1 /****************************************************************************
2 * Copyright 2018-2022,2023 Thomas E. Dickey *
3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
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: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
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. *
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 *
28 ****************************************************************************/
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 * and: Juergen Pfeifer 2009 *
35 ****************************************************************************/
38 * Terminal setup routines common to termcap and terminfo:
42 * setupterm(char *, int, int *)
45 #include <curses.priv.h>
46 #include <tic.h> /* for MAX_NAME_SIZE */
52 MODULE_ID("$Id: lib_setup.c,v 1.222 2023/09/16 12:29:28 tom Exp $")
54 /****************************************************************************
56 * Terminal size computation
58 ****************************************************************************/
61 # if !defined(sun) || !TERMIOS
63 # include <sys/ioctl.h>
69 /* On SCO, they neglected to define struct winsize in termios.h -- it is only
70 * in termio.h and ptem.h (the former conflicts with other definitions).
72 # include <sys/stream.h>
73 # include <sys/ptem.h>
76 #if HAVE_LANGINFO_CODESET
81 * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
82 * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
85 # define IOCTL_WINSIZE TIOCGSIZE
86 # define STRUCT_WINSIZE struct ttysize
87 # define WINSIZE_ROWS(n) (int)n.ts_lines
88 # define WINSIZE_COLS(n) (int)n.ts_cols
91 # define IOCTL_WINSIZE TIOCGWINSZ
92 # define STRUCT_WINSIZE struct winsize
93 # define WINSIZE_ROWS(n) (int)n.ws_row
94 # define WINSIZE_COLS(n) (int)n.ws_col
99 * Reduce explicit use of "cur_term" global variable.
102 #define CUR TerminalType(termp).
105 * Wrap global variables in this module.
109 NCURSES_EXPORT(char *)
110 NCURSES_PUBLIC_VAR(ttytype) (void)
112 static char empty[] = "";
113 char *result = empty;
116 if (CURRENT_SCREEN) {
117 TERMINAL *termp = TerminalOf(CURRENT_SCREEN);
119 result = TerminalType(termp).term_names;
124 result = TerminalType(cur_term).term_names;
130 NCURSES_EXPORT(int *)
131 _nc_ptr_Lines(SCREEN *sp)
137 NCURSES_PUBLIC_VAR(LINES) (void)
139 return *_nc_ptr_Lines(CURRENT_SCREEN);
142 NCURSES_EXPORT(int *)
143 _nc_ptr_Cols(SCREEN *sp)
149 NCURSES_PUBLIC_VAR(COLS) (void)
151 return *_nc_ptr_Cols(CURRENT_SCREEN);
154 NCURSES_EXPORT(int *)
155 _nc_ptr_Tabsize(SCREEN *sp)
157 return ptrTabsize(sp);
161 NCURSES_PUBLIC_VAR(TABSIZE) (void)
163 return *_nc_ptr_Tabsize(CURRENT_SCREEN);
166 NCURSES_EXPORT_VAR(char) ttytype[NAMESIZE] = "";
167 NCURSES_EXPORT_VAR(int) LINES = 0;
168 NCURSES_EXPORT_VAR(int) COLS = 0;
169 NCURSES_EXPORT_VAR(int) TABSIZE = 8;
172 #if NCURSES_EXT_FUNCS
174 NCURSES_SP_NAME(set_tabsize) (NCURSES_SP_DCLx int value)
182 SP_PARM->_TABSIZE = value;
196 set_tabsize(int value)
198 return NCURSES_SP_NAME(set_tabsize) (CURRENT_SCREEN, value);
201 #endif /* NCURSES_EXT_FUNCS */
205 * If we have a pending SIGWINCH, set the flag in each screen.
