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soc/mediatek/mt8196: Initialize SSPM
[coreboot.git] / payloads / libpayload / curses / curses.priv.h
blob31ec80f1bbdad910041c0bb2a383b9d0773f1bb1
1 /****************************************************************************
2 * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. *
3 * *
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: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
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. *
22 * *
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 *
26 * authorization. *
27 ****************************************************************************/
28
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 ****************************************************************************/
34
35 /*
36 * $Id: curses.priv.h,v 1.314 2006/12/10 00:55:14 tom Exp $
37 *
38 * curses.priv.h
39 *
40 * Header file for curses library objects which are private to
41 * the library.
42 *
43 */
44
45 #ifndef _CURSES_PRIV_H
46 #define _CURSES_PRIV_H 1
47
48 //// #include <ncurses_dll.h>
49
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53
54 //// #include <ncurses_cfg.h>
55
56 #if USE_RCS_IDS
57 #define MODULE_ID(id) static const char Ident[] = id;
58 #else
59 #define MODULE_ID(id) /*nothing*/
60 #endif
61
62 #include <stdlib.h>
63 #include <string.h>
64 #include <sys/types.h>
65
66 #if HAVE_UNISTD_H
67 #include <unistd.h>
68 #endif
69
70 //// #if HAVE_SYS_BSDTYPES_H
71 //// #include <sys/bsdtypes.h> /* needed for ISC */
72 //// #endif
73
74 #if HAVE_LIMITS_H
75 # include <limits.h>
76 //// #elif HAVE_SYS_PARAM_H
77 //// # include <sys/param.h>
78 #endif
79 ////
80 //// #include <assert.h>
81 #include <stdio.h>
82
83 #include <errno.h>
84
85 #if DECL_ERRNO
86 extern int errno;
87 #endif
88
89 //// #include <nc_panel.h>
90 ////
91 //// /* Some systems have a broken 'select()', but workable 'poll()'. Use that */
92 //// #if HAVE_WORKING_POLL
93 //// #define USE_FUNC_POLL 1
94 //// #if HAVE_POLL_H
95 //// #include <poll.h>
96 //// #else
97 //// #include <sys/poll.h>
98 //// #endif
99 //// #else
100 //// #define USE_FUNC_POLL 0
101 //// #endif
102 ////
103 //// /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
104 //// #include <signal.h>
105
106 /* Alessandro Rubini's GPM (general-purpose mouse) */
107 #if HAVE_LIBGPM && HAVE_GPM_H
108 #define USE_GPM_SUPPORT 1
109 #else
110 #define USE_GPM_SUPPORT 0
111 #endif
112
113 /* QNX mouse support */
114 #if defined(__QNX__) && !defined(__QNXNTO__)
115 #define USE_QNX_MOUSE 1
116 #else
117 #define USE_QNX_MOUSE 0
118 #endif
119
120 /* EMX mouse support */
121 #ifdef __EMX__
122 #define USE_EMX_MOUSE 1
123 #else
124 #define USE_EMX_MOUSE 0
125 #endif
126
127 #define DEFAULT_MAXCLICK 166
128 #define EV_MAX 8 /* size of mouse circular event queue */
129
130 /*
131 * If we don't have signals to support it, don't add a sigwinch handler.
132 * In any case, resizing is an extended feature. Use it if we've got it.
133 */
134 #if !NCURSES_EXT_FUNCS
135 #undef HAVE_SIZECHANGE
136 #define HAVE_SIZECHANGE 0
137 #endif
138
139 #if HAVE_SIZECHANGE && defined(SIGWINCH)
140 #define USE_SIZECHANGE 1
141 #else
142 #define USE_SIZECHANGE 0
143 #undef USE_SIGWINCH
144 #define USE_SIGWINCH 0
145 #endif
146
147 /*
148 * If desired, one can configure this, disabling environment variables that
149 * point to custom terminfo/termcap locations.
150 */
151 #ifdef USE_ROOT_ENVIRON
152 #define use_terminfo_vars() 1
153 #else
154 #define use_terminfo_vars() _nc_env_access()
155 extern NCURSES_EXPORT(int) _nc_env_access (void);
156 #endif
157
158 /*
159 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
160 * have neither).
161 */
162 #if USE_OK_BCOPY
163 #define memmove(d,s,n) bcopy(s,d,n)
164 #elif USE_MY_MEMMOVE
165 #define memmove(d,s,n) _nc_memmove(d,s,n)
166 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
167 #endif
168
169 /*
170 * Scroll hints are useless when hashmap is used
171 */
172 //// #if !USE_SCROLL_HINTS
173 //// #if !USE_HASHMAP
174 //// #define USE_SCROLL_HINTS 1
175 //// #else
176 //// #define USE_SCROLL_HINTS 0
177 //// #endif
178 //// #endif
179
180 #if USE_SCROLL_HINTS
181 #define if_USE_SCROLL_HINTS(stmt) stmt
182 #else
183 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
184 #endif
185
186 /*
187 * Note: ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
188 * when we're throwing control codes at the screen at high volume. To see
189 * this, re-enable USE_HARD_TABS and run worm for a while. Other systems
190 * probably don't want to define this either due to uncertainties about tab
191 * delays and expansion in raw mode.
