse off */
! 410: {"28", "-INVISIBLE"}, /* invisible off */
! 411: {"29", "-DELETED"}, /* deleted off */
! 412: {(char *)0, (char *)0}
! 413: };
! 414:
! 415: static void analyze_string(const char *name, const char *cap, TERMTYPE *tp)
! 416: {
! 417: char buf[MAX_TERMINFO_LENGTH];
! 418: char buf2[MAX_TERMINFO_LENGTH];
! 419: const char *sp, *ep;
! 420: const assoc *ap;
! 421:
! 422: if (cap == ABSENT_STRING || cap == CANCELLED_STRING)
! 423: return;
! 424: (void) printf("%s: ", name);
! 425:
! 426: buf[0] = '\0';
! 427: for (sp = cap; *sp; sp++)
! 428: {
! 429: int i;
! 430: size_t len = 0;
! 431: const char *expansion = 0;
! 432:
! 433: /* first, check other capabilities in this entry */
! 434: for (i = 0; i < STRCOUNT; i++)
! 435: {
! 436: char *cp = tp->Strings[i];
! 437:
! 438: /* don't use soft-key capabilities */
! 439: if (strnames[i][0] == 'k' && strnames[i][0] == 'f')
! 440: continue;
! 441:
! 442:
! 443: if (cp != ABSENT_STRING && cp != CANCELLED_STRING && cp[0] && cp != cap)
! 444: {
! 445: len = strlen(cp);
! 446: (void) strncpy(buf2, sp, len);
! 447: buf2[len] = '\0';
! 448:
! 449: if (_nc_capcmp(cp, buf2))
! 450: continue;
! 451:
! 452: #define ISRS(s) (!strncmp((s), "is", 2) || !strncmp((s), "rs", 2))
! 453: /*
! 454: * Theoretically we just passed the test for translation
! 455: * (equality once the padding is stripped). However, there
! 456: * are a few more hoops that need to be jumped so that
! 457: * identical pairs of initialization and reset strings
! 458: * don't just refer to each other.
! 459: */
! 460: if (ISRS(name) || ISRS(strnames[i]))
! 461: if (cap < cp)
! 462: continue;
! 463: #undef ISRS
! 464:
! 465: expansion = strnames[i];
! 466: break;
! 467: }
! 468: }
! 469:
! 470: /* now check the standard capabilities */
! 471: if (!expansion)
! 472: for (ap = std_caps; ap->from; ap++)
! 473: {
! 474: len = strlen(ap->from);
! 475:
! 476: if (strncmp(ap->from, sp, len) == 0)
! 477: {
! 478: expansion = ap->to;
! 479: break;
! 480: }
! 481: }
! 482:
! 483: /* now check for private-mode sequences */
! 484: if (!expansion
! 485: && sp[0] == '\033' && sp[1] == '[' && sp[2] == '?'
