Fix gcc80 -Wmultistatement-macros.
[dragonfly.git] / contrib / ncurses / ncurses / curses.priv.h
CommitLineData
84b24e83 1/****************************************************************************
3468e90c 2 * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc. *
84b24e83
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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> *
1d102085 32 * and: Thomas E. Dickey 1996-on *
00d8f3c4 33 * and: Juergen Pfeifer *
84b24e83
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34 ****************************************************************************/
35
84b24e83 36/*
3468e90c 37 * $Id: curses.priv.h,v 1.552 2016/02/13 16:37:24 tom Exp $
84b24e83
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38 *
39 * curses.priv.h
40 *
41 * Header file for curses library objects which are private to
42 * the library.
43 *
44 */
45
46#ifndef CURSES_PRIV_H
47#define CURSES_PRIV_H 1
00d8f3c4 48/* *INDENT-OFF* */
84b24e83
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49
50#include <ncurses_dll.h>
51
52#ifdef __cplusplus
53extern "C" {
54#endif
55
56#include <ncurses_cfg.h>
57
58#if USE_RCS_IDS
59#define MODULE_ID(id) static const char Ident[] = id;
60#else
61#define MODULE_ID(id) /*nothing*/
62#endif
63
00d8f3c4 64#include <stddef.h> /* for offsetof */
84b24e83
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65#include <stdlib.h>
66#include <string.h>
67#include <sys/types.h>
3468e90c 68#include <sys/stat.h>
84b24e83
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69
70#if HAVE_UNISTD_H
71#include <unistd.h>
72#endif
73
74#if HAVE_SYS_BSDTYPES_H
75#include <sys/bsdtypes.h> /* needed for ISC */
76#endif
77
78#if HAVE_LIMITS_H
79# include <limits.h>
80#elif HAVE_SYS_PARAM_H
81# include <sys/param.h>
82#endif
83
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84#include <assert.h>
85#include <stdio.h>
86
87#include <errno.h>
88
3468e90c
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89#if defined __hpux
90# ifndef EILSEQ
91# define EILSEQ 47
92# endif
93#endif
94
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95#ifndef PATH_MAX
96# if defined(_POSIX_PATH_MAX)
97# define PATH_MAX _POSIX_PATH_MAX
98# elif defined(MAXPATHLEN)
99# define PATH_MAX MAXPATHLEN
100# else
101# define PATH_MAX 255 /* the Posix minimum path-size */
102# endif
103#endif
104
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105#if DECL_ERRNO
106extern int errno;
107#endif
108
84b24e83
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109/* Some systems have a broken 'select()', but workable 'poll()'. Use that */
110#if HAVE_WORKING_POLL
111#define USE_FUNC_POLL 1
112#if HAVE_POLL_H
113#include <poll.h>
114#else
115#include <sys/poll.h>
116#endif
117#else
118#define USE_FUNC_POLL 0
119#endif
120
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121#if HAVE_INTTYPES_H
122# include <inttypes.h>
123#else
124# if HAVE_STDINT_H
125# include <stdint.h>
126# endif
127#endif
128
84b24e83
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129/* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
130#include <signal.h>
131
132/* Alessandro Rubini's GPM (general-purpose mouse) */
133#if HAVE_LIBGPM && HAVE_GPM_H
134#define USE_GPM_SUPPORT 1
135#else
136#define USE_GPM_SUPPORT 0
137#endif
138
139/* QNX mouse support */
140#if defined(__QNX__) && !defined(__QNXNTO__)
141#define USE_QNX_MOUSE 1
142#else
143#define USE_QNX_MOUSE 0
144#endif
145
146/* EMX mouse support */
147#ifdef __EMX__
148#define USE_EMX_MOUSE 1
149#else
150#define USE_EMX_MOUSE 0
151#endif
152
3468e90c
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153/* kLIBC keyboard/mouse support */
154#if defined(__OS2__) && defined(__KLIBC__)
155#define USE_KLIBC_KBD 1
156#define USE_KLIBC_MOUSE 1
157#else
158#define USE_KLIBC_KBD 0
159#define USE_KLIBC_MOUSE 0
160#endif
161
84b24e83
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162#define DEFAULT_MAXCLICK 166
163#define EV_MAX 8 /* size of mouse circular event queue */
164
165/*
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.
168 */
169#if !NCURSES_EXT_FUNCS
170#undef HAVE_SIZECHANGE
171#define HAVE_SIZECHANGE 0
172#endif
173
1d102085 174#if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH)
84b24e83
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175#define USE_SIZECHANGE 1
176#else
177#define USE_SIZECHANGE 0
178#undef USE_SIGWINCH
179#define USE_SIGWINCH 0
180#endif
181
3468e90c
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182/*
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
186 */
187#ifdef __MINGW32__
188# ifdef NCURSES_PATHSEP
189# undef NCURSES_PATHSEP
190# endif
191# define NCURSES_PATHSEP ';'
192#endif
193
84b24e83
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194/*
195 * If desired, one can configure this, disabling environment variables that
196 * point to custom terminfo/termcap locations.
197 */
198#ifdef USE_ROOT_ENVIRON
199#define use_terminfo_vars() 1
200#else
201#define use_terminfo_vars() _nc_env_access()
202extern NCURSES_EXPORT(int) _nc_env_access (void);
203#endif
204
205/*
206 * Not all platforms have memmove; some have an equivalent bcopy. (Some may
207 * have neither).
208 */
209#if USE_OK_BCOPY
210#define memmove(d,s,n) bcopy(s,d,n)
211#elif USE_MY_MEMMOVE
212#define memmove(d,s,n) _nc_memmove(d,s,n)
213extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
214#endif
215
00d8f3c4
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216/*
217 * If we have va_copy(), use it for assigning va_list's.
218 */
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)
225#else
226#define begin_va_copy(dst,src) (dst) = (src)
227#define end_va_copy(dst) /* nothing */
228#endif
229
3468e90c
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230/*
231 * Either/both S_ISxxx and/or S_IFxxx are defined in sys/types.h; some systems
232 * lack one or the other.
233 */
234#ifndef S_ISDIR
235#define S_ISDIR(mode) ((mode & S_IFMT) == S_IFDIR)
236#endif
237
238#ifndef S_ISREG
239#define S_ISREG(mode) ((mode & S_IFMT) == S_IFREG)
240#endif
241
84b24e83
EN
242/*
243 * Scroll hints are useless when hashmap is used
244 */
245#if !USE_SCROLL_HINTS
246#if !USE_HASHMAP
247#define USE_SCROLL_HINTS 1
248#else
249#define USE_SCROLL_HINTS 0
250#endif
251#endif
252
253#if USE_SCROLL_HINTS
254#define if_USE_SCROLL_HINTS(stmt) stmt
255#else
256#define if_USE_SCROLL_HINTS(stmt) /*nothing*/
257#endif
258
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259#include <nc_string.h>
260
00d8f3c4
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261/*
262 * Options for terminal drivers, etc...
263 */
264#ifdef USE_TERM_DRIVER
265#define USE_SP_RIPOFF 1
266#define USE_SP_TERMTYPE 1
267#define USE_SP_WINDOWLIST 1
268#endif
269
84b24e83
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270/*
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.
276 */
277
1d102085
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278#define TRIES struct tries
279typedef TRIES {
280 TRIES *child; /* ptr to child. NULL if none */
281 TRIES *sibling; /* ptr to sibling. NULL if none */
84b24e83
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282 unsigned char ch; /* character at this node */
283 unsigned short value; /* code of string so far. 0 if none. */
1d102085
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284#undef TRIES
285} TRIES;
84b24e83
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286
287/*
288 * Common/troublesome character definitions
289 */
1d102085
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290#define StringOf(ch) {ch, 0}
291
84b24e83
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292#define L_BRACE '{'
293#define R_BRACE '}'
294#define S_QUOTE '\''
295#define D_QUOTE '"'
296
297#define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
298
299/*
300 * Structure for palette tables
301 */
302
84b24e83
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303#define MAXCOLUMNS 135
304#define MAXLINES 66
305#define FIFO_SIZE MAXCOLUMNS+2 /* for nocbreak mode input */
306
307#define ACS_LEN 128
308
309#define WINDOWLIST struct _win_list
310
311#if USE_WIDEC_SUPPORT
312#define _nc_bkgd _bkgrnd
313#else
314#undef _XOPEN_SOURCE_EXTENDED
00d8f3c4 315#undef _XPG5
84b24e83 316#define _nc_bkgd _bkgd
3468e90c 317#define wgetbkgrnd(win, wch) ((*wch = win->_bkgd) != 0 ? OK : ERR)
84b24e83
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318#define wbkgrnd wbkgd
319#endif
320
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321#undef NCURSES_OPAQUE
322#define NCURSES_INTERNALS 1
323#define NCURSES_OPAQUE 0
324
84b24e83 325#include <curses.h> /* we'll use -Ipath directive to get the right one! */
00d8f3c4 326
3468e90c
JM
327typedef struct
328{
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() */
332}
333color_t;
334
00d8f3c4
JM
335/*
336 * If curses.h did not expose the SCREEN-functions, then we do not need the
337 * parameter in the corresponding unextended functions.
