1 /****************************************************************************
2 * Copyright (c) 1998-2013,2014 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 * and: Juergen Pfeifer *
34 ****************************************************************************/
37 * $Id: curses.priv.h,v 1.537 2014/05/03 21:20:12 tom Exp $
41 * Header file for curses library objects which are private to
47 #define CURSES_PRIV_H 1
50 #include <ncurses_dll.h>
56 #include <ncurses_cfg.h>
59 #define MODULE_ID(id) static const char Ident[] = id;
61 #define MODULE_ID(id) /*nothing*/
64 #include <stddef.h> /* for offsetof */
67 #include <sys/types.h>
74 #if HAVE_SYS_BSDTYPES_H
75 #include <sys/bsdtypes.h> /* needed for ISC */
80 #elif HAVE_SYS_PARAM_H
81 # include <sys/param.h>
96 # if defined(_POSIX_PATH_MAX)
97 # define PATH_MAX _POSIX_PATH_MAX
98 # elif defined(MAXPATHLEN)
99 # define PATH_MAX MAXPATHLEN
101 # define PATH_MAX 255 /* the Posix minimum path-size */
109 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */
110 #if HAVE_WORKING_POLL
111 #define USE_FUNC_POLL 1
115 #include <sys/poll.h>
118 #define USE_FUNC_POLL 0
122 # include <inttypes.h>
129 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
132 /* Alessandro Rubini's GPM (general-purpose mouse) */
133 #if HAVE_LIBGPM && HAVE_GPM_H
134 #define USE_GPM_SUPPORT 1
136 #define USE_GPM_SUPPORT 0
139 /* QNX mouse support */
140 #if defined(__QNX__) && !defined(__QNXNTO__)
141 #define USE_QNX_MOUSE 1
143 #define USE_QNX_MOUSE 0
146 /* EMX mouse support */
148 #define USE_EMX_MOUSE 1
150 #define USE_EMX_MOUSE 0
153 /* kLIBC keyboard/mouse support */
154 #if defined(__OS2__) && defined(__KLIBC__)
155 #define USE_KLIBC_KBD 1
156 #define USE_KLIBC_MOUSE 1
158 #define USE_KLIBC_KBD 0
159 #define USE_KLIBC_MOUSE 0
162 #define DEFAULT_MAXCLICK 166
163 #define EV_MAX 8 /* size of mouse circular event queue */
166 * If we don't have signals to support it, don't add a sigwinch handler.
167 * In any case, resizing is an extended feature. Use it if we've got it.
169 #if !NCURSES_EXT_FUNCS
170 #undef HAVE_SIZECHANGE
171 #define HAVE_SIZECHANGE 0
174 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH)
175 #define USE_SIZECHANGE 1
177 #define USE_SIZECHANGE 0
179 #define USE_SIGWINCH 0
183 * When building in the MSYS2 environment, the automatic discovery of
184 * the path separator in configure doesn't work properly. So, if building
185 * for MinGW, we enforce the correct Windows PATH separator
188 # ifdef NCURSES_PATHSEP
189 # undef NCURSES_PATHSEP
191 # define NCURSES_PATHSEP ';'
195 * If desired, one can configure this, disabling environment variables that
196 * point to custom terminfo/termcap locations.
198 #ifdef USE_ROOT_ENVIRON
199 #define use_terminfo_vars() 1
201 #define use_terminfo_vars() _nc_env_access()
202 extern NCURSES_EXPORT(int) _nc_env_access (void);
206 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
210 #define memmove(d,s,n) bcopy(s,d,n)
212 #define memmove(d,s,n) _nc_memmove(d,s,n)
213 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
217 * If we have va_copy(), use it for assigning va_list's.
219 #if defined(HAVE___VA_COPY)
220 #define begin_va_copy(dst,src) __va_copy(dst, src)
221 #define end_va_copy(dst) va_end(dst)
222 #elif defined(va_copy) || defined(HAVE_VA_COPY)
223 #define begin_va_copy(dst,src) va_copy(dst, src)
224 #define end_va_copy(dst) va_end(dst)
226 #define begin_va_copy(dst,src) (dst) = (src)
227 #define end_va_copy(dst) /* nothing */
231 * Either/both S_ISxxx and/or S_IFxxx are defined in sys/types.h; some systems
232 * lack one or the other.
235 #define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR)
239 #define S_ISREG(mode) ((mode & S_IFMT) == S_IFREG)
243 * Scroll hints are useless when hashmap is used
245 #if !USE_SCROLL_HINTS
247 #define USE_SCROLL_HINTS 1
249 #define USE_SCROLL_HINTS 0
254 #define if_USE_SCROLL_HINTS(stmt) stmt
256 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
259 #include <nc_string.h>
262 * Options for terminal drivers, etc...
264 #ifdef USE_TERM_DRIVER
265 #define USE_SP_RIPOFF 1
266 #define USE_SP_TERMTYPE 1
267 #define USE_SP_WINDOWLIST 1
271 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
272 * when we're throwing control codes at the screen at high volume. To see
273 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems
274 * probably don't want to define this either due to uncertainties about tab
275 * delays and expansion in raw mode.
278 #define TRIES struct tries
280 TRIES *child; /* ptr to child. NULL if none */
281 TRIES *sibling; /* ptr to sibling. NULL if none */
282 unsigned char ch; /* character at this node */
283 unsigned short value; /* code of string so far. 0 if none. */
288 * Common/troublesome character definitions
290 #define StringOf(ch) {ch, 0}
297 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
300 * Structure for palette tables
303 #define MAXCOLUMNS 135
305 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
309 #define WINDOWLIST struct _win_list
311 #if USE_WIDEC_SUPPORT
312 #define _nc_bkgd _bkgrnd
314 #undef _XOPEN_SOURCE_EXTENDED
316 #define _nc_bkgd _bkgd
317 #define wgetbkgrnd(win, wch) *wch = win->_bkgd
318 #define wbkgrnd wbkgd
321 #undef NCURSES_OPAQUE
322 #define NCURSES_INTERNALS 1
323 #define NCURSES_OPAQUE 0
325 #include <curses.h> /* we'll use -Ipath directive to get the right one! */
329 NCURSES_COLOR_T red, green, blue; /* what color_content() returns */
330 NCURSES_COLOR_T r, g, b; /* params to init_color() */
331 int init; /* true if we called init_color() */
336 * If curses.h did not expose the SCREEN-functions, then we do not need the
337 * parameter in the corresponding unextended functions.
340 #define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS
341 #define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS)
344 #define SP_PARM sp /* use parameter */
345 #define NCURSES_SP_ARG SP_PARM
346 #define NCURSES_SP_DCL SCREEN *NCURSES_SP_ARG
347 #define NCURSES_SP_DCL0 NCURSES_SP_DCL
348 #define NCURSES_SP_ARGx NCURSES_SP_ARG,
349 #define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx
351 #define SP_PARM SP /* use global variable */
352 #define NCURSES_SP_ARG
353 #define NCURSES_SP_DCL
354 #define NCURSES_SP_DCL0 void
355 #define NCURSES_SP_ARGx
356 #define NCURSES_SP_DCLx
359 #include <nc_panel.h>
361 #define IsPreScreen(sp) (((sp) != 0) && sp->_prescreen)
362 #define HasTerminal(sp) (((sp) != 0) && (0 != ((sp)->_term)))
363 #define IsValidScreen(sp) (HasTerminal(sp) && !IsPreScreen(sp))
366 #define CurTerm _nc_prescreen._cur_term
368 #define CurTerm cur_term
372 #define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm)
374 #define TerminalOf(sp) CurTerm
378 #include <nc_termios.h>
381 * Reduce dependency on cur_term global by using terminfo data from SCREEN's
382 * pointer to this data.
384 #ifdef USE_SP_TERMTYPE
388 #define SP_TERMTYPE TerminalOf(sp)->type.
390 #include <term_entry.h>
392 #include <nc_tparm.h>
395 * Simplify ifdef's for the "*_ATTR" macros in case italics are not configured.
405 * Use these macros internally, to make tracing less verbose. But leave the
406 * option for compiling the tracing into the library.
