1 /****************************************************************************
2 * Copyright (c) 1998-2006,2007 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 ****************************************************************************/
37 * $Id: curses.priv.h,v 1.331 2007/05/12 18:10:46 tom Exp $
41 * Header file for curses library objects which are private to
47 #define CURSES_PRIV_H 1
49 #include <ncurses_dll.h>
55 #include <ncurses_cfg.h>
58 #define MODULE_ID(id) static const char Ident[] = id;
60 #define MODULE_ID(id) /*nothing*/
65 #include <sys/types.h>
71 #if HAVE_SYS_BSDTYPES_H
72 #include <sys/bsdtypes.h> /* needed for ISC */
77 #elif HAVE_SYS_PARAM_H
78 # include <sys/param.h>
87 # if defined(_POSIX_PATH_MAX)
88 # define PATH_MAX _POSIX_PATH_MAX
89 # elif defined(MAXPATHLEN)
90 # define PATH_MAX MAXPATHLEN
92 # define PATH_MAX 255 /* the Posix minimum path-size */
100 #include <nc_panel.h>
102 /* Some systems have a broken 'select()', but workable 'poll()'. Use that */
103 #if HAVE_WORKING_POLL
104 #define USE_FUNC_POLL 1
108 #include <sys/poll.h>
111 #define USE_FUNC_POLL 0
114 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
117 /* Alessandro Rubini's GPM (general-purpose mouse) */
118 #if HAVE_LIBGPM && HAVE_GPM_H
119 #define USE_GPM_SUPPORT 1
121 #define USE_GPM_SUPPORT 0
124 /* QNX mouse support */
125 #if defined(__QNX__) && !defined(__QNXNTO__)
126 #define USE_QNX_MOUSE 1
128 #define USE_QNX_MOUSE 0
131 /* EMX mouse support */
133 #define USE_EMX_MOUSE 1
135 #define USE_EMX_MOUSE 0
138 #define DEFAULT_MAXCLICK 166
139 #define EV_MAX 8 /* size of mouse circular event queue */
142 * If we don't have signals to support it, don't add a sigwinch handler.
143 * In any case, resizing is an extended feature. Use it if we've got it.
145 #if !NCURSES_EXT_FUNCS
146 #undef HAVE_SIZECHANGE
147 #define HAVE_SIZECHANGE 0
150 #if HAVE_SIZECHANGE && defined(SIGWINCH)
151 #define USE_SIZECHANGE 1
153 #define USE_SIZECHANGE 0
155 #define USE_SIGWINCH 0
159 * If desired, one can configure this, disabling environment variables that
160 * point to custom terminfo/termcap locations.
162 #ifdef USE_ROOT_ENVIRON
163 #define use_terminfo_vars() 1
165 #define use_terminfo_vars() _nc_env_access()
166 extern NCURSES_EXPORT(int) _nc_env_access (void);
170 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
174 #define memmove(d,s,n) bcopy(s,d,n)
176 #define memmove(d,s,n) _nc_memmove(d,s,n)
177 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
181 * Scroll hints are useless when hashmap is used
183 #if !USE_SCROLL_HINTS
185 #define USE_SCROLL_HINTS 1
187 #define USE_SCROLL_HINTS 0
192 #define if_USE_SCROLL_HINTS(stmt) stmt
194 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
198 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
199 * when we're throwing control codes at the screen at high volume. To see
200 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems
201 * probably don't want to define this either due to uncertainties about tab
202 * delays and expansion in raw mode.