192 */
193
194 struct tries {
195 struct tries *child; /* ptr to child. NULL if none */
196 struct tries *sibling; /* ptr to sibling. NULL if none */
197 unsigned char ch; /* character at this node */
198 unsigned short value; /* code of string so far. 0 if none. */
199 };
200
201 /*
202 * Common/troublesome character definitions
203 */
204 #define L_BRACE '{'
205 #define R_BRACE '}'
206 #define S_QUOTE '\''
207 #define D_QUOTE '"'
208
209 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
210
211 /*
212 * Structure for palette tables
213 */
214
215 typedef struct
216 {
217 short red, green, blue; /* what color_content() returns */
218 short r, g, b; /* params to init_color() */
219 int init; /* true if we called init_color() */
220 }
221 color_t;
222
223 #define MAXCOLUMNS 135
224 #define MAXLINES 66
225 #define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
226
227 #define ACS_LEN 128
228
229 #define WINDOWLIST struct _win_list
230
231 #if USE_WIDEC_SUPPORT
232 #define _nc_bkgd _bkgrnd
233 #else
234 #undef _XOPEN_SOURCE_EXTENDED
235 #define _nc_bkgd _bkgd
236 #define wgetbkgrnd(win, wch) *wch = win->_bkgd
237 #define wbkgrnd wbkgd
238 #endif
239
240 //// #include <curses.h> /* we'll use -Ipath directive to get the right one! */
241 //// #include <term.h>
242 //// #include <term_entry.h>
243 //// #include <nc_tparm.h>
244
245 #if NCURSES_EXT_COLORS && USE_WIDEC_SUPPORT
246 #define if_EXT_COLORS(stmt) stmt
247 #define NetPair(value,p) (value).ext_color = (p), \
248 AttrOf(value) &= ALL_BUT_COLOR, \
249 AttrOf(value) |= (A_COLOR & COLOR_PAIR((p > 255) ? 255 : p))
250 #define SetPair(value,p) (value).ext_color = (p)
251 #define GetPair(value) (value).ext_color
252 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
253 #define GET_WINDOW_PAIR(w) (w)->_color
254 #define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
255 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
256 #define VIDATTR(attr, pair) vid_attr(attr, pair, 0)
257 #else
258 #define if_EXT_COLORS(stmt) /* nothing */
259 #define SetPair(value,p) RemAttr(value, A_COLOR), \
260 SetAttr(value, AttrOf(value) | (A_COLOR & COLOR_PAIR(p)))
261 #define GetPair(value) PAIR_NUMBER(AttrOf(value))
262 #define unColor(n) (AttrOf(n) & ALL_BUT_COLOR)
263 #define GET_WINDOW_PAIR(w) PAIR_NUMBER(WINDOW_ATTRS(w))
264 #define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
265 WINDOW_ATTRS(w) |= (A_COLOR & COLOR_PAIR(p))
266 #define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
267 #define VIDATTR(attr, pair) vidattr(attr)
268 #endif
269
270 #define WINDOW_ATTRS(w) ((w)->_attrs)
271
272 #define SCREEN_ATTRS(s) (*((s)->_current_attr))
273 #define GET_SCREEN_PAIR(s) GetPair(SCREEN_ATTRS(s))
274 #define SET_SCREEN_PAIR(s,p) SetPair(SCREEN_ATTRS(s), p)
275
276 /*
277 * Definitions for color pairs
278 */
279 typedef unsigned colorpair_t; /* type big enough to store PAIR_OF() */
280 #define C_SHIFT 9 /* we need more bits than there are colors */
281 #define C_MASK ((1 << C_SHIFT) - 1)
282 #define PAIR_OF(fg, bg) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
283 #define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
284
285 #define COLOR_DEFAULT C_MASK
286
287 #if defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T)
288
289 #undef NCURSES_CH_T /* this is not a termlib feature */
290 #define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
291
292 #endif /* USE_TERMLIB */
293
294 #ifndef USE_TERMLIB
295 struct ldat
296 {
297 NCURSES_CH_T *text; /* text of the line */
298 NCURSES_SIZE_T firstchar; /* first changed character in the line */
299 NCURSES_SIZE_T lastchar; /* last changed character in the line */
300 NCURSES_SIZE_T oldindex; /* index of the line at last update */
301 };
302 #endif /* USE_TERMLIB */
303
304 typedef enum {
305 M_XTERM = -1 /* use xterm's mouse tracking? */
306 ,M_NONE = 0 /* no mouse device */
307 #if USE_GPM_SUPPORT
308 ,M_GPM /* use GPM */
309 #endif
310 #if USE_SYSMOUSE
311 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
312 #endif
313 } MouseType;
314
315 /*
316 * Structures for scrolling.
317 */
318
319 typedef struct {
320 unsigned long hashval;
321 int oldcount, newcount;
322 int oldindex, newindex;
323 } HASHMAP;
324
325 /*
326 * Structures for soft labels.
327 */
328
329 struct _SLK;
330
331 #ifndef USE_TERMLIB
332
333 typedef struct
334 {
335 char *ent_text; /* text for the label */
336 char *form_text; /* formatted text (left/center/...) */
337 int ent_x; /* x coordinate of this field */
338 char dirty; /* this label has changed */
339 char visible; /* field is visible */
340 } slk_ent;
341
342 typedef struct _SLK {
343 char dirty; /* all labels have changed */
344 char hidden; /* soft labels are hidden */
345 WINDOW *win;
346 slk_ent *ent;
347 short maxlab; /* number of available labels */
348 short labcnt; /* number of allocated labels */
349 short maxlen; /* length of labels */
350 NCURSES_CH_T attr; /* soft label attribute */
351 } SLK;
352
353 #endif /* USE_TERMLIB */
354
355 typedef struct {
356 int line; /* lines to take, < 0 => from bottom*/
357 int (*hook)(WINDOW *, int); /* callback for user */
358 WINDOW *w; /* maybe we need this for cleanup */
359 } ripoff_t;
360
361 #if USE_GPM_SUPPORT
362 #undef buttons /* term.h defines this, and gpm uses it! */
363 #include <gpm.h>
364
365 #ifdef HAVE_LIBDL
366 /* link dynamically to GPM */
367 typedef int *TYPE_gpm_fd;
368 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
369 typedef int (*TYPE_Gpm_Close) (void);
370 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
371
372 #define my_gpm_fd SP->_mouse_gpm_fd
373 #define my_Gpm_Open SP->_mouse_Gpm_Open
374 #define my_Gpm_Close SP->_mouse_Gpm_Close
375 #define my_Gpm_GetEvent SP->_mouse_Gpm_GetEvent
376 #else
377 /* link statically to GPM */
378 #define my_gpm_fd &gpm_fd
379 #define my_Gpm_Open Gpm_Open
380 #define my_Gpm_Close Gpm_Close
381 #define my_Gpm_GetEvent Gpm_GetEvent
382 #endif /* HAVE_LIBDL */
383 #endif /* USE_GPM_SUPPORT */
384
385 /*
386 * The SCREEN structure.