409 #define ColorPair(n) NCURSES_BITS(n, 0)
410 #define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT)))
412 #define ColorPair(pair) COLOR_PAIR(pair)
413 #define PairNumber(attr) PAIR_NUMBER(attr)
416 #define unColor(n) unColor2(AttrOf(n))
417 #define unColor2(a) ((a) & ALL_BUT_COLOR)
420 * Extended-colors stores the color pair in a separate struct-member than the
421 * attributes. But for compatibility, we handle most cases where a program
422 * written for non-extended colors stores the color in the attributes by
423 * checking for a color pair in both places.
425 #if NCURSES_EXT_COLORS
426 #define if_EXT_COLORS(stmt) stmt
427 #define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p)
428 #define SetPair2(c,a,p) c = (p), \
429 a = (unColor2(a) | (A_COLOR & (unsigned) ColorPair(oldColor(c))))
430 #define GetPair(value) GetPair2((value).ext_color, AttrOf(value))
431 #define GetPair2(c,a) ((c) ? (c) : PairNumber(a))
432 #define oldColor(p) (((p) > 255) ? 255 : (p))
433 #define GET_WINDOW_PAIR(w) GetPair2((w)->_color, (w)->_attrs)
434 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
435 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
437 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_puts)(NCURSES_SP_ARGx attr, (short) pair, 0, NCURSES_OUTC_FUNC)
439 #else /* !NCURSES_EXT_COLORS */
441 #define if_EXT_COLORS(stmt) /* nothing */
442 #define SetPair(value,p) RemAttr(value, A_COLOR), \
443 SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p)))
444 #define GetPair(value) PairNumber(AttrOf(value))
445 #define GET_WINDOW_PAIR(w) PairNumber(WINDOW_ATTRS(w))
446 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
447 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p))
448 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
450 #define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC)
452 #endif /* NCURSES_EXT_COLORS */
454 #define NCURSES_OUTC_FUNC NCURSES_SP_NAME(_nc_outch)
455 #define NCURSES_PUTP2(name,value) NCURSES_SP_NAME(_nc_putp)(NCURSES_SP_ARGx name, value)
456 #define NCURSES_PUTP2_FLUSH(name,value) NCURSES_SP_NAME(_nc_putp_flush)(NCURSES_SP_ARGx name, value)
458 #if NCURSES_NO_PADDING
459 #define GetNoPadding(sp) ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding)
460 #define SetNoPadding(sp) _nc_set_no_padding(sp)
461 extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *);
463 #define GetNoPadding(sp) FALSE
464 #define SetNoPadding(sp) /*nothing*/
467 #define WINDOW_ATTRS(w) ((w)->_attrs)
469 #define SCREEN_ATTRS(s) (*((s)->_current_attr))
470 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
471 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
473 #if USE_REENTRANT || NCURSES_SP_FUNCS
474 NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *);
475 NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *);
476 NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *);
477 NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *);
482 #define ptrLines(sp) (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES))
483 #define ptrCols(sp) (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS))
484 #define ptrTabsize(sp) (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE))
485 #define ptrEscdelay(sp) (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY))
487 #define SET_LINES(value) *_nc_ptr_Lines(SP_PARM) = value
488 #define SET_COLS(value) *_nc_ptr_Cols(SP_PARM) = value
489 #define SET_TABSIZE(value) *_nc_ptr_Tabsize(SP_PARM) = value
490 #define SET_ESCDELAY(value) *_nc_ptr_Escdelay(SP_PARM) = value
494 #define ptrLines(sp) &LINES
495 #define ptrCols(sp) &COLS
496 #define ptrTabsize(sp) &TABSIZE
497 #define ptrEscdelay(sp) &ESCDELAY
499 #define SET_LINES(value) LINES = value
500 #define SET_COLS(value) COLS = value
501 #define SET_TABSIZE(value) TABSIZE = value
502 #define SET_ESCDELAY(value) ESCDELAY = value
506 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
507 __FILE__, __LINE__, \
508 (unsigned long) (pthread_self()), \
509 data.__data.__lock, \
510 data.__data.__count, \
511 data.__data.__owner, \
512 data.__data.__kind, \
513 (data.__data.__nusers > 5) ? " OOPS " : "", \
514 data.__data.__nusers)
515 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
518 #if defined(__GNUC__)
519 # if defined __USE_ISOC99
520 # define _cat_pragma(exp) _Pragma(#exp)
521 # define _weak_pragma(exp) _cat_pragma(weak name)
523 # define _weak_pragma(exp)
525 # define _declare(name) __extension__ extern __typeof__(name) name
526 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
528 # undef USE_WEAK_SYMBOLS
529 # define USE_WEAK_SYMBOLS 0
537 extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
538 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
539 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
540 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
541 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
542 #define _nc_lock_global(name) _nc_mutex_lock(&_nc_globals.mutex_##name)
543 #define _nc_try_global(name) _nc_mutex_trylock(&_nc_globals.mutex_##name)
544 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name)
547 #error POSIX threads requires --enable-reentrant option
551 # if USE_WEAK_SYMBOLS
552 weak_symbol(pthread_sigmask);
553 weak_symbol(pthread_kill);
554 weak_symbol(pthread_self);
555 weak_symbol(pthread_equal);
556 weak_symbol(pthread_mutex_init);
557 weak_symbol(pthread_mutex_lock);
558 weak_symbol(pthread_mutex_unlock);
559 weak_symbol(pthread_mutex_trylock);
560 weak_symbol(pthread_mutexattr_settype);
561 weak_symbol(pthread_mutexattr_init);
562 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
564 # define sigprocmask _nc_sigprocmask
569 #undef HAVE_NANOSLEEP
570 #define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
573 #else /* !USE_PTHREADS */
575 #if USE_PTHREADS_EINTR
576 # if USE_WEAK_SYMBOLS
578 weak_symbol(pthread_sigmask);
579 weak_symbol(pthread_kill);
580 weak_symbol(pthread_self);
581 weak_symbol(pthread_equal);
582 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
584 # define sigprocmask _nc_sigprocmask
586 #endif /* USE_PTHREADS_EINTR */
588 #define _nc_init_pthreads() /* nothing */
589 #define _nc_mutex_init(obj) /* nothing */
591 #define _nc_lock_global(name) /* nothing */
592 #define _nc_try_global(name) 0
593 #define _nc_unlock_global(name) /* nothing */
595 #endif /* USE_PTHREADS */
598 * When using sp-funcs, locks are targeted to SCREEN-level granularity.
599 * So the locking is done in the non-sp-func (which calls the sp-func) rather
600 * than in the sp-func itself.
602 * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()".
603 * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS".
607 #define _nc_nonsp_lock_global(name) /* nothing */
608 #define _nc_nonsp_try_global(name) 0
609 #define _nc_nonsp_unlock_global(name) /* nothing */
611 #define _nc_sp_lock_global(name) _nc_lock_global(name)
612 #define _nc_sp_try_global(name) _nc_try_global(name)
613 #define _nc_sp_unlock_global(name) _nc_unlock_global(name)
617 #define _nc_nonsp_lock_global(name) _nc_lock_global(name)
618 #define _nc_nonsp_try_global(name) _nc_try_global(name)
619 #define _nc_nonsp_unlock_global(name) _nc_unlock_global(name)
621 #define _nc_sp_lock_global(name) /* nothing */
622 #define _nc_sp_try_global(name) 0
623 #define _nc_sp_unlock_global(name) /* nothing */
627 #if HAVE_GETTIMEOFDAY
628 # define PRECISE_GETTIME 1
629 # define TimeType struct timeval
631 # define PRECISE_GETTIME 0
632 # define TimeType time_t
636 * Definitions for color pairs
638 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
639 #define C_SHIFT 9 /* we need more bits than there are colors */
640 #define C_MASK ((1 << C_SHIFT) - 1)
641 #define PAIR_OF(fg, bg) (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
642 #define FORE_OF(c) (((c) >> C_SHIFT) & C_MASK)
643 #define BACK_OF(c) ((c) & C_MASK)
644 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
646 #define COLOR_DEFAULT C_MASK
648 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T))
650 #undef NCURSES_CH_T /* this is not a termlib feature */
651 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
653 #endif /* USE_TERMLIB */
658 NCURSES_CH_T *text; /* text of the line */
659 NCURSES_SIZE_T firstchar; /* first changed character in the line */
660 NCURSES_SIZE_T lastchar; /* last changed character in the line */
661 NCURSES_SIZE_T oldindex; /* index of the line at last update */
663 #endif /* USE_TERMLIB */
666 M_XTERM = -1 /* use xterm's mouse tracking? */
667 ,M_NONE = 0 /* no mouse device */
672 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
674 #ifdef USE_TERM_DRIVER
675 ,M_TERM_DRIVER /* Win32 console, etc */
680 * Structures for scrolling.