205 #define TRIES struct tries
207 TRIES *child; /* ptr to child. NULL if none */
208 TRIES *sibling; /* ptr to sibling. NULL if none */
209 unsigned char ch; /* character at this node */
210 unsigned short value; /* code of string so far. 0 if none. */
215 * Common/troublesome character definitions
222 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
225 * Structure for palette tables
230 short red, green, blue; /* what color_content() returns */
231 short r, g, b; /* params to init_color() */
232 int init; /* true if we called init_color() */
236 #define MAXCOLUMNS 135
238 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
242 #define WINDOWLIST struct _win_list
244 #if USE_WIDEC_SUPPORT
245 #define _nc_bkgd _bkgrnd
247 #undef _XOPEN_SOURCE_EXTENDED
248 #define _nc_bkgd _bkgd
249 #define wgetbkgrnd(win, wch) *wch = win->_bkgd
250 #define wbkgrnd wbkgd
253 #undef NCURSES_OPAQUE
254 #define NCURSES_INTERNALS 1
255 #define NCURSES_OPAQUE 0
257 #include <curses.h> /* we'll use -Ipath directive to get the right one! */
259 #include <term_entry.h>
260 #include <nc_tparm.h>
262 #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT
263 #define if_EXT_COLORS(stmt) stmt
264 #define NetPair(value,p) (value).ext_color = (p), \
265 AttrOf(value) &= ALL_BUT_COLOR, \
266 AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p))
267 #define SetPair(value,p) (value).ext_color = (p)
268 #define GetPair(value) (value).ext_color
269 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
270 #define GET_WINDOW_PAIR(w) (w)->_color
271 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
272 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
273 #define VIDATTR(attr, pair) vid_attr(attr, pair, 0)
275 #define if_EXT_COLORS(stmt) /* nothing */
276 #define SetPair(value,p) RemAttr(value, A_COLOR), \
277 SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p)))
278 #define GetPair(value) PAIR_NUMBER(AttrOf(value))
279 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
280 #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w))
281 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
282 WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p))
283 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
284 #define VIDATTR(attr, pair) vidattr(attr)
287 #define WINDOW_ATTRS(w) ((w)->_attrs)
289 #define SCREEN_ATTRS(s) (*((s)->_current_attr))
290 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
291 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
294 #define SET_LINES(value) SP->_LINES = value
295 #define SET_COLS(value) SP->_COLS = value
297 #define SET_LINES(value) LINES = value
298 #define SET_COLS(value) COLS = value
302 * Definitions for color pairs
304 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
305 #define C_SHIFT 9 /* we need more bits than there are colors */
306 #define C_MASK ((1 << C_SHIFT) - 1)
307 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
308 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
310 #define COLOR_DEFAULT C_MASK
312 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)
314 #undef NCURSES_CH_T /* this is not a termlib feature */
315 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
317 #endif /* USE_TERMLIB */
322 NCURSES_CH_T *text; /* text of the line */
323 NCURSES_SIZE_T firstchar; /* first changed character in the line */
324 NCURSES_SIZE_T lastchar; /* last changed character in the line */
325 NCURSES_SIZE_T oldindex; /* index of the line at last update */
327 #endif /* USE_TERMLIB */
330 M_XTERM = -1 /* use xterm's mouse tracking? */
331 ,M_NONE = 0 /* no mouse device */
336 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
341 * Structures for scrolling.
345 unsigned long hashval;
346 int oldcount, newcount;
347 int oldindex, newindex;
351 * Structures for soft labels.
360 char *ent_text; /* text for the label */
361 char *form_text; /* formatted text (left/center/...) */
362 int ent_x; /* x coordinate of this field */
363 char dirty; /* this label has changed */
364 char visible; /* field is visible */
367 typedef struct _SLK {
368 char dirty; /* all labels have changed */
369 char hidden; /* soft labels are hidden */
372 short maxlab; /* number of available labels */
373 short labcnt; /* number of allocated labels */
374 short maxlen; /* length of labels */
375 NCURSES_CH_T attr; /* soft label attribute */
378 #endif /* USE_TERMLIB */
381 int line; /* lines to take, < 0 => from bottom*/
382 int (*hook)(WINDOW *, int); /* callback for user */
386 #undef buttons /* term.h defines this, and gpm uses it! */
390 /* link dynamically to GPM */
391 typedef int *TYPE_gpm_fd;
392 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
393 typedef int (*TYPE_Gpm_Close) (void);
394 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
396 #define my_gpm_fd SP->_mouse_gpm_fd
397 #define my_Gpm_Open SP->_mouse_Gpm_Open
398 #define my_Gpm_Close SP->_mouse_Gpm_Close
399 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent
401 /* link statically to GPM */
402 #define my_gpm_fd &gpm_fd
403 #define my_Gpm_Open Gpm_Open
404 #define my_Gpm_Close Gpm_Close
405 #define my_Gpm_GetEvent Gpm_GetEvent
406 #endif /* HAVE_LIBDL */
407 #endif /* USE_GPM_SUPPORT */
412 char *fix_sgr0; /* this holds the filtered sgr0 string */
413 char *last_bufp; /* help with fix_sgr0 leak */
417 #define TGETENT_MAX 4
438 const char *tparam_base;
440 STACK_FRAME stack[STACKSIZE];
450 int dynamic_var[NUM_VARS];
451 int static_vars[NUM_VARS];
460 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
461 * could at most have 10 digits, and the mask contains no more than 32 bits
462 * with each bit representing less than 15 characters. Usually the whole
463 * string is less than 80 columns, but this buffer size is an absolute
466 #define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
467 #define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
470 * Global data which is not specific to a screen.