387 */
388
389 struct screen {
390 int _ifd; /* input file ptr for screen */
391 FILE *_ofp; /* output file ptr for screen */
392 char *_setbuf; /* buffered I/O for output */
393 bool _filtered; /* filter() was called */
394 bool _buffered; /* setvbuf uses _setbuf data */
395 int _checkfd; /* filedesc for typeahead check */
396 //// TERMINAL *_term; /* terminal type information */
397 short _lines; /* screen lines */
398 short _columns; /* screen columns */
399
400 short _lines_avail; /* lines available for stdscr */
401 short _topstolen; /* lines stolen from top */
402 ripoff_t _rippedoff[5]; /* list of lines stolen */
403 int _rip_count; /* ...and total lines stolen */
404
405 WINDOW *_curscr; /* current screen */
406 WINDOW *_newscr; /* virtual screen to be updated to */
407 WINDOW *_stdscr; /* screen's full-window context */
408
409 struct tries *_keytry; /* "Try" for use with keypad mode */
410 struct tries *_key_ok; /* Disabled keys via keyok(,FALSE) */
411 bool _tried; /* keypad mode was initialized */
412 bool _keypad_on; /* keypad mode is currently on */
413
414 bool _called_wgetch; /* check for recursion in wgetch() */
415 int _fifo[FIFO_SIZE]; /* input push-back buffer */
416 short _fifohead, /* head of fifo queue */
417 _fifotail, /* tail of fifo queue */
418 _fifopeek, /* where to peek for next char */
419 _fifohold; /* set if breakout marked */
420
421 int _endwin; /* are we out of window mode? */
422 NCURSES_CH_T *_current_attr; /* holds current attributes set */
423 int _coloron; /* is color enabled? */
424 int _color_defs; /* are colors modified */
425 int _cursor; /* visibility of the cursor */
426 int _cursrow; /* physical cursor row */
427 int _curscol; /* physical cursor column */
428 bool _notty; /* true if we cannot switch non-tty */
429 int _nl; /* True if NL -> CR/NL is on */
430 int _raw; /* True if in raw mode */
431 int _cbreak; /* 1 if in cbreak mode */
432 /* > 1 if in halfdelay mode */
433 int _echo; /* True if echo on */
434 int _use_meta; /* use the meta key? */
435 struct _SLK *_slk; /* ptr to soft key struct / NULL */
436 int slk_format; /* selected format for this screen */
437 /* cursor movement costs; units are 10ths of milliseconds */
438 #if NCURSES_NO_PADDING
439 int _no_padding; /* flag to set if padding disabled */
440 #endif
441 int _char_padding; /* cost of character put */
442 int _cr_cost; /* cost of (carriage_return) */
443 int _cup_cost; /* cost of (cursor_address) */
444 int _home_cost; /* cost of (cursor_home) */
445 int _ll_cost; /* cost of (cursor_to_ll) */
446 #if USE_HARD_TABS
447 int _ht_cost; /* cost of (tab) */
448 int _cbt_cost; /* cost of (backtab) */
449 #endif /* USE_HARD_TABS */
450 int _cub1_cost; /* cost of (cursor_left) */
451 int _cuf1_cost; /* cost of (cursor_right) */
452 int _cud1_cost; /* cost of (cursor_down) */
453 int _cuu1_cost; /* cost of (cursor_up) */
454 int _cub_cost; /* cost of (parm_cursor_left) */
455 int _cuf_cost; /* cost of (parm_cursor_right) */
456 int _cud_cost; /* cost of (parm_cursor_down) */
457 int _cuu_cost; /* cost of (parm_cursor_up) */
458 int _hpa_cost; /* cost of (column_address) */
459 int _vpa_cost; /* cost of (row_address) */
460 /* used in tty_update.c, must be chars */
461 int _ed_cost; /* cost of (clr_eos) */
462 int _el_cost; /* cost of (clr_eol) */
463 int _el1_cost; /* cost of (clr_bol) */
464 int _dch1_cost; /* cost of (delete_character) */
465 int _ich1_cost; /* cost of (insert_character) */
466 int _dch_cost; /* cost of (parm_dch) */
467 int _ich_cost; /* cost of (parm_ich) */
468 int _ech_cost; /* cost of (erase_chars) */
469 int _rep_cost; /* cost of (repeat_char) */
470 int _hpa_ch_cost; /* cost of (column_address) */
471 int _cup_ch_cost; /* cost of (cursor_address) */
472 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
473 int _inline_cost; /* cost of inline-move */
474 int _smir_cost; /* cost of (enter_insert_mode) */
475 int _rmir_cost; /* cost of (exit_insert_mode) */
476 int _ip_cost; /* cost of (insert_padding) */
477 /* used in lib_mvcur.c */
478 char * _address_cursor;
479 /* used in tty_update.c */
480 int _scrolling; /* 1 if terminal's smart enough to */
481
482 /* used in lib_color.c */
483 color_t *_color_table; /* screen's color palette */
484 int _color_count; /* count of colors in palette */
485 colorpair_t *_color_pairs; /* screen's color pair list */
486 int _pair_count; /* count of color pairs */
487 #if NCURSES_EXT_FUNCS
488 bool _default_color; /* use default colors */
489 bool _has_sgr_39_49; /* has ECMA default color support */
490 int _default_fg; /* assumed default foreground */
491 int _default_bg; /* assumed default background */
492 #endif
493 chtype _ok_attributes; /* valid attributes for terminal */
494 chtype _xmc_suppress; /* attributes to suppress if xmc */
495 chtype _xmc_triggers; /* attributes to process if xmc */
496 chtype * _acs_map; /* the real alternate-charset map */
497 bool * _screen_acs_map;
498
499 /* used in lib_vidattr.c */
500 bool _use_rmso; /* true if we may use 'rmso' */
501 bool _use_rmul; /* true if we may use 'rmul' */
502
503 /*
504 * These data correspond to the state of the idcok() and idlok()
505 * functions. A caveat is in order here: the XSI and SVr4
506 * documentation specify that these functions apply to the window which
507 * is given as an argument. However, ncurses implements this logic
508 * only for the newscr/curscr update process, _not_ per-window.