! 486: && (len = strspn(sp + 3, "0123456789;"))
! 487: && ((sp[3 + len] == 'h') || (sp[3 + len] == 'l')))
! 488: {
! 489: char buf3[MAX_TERMINFO_LENGTH];
! 490:
! 491: (void) strcpy(buf2, (sp[3 + len] == 'h') ? "DEC+" : "DEC-");
! 492: (void) strncpy(buf3, sp + 3, len);
! 493: len += 4;
! 494: buf3[len] = '\0';
! 495:
! 496: ep = strtok(buf3, ";");
! 497: do {
! 498: bool found = FALSE;
! 499:
! 500: for (ap = private_modes; ap->from; ap++)
! 501: {
! 502: size_t tlen = strlen(ap->from);
! 503:
! 504: if (strncmp(ap->from, ep, tlen) == 0)
! 505: {
! 506: (void) strcat(buf2, ap->to);
! 507: found = TRUE;
! 508: break;
! 509: }
! 510: }
! 511:
! 512: if (!found)
! 513: (void) strcat(buf2, ep);
! 514: (void) strcat(buf2, ";");
! 515: } while
! 516: ((ep = strtok((char *)NULL, ";")));
! 517: buf2[strlen(buf2) - 1] = '\0';
! 518: expansion = buf2;
! 519: }
! 520:
! 521: /* now check for ECMA highlight sequences */
! 522: if (!expansion
! 523: && sp[0] == '\033' && sp[1] == '['
! 524: && (len = strspn(sp + 2, "0123456789;"))
! 525: && sp[2 + len] == 'm')
! 526: {
! 527: char buf3[MAX_TERMINFO_LENGTH];
! 528:
! 529: (void) strcpy(buf2, "SGR:");
! 530: (void) strncpy(buf3, sp + 2, len);
! 531: len += 3;
! 532: buf3[len] = '\0';
! 533:
! 534: ep = strtok(buf3, ";");
! 535: do {
! 536: bool found = FALSE;
! 537:
! 538: for (ap = ecma_highlights; ap->from; ap++)
! 539: {
! 540: size_t tlen = strlen(ap->from);
! 541:
! 542: if (strncmp(ap->from, ep, tlen) == 0)
! 543: {
! 544: (void) strcat(buf2, ap->to);
! 545: found = TRUE;
! 546: break;
! 547: }
! 548: }
! 549:
! 550: if (!found)
! 551: (void) strcat(buf2, ep);
! 552: (void) strcat(buf2, ";");
! 553: } while
! 554: ((ep = strtok((char *)NULL, ";")));
! 555:
! 556: buf2[strlen(buf2) - 1] = '\0';
! 557: expansion = buf2;
! 558: }
! 559: /* now check for scroll region reset */
! 560: if (!expansion)
! 561: {
! 562: (void) sprintf(buf2, "\033[1;%dr", tp->Numbers[2]);
! 563: len = strlen(buf2);
! 564: if (strncmp(buf2, sp, len) == 0)
! 565: expansion = "RSR";
! 566: }
! 567:
! 568: /* now check for home-down */
! 569: if (!expansion)
! 570: {
! 571: (void) sprintf(buf2, "\033[%d;1H", tp->Numbers[2]);
! 572: len = strlen(buf2);
! 573: if (strncmp(buf2, sp, len) == 0)
! 574: expansion = "LL";
! 575: }
! 576:
! 577: /* now look at the expansion we got, if any */
! 578: if (expansion)
! 579: {
! 580: (void) sprintf(buf + strlen(buf), "{%s}", expansion);
! 581: sp += len - 1;
! 582: continue;
! 583: }
! 584: else
! 585: {
! 586: /* couldn't match anything */
! 587: buf2[0] = *sp;
! 588: buf2[1] = '\0';
! 589: (void) strcat(buf, TIC_EXPAND(buf2));
! 590: }
! 591: }
! 592: (void) printf("%s\n", buf);
! 593: }
! 594:
! 595: /***************************************************************************
! 596: *
! 597: * File comparison
! 598: *
! 599: ***************************************************************************/
! 600:
! 601: static void file_comparison(int argc, char *argv[])
! 602: {
! 603: #define MAXCOMPARE 2
! 604: /* someday we may allow comparisons on more files */
! 605: int filecount = 0;
! 606: ENTRY *heads[MAXCOMPARE];
! 607: ENTRY *tails[MAXCOMPARE];
! 608: ENTRY *qp, *rp;
! 609: int i, n;
! 610:
! 611: dump_init((char *)NULL, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
! 612:
! 613: for (n = 0; n < argc && n < MAXCOMPARE; n++)
! 614: {
! 615: if (freopen(argv[n], "r", stdin) == NULL)
! 616: _nc_err_abort("Can't open %s", argv[n]);
! 617:
! 618: _nc_head = _nc_tail = (ENTRY *)NULL;
! 619:
! 620: /* parse entries out of the source file */
! 621: _nc_set_source(argv[n]);
! 622: _nc_read_entry_source(stdin, NULL, TRUE, FALSE, NULLHOOK);
! 623:
! 624: if (itrace)
! 625: (void) fprintf(stderr, "Resolving file %d...\n", n-0);
! 626:
! 627: /* do use resolution */
! 628: if (!_nc_resolve_uses())
! 629: {
! 630: (void) fprintf(stderr,
! 631: "There are unresolved use entries in %s:\n",
! 632: argv[n]);
! 633: for_entry_list(qp)
! 634: if (qp->nuses)
! 635: {
! 636: (void) fputs(qp->tterm.term_names, stderr);
! 637: (void) fputc('\n', stderr);
! 638: }
! 639: exit(EXIT_FAILURE);
! 640: }
! 641:
! 642: heads[filecount] = _nc_head;
! 643: tails[filecount] = _nc_tail;
! 644: filecount++;
! 645: }
! 646:
! 647: /* OK, all entries are in core. Ready to do the comparison */
! 648: if (itrace)
! 649: (void) fprintf(stderr, "Entries are now in core...\n");
! 650:
! 651: /*
! 652: * The entry-matching loop. We're not using the use[]
! 653: * slots any more (they got zeroed out by resolve_uses) so
! 654: * we stash each entry's matches in the other file there.