473 SIG_ATOMIC_T have_sigwinch;
474 SIG_ATOMIC_T cleanup_nested;
479 const char *comp_sourcename;
482 bool have_tic_directory;
483 bool keep_tic_directory;
484 const char *tic_directory;
490 char **keyname_table;
493 size_t safeprint_used;
495 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
497 long tgetent_sequence;
499 #if USE_HOME_TERMINFO
503 #if !USE_SAFE_SPRINTF
510 char trace_fname[PATH_MAX];
515 size_t tracearg_used;
517 TRACEBUF *tracebuf_ptr;
518 size_t tracebuf_used;
520 char tracechr_buf[40];
523 size_t tracedmp_used;
525 char tracemse_buf[TRACEMSE_MAX];
527 unsigned char *tracetry_buf;
528 size_t tracetry_used;
531 char traceatr_color_buf[2][80];
532 int traceatr_color_sel;
533 int traceatr_color_last;
534 #endif /* USE_TERMLIB */
539 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
544 * Global data which is swept up into a SCREEN when one is created.
545 * It may be modified before the next SCREEN is created.
550 attr_t previous_attr;
551 ripoff_t rippedoff[N_RIPS];
553 TPARM_STATE tparm_state;
554 #if BROKEN_LINKER || USE_REENTRANT
555 chtype *real_acs_map;
559 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
562 * The SCREEN structure.
566 int _ifd; /* input file ptr for screen */
567 FILE *_ofp; /* output file ptr for screen */
568 char *_setbuf; /* buffered I/O for output */
569 bool _filtered; /* filter() was called */
570 bool _buffered; /* setvbuf uses _setbuf data */
571 int _checkfd; /* filedesc for typeahead check */
572 TERMINAL *_term; /* terminal type information */
573 TTY _saved_tty; /* savetty/resetty information */
574 NCURSES_SIZE_T _lines; /* screen lines */
575 NCURSES_SIZE_T _columns; /* screen columns */
577 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
578 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
580 WINDOW *_curscr; /* current screen */
581 WINDOW *_newscr; /* virtual screen to be updated to */
582 WINDOW *_stdscr; /* screen's full-window context */
584 TRIES *_keytry; /* "Try" for use with keypad mode */
585 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
586 bool _tried; /* keypad mode was initialized */
587 bool _keypad_on; /* keypad mode is currently on */
589 bool _called_wgetch; /* check for recursion in wgetch() */
590 int _fifo[FIFO_SIZE]; /* input push-back buffer */
591 short _fifohead, /* head of fifo queue */
592 _fifotail, /* tail of fifo queue */
593 _fifopeek, /* where to peek for next char */
594 _fifohold; /* set if breakout marked */
596 int _endwin; /* are we out of window mode? */
597 NCURSES_CH_T *_current_attr; /* holds current attributes set */
598 int _coloron; /* is color enabled? */
599 int _color_defs; /* are colors modified */
600 int _cursor; /* visibility of the cursor */
601 int _cursrow; /* physical cursor row */
602 int _curscol; /* physical cursor column */
603 bool _notty; /* true if we cannot switch non-tty */
604 int _nl; /* True if NL -> CR/NL is on */
605 int _raw; /* True if in raw mode */
606 int _cbreak; /* 1 if in cbreak mode */
607 /* > 1 if in halfdelay mode */
608 int _echo; /* True if echo on */
609 int _use_meta; /* use the meta key? */
610 struct _SLK *_slk; /* ptr to soft key struct / NULL */
611 int slk_format; /* selected format for this screen */
612 /* cursor movement costs; units are 10ths of milliseconds */