509 */
510 bool _nc_sp_idlok;
511 bool _nc_sp_idcok;
512 #define _nc_idlok SP->_nc_sp_idlok
513 #define _nc_idcok SP->_nc_sp_idcok
514
515 #ifdef NCURSES_MOUSE_VERSION
516 /*
517 * These are the data that support the mouse interface.
518 */
519 bool _mouse_initialized;
520 MouseType _mouse_type;
521 int _maxclick;
522 bool (*_mouse_event) (SCREEN *);
523 bool (*_mouse_inline)(SCREEN *);
524 bool (*_mouse_parse) (int);
525 void (*_mouse_resume)(SCREEN *);
526 void (*_mouse_wrap) (SCREEN *);
527 int _mouse_fd; /* file-descriptor, if any */
528 bool _mouse_active; /* true if initialized */
529 mmask_t _mouse_mask;
530 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
531 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
532 MEVENT *_mouse_eventp; /* next free slot in event queue */
533 #endif
534
535 #if USE_GPM_SUPPORT
536 bool _mouse_gpm_loaded;
537 bool _mouse_gpm_found;
538 #ifdef HAVE_LIBDL
539 TYPE_gpm_fd _mouse_gpm_fd;
540 TYPE_Gpm_Open _mouse_Gpm_Open;
541 TYPE_Gpm_Close _mouse_Gpm_Close;
542 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
543 #endif
544 Gpm_Connect _mouse_gpm_connect;
545 #endif /* USE_GPM_SUPPORT */
546
547 #if USE_EMX_MOUSE
548 int _emxmouse_wfd;
549 int _emxmouse_thread;
550 int _emxmouse_activated;
551 char _emxmouse_buttons[4];
552 #endif
553
554 #if USE_SYSMOUSE
555 MEVENT _sysmouse_fifo[FIFO_SIZE];
556 int _sysmouse_head;
557 int _sysmouse_tail;
558 int _sysmouse_char_width; /* character width */
559 int _sysmouse_char_height; /* character height */
560 int _sysmouse_old_buttons;
561 int _sysmouse_new_buttons;
562 #endif
563
564 /*
565 * This supports automatic resizing
566 */
567 #if USE_SIZECHANGE
568 int (*_resize)(int,int);
569 #endif
570
571 /*
572 * These are data that support the proper handling of the panel stack on an
573 * per screen basis.
574 */
575 //// struct panelhook _panelHook;
576 /*
577 * Linked-list of all windows, to support '_nc_resizeall()' and
578 * '_nc_freeall()'
579 */
580 WINDOWLIST *_nc_sp_windows;
581 #define _nc_windows SP->_nc_sp_windows
582
583 bool _sig_winch;
584 SCREEN *_next_screen;
585
586 /* hashes for old and new lines */
587 unsigned long *oldhash, *newhash;
588 HASHMAP *hashtab;
589 int hashtab_len;
590
591 bool _cleanup; /* cleanup after int/quit signal */
592 int (*_outch)(int); /* output handler if not putc */
593
594 int _legacy_coding; /* see use_legacy_coding() */
595
596 /*
597 * ncurses/ncursesw are the same up to this point.