338 */
339
340#define USE_SP_FUNC_SUPPORT NCURSES_SP_FUNCS
341#define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS)
342
343#if NCURSES_SP_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
350#else
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
357#endif
358
359#include <nc_panel.h>
360
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))
364
3468e90c 365#if USE_REENTRANT
00d8f3c4
JM
366#define CurTerm _nc_prescreen._cur_term
367#else
368#define CurTerm cur_term
369#endif
370
371#if NCURSES_SP_FUNCS
372#define TerminalOf(sp) ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm)
373#else
374#define TerminalOf(sp) CurTerm
375#endif
376
84b24e83 377#include <term.h>
3468e90c 378#include <nc_termios.h>
00d8f3c4
JM
379
380/*
381 * Reduce dependency on cur_term global by using terminfo data from SCREEN's
382 * pointer to this data.
383 */
384#ifdef USE_SP_TERMTYPE
385#undef CUR
386#endif
387
388#define SP_TERMTYPE TerminalOf(sp)->type.
389
1d102085 390#include <term_entry.h>
00d8f3c4 391
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392#include <nc_tparm.h>
393
3468e90c
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394/*
395 * Simplify ifdef's for the "*_ATTR" macros in case italics are not configured.
396 */
397#ifdef A_ITALIC
398#define USE_ITALIC 1
399#else
400#define USE_ITALIC 0
401#define A_ITALIC 0
402#endif
403
00d8f3c4
JM
404/*
405 * Use these macros internally, to make tracing less verbose. But leave the
406 * option for compiling the tracing into the library.
407 */
408#if 1
409#define ColorPair(n) NCURSES_BITS(n, 0)
410#define PairNumber(a) (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT)))
411#else
412#define ColorPair(pair) COLOR_PAIR(pair)
413#define PairNumber(attr) PAIR_NUMBER(attr)
414#endif
415
416#define unColor(n) unColor2(AttrOf(n))
417#define unColor2(a) ((a) & ALL_BUT_COLOR)
418
419/*
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.
424 */
425#if NCURSES_EXT_COLORS
1d102085 426#define if_EXT_COLORS(stmt) stmt
00d8f3c4
JM
427#define SetPair(value,p) SetPair2((value).ext_color, AttrOf(value), p)
428#define SetPair2(c,a,p) c = (p), \
3468e90c 429 a = (unColor2(a) | (A_COLOR & (unsigned) ColorPair(oldColor(c))))
00d8f3c4
JM
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)
1d102085
JL
434#define SET_WINDOW_PAIR(w,p) (w)->_color = (p)
435#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
00d8f3c4 436
3468e90c 437#define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vid_puts)(NCURSES_SP_ARGx attr, (short) pair, 0, NCURSES_OUTC_FUNC)
00d8f3c4
JM
438
439#else /* !NCURSES_EXT_COLORS */
440
1d102085
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441#define if_EXT_COLORS(stmt) /* nothing */
442#define SetPair(value,p) RemAttr(value, A_COLOR), \
00d8f3c4
JM
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))
1d102085 446#define SET_WINDOW_PAIR(w,p) WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
00d8f3c4 447 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p))
1d102085 448#define SameAttrOf(a,b) (AttrOf(a) == AttrOf(b))
00d8f3c4 449
3468e90c 450#define VIDATTR(sp,attr,pair) NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC)
1d102085 451
00d8f3c4
JM
452#endif /* NCURSES_EXT_COLORS */
453
3468e90c
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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)
457
1d102085
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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)
00d8f3c4 461extern NCURSES_EXPORT(void) _nc_set_no_padding(SCREEN *);
1d102085
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462#else
463#define GetNoPadding(sp) FALSE
464#define SetNoPadding(sp) /*nothing*/
465#endif
466
467#define WINDOW_ATTRS(w) ((w)->_attrs)
468
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)
472
00d8f3c4
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473#if USE_REENTRANT || NCURSES_SP_FUNCS
474NCURSES_EXPORT(int *) _nc_ptr_Lines (SCREEN *);
475NCURSES_EXPORT(int *) _nc_ptr_Cols (SCREEN *);
476NCURSES_EXPORT(int *) _nc_ptr_Tabsize (SCREEN *);
477NCURSES_EXPORT(int *) _nc_ptr_Escdelay (SCREEN *);
478#endif
479
1d102085 480#if USE_REENTRANT
00d8f3c4
JM
481
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))
486
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
491
1d102085 492#else
00d8f3c4
JM
493
494#define ptrLines(sp) &LINES
495#define ptrCols(sp) &COLS
496#define ptrTabsize(sp) &TABSIZE
497#define ptrEscdelay(sp) &ESCDELAY
498
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
503
1d102085
JL
504#endif
505
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)
516
00d8f3c4
JM
517#if USE_WEAK_SYMBOLS
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)
522# else
523# define _weak_pragma(exp)
524# endif
525# define _declare(name) __extension__ extern __typeof__(name) name
526# define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3468e90c
JM
527#else
528# undef USE_WEAK_SYMBOLS
529# define USE_WEAK_SYMBOLS 0
00d8f3c4
JM
530#endif
531#endif
532
1d102085
JL
533#ifdef USE_PTHREADS
534
535#if USE_REENTRANT
536#include <pthread.h>
537extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
538extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
539extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
540extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
541extern 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)
545
546#else
547#error POSIX threads requires --enable-reentrant option
548#endif
549
1d102085
JL
550#ifdef USE_PTHREADS
551# if USE_WEAK_SYMBOLS
552weak_symbol(pthread_sigmask);
00d8f3c4 553weak_symbol(pthread_kill);
1d102085
JL
554weak_symbol(pthread_self);
555weak_symbol(pthread_equal);
556weak_symbol(pthread_mutex_init);
557weak_symbol(pthread_mutex_lock);
558weak_symbol(pthread_mutex_unlock);
559weak_symbol(pthread_mutex_trylock);
560weak_symbol(pthread_mutexattr_settype);
561weak_symbol(pthread_mutexattr_init);
562extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
563# undef sigprocmask
564# define sigprocmask _nc_sigprocmask
565# endif
566#endif
567
568#if HAVE_NANOSLEEP
569#undef HAVE_NANOSLEEP
570#define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
571#endif
572
573#else /* !USE_PTHREADS */
574
00d8f3c4
JM
575#if USE_PTHREADS_EINTR
576# if USE_WEAK_SYMBOLS
577#include <pthread.h>
578weak_symbol(pthread_sigmask);
579weak_symbol(pthread_kill);
580weak_symbol(pthread_self);
581weak_symbol(pthread_equal);
582extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
583# undef sigprocmask
584# define sigprocmask _nc_sigprocmask
585# endif
586#endif /* USE_PTHREADS_EINTR */
587
1d102085
JL
588#define _nc_init_pthreads() /* nothing */
589#define _nc_mutex_init(obj) /* nothing */
590
591#define _nc_lock_global(name) /* nothing */
592#define _nc_try_global(name) 0
593#define _nc_unlock_global(name) /* nothing */
594
595#endif /* USE_PTHREADS */
596
00d8f3c4
JM
597/*
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.
601 *
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".
604 */
605#if NCURSES_SP_FUNCS
606
607#define _nc_nonsp_lock_global(name) /* nothing */
608#define _nc_nonsp_try_global(name) 0
609#define _nc_nonsp_unlock_global(name) /* nothing */
610
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)
614
615#else
616
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)
620
621#define _nc_sp_lock_global(name) /* nothing */
622#define _nc_sp_try_global(name) 0
623#define _nc_sp_unlock_global(name) /* nothing */
624
625#endif
626
1d102085
JL
627#if HAVE_GETTIMEOFDAY
628# define PRECISE_GETTIME 1
629# define TimeType struct timeval
630#else
631# define PRECISE_GETTIME 0
632# define TimeType time_t
633#endif
634
635/*
636 * Definitions for color pairs
637 */
638typedef 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)
00d8f3c4
JM
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)
1d102085
JL
644#define isDefaultColor(c) ((c) >= COLOR_DEFAULT || (c) < 0)
645
646#define COLOR_DEFAULT C_MASK
84b24e83 647
00d8f3c4 648#if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T))
1d102085
JL
649
650#undef NCURSES_CH_T /* this is not a termlib feature */
651#define NCURSES_CH_T void /* ...but we need a pointer in SCREEN */
652
653#endif /* USE_TERMLIB */
654
655#ifndef USE_TERMLIB
84b24e83
EN
656struct ldat
657{
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 */
662};
1d102085 663#endif /* USE_TERMLIB */
84b24e83
EN
664
665typedef enum {
666 M_XTERM = -1 /* use xterm's mouse tracking? */
667 ,M_NONE = 0 /* no mouse device */
668#if USE_GPM_SUPPORT
669 ,M_GPM /* use GPM */
670#endif
671#if USE_SYSMOUSE
672 ,M_SYSMOUSE /* FreeBSD sysmouse on console */
673#endif
00d8f3c4
JM
674#ifdef USE_TERM_DRIVER
675 ,M_TERM_DRIVER /* Win32 console, etc */
676#endif
84b24e83
EN
677} MouseType;
678
3468e90c
JM
679typedef enum {
680 MF_X10 = 0 /* conventional 3-byte format */
681 , MF_SGR1006 /* xterm private mode 1006, SGR-style */
682#ifdef EXP_XTERM_1005
683 , MF_XTERM_1005 /* xterm UTF-8 private mode 1005 */
684#endif
685} MouseFormat;
686
84b24e83 687/*
1d102085
JL
688 * Structures for scrolling.