613 #if NCURSES_NO_PADDING
614 int _no_padding; /* flag to set if padding disabled */
616 int _char_padding; /* cost of character put */
617 int _cr_cost; /* cost of (carriage_return) */
618 int _cup_cost; /* cost of (cursor_address) */
619 int _home_cost; /* cost of (cursor_home) */
620 int _ll_cost; /* cost of (cursor_to_ll) */
622 int _ht_cost; /* cost of (tab) */
623 int _cbt_cost; /* cost of (backtab) */
624 #endif /* USE_HARD_TABS */
625 int _cub1_cost; /* cost of (cursor_left) */
626 int _cuf1_cost; /* cost of (cursor_right) */
627 int _cud1_cost; /* cost of (cursor_down) */
628 int _cuu1_cost; /* cost of (cursor_up) */
629 int _cub_cost; /* cost of (parm_cursor_left) */
630 int _cuf_cost; /* cost of (parm_cursor_right) */
631 int _cud_cost; /* cost of (parm_cursor_down) */
632 int _cuu_cost; /* cost of (parm_cursor_up) */
633 int _hpa_cost; /* cost of (column_address) */
634 int _vpa_cost; /* cost of (row_address) */
635 /* used in tty_update.c, must be chars */
636 int _ed_cost; /* cost of (clr_eos) */
637 int _el_cost; /* cost of (clr_eol) */
638 int _el1_cost; /* cost of (clr_bol) */
639 int _dch1_cost; /* cost of (delete_character) */
640 int _ich1_cost; /* cost of (insert_character) */
641 int _dch_cost; /* cost of (parm_dch) */
642 int _ich_cost; /* cost of (parm_ich) */
643 int _ech_cost; /* cost of (erase_chars) */
644 int _rep_cost; /* cost of (repeat_char) */
645 int _hpa_ch_cost; /* cost of (column_address) */
646 int _cup_ch_cost; /* cost of (cursor_address) */
647 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
648 int _inline_cost; /* cost of inline-move */
649 int _smir_cost; /* cost of (enter_insert_mode) */
650 int _rmir_cost; /* cost of (exit_insert_mode) */
651 int _ip_cost; /* cost of (insert_padding) */
652 /* used in lib_mvcur.c */
653 char * _address_cursor;
654 /* used in tty_update.c */
655 int _scrolling; /* 1 if terminal's smart enough to */
657 /* used in lib_color.c */
658 color_t *_color_table; /* screen's color palette */
659 int _color_count; /* count of colors in palette */
660 colorpair_t *_color_pairs; /* screen's color pair list */
661 int _pair_count; /* count of color pairs */
662 #if NCURSES_EXT_FUNCS
663 bool _default_color; /* use default colors */
664 bool _has_sgr_39_49; /* has ECMA default color support */
665 int _default_fg; /* assumed default foreground */
666 int _default_bg; /* assumed default background */
668 chtype _ok_attributes; /* valid attributes for terminal */
669 chtype _xmc_suppress; /* attributes to suppress if xmc */
670 chtype _xmc_triggers; /* attributes to process if xmc */
671 chtype * _acs_map; /* the real alternate-charset map */
672 bool * _screen_acs_map;
675 /* used in lib_vidattr.c */
676 bool _use_rmso; /* true if we may use 'rmso' */
677 bool _use_rmul; /* true if we may use 'rmul' */
680 * These data correspond to the state of the idcok() and idlok()
681 * functions. A caveat is in order here: the XSI and SVr4
682 * documentation specify that these functions apply to the window which
683 * is given as an argument. However, ncurses implements this logic
684 * only for the newscr/curscr update process, _not_ per-window.
688 #define _nc_idlok SP->_nc_sp_idlok
689 #define _nc_idcok SP->_nc_sp_idcok
692 * These are the data that support the mouse interface.
