1 /**************************************************************************** 2 * Copyright 2018-2019,2020 Thomas E. Dickey * 3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 * and: Thomas E. Dickey 1996-on * 34 ****************************************************************************/ 35 36 /* 37 * write_entry.c -- write a terminfo structure onto the file system 38 */ 39 40 #include <curses.priv.h> 41 #include <hashed_db.h> 42 43 #include <tic.h> 44 45 #if 1 46 #define TRACE_OUT(p) DEBUG(2, p) 47 #define TRACE_NUM(n) if (VALID_NUMERIC(Numbers[n])) { \ 48 TRACE_OUT(("put Numbers[%u]=%d", (unsigned) (n), Numbers[n])); } 49 #else 50 #define TRACE_OUT(p) /*nothing */ 51 #define TRACE_NUM(n) /* nothing */ 52 #endif 53 54 MODULE_ID("$Id: write_entry.c,v 1.115 2020/02/02 23:34:34 tom Exp $") 55 56 static int total_written; 57 static int total_parts; 58 static int total_size; 59 60 static int make_db_root(const char *); 61 62 #if !USE_HASHED_DB 63 static void 64 write_file(char *filename, TERMTYPE2 *tp) 65 { 66 char buffer[MAX_ENTRY_SIZE]; 67 unsigned limit = sizeof(buffer); 68 unsigned offset = 0; 69 70 if (_nc_write_object(tp, buffer, &offset, limit) == ERR) { 71 _nc_warning("entry is larger than %u bytes", limit); 72 } else { 73 FILE *fp = ((_nc_access(filename, W_OK) == 0) 74 ? fopen(filename, BIN_W) 75 : 0); 76 size_t actual; 77 78 if (fp == 0) { 79 perror(filename); 80 _nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename); 81 } 82 83 actual = fwrite(buffer, sizeof(char), (size_t) offset, fp); 84 if (actual != offset) { 85 int myerr = ferror(fp) ? errno : 0; 86 if (myerr) { 87 _nc_syserr_abort("error writing %s/%s: %s", 88 _nc_tic_dir(0), 89 filename, 90 strerror(myerr)); 91 } else { 92 _nc_syserr_abort("error writing %s/%s: %u bytes vs actual %lu", 93 _nc_tic_dir(0), 94 filename, 95 offset, 96 (unsigned long) actual); 97 } 98 } else { 99 fclose(fp); 100 DEBUG(1, ("Created %s", filename)); 101 } 102 } 103 } 104 105 /* 106 * Check for access rights to destination directories 107 * Create any directories which don't exist. 108 * 109 * Note: there's no reason to return the result of make_db_root(), since 110 * this function is called only in instances where that has to succeed. 111 */ 112 static void 113 check_writeable(int code) 114 { 115 static const char dirnames[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; 116 static bool verified[sizeof(dirnames)]; 117 118 char dir[sizeof(LEAF_FMT)]; 119 char *s = 0; 120 121 if (code == 0 || (s = (strchr) (dirnames, code)) == 0) 122 _nc_err_abort("Illegal terminfo subdirectory \"" LEAF_FMT "\"", code); 123 124 if (verified[s - dirnames]) 125 return; 126 127 _nc_SPRINTF(dir, _nc_SLIMIT(sizeof(dir)) LEAF_FMT, code); 128 if (make_db_root(dir) < 0) { 129 _nc_err_abort("%s/%s: permission denied", _nc_tic_dir(0), dir); 130 } 131 132 verified[s - dirnames] = TRUE; 133 } 134 #endif /* !USE_HASHED_DB */ 135 136 static int 137 make_db_path(char *dst, const