598 */
599 #if USE_WIDEC_SUPPORT
600 /* recent versions of 'screen' have partially-working support for
601 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
602 */
603 bool _screen_acs_fix;
604 #endif
605 };
606
607 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
608
609 WINDOWLIST {
610 WINDOW win; /* first, so WINDOW_EXT() works */
611 WINDOWLIST *next;
612 #ifdef _XOPEN_SOURCE_EXTENDED
613 char addch_work[(MB_LEN_MAX * 9) + 1];
614 unsigned addch_used; /* number of bytes in addch_work[] */
615 int addch_x; /* x-position for addch_work[] */
616 int addch_y; /* y-position for addch_work[] */
617 #endif
618 };
619
620 #define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field)
621
622 /* usually in <limits.h> */
623 #ifndef UCHAR_MAX
624 #define UCHAR_MAX 255
625 #endif
626
627 /* The terminfo source is assumed to be 7-bit ASCII */
628 #define is7bits(c) ((unsigned)(c) < 128)
629
630 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
631 #define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
632
633 #ifndef min
634 #define min(a,b) ((a) > (b) ? (b) : (a))
635 #endif
636
637 #ifndef max
638 #define max(a,b) ((a) < (b) ? (b) : (a))
639 #endif
640
641 /* usually in <unistd.h> */
642 #ifndef STDIN_FILENO
643 #define STDIN_FILENO 0
644 #endif
645
646 #ifndef STDOUT_FILENO
647 #define STDOUT_FILENO 1
648 #endif
649
650 #ifndef STDERR_FILENO
651 #define STDERR_FILENO 2
652 #endif
653
654 #ifndef EXIT_SUCCESS
655 #define EXIT_SUCCESS 0
656 #endif
657
658 #ifndef EXIT_FAILURE
659 #define EXIT_FAILURE 1
660 #endif
661
662 #ifndef R_OK
663 #define R_OK 4 /* Test for read permission. */
664 #endif
665 #ifndef W_OK
666 #define W_OK 2 /* Test for write permission. */
667 #endif
668 #ifndef X_OK
669 #define X_OK 1 /* Test for execute permission. */
670 #endif
671 #ifndef F_OK
672 #define F_OK 0 /* Test for existence. */
673 #endif
674
675 #if HAVE_FCNTL_H
676 //// #include <fcntl.h> /* may define O_BINARY */
677 #endif
678
679 #ifndef O_BINARY
680 #define O_BINARY 0
681 #endif
682
683 #ifdef TRACE
684 #define TRACE_OUTCHARS(n) _nc_outchars += (n);
685 #else
686 #define TRACE_OUTCHARS(n) /* nothing */
687 #endif
688
689 #define UChar(c) ((unsigned char)(c))
690 #define ChCharOf(c) ((c) & (chtype)A_CHARTEXT)
691 #define ChAttrOf(c) ((c) & (chtype)A_ATTRIBUTES)
692
693 #ifndef MB_LEN_MAX
694 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
695 #endif
696
697 #if USE_WIDEC_SUPPORT /* { */
698 #define isEILSEQ(status) ((status == (size_t)-1) && (errno == EILSEQ))
699
700 #define init_mb(state) memset(&state, 0, sizeof(state))
701
702 #if NCURSES_EXT_COLORS
703 #define NulColor , 0
704 #else
705 #define NulColor /* nothing */
706 #endif
707
708 #define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
709 #define CharOf(c) ((c).chars[0])
710 #define AttrOf(c) ((c).attr)
711 #define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
712 #define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
713 #define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES)
714 #define NewChar2(c,a) { a, { c, NulChar } NulColor }
715 #define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
716 #define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
717 #define SetChar(ch,c,a) do { \
718 NCURSES_CH_T *_cp = &ch; \
719 memset(_cp, 0, sizeof(ch)); \
720 _cp->chars[0] = (c); \
721 _cp->attr = (a); \
722 if_EXT_COLORS(SetPair(ch, PAIR_NUMBER(a))); \
723 } while (0)
724 #define CHREF(wch) (&wch)
725 #define CHDEREF(wch) (*wch)
726 #define ARG_CH_T NCURSES_CH_T *
727 #define CARG_CH_T const NCURSES_CH_T *
728 #define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
729 mbstate_t PUT_st; wchar_t PUTC_ch
730 #define PUTC_INIT init_mb (PUT_st)
731 #define PUTC(ch,b) do { if(!isWidecExt(ch)) { \
732 if (Charable(ch)) { \
733 fputc(CharOf(ch), b); \
734 TRACE_OUTCHARS(1); \
735 } else { \
736 PUTC_INIT; \
737 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
738 PUTC_ch = (ch).chars[PUTC_i]; \
739 if (PUTC_ch == L'\0') \
740 break; \
741 PUTC_n = wcrtomb(PUTC_buf, \
742 (ch).chars[PUTC_i], &PUT_st); \
743 if (PUTC_n <= 0) { \
744 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
745 putc(PUTC_ch,b); \
746 break; \
747 } \
748 fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b); \
749 } \
750 TRACE_OUTCHARS(PUTC_i); \
751 } } } while (0)
752
753 #define BLANK { WA_NORMAL, {' '} NulColor }
754 #define ZEROS { WA_NORMAL, {'\0'} NulColor }
755 #define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
756
757 /*
758 * Wide characters cannot be represented in the A_CHARTEXT mask of
759 * attr_t's but an application might have set a narrow character there.
760 * But even in that case, it would only be a printable character, or
761 * zero. Otherwise we can use those bits to tell if a cell is the
762 * first or extension part of a wide character.