689 */
690
691typedef struct {
692 unsigned long hashval;
693 int oldcount, newcount;
694 int oldindex, newindex;
695} HASHMAP;
696
697/*
698 * Structures for soft labels.
84b24e83
EN
699 */
700
1d102085
JL
701struct _SLK;
702
00d8f3c4 703#if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1d102085 704
84b24e83
EN
705typedef struct
706{
1d102085
JL
707 char *ent_text; /* text for the label */
708 char *form_text; /* formatted text (left/center/...) */
709 int ent_x; /* x coordinate of this field */
710 char dirty; /* this label has changed */
711 char visible; /* field is visible */
84b24e83
EN
712} slk_ent;
713
1d102085 714typedef struct _SLK {
00d8f3c4
JM
715 bool dirty; /* all labels have changed */
716 bool hidden; /* soft labels are hidden */
717 WINDOW *win;
84b24e83 718 slk_ent *ent;
00d8f3c4
JM
719 short maxlab; /* number of available labels */
720 short labcnt; /* number of allocated labels */
721 short maxlen; /* length of labels */
1d102085 722 NCURSES_CH_T attr; /* soft label attribute */
84b24e83
EN
723} SLK;
724
1d102085 725#endif /* USE_TERMLIB */
84b24e83
EN
726
727typedef struct {
1d102085
JL
728 WINDOW *win; /* the window used in the hook */
729 int line; /* lines to take, < 0 => from bottom*/
730 int (*hook)(WINDOW *, int); /* callback for user */
84b24e83
EN
731} ripoff_t;
732
1d102085
JL
733#if USE_GPM_SUPPORT
734#undef buttons /* term.h defines this, and gpm uses it! */
735#include <gpm.h>
3468e90c
JM
736#if USE_WEAK_SYMBOLS
737weak_symbol(Gpm_Wgetch);
738#endif
1d102085
JL
739
740#ifdef HAVE_LIBDL
741/* link dynamically to GPM */
742typedef int *TYPE_gpm_fd;
743typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
744typedef int (*TYPE_Gpm_Close) (void);
745typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
746
00d8f3c4
JM
747#define my_gpm_fd SP_PARM->_mouse_gpm_fd
748#define my_Gpm_Open SP_PARM->_mouse_Gpm_Open
749#define my_Gpm_Close SP_PARM->_mouse_Gpm_Close
750#define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent
1d102085
JL
751#else
752/* link statically to GPM */
753#define my_gpm_fd &gpm_fd
754#define my_Gpm_Open Gpm_Open
755#define my_Gpm_Close Gpm_Close
756#define my_Gpm_GetEvent Gpm_GetEvent
757#endif /* HAVE_LIBDL */
758#endif /* USE_GPM_SUPPORT */
759
760typedef struct {
761 long sequence;
762 bool last_used;
763 char *fix_sgr0; /* this holds the filtered sgr0 string */
764 char *last_bufp; /* help with fix_sgr0 leak */
765 TERMINAL *last_term;
766} TGETENT_CACHE;
767
768#define TGETENT_MAX 4
769
770/*
771 * State of tparm().
772 */
773#define STACKSIZE 20
774
775typedef struct {
776 union {
777 int num;
778 char *str;
779 } data;
780 bool num_type;
781} STACK_FRAME;
782
783#define NUM_VARS 26
784
785typedef struct {
786#ifdef TRACE
787 const char *tname;
788#endif
789 const char *tparam_base;
790
791 STACK_FRAME stack[STACKSIZE];
792 int stack_ptr;
793
794 char *out_buff;
795 size_t out_size;
796 size_t out_used;
797
798 char *fmt_buff;
799 size_t fmt_size;
800
801 int dynamic_var[NUM_VARS];
802 int static_vars[NUM_VARS];
803} TPARM_STATE;
804
805typedef struct {
806 char *text;
807 size_t size;
808} TRACEBUF;
809
810/*
811 * The filesystem database normally uses a single-letter for the lower level
812 * of directories. Use a hexadecimal code for filesystems which do not
813 * preserve mixed-case names.
814 */
815#if MIXEDCASE_FILENAMES
816#define LEAF_FMT "%c"
00d8f3c4 817#define LEAF_LEN 1
1d102085
JL
818#else
819#define LEAF_FMT "%02x"
00d8f3c4 820#define LEAF_LEN 2
1d102085
JL
821#endif
822
823/*
824 * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
825 * could at most have 10 digits, and the mask contains no more than 32 bits
826 * with each bit representing less than 15 characters. Usually the whole
827 * string is less than 80 columns, but this buffer size is an absolute
828 * limit.
829 */
830#define TRACEMSE_MAX (80 + (5 * 10) + (32 * 15))
831#define TRACEMSE_FMT "id %2d at (%2d, %2d, %2d) state %4lx = {" /* } */
832
00d8f3c4
JM
833#ifdef USE_TERM_DRIVER
834struct DriverTCB; /* Terminal Control Block forward declaration */
835#define INIT_TERM_DRIVER() _nc_globals.term_driver = _nc_get_driver
836#else
837#define INIT_TERM_DRIVER() /* nothing */
838#endif
839
3468e90c
JM
840typedef struct {
841 const char *name;
842 char *value;
843} ITERATOR_VARS;
844
1d102085
JL
845/*
846 * Global data which is not specific to a screen.
847 */
848typedef struct {
3468e90c 849 SIG_ATOMIC_T have_sigtstp;
1d102085
JL
850 SIG_ATOMIC_T have_sigwinch;
851 SIG_ATOMIC_T cleanup_nested;
852
853 bool init_signals;
854 bool init_screen;
855
3468e90c 856 char *comp_sourcename;
1d102085
JL
857 char *comp_termtype;
858
859 bool have_tic_directory;
860 bool keep_tic_directory;
861 const char *tic_directory;
862
863 char *dbi_list;
864 int dbi_size;
865
866 char *first_name;
867 char **keyname_table;
3468e90c 868 int init_keyname;
1d102085
JL
869
870 int slk_format;
871
872 char *safeprint_buf;
873 size_t safeprint_used;
874
875 TGETENT_CACHE tgetent_cache[TGETENT_MAX];
876 int tgetent_index;
877 long tgetent_sequence;
878
3468e90c
JM
879 char *dbd_blob; /* string-heap for dbd_list[] */
880 char **dbd_list; /* distinct places to look for data */
881 int dbd_size; /* length of dbd_list[] */
882 time_t dbd_time; /* cache last updated */
883 ITERATOR_VARS dbd_vars[dbdLAST];
884
00d8f3c4 885#ifndef USE_SP_WINDOWLIST
1d102085 886 WINDOWLIST *_nc_windowlist;
00d8f3c4
JM
887#define WindowList(sp) _nc_globals._nc_windowlist
888#endif
1d102085
JL
889
890#if USE_HOME_TERMINFO
891 char *home_terminfo;
892#endif
893
894#if !USE_SAFE_SPRINTF
895 int safeprint_cols;
896 int safeprint_rows;
897#endif
898
00d8f3c4
JM
899#ifdef USE_TERM_DRIVER
900 int (*term_driver)(struct DriverTCB*, const char*, int*);
901#endif
902
1d102085
JL
903#ifdef TRACE
904 bool init_trace;
905 char trace_fname[PATH_MAX];
906 int trace_level;
907 FILE *trace_fp;
908
909 char *tracearg_buf;
910 size_t tracearg_used;
911
912 TRACEBUF *tracebuf_ptr;
913 size_t tracebuf_used;
914
915 char tracechr_buf[40];
916
917 char *tracedmp_buf;
918 size_t tracedmp_used;
919
920 unsigned char *tracetry_buf;
921 size_t tracetry_used;
922
923 char traceatr_color_buf[2][80];
924 int traceatr_color_sel;
925 int traceatr_color_last;
00d8f3c4
JM
926#if !defined(USE_PTHREADS) && USE_REENTRANT
927 int nested_tracef;
928#endif
1d102085
JL
929#endif /* TRACE */
930
931#ifdef USE_PTHREADS
932 pthread_mutex_t mutex_curses;
933 pthread_mutex_t mutex_tst_tracef;
934 pthread_mutex_t mutex_tracef;
935 int nested_tracef;
936 int use_pthreads;
937#define _nc_use_pthreads _nc_globals.use_pthreads
938#endif
00d8f3c4
JM
939#if USE_PTHREADS_EINTR
940 pthread_t read_thread; /* The reading thread */
941#endif
1d102085
JL
942} NCURSES_GLOBALS;
943
944extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
945
946#define N_RIPS 5
947
948/*
949 * Global data which can be swept up into a SCREEN when one is created.
950 * It may be modified before the next SCREEN is created.