char *src, size_t limit) 138 { 139 int rc = -1; 140 const char *top = _nc_tic_dir(0); 141 142 if (src == top || _nc_is_abs_path(src)) { 143 if (strlen(src) + 1 <= limit) { 144 _nc_STRCPY(dst, src, limit); 145 rc = 0; 146 } 147 } else { 148 if (strlen(top) + strlen(src) + 2 <= limit) { 149 _nc_SPRINTF(dst, _nc_SLIMIT(limit) "%s/%s", top, src); 150 rc = 0; 151 } 152 } 153 #if USE_HASHED_DB 154 if (rc == 0) { 155 static const char suffix[] = DBM_SUFFIX; 156 size_t have = strlen(dst); 157 size_t need = strlen(suffix); 158 if (have > need && strcmp(dst + (int) (have - need), suffix)) { 159 if (have + need <= limit) { 160 _nc_STRCAT(dst, suffix, limit); 161 } else { 162 rc = -1; 163 } 164 } else if (_nc_is_dir_path(dst)) { 165 rc = -1; 166 } 167 } 168 #endif 169 return rc; 170 } 171 172 /* 173 * Make a database-root if it doesn't exist. 174 */ 175 static int 176 make_db_root(const char *path) 177 { 178 int rc; 179 char fullpath[PATH_MAX]; 180 181 if ((rc = make_db_path(fullpath, path, sizeof(fullpath))) == 0) { 182 #if USE_HASHED_DB 183 DB *capdbp; 184 185 if ((capdbp = _nc_db_open(fullpath, TRUE)) == NULL) { 186 rc = -1; 187 } else if (_nc_db_close(capdbp) < 0) { 188 rc = -1; 189 } 190 #else 191 struct stat statbuf; 192 193 if ((rc = stat(path, &statbuf)) < 0) { 194 rc = mkdir(path 195 #if !defined(_WIN32) 196 ,0777 197 #endif 198 ); 199 } else if (_nc_access(path, R_OK | W_OK | X_OK) < 0) { 200 rc = -1; /* permission denied */ 201 } else if (!(S_ISDIR(statbuf.st_mode))) { 202 rc = -1; /* not a directory */ 203 } 204 #endif 205 } 206 return rc; 207 } 208 209 /* 210 * Set the write directory for compiled entries. 211 */ 212 NCURSES_EXPORT(void) 213 _nc_set_writedir(const char *dir) 214 { 215 const char *destination; 216 char actual[PATH_MAX]; 217 218 if (dir == 0 219 #ifndef USE_ROOT_ENVIRON 220 && use_terminfo_vars() 221 #endif 222 ) 223 dir = getenv("TERMINFO"); 224 225 if (dir != 0) 226 (void) _nc_tic_dir(dir); 227 228 destination = _nc_tic_dir(0); 229 if (make_db_root(destination) < 0) { 230 char *home = _nc_home_terminfo(); 231 232 if (home != 0) { 233 destination = home; 234 if (make_db_root(destination) < 0) 235 _nc_err_abort("%s: permission denied (errno %d)", 236 destination, errno); 237 } 238 } 239 240 /* 241 * Note: because of this code, this logic should be exercised 242 * *once only* per run. 243 */ 244 #if USE_HASHED_DB 245 make_db_path(actual, destination, sizeof(actual)); 246 #else 247 if (chdir(_nc_tic_dir(destination)) < 0 248 || getcwd(actual, sizeof(actual)) == 0) 249 _nc_err_abort("%s: not a directory", destination); 250 #endif 251 _nc_keep_tic_dir(strdup(actual)); 252 } 253 254 /* 255 * Save the compiled version of a description in the filesystem. 