! 655: * Sigh, this is intrinsically quadratic.
! 656: */
! 657: for (qp = heads[0]; qp; qp = qp->next)
! 658: {
! 659: for (rp = heads[1]; rp; rp = rp->next)
! 660: if (_nc_entry_match(qp->tterm.term_names, rp->tterm.term_names))
! 661: {
! 662: /*
! 663: * This is why the uses structure parent element is
! 664: * (void *) -- so we can have either (char *) for
! 665: * names or entry structure pointers in them and still
! 666: * be type-safe.
! 667: */
! 668: if (qp->nuses < MAX_USES)
! 669: qp->uses[qp->nuses].parent = (void *)rp;
! 670: qp->nuses++;
! 671:
! 672: if (rp->nuses < MAX_USES)
! 673: rp->uses[rp->nuses].parent = (void *)qp;
! 674: rp->nuses++;
! 675: }
! 676: }
! 677:
! 678: /* now we have two circular lists with crosslinks */
! 679: if (itrace)
! 680: (void) fprintf(stderr, "Name matches are done...\n");
! 681:
! 682: for (qp = heads[0]; qp; qp = qp->next)
! 683: if (qp->nuses > 1)
! 684: {
! 685: (void) fprintf(stderr,
! 686: "%s in file 1 (%s) has %d matches in file 2 (%s):\n",
! 687: _nc_first_name(qp->tterm.term_names),
! 688: argv[0],
! 689: qp->nuses,
! 690: argv[1]);
! 691: for (i = 0; i < qp->nuses; i++)
! 692: (void) fprintf(stderr,
! 693: "\t%s\n",
! 694: _nc_first_name(((ENTRY *)qp->uses[i].parent)->tterm.term_names));
! 695: }
! 696: for (rp = heads[1]; rp; rp = rp->next)
! 697: if (rp->nuses > 1)
! 698: {
! 699: (void) fprintf(stderr,
! 700: "%s in file 2 (%s) has %d matches in file 1 (%s):\n",
! 701: _nc_first_name(rp->tterm.term_names),
! 702: argv[1],
! 703: rp->nuses,
! 704: argv[0]);
! 705: for (i = 0; i < rp->nuses; i++)
! 706: (void) fprintf(stderr,
! 707: "\t%s\n",
! 708: _nc_first_name(((ENTRY *)rp->uses[i].parent)->tterm.term_names));
! 709: }
! 710:
! 711: (void) printf("In file 1 (%s) only:\n", argv[0]);
! 712: for (qp = heads[0]; qp; qp = qp->next)
! 713: if (qp->nuses == 0)
! 714: (void) printf("\t%s\n",
! 715: _nc_first_name(qp->tterm.term_names));
! 716:
! 717: (void) printf("In file 2 (%s) only:\n", argv[1]);
! 718: for (rp = heads[1]; rp; rp = rp->next)
! 719: if (rp->nuses == 0)
! 720: (void) printf("\t%s\n",
! 721: _nc_first_name(rp->tterm.term_names));
! 722:
! 723: (void) printf("The following entries are equivalent:\n");
! 724: for (qp = heads[0]; qp; qp = qp->next)
! 725: {
! 726: rp = (ENTRY *)qp->uses[0].parent;
! 727:
! 728: if (qp->nuses == 1 && entryeq(&qp->tterm, &rp->tterm))
! 729: {
! 730: char name1[NAMESIZE], name2[NAMESIZE];
! 731:
! 732: (void) canonical_name(qp->tterm.term_names, name1);
! 733: (void) canonical_name(rp->tterm.term_names, name2);
! 734:
! 735: (void) printf("%s = %s\n", name1, name2);
! 736: }
! 737: }
! 738:
! 739: (void) printf("Differing entries:\n");
! 740: termcount = 2;
! 741: for (qp = heads[0]; qp; qp = qp->next)
! 742: {
! 743: rp = (ENTRY *)qp->uses[0].parent;
! 744:
! 745: if (qp->nuses == 1 && !entryeq(&qp->tterm, &rp->tterm))
! 746: {
! 747: char name1[NAMESIZE], name2[NAMESIZE];
! 748:
! 749: memcpy(&term[0], &qp->tterm, sizeof(TERMTYPE));
! 750: memcpy(&term[1], &rp->tterm, sizeof(TERMTYPE));
! 751:
! 752: (void) canonical_name(qp->tterm.term_names, name1);
! 753: (void) canonical_name(rp->tterm.term_names, name2);
! 754:
! 755: switch (compare)
! 756: {
! 757: case C_DIFFERENCE:
! 758: if (itrace)
! 759: (void)fprintf(stderr, "infocmp: dumping differences\n");
! 760: (void) printf("comparing %s to %s.\n", name1, name2);
! 761: compare_entry(compare_predicate);
! 762: break;
! 763:
! 764: case C_COMMON:
! 765: if (itrace)
! 766: (void) fprintf(stderr,
! 767: "infocmp: dumping common capabilities\n");
! 768: (void) printf("comparing %s to %s.\n", name1, name2);
! 769: compare_entry(compare_predicate);
! 770: break;
! 771:
! 772: case C_NAND:
! 773: if (itrace)
! 774: (void) fprintf(stderr,
! 775: "infocmp: dumping differences\n");
! 776: (void) printf("comparing %s to %s.\n", name1, name2);
! 777: compare_entry(compare_predicate);
! 778: break;
! 779:
! 780: }
! 781: }
! 782: }
! 783: }
! 784:
! 785: static void usage(void)
! 786: {
! 787: static const char *tbl[] = {
! 788: "Usage: infocmp [options] [-A directory] [-B directory] [termname...]"