951 */
952typedef struct {
953 bool use_env;
954 bool filter_mode;
955 attr_t previous_attr;
00d8f3c4 956#ifndef USE_SP_RIPOFF
1d102085
JL
957 ripoff_t rippedoff[N_RIPS];
958 ripoff_t *rsp;
00d8f3c4 959#endif
1d102085
JL
960 TPARM_STATE tparm_state;
961 TTY *saved_tty; /* savetty/resetty information */
962#if NCURSES_NO_PADDING
963 bool _no_padding; /* flag to set if padding disabled */
964#endif
00d8f3c4 965 NCURSES_SP_OUTC _outch; /* output handler if not putc */
1d102085
JL
966#if BROKEN_LINKER || USE_REENTRANT
967 chtype *real_acs_map;
968 int _LINES;
969 int _COLS;
00d8f3c4
JM
970 int _TABSIZE;
971 int _ESCDELAY;
1d102085
JL
972 TERMINAL *_cur_term;
973#ifdef TRACE
974 long _outchars;
975 const char *_tputs_trace;
976#endif
977#endif
3468e90c 978 bool use_tioctl;
1d102085
JL
979} NCURSES_PRESCREEN;
980
00d8f3c4
JM
981/*
982 * Use screen-specific ripoff data (for softkeys) rather than global.
983 */
984#ifdef USE_SP_RIPOFF
985#define safe_ripoff_sp (sp)->rsp
986#define safe_ripoff_stack (sp)->rippedoff
987#else
988#define safe_ripoff_sp _nc_prescreen.rsp
989#define safe_ripoff_stack _nc_prescreen.rippedoff
990#endif
1d102085
JL
991
992extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
993
994/*
995 * The SCREEN structure.
996 */
997
84b24e83 998struct screen {
3468e90c
JM
999 int _ifd; /* input file descriptor for screen */
1000 int _ofd; /* output file descriptor for screen */
1d102085 1001 FILE *_ofp; /* output file ptr for screen */
3468e90c
JM
1002 char *out_buffer; /* output buffer */
1003 size_t out_limit; /* output buffer size */
1004 size_t out_inuse; /* output buffer current use */
1d102085 1005 bool _filtered; /* filter() was called */
00d8f3c4
JM
1006 bool _prescreen; /* is in prescreen phase */
1007 bool _use_env; /* LINES & COLS from environment? */
1d102085
JL
1008 int _checkfd; /* filedesc for typeahead check */
1009 TERMINAL *_term; /* terminal type information */
1010 TTY _saved_tty; /* savetty/resetty information */
1011 NCURSES_SIZE_T _lines; /* screen lines */
1012 NCURSES_SIZE_T _columns; /* screen columns */
1013
1014 NCURSES_SIZE_T _lines_avail; /* lines available for stdscr */
1015 NCURSES_SIZE_T _topstolen; /* lines stolen from top */
1016
1017 WINDOW *_curscr; /* current screen */
1018 WINDOW *_newscr; /* virtual screen to be updated to */
1019 WINDOW *_stdscr; /* screen's full-window context */
1020
00d8f3c4
JM
1021#define CurScreen(sp) (sp)->_curscr
1022#define NewScreen(sp) (sp)->_newscr
1023#define StdScreen(sp) (sp)->_stdscr
1024
1d102085
JL
1025 TRIES *_keytry; /* "Try" for use with keypad mode */
1026 TRIES *_key_ok; /* Disabled keys via keyok(,FALSE) */
1027 bool _tried; /* keypad mode was initialized */
1028 bool _keypad_on; /* keypad mode is currently on */
84b24e83
EN
1029
1030 bool _called_wgetch; /* check for recursion in wgetch() */
1d102085
JL
1031 int _fifo[FIFO_SIZE]; /* input push-back buffer */
1032 short _fifohead, /* head of fifo queue */
1033 _fifotail, /* tail of fifo queue */
1034 _fifopeek, /* where to peek for next char */
1035 _fifohold; /* set if breakout marked */
1036
1037 int _endwin; /* are we out of window mode? */
1038 NCURSES_CH_T *_current_attr; /* holds current attributes set */
1039 int _coloron; /* is color enabled? */
84b24e83 1040 int _color_defs; /* are colors modified */
1d102085
JL
1041 int _cursor; /* visibility of the cursor */
1042 int _cursrow; /* physical cursor row */
1043 int _curscol; /* physical cursor column */
84b24e83 1044 bool _notty; /* true if we cannot switch non-tty */
1d102085
JL
1045 int _nl; /* True if NL -> CR/NL is on */
1046 int _raw; /* True if in raw mode */
1047 int _cbreak; /* 1 if in cbreak mode */
1048 /* > 1 if in halfdelay mode */
1049 int _echo; /* True if echo on */
1050 int _use_meta; /* use the meta key? */
1051 struct _SLK *_slk; /* ptr to soft key struct / NULL */
1052 int slk_format; /* selected format for this screen */
84b24e83
EN
1053 /* cursor movement costs; units are 10ths of milliseconds */
1054#if NCURSES_NO_PADDING
1d102085 1055 bool _no_padding; /* flag to set if padding disabled */
84b24e83 1056#endif
1d102085
JL
1057 int _char_padding; /* cost of character put */
1058 int _cr_cost; /* cost of (carriage_return) */
1059 int _cup_cost; /* cost of (cursor_address) */
1060 int _home_cost; /* cost of (cursor_home) */
1061 int _ll_cost; /* cost of (cursor_to_ll) */
84b24e83 1062#if USE_HARD_TABS
1d102085
JL
1063 int _ht_cost; /* cost of (tab) */
1064 int _cbt_cost; /* cost of (backtab) */
84b24e83 1065#endif /* USE_HARD_TABS */
1d102085
JL
1066 int _cub1_cost; /* cost of (cursor_left) */
1067 int _cuf1_cost; /* cost of (cursor_right) */
1068 int _cud1_cost; /* cost of (cursor_down) */
1069 int _cuu1_cost; /* cost of (cursor_up) */
1070 int _cub_cost; /* cost of (parm_cursor_left) */
1071 int _cuf_cost; /* cost of (parm_cursor_right) */
1072 int _cud_cost; /* cost of (parm_cursor_down) */
1073 int _cuu_cost; /* cost of (parm_cursor_up) */
1074 int _hpa_cost; /* cost of (column_address) */
1075 int _vpa_cost; /* cost of (row_address) */
84b24e83 1076 /* used in tty_update.c, must be chars */
1d102085
JL
1077 int _ed_cost; /* cost of (clr_eos) */
1078 int _el_cost; /* cost of (clr_eol) */
1079 int _el1_cost; /* cost of (clr_bol) */
1080 int _dch1_cost; /* cost of (delete_character) */
1081 int _ich1_cost; /* cost of (insert_character) */
1082 int _dch_cost; /* cost of (parm_dch) */
1083 int _ich_cost; /* cost of (parm_ich) */
1084 int _ech_cost; /* cost of (erase_chars) */
1085 int _rep_cost; /* cost of (repeat_char) */
1086 int _hpa_ch_cost; /* cost of (column_address) */
1087 int _cup_ch_cost; /* cost of (cursor_address) */
1088 int _cuf_ch_cost; /* cost of (parm_cursor_right) */
1089 int _inline_cost; /* cost of inline-move */
1090 int _smir_cost; /* cost of (enter_insert_mode) */
1091 int _rmir_cost; /* cost of (exit_insert_mode) */
1092 int _ip_cost; /* cost of (insert_padding) */
84b24e83 1093 /* used in lib_mvcur.c */
1d102085 1094 char * _address_cursor;
84b24e83 1095 /* used in tty_update.c */
1d102085 1096 int _scrolling; /* 1 if terminal's smart enough to */
84b24e83
EN
1097
1098 /* used in lib_color.c */
1d102085
JL
1099 color_t *_color_table; /* screen's color palette */
1100 int _color_count; /* count of colors in palette */
1101 colorpair_t *_color_pairs; /* screen's color pair list */
1102 int _pair_count; /* count of color pairs */
00d8f3c4 1103 int _pair_limit; /* actual limit of color-pairs */
84b24e83 1104#if NCURSES_EXT_FUNCS
3468e90c 1105 bool _assumed_color; /* use assumed colors */
1d102085
JL
1106 bool _default_color; /* use default colors */
1107 bool _has_sgr_39_49; /* has ECMA default color support */
1108 int _default_fg; /* assumed default foreground */
1109 int _default_bg; /* assumed default background */
00d8f3c4 1110 int _default_pairs; /* count pairs using default color */
84b24e83 1111#endif
1d102085
JL
1112 chtype _ok_attributes; /* valid attributes for terminal */
1113 chtype _xmc_suppress; /* attributes to suppress if xmc */
1114 chtype _xmc_triggers; /* attributes to process if xmc */
1115 chtype * _acs_map; /* the real alternate-charset map */
1116 bool * _screen_acs_map;
1117
84b24e83
EN
1118
1119 /* used in lib_vidattr.c */
1d102085
JL
1120 bool _use_rmso; /* true if we may use 'rmso' */
1121 bool _use_rmul; /* true if we may use 'rmul' */
3468e90c
JM
1122#if USE_ITALIC
1123 bool _use_ritm; /* true if we may use 'ritm' */
1124#endif
1125
1126#if USE_KLIBC_KBD
1127 bool _extended_key; /* true if an extended key */
1128#endif
84b24e83
EN
1129
1130 /*
1131 * These data correspond to the state of the idcok() and idlok()
1132 * functions. A caveat is in order here: the XSI and SVr4
1133 * documentation specify that these functions apply to the window which
1134 * is given as an argument. However, ncurses implements this logic
1135 * only for the newscr/curscr update process, _not_ per-window.