256 * 257 * make a copy of the name-list 258 * break it up into first-name and all-but-last-name 259 * creat(first-name) 260 * write object information to first-name 261 * close(first-name) 262 * for each name in all-but-last-name 263 * link to first-name 264 * 265 * Using 'time()' to obtain a reference for file timestamps is unreliable, 266 * e.g., with NFS, because the filesystem may have a different time 267 * reference. We check for pre-existence of links by latching the first 268 * timestamp from a file that we create. 269 * 270 * The _nc_warning() calls will report a correct line number only if 271 * _nc_curr_line is properly set before the write_entry() call. 272 */ 273 274 NCURSES_EXPORT(void) 275 _nc_write_entry(TERMTYPE2 *const tp) 276 { 277 #if USE_HASHED_DB 278 279 char buffer[MAX_ENTRY_SIZE + 1]; 280 unsigned limit = sizeof(buffer); 281 unsigned offset = 0; 282 283 #else /* !USE_HASHED_DB */ 284 285 struct stat statbuf; 286 char filename[PATH_MAX]; 287 char linkname[PATH_MAX]; 288 #if USE_SYMLINKS 289 char symlinkname[PATH_MAX]; 290 #if !HAVE_LINK 291 #undef HAVE_LINK 292 #define HAVE_LINK 1 293 #endif 294 #endif /* USE_SYMLINKS */ 295 296 unsigned limit2 = sizeof(filename) - (2 + LEAF_LEN); 297 char saved = '\0'; 298 299 static int call_count; 300 static time_t start_time; /* time at start of writes */ 301 302 #endif /* USE_HASHED_DB */ 303 304 char name_list[MAX_TERMINFO_LENGTH]; 305 char *first_name, *other_names; 306 char *ptr; 307 char *term_names = tp->term_names; 308 size_t name_size = strlen(term_names); 309 310 if (name_size == 0) { 311 _nc_syserr_abort("no terminal name found."); 312 } else if (name_size >= sizeof(name_list) - 1) { 313 _nc_syserr_abort("terminal name too long: %s", term_names); 314 } 315 316 _nc_STRCPY(name_list, term_names, sizeof(name_list)); 317 DEBUG(7, ("Name list = '%s'", name_list)); 318 319 first_name = name_list; 320 321 ptr = &name_list[name_size - 1]; 322 other_names = ptr + 1; 323 324 while (ptr > name_list && *ptr != '|') 325 ptr--; 326 327 if (ptr != name_list) { 328 *ptr = '\0'; 329 330 for (ptr = name_list; *ptr != '\0' && *ptr != '|'; ptr++) 331 continue; 332 333 if (*ptr == '\0') 334 other_names = ptr; 335 else { 336 *ptr = '\0'; 337 other_names = ptr + 1; 338 } 339 } 340 341 DEBUG(7, ("First name = '%s'", first_name)); 342 DEBUG(7, ("Other names = '%s'", other_names)); 343 344 _nc_set_type(first_name); 345 346 #if USE_HASHED_DB 347 if (_nc_write_object(tp, buffer + 1, &offset, limit - 1) != ERR) { 348 DB *capdb = _nc_db_open(_nc_tic_dir(0), TRUE); 349 DBT key, data; 350 351 if (capdb != 0) { 352 buffer[0] = 0; 353 354 memset(&key, 0, sizeof(key)); 355 key.data = term_names; 356 key.size = name_size; 357 358 memset(&data, 0, sizeof(data)); 359 data.data = buffer; 360 data.size = offset + 1; 361 362 _nc_db_put(capdb, &key, &data); 363 364 buffer[0] = 2; 365 366 key.data = name_list; 367 key.size = strlen(name_list); 368 369 _nc_STRCPY(buffer + 1, 370 term_names, 371 sizeof(buffer) - 1); 372 data.size = name_size + 1; 373 374 total_size += data.size; 375 total_parts++; 376 _nc_db_put(capdb, &key, &data); 377 378 while (*other_names != '\0') { 379 ptr = other_names++; 380 assert(ptr < buffer + sizeof(buffer) - 1); 381 while (*other_names != '|' && *other_names != '\0') 382 other_names++; 383 384 if (*other_names != '\0') 385 *(other_names++) = '\0'; 386 387 key.data = ptr; 388 key.size = strlen(ptr); 389 390 total_size += data.size; 391 total_parts++; 392 _nc_db_put(capdb, &key, &data); 393 } 394 } 395 } 396 #else /* !USE_HASHED_DB */ 397 if (call_count++ == 0) { 398 start_time = 0; 399 } 400 401 if (strlen(first_name) >= limit2) { 402 _nc_warning("terminal name too long."); 403 saved = first_name[limit2]; 404 first_name[limit2] = '\0'; 405 } 406 407 _nc_SPRINTF(filename, _nc_SLIMIT(sizeof(filename)) 408 LEAF_FMT "/%.*s", UChar(first_name[0]), 409 (int) (sizeof(filename) - (LEAF_LEN + 2)), 410 first_name); 411 412 if (saved) 413 first_name[limit2] = saved; 414 415 /* 416 * Has this primary name been written since the first call to 417 * write_entry()? If so, the newer write will step on the older, 418 * so warn the user. 419 */ 420 if (start_time > 0 && 421 stat(filename, &statbuf) >= 0 422 && statbuf.st_mtime >= start_time) { 423 #if HAVE_LINK && !USE_SYMLINKS 424 /* 425 * If the file has more than one link, the reason for the previous 426 * write could be that the current primary name used to be an alias for 427 * the previous entry. In that case, unlink the file so that we will 428 * not modify the previous entry as we write this one. 429 */ 430 if (statbuf.st_nlink > 1) { 431 _nc_warning("name redefined."); 432 unlink(filename); 433 } else { 434 _nc_warning("name multiply defined."); 435 } 436 #else 437 _nc_warning("name multiply defined."); 438 #endif 439 } 440 441 check_writeable(first_name[0]); 442 write_file(filename, tp); 443 444 if (start_time == 0) { 445 if (stat(filename, &statbuf) < 0 446 || (start_time = statbuf.st_mtime) == 0) { 447 _nc_syserr_abort("error obtaining time from %s/%s", 448 _nc_tic_dir(0), filename); 449 } 450 } 451 while (*other_names != '\0') { 452 ptr = other_names++; 453 while (*other_names != '|' && *other_names != '\0') 454 other_names++; 455 456 if (*other_names != '\0') 457 *(other_names++) = '\0'; 458 459 if (strlen(ptr) > sizeof(linkname) - (2 + LEAF_LEN)) { 460 _nc_warning("terminal alias %s too long.", ptr); 461 continue; 462 } 463 if (strchr(ptr, '/') != 0) { 464 _nc_warning("cannot link alias %s.", ptr); 465 continue; 466 } 467 468 check_writeable(ptr[0]); 469 _nc_SPRINTF(linkname, _nc_SLIMIT(sizeof(linkname)) 470 LEAF_FMT "/%.*s", ptr[0], 471 (int) sizeof(linkname) - (2 + LEAF_LEN), ptr); 472 473 if (strcmp(filename, linkname) == 0) { 474 _nc_warning("self-synonym ignored"); 475 } else if (stat(linkname, &statbuf) >= 0 && 476 statbuf.st_mtime < start_time) { 477 _nc_warning("alias %s multiply defined.", ptr); 478 } else if (_nc_access(linkname, W_OK) == 0) 479 #if HAVE_LINK 480 { 481 int code; 482 #if USE_SYMLINKS 483 #define MY_SIZE sizeof(symlinkname) - 1 484 if (first_name[0] == linkname[0]) { 485 _nc_STRNCPY(symlinkname, first_name, MY_SIZE); 486 } else { 487 _nc_STRCPY(symlinkname, "../", sizeof(symlinkname)); 488 _nc_STRNCPY(symlinkname + 3, filename, MY_SIZE - 3); 489 } 490 symlinkname[MY_SIZE] = '\0'; 491 #endif /* USE_SYMLINKS */ 492 #if HAVE_REMOVE 493 code = remove(linkname); 494 #else 495 code = unlink(linkname); 496 #endif 497 if (code != 0 && errno == ENOENT) 498 code = 0; 499 #if USE_SYMLINKS 500 if (symlink(symlinkname, linkname) < 0) 501 #else 502 if (link(filename, linkname) < 0) 503 #endif /* USE_SYMLINKS */ 504 { 505 /* 506 * If there wasn't anything there, and we cannot 507 * link to the target because it is the same as the 508 * target, then the source must be on a filesystem 509 * that uses caseless filenames, such as Win32, etc. 510 */ 511 if (code == 0 && errno == EEXIST) 512 _nc_warning("can't link %s to %s", filename, linkname); 513 else if (code == 0 && (errno == EPERM || errno == ENOENT)) 514 write_file(linkname, tp); 515 else { 516 #if MIXEDCASE_FILENAMES 517 _nc_syserr_abort("can't link %s to %s", filename, linkname); 518 #else 519 _nc_warning("can't link %s to %s (errno=%d)", filename, 520 linkname, errno); 521 #endif 522 } 523 } else { 524 DEBUG(1, ("Linked %s", linkname)); 525 } 526 } 527 #else /* just make copies */ 528 write_file(linkname, tp); 529 #endif /* HAVE_LINK */ 530 } 531 #endif /* USE_HASHED_DB */ 532 } 533 534 static size_t 535 fake_write(char *dst, 536 unsigned *offset, 537 size_t limit, 538 char *src, 539 size_t want, 540 size_t size) 541 { 542 size_t have = (limit - *offset); 543 544 want *= size; 545 if (have > 0) { 546 if (want > have) 547 want = have; 548 memcpy(dst + *offset, src, want); 549 *offset += (unsigned) want; 550 } else { 551 want = 0; 552 } 553 return (want / size); 554 } 555 556 #define Write(buf, size, count) fake_write(buffer, offset, (size_t) limit, (char *) buf, (size_t) count, (size_t) size) 557 558 #undef LITTLE_ENDIAN /* BSD/OS defines this as a feature macro */ 559 #define HI(x) ((x) / 256) 560 #define LO(x) ((x) % 256) 561 #define LITTLE_ENDIAN(p, x) (p)[0] = (unsigned char)LO(x), \ 562 (p)[1] = (unsigned char)HI(x) 563 564 #define WRITE_STRING(str) (Write(str, sizeof(char), strlen(str) + 1) == strlen(str) + 1) 565 566 static int 567 compute_offsets(char **Strings, size_t strmax, short *offsets) 568 { 569 int nextfree = 0; 570 size_t i; 571 572 for (i = 0; i < strmax; i++) { 573 if (Strings[i] == ABSENT_STRING) { 574 offsets[i] = -1; 575 } else if (Strings[i] == CANCELLED_STRING) { 576 offsets[i] = -2; 577 } else { 578 offsets[i] = (short) nextfree; 579 nextfree += (int) strlen(Strings[i]) + 1; 580 TRACE_OUT(("put Strings[%d]=%s(%d)", (int) i, 581 _nc_visbuf(Strings[i]), (int) nextfree)); 582 } 583 } 584 return nextfree; 585 } 586 587 static size_t 588 convert_shorts(unsigned char *buf, short *Numbers, size_t count) 589 { 590 size_t i; 591 for (i = 0; i < count; i++) { 592 if (Numbers[i] == ABSENT_NUMERIC) { /* HI/LO won't work */ 593 buf[2 * i] = buf[2 * i + 1] = 0377; 594 } else