! 789: ,""
! 790: ,"Options:"
! 791: ," -1 print single-column"
! 792: ," -C use termcap-names"
! 793: ," -F compare terminfo-files"
! 794: ," -I use terminfo-names"
! 795: ," -L use long names"
! 796: ," -R subset (see manpage)"
! 797: ," -T eliminate size limits (test)"
! 798: ," -V print version"
! 799: ," -c list common capabilities"
! 800: ," -d list different capabilities"
! 801: ," -e format output as C initializer"
! 802: ," -f with -1, format complex strings"
! 803: ," -g format %'char' to %{number}"
! 804: ," -i analyze initialization/reset"
! 805: ," -l output terminfo names"
! 806: ," -n list capabilities in neither"
! 807: ," -p ignore padding specifiers"
! 808: ," -r with -C, output in termcap form"
! 809: ," -s [d|i|l|c] sort fields"
! 810: ," -u produce source with 'use='"
! 811: ," -v number (verbose)"
! 812: ," -w number (width)"
! 813: };
! 814: const size_t first = 3;
! 815: const size_t last = sizeof(tbl)/sizeof(tbl[0]);
! 816: const size_t left = (last - first + 1) / 2 + first;
! 817: size_t n;
! 818:
! 819: for (n = 0; n < left; n++) {
! 820: size_t m = (n < first) ? last : n + left - first;
! 821: if (m < last)
! 822: fprintf(stderr, "%-40.40s%s\n", tbl[n], tbl[m]);
! 823: else
! 824: fprintf(stderr, "%s\n", tbl[n]);
! 825: }
! 826: exit(EXIT_FAILURE);
! 827: }
! 828:
! 829: /***************************************************************************
! 830: *
! 831: * Main sequence
! 832: *
! 833: ***************************************************************************/
! 834:
! 835: int main(int argc, char *argv[])
! 836: {
! 837: char *terminal, *firstdir, *restdir;
! 838: /* Avoid "local data >32k" error with mwcc */
! 839: /* Also avoid overflowing smaller stacks on systems like AmigaOS */
! 840: path *tfile = malloc(sizeof(path)*MAXTERMS);
! 841: int c, i, len;
! 842: bool formatted = FALSE;
! 843: bool filecompare = FALSE;
! 844: bool initdump = FALSE;
! 845: bool init_analyze = FALSE;
! 846: bool limited = TRUE;
! 847:
! 848: if ((terminal = getenv("TERM")) == NULL)
! 849: {
! 850: (void) fprintf(stderr,
! 851: "infocmp: environment variable TERM not set\n");
! 852: return EXIT_FAILURE;
! 853: }
! 854:
! 855: /* where is the terminfo database location going to default to? */
! 856: restdir = firstdir = 0;
! 857:
! 858: while ((c = getopt(argc, argv, "decCfFgIinlLprR:s:uv:Vw:A:B:1T")) != EOF)
! 859: switch (c)
! 860: {
! 861: case 'd':
! 862: compare = C_DIFFERENCE;
! 863: break;
! 864:
! 865: case 'e':
! 866: initdump = TRUE;
! 867: break;
! 868:
! 869: case 'c':
! 870: compare = C_COMMON;
! 871: break;
! 872:
! 873: case 'C':
! 874: outform = F_TERMCAP;
! 875: tversion = "BSD";
! 876: if (sortmode == S_DEFAULT)
! 877: sortmode = S_TERMCAP;
! 878: break;
! 879:
! 880: case 'f':
! 881: formatted = TRUE;
! 882: break;
! 883:
! 884: case 'g':
! 885: numbers = FALSE;
! 886: break;
! 887:
! 888: case 'F':
! 889: filecompare = TRUE;
! 890: break;
! 891:
! 892: case 'I':
! 893: outform = F_TERMINFO;
! 894: if (sortmode == S_DEFAULT)
! 895: sortmode = S_VARIABLE;
! 896: tversion = 0;
! 897: break;
! 898:
! 899: case 'i':
! 900: init_analyze = TRUE;
! 901: break;
! 902:
! 903: case 'l':
! 904: outform = F_TERMINFO;