763 */
764 #define WidecExt(ch) (AttrOf(ch) & A_CHARTEXT)
765 #define isWidecBase(ch) (WidecExt(ch) == 1)
766 #define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
767 #define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
768 AttrOf(dst) |= (ext + 1)
769
770 #define if_WIDEC(code) code
771 #define Charable(ch) ((SP != 0 && SP->_legacy_coding) \
772 || (AttrOf(ch) & A_ALTCHARSET) \
773 || (!isWidecExt(ch) && \
774 (ch).chars[1] == L'\0' && \
775 _nc_is_charable(CharOf(ch))))
776
777 #define L(ch) L ## ch
778 #else /* }{ */
779 #define CharOf(c) ChCharOf(c)
780 #define AttrOf(c) ChAttrOf(c)
781 #define AddAttr(c,a) c |= (a)
782 #define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
783 #define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
784 #define NewChar(ch) (ch)
785 #define NewChar2(c,a) ((c) | (a))
786 #define CharEq(a,b) ((a) == (b))
787 #define SetChar(ch,c,a) ch = (c) | (a)
788 #define CHREF(wch) wch
789 #define CHDEREF(wch) wch
790 #define ARG_CH_T NCURSES_CH_T
791 #define CARG_CH_T NCURSES_CH_T
792 #define PUTC_DATA int data = 0
793 #define PUTC(ch,b) do { data = CharOf(ch); putc(data,b); } while (0)
794
795 #define BLANK (' '|A_NORMAL)
796 #define ZEROS ('\0'|A_NORMAL)
797 #define ISBLANK(ch) (CharOf(ch) == ' ')
798
799 #define isWidecExt(ch) (0)
800 #define if_WIDEC(code) /* nothing */
801
802 #define L(ch) ch
803 #endif /* } */
804
805 #define AttrOfD(ch) AttrOf(CHDEREF(ch))
806 #define CharOfD(ch) CharOf(CHDEREF(ch))
807 #define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
808
809 #define BLANK_ATTR A_NORMAL
810 #define BLANK_TEXT L(' ')
811
812 #define CHANGED -1
813
814 #define LEGALYX(w, y, x) \
815 ((w) != 0 && \
816 ((x) >= 0 && (x) <= (w)->_maxx && \
817 (y) >= 0 && (y) <= (w)->_maxy))
818
819 #define CHANGED_CELL(line,col) \
820 if (line->firstchar == _NOCHANGE) \
821 line->firstchar = line->lastchar = col; \
822 else if ((col) < line->firstchar) \
823 line->firstchar = col; \
824 else if ((col) > line->lastchar) \
825 line->lastchar = col
826
827 #define CHANGED_RANGE(line,start,end) \
828 if (line->firstchar == _NOCHANGE \
829 || line->firstchar > (start)) \
830 line->firstchar = start; \
831 if (line->lastchar == _NOCHANGE \
832 || line->lastchar < (end)) \
833 line->lastchar = end
834
835 #define CHANGED_TO_EOL(line,start,end) \
836 if (line->firstchar == _NOCHANGE \
837 || line->firstchar > (start)) \
838 line->firstchar = start; \
839 line->lastchar = end
840
841 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
842
843 #define FreeIfNeeded(p) if ((p) != 0) free(p)
844
845 /* FreeAndNull() is not a comma-separated expression because some compilers
846 * do not accept a mixture of void with values.
847 */
848 #define FreeAndNull(p) free(p); p = 0
849
850 //// #include <nc_alloc.h>
851
852 /*
853 * TTY bit definition for converting tabs to spaces.
854 */
855 #ifdef TAB3
856 # define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
857 #else
858 # ifdef XTABS
859 # define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
860 # else
861 # ifdef OXTABS
862 # define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
863 # else
864 # define OFLAGS_TABS 0
865 # endif
866 # endif
867 #endif
868
869 /*
870 * Prefixes for call/return points of library function traces. We use these to
871 * instrument the public functions so that the traces can be easily transformed
872 * into regression scripts.
873 */
874 #define T_CALLED(fmt) "called {" fmt
875 #define T_CREATE(fmt) "create :" fmt
876 #define T_RETURN(fmt) "return }" fmt
877
878 #ifdef TRACE
879
880 #define START_TRACE() \
881 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
882 int t = _nc_getenv_num("NCURSES_TRACE"); \
883 if (t >= 0) \
884 trace((unsigned) t); \
885 }
886
887 #define TR(n, a) if (_nc_tracing & (n)) _tracef a
888 #define T(a) TR(TRACE_CALLS, a)
889 #define TPUTS_TRACE(s) _nc_tputs_trace = s;
890 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
891
892 #define returnAttr(code) TRACE_RETURN(code,attr_t)
893 #define returnBits(code) TRACE_RETURN(code,unsigned)
894 #define returnBool(code) TRACE_RETURN(code,bool)
895 #define returnCPtr(code) TRACE_RETURN(code,cptr)
896 #define returnCVoidPtr(code) TRACE_RETURN(code,cvoid_ptr)
897 #define returnChar(code) TRACE_RETURN(code,chtype)
898 #define returnCode(code) TRACE_RETURN(code,int)
899 #define returnPtr(code) TRACE_RETURN(code,ptr)
900 #define returnSP(code) TRACE_RETURN(code,sp)
901 #define returnVoid T((T_RETURN(""))); return
902 #define returnVoidPtr(code) TRACE_RETURN(code,void_ptr)
903 #define returnWin(code) TRACE_RETURN(code,win)
904
905 extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (NCURSES_BOOL);
906 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
907 extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
908 extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
909 extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
910 extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
911 extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
912 extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
913 extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
914 extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
915 extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
916 extern NCURSES_EXPORT(int) _nc_retrace_int (int);
917 extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
918 extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
919 extern NCURSES_EXPORT(void) _nc_fifo_dump (void);
920 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
921 extern NCURSES_EXPORT_VAR(long) _nc_outchars;
922 extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
923
924 #if USE_WIDEC_SUPPORT
925 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
926 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
927 #endif
928
929 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
930 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
931
932 #else /* !TRACE */
933
934 #define START_TRACE() /* nothing */
935
936 #define T(a)
937 #define TR(n, a)
938 #define TPUTS_TRACE(s)
939
940 #define returnAttr(code) return code
941 #define returnBits(code) return code
942 #define returnBool(code) return code
943 #define returnCPtr(code) return code
944 #define returnCVoidPtr(code) return code
945 #define returnChar(code) return code
946 #define returnCode(code) return code
947 #define returnPtr(code) return code
948 #define returnSP(code) return code
949 #define returnVoid return
950 #define returnVoidPtr(code) return code
951 #define returnWin(code) return code
952
953 #endif /* TRACE/!TRACE */
954
955 /*
956 * Return-codes for tgetent() and friends.