if (Numbers[i] == CANCELLED_NUMERIC) { /* HI/LO won't work */ 595 buf[2 * i] = 0376; 596 buf[2 * i + 1] = 0377; 597 } else { 598 LITTLE_ENDIAN(buf + 2 * i, Numbers[i]); 599 TRACE_OUT(("put Numbers[%u]=%d", (unsigned) i, Numbers[i])); 600 } 601 } 602 return SIZEOF_SHORT; 603 } 604 605 #if NCURSES_EXT_NUMBERS 606 static size_t 607 convert_16bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count) 608 { 609 size_t i, j; 610 size_t size = SIZEOF_SHORT; 611 for (i = 0; i < count; i++) { 612 unsigned value = (unsigned) Numbers[i]; 613 TRACE_NUM(i); 614 for (j = 0; j < size; ++j) { 615 *buf++ = value & 0xff; 616 value >>= 8; 617 } 618 } 619 return size; 620 } 621 622 static size_t 623 convert_32bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count) 624 { 625 size_t i, j; 626 size_t size = SIZEOF_INT2; 627 for (i = 0; i < count; i++) { 628 unsigned value = (unsigned) Numbers[i]; 629 TRACE_NUM(i); 630 for (j = 0; j < size; ++j) { 631 *buf++ = value & 0xff; 632 value >>= 8; 633 } 634 } 635 return size; 636 } 637 #endif 638 639 #define even_boundary(value) \ 640 ((value) % 2 != 0 && Write(&zero, sizeof(char), 1) != 1) 641 642 #if NCURSES_XNAMES 643 static unsigned 644 extended_Booleans(TERMTYPE2 *tp) 645 { 646 unsigned result = 0; 647 unsigned i; 648 649 for (i = 0; i < tp->ext_Booleans; ++i) { 650 if (tp->Booleans[BOOLCOUNT + i] == TRUE) 651 result = (i + 1); 652 } 653 return result; 654 } 655 656 static unsigned 657 extended_Numbers(TERMTYPE2 *tp) 658 { 659 unsigned result = 0; 660 unsigned i; 661 662 for (i = 0; i < tp->ext_Numbers; ++i) { 663 if (tp->Numbers[NUMCOUNT + i] != ABSENT_NUMERIC) 664 result = (i + 1); 665 } 666 return result; 667 } 668 669 static unsigned 670 extended_Strings(TERMTYPE2 *tp) 671 { 672 unsigned short result = 0; 673 unsigned short i; 674 675 for (i = 0; i < tp->ext_Strings; ++i) { 676 if (tp->Strings[STRCOUNT + i] != ABSENT_STRING) 677 result = (unsigned short) (i + 1); 678 } 679 return result; 680 } 681 682 /* 683 * _nc_align_termtype() will extend entries that are referenced in a use= 684 * clause - discard the unneeded data. 685 */ 686 static bool 687 extended_object(TERMTYPE2 *tp) 688 { 689 bool result = FALSE; 690 691 if (_nc_user_definable) { 692 result = ((extended_Booleans(tp) 693 + extended_Numbers(tp) 694 + extended_Strings(tp)) != 0); 695 } 696 return result; 697 } 698 #endif 699 700 NCURSES_EXPORT(int) 701 _nc_write_object(TERMTYPE2 *tp, char *buffer, unsigned *offset, unsigned limit) 702 { 703 char *namelist; 704 size_t namelen, boolmax, nummax, strmax, numlen; 705 char zero = '\0'; 706 size_t i; 707 int nextfree; 708 short offsets[MAX_ENTRY_SIZE / 2]; 709 unsigned char buf[MAX_ENTRY_SIZE]; 710 unsigned last_bool = BOOLWRITE; 711 unsigned last_num = NUMWRITE; 712 unsigned last_str = STRWRITE; 713 #if NCURSES_EXT_NUMBERS 714 bool need_ints = FALSE; 715 size_t (*convert_numbers) (unsigned char *, NCURSES_INT2 *, size_t) = convert_32bit; 716 #else 717 #define convert_numbers convert_shorts 718 #endif 719 720 #if NCURSES_XNAMES 721 /* 722 * Normally we limit the list of values to exclude the "obsolete" 723 * capabilities. However, if we are accepting extended names, add 724 * these as well, since they are used for supporting translation 725 * to/from termcap. 