1136 */
1d102085
JL
1137 bool _nc_sp_idlok;
1138 bool _nc_sp_idcok;
84b24e83
EN
1139
1140 /*
1141 * These are the data that support the mouse interface.
1142 */
1d102085 1143 bool _mouse_initialized;
84b24e83 1144 MouseType _mouse_type;
1d102085
JL
1145 int _maxclick;
1146 bool (*_mouse_event) (SCREEN *);
1147 bool (*_mouse_inline)(SCREEN *);
1148 bool (*_mouse_parse) (SCREEN *, int);
1149 void (*_mouse_resume)(SCREEN *);
1150 void (*_mouse_wrap) (SCREEN *);
1151 int _mouse_fd; /* file-descriptor, if any */
1152 bool _mouse_active; /* true if initialized */
3468e90c
JM
1153 mmask_t _mouse_mask; /* set via mousemask() */
1154 mmask_t _mouse_mask2; /* OR's in press/release bits */
1155 mmask_t _mouse_bstate;
1156 MouseFormat _mouse_format; /* type of xterm mouse protocol */
84b24e83 1157 NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
1d102085
JL
1158 MEVENT _mouse_events[EV_MAX]; /* hold the last mouse event seen */
1159 MEVENT *_mouse_eventp; /* next free slot in event queue */
1160
1161#if USE_GPM_SUPPORT
1162 bool _mouse_gpm_loaded;
1163 bool _mouse_gpm_found;
1164#ifdef HAVE_LIBDL
1165 void *_dlopen_gpm;
1166 TYPE_gpm_fd _mouse_gpm_fd;
1167 TYPE_Gpm_Open _mouse_Gpm_Open;
1168 TYPE_Gpm_Close _mouse_Gpm_Close;
1169 TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
1170#endif
1171 Gpm_Connect _mouse_gpm_connect;
1172#endif /* USE_GPM_SUPPORT */
1173
1174#if USE_EMX_MOUSE
1175 int _emxmouse_wfd;
1176 int _emxmouse_thread;
1177 int _emxmouse_activated;
1178 char _emxmouse_buttons[4];
1179#endif
1180
84b24e83
EN
1181#if USE_SYSMOUSE
1182 MEVENT _sysmouse_fifo[FIFO_SIZE];
1183 int _sysmouse_head;
1184 int _sysmouse_tail;
1185 int _sysmouse_char_width; /* character width */
1186 int _sysmouse_char_height; /* character height */
1187 int _sysmouse_old_buttons;
1188 int _sysmouse_new_buttons;
1189#endif
1190
00d8f3c4
JM
1191#ifdef USE_TERM_DRIVER
1192 MEVENT _drv_mouse_fifo[FIFO_SIZE];
1193 int _drv_mouse_head;
1194 int _drv_mouse_tail;
1195 int _drv_mouse_old_buttons;
1196 int _drv_mouse_new_buttons;
1197#endif
84b24e83
EN
1198 /*
1199 * This supports automatic resizing
1200 */
1201#if USE_SIZECHANGE
00d8f3c4 1202 int (*_resize)(NCURSES_SP_DCLx int y, int x);
3468e90c 1203 int (*_ungetch)(SCREEN *, int);
84b24e83
EN
1204#endif
1205
1d102085 1206 /*
84b24e83
EN
1207 * These are data that support the proper handling of the panel stack on an
1208 * per screen basis.
1209 */
1d102085 1210 struct panelhook _panelHook;
84b24e83 1211
1d102085
JL
1212 bool _sig_winch;
1213 SCREEN *_next_screen;
84b24e83
EN
1214
1215 /* hashes for old and new lines */
1216 unsigned long *oldhash, *newhash;
1d102085 1217 HASHMAP *hashtab;
84b24e83 1218 int hashtab_len;
1d102085
JL
1219 int *_oldnum_list;
1220 int _oldnum_size;
84b24e83 1221
00d8f3c4 1222 NCURSES_SP_OUTC _outch; /* output handler if not putc */
1d102085
JL
1223
1224 int _legacy_coding; /* see use_legacy_coding() */
1225
1226#if USE_REENTRANT
1227 char _ttytype[NAMESIZE];
1228 int _ESCDELAY;
1229 int _TABSIZE;
1230 int _LINES;
1231 int _COLS;
1232#ifdef TRACE
1233 long _outchars;
1234 const char *_tputs_trace;
1235#endif
1236#endif
84b24e83 1237
1d102085
JL
1238#ifdef TRACE
1239 char tracechr_buf[40];
1240 char tracemse_buf[TRACEMSE_MAX];
1241#endif
00d8f3c4
JM
1242#ifdef USE_SP_WINDOWLIST
1243 WINDOWLIST* _windowlist;
1244#define WindowList(sp) (sp)->_windowlist
1245#endif
1246 NCURSES_OUTC jump;
1247
1248 ripoff_t rippedoff[N_RIPS];
1249 ripoff_t *rsp;
1250
1d102085
JL
1251 /*
1252 * ncurses/ncursesw are the same up to this point.
1253 */
1254#if USE_WIDEC_SUPPORT
84b24e83
EN
1255 /* recent versions of 'screen' have partially-working support for
1256 * UTF-8, but do not permit ACS at the same time (see tty_update.c).
1257 */
84b24e83 1258 bool _screen_acs_fix;
3468e90c 1259 bool _screen_unicode;
84b24e83 1260#endif
3468e90c
JM
1261
1262 bool _use_tioctl;
84b24e83
EN
1263};
1264
1265extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
1d102085 1266extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
84b24e83
EN
1267
1268 WINDOWLIST {
84b24e83 1269 WINDOWLIST *next;
1d102085 1270 SCREEN *screen; /* screen containing the window */
00d8f3c4 1271 WINDOW win; /* WINDOW_EXT() needs to account for offset */
3468e90c 1272#if NCURSES_WIDECHAR
84b24e83 1273 char addch_work[(MB_LEN_MAX * 9) + 1];
1d102085
JL
1274 unsigned addch_used; /* number of bytes in addch_work[] */
1275 int addch_x; /* x-position for addch_work[] */
1276 int addch_y; /* y-position for addch_work[] */
84b24e83
EN
1277#endif
1278};
1279
00d8f3c4
JM
1280#define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
1281
1282#define SP_PRE_INIT(sp) \
1283 sp->_cursrow = -1; \
1284 sp->_curscol = -1; \
1285 sp->_nl = TRUE; \
1286 sp->_raw = FALSE; \
1287 sp->_cbreak = 0; \
1288 sp->_echo = TRUE; \
1289 sp->_fifohead = -1; \
1290 sp->_endwin = TRUE; \
1291 sp->_cursor = -1; \
1292 WindowList(sp) = 0; \
3468e90c 1293 sp->_outch = NCURSES_OUTC_FUNC; \
00d8f3c4 1294 sp->jump = 0 \
84b24e83 1295
1d102085
JL
1296/* usually in <limits.h> */
1297#ifndef UCHAR_MAX
1298#define UCHAR_MAX 255
1299#endif
1300
84b24e83
EN
1301/* The terminfo source is assumed to be 7-bit ASCII */
1302#define is7bits(c) ((unsigned)(c) < 128)
1303
1d102085
JL
1304/* Checks for isprint() should be done on 8-bit characters (non-wide) */
1305#define is8bits(c) ((unsigned)(c) <= UCHAR_MAX)
1306
84b24e83
EN
1307#ifndef min
1308#define min(a,b) ((a) > (b) ? (b) : (a))
1309#endif
1310
1311#ifndef max
1312#define max(a,b) ((a) < (b) ? (b) : (a))
1313#endif
1314
1315/* usually in <unistd.h> */
1316#ifndef STDIN_FILENO
1317#define STDIN_FILENO 0
1318#endif
1319
1320#ifndef STDOUT_FILENO
1321#define STDOUT_FILENO 1
1322#endif
1323
1324#ifndef STDERR_FILENO
1325#define STDERR_FILENO 2
1326#endif
1327
1328#ifndef EXIT_SUCCESS
1329#define EXIT_SUCCESS 0
1330#endif
1331
1332#ifndef EXIT_FAILURE
1333#define EXIT_FAILURE 1
1334#endif
1335
1336#ifndef R_OK
1337#define R_OK 4 /* Test for read permission. */
1338#endif
1339#ifndef W_OK
1340#define W_OK 2 /* Test for write permission. */
1341#endif
1342#ifndef X_OK
1343#define X_OK 1 /* Test for execute permission. */
1344#endif
1345#ifndef F_OK
1346#define F_OK 0 /* Test for existence. */
1347#endif
1348
1349#if HAVE_FCNTL_H
1350#include <fcntl.h> /* may define O_BINARY */
1351#endif
1352
1353#ifndef O_BINARY
1354#define O_BINARY 0
1355#endif
1356
1357#ifdef TRACE
1d102085
JL
1358#if USE_REENTRANT
1359#define COUNT_OUTCHARS(n) _nc_count_outchars(n);
84b24e83 1360#else
1d102085
JL
1361#define COUNT_OUTCHARS(n) _nc_outchars += (n);
1362#endif
1363#else
1364#define COUNT_OUTCHARS(n) /* nothing */
84b24e83
EN
1365#endif
1366
1d102085
JL
1367#define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
1368
84b24e83 1369#define UChar(c) ((unsigned char)(c))
00d8f3c4 1370#define UShort(c) ((unsigned short)(c))