694 bool _mouse_initialized;
695 MouseType _mouse_type;
697 bool (*_mouse_event) (SCREEN *);
698 bool (*_mouse_inline)(SCREEN *);
699 bool (*_mouse_parse) (int);
700 void (*_mouse_resume)(SCREEN *);
701 void (*_mouse_wrap) (SCREEN *);
702 int _mouse_fd; /* file-descriptor, if any */
703 bool _mouse_active; /* true if initialized */
705 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
706 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
707 MEVENT *_mouse_eventp; /* next free slot in event queue */
710 bool _mouse_gpm_loaded;
711 bool _mouse_gpm_found;
713 TYPE_gpm_fd _mouse_gpm_fd;
714 TYPE_Gpm_Open _mouse_Gpm_Open;
715 TYPE_Gpm_Close _mouse_Gpm_Close;
716 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
718 Gpm_Connect _mouse_gpm_connect;
719 #endif /* USE_GPM_SUPPORT */
723 int _emxmouse_thread;
724 int _emxmouse_activated;
725 char _emxmouse_buttons[4];
729 MEVENT _sysmouse_fifo[FIFO_SIZE];
732 int _sysmouse_char_width; /* character width */
733 int _sysmouse_char_height; /* character height */
734 int _sysmouse_old_buttons;
735 int _sysmouse_new_buttons;
739 * This supports automatic resizing
742 int (*_resize)(int,int);
746 * These are data that support the proper handling of the panel stack on an
749 struct panelhook _panelHook;
751 * Linked-list of all windows, to support '_nc_resizeall()' and
754 WINDOWLIST *_nc_sp_windows;
755 #define _nc_windows SP->_nc_sp_windows
758 SCREEN *_next_screen;
760 /* hashes for old and new lines */
761 unsigned long *oldhash, *newhash;
767 bool _cleanup; /* cleanup after int/quit signal */
768 int (*_outch)(int); /* output handler if not putc */
770 int _legacy_coding; /* see use_legacy_coding() */
773 char _ttytype[NAMESIZE];
780 * ncurses/ncursesw are the same up to this point.
782 #if USE_WIDEC_SUPPORT
783 /* recent versions of 'screen' have partially-working support for
784 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
786 bool _screen_acs_fix;
790 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
791 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
794 WINDOW win; /* first, so WINDOW_EXT() works */
796 #ifdef _XOPEN_SOURCE_EXTENDED
797 char addch_work[(MB_LEN_MAX * 9) + 1];
798 unsigned addch_used; /* number of bytes in addch_work[] */
799 int addch_x; /* x-position for addch_work[] */
800 int addch_y; /* y-position for addch_work[] */
804 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field)
806 /* usually in <limits.h> */
808 #define UCHAR_MAX 255
811 /* The terminfo source is assumed to be 7-bit ASCII */
812 #define is7bits(c) ((unsigned)(c) < 128)
814 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
815 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
818 #define min(a,b) ((a) > (b) ? (b) : (a))
822 #define max(a,b) ((a) < (b) ? (b) : (a))
825 /* usually in <unistd.h> */
827 #define STDIN_FILENO 0
830 #ifndef STDOUT_FILENO
831 #define STDOUT_FILENO 1
834 #ifndef STDERR_FILENO
835 #define STDERR_FILENO 2
839 #define EXIT_SUCCESS 0
843 #define EXIT_FAILURE 1
847 #define R_OK 4 /* Test for read permission. */
850 #define W_OK 2 /* Test for write permission. */
853 #define X_OK 1 /* Test for execute permission. */
856 #define F_OK 0 /* Test for existence. */
860 #include <fcntl.h> /* may define O_BINARY */
868 #define TRACE_OUTCHARS(n) _nc_outchars += (n);
870 #define TRACE_OUTCHARS(n) /* nothing */
873 #define UChar(c) ((unsigned char)(c))
874 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
875 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
878 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
881 #if USE_WIDEC_SUPPORT /* { */
882 #define isEILSEQ(status) ((status == (size_t)-1) && (errno == EILSEQ))
884 #define init_mb(state) memset(&state, 0, sizeof(state))
886 #if NCURSES_EXT_COLORS
889 #define NulColor /* nothing */
892 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
893 #define CharOf(c) ((c).chars[0])
894 #define AttrOf(c) ((c).attr)
895 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
896 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
897 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES)
898 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
899 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
900 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
901 #define SetChar(ch,c,a) do { \
902 NCURSES_CH_T *_cp = &ch; \
903 memset(_cp, 0, sizeof(ch)); \
904 _cp->chars[0] = (c); \
906 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \
908 #define CHREF(wch) (&wch)
909 #define CHDEREF(wch) (*wch)
910 #define ARG_CH_T NCURSES_CH_T *
911 #define CARG_CH_T const NCURSES_CH_T *
912 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
913 mbstate_t PUT_st; wchar_t PUTC_ch
914 #define PUTC_INIT init_mb (PUT_st)
915 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \
916 if (Charable(ch)) { \
917 fputc(CharOf(ch), b); \
921 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
922 PUTC_ch = (ch).chars[PUTC_i]; \
923 if (PUTC_ch == L'\0') \
925 PUTC_n = wcrtomb(PUTC_buf, \
926 (ch).chars[PUTC_i], &PUT_st); \
928 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
932 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \
934 TRACE_OUTCHARS(PUTC_i); \
937 #define BLANK { WA_NORMAL, {' '} NulColor }
938 #define ZEROS { WA_NORMAL, {'\0'} NulColor }
939 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
942 * Wide characters cannot be represented in the A_CHARTEXT mask of
943 * attr_t's but an application might have set a narrow character there.
