1 /****************************************************************************
2 * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 * and: Thomas E. Dickey 1996-on *
33 ****************************************************************************/
36 * read_entry.c -- Routine for reading in a compiled terminfo file
39 #include <curses.priv.h>
40 #include <hashed_db.h>
44 MODULE_ID("$Id: read_entry.c,v 1.155 2019/07/20 20:23:11 tom Exp $")
46 #define TYPE_CALLOC(type,elts) typeCalloc(type, (unsigned)(elts))
48 #define MyNumber(n) (short) LOW_MSB(n)
50 #define SIZEOF_32BITS 4
52 #if NCURSES_USE_DATABASE
53 #if NCURSES_EXT_NUMBERS
55 convert_16bits(char *buf, NCURSES_INT2 *Numbers, int count)
59 size_t size = SIZEOF_SHORT;
60 for (i = 0; i < count; i++) {
64 for (j = 0; j < size; ++j) {
66 Numbers[i] |= (ch << (8 * j));
71 Numbers[i] |= (int) mask;
75 TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
81 convert_32bits(char *buf, NCURSES_INT2 *Numbers, int count)
85 size_t size = SIZEOF_INT2;
88 assert(sizeof(NCURSES_INT2) == size);
89 for (i = 0; i < count; i++) {
91 for (j = 0; j < size; ++j) {
93 Numbers[i] |= (ch << (8 * j));
95 /* "unsigned" and NCURSES_INT2 are the same size - no sign-extension */
96 TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
102 convert_32bits(char *buf, NCURSES_INT2 *Numbers, int count)
106 for (i = 0; i < count; i++) {
108 for (j = 0; j < SIZEOF_32BITS; ++j) {
110 value |= (ch << (8 * j));
113 Numbers[i] = ABSENT_NUMERIC;
114 else if (value == -2)
115 Numbers[i] = CANCELLED_NUMERIC;
116 else if (value > MAX_OF_TYPE(NCURSES_INT2))
117 Numbers[i] = MAX_OF_TYPE(NCURSES_INT2);
119 Numbers[i] = (short) value;
120 TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
126 convert_16bits(char *buf, NCURSES_INT2 *Numbers, int count)
129 for (i = 0; i < count; i++) {
130 if (IS_NEG1(buf + 2 * i))
131 Numbers[i] = ABSENT_NUMERIC;
132 else if (IS_NEG2(buf + 2 * i))
133 Numbers[i] = CANCELLED_NUMERIC;
135 Numbers[i] = MyNumber(buf + 2 * i);
136 TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
143 convert_strings(char *buf, char **Strings, int count, int size, char *table)
148 for (i = 0; i < count; i++) {
149 if (IS_NEG1(buf + 2 * i)) {
150 Strings[i] = ABSENT_STRING;
151 } else if (IS_NEG2(buf + 2 * i)) {
152 Strings[i] = CANCELLED_STRING;
153 } else if (MyNumber(buf + 2 * i) > size) {
154 Strings[i] = ABSENT_STRING;
156 Strings[i] = (MyNumber(buf + 2 * i) + table);
157 TR(TRACE_DATABASE, ("Strings[%d] = %s", i, _nc_visbuf(Strings[i])));
160 /* make sure all strings are NUL terminated */
161 if (VALID_STRING(Strings[i])) {
162 for (p = Strings[i]; p <= table + size; p++)
165 /* if there is no NUL, ignore the string */
166 if (p > table + size)
167 Strings[i] = ABSENT_STRING;
173 fake_read(char *src, int *offset, int limit, char *dst, unsigned want)
175 int have = (limit - *offset);
178 if ((int) want > have)
179 want = (unsigned) have;
180 memcpy(dst, src + *offset, (size_t) want);
181 *offset += (int) want;
188 #define Read(buf, count) fake_read(buffer, &offset, limit, (char *) buf, (unsigned) count)
190 #define read_shorts(buf, count) \
191 (Read(buf, (count)*SIZEOF_SHORT) == (int) (count)*SIZEOF_SHORT)
193 #define read_numbers(buf, count) \
194 (Read(buf, (count)*(unsigned)size_of_numbers) == (int) (count)*size_of_numbers)
196 #define even_boundary(value) \