3468e90c
JM
1371#define ChCharOf(c) ((chtype)(c) & (chtype)A_CHARTEXT)
1372#define ChAttrOf(c) ((chtype)(c) & (chtype)A_ATTRIBUTES)
84b24e83
EN
1373
1374#ifndef MB_LEN_MAX
1375#define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
1376#endif
1377
1378#if USE_WIDEC_SUPPORT /* { */
1d102085
JL
1379#define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
1380
1381#define init_mb(state) memset(&state, 0, sizeof(state))
1382
1383#if NCURSES_EXT_COLORS
1384#define NulColor , 0
1385#else
1386#define NulColor /* nothing */
1387#endif
1388
84b24e83
EN
1389#define NulChar 0,0,0,0 /* FIXME: see CCHARW_MAX */
1390#define CharOf(c) ((c).chars[0])
1391#define AttrOf(c) ((c).attr)
1d102085
JL
1392
1393#define AddAttr(c,a) AttrOf(c) |= ((a) & A_ATTRIBUTES)
1394#define RemAttr(c,a) AttrOf(c) &= ~((a) & A_ATTRIBUTES)
1395#define SetAttr(c,a) AttrOf(c) = ((a) & A_ATTRIBUTES) | WidecExt(c)
1396
1397#define NewChar2(c,a) { a, { c, NulChar } NulColor }
1398#define NewChar(ch) NewChar2(ChCharOf(ch), ChAttrOf(ch))
1399
1400#if CCHARW_MAX == 5
1401#define CharEq(a,b) (((a).attr == (b).attr) \
1402 && (a).chars[0] == (b).chars[0] \
1403 && (a).chars[1] == (b).chars[1] \
1404 && (a).chars[2] == (b).chars[2] \
1405 && (a).chars[3] == (b).chars[3] \
1406 && (a).chars[4] == (b).chars[4] \
1407 if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
1408#else
1409#define CharEq(a,b) (!memcmp(&(a), &(b), sizeof(a)))
1410#endif
1411
1412#define SetChar(ch,c,a) do { \
84b24e83 1413 NCURSES_CH_T *_cp = &ch; \
1d102085 1414 memset(_cp, 0, sizeof(ch)); \
00d8f3c4 1415 _cp->chars[0] = (wchar_t) (c); \
1d102085 1416 _cp->attr = (a); \
00d8f3c4 1417 if_EXT_COLORS(SetPair(ch, PairNumber(a))); \
84b24e83
EN
1418 } while (0)
1419#define CHREF(wch) (&wch)
1420#define CHDEREF(wch) (*wch)
1421#define ARG_CH_T NCURSES_CH_T *
1422#define CARG_CH_T const NCURSES_CH_T *
1423#define PUTC_DATA char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
1424 mbstate_t PUT_st; wchar_t PUTC_ch
1d102085 1425#define PUTC_INIT init_mb (PUT_st)
3468e90c 1426#define PUTC(ch) do { if(!isWidecExt(ch)) { \
84b24e83 1427 if (Charable(ch)) { \
3468e90c 1428 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
1d102085 1429 COUNT_OUTCHARS(1); \
84b24e83 1430 } else { \
1d102085
JL
1431 for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) { \
1432 PUTC_ch = (ch).chars[PUTC_i]; \
1433 if (PUTC_ch == L'\0') \
1434 break; \
3468e90c 1435 PUTC_INIT; \
00d8f3c4
JM
1436 PUTC_n = (int) wcrtomb(PUTC_buf, \
1437 (ch).chars[PUTC_i], &PUT_st); \
1d102085
JL
1438 if (PUTC_n <= 0) { \
1439 if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
3468e90c 1440 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
84b24e83 1441 break; \
3468e90c
JM
1442 } else { \
1443 int PUTC_j; \
1444 for (PUTC_j = 0; PUTC_j < PUTC_n; ++PUTC_j) { \
1445 NCURSES_OUTC_FUNC (NCURSES_SP_ARGx PUTC_buf[PUTC_j]); \
1446 } \
1d102085 1447 } \
1d102085
JL
1448 } \
1449 COUNT_OUTCHARS(PUTC_i); \
84b24e83
EN
1450 } } } while (0)
1451
1d102085
JL
1452#define BLANK NewChar2(' ', WA_NORMAL)
1453#define ZEROS NewChar2('\0', WA_NORMAL)
84b24e83
EN
1454#define ISBLANK(ch) ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1455
1d102085
JL
1456 /*
1457 * Wide characters cannot be represented in the A_CHARTEXT mask of
1458 * attr_t's but an application might have set a narrow character there.
1459 * But even in that case, it would only be a printable character, or
1460 * zero. Otherwise we can use those bits to tell if a cell is the
1461 * first or extension part of a wide character.
1462 */
00d8f3c4 1463#define WidecExt(ch) (int) (AttrOf(ch) & A_CHARTEXT)
1d102085
JL
1464#define isWidecBase(ch) (WidecExt(ch) == 1)
1465#define isWidecExt(ch) (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1466#define SetWidecExt(dst, ext) AttrOf(dst) &= ~A_CHARTEXT, \
00d8f3c4 1467 AttrOf(dst) |= (attr_t) (ext + 1)
1d102085 1468
84b24e83 1469#define if_WIDEC(code) code
3468e90c 1470#define Charable(ch) (((SP_PARM->_legacy_coding) \
1d102085 1471 || (AttrOf(ch) & A_ALTCHARSET) \
3468e90c 1472 || (!isWidecExt(ch))) && \
84b24e83 1473 (ch).chars[1] == L'\0' && \
3468e90c 1474 _nc_is_charable(CharOf(ch)))
84b24e83
EN
1475
1476#define L(ch) L ## ch
1477#else /* }{ */
1478#define CharOf(c) ChCharOf(c)
1479#define AttrOf(c) ChAttrOf(c)
1d102085
JL
1480#define AddAttr(c,a) c |= (a)
1481#define RemAttr(c,a) c &= ~((a) & A_ATTRIBUTES)
1482#define SetAttr(c,a) c = ((c) & ~A_ATTRIBUTES) | (a)
84b24e83 1483#define NewChar(ch) (ch)
1d102085
JL
1484#define NewChar2(c,a) ((c) | (a))
1485#define CharEq(a,b) ((a) == (b))
1486#define SetChar(ch,c,a) ch = (c) | (a)
84b24e83
EN
1487#define CHREF(wch) wch
1488#define CHDEREF(wch) wch
1489#define ARG_CH_T NCURSES_CH_T
1490#define CARG_CH_T NCURSES_CH_T
3468e90c
JM
1491#define PUTC_DATA /* nothing */
1492#define PUTC(ch) NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch)
84b24e83
EN
1493
1494#define BLANK (' '|A_NORMAL)
1d102085 1495#define ZEROS ('\0'|A_NORMAL)
84b24e83
EN
1496#define ISBLANK(ch) (CharOf(ch) == ' ')
1497
1d102085 1498#define isWidecExt(ch) (0)
84b24e83
EN
1499#define if_WIDEC(code) /* nothing */
1500
1501#define L(ch) ch
1502#endif /* } */
1503
1504#define AttrOfD(ch) AttrOf(CHDEREF(ch))
1505#define CharOfD(ch) CharOf(CHDEREF(ch))
1506#define SetChar2(wch,ch) SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1507
1508#define BLANK_ATTR A_NORMAL
1509#define BLANK_TEXT L(' ')
1510
1511#define CHANGED -1
1512
1d102085
JL
1513#define LEGALYX(w, y, x) \
1514 ((w) != 0 && \
1515 ((x) >= 0 && (x) <= (w)->_maxx && \
1516 (y) >= 0 && (y) <= (w)->_maxy))
1517
84b24e83
EN
1518#define CHANGED_CELL(line,col) \
1519 if (line->firstchar == _NOCHANGE) \
3468e90c 1520 line->firstchar = line->lastchar = (NCURSES_SIZE_T) (col); \
84b24e83 1521 else if ((col) < line->firstchar) \
3468e90c 1522 line->firstchar = (NCURSES_SIZE_T) (col); \
84b24e83 1523 else if ((col) > line->lastchar) \
3468e90c 1524 line->lastchar = (NCURSES_SIZE_T) (col)
84b24e83
EN
1525
1526#define CHANGED_RANGE(line,start,end) \
1527 if (line->firstchar == _NOCHANGE \
1528 || line->firstchar > (start)) \
3468e90c 1529 line->firstchar = (NCURSES_SIZE_T) (start); \
84b24e83
EN
1530 if (line->lastchar == _NOCHANGE \
1531 || line->lastchar < (end)) \
3468e90c 1532 line->lastchar = (NCURSES_SIZE_T) (end)
84b24e83
EN
1533
1534#define CHANGED_TO_EOL(line,start,end) \
1535 if (line->firstchar == _NOCHANGE \
1536 || line->firstchar > (start)) \
3468e90c
JM
1537 line->firstchar = (NCURSES_SIZE_T) (start); \
1538 line->lastchar = (NCURSES_SIZE_T) (end)
84b24e83
EN
1539
1540#define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1541
1542#define FreeIfNeeded(p) if ((p) != 0) free(p)
1543
1544/* FreeAndNull() is not a comma-separated expression because some compilers
1545 * do not accept a mixture of void with values.