957 */
958 #define TGETENT_YES 1 /* entry is found */
959 #define TGETENT_NO 0 /* entry is not found */
960 #define TGETENT_ERR -1 /* an error occurred */
961
962 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
963 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
964
965 #define empty_module(name) \
966 extern NCURSES_EXPORT(void) name (void); \
967 NCURSES_EXPORT(void) name (void) { }
968
969 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
970 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
971 #define XMC_CHANGES(c) ((c) & SP->_xmc_suppress)
972
973 #define toggle_attr_on(S,at) {\
974 if (PAIR_NUMBER(at) > 0) {\
975 (S) = ((S) & ALL_BUT_COLOR) | (at);\
976 } else {\
977 (S) |= (at);\
978 }\
979 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
980
981 #define toggle_attr_off(S,at) {\
982 if (PAIR_NUMBER(at) > 0) {\
983 (S) &= ~(at|A_COLOR);\
984 } else {\
985 (S) &= ~(at);\
986 }\
987 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
988
989 #define DelCharCost(count) \
990 ((parm_dch != 0) \
991 ? SP->_dch_cost \
992 : ((delete_character != 0) \
993 ? (SP->_dch1_cost * count) \
994 : INFINITY))
995
996 #define InsCharCost(count) \
997 ((parm_ich != 0) \
998 ? SP->_ich_cost \
999 : ((enter_insert_mode && exit_insert_mode) \
1000 ? SP->_smir_cost + SP->_rmir_cost + (SP->_ip_cost * count) \
1001 : ((insert_character != 0) \
1002 ? ((SP->_ich1_cost + SP->_ip_cost) * count) \
1003 : INFINITY)))
1004
1005 #if USE_XMC_SUPPORT
1006 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) { \
1007 attr_t chg = AttrOf(SCREEN_ATTRS(SP)); \
1008 VIDATTR(AttrOf(c), GetPair(c)); \
1009 if (magic_cookie_glitch > 0 \
1010 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(SP))))) { \
1011 T(("%s @%d before glitch %d,%d", \
1012 __FILE__, __LINE__, \
1013 SP->_cursrow, \
1014 SP->_curscol)); \
1015 _nc_do_xmc_glitch(chg); \
1016 } \
1017 }
1018 #else
1019 #define UpdateAttrs(c) if (!SameAttrOf(SCREEN_ATTRS(SP), c)) \
1020 VIDATTR(AttrOf(c), GetPair(c));
1021 #endif
1022
1023 /*
1024 * Macros to make additional parameter to implement wgetch_events()
1025 */
1026 #ifdef NCURSES_WGETCH_EVENTS
1027 #define EVENTLIST_0th(param) param
1028 #define EVENTLIST_1st(param) param
1029 #define EVENTLIST_2nd(param) , param
1030 #else
1031 #define EVENTLIST_0th(param) void
1032 #define EVENTLIST_1st(param) /* nothing */
1033 #define EVENTLIST_2nd(param) /* nothing */
1034 #endif
1035
1036 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1037
1038 #undef toggle_attr_on
1039 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1040 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1041
1042 #undef toggle_attr_off
1043 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1044 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1045
1046 #undef DelCharCost
1047 #define DelCharCost(count) _nc_DelCharCost(count)
1048 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1049
1050 #undef InsCharCost
1051 #define InsCharCost(count) _nc_InsCharCost(count)
1052 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1053
1054 #undef UpdateAttrs
1055 #define UpdateAttrs(c) _nc_UpdateAttrs(c)
1056 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (NCURSES_CH_T);
1057
1058 #else
1059
1060 extern NCURSES_EXPORT(void) _nc_expanded (void);
1061
1062 #endif
1063
1064 #if !HAVE_GETCWD
1065 #define getcwd(buf,len) getwd(buf)
1066 #endif
1067
1068 /* charable.c */
1069 #if USE_WIDEC_SUPPORT
1070 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1071 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1072 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1073 #endif
1074
1075 /* doupdate.c */
1076 #if USE_XMC_SUPPORT
1077 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1078 #endif
1079
1080 /* hardscroll.c */
1081 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1082 extern NCURSES_EXPORT(void) _nc_linedump (void);
1083 #endif
1084
1085 /* lib_acs.c */
1086 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1087 extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
1088
1089 /* lib_addch.c */
1090 #if USE_WIDEC_SUPPORT
1091 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1092 #endif
1093
1094 /* lib_addstr.c */
1095 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1096 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1097 #endif
1098
1099 /* lib_color.c */
1100 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1101
1102 /* lib_getch.c */
1103 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, unsigned long *, int EVENTLIST_2nd(_nc_eventlist *));
1104
1105 /* lib_insch.c */
1106 extern NCURSES_EXPORT(int) _nc_insert_ch(WINDOW *, chtype);
1107
1108 /* lib_mvcur.c */
1109 #define INFINITY 1000000 /* cost: too high to use */
1110
1111 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1112 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1113 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1114
1115 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1116
1117 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1118 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1119 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1120
1121 /* lib_mouse.c */
1122 extern NCURSES_EXPORT(int) _nc_has_mouse (void);
1123
1124 /* lib_mvcur.c */
1125 #define INFINITY 1000000 /* cost: too high to use */
1126 #define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1127
1128 /* lib_setup.c */
1129 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1130 extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1131 extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(void);
1132 extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1133
1134 /* lib_tstp.c */
1135 #if USE_SIGWINCH
1136 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(int);
1137 #else
1138 #define _nc_handle_sigwinch(a) /* nothing */
1139 #endif
1140
1141 /* lib_wacs.c */
1142 #if USE_WIDEC_SUPPORT
1143 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1144 #endif
1145
1146 typedef struct {
1147 char *s_head; /* beginning of the string (may be null) */
1148 char *s_tail; /* end of the string (may be null) */
1149 size_t s_size; /* current remaining size available */
1150 size_t s_init; /* total size available */
1151 } string_desc;
1152
1153 /* strings.c */