684 unsigned long hashval;
685 int oldcount, newcount;
686 int oldindex, newindex;
690 * Structures for soft labels.
695 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
699 char *ent_text; /* text for the label */
700 char *form_text; /* formatted text (left/center/...) */
701 int ent_x; /* x coordinate of this field */
702 char dirty; /* this label has changed */
703 char visible; /* field is visible */
706 typedef struct _SLK {
707 bool dirty; /* all labels have changed */
708 bool hidden; /* soft labels are hidden */
711 short maxlab; /* number of available labels */
712 short labcnt; /* number of allocated labels */
713 short maxlen; /* length of labels */
714 NCURSES_CH_T attr; /* soft label attribute */
717 #endif /* USE_TERMLIB */
720 WINDOW *win; /* the window used in the hook */
721 int line; /* lines to take, < 0 => from bottom*/
722 int (*hook)(WINDOW *, int); /* callback for user */
726 #undef buttons /* term.h defines this, and gpm uses it! */
729 weak_symbol(Gpm_Wgetch);
733 /* link dynamically to GPM */
734 typedef int *TYPE_gpm_fd;
735 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
736 typedef int (*TYPE_Gpm_Close) (void);
737 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
739 #define my_gpm_fd SP_PARM->_mouse_gpm_fd
740 #define my_Gpm_Open SP_PARM->_mouse_Gpm_Open
741 #define my_Gpm_Close SP_PARM->_mouse_Gpm_Close
742 #define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent
744 /* link statically to GPM */
745 #define my_gpm_fd &gpm_fd
746 #define my_Gpm_Open Gpm_Open
747 #define my_Gpm_Close Gpm_Close
748 #define my_Gpm_GetEvent Gpm_GetEvent
749 #endif /* HAVE_LIBDL */
750 #endif /* USE_GPM_SUPPORT */
755 char *fix_sgr0; /* this holds the filtered sgr0 string */
756 char *last_bufp; /* help with fix_sgr0 leak */
760 #define TGETENT_MAX 4
781 const char *tparam_base;
783 STACK_FRAME stack[STACKSIZE];
793 int dynamic_var[NUM_VARS];
794 int static_vars[NUM_VARS];
803 * The filesystem database normally uses a single-letter for the lower level
804 * of directories. Use a hexadecimal code for filesystems which do not
805 * preserve mixed-case names.
807 #if MIXEDCASE_FILENAMES
808 #define LEAF_FMT "%c"
811 #define LEAF_FMT "%02x"
816 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
817 * could at most have 10 digits, and the mask contains no more than 32 bits
818 * with each bit representing less than 15 characters. Usually the whole
819 * string is less than 80 columns, but this buffer size is an absolute
822 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
823 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
825 #ifdef USE_TERM_DRIVER
826 struct DriverTCB; /* Terminal Control Block forward declaration */
827 #define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver
829 #define INIT_TERM_DRIVER() /* nothing */
838 * Global data which is not specific to a screen.
841 SIG_ATOMIC_T have_sigtstp;
842 SIG_ATOMIC_T have_sigwinch;
843 SIG_ATOMIC_T cleanup_nested;
848 char *comp_sourcename;
851 bool have_tic_directory;
852 bool keep_tic_directory;
853 const char *tic_directory;
859 char **keyname_table;
865 size_t safeprint_used;
867 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
869 long tgetent_sequence;
871 char *dbd_blob; /* string-heap for dbd_list[] */
872 char **dbd_list; /* distinct places to look for data */
873 int dbd_size; /* length of dbd_list[] */
874 time_t dbd_time; /* cache last updated */
875 ITERATOR_VARS dbd_vars[dbdLAST];
877 #ifndef USE_SP_WINDOWLIST
878 WINDOWLIST *_nc_windowlist;
879 #define WindowList(sp) _nc_globals._nc_windowlist
882 #if USE_HOME_TERMINFO
886 #if !USE_SAFE_SPRINTF
891 #ifdef USE_TERM_DRIVER
892 int (*term_driver)(struct DriverTCB*, const char*, int*);
897 char trace_fname[PATH_MAX];
902 size_t tracearg_used;
904 TRACEBUF *tracebuf_ptr;
905 size_t tracebuf_used;
907 char tracechr_buf[40];
910 size_t tracedmp_used;
912 unsigned char *tracetry_buf;
913 size_t tracetry_used;
915 char traceatr_color_buf[2][80];
916 int traceatr_color_sel;
917 int traceatr_color_last;
918 #if !defined(USE_PTHREADS) && USE_REENTRANT
924 pthread_mutex_t mutex_curses;
925 pthread_mutex_t mutex_tst_tracef;
926 pthread_mutex_t mutex_tracef;
929 #define _nc_use_pthreads _nc_globals.use_pthreads
931 #if USE_PTHREADS_EINTR
932 pthread_t read_thread; /* The reading thread */
936 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
941 * Global data which can be swept up into a SCREEN when one is created.
942 * It may be modified before the next SCREEN is created.
947 attr_t previous_attr;
948 #ifndef USE_SP_RIPOFF
949 ripoff_t rippedoff[N_RIPS];
952 TPARM_STATE tparm_state;
953 TTY *saved_tty; /* savetty/resetty information */
954 #if NCURSES_NO_PADDING
955 bool _no_padding; /* flag to set if padding disabled */
957 NCURSES_SP_OUTC _outch; /* output handler if not putc */
958 #if BROKEN_LINKER || USE_REENTRANT
959 chtype *real_acs_map;
967 const char *_tputs_trace;
974 * Use screen-specific ripoff data (for softkeys) rather than global.
977 #define safe_ripoff_sp (sp)->rsp
978 #define safe_ripoff_stack (sp)->rippedoff
980 #define safe_ripoff_sp _nc_prescreen.rsp
981 #define safe_ripoff_stack _nc_prescreen.rippedoff
984 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
987 * The SCREEN structure.