197 if ((value) % 2 != 0) Read(buf, 1)
201 _nc_init_termtype(TERMTYPE2 *const tp)
206 tp->num_Booleans = BOOLCOUNT;
207 tp->num_Numbers = NUMCOUNT;
208 tp->num_Strings = STRCOUNT;
209 tp->ext_Booleans = 0;
213 if (tp->Booleans == 0)
214 TYPE_MALLOC(NCURSES_SBOOL, BOOLCOUNT, tp->Booleans);
215 if (tp->Numbers == 0)
216 TYPE_MALLOC(NCURSES_INT2, NUMCOUNT, tp->Numbers);
217 if (tp->Strings == 0)
218 TYPE_MALLOC(char *, STRCOUNT, tp->Strings);
220 for_each_boolean(i, tp)
221 tp->Booleans[i] = FALSE;
223 for_each_number(i, tp)
224 tp->Numbers[i] = ABSENT_NUMERIC;
226 for_each_string(i, tp)
227 tp->Strings[i] = ABSENT_STRING;
230 #if NCURSES_USE_DATABASE
233 valid_shorts(char *buffer, int limit)
237 for (n = 0; n < limit; ++n) {
238 if (MyNumber(buffer + (n * 2)) > 0) {
248 * Return TGETENT_YES if read, TGETENT_NO if not found or garbled.
251 _nc_read_termtype(TERMTYPE2 *ptr, char *buffer, int limit)
254 int name_size, bool_count, num_count, str_count, str_size;
256 char buf[MAX_ENTRY_SIZE + 2];
260 size_t (*convert_numbers) (char *, NCURSES_INT2 *, int);
262 int max_entry_size = MAX_ENTRY_SIZE;
265 (T_CALLED("_nc_read_termtype(ptr=%p, buffer=%p, limit=%d)"),
266 (void *) ptr, buffer, limit));
268 TR(TRACE_DATABASE, ("READ termtype header @%d", offset));
270 memset(ptr, 0, sizeof(*ptr));
272 /* grab the header */
273 if (!read_shorts(buf, 6)
274 || !IS_TIC_MAGIC(buf)) {
275 returnDB(TGETENT_NO);
277 #if NCURSES_EXT_NUMBERS
278 if ((need_ints = (LOW_MSB(buf) == MAGIC2))) {
279 convert_numbers = convert_32bits;
280 size_of_numbers = SIZEOF_INT2;
282 max_entry_size = MAX_ENTRY_SIZE1;
283 convert_numbers = convert_16bits;
284 size_of_numbers = SIZEOF_SHORT;
287 if ((need_ints = (LOW_MSB(buf) == MAGIC2))) {
288 convert_numbers = convert_32bits;
289 size_of_numbers = SIZEOF_32BITS;
291 convert_numbers = convert_16bits;
292 size_of_numbers = SIZEOF_INT2;
297 name_size = MyNumber(buf + 2);
298 bool_count = MyNumber(buf + 4);
299 num_count = MyNumber(buf + 6);
300 str_count = MyNumber(buf + 8);
301 str_size = MyNumber(buf + 10);
304 ("TERMTYPE name_size=%d, bool=%d/%d, num=%d/%d str=%d/%d(%d)",
305 name_size, bool_count, BOOLCOUNT, num_count, NUMCOUNT,
306 str_count, STRCOUNT, str_size));
312 returnDB(TGETENT_NO);
315 want = (unsigned) (str_size + name_size + 1);
316 /* try to allocate space for the string table */
317 if (str_count * SIZEOF_SHORT >= max_entry_size
318 || (string_table = typeMalloc(char, want)) == 0) {
319 returnDB(TGETENT_NO);
322 /* grab the name (a null-terminated string) */
323 want = min(MAX_NAME_SIZE, (unsigned) name_size);
324 ptr->str_table = string_table;
325 ptr->term_names = string_table;
326 if ((have = (unsigned) Read(ptr->term_names, want)) != want) {
327 memset(ptr->term_names + have, 0, (size_t) (want - have));
329 ptr->term_names[want] = '\0';
330 string_table += (want + 1);
332 if (have > MAX_NAME_SIZE)
333 offset = (int) (have - MAX_NAME_SIZE);
335 /* grab the booleans */
336 if ((ptr->Booleans = TYPE_CALLOC(NCURSES_SBOOL,
337 max(BOOLCOUNT, bool_count))) == 0
338 || Read(ptr->Booleans, (unsigned) bool_count) < bool_count) {
339 returnDB(TGETENT_NO);
343 * If booleans end on an odd byte, skip it. The machine they
344 * originally wrote terminfo on must have been a 16-bit
345 * word-oriented machine that would trap out if you tried a
346 * word access off a 2-byte boundary.