! 905: break;
! 906:
! 907: case 'L':
! 908: outform = F_VARIABLE;
! 909: if (sortmode == S_DEFAULT)
! 910: sortmode = S_VARIABLE;
! 911: break;
! 912:
! 913: case 'n':
! 914: compare = C_NAND;
! 915: break;
! 916:
! 917: case 'p':
! 918: ignorepads = TRUE;
! 919: break;
! 920:
! 921: case 'r':
! 922: tversion = 0;
! 923: limited = FALSE;
! 924: break;
! 925:
! 926: case 'R':
! 927: tversion = optarg;
! 928: break;
! 929:
! 930: case 's':
! 931: if (*optarg == 'd')
! 932: sortmode = S_NOSORT;
! 933: else if (*optarg == 'i')
! 934: sortmode = S_TERMINFO;
! 935: else if (*optarg == 'l')
! 936: sortmode = S_VARIABLE;
! 937: else if (*optarg == 'c')
! 938: sortmode = S_TERMCAP;
! 939: else
! 940: {
! 941: (void) fprintf(stderr,
! 942: "infocmp: unknown sort mode\n");
! 943: return EXIT_FAILURE;
! 944: }
! 945: break;
! 946:
! 947: case 'u':
! 948: compare = C_USEALL;
! 949: break;
! 950:
! 951: case 'v':
! 952: itrace = atoi(optarg);
! 953: _nc_tracing = (1 << itrace) - 1;
! 954: break;
! 955:
! 956: case 'V':
! 957: (void) fputs(NCURSES_VERSION, stdout);
! 958: putchar('\n');
! 959: ExitProgram(EXIT_SUCCESS);
! 960:
! 961: case 'w':
! 962: mwidth = atoi(optarg);
! 963: break;
! 964:
! 965: case 'A':
! 966: firstdir = optarg;
! 967: break;
! 968:
! 969: case 'B':
! 970: restdir = optarg;
! 971: break;
! 972:
! 973: case '1':
! 974: mwidth = 0;
! 975: break;
! 976:
! 977: case 'T':
! 978: limited = FALSE;
! 979: break;
! 980: default:
! 981: usage();
! 982: }
! 983:
! 984: /* by default, sort by terminfo name */
! 985: if (sortmode == S_DEFAULT)
! 986: sortmode = S_TERMINFO;
! 987:
! 988: /* set up for display */
! 989: dump_init(tversion, outform, sortmode, mwidth, itrace, formatted);
! 990:
! 991: /* make sure we have at least one terminal name to work with */
! 992: if (optind >= argc)
! 993: argv[argc++] = terminal;
! 994:
! 995: /* if user is after a comparison, make sure we have two entries */
! 996: if (compare != C_DEFAULT && optind >= argc - 1)
! 997: argv[argc++] = terminal;
! 998:
! 999: /* exactly two terminal names with no options means do -d */
! 1000: if (argc - optind == 2 && compare == C_DEFAULT)
! 1001: compare = C_DIFFERENCE;
! 1002:
! 1003: if (!filecompare)
! 1004: {
! 1005: /* grab the entries */
! 1006: termcount = 0;
! 1007: for (; optind < argc; optind++)
! 1008: {
! 1009: if (termcount >= MAXTERMS)
! 1010: {
! 1011: (void) fprintf(stderr,
! 1012: "infocmp: too many terminal type arguments\n");
! 1013: return EXIT_FAILURE;
! 1014: }
! 1015: else
! 1016: {
! 1017: const char *directory = termcount ? restdir : firstdir;
! 1018: int status;
! 1019:
! 1020: tname[termcount] = argv[optind];
! 1021:
! 1022: if (directory)
! 1023: {
! 1024: (void) sprintf(tfile[termcount], "%s/%c/%s",
! 1025: directory,
! 1026: *argv[optind], argv[optind]);
! 1027: if (itrace)
! 1028: (void) fprintf(stderr,
! 1029: "infocmp: reading entry %s from file %s\n",
! 1030: argv[optind], tfile[termcount]);
! 1031:
! 1032: status = _nc_read_file_entry(tfile[termcount],
! 1033: &term[termcount]);
! 1034: }
! 1035: else
! 1036: {
! 1037: if (itrace)
! 1038: (void) fprintf(stderr,
! 1039: "infocmp: reading entry %s from system directories %s\n",