208 _nc_handle_sigwinch(SCREEN *sp)
212 if (_nc_globals.have_sigwinch) {
213 _nc_globals.have_sigwinch = 0;
215 for (each_screen(scan)) {
216 scan->_sig_winch = TRUE;
220 return (sp ? sp->_sig_winch : 0);
226 NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
229 T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
231 if (IsPreScreen(SP_PARM)) {
232 SP_PARM->_use_env = f;
235 _nc_prescreen.use_env = f;
241 NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
244 T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
246 if (IsPreScreen(SP_PARM)) {
247 SP_PARM->use_tioctl = f;
250 _nc_prescreen.use_tioctl = f;
260 T((T_CALLED("use_env(%d)"), (int) f));
261 _nc_prescreen.use_env = f;
269 T((T_CALLED("use_tioctl(%d)"), (int) f));
270 _nc_prescreen.use_tioctl = f;
276 _nc_get_screensize(SCREEN *sp,
277 #ifdef USE_TERM_DRIVER
280 int *linep, int *colp)
281 /* Obtain lines/columns values from the environment and/or terminfo entry */
283 #ifdef USE_TERM_DRIVER
284 TERMINAL_CONTROL_BLOCK *TCB;
287 assert(termp != 0 && linep != 0 && colp != 0);
288 TCB = (TERMINAL_CONTROL_BLOCK *) termp;
290 my_tabsize = TCB->info.tabsize;
291 TCB->drv->td_size(TCB, linep, colp);
295 sp->_TABSIZE = my_tabsize;
299 TABSIZE = my_tabsize;
301 T(("TABSIZE = %d", my_tabsize));
302 #else /* !USE_TERM_DRIVER */
303 TERMINAL *termp = cur_term;
305 bool useEnv = _nc_prescreen.use_env;
306 bool useTioctl = _nc_prescreen.use_tioctl;
308 #ifdef EXP_WIN32_DRIVER
309 /* If we are here, then Windows console is used in terminfo mode.
310 We need to figure out the size using the console API
312 _nc_console_size(linep, colp);
313 T(("screen size: winconsole lines = %d columns = %d", *linep, *colp));
315 /* figure out the size of the screen */
316 T(("screen size: terminfo lines = %d columns = %d", lines, columns));
318 *linep = (int) lines;
319 *colp = (int) columns;
324 useEnv = sp->_use_env;
325 useTioctl = sp->use_tioctl;
329 if (useEnv || useTioctl) {
333 _scrsize(screendata);
334 *colp = screendata[0];
335 *linep = ((sp != 0 && sp->_filtered)
338 T(("EMX screen size: environment LINES = %d COLUMNS = %d",
343 /* try asking the OS */
344 if (NC_ISATTY(cur_term->Filedes)) {
349 if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) >= 0) {
350 *linep = ((sp != 0 && sp->_filtered)
352 : WINSIZE_ROWS(size));
353 *colp = WINSIZE_COLS(size);
354 T(("SYS screen size: environment LINES = %d COLUMNS = %d",
361 #endif /* HAVE_SIZECHANGE */
368 * If environment variables are used, update them.
370 if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
371 _nc_setenv_num("LINES", *linep);
373 if (_nc_getenv_num("COLUMNS") > 0) {
374 _nc_setenv_num("COLUMNS", *colp);
379 * Finally, look for environment variables.
381 * Solaris lets users override either dimension with an environment
384 if ((value = _nc_getenv_num("LINES")) > 0) {
386 T(("screen size: environment LINES = %d", *linep));
388 if ((value = _nc_getenv_num("COLUMNS")) > 0) {
390 T(("screen size: environment COLUMNS = %d", *colp));
394 /* if we can't get dynamic info about the size, use static */
396 *linep = (int) lines;
399 *colp = (int) columns;
402 /* the ultimate fallback, assume fixed 24x80 size */
411 * Put the derived values back in the screen-size caps, so
412 * tigetnum() and tgetnum() will do the right thing.
414 lines = (NCURSES_INT2) (*linep);
415 columns = (NCURSES_INT2) (*colp);
416 #if NCURSES_EXT_NUMBERS
417 #define OldNumber(termp,name) \
418 (termp)->type.Numbers[(&name - (termp)->type2.Numbers)]
419 OldNumber(termp, lines) = (short) (*linep);
420 OldNumber(termp, columns) = (short) (*colp);
424 T(("screen size is %dx%d", *linep, *colp));
426 if (VALID_NUMERIC(init_tabs))
427 my_tabsize = (int) init_tabs;
433 sp->_TABSIZE = my_tabsize;
435 TABSIZE = my_tabsize;
437 T(("TABSIZE = %d", TABSIZE));
438 #endif /* USE_TERM_DRIVER */
443 _nc_update_screensize(SCREEN *sp)
448 #ifdef USE_TERM_DRIVER
454 CallDriver_2(sp, td_getsize, &old_lines, &old_cols);
457 TERMINAL *termp = cur_term;
458 int old_lines = lines;
459 int old_cols = columns;
463 TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
465 * See is_term_resized() and resizeterm().
466 * We're doing it this way because those functions belong to the upper
467 * ncurses library, while this resides in the lower terminfo library.
469 if (sp->_resize != 0) {
470 if ((new_lines != old_lines) || (new_cols != old_cols)) {
471 sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
472 } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
473 sp->_ungetch(SP_PARM, KEY_RESIZE); /* so application can know this */
475 sp->_sig_winch = FALSE;
479 #endif /* USE_SIZECHANGE */
481 /****************************************************************************
485 ****************************************************************************/
487 #if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
489 * Return 1 if entry found, 0 if not found, -1 if database not accessible,
490 * just like tgetent().