991 int _ifd; /* input file descriptor for screen */
992 int _ofd; /* output file descriptor for screen */
993 FILE *_ofp; /* output file ptr for screen */
994 char *out_buffer; /* output buffer */
995 size_t out_limit; /* output buffer size */
996 size_t out_inuse; /* output buffer current use */
997 bool _filtered; /* filter() was called */
998 bool _prescreen; /* is in prescreen phase */
999 bool _use_env; /* LINES & COLS from environment? */
1000 int _checkfd; /* filedesc for typeahead check */
1001 TERMINAL *_term; /* terminal type information */
1002 TTY _saved_tty; /* savetty/resetty information */
1003 NCURSES_SIZE_T _lines; /* screen lines */
1004 NCURSES_SIZE_T _columns; /* screen columns */
1006 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
1007 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
1009 WINDOW *_curscr; /* current screen */
1010 WINDOW *_newscr; /* virtual screen to be updated to */
1011 WINDOW *_stdscr; /* screen's full-window context */
1013 #define CurScreen(sp) (sp)->_curscr
1014 #define NewScreen(sp) (sp)->_newscr
1015 #define StdScreen(sp) (sp)->_stdscr
1017 TRIES *_keytry; /* "Try" for use with keypad mode */
1018 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
1019 bool _tried; /* keypad mode was initialized */
1020 bool _keypad_on; /* keypad mode is currently on */
1022 bool _called_wgetch; /* check for recursion in wgetch() */
1023 int _fifo[FIFO_SIZE]; /* input push-back buffer */
1024 short _fifohead, /* head of fifo queue */
1025 _fifotail, /* tail of fifo queue */
1026 _fifopeek, /* where to peek for next char */
1027 _fifohold; /* set if breakout marked */
1029 int _endwin; /* are we out of window mode? */
1030 NCURSES_CH_T *_current_attr; /* holds current attributes set */
1031 int _coloron; /* is color enabled? */
1032 int _color_defs; /* are colors modified */
1033 int _cursor; /* visibility of the cursor */
1034 int _cursrow; /* physical cursor row */
1035 int _curscol; /* physical cursor column */
1036 bool _notty; /* true if we cannot switch non-tty */
1037 int _nl; /* True if NL -> CR/NL is on */
1038 int _raw; /* True if in raw mode */
1039 int _cbreak; /* 1 if in cbreak mode */
1040 /* > 1 if in halfdelay mode */
1041 int _echo; /* True if echo on */
1042 int _use_meta; /* use the meta key? */
1043 struct _SLK *_slk; /* ptr to soft key struct / NULL */
1044 int slk_format; /* selected format for this screen */
1045 /* cursor movement costs; units are 10ths of milliseconds */
1046 #if NCURSES_NO_PADDING
1047 bool _no_padding; /* flag to set if padding disabled */
1049 int _char_padding; /* cost of character put */
1050 int _cr_cost; /* cost of (carriage_return) */
1051 int _cup_cost; /* cost of (cursor_address) */
1052 int _home_cost; /* cost of (cursor_home) */
1053 int _ll_cost; /* cost of (cursor_to_ll) */
1055 int _ht_cost; /* cost of (tab) */
1056 int _cbt_cost; /* cost of (backtab) */
1057 #endif /* USE_HARD_TABS */
1058 int _cub1_cost; /* cost of (cursor_left) */
1059 int _cuf1_cost; /* cost of (cursor_right) */
1060 int _cud1_cost; /* cost of (cursor_down) */
1061 int _cuu1_cost; /* cost of (cursor_up) */
1062 int _cub_cost; /* cost of (parm_cursor_left) */
1063 int _cuf_cost; /* cost of (parm_cursor_right) */
1064 int _cud_cost; /* cost of (parm_cursor_down) */
1065 int _cuu_cost; /* cost of (parm_cursor_up) */
1066 int _hpa_cost; /* cost of (column_address) */
1067 int _vpa_cost; /* cost of (row_address) */
1068 /* used in tty_update.c, must be chars */
1069 int _ed_cost; /* cost of (clr_eos) */
1070 int _el_cost; /* cost of (clr_eol) */
1071 int _el1_cost; /* cost of (clr_bol) */
1072 int _dch1_cost; /* cost of (delete_character) */
1073 int _ich1_cost; /* cost of (insert_character) */
1074 int _dch_cost; /* cost of (parm_dch) */
1075 int _ich_cost; /* cost of (parm_ich) */
1076 int _ech_cost; /* cost of (erase_chars) */
1077 int _rep_cost; /* cost of (repeat_char) */
1078 int _hpa_ch_cost; /* cost of (column_address) */
1079 int _cup_ch_cost; /* cost of (cursor_address) */
1080 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
1081 int _inline_cost; /* cost of inline-move */
1082 int _smir_cost; /* cost of (enter_insert_mode) */
1083 int _rmir_cost; /* cost of (exit_insert_mode) */
1084 int _ip_cost; /* cost of (insert_padding) */
1085 /* used in lib_mvcur.c */
1086 char * _address_cursor;
1087 /* used in tty_update.c */
1088 int _scrolling; /* 1 if terminal's smart enough to */
1090 /* used in lib_color.c */
1091 color_t *_color_table; /* screen's color palette */
1092 int _color_count; /* count of colors in palette */
1093 colorpair_t *_color_pairs; /* screen's color pair list */
1094 int _pair_count; /* count of color pairs */
1095 int _pair_limit; /* actual limit of color-pairs */
1096 #if NCURSES_EXT_FUNCS
1097 bool _assumed_color; /* use assumed colors */
1098 bool _default_color; /* use default colors */
1099 bool _has_sgr_39_49; /* has ECMA default color support */
1100 int _default_fg; /* assumed default foreground */
1101 int _default_bg; /* assumed default background */
1102 int _default_pairs; /* count pairs using default color */
1104 chtype _ok_attributes; /* valid attributes for terminal */
1105 chtype _xmc_suppress; /* attributes to suppress if xmc */
1106 chtype _xmc_triggers; /* attributes to process if xmc */
1107 chtype * _acs_map; /* the real alternate-charset map */
1108 bool * _screen_acs_map;
1111 /* used in lib_vidattr.c */
1112 bool _use_rmso; /* true if we may use 'rmso' */
1113 bool _use_rmul; /* true if we may use 'rmul' */
1115 bool _use_ritm; /* true if we may use 'ritm' */
1119 bool _extended_key; /* true if an extended key */
1123 * These data correspond to the state of the idcok() and idlok()
1124 * functions. A caveat is in order here: the XSI and SVr4
1125 * documentation specify that these functions apply to the window which
1126 * is given as an argument. However, ncurses implements this logic
1127 * only for the newscr/curscr update process, _not_ per-window.
1133 * These are the data that support the mouse interface.
1135 bool _mouse_initialized;
1136 MouseType _mouse_type;
1138 bool (*_mouse_event) (SCREEN *);
1139 bool (*_mouse_inline)(SCREEN *);
1140 bool (*_mouse_parse) (SCREEN *, int);
1141 void (*_mouse_resume)(SCREEN *);
1142 void (*_mouse_wrap) (SCREEN *);
1143 int _mouse_fd; /* file-descriptor, if any */
1144 bool _mouse_active; /* true if initialized */
1145 mmask_t _mouse_mask; /* set via mousemask() */
1146 mmask_t _mouse_mask2; /* OR's in press/release bits */
1147 mmask_t _mouse_bstate;
1148 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
1149 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
1150 MEVENT *_mouse_eventp; /* next free slot in event queue */
1153 bool _mouse_gpm_loaded;
1154 bool _mouse_gpm_found;
1157 TYPE_gpm_fd _mouse_gpm_fd;
1158 TYPE_Gpm_Open _mouse_Gpm_Open;
1159 TYPE_Gpm_Close _mouse_Gpm_Close;
1160 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
1162 Gpm_Connect _mouse_gpm_connect;
1163 #endif /* USE_GPM_SUPPORT */
1167 int _emxmouse_thread;
1168 int _emxmouse_activated;
1169 char _emxmouse_buttons[4];
1173 MEVENT _sysmouse_fifo[FIFO_SIZE];
1176 int _sysmouse_char_width; /* character width */
1177 int _sysmouse_char_height; /* character height */
1178 int _sysmouse_old_buttons;
1179 int _sysmouse_new_buttons;
1182 #ifdef USE_TERM_DRIVER
1183 MEVENT _drv_mouse_fifo[FIFO_SIZE];
1184 int _drv_mouse_head;
1185 int _drv_mouse_tail;
1186 int _drv_mouse_old_buttons;
1187 int _drv_mouse_new_buttons;
1190 * This supports automatic resizing
1193 int (*_resize)(NCURSES_SP_DCLx int y, int x);
1194 int (*_ungetch)(SCREEN *, int);
1198 * These are data that support the proper handling of the panel stack on an
1201 struct panelhook _panelHook;
1204 SCREEN *_next_screen;
1206 /* hashes for old and new lines */
1207 unsigned long *oldhash, *newhash;
1213 NCURSES_SP_OUTC _outch; /* output handler if not putc */
1215 int _legacy_coding; /* see use_legacy_coding() */
1218 char _ttytype[NAMESIZE];
1225 const char *_tputs_trace;
1230 char tracechr_buf[40];
1231 char tracemse_buf[TRACEMSE_MAX];
1233 #ifdef USE_SP_WINDOWLIST
1234 WINDOWLIST* _windowlist;
1235 #define WindowList(sp) (sp)->_windowlist
1239 ripoff_t rippedoff[N_RIPS];
1243 * ncurses/ncursesw are the same up to this point.