! 1040: argv[optind], tname[termcount]);
! 1041:
! 1042: status = _nc_read_entry(tname[termcount],
! 1043: tfile[termcount],
! 1044: &term[termcount]);
! 1045: directory = TERMINFO; /* for error message */
! 1046: }
! 1047:
! 1048: if (status <= 0)
! 1049: {
! 1050: (void) fprintf(stderr,
! 1051: "infocmp: couldn't open terminfo file %s.\n",
! 1052: tfile[termcount]);
! 1053: return EXIT_FAILURE;
! 1054: }
! 1055: termcount++;
! 1056: }
! 1057: }
! 1058:
! 1059: /* dump as C initializer for the terminal type */
! 1060: if (initdump)
! 1061: {
! 1062: int n;
! 1063: const char *str = 0;
! 1064: int size;
! 1065:
! 1066: (void) printf("\t%s\n\t\t\"%s\",\n",
! 1067: L_CURL, term->term_names);
! 1068: (void) printf("\t\t(char *)0,\n");
! 1069:
! 1070: (void) printf("\t\t%s /* BOOLEANS */\n", L_CURL);
! 1071: for (n = 0; n < BOOLCOUNT; n++)
! 1072: {
! 1073: switch((int)(term->Booleans[n]))
! 1074: {
! 1075: case TRUE:
! 1076: str = "TRUE";
! 1077: break;
! 1078:
! 1079: case FALSE:
! 1080: str = "FALSE";
! 1081: break;
! 1082:
! 1083: case ABSENT_BOOLEAN:
! 1084: str = "ABSENT_BOOLEAN";
! 1085: break;
! 1086:
! 1087: case CANCELLED_BOOLEAN:
! 1088: str = "CANCELLED_BOOLEAN";
! 1089: break;
! 1090: }
! 1091: (void) printf("\t\t/* %s */\t%s%s,\n",
! 1092: boolnames[n], str,
! 1093: n == BOOLCOUNT-1 ? R_CURL : "");
! 1094: }
! 1095:
! 1096: (void) printf("\t\t%s /* NUMERICS */\n", L_CURL);
! 1097: for (n = 0; n < NUMCOUNT; n++)
! 1098: {
! 1099: char buf[BUFSIZ];
! 1100: switch (term->Numbers[n])
! 1101: {
! 1102: case ABSENT_NUMERIC:
! 1103: str = "ABSENT_NUMERIC";
! 1104: break;
! 1105: case CANCELLED_NUMERIC:
! 1106: str = "CANCELLED_NUMERIC";
! 1107: break;
! 1108: default:
! 1109: sprintf(buf, "%d", term->Numbers[n]);
! 1110: str = buf;
! 1111: break;
! 1112: }
! 1113: (void) printf("\t\t/* %s */\t%s%s,\n",
! 1114: numnames[n], str,
! 1115: n == NUMCOUNT-1 ? R_CURL : "");
! 1116: }
! 1117:
! 1118: size = sizeof(TERMTYPE)
! 1119: + (BOOLCOUNT * sizeof(term->Booleans[0]))
! 1120: + (NUMCOUNT * sizeof(term->Numbers[0]));
! 1121:
! 1122: (void) printf("\t\t%s /* STRINGS */\n", L_CURL);
! 1123: for (n = 0; n < STRCOUNT; n++)
! 1124: {
! 1125: char buf[BUFSIZ], *sp, *tp;
! 1126:
! 1127: if (term->Strings[n] == ABSENT_STRING)
! 1128: str = "ABSENT_STRING";
! 1129: else if (term->Strings[n] == CANCELLED_STRING)
! 1130: str = "CANCELLED_STRING";
! 1131: else
! 1132: {
! 1133: tp = buf;
! 1134: *tp++ = '"';
! 1135: for (sp = term->Strings[n]; *sp; sp++)
! 1136: {
! 1137: if (isascii(*sp) && isprint(*sp) && *sp !='\\' && *sp != '"')
! 1138: *tp++ = *sp;
! 1139: else
! 1140: {
! 1141: (void) sprintf(tp, "\\%03o", *sp & 0xff);
! 1142: tp += 4;
! 1143: }
! 1144: }
! 1145: *tp++ = '"';
! 1146: *tp = '\0';
! 1147: size += (strlen(term->Strings[n]) + 1);
! 1148: str = buf;
! 1149: }
! 1150: (void) printf("\t\t/* %s */\t%s%s%s\n",
! 1151: strnames[n], str,
! 1152: n == STRCOUNT-1 ? R_CURL : "",
! 1153: n == STRCOUNT-1 ? "" : ",");
! 1154: }
! 1155: (void) printf("\t%s /* size = %d */\n", R_CURL, size);
! 1156: ExitProgram(EXIT_SUCCESS);
! 1157: }
! 1158:
! 1159: /* analyze the init strings */
! 1160: if (init_analyze)
! 1161: {
! 1162: #undef CUR
! 1163: #define CUR term[0].