493 _nc_setup_tinfo(const char *const tn, TERMTYPE2 *const tp)
495 char filename[PATH_MAX];
496 int status = _nc_read_entry2(tn, filename, tp);
499 * If we have an entry, force all of the cancelled strings to null
500 * pointers so we don't have to test them in the rest of the library.
501 * (The terminfo compiler bypasses this logic, since it must know if
502 * a string is cancelled, for merging entries).
504 if (status == TGETENT_YES) {
506 T(("_nc_setup_tinfo - resetting invalid booleans/strings"));
507 for_each_boolean(n, tp) {
508 if (!VALID_BOOLEAN(tp->Booleans[n]))
509 tp->Booleans[n] = FALSE;
511 for_each_string(n, tp) {
512 if (tp->Strings[n] == CANCELLED_STRING)
513 tp->Strings[n] = ABSENT_STRING;
521 * Take the real command character out of the CC environment variable
522 * and substitute it in for the prototype given in 'command_character'.
525 _nc_tinfo_cmdch(TERMINAL *termp, int proto)
530 * Only use the character if the string is a single character,
531 * since it is fairly common for developers to set the C compiler
532 * name as an environment variable - using the same symbol.
534 if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
538 for_each_string(i, &(termp->type)) {
539 tmp = termp->type.Strings[i];
540 if (VALID_STRING(tmp)) {
541 for (; *tmp; ++tmp) {
542 if (UChar(*tmp) == proto)
551 * Find the locale which is in effect.
553 NCURSES_EXPORT(char *)
559 * This is preferable to using getenv() since it ensures that we are using
560 * the locale which was actually initialized by the application.
562 env = setlocale(LC_CTYPE, 0);
564 if (((env = getenv("LANG")) != 0 && *env != '\0')
565 || ((env = getenv("LC_CTYPE")) != 0 && *env != '\0')
566 || ((env = getenv("LC_ALL")) != 0 && *env != '\0')) {
570 T(("_nc_get_locale %s", _nc_visbuf(env)));
575 * Check if we are running in a UTF-8 locale.
578 _nc_unicode_locale(void)
581 #if defined(_NC_WINDOWS) && USE_WIDEC_SUPPORT
583 #elif HAVE_LANGINFO_CODESET
584 char *env = nl_langinfo(CODESET);
585 result = !strcmp(env, "UTF-8");
586 T(("_nc_unicode_locale(%s) ->%d", env, result));
588 char *env = _nc_get_locale();
590 if (strstr(env, ".UTF-8") != 0) {
592 T(("_nc_unicode_locale(%s) ->%d", env, result));
599 #define CONTROL_N(s) ((s) != 0 && strstr(s, "\016") != 0)
600 #define CONTROL_O(s) ((s) != 0 && strstr(s, "\017") != 0)
603 * Check for known broken cases where a UTF-8 locale breaks the alternate
607 _nc_locale_breaks_acs(TERMINAL *termp)
609 const char *env_name = "NCURSES_NO_UTF8_ACS";
614 T((T_CALLED("_nc_locale_breaks_acs:%d"), result));
615 if (getenv(env_name) != 0) {
616 result = _nc_getenv_num(env_name);
617 } else if ((value = tigetnum("U8")) >= 0) {
618 result = value; /* use extension feature */
619 } else if ((env = getenv("TERM")) != 0) {
620 if (strstr(env, "linux")) {
621 result = 1; /* always broken */
622 } else if (strstr(env, "screen") != 0
623 && ((env = getenv("TERMCAP")) != 0
624 && strstr(env, "screen") != 0)
625 && strstr(env, "hhII00") != 0) {
626 if (CONTROL_N(enter_alt_charset_mode) ||
627 CONTROL_O(enter_alt_charset_mode) ||
628 CONTROL_N(set_attributes) ||
629 CONTROL_O(set_attributes)) {
638 TINFO_SETUP_TERM(TERMINAL **tp,
644 #ifdef USE_TERM_DRIVER
645 TERMINAL_CONTROL_BLOCK *TCB = 0;
654 #ifdef USE_TERM_DRIVER
655 T((T_CALLED("_nc_setupterm_ex(%p,%s,%d,%p)"),
656 (void *) tp, _nc_visbuf(tname), Filedes, (void *) errret));
659 ret_error0(TGETENT_ERR,
660 "Invalid parameter, internal error.\n");
665 T((T_CALLED("setupterm(%s,%d,%p)"), _nc_visbuf(tname), Filedes, (void *) errret));
669 tname = getenv("TERM");
670 #if defined(EXP_WIN32_DRIVER)
671 if (!VALID_TERM_ENV(tname, NO_TERMINAL)) {
672 T(("Failure with TERM=%s", NonNull(tname)));
673 ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
675 #elif defined(USE_TERM_DRIVER)
676 if (!NonEmpty(tname))
679 if (!NonEmpty(tname)) {
680 T(("Failure with TERM=%s", NonNull(tname)));
681 ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
685 myname = strdup(tname);
686 if (myname == NULL || strlen(myname) > MAX_NAME_SIZE) {
687 ret_error(TGETENT_ERR,
688 "TERM environment must be 1..%d characters.\n",
693 T(("your terminal name is %s", myname));
696 * Allow output redirection. This is what SVr3 does. If stdout is
697 * directed to a file, screen updates go to standard error.