1245 #if USE_WIDEC_SUPPORT
1246 /* recent versions of 'screen' have partially-working support for
1247 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
1249 bool _screen_acs_fix;
1250 bool _screen_unicode;
1256 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
1257 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
1261 SCREEN *screen; /* screen containing the window */
1262 WINDOW win; /* WINDOW_EXT() needs to account for offset */
1263 #if NCURSES_WIDECHAR
1264 char addch_work[(MB_LEN_MAX * 9) + 1];
1265 unsigned addch_used; /* number of bytes in addch_work[] */
1266 int addch_x; /* x-position for addch_work[] */
1267 int addch_y; /* y-position for addch_work[] */
1271 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
1273 #define SP_PRE_INIT(sp) \
1274 sp->_cursrow = -1; \
1275 sp->_curscol = -1; \
1280 sp->_fifohead = -1; \
1281 sp->_endwin = TRUE; \
1283 WindowList(sp) = 0; \
1284 sp->_outch = NCURSES_OUTC_FUNC; \
1287 /* usually in <limits.h> */
1289 #define UCHAR_MAX 255
1292 /* The terminfo source is assumed to be 7-bit ASCII */
1293 #define is7bits(c) ((unsigned)(c) < 128)
1295 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
1296 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
1299 #define min(a,b) ((a) > (b) ? (b) : (a))
1303 #define max(a,b) ((a) < (b) ? (b) : (a))
1306 /* usually in <unistd.h> */
1307 #ifndef STDIN_FILENO
1308 #define STDIN_FILENO 0
1311 #ifndef STDOUT_FILENO
1312 #define STDOUT_FILENO 1
1315 #ifndef STDERR_FILENO
1316 #define STDERR_FILENO 2
1319 #ifndef EXIT_SUCCESS
1320 #define EXIT_SUCCESS 0
1323 #ifndef EXIT_FAILURE
1324 #define EXIT_FAILURE 1
1328 #define R_OK 4 /* Test for read permission. */
1331 #define W_OK 2 /* Test for write permission. */
1334 #define X_OK 1 /* Test for execute permission. */
1337 #define F_OK 0 /* Test for existence. */
1341 #include <fcntl.h> /* may define O_BINARY */
1350 #define COUNT_OUTCHARS(n) _nc_count_outchars(n);
1352 #define COUNT_OUTCHARS(n) _nc_outchars += (n);
1355 #define COUNT_OUTCHARS(n) /* nothing */
1358 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
1360 #define UChar(c) ((unsigned char)(c))
1361 #define UShort(c) ((unsigned short)(c))
1362 #define ChCharOf(c) ((chtype)(c) & (chtype)A_CHARTEXT)
1363 #define ChAttrOf(c) ((chtype)(c) & (chtype)A_ATTRIBUTES)
1366 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
1369 #if USE_WIDEC_SUPPORT /* { */
1370 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
1372 #define init_mb(state) memset(&state, 0, sizeof(state))
1374 #if NCURSES_EXT_COLORS
1375 #define NulColor , 0
1377 #define NulColor /* nothing */
1380 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
1381 #define CharOf(c) ((c).chars[0])
1382 #define AttrOf(c) ((c).attr)
1384 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
1385 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
1386 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c)
1388 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
1389 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
1392 #define CharEq(a,b) (((a).attr == (b).attr) \
1393 && (a).chars[0] == (b).chars[0] \
1394 && (a).chars[1] == (b).chars[1] \
1395 && (a).chars[2] == (b).chars[2] \
1396 && (a).chars[3] == (b).chars[3] \
1397 && (a).chars[4] == (b).chars[4] \
1398 if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
1400 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
1403 #define SetChar(ch,c,a) do { \
1404 NCURSES_CH_T *_cp = &ch; \
1405 memset(_cp, 0, sizeof(ch)); \
1406 _cp->chars[0] = (wchar_t) (c); \
1408 if_EXT_COLORS(SetPair(ch, PairNumber(a))); \
1410 #define CHREF(wch) (&wch)
1411 #define CHDEREF(wch) (*wch)
1412 #define ARG_CH_T NCURSES_CH_T *
1413 #define CARG_CH_T const NCURSES_CH_T *
1414 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
1415 mbstate_t PUT_st; wchar_t PUTC_ch
1416 #define PUTC_INIT init_mb (PUT_st)
1417 #define PUTC(ch) do { if(!isWidecExt(ch)) { \
1418 if (Charable(ch)) { \
1419 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
1420 COUNT_OUTCHARS(1); \
1423 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
1424 PUTC_ch = (ch).chars[PUTC_i]; \
1425 if (PUTC_ch == L'\0') \
1427 PUTC_n = (int) wcrtomb(PUTC_buf, \
1428 (ch).chars[PUTC_i], &PUT_st); \
1429 if (PUTC_n <= 0) { \
1430 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
1431 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
1435 for (PUTC_j = 0; PUTC_j < PUTC_n; ++PUTC_j) { \
1436 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx PUTC_buf[PUTC_j]); \
1440 COUNT_OUTCHARS(PUTC_i); \
1443 #define BLANK NewChar2(' ', WA_NORMAL)
1444 #define ZEROS NewChar2('\0', WA_NORMAL)
1445 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1448 * Wide characters cannot be represented in the A_CHARTEXT mask of
1449 * attr_t's but an application might have set a narrow character there.
1450 * But even in that case, it would only be a printable character, or
1451 * zero. Otherwise we can use those bits to tell if a cell is the
1452 * first or extension part of a wide character.
1454 #define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT)
1455 #define isWidecBase(ch) (WidecExt(ch) == 1)
1456 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1457 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
1458 AttrOf(dst) |= (attr_t) (ext + 1)
1460 #define if_WIDEC(code) code
1461 #define Charable(ch) ((SP_PARM->_legacy_coding) \
1462 || (AttrOf(ch) & A_ALTCHARSET) \
1463 || (!isWidecExt(ch) && \
1464 (ch).chars[1] == L'\0' && \
1465 _nc_is_charable(CharOf(ch))))
1467 #define L(ch) L ## ch
1469 #define CharOf(c) ChCharOf(c)
1470 #define AttrOf(c) ChAttrOf(c)
1471 #define AddAttr(c,a) c |= (a)
1472 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
1473 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
1474 #define NewChar(ch) (ch)
1475 #define NewChar2(c,a) ((c) | (a))
1476 #define CharEq(a,b) ((a) == (b))
1477 #define SetChar(ch,c,a) ch = (c) | (a)
1478 #define CHREF(wch) wch
1479 #define CHDEREF(wch) wch
1480 #define ARG_CH_T NCURSES_CH_T
1481 #define CARG_CH_T NCURSES_CH_T
1482 #define PUTC_DATA /* nothing */
1483 #define PUTC(ch) NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch)
1485 #define BLANK (' '|A_NORMAL)
1486 #define ZEROS ('\0'|A_NORMAL)
1487 #define ISBLANK(ch) (CharOf(ch) == ' ')
1489 #define isWidecExt(ch) (0)
1490 #define if_WIDEC(code) /* nothing */
1495 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
1496 #define CharOfD(ch) CharOf(CHDEREF(ch))
1497 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1499 #define BLANK_ATTR A_NORMAL
1500 #define BLANK_TEXT L(' ')
1504 #define LEGALYX(w, y, x) \
1506 ((x) >= 0 && (x) <= (w)->_maxx && \
1507 (y) >= 0 && (y) <= (w)->_maxy))
1509 #define CHANGED_CELL(line,col) \
1510 if (line->firstchar == _NOCHANGE) \
1511 line->firstchar = line->lastchar = (NCURSES_SIZE_T) (col); \
1512 else if ((col) < line->firstchar) \
1513 line->firstchar = (NCURSES_SIZE_T) (col); \
1514 else if ((col) > line->lastchar) \
1515 line->lastchar = (NCURSES_SIZE_T) (col)
1517 #define CHANGED_RANGE(line,start,end) \
1518 if (line->firstchar == _NOCHANGE \
1519 || line->firstchar > (start)) \
1520 line->firstchar = (NCURSES_SIZE_T) (start); \
1521 if (line->lastchar == _NOCHANGE \
1522 || line->lastchar < (end)) \
1523 line->lastchar = (NCURSES_SIZE_T) (end)
1525 #define CHANGED_TO_EOL(line,start,end) \
1526 if (line->firstchar == _NOCHANGE \
1527 || line->firstchar > (start)) \
1528 line->firstchar = (NCURSES_SIZE_T) (start); \
1529 line->lastchar = (NCURSES_SIZE_T) (end)
1531 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1533 #define FreeIfNeeded(p) if ((p) != 0) free(p)
1535 /* FreeAndNull() is not a comma-separated expression because some compilers
1536 * do not accept a mixture of void with values.