! 1164: analyze_string("is1", init_1string, &term[0]);
! 1165: analyze_string("is2", init_2string, &term[0]);
! 1166: analyze_string("is3", init_3string, &term[0]);
! 1167: analyze_string("rs1", reset_1string, &term[0]);
! 1168: analyze_string("rs2", reset_2string, &term[0]);
! 1169: analyze_string("rs3", reset_3string, &term[0]);
! 1170: analyze_string("smcup", enter_ca_mode, &term[0]);
! 1171: analyze_string("rmcup", exit_ca_mode, &term[0]);
! 1172: #undef CUR
! 1173: ExitProgram(EXIT_SUCCESS);
! 1174: }
! 1175:
! 1176: /*
! 1177: * Here's where the real work gets done
! 1178: */
! 1179: switch (compare)
! 1180: {
! 1181: case C_DEFAULT:
! 1182: if (itrace)
! 1183: (void) fprintf(stderr,
! 1184: "infocmp: about to dump %s\n",
! 1185: tname[0]);
! 1186: (void) printf("#\tReconstructed via infocmp from file: %s\n",
! 1187: tfile[0]);
! 1188: len = dump_entry(&term[0], limited, numbers, NULL);
! 1189: putchar('\n');
! 1190: if (itrace)
! 1191: (void)fprintf(stderr, "infocmp: length %d\n", len);
! 1192: break;
! 1193:
! 1194: case C_DIFFERENCE:
! 1195: if (itrace)
! 1196: (void)fprintf(stderr, "infocmp: dumping differences\n");
! 1197: (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
! 1198: compare_entry(compare_predicate);
! 1199: break;
! 1200:
! 1201: case C_COMMON:
! 1202: if (itrace)
! 1203: (void) fprintf(stderr,
! 1204: "infocmp: dumping common capabilities\n");
! 1205: (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
! 1206: compare_entry(compare_predicate);
! 1207: break;
! 1208:
! 1209: case C_NAND:
! 1210: if (itrace)
! 1211: (void) fprintf(stderr,
! 1212: "infocmp: dumping differences\n");
! 1213: (void) printf("comparing %s to %s.\n", tname[0], tname[1]);
! 1214: compare_entry(compare_predicate);
! 1215: break;
! 1216:
! 1217: case C_USEALL:
! 1218: if (itrace)
! 1219: (void) fprintf(stderr, "infocmp: dumping use entry\n");
! 1220: len = dump_entry(&term[0], limited, numbers, use_predicate);
! 1221: for (i = 1; i < termcount; i++)
! 1222: len += dump_uses(tname[i], !(outform==F_TERMCAP || outform==F_TCONVERR));
! 1223: putchar('\n');
! 1224: if (itrace)
! 1225: (void)fprintf(stderr, "infocmp: length %d\n", len);
! 1226: break;
! 1227: }
! 1228: }
! 1229: else if (compare == C_USEALL)
! 1230: (void) fprintf(stderr, "Sorry, -u doesn't work with -F\n");
! 1231: else if (compare == C_DEFAULT)
! 1232: (void) fprintf(stderr, "Use `tic -[CI] <file>' for this.\n");
! 1233: else if (argc - optind != 2)
! 1234: (void) fprintf(stderr,
! 1235: "File comparison needs exactly two file arguments.\n");
! 1236: else
! 1237: file_comparison(argc-optind, argv+optind);
! 1238:
! 1239: ExitProgram(EXIT_SUCCESS);
! 1240: }
! 1241:
! 1242: /* infocmp.c ends here */