348 even_boundary(name_size + bool_count);
350 /* grab the numbers */
351 if (!(ptr->Numbers = TYPE_CALLOC(NCURSES_INT2, max(NUMCOUNT, num_count)))
352 || !read_numbers(buf, num_count)) {
353 returnDB(TGETENT_NO);
355 convert_numbers(buf, ptr->Numbers, num_count);
357 if ((ptr->Strings = TYPE_CALLOC(char *, max(STRCOUNT, str_count))) == 0) {
358 returnDB(TGETENT_NO);
362 /* grab the string offsets */
363 if (!read_shorts(buf, str_count)) {
364 returnDB(TGETENT_NO);
366 /* finally, grab the string table itself */
367 if (Read(string_table, (unsigned) str_size) != str_size) {
368 returnDB(TGETENT_NO);
370 convert_strings(buf, ptr->Strings, str_count, str_size, string_table);
374 ptr->num_Booleans = BOOLCOUNT;
375 ptr->num_Numbers = NUMCOUNT;
376 ptr->num_Strings = STRCOUNT;
379 * Read extended entries, if any, after the normal end of terminfo data.
381 even_boundary(str_size);
382 TR(TRACE_DATABASE, ("READ extended_header @%d", offset));
383 if (_nc_user_definable && read_shorts(buf, 5) && valid_shorts(buf, 5)) {
384 int ext_bool_count = MyNumber(buf + 0);
385 int ext_num_count = MyNumber(buf + 2);
386 int ext_str_count = MyNumber(buf + 4);
387 int ext_str_usage = MyNumber(buf + 6);
388 int ext_str_limit = MyNumber(buf + 8);
389 unsigned need = (unsigned) (ext_bool_count + ext_num_count + ext_str_count);
392 if ((int) need >= (max_entry_size / 2)
393 || ext_str_usage >= max_entry_size
394 || ext_str_limit >= max_entry_size
395 || ext_bool_count < 0
399 || ext_str_limit < 0) {
400 returnDB(TGETENT_NO);
403 ptr->num_Booleans = UShort(BOOLCOUNT + ext_bool_count);
404 ptr->num_Numbers = UShort(NUMCOUNT + ext_num_count);
405 ptr->num_Strings = UShort(STRCOUNT + ext_str_count);
407 TYPE_REALLOC(NCURSES_SBOOL, ptr->num_Booleans, ptr->Booleans);
408 TYPE_REALLOC(NCURSES_INT2, ptr->num_Numbers, ptr->Numbers);
409 TYPE_REALLOC(char *, ptr->num_Strings, ptr->Strings);
411 TR(TRACE_DATABASE, ("extended header: "
421 TR(TRACE_DATABASE, ("READ %d extended-booleans @%d",
422 ext_bool_count, offset));
423 if ((ptr->ext_Booleans = UShort(ext_bool_count)) != 0) {
424 if (Read(ptr->Booleans + BOOLCOUNT, (unsigned)
425 ext_bool_count) != ext_bool_count) {
426 returnDB(TGETENT_NO);
429 even_boundary(ext_bool_count);
431 TR(TRACE_DATABASE, ("READ %d extended-numbers @%d",
432 ext_num_count, offset));
433 if ((ptr->ext_Numbers = UShort(ext_num_count)) != 0) {
434 if (!read_numbers(buf, ext_num_count)) {
435 returnDB(TGETENT_NO);
437 TR(TRACE_DATABASE, ("Before converting extended-numbers"));
438 convert_numbers(buf, ptr->Numbers + NUMCOUNT, ext_num_count);
441 TR(TRACE_DATABASE, ("READ extended-offsets @%d", offset));
442 if ((ext_str_count + (int) need) >= (max_entry_size / 2)) {
443 returnDB(TGETENT_NO);
445 if ((ext_str_count || need)
446 && !read_shorts(buf, ext_str_count + (int) need)) {
447 returnDB(TGETENT_NO);
450 TR(TRACE_DATABASE, ("READ %d bytes of extended-strings @%d",
451 ext_str_limit, offset));
454 ptr->ext_str_table = typeMalloc(char, (size_t) ext_str_limit);
455 if (ptr->ext_str_table == 0) {
456 returnDB(TGETENT_NO);