1538 #define FreeAndNull(p) free(p); p = 0
1540 #include <nc_alloc.h>
1543 * Use these for tic/infocmp malloc failures. Generally the ncurses library
1544 * tries to limp along after a failure.
1546 #define TYPE_MALLOC(type, size, name) \
1547 name = typeMalloc(type, size); \
1549 _nc_err_abort(MSG_NO_MEMORY)
1551 #define TYPE_REALLOC(type, size, name) \
1552 name = typeRealloc(type, size, name); \
1554 _nc_err_abort(MSG_NO_MEMORY)
1557 * TTY bit definition for converting tabs to spaces.
1560 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1563 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1566 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1568 # define OFLAGS_TABS 0
1574 * Standardize/simplify common loops
1576 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
1577 #define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next
1578 #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p
1581 * Prefixes for call/return points of library function traces. We use these to
1582 * instrument the public functions so that the traces can be easily transformed
1583 * into regression scripts.
1585 #define T_CALLED(fmt) "called {" fmt
1586 #define T_CREATE(fmt) "create :" fmt
1587 #define T_RETURN(fmt) "return }" fmt
1592 #define TPUTS_TRACE(s) _nc_set_tputs_trace(s);
1594 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
1597 #define START_TRACE() \
1598 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1599 int t = _nc_getenv_num("NCURSES_TRACE"); \
1601 trace((unsigned) t); \
1605 * Many of the _tracef() calls use static buffers; lock the trace state before
1606 * trying to fill them.
1609 #define USE_TRACEF(mask) _nc_use_tracef(mask)
1610 extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned);
1611 extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1613 #define USE_TRACEF(mask) (_nc_tracing & (mask))
1614 #define _nc_locked_tracef _tracef
1617 #define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a
1618 #define T(a) TR(TRACE_CALLS, a)
1619 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
1620 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value)
1621 #define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value)
1623 #define NonNull(s) ((s) != 0 ? s : "<null>")
1625 #define returnAttr(code) TRACE_RETURN(code,attr_t)
1626 #define returnBits(code) TRACE_RETURN(code,unsigned)
1627 #define returnBool(code) TRACE_RETURN(code,bool)
1628 #define returnCPtr(code) TRACE_RETURN(code,cptr)
1629 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
1630 #define returnChar(code) TRACE_RETURN(code,char)
1631 #define returnChtype(code) TRACE_RETURN(code,chtype)
1632 #define returnCode(code) TRACE_RETURN(code,int)
1633 #define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t)
1634 #define returnMMask(code) TRACE_RETURN_SP(code,mmask_t)
1635 #define returnPtr(code) TRACE_RETURN(code,ptr)
1636 #define returnSP(code) TRACE_RETURN(code,sp)
1637 #define returnVoid T((T_RETURN(""))); return
1638 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
1639 #define returnWin(code) TRACE_RETURN(code,win)
1641 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (int);
1642 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1643 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1644 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1645 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1646 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1647 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1648 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1649 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1650 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1651 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
1652 extern NCURSES_EXPORT(char) _nc_retrace_char (int);
1653 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
1654 extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t);
1655 extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t);
1656 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1657 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1658 extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *);
1661 NCURSES_WRAPPED_VAR(long, _nc_outchars);
1662 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1663 #define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars())
1664 #define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1665 extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *);
1666 extern NCURSES_EXPORT(void) _nc_count_outchars (long);
1668 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1669 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1672 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1674 #if USE_WIDEC_SUPPORT
1675 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1676 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1679 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1680 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1684 #define START_TRACE() /* nothing */
1688 #define TPUTS_TRACE(s)
1690 #define returnAttr(code) return code
1691 #define returnBits(code) return code
1692 #define returnBool(code) return code
1693 #define returnCPtr(code) return code
1694 #define returnCVoidPtr(code) return code
1695 #define returnChar(code) return ((char) code)
1696 #define returnChtype(code) return code
1697 #define returnCode(code) return code
1698 #define returnIntAttr(code) return code
1699 #define returnMMask(code) return code
1700 #define returnPtr(code) return code
1701 #define returnSP(code) return code
1702 #define returnVoid return
1703 #define returnVoidPtr(code) return code
1704 #define returnWin(code) return code
1706 #endif /* TRACE/!TRACE */
1709 * Workaround for defective implementation of gcc attribute warn_unused_result
1711 #if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
1712 #define IGNORE_RC(func) errno = (int) func
1714 #define IGNORE_RC(func) (void) func
1715 #endif /* gcc workarounds */
1718 * Return-codes for tgetent() and friends.
1720 #define TGETENT_YES 1 /* entry is found */
1721 #define TGETENT_NO 0 /* entry is not found */
1722 #define TGETENT_ERR -1 /* an error occurred */
1724 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1725 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1727 #define EMPTY_MODULE(name) \
1728 extern NCURSES_EXPORT(void) name (void); \
1729 NCURSES_EXPORT(void) name (void) { }
1731 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1732 #define NONBLANK_ATTR (A_BOLD | A_DIM | A_BLINK | A_ITALIC)
1733 #define TPARM_ATTR (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_ALTCHARSET | A_INVIS | A_PROTECT)
1734 #define XMC_CONFLICT (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_INVIS | A_PROTECT | A_ITALIC)
1735 #define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress)
1737 #define toggle_attr_on(S,at) {\
1738 if (PairNumber(at) > 0) {\
1739 (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\
1741 (S) |= (attr_t) (at);\
1743 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1746 #define toggle_attr_off(S,at) {\
1747 if (PairNumber(at) > 0) {\
1748 (S) &= ~(at|A_COLOR);\
1752 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1754 #define DelCharCost(sp,count) \
1757 : ((delete_character != 0) \
1758 ? (sp->_dch1_cost * count) \
1761 #define InsCharCost(sp,count) \
1764 : ((enter_insert_mode && exit_insert_mode) \
1765 ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \
1766 : ((insert_character != 0) \
1767 ? ((sp->_ich1_cost + sp->_ip_cost) * count) \
1771 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1772 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \
1773 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1774 if (magic_cookie_glitch > 0 \
1775 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \
1776 T(("%s @%d before glitch %d,%d", \
1777 __FILE__, __LINE__, \
1780 NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \
1784 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1785 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1790 * Macros to make additional parameter to implement wgetch_events()
1792 #ifdef NCURSES_WGETCH_EVENTS
1793 #define EVENTLIST_0th(param) param
1794 #define EVENTLIST_1st(param) param
1795 #define EVENTLIST_2nd(param) , param
1796 #define TWAIT_MASK (TW_ANY | TW_EVENT)
1798 #define EVENTLIST_0th(param) void
1799 #define EVENTLIST_1st(param) /* nothing */
1800 #define EVENTLIST_2nd(param) /* nothing */
1801 #define TWAIT_MASK TW_ANY
1804 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1806 #undef toggle_attr_on
1807 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1808 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1810 #undef toggle_attr_off
1811 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1812 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1815 #define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count)
1818 #define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count)
1820 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c);
1821 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c);
1824 #define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c))
1826 #if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T)
1827 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c);
1829 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c);
1832 #if NCURSES_SP_FUNCS
1833 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1834 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1835 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T);
1836 #endif /* NCURSES_SP_FUNCS */
1840 extern NCURSES_EXPORT(void) _nc_expanded (void);
1844 #if !NCURSES_EXT_FUNCS
1845 #define set_escdelay(value) ESCDELAY = value
1849 #define getcwd(buf,len) getwd(buf)
1853 #if USE_WIDEC_SUPPORT
1854 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1855 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1856 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1861 short nte_name; /* offset of name to hash on */