944 * But even in that case, it would only be a printable character, or
945 * zero. Otherwise we can use those bits to tell if a cell is the
946 * first or extension part of a wide character.
948 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT)
949 #define isWidecBase(ch) (WidecExt(ch) == 1)
950 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
951 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
952 AttrOf(dst) |= (ext + 1)
954 #define if_WIDEC(code) code
955 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \
956 || (AttrOf(ch) & A_ALTCHARSET) \
957 || (!isWidecExt(ch) && \
958 (ch).chars[1] == L'\0' && \
959 _nc_is_charable(CharOf(ch))))
961 #define L(ch) L ## ch
963 #define CharOf(c) ChCharOf(c)
964 #define AttrOf(c) ChAttrOf(c)
965 #define AddAttr(c,a) c |= (a)
966 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
967 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
968 #define NewChar(ch) (ch)
969 #define NewChar2(c,a) ((c) | (a))
970 #define CharEq(a,b) ((a) == (b))
971 #define SetChar(ch,c,a) ch = (c) | (a)
972 #define CHREF(wch) wch
973 #define CHDEREF(wch) wch
974 #define ARG_CH_T NCURSES_CH_T
975 #define CARG_CH_T NCURSES_CH_T
976 #define PUTC_DATA int data = 0
977 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0)
979 #define BLANK (' '|A_NORMAL)
980 #define ZEROS ('\0'|A_NORMAL)
981 #define ISBLANK(ch) (CharOf(ch) == ' ')
983 #define isWidecExt(ch) (0)
984 #define if_WIDEC(code) /* nothing */
989 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
990 #define CharOfD(ch) CharOf(CHDEREF(ch))
991 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
993 #define BLANK_ATTR A_NORMAL
994 #define BLANK_TEXT L(' ')
998 #define LEGALYX(w, y, x) \
1000 ((x) >= 0 && (x) <= (w)->_maxx && \
1001 (y) >= 0 && (y) <= (w)->_maxy))
1003 #define CHANGED_CELL(line,col) \
1004 if (line->firstchar == _NOCHANGE) \
1005 line->firstchar = line->lastchar = col; \
1006 else if ((col) < line->firstchar) \
1007 line->firstchar = col; \
1008 else if ((col) > line->lastchar) \
1009 line->lastchar = col
1011 #define CHANGED_RANGE(line,start,end) \
1012 if (line->firstchar == _NOCHANGE \
1013 || line->firstchar > (start)) \
1014 line->firstchar = start; \
1015 if (line->lastchar == _NOCHANGE \
1016 || line->lastchar < (end)) \
1017 line->lastchar = end
1019 #define CHANGED_TO_EOL(line,start,end) \
1020 if (line->firstchar == _NOCHANGE \
1021 || line->firstchar > (start)) \
1022 line->firstchar = start; \
1023 line->lastchar = end
1025 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1027 #define FreeIfNeeded(p) if ((p) != 0) free(p)
1029 /* FreeAndNull() is not a comma-separated expression because some compilers
1030 * do not accept a mixture of void with values.
1032 #define FreeAndNull(p) free(p); p = 0
1034 #include <nc_alloc.h>
1037 * TTY bit definition for converting tabs to spaces.
1040 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1043 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1046 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1048 # define OFLAGS_TABS 0
1054 * Prefixes for call/return points of library function traces. We use these to
1055 * instrument the public functions so that the traces can be easily transformed
1056 * into regression scripts.