726 */ 727 if (_nc_user_definable) { 728 last_bool = BOOLCOUNT; 729 last_num = NUMCOUNT; 730 last_str = STRCOUNT; 731 } 732 #endif 733 734 namelist = tp->term_names; 735 namelen = strlen(namelist) + 1; 736 737 boolmax = 0; 738 for (i = 0; i < last_bool; i++) { 739 if (tp->Booleans[i] == TRUE) { 740 boolmax = i + 1; 741 } 742 } 743 744 nummax = 0; 745 for (i = 0; i < last_num; i++) { 746 if (tp->Numbers[i] != ABSENT_NUMERIC) { 747 nummax = i + 1; 748 #if NCURSES_EXT_NUMBERS 749 if (tp->Numbers[i] > MAX_OF_TYPE(NCURSES_COLOR_T)) { 750 need_ints = TRUE; 751 } 752 #endif 753 } 754 } 755 756 strmax = 0; 757 for (i = 0; i < last_str; i++) { 758 if (tp->Strings[i] != ABSENT_STRING) 759 strmax = i + 1; 760 } 761 762 nextfree = compute_offsets(tp->Strings, strmax, offsets); 763 764 /* fill in the header */ 765 #if NCURSES_EXT_NUMBERS 766 if (need_ints) { 767 convert_numbers = convert_32bit; 768 LITTLE_ENDIAN(buf, MAGIC2); 769 } else { 770 convert_numbers = convert_16bit; 771 LITTLE_ENDIAN(buf, MAGIC); 772 } 773 #else 774 LITTLE_ENDIAN(buf, MAGIC); 775 #endif 776 LITTLE_ENDIAN(buf + 2, min(namelen, MAX_NAME_SIZE + 1)); 777 LITTLE_ENDIAN(buf + 4, boolmax); 778 LITTLE_ENDIAN(buf + 6, nummax); 779 LITTLE_ENDIAN(buf + 8, strmax); 780 LITTLE_ENDIAN(buf + 10, nextfree); 781 782 /* write out the header */ 783 TRACE_OUT(("Header of %s @%d", namelist, *offset)); 784 if (Write(buf, 12, 1) != 1 785 || Write(namelist, sizeof(char), namelen) != namelen) { 786 return (ERR); 787 } 788 789 for (i = 0; i < boolmax; i++) { 790 if (tp->Booleans[i] == TRUE) { 791 buf[i] = TRUE; 792 } else { 793 buf[i] = FALSE; 794 } 795 } 796 if (Write(buf, sizeof(char), boolmax) != boolmax) { 797 return (ERR); 798 } 799 800 if (even_boundary(namelen + boolmax)) { 801 return (ERR); 802 } 803 804 TRACE_OUT(("Numerics begin at %04x", *offset)); 805 806 /* the numerics */ 807 numlen = convert_numbers(buf, tp->Numbers, nummax); 808 if (Write(buf, numlen, nummax) != nummax) { 809 return (ERR); 810 } 811 812 TRACE_OUT(("String offsets begin at %04x", *offset)); 813 814 /* the string offsets */ 815 convert_shorts(buf, offsets, strmax); 816 if (Write(buf, SIZEOF_SHORT, strmax) != strmax) { 817 return (ERR); 818 } 819 820 TRACE_OUT(("String table begins at %04x", *offset)); 821 822 /* the strings */ 823 for (i = 0; i < strmax; i++) { 824 if (VALID_STRING(tp->Strings[i])) { 825 if (!WRITE_STRING(tp->Strings[i])) { 826 return (ERR); 827 } 828 } 829 } 830 831 #if NCURSES_XNAMES 832 if (extended_object(tp)) { 833 unsigned ext_total = (unsigned) NUM_EXT_NAMES(tp); 834 unsigned ext_usage = ext_total; 835 836 if (even_boundary(nextfree)) { 837 return (ERR); 838 } 839 840 nextfree = compute_offsets(tp->Strings + STRCOUNT, 841 (size_t) tp->ext_Strings, 842 offsets); 843 TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree)); 844 845 if (tp->ext_Strings >= SIZEOF(offsets)) { 846 return (ERR); 847 } 848 849 nextfree += compute_offsets(tp->ext_Names, 850 (size_t) ext_total, 851 offsets + tp->ext_Strings); 852 TRACE_OUT(("after extended capnames, nextfree=%d", nextfree)); 853 strmax = tp->ext_Strings + ext_total; 854 for (i = 0; i < tp->ext_Strings; ++i) { 855 if (VALID_STRING(tp->Strings[i + STRCOUNT])) { 856 ext_usage++; 857 } 858 } 859 TRACE_OUT(("will write %u/%lu strings", ext_usage, (unsigned long) strmax)); 860 861 /* 862 * Write the extended header 863 */ 864 LITTLE_ENDIAN(buf + 0, tp->ext_Booleans); 865 LITTLE_ENDIAN(buf + 2, tp->ext_Numbers); 866 LITTLE_ENDIAN(buf + 4, tp->ext_Strings); 867 LITTLE_ENDIAN(buf + 6, ext_usage); 868 LITTLE_ENDIAN(buf + 8, nextfree); 869 TRACE_OUT(("WRITE extended-header @%d", *offset)); 870 if (Write(buf, 10, 1) != 1) { 871 return (ERR); 872 } 873 874 TRACE_OUT(("WRITE %d booleans @%d", tp->ext_Booleans, *offset)); 875 if (tp->ext_Booleans 876 && Write(tp->Booleans + BOOLCOUNT, sizeof(char), 877 tp->ext_Booleans) != tp->ext_Booleans) { 878 return (ERR); 879 } 880 881 if (even_boundary(tp->ext_Booleans)) { 882 return (ERR); 883 } 884 885 TRACE_OUT(("WRITE %d numbers @%d", tp->ext_Numbers, *offset)); 886 if (tp->ext_Numbers) { 887 numlen = convert_numbers(buf, tp->Numbers + NUMCOUNT, (size_t) tp->ext_Numbers); 888 if (Write(buf, numlen, tp->ext_Numbers) != tp->ext_Numbers) { 889 return (ERR); 890 } 891 } 892 893 /* 894 * Convert the offsets for the ext_Strings and ext_Names tables, 895 * in that order. 896 */ 897 convert_shorts(buf, offsets, strmax); 898 TRACE_OUT(("WRITE offsets @%d", *offset)); 899 if (Write(buf, SIZEOF_SHORT, strmax) != strmax) { 900 return (ERR); 901 } 902 903 /* 904 * Write the string table after the offset tables so we do not 905 * have to do anything about alignment. 906 */ 907 for (i = 0; i < tp->ext_Strings; i++) { 908 if (VALID_STRING(tp->Strings[i + STRCOUNT])) { 909 TRACE_OUT(("WRITE ext_Strings[%d]=%s", (int) i, 910 _nc_visbuf(tp->Strings[i + STRCOUNT]))); 911 if (!WRITE_STRING(tp->Strings[i + STRCOUNT])) { 912 return (ERR); 913 } 914 } 915 } 916 917 /* 918 * Write the extended names 919 */ 920 for (i = 0; i < ext_total; i++) { 921 TRACE_OUT(("WRITE ext_Names[%d]=%s", (int) i, tp->ext_Names[i])); 922 if (!WRITE_STRING(tp->ext_Names[i])) { 923 return (ERR); 924 } 925 } 926 927 } 928 #endif /* NCURSES_XNAMES */ 929 930 total_written++; 931 total_parts++; 932 total_size = total_size + (int) (*offset + 1); 933 return (OK); 934 } 935 936 /* 937 * Returns the total number of entries written by this process 938 */ 939 NCURSES_EXPORT(int) 940 _nc_tic_written(void) 941 { 942 TR(TRACE_DATABASE, ("_nc_tic_written %d entries, %d parts, %d size", 943 total_written, total_parts, total_size)); 944 return total_written; 945 } 946