458 if (Read(ptr->ext_str_table, (unsigned) ext_str_limit) != ext_str_limit) {
459 returnDB(TGETENT_NO);
461 TR(TRACE_DATABASE, ("first extended-string is %s", _nc_visbuf(ptr->ext_str_table)));
464 if ((ptr->ext_Strings = UShort(ext_str_count)) != 0) {
465 int check = (ext_bool_count + ext_num_count + ext_str_count);
468 ("Before computing extended-string capabilities "
469 "str_count=%d, ext_str_count=%d",
470 str_count, ext_str_count));
471 convert_strings(buf, ptr->Strings + str_count, ext_str_count,
472 ext_str_limit, ptr->ext_str_table);
473 for (i = ext_str_count - 1; i >= 0; i--) {
474 TR(TRACE_DATABASE, ("MOVE from [%d:%d] %s",
476 _nc_visbuf(ptr->Strings[i + str_count])));
477 ptr->Strings[i + STRCOUNT] = ptr->Strings[i + str_count];
478 if (VALID_STRING(ptr->Strings[i + STRCOUNT])) {
479 base += (int) (strlen(ptr->Strings[i + STRCOUNT]) + 1);
482 TR(TRACE_DATABASE, ("... to [%d] %s",
484 _nc_visbuf(ptr->Strings[i + STRCOUNT])));
486 TR(TRACE_DATABASE, ("Check table-size: %d/%d", check, ext_str_usage));
489 * Phasing in a proper check will be done "later".
491 if (check != ext_str_usage)
492 returnDB(TGETENT_NO);
497 if (ext_str_count >= (max_entry_size / 2)) {
498 returnDB(TGETENT_NO);
500 if ((ptr->ext_Names = TYPE_CALLOC(char *, need)) == 0) {
501 returnDB(TGETENT_NO);
504 ("ext_NAMES starting @%d in extended_strings, first = %s",
505 base, _nc_visbuf(ptr->ext_str_table + base)));
506 convert_strings(buf + (2 * ext_str_count),
509 ext_str_limit, ptr->ext_str_table + base);
513 ("...done reading terminfo bool %d(%d) num %d(%d) str %d(%d)",
514 ptr->num_Booleans, ptr->ext_Booleans,
515 ptr->num_Numbers, ptr->ext_Numbers,
516 ptr->num_Strings, ptr->ext_Strings));
518 TR(TRACE_DATABASE, ("extend: num_Booleans:%d", ptr->num_Booleans));
520 #endif /* NCURSES_XNAMES */
522 TR(TRACE_DATABASE, ("...done reading terminfo bool %d num %d str %d",
523 bool_count, num_count, str_count));
525 TR(TRACE_DATABASE, ("normal: num_Booleans:%d", ptr->num_Booleans));
529 for (i = bool_count; i < BOOLCOUNT; i++)
530 ptr->Booleans[i] = FALSE;
531 for (i = num_count; i < NUMCOUNT; i++)
532 ptr->Numbers[i] = ABSENT_NUMERIC;
533 for (i = str_count; i < STRCOUNT; i++)
534 ptr->Strings[i] = ABSENT_STRING;
536 returnDB(TGETENT_YES);
541 * _nc_read_file_entry(filename, ptr)
543 * Read the compiled terminfo entry in the given file into the
544 * structure pointed to by ptr, allocating space for the string
548 _nc_read_file_entry(const char *const filename, TERMTYPE2 *ptr)
549 /* return 1 if read, 0 if not found or garbled */
554 if (_nc_access(filename, R_OK) < 0
555 || (fp = fopen(filename, BIN_R)) == 0) {
556 TR(TRACE_DATABASE, ("cannot open terminfo %s (errno=%d)", filename, errno));
560 char buffer[MAX_ENTRY_SIZE + 1];
562 if ((limit = (int) fread(buffer, sizeof(char), sizeof(buffer), fp))
565 TR(TRACE_DATABASE, ("read terminfo %s", filename));
566 if ((code = _nc_read_termtype(ptr, buffer, limit)) == TGETENT_NO) {
567 _nc_free_termtype2(ptr);
580 * Return if if we can build the filename of a ".db" file.