1058 #define T_CALLED(fmt) "called {" fmt
1059 #define T_CREATE(fmt) "create :" fmt
1060 #define T_RETURN(fmt) "return }" fmt
1064 #define START_TRACE() \
1065 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1066 int t = _nc_getenv_num("NCURSES_TRACE"); \
1068 trace((unsigned) t); \
1071 #define TR(n, a) if (_nc_tracing & (n)) _tracef a
1072 #define T(a) TR(TRACE_CALLS, a)
1073 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
1074 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
1076 #define returnAttr(code) TRACE_RETURN(code,attr_t)
1077 #define returnBits(code) TRACE_RETURN(code,unsigned)
1078 #define returnBool(code) TRACE_RETURN(code,bool)
1079 #define returnCPtr(code) TRACE_RETURN(code,cptr)
1080 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
1081 #define returnChar(code) TRACE_RETURN(code,chtype)
1082 #define returnCode(code) TRACE_RETURN(code,int)
1083 #define returnPtr(code) TRACE_RETURN(code,ptr)
1084 #define returnSP(code) TRACE_RETURN(code,sp)
1085 #define returnVoid T((T_RETURN(""))); return
1086 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
1087 #define returnWin(code) TRACE_RETURN(code,win)
1089 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL);
1090 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1091 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1092 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1093 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1094 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1095 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1096 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1097 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1098 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1099 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
1100 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
1101 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1102 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1103 extern NCURSES_EXPORT(void) _nc_fifo_dump (void);
1104 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1105 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1106 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1108 #if USE_WIDEC_SUPPORT
1109 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1110 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1113 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1114 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1118 #define START_TRACE() /* nothing */
1122 #define TPUTS_TRACE(s)
1124 #define returnAttr(code) return code
1125 #define returnBits(code) return code
1126 #define returnBool(code) return code
1127 #define returnCPtr(code) return code
1128 #define returnCVoidPtr(code) return code
1129 #define returnChar(code) return code
1130 #define returnCode(code) return code
1131 #define returnPtr(code) return code
1132 #define returnSP(code) return code
1133 #define returnVoid return
1134 #define returnVoidPtr(code) return code
1135 #define returnWin(code) return code
1137 #endif /* TRACE/!TRACE */
1140 * Return-codes for tgetent() and friends.
1142 #define TGETENT_YES 1 /* entry is found */
1143 #define TGETENT_NO 0 /* entry is not found */
1144 #define TGETENT_ERR -1 /* an error occurred */
1146 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1147 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1149 #define empty_module(name) \
1150 extern NCURSES_EXPORT(void) name (void); \
1151 NCURSES_EXPORT(void) name (void) { }
1153 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1154 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
1155 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
1157 #define toggle_attr_on(S,at) {\
1158 if (PAIR_NUMBER(at) > 0) {\
1159 (S) = ((S) & ALL_BUT_COLOR) | (at);\
1163 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1166 #define toggle_attr_off(S,at) {\
1167 if (PAIR_NUMBER(at) > 0) {\
1168 (S) &= ~(at|A_COLOR);\
1172 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1174 #define DelCharCost(count) \
1177 : ((delete_character != 0) \
1178 ? (SP->_dch1_cost * count) \
1181 #define InsCharCost(count) \
1184 : ((enter_insert_mode && exit_insert_mode) \
1185 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \
1186 : ((insert_character != 0) \
1187 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \
1191 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \
1192 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \
1193 VIDATTR(AttrOf(c), GetPair(c)); \
1194 if (magic_cookie_glitch > 0 \
1195 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \
1196 T(("%s @%d before glitch %d,%d", \
1197 __FILE__, __LINE__, \
1200 _nc_do_xmc_glitch(chg); \
1204 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \
1205 VIDATTR(AttrOf(c), GetPair(c));
1209 * Macros to make additional parameter to implement wgetch_events()
1211 #ifdef NCURSES_WGETCH_EVENTS
1212 #define EVENTLIST_0th(param) param
1213 #define EVENTLIST_1st(param) param
1214 #define EVENTLIST_2nd(param) , param
1216 #define EVENTLIST_0th(param) void
1217 #define EVENTLIST_1st(param) /* nothing */
1218 #define EVENTLIST_2nd(param) /* nothing */
1221 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1223 #undef toggle_attr_on
1224 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1225 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1227 #undef toggle_attr_off
1228 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1229 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1232 #define DelCharCost(count) _nc_DelCharCost(count)
1233 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1236 #define InsCharCost(count) _nc_InsCharCost(count)
1237 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1240 #define UpdateAttrs(c) _nc_UpdateAttrs(c)
1241 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T);
1245 extern NCURSES_EXPORT(void) _nc_expanded (void);
1250 #define getcwd(buf,len) getwd(buf)
1254 #if USE_WIDEC_SUPPORT
1255 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1256 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1257 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1262 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1266 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1267 extern NCURSES_EXPORT(void) _nc_linedump (void);
1271 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1272 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1275 #if USE_WIDEC_SUPPORT
1276 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1280 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1281 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1285 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1288 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *));
1291 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype);
1294 #define INFINITY 1000000 /* cost: too high to use */