1154 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1155 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1156 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1157 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1158 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1159
1160 #if !HAVE_STRSTR
1161 #define strstr _nc_strstr
1162 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1163 #endif
1164
1165 /* safe_sprintf.c */
1166 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1167
1168 /* tries.c */
1169 extern NCURSES_EXPORT(void) _nc_add_to_try (struct tries **, const char *, unsigned);
1170 extern NCURSES_EXPORT(char *) _nc_expand_try (struct tries *, unsigned, int *, size_t);
1171 extern NCURSES_EXPORT(int) _nc_remove_key (struct tries **, unsigned);
1172 extern NCURSES_EXPORT(int) _nc_remove_string (struct tries **, const char *);
1173
1174 /* elsewhere ... */
1175 //// extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry(ENTRY *, TERMTYPE *);
1176 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1177 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1178 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1179 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1180 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1181 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1182 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1183 extern NCURSES_EXPORT(int) _nc_keypad (bool);
1184 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1185 extern NCURSES_EXPORT(int) _nc_outch (int);
1186 //// extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1187 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1188 extern NCURSES_EXPORT(int) _nc_timed_wait(int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1189 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, int (*)(int));
1190 extern NCURSES_EXPORT(void) _nc_flush (void);
1191 //// extern NCURSES_EXPORT(void) _nc_free_entry(ENTRY *, TERMTYPE *);
1192 extern NCURSES_EXPORT(void) _nc_freeall (void);
1193 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1194 extern NCURSES_EXPORT(void) _nc_init_keytry (void);
1195 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1196 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1197 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1198 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1199 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1200 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1201 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1202 extern NCURSES_EXPORT(void) _nc_trace_tries (struct tries *);
1203
1204 #if NO_LEAKS
1205 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1206 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1207 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1208 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1209 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1210 #endif
1211
1212 #ifndef USE_TERMLIB
1213 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1214 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1215 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1216 #endif
1217
1218 #if USE_WIDEC_SUPPORT && !defined(USE_TERMLIB)
1219 #ifdef linux
1220 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1221 #else
1222 #define _nc_wcrtomb(s,wc,ps) wcrtomb(s,wc,ps)
1223 #endif
1224 #endif
1225
1226 #if USE_SIZECHANGE
1227 extern NCURSES_EXPORT(void) _nc_update_screensize (void);
1228 #endif
1229
1230 #if HAVE_RESIZETERM
1231 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1232 #else
1233 #define _nc_resize_margins(wp) /* nothing */
1234 #endif
1235
1236 #ifdef NCURSES_WGETCH_EVENTS
1237 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1238 #else
1239 #define wgetch_events(win, evl) wgetch(win)
1240 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1241 #endif
1242
1243 /*
1244 * Not everyone has vsscanf(), but we'd like to use it for scanw().
1245 */
1246 #if !HAVE_VSSCANF
1247 extern int vsscanf(const char *str, const char *format, va_list __arg);
1248 #endif
1249
1250 /* scroll indices */
1251 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1252
1253 #define USE_SETBUF_0 0
1254
1255 #define NC_BUFFERED(flag) _nc_set_buffer(SP->_ofp, flag)
1256
1257 #define NC_OUTPUT ((SP != 0) ? SP->_ofp : stdout)
1258
1259 /*
1260 * On systems with a broken linker, define 'SP' as a function to force the
1261 * linker to pull in the data-only module with 'SP'.
1262 */
1263 #if BROKEN_LINKER
1264 #define SP _nc_screen()
1265 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1266 extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
1267 extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
1268 #else
1269 /* current screen is private data; avoid possible linking conflicts too */
1270 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
1271 #define _nc_alloc_screen() ((SP = typeCalloc(SCREEN, 1)) != 0)
1272 #define _nc_set_screen(sp) SP = sp
1273 #endif
1274
1275 /*
1276 * We don't want to use the lines or columns capabilities internally, because
1277 * if the application is running multiple screens under X, it's quite possible
1278 * they could all have type xterm but have different sizes! So...
1279 */
1280 #define screen_lines SP->_lines
1281 #define screen_columns SP->_columns
1282
1283 extern NCURSES_EXPORT_VAR(int) _nc_slk_format; /* != 0 if slk_init() called */
1284 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
1285
1286 /*
1287 * Some constants related to SLK's
1288 */
1289 #define MAX_SKEY_OLD 8 /* count of soft keys */
1290 #define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
1291 #define MAX_SKEY_PC 12 /* This is what most PC's have */
1292 #define MAX_SKEY_LEN_PC 5
1293
1294 /* Macro to check whether or not we use a standard format */
1295 #define SLK_STDFMT(fmt) (fmt < 3)
1296 /* Macro to determine height of label window */
1297 #define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
1298
1299 #define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
1300 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
1301
1302 extern NCURSES_EXPORT(int) _nc_ripoffline (int line, int (*init)(WINDOW *,int));
1303
1304 /*
1305 * Common error messages
1306 */
1307 #define MSG_NO_MEMORY "Out of memory"
1308 #define MSG_NO_INPUTS "Premature EOF"
1309
1310 #ifdef __cplusplus
1311 }
1312 #endif
1313
1314 #endif /* CURSES_PRIV_H */
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