583 make_db_filename(char *filename, unsigned limit, const char *const path)
585 static const char suffix[] = DBM_SUFFIX;
587 size_t lens = sizeof(suffix) - 1;
588 size_t size = strlen(path);
589 size_t test = lens + size;
594 && !strcmp(path + size - lens, suffix))
595 _nc_STRCPY(filename, path, limit);
597 _nc_SPRINTF(filename, _nc_SLIMIT(limit) "%s%s", path, suffix);
605 * Return true if we can build the name of a filesystem entry.
608 make_dir_filename(char *filename,
610 const char *const path,
615 #if NCURSES_USE_TERMCAP
616 if (_nc_is_dir_path(path))
619 unsigned need = (unsigned) (LEAF_LEN + 3 + strlen(path) + strlen(name));
622 _nc_SPRINTF(filename, _nc_SLIMIT(limit)
623 "%s/" LEAF_FMT "/%s", path, *name, name);
631 lookup_b64(int *target, const char **source)
636 * ncurses' quickdump writes only RFC 4648 "url/filename-safe" encoding,
637 * but accepts RFC-3548
639 for (j = 0; j < 4; ++j) {
640 int ch = UChar(**source);
642 if (ch >= 'A' && ch <= 'Z') {
643 target[j] = (ch - 'A');
644 } else if (ch >= 'a' && ch <= 'z') {
645 target[j] = 26 + (ch - 'a');
646 } else if (ch >= '0' && ch <= '9') {
647 target[j] = 52 + (ch - '0');
648 } else if (ch == '-' || ch == '+') {
650 } else if (ch == '_' || ch == '/') {
652 } else if (ch == '=') {
664 decode_hex(const char **source)
670 for (nibble = 0; nibble < 2; ++nibble) {
672 ch = UChar(**source);
674 if (ch >= '0' && ch <= '9') {
676 } else if (ch >= 'A' && ch <= 'F') {
679 } else if (ch >= 'a' && ch <= 'f') {
692 decode_quickdump(char *target, const char *source)
697 if (!strncmp(source, "b64:", (size_t) 4)) {
699 while (*source != '\0') {
701 int ch = lookup_b64(bits, &source);
702 if (ch < 0 || (ch + target - base) >= MAX_ENTRY_SIZE) {
707 *target++ = (char) ((bits[0] << 2) | (bits[1] >> 4));
709 *target++ = (char) ((bits[1] << 4) | (bits[2] >> 2));
711 *target++ = (char) ((bits[2] << 6) | bits[3]);
715 } else if (!strncmp(source, "hex:", (size_t) 4)) {
717 while (*source != '\0') {
718 int ch = decode_hex(&source);
719 if (ch < 0 || (target - base) >= MAX_ENTRY_SIZE) {
723 *target++ = (char) ch;
731 * Build a terminfo pathname and try to read the data. Returns TGETENT_YES on
732 * success, TGETENT_NO on failure.