1862 int nte_type; /* BOOLEAN, NUMBER or STRING */
1863 short nte_index; /* index of associated variable in its array */
1864 short nte_link; /* index in table of next hash, or -1 */
1876 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1880 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1881 extern NCURSES_EXPORT(void) _nc_linedump (void);
1885 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1886 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1889 #if USE_WIDEC_SUPPORT
1890 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1894 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1895 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1899 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1902 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *));
1905 extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype);
1908 #define INFINITY 1000000 /* cost: too high to use */
1910 extern NCURSES_EXPORT(int) _nc_mvcur(int yold, int xold, int ynew, int xnew);
1912 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1913 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1914 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1916 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1918 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1919 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1920 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1923 extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *);
1926 #define INFINITY 1000000 /* cost: too high to use */
1927 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1930 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1931 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1932 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *);
1933 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, int);
1934 extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, int);
1936 /* lib_set_term.c */
1937 extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int));
1940 #define ret_error(code, fmt, arg) if (errret) {\
1944 fprintf(stderr, fmt, arg);\
1945 exit(EXIT_FAILURE);\
1948 #define ret_error1(code, fmt, arg) ret_error(code, "'%s': " fmt, arg)
1950 #define ret_error0(code, msg) if (errret) {\
1954 fprintf(stderr, msg);\
1955 exit(EXIT_FAILURE);\
1960 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
1962 #define _nc_handle_sigwinch(a) /* nothing */
1966 #if USE_WIDEC_SUPPORT
1967 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1971 char *s_head; /* beginning of the string (may be null) */
1972 char *s_tail; /* end of the string (may be null) */
1973 size_t s_size; /* current remaining size available */
1974 size_t s_init; /* total size available */
1978 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1979 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1980 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1981 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1982 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1985 #define strstr _nc_strstr
1986 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1989 /* safe_sprintf.c */
1990 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1993 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1994 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1995 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1996 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1999 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *);
2000 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *);
2001 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void);
2002 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
2003 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
2004 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
2005 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int);
2006 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *);
2007 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
2008 extern NCURSES_EXPORT(int) _nc_baudrate (int);
2009 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
2010 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
2011 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, int);
2012 extern NCURSES_EXPORT(int) _nc_ospeed (int);
2013 extern NCURSES_EXPORT(int) _nc_outch (int);
2014 extern NCURSES_EXPORT(int) _nc_putchar (int);
2015 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *);
2016 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *);
2017 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
2018 extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *);
2019 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, int, int);
2020 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
2021 extern NCURSES_EXPORT(void) _nc_do_color (int, int, int, NCURSES_OUTC);
2022 extern NCURSES_EXPORT(void) _nc_flush (void);
2023 extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN;
2024 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *);
2025 extern NCURSES_EXPORT(void) _nc_freeall (void);
2026 extern NCURSES_EXPORT(void) _nc_hash_map (void);
2027 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
2028 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
2029 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
2030 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
2031 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
2032 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, int);
2033 extern NCURSES_EXPORT(void) _nc_setenv_num (const char *, int);
2034 extern NCURSES_EXPORT(void) _nc_signal_handler (int);
2035 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
2036 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
2039 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
2040 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
2041 extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
2042 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
2043 extern NCURSES_EXPORT(void) _nc_comp_error_leaks(void);
2044 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
2045 extern NCURSES_EXPORT(void) _nc_db_iterator_leaks(void);
2046 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
2047 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
2048 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
2051 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
2052 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
2053 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
2054 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, int const, int const, NCURSES_CH_T);
2057 #if USE_WIDEC_SUPPORT
2058 extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *);
2061 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
2062 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
2066 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
2070 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
2072 #define _nc_resize_margins(wp) /* nothing */
2075 #ifdef NCURSES_WGETCH_EVENTS
2076 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
2078 #define wgetch_events(win, evl) wgetch(win)
2079 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
2083 * Wide-character macros to hide some platform-differences.
2085 #if USE_WIDEC_SUPPORT
2087 #if defined(__MINGW32__)
2089 * MinGW has wide-character functions, but they do not work correctly.
2092 extern int __MINGW_NOTHROW _nc_wctomb(char *, wchar_t);
2093 #define wctomb(s,wc) _nc_wctomb(s,wc)
2094 #define wcrtomb(s,wc,n) _nc_wctomb(s,wc)
2096 extern int __MINGW_NOTHROW _nc_mbtowc(wchar_t *, const char *, size_t);
2097 #define mbtowc(pwc,s,n) _nc_mbtowc(pwc,s,n)
2099 extern int __MINGW_NOTHROW _nc_mblen(const char *, size_t);
2100 #define mblen(s,n) _nc_mblen(s, n)
2102 #endif /* __MINGW32__ */
2104 #if HAVE_MBTOWC && HAVE_MBLEN
2105 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, (size_t) 0)), IGNORE_RC(mbtowc(NULL, NULL, (size_t) 0))
2106 #define count_mbytes(buffer,length,state) mblen(buffer,length)
2107 #define check_mbytes(wch,buffer,length,state) \
2108 (int) mbtowc(&wch, buffer, length)
2109 #define state_unused
2110 #elif HAVE_MBRTOWC && HAVE_MBRLEN
2111 #define reset_mbytes(state) init_mb(state)
2112 #define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state)
2113 #define check_mbytes(wch,buffer,length,state) \
2114 (int) mbrtowc(&wch, buffer, length, &state)
2119 #endif /* USE_WIDEC_SUPPORT */
2122 * Not everyone has vsscanf(), but we'd like to use it for scanw().
2125 extern int vsscanf(const char *str, const char *format, va_list __arg);
2128 /* scroll indices */
2129 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
2131 #define USE_SETBUF_0 0
2133 #define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout)
2136 * On systems with a broken linker, define 'SP' as a function to force the
2137 * linker to pull in the data-only module with 'SP'.
2139 #define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1)
2142 #define SP _nc_screen()
2143 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
2144 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
2145 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
2146 #define CURRENT_SCREEN _nc_screen()
2148 /* current screen is private data; avoid possible linking conflicts too */
2149 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
2150 #define CURRENT_SCREEN SP
2151 #define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0)
2152 #define _nc_set_screen(sp) SP = sp
2155 #if NCURSES_SP_FUNCS
2156 #define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr())
2158 #define CURRENT_SCREEN_PRE CURRENT_SCREEN
2162 * We don't want to use the lines or columns capabilities internally, because
2163 * if the application is running multiple screens under X, it's quite possible
2164 * they could all have type xterm but have different sizes! So...