1546 */
1547#define FreeAndNull(p) free(p); p = 0
1548
1549#include <nc_alloc.h>
1550
3468e90c
JM
1551/*
1552 * Use these for tic/infocmp malloc failures. Generally the ncurses library
1553 * tries to limp along after a failure.
1554 */
1555#define TYPE_MALLOC(type, size, name) \
8d411d7d
SW
1556 do {
1557 name = typeMalloc(type, size); \
1558 if (name == 0) \
1559 _nc_err_abort(MSG_NO_MEMORY) \
1560 } while (0)
3468e90c
JM
1561
1562#define TYPE_REALLOC(type, size, name) \
1563 name = typeRealloc(type, size, name); \
1564 if (name == 0) \
1565 _nc_err_abort(MSG_NO_MEMORY)
1566
1d102085
JL
1567/*
1568 * TTY bit definition for converting tabs to spaces.
1569 */
1570#ifdef TAB3
1571# define OFLAGS_TABS TAB3 /* POSIX specifies TAB3 */
1572#else
1573# ifdef XTABS
1574# define OFLAGS_TABS XTABS /* XTABS is usually the "same" */
1575# else
1576# ifdef OXTABS
1577# define OFLAGS_TABS OXTABS /* the traditional BSD equivalent */
1578# else
1579# define OFLAGS_TABS 0
1580# endif
1581# endif
1582#endif
1583
1584/*
1585 * Standardize/simplify common loops
1586 */
1587#define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
00d8f3c4
JM
1588#define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next
1589#define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p
1d102085 1590
84b24e83
EN
1591/*
1592 * Prefixes for call/return points of library function traces. We use these to
1593 * instrument the public functions so that the traces can be easily transformed
1594 * into regression scripts.
1595 */
1596#define T_CALLED(fmt) "called {" fmt
1597#define T_CREATE(fmt) "create :" fmt
1598#define T_RETURN(fmt) "return }" fmt
1599
1600#ifdef TRACE
1601
1d102085
JL
1602#if USE_REENTRANT
1603#define TPUTS_TRACE(s) _nc_set_tputs_trace(s);
1604#else
1605#define TPUTS_TRACE(s) _nc_tputs_trace = s;
1606#endif
1607
84b24e83
EN
1608#define START_TRACE() \
1609 if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1610 int t = _nc_getenv_num("NCURSES_TRACE"); \
1611 if (t >= 0) \
1612 trace((unsigned) t); \
1613 }
1614
1d102085
JL
1615/*
1616 * Many of the _tracef() calls use static buffers; lock the trace state before
1617 * trying to fill them.
1618 */
1619#if USE_REENTRANT
1620#define USE_TRACEF(mask) _nc_use_tracef(mask)
1621extern NCURSES_EXPORT(int) _nc_use_tracef (unsigned);
1622extern NCURSES_EXPORT(void) _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1623#else
1624#define USE_TRACEF(mask) (_nc_tracing & (mask))
1625#define _nc_locked_tracef _tracef
1626#endif
1627
1628#define TR(n, a) if (USE_TRACEF(n)) _nc_locked_tracef a
84b24e83 1629#define T(a) TR(TRACE_CALLS, a)
3468e90c
JM
1630#define TRACE_RETURN(value,type) return _nc_retrace_##type((type)(value))
1631#define TRACE_RETURN1(value,dst) return _nc_retrace_##dst(value)
00d8f3c4
JM
1632#define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value)
1633#define TRACE_RETURN_SP(value,type) return _nc_retrace_##type(SP_PARM, value)
1634
3468e90c
JM
1635typedef void VoidFunc(void);
1636
1637#define TR_FUNC(value) ((const char*) &(value))
1638#define NonNull(s) ((s) != 0 ? s : "<null>")
84b24e83 1639
1d102085
JL
1640#define returnAttr(code) TRACE_RETURN(code,attr_t)
1641#define returnBits(code) TRACE_RETURN(code,unsigned)
1642#define returnBool(code) TRACE_RETURN(code,bool)
3468e90c
JM
1643#define returnCPtr(code) TRACE_RETURN1(code,cptr)
1644#define returnCVoidPtr(code) TRACE_RETURN1(code,cvoid_ptr)
00d8f3c4
JM
1645#define returnChar(code) TRACE_RETURN(code,char)
1646#define returnChtype(code) TRACE_RETURN(code,chtype)
1d102085 1647#define returnCode(code) TRACE_RETURN(code,int)
00d8f3c4
JM
1648#define returnIntAttr(code) TRACE_RETURN2(code,int,attr_t)
1649#define returnMMask(code) TRACE_RETURN_SP(code,mmask_t)
3468e90c
JM
1650#define returnPtr(code) TRACE_RETURN1(code,ptr)
1651#define returnSP(code) TRACE_RETURN1(code,sp)
1d102085 1652#define returnVoid T((T_RETURN(""))); return
3468e90c
JM
1653#define returnVoidPtr(code) TRACE_RETURN1(code,void_ptr)
1654#define returnWin(code) TRACE_RETURN1(code,win)
84b24e83 1655
3468e90c 1656extern NCURSES_EXPORT(NCURSES_BOOL) _nc_retrace_bool (int);
1d102085 1657extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
84b24e83
EN
1658extern NCURSES_EXPORT(SCREEN *) _nc_retrace_sp (SCREEN *);
1659extern NCURSES_EXPORT(WINDOW *) _nc_retrace_win (WINDOW *);
1660extern NCURSES_EXPORT(attr_t) _nc_retrace_attr_t (attr_t);
1661extern NCURSES_EXPORT(char *) _nc_retrace_ptr (char *);
1662extern NCURSES_EXPORT(char *) _nc_trace_ttymode(TTY *tty);
1663extern NCURSES_EXPORT(char *) _nc_varargs (const char *, va_list);
1664extern NCURSES_EXPORT(chtype) _nc_retrace_chtype (chtype);
1665extern NCURSES_EXPORT(const char *) _nc_altcharset_name(attr_t, chtype);
1d102085 1666extern NCURSES_EXPORT(const char *) _nc_retrace_cptr (const char *);
3468e90c 1667extern NCURSES_EXPORT(char) _nc_retrace_char (int);
84b24e83 1668extern NCURSES_EXPORT(int) _nc_retrace_int (int);
00d8f3c4
JM
1669extern NCURSES_EXPORT(int) _nc_retrace_int_attr_t (attr_t);
1670extern NCURSES_EXPORT(mmask_t) _nc_retrace_mmask_t (SCREEN *, mmask_t);
84b24e83 1671extern NCURSES_EXPORT(unsigned) _nc_retrace_unsigned (unsigned);
1d102085
JL
1672extern NCURSES_EXPORT(void *) _nc_retrace_void_ptr (void *);
1673extern NCURSES_EXPORT(void) _nc_fifo_dump (SCREEN *);
1674
1675#if USE_REENTRANT
1676NCURSES_WRAPPED_VAR(long, _nc_outchars);
1677NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1678#define _nc_outchars NCURSES_PUBLIC_VAR(_nc_outchars())
1679#define _nc_tputs_trace NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1680extern NCURSES_EXPORT(void) _nc_set_tputs_trace (const char *);
1681extern NCURSES_EXPORT(void) _nc_count_outchars (long);
1682#else
84b24e83
EN
1683extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1684extern NCURSES_EXPORT_VAR(long) _nc_outchars;
1d102085
JL
1685#endif
1686
84b24e83
EN
1687extern NCURSES_EXPORT_VAR(unsigned) _nc_tracing;
1688
3468e90c
JM
1689extern NCURSES_EXPORT(char *) _nc_tracebits (void);
1690extern NCURSES_EXPORT(char *) _tracemouse (const MEVENT *);
1691extern NCURSES_EXPORT(void) _tracedump (const char *, WINDOW *);
1692
84b24e83
EN
1693#if USE_WIDEC_SUPPORT
1694extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1695extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
84b24e83
EN
1696#endif
1697
1d102085
JL
1698extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1699extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1700
84b24e83
EN
1701#else /* !TRACE */
1702
1703#define START_TRACE() /* nothing */
1704
1705#define T(a)
1706#define TR(n, a)
1707#define TPUTS_TRACE(s)
1708
1d102085
JL
1709#define returnAttr(code) return code
1710#define returnBits(code) return code
1711#define returnBool(code) return code
1712#define returnCPtr(code) return code
1713#define returnCVoidPtr(code) return code
00d8f3c4
JM
1714#define returnChar(code) return ((char) code)
1715#define returnChtype(code) return code
1d102085 1716#define returnCode(code) return code
00d8f3c4
JM
1717#define returnIntAttr(code) return code
1718#define returnMMask(code) return code
1d102085
JL
1719#define returnPtr(code) return code
1720#define returnSP(code) return code
1721#define returnVoid return
1722#define returnVoidPtr(code) return code
1723#define returnWin(code) return code
84b24e83
EN
1724
1725#endif /* TRACE/!TRACE */
1726
00d8f3c4
JM
1727/*
1728 * Workaround for defective implementation of gcc attribute warn_unused_result
1729 */
1730#if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
1731#define IGNORE_RC(func) errno = (int) func
1732#else
1733#define IGNORE_RC(func) (void) func
1734#endif /* gcc workarounds */
1735
1d102085
JL
1736/*
1737 * Return-codes for tgetent() and friends.