735 _nc_read_tic_entry(char *filename,
737 const char *const path,
741 int code = TGETENT_NO;
745 char buffer[MAX_ENTRY_SIZE + 1];
749 (T_CALLED("_nc_read_tic_entry(file=%p, path=%s, name=%s)"),
750 filename, path, name));
752 assert(TGETENT_YES == TRUE); /* simplify call for _nc_name_match */
754 if ((used = decode_quickdump(buffer, path)) != 0
755 && (code = _nc_read_termtype(tp, buffer, used)) == TGETENT_YES
756 && (code = _nc_name_match(tp->term_names, name, "|")) == TGETENT_YES) {
757 TR(TRACE_DATABASE, ("loaded quick-dump for %s", name));
758 /* shorten name shown by infocmp */
759 _nc_STRCPY(filename, "$TERMINFO", limit);
762 if (make_db_filename(filename, limit, path)
763 && (capdbp = _nc_db_open(filename, FALSE)) != 0) {
767 char *save = strdup(name);
769 memset(&key, 0, sizeof(key));
771 key.size = strlen(save);
774 * This lookup could return termcap data, which we do not want. We are
775 * looking for compiled (binary) terminfo data.
777 * cgetent uses a two-level lookup. On the first it uses the given
778 * name to return a record containing only the aliases for an entry.
779 * On the second (using that list of aliases as a key), it returns the
780 * content of the terminal description. We expect second lookup to
781 * return data beginning with the same set of aliases.
783 * For compiled terminfo, the list of aliases in the second case will
784 * be null-terminated. A termcap entry will not be, and will run on
785 * into the description. So we can easily distinguish between the two
786 * (source/binary) by checking the lengths.
788 while (_nc_db_get(capdbp, &key, &data) == 0) {
789 char *have = (char *) data.data;
790 used = (int) data.size - 1;
793 if (data.size > key.size
794 && IS_TIC_MAGIC(have)) {
795 code = _nc_read_termtype(tp, have, used);
796 if (code == TGETENT_NO) {
797 _nc_free_termtype2(tp);
804 * Just in case we have a corrupt database, do not waste time with
811 * Prepare for the second level.
818 } else /* may be either filesystem or flat file */
820 if (make_dir_filename(filename, limit, path, name)) {
821 code = _nc_read_file_entry(filename, tp);
823 #if NCURSES_USE_TERMCAP
824 if (code != TGETENT_YES) {
825 code = _nc_read_termcap_entry(name, tp);
826 _nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
827 "%.*s", PATH_MAX - 1, _nc_get_source());
832 #endif /* NCURSES_USE_DATABASE */
835 * Find and read the compiled entry for a given terminal type, if it exists.
836 * We take pains here to make sure no combination of environment variables and
837 * terminal type name can be used to overrun the file buffer.
840 _nc_read_entry2(const char *const name, char *const filename, TERMTYPE2 *const tp)
842 int code = TGETENT_NO;
845 return _nc_read_entry2("", filename, tp);
847 _nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
848 "%.*s", PATH_MAX - 1, name);
850 if (strlen(name) == 0
851 || strcmp(name, ".") == 0
852 || strcmp(name, "..") == 0
853 || _nc_pathlast(name) != 0
854 || strchr(name, NCURSES_PATHSEP) != 0) {
855 TR(TRACE_DATABASE, ("illegal or missing entry name '%s'", name));
857 #if NCURSES_USE_DATABASE
862 _nc_first_db(&state, &offset);
864 while ((path = _nc_next_db(&state, &offset)) != 0) {
865 code = _nc_read_tic_entry(filename, PATH_MAX, path, name, tp);
866 if (code == TGETENT_YES) {
871 #elif NCURSES_USE_TERMCAP
872 if (code != TGETENT_YES) {
873 code = _nc_read_termcap_entry(name, tp);
874 _nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
875 "%.*s", PATH_MAX - 1, _nc_get_source());
882 #if NCURSES_EXT_NUMBERS
884 * This entrypoint is used by tack.
887 _nc_read_entry(const char *const name, char *const filename, TERMTYPE *const tp)
891 rc = _nc_read_entry2(name, filename, &dummy);
892 if (rc == TGETENT_YES)
893 _nc_export_termtype2(tp, &dummy);