699 if (Filedes == STDOUT_FILENO && !NC_ISATTY(Filedes))
700 Filedes = STDERR_FILENO;
701 #if defined(EXP_WIN32_DRIVER)
702 if (Filedes != STDERR_FILENO && NC_ISATTY(Filedes))
703 _setmode(Filedes, _O_BINARY);
707 * Check if we have already initialized to use this terminal. If so, we
708 * do not need to re-read the terminfo entry, or obtain TTY settings.
710 * This is an improvement on SVr4 curses. If an application mixes curses
711 * and termcap calls, it may call both initscr and tgetent. This is not
712 * really a good thing to do, but can happen if someone tries using ncurses
713 * with the readline library. The problem we are fixing is that when
714 * tgetent calls setupterm, the resulting Ottyb struct in cur_term is
715 * zeroed. A subsequent call to endwin uses the zeroed terminal settings
716 * rather than the ones saved in initscr. So we check if cur_term appears
717 * to contain terminal settings for the same output file as our current
718 * call - and copy those terminal settings. (SVr4 curses does not do this,
719 * however applications that are working around the problem will still work
720 * properly with this feature).
724 && termp->Filedes == Filedes
725 && termp->_termname != 0
726 && !strcmp(termp->_termname, myname)
727 && _nc_name_match(TerminalType(termp).term_names, myname, "|")) {
728 T(("reusing existing terminal information and mode-settings"));
730 #ifdef USE_TERM_DRIVER
731 TCB = (TERMINAL_CONTROL_BLOCK *) termp;
734 #ifdef USE_TERM_DRIVER
735 TERMINAL_CONTROL_BLOCK *my_tcb;
737 if ((my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1)) != 0)
738 termp = &(my_tcb->term);
742 termp = typeCalloc(TERMINAL, 1);
745 ret_error1(TGETENT_ERR,
746 "Not enough memory to create terminal structure.\n",
747 myname, free(myname));
749 ++_nc_globals.terminal_count;
756 limit = _nc_globals.getstr_limit;
759 if (limit < sysconf(_SC_LINE_MAX))
760 limit = sysconf(_SC_LINE_MAX);
762 if (_nc_globals.getstr_limit < (int) limit)
763 _nc_globals.getstr_limit = (int) limit;
765 #endif /* HAVE_SYSCONF */
766 T(("using %d for getstr limit", _nc_globals.getstr_limit));
768 #ifdef USE_TERM_DRIVER
771 * _nc_get_driver() will call td_CanHandle() for each driver, and win_driver
772 * needs file descriptor to do the test, so set it before calling.
774 termp->Filedes = (short) Filedes;
775 TCB = (TERMINAL_CONTROL_BLOCK *) termp;
776 code = _nc_globals.term_driver(TCB, myname, errret);
778 termp->_termname = strdup(myname);
780 ret_error1(errret ? *errret : TGETENT_ERR,
781 "Could not find any driver to handle terminal.\n",
782 myname, free(myname));
785 #if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
786 status = _nc_setup_tinfo(myname, &TerminalType(termp));
787 T(("_nc_setup_tinfo returns %d", status));
789 T(("no database available"));
793 /* try fallback list if entry on disk */
794 if (status != TGETENT_YES) {
795 const TERMTYPE2 *fallback = _nc_fallback2(myname);
798 T(("found fallback entry"));
799 _nc_copy_termtype2(&(TerminalType(termp)), fallback);
800 status = TGETENT_YES;
804 if (status != TGETENT_YES) {
806 if (status == TGETENT_ERR) {
808 ret_error0(status, "terminals database is inaccessible\n");
809 } else if (status == TGETENT_NO) {
810 ret_error1(status, "unknown terminal type.\n",
811 myname, free(myname));
814 ret_error0(status, "unexpected return-code\n");
817 #if NCURSES_EXT_NUMBERS
818 _nc_export_termtype2(&termp->type, &TerminalType(termp));
824 termp->Filedes = (short) Filedes;
825 termp->_termname = strdup(myname);
829 if (VALID_STRING(command_character))
830 _nc_tinfo_cmdch(termp, UChar(*command_character));
833 * If an application calls setupterm() rather than initscr() or
834 * newterm(), we will not have the def_prog_mode() call in
835 * _nc_setupscreen(). Do it now anyway, so we can initialize the
836 * baudrate. Also get the shell-mode so that erasechar() works.