2166 #define screen_lines(sp) (sp)->_lines
2167 #define screen_columns(sp) (sp)->_columns
2169 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
2170 extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c);
2173 * Some constants related to SLK's
2175 #define MAX_SKEY_OLD 8 /* count of soft keys */
2176 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
2177 #define MAX_SKEY_PC 12 /* This is what most PC's have */
2178 #define MAX_SKEY_LEN_PC 5
2180 /* Macro to check whether or not we use a standard format */
2181 #define SLK_STDFMT(fmt) (fmt < 3)
2182 /* Macro to determine height of label window */
2183 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
2185 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
2186 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
2189 * Common error messages
2191 #define MSG_NO_MEMORY "Out of memory"
2192 #define MSG_NO_INPUTS "Premature EOF"
2194 extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *);
2195 extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *);
2197 /* timed_wait flag definitions */
2201 #define TW_ANY (TW_INPUT | TW_MOUSE)
2204 #define SetSafeOutcWrapper(outc) \
2205 SCREEN* sp = CURRENT_SCREEN; \
2206 struct screen outc_wrapper; \
2208 sp = &outc_wrapper; \
2209 memset(sp,0,sizeof(struct screen)); \
2210 sp->_outch = _nc_outc_wrapper; \
2214 #ifdef USE_TERM_DRIVER
2216 typedef struct _termInfo
2235 const color_t* defaultPalette;
2238 typedef struct term_driver {
2240 const char* (*td_name)(struct DriverTCB*);
2241 bool (*td_CanHandle)(struct DriverTCB*, const char*, int*);
2242 void (*td_init)(struct DriverTCB*);
2243 void (*td_release)(struct DriverTCB*);
2244 int (*td_size)(struct DriverTCB*, int* Line, int *Cols);
2245 int (*td_sgmode)(struct DriverTCB*, int setFlag, TTY*);
2246 chtype (*td_conattr)(struct DriverTCB*);
2247 int (*td_hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
2248 int (*td_mode)(struct DriverTCB*, int progFlag, int defFlag);
2249 bool (*td_rescol)(struct DriverTCB*);
2250 bool (*td_rescolors)(struct DriverTCB*);
2251 void (*td_color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int));
2252 int (*td_doBeepOrFlash)(struct DriverTCB*, int);
2253 void (*td_initpair)(struct DriverTCB*, int, int, int);
2254 void (*td_initcolor)(struct DriverTCB*, int, int, int, int);
2255 void (*td_docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int));
2256 void (*td_initmouse)(struct DriverTCB*);
2257 int (*td_testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*));
2258 void (*td_setfilter)(struct DriverTCB*);
2259 void (*td_hwlabel)(struct DriverTCB*, int, char*);
2260 void (*td_hwlabelOnOff)(struct DriverTCB*, int);
2261 int (*td_update)(struct DriverTCB*);
2262 int (*td_defaultcolors)(struct DriverTCB*, int, int);
2263 int (*td_print)(struct DriverTCB*, char*, int);
2264 int (*td_getsize)(struct DriverTCB*, int*, int*);
2265 int (*td_setsize)(struct DriverTCB*, int, int);
2266 void (*td_initacs)(struct DriverTCB*, chtype*, chtype*);
2267 void (*td_scinit)(SCREEN *);
2268 void (*td_scexit)(SCREEN *);
2269 int (*td_twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*));
2270 int (*td_read)(struct DriverTCB*, int*);
2271 int (*td_nap)(struct DriverTCB*, int);
2272 int (*td_kpad)(struct DriverTCB*, int);
2273 int (*td_kyOk)(struct DriverTCB*, int, int);
2274 bool (*td_kyExist)(struct DriverTCB*, int);
2277 typedef struct DriverTCB
2279 TERMINAL term; /* needs to be the first Element !!! */
2280 TERM_DRIVER* drv; /* The driver for that Terminal */
2281 SCREEN* csp; /* The screen that owns that Terminal */
2282 TerminalInfo info; /* Driver independent core capabilities of the Terminal */
2283 void* prop; /* Driver dependent property storage to be used by the Driver */
2285 } TERMINAL_CONTROL_BLOCK;
2287 #define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff))
2288 #define NCDRV_TINFO 0x01
2289 #define NCDRV_WINCONSOLE 0x02
2291 #define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp)))
2292 #define InfoOf(sp) TCBOf(sp)->info
2293 #define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp))
2294 #define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1)
2295 #define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2)
2296 #define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3)
2297 #define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4)
2299 extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette;
2300 extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette;
2302 extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*);
2303 extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *);
2304 #endif /* USE_TERM_DRIVER */
2307 * Entrypoints which are actually provided in the terminal driver, which would
2308 * be an sp-name otherwise.
2310 #ifdef USE_TERM_DRIVER
2311 #define TINFO_HAS_KEY _nc_tinfo_has_key
2312 #define TINFO_DOUPDATE _nc_tinfo_doupdate
2313 #define TINFO_MVCUR _nc_tinfo_mvcur
2314 extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int);
2315 extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *);
2316 extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int);
2318 #define TINFO_HAS_KEY NCURSES_SP_NAME(has_key)
2319 #define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate)
2320 #define TINFO_MVCUR NCURSES_SP_NAME(_nc_mvcur)
2324 * Entrypoints using an extra parameter with the terminal driver.
2326 #ifdef USE_TERM_DRIVER
2327 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *);
2328 extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, int);
2329 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2330 _nc_get_screensize(sp, tp, lp, cp)
2331 #define TINFO_SET_CURTERM(sp, tp) \
2332 NCURSES_SP_NAME(set_curterm)(sp, tp)
2333 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2334 _nc_setupterm_ex(tpp, name, fd, err, reuse)
2335 #else /* !USE_TERM_DRIVER */
2336 extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *);
2337 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2338 _nc_get_screensize(sp, lp, cp)
2339 #define TINFO_SET_CURTERM(sp, tp) \
2341 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2342 _nc_setupterm(name, fd, err, reuse)
2343 #endif /* !USE_TERM_DRIVER */
2345 #ifdef USE_TERM_DRIVER
2347 #include <nc_mingw.h>
2348 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER;
2349 extern NCURSES_EXPORT(int) _nc_mingw_isatty(int fd);
2350 extern NCURSES_EXPORT(int) _nc_mingw_isconsole(int fd);
2351 extern NCURSES_EXPORT(int) _nc_mingw_console_read(
2355 extern NCURSES_EXPORT(int) _nc_mingw_testmouse(
2361 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER;
2364 #if defined(USE_TERM_DRIVER) && defined(__MINGW32__)
2365 #define NC_ISATTY(fd) _nc_mingw_isatty(fd)
2367 #define NC_ISATTY(fd) isatty(fd)
2370 #ifdef USE_TERM_DRIVER
2371 # define IsTermInfo(sp) ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo)))
2372 # define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
2374 # define IsTermInfoOnConsole(sp) (IsTermInfo(sp)&&_nc_mingw_isconsole(TerminalOf(sp)->Filedes))
2376 # define IsTermInfoOnConsole(sp) FALSE
2379 # define IsTermInfo(sp) TRUE
2380 # define HasTInfoTerminal(sp) (0 != TerminalOf(sp))
2381 # define IsTermInfoOnConsole(sp) FALSE
2384 #define IsValidTIScreen(sp) (HasTInfoTerminal(sp))
2387 * Exported entrypoints beyond the published API
2389 #if NCURSES_SP_FUNCS
2390 extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*);
2391 extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*);
2392 extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*);
2393 extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int);
2396 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*);
2397 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*);
2400 #if NCURSES_EXT_FUNCS
2401 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int);
2405 * We put the safe versions of various calls here as they are not published
2406 * part of the API up to now
2408 extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp);
2409 extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int);
2410 extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*);
2411 extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list);
2412 extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int);
2413 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int);
2414 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*);
2415 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int);
2416 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int);
2417 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mvcur)(SCREEN*, int, int, int, int);
2418 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int);
2419 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putchar)(SCREEN*, int);
2420 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*);
2421 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *);
2422 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*);
2423 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int);
2424 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int));
2425 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*);
2426 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*);
2427 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*);
2428 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int);
2429 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*);
2430 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, int, int);
2431 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *);
2432 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*);
2433 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, NCURSES_COLOR_T, void *);
2434 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int));
2435 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, int, int, int, NCURSES_SP_OUTC);
2436 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t);
2437 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*);
2438 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN;
2439 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*);
2440 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*);
2441 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*);
2442 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i);
2443 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*);
2444 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*);
2445 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*);
2446 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*);
2447 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*);
2448 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*);
2449 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot);
2450 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*);
2451 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, int);
2453 extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp);
2455 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
2456 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*);
2459 #if USE_WIDEC_SUPPORT
2460 extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *);
2463 #endif /* NCURSES_SP_FUNCS */
2465 #if NCURSES_SP_FUNCS
2467 #define safe_keyname NCURSES_SP_NAME(keyname)
2468 #define safe_unctrl NCURSES_SP_NAME(unctrl)
2469 #define safe_ungetch NCURSES_SP_NAME(ungetch)
2473 #define safe_keyname _nc_keyname
2474 #define safe_unctrl _nc_unctrl
2475 #define safe_ungetch _nc_ungetch
2477 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int);
2478 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
2479 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype);
2489 #endif /* CURSES_PRIV_H */