1296 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1297 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1298 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1300 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1302 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1303 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1304 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1307 extern NCURSES_EXPORT(int) _nc_has_mouse (void);
1310 #define INFINITY 1000000 /* cost: too high to use */
1311 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1314 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1315 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1316 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void);
1317 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1318 extern NCURSES_EXPORT(void) _nc_get_screensize(int *, int *);
1322 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(int);
1324 #define _nc_handle_sigwinch(a) /* nothing */
1328 #if USE_WIDEC_SUPPORT
1329 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1333 char *s_head; /* beginning of the string (may be null) */
1334 char *s_tail; /* end of the string (may be null) */
1335 size_t s_size; /* current remaining size available */
1336 size_t s_init; /* total size available */
1340 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1341 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1342 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1343 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1344 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1347 #define strstr _nc_strstr
1348 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1351 /* safe_sprintf.c */
1352 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1355 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1356 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1357 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1358 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1361 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry(ENTRY *, TERMTYPE *);
1362 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1363 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1364 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1365 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1366 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1367 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1368 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1369 extern NCURSES_EXPORT(int) _nc_keypad (bool);
1370 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1371 extern NCURSES_EXPORT(int) _nc_outch (int);
1372 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1373 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1374 extern NCURSES_EXPORT(int) _nc_timed_wait(int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1375 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int));
1376 extern NCURSES_EXPORT(void) _nc_flush (void);
1377 extern NCURSES_EXPORT(void) _nc_free_entry(ENTRY *, TERMTYPE *);
1378 extern NCURSES_EXPORT(void) _nc_freeall (void);
1379 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1380 extern NCURSES_EXPORT(void) _nc_init_keytry (void);
1381 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1382 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1383 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1384 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1385 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1386 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1387 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1388 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
1391 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1392 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1393 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1394 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1395 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1399 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1400 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1401 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1404 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1406 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1408 #define _nc_wcrtomb(s,wc,ps) wcrtomb(s,wc,ps)
1413 extern NCURSES_EXPORT(void) _nc_update_screensize (void);
1417 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1419 #define _nc_resize_margins(wp) /* nothing */
1422 #ifdef NCURSES_WGETCH_EVENTS
1423 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1425 #define wgetch_events(win, evl) wgetch(win)
1426 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1430 * Not everyone has vsscanf(), but we'd like to use it for scanw().
1433 extern int vsscanf(const char *str, const char *format, va_list __arg);
1436 /* scroll indices */
1437 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1439 #define USE_SETBUF_0 0
1441 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag)
1443 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout)
1446 * On systems with a broken linker, define 'SP' as a function to force the
1447 * linker to pull in the data-only module with 'SP'.
1450 #define SP _nc_screen()
1451 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1452 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
1453 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
1455 /* current screen is private data; avoid possible linking conflicts too */
1456 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
1457 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0)
1458 #define _nc_set_screen(sp) SP = sp
1462 * We don't want to use the lines or columns capabilities internally, because
1463 * if the application is running multiple screens under X, it's quite possible
1464 * they could all have type xterm but have different sizes! So...
1466 #define screen_lines SP->_lines
1467 #define screen_columns SP->_columns
1469 extern NCURSES_EXPORT_VAR(int) _nc_slk_format; /* != 0 if slk_init() called */
1470 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
1473 * Some constants related to SLK's
1475 #define MAX_SKEY_OLD 8 /* count of soft keys */
1476 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
1477 #define MAX_SKEY_PC 12 /* This is what most PC's have */
1478 #define MAX_SKEY_LEN_PC 5
1480 /* Macro to check whether or not we use a standard format */
1481 #define SLK_STDFMT(fmt) (fmt < 3)
1482 /* Macro to determine height of label window */
1483 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
1485 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
1486 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
1488 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int));
1491 * Common error messages
1493 #define MSG_NO_MEMORY "Out of memory"
1494 #define MSG_NO_INPUTS "Premature EOF"
1500 #endif /* CURSES_PRIV_H */