838 if (NC_ISATTY(Filedes)) {
839 NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
840 NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
841 NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG);
847 #ifdef USE_TERM_DRIVER
849 NCURSES_SP_NAME(set_curterm) (sp, termp);
850 TCB->drv->td_init(TCB);
856 * We should always check the screensize, just in case.
858 TINFO_GET_SIZE(sp, termp, ptrLines(sp), ptrCols(sp));
861 *errret = TGETENT_YES;
863 #ifndef USE_TERM_DRIVER
866 * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
867 * check before giving up.
869 if ((VALID_STRING(cursor_address)
870 || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
871 && VALID_STRING(clear_screen)) {
872 ret_error1(TGETENT_YES, "terminal is not really generic.\n",
873 myname, free(myname));
876 ret_error1(TGETENT_NO, "I need something more specific.\n",
877 myname, free(myname));
879 } else if (hard_copy) {
880 ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n",
881 myname, free(myname));
890 * Returns a non-null pointer unless a new screen should be allocated because
891 * no match was found in the pre-screen cache.
893 NCURSES_EXPORT(SCREEN *)
894 _nc_find_prescr(void)
898 pthread_t id = GetThreadID();
899 for (p = _nc_prescreen.allocated; p != 0; p = p->next) {
909 * Tells ncurses to forget that this thread was associated with the pre-screen
910 * cache. It does not modify the pre-screen cache itself, since that is used
911 * for creating new screens.
914 _nc_forget_prescr(void)
916 PRESCREEN_LIST *p, *q;
917 pthread_t id = GetThreadID();
918 _nc_lock_global(screen);
919 for (p = _nc_prescreen.allocated, q = 0; p != 0; q = p, p = p->next) {
924 _nc_prescreen.allocated = p->next;
930 _nc_unlock_global(screen);
932 #endif /* USE_PTHREADS */
936 * In case of handling multiple screens, we need to have a screen before
937 * initialization in _nc_setupscreen takes place. This is to extend the
938 * substitute for some of the stuff in _nc_prescreen, especially for slk and
939 * ripoff handling which should be done per screen.
941 NCURSES_EXPORT(SCREEN *)
947 T((T_CALLED("new_prescr()")));
949 _nc_lock_global(screen);
950 if ((sp = _nc_find_prescr()) == 0) {
951 sp = _nc_alloc_screen_sp();
952 T(("_nc_alloc_screen_sp %p", (void *) sp));
955 PRESCREEN_LIST *p = typeCalloc(PRESCREEN_LIST, 1);
957 p->id = GetThreadID();
959 p->next = _nc_prescreen.allocated;
960 _nc_prescreen.allocated = p;
963 _nc_prescreen.allocated = sp;
965 sp->rsp = sp->rippedoff;
966 sp->_filtered = _nc_prescreen.filter_mode;
967 sp->_use_env = _nc_prescreen.use_env;
968 #if NCURSES_NO_PADDING
969 sp->_no_padding = _nc_prescreen._no_padding;
973 sp->_prescreen = TRUE;
976 sp->_TABSIZE = _nc_prescreen._TABSIZE;
977 sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
981 T(("_nc_alloc_screen_sp %p (reuse)", (void *) sp));
983 _nc_unlock_global(screen);
988 #ifdef USE_TERM_DRIVER
990 * This entrypoint is called from tgetent() to allow a special case of reusing
991 * the same TERMINAL data (see comment).
994 _nc_setupterm(const char *tname,
1000 TERMINAL *termp = 0;
1002 _nc_init_pthreads();
1003 _nc_lock_global(prescreen);
1005 if (TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse) == OK) {
1006 _nc_forget_prescr();
1007 if (NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp) != 0) {
1011 _nc_unlock_global(prescreen);
1018 * setupterm(termname, Filedes, errret)
1020 * Find and read the appropriate object file for the terminal
1021 * Make cur_term point to the structure.
1024 setupterm(const char *tname, int Filedes, int *errret)
1027 return _nc_setupterm(tname, Filedes, errret, FALSE);