1738 */
1739#define TGETENT_YES 1 /* entry is found */
1740#define TGETENT_NO 0 /* entry is not found */
1741#define TGETENT_ERR -1 /* an error occurred */
1742
84b24e83
EN
1743extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1744extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1745
1d102085 1746#define EMPTY_MODULE(name) \
84b24e83
EN
1747extern NCURSES_EXPORT(void) name (void); \
1748 NCURSES_EXPORT(void) name (void) { }
1749
1750#define ALL_BUT_COLOR ((chtype)~(A_COLOR))
3468e90c
JM
1751#define NONBLANK_ATTR (A_BOLD | A_DIM | A_BLINK | A_ITALIC)
1752#define TPARM_ATTR (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_ALTCHARSET | A_INVIS | A_PROTECT)
1753#define XMC_CONFLICT (A_STANDOUT | A_UNDERLINE | A_REVERSE | A_BLINK | A_DIM | A_BOLD | A_INVIS | A_PROTECT | A_ITALIC)
00d8f3c4 1754#define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress)
84b24e83
EN
1755
1756#define toggle_attr_on(S,at) {\
00d8f3c4
JM
1757 if (PairNumber(at) > 0) {\
1758 (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\
1d102085 1759 } else {\
00d8f3c4 1760 (S) |= (attr_t) (at);\
1d102085 1761 }\
84b24e83
EN
1762 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1763
1764
1765#define toggle_attr_off(S,at) {\
00d8f3c4 1766 if (PairNumber(at) > 0) {\
1d102085 1767 (S) &= ~(at|A_COLOR);\
84b24e83 1768 } else {\
1d102085 1769 (S) &= ~(at);\
84b24e83
EN
1770 }\
1771 TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1772
00d8f3c4 1773#define DelCharCost(sp,count) \
84b24e83 1774 ((parm_dch != 0) \
00d8f3c4 1775 ? sp->_dch_cost \
84b24e83 1776 : ((delete_character != 0) \
00d8f3c4 1777 ? (sp->_dch1_cost * count) \
84b24e83
EN
1778 : INFINITY))
1779
00d8f3c4 1780#define InsCharCost(sp,count) \
84b24e83 1781 ((parm_ich != 0) \
00d8f3c4 1782 ? sp->_ich_cost \
84b24e83 1783 : ((enter_insert_mode && exit_insert_mode) \
00d8f3c4 1784 ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \
84b24e83 1785 : ((insert_character != 0) \
00d8f3c4 1786 ? ((sp->_ich1_cost + sp->_ip_cost) * count) \
84b24e83
EN
1787 : INFINITY)))
1788
1789#if USE_XMC_SUPPORT
00d8f3c4
JM
1790#define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1791 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \
1792 VIDATTR(sp, AttrOf(c), GetPair(c)); \
84b24e83 1793 if (magic_cookie_glitch > 0 \
00d8f3c4 1794 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \
84b24e83
EN
1795 T(("%s @%d before glitch %d,%d", \
1796 __FILE__, __LINE__, \
00d8f3c4
JM
1797 sp->_cursrow, \
1798 sp->_curscol)); \
1799 NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \
84b24e83
EN
1800 } \
1801 }
1802#else
00d8f3c4
JM
1803#define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1804 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1805 }
84b24e83
EN
1806#endif
1807
1808/*
1809 * Macros to make additional parameter to implement wgetch_events()
1810 */
1811#ifdef NCURSES_WGETCH_EVENTS
1812#define EVENTLIST_0th(param) param
1813#define EVENTLIST_1st(param) param
1814#define EVENTLIST_2nd(param) , param
00d8f3c4 1815#define TWAIT_MASK (TW_ANY | TW_EVENT)
84b24e83
EN
1816#else
1817#define EVENTLIST_0th(param) void
1818#define EVENTLIST_1st(param) /* nothing */
1819#define EVENTLIST_2nd(param) /* nothing */
00d8f3c4 1820#define TWAIT_MASK TW_ANY
84b24e83
EN
1821#endif
1822
1823#if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1824
1825#undef toggle_attr_on
1826#define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1827extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1828
1829#undef toggle_attr_off
1830#define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1831extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1832
1833#undef DelCharCost
00d8f3c4 1834#define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count)
84b24e83
EN
1835
1836#undef InsCharCost
00d8f3c4
JM
1837#define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count)
1838
1839extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c);
1840extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c);
84b24e83
EN
1841
1842#undef UpdateAttrs
00d8f3c4
JM
1843#define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c))
1844
1845#if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T)
1846extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c);
1847#else
1848extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c);
1849#endif
1850
1851#if NCURSES_SP_FUNCS
1852extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1853extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1854extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T);
1855#endif /* NCURSES_SP_FUNCS */
84b24e83
EN
1856
1857#else
1858
1859extern NCURSES_EXPORT(void) _nc_expanded (void);
1860
1861#endif
1862
1d102085
JL
1863#if !NCURSES_EXT_FUNCS
1864#define set_escdelay(value) ESCDELAY = value
1865#endif
1866
84b24e83
EN
1867#if !HAVE_GETCWD
1868#define getcwd(buf,len) getwd(buf)
1869#endif
1870
1871/* charable.c */
1872#if USE_WIDEC_SUPPORT
1873extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1874extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1875extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1876#endif
1877
1d102085
JL
1878/* comp_captab.c */
1879typedef struct {
1880 short nte_name; /* offset of name to hash on */
1881 int nte_type; /* BOOLEAN, NUMBER or STRING */
1882 short nte_index; /* index of associated variable in its array */
1883 short nte_link; /* index in table of next hash, or -1 */
1884} name_table_data;
1885
1886typedef struct
1887{
1888 short from;
1889 short to;
1890 short source;
1891} alias_table_data;
1892
84b24e83
EN
1893/* doupdate.c */
1894#if USE_XMC_SUPPORT
1895extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1896#endif
1897
1898/* hardscroll.c */
1899#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1900extern NCURSES_EXPORT(void) _nc_linedump (void);
1901#endif
1902
1903/* lib_acs.c */
00d8f3c4
JM
1904extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1905extern NCURSES_EXPORT(int) _nc_msec_cost (const char *const, int); /* used by 'tack' program */
84b24e83 1906
1d102085 1907/* lib_addch.c */
84b24e83 1908#if USE_WIDEC_SUPPORT
1d102085
JL
1909NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1910#endif
1911
1912/* lib_addstr.c */
00d8f3c4 1913#if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
84b24e83
EN
1914extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1915#endif
1916
1917/* lib_color.c */
1918extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1919
1920/* lib_getch.c */
00d8f3c4 1921extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *));
84b24e83
EN
1922
1923/* lib_insch.c */
00d8f3c4 1924extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype);
84b24e83
EN
1925
1926/* lib_mvcur.c */
1927#define INFINITY 1000000 /* cost: too high to use */
1928
3468e90c
JM
1929extern NCURSES_EXPORT(int) _nc_mvcur(int yold, int xold, int ynew, int xnew);
1930
84b24e83
EN
1931extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1932extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1933extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1934
1935extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1936
1937extern NCURSES_EXPORT(void) _nc_screen_init (void);
1938extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1939extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1940
1941/* lib_mouse.c */
00d8f3c4 1942extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *);
84b24e83
EN
1943
1944/* lib_mvcur.c */
1945#define INFINITY 1000000 /* cost: too high to use */
1946#define BAUDBYTE 9 /* 9 = 7 bits + 1 parity + 1 stop */
1947
1948/* lib_setup.c */
1949extern NCURSES_EXPORT(char *) _nc_get_locale(void);
00d8f3c4
JM
1950extern NCURSES_EXPORT(int) _nc_unicode_locale(void);
1951extern NCURSES_EXPORT(int) _nc_locale_breaks_acs(TERMINAL *);
3468e90c
JM
1952extern NCURSES_EXPORT(int) _nc_setupterm(NCURSES_CONST char *, int, int *, int);
1953extern NCURSES_EXPORT(void) _nc_tinfo_cmdch(TERMINAL *, int);
00d8f3c4
JM
1954
1955/* lib_set_term.c */
1956extern NCURSES_EXPORT(int) _nc_ripoffline(int, int(*)(WINDOW*, int));
1d102085 1957
3468e90c
JM
1958/* lib_setup.c */
1959#define SETUP_FAIL ERR
1960#define ret_error(code, fmt, arg) if (errret) {\
1961 *errret = code;\
1962 returnCode(SETUP_FAIL);\
1963 } else {\
1964 fprintf(stderr, fmt, arg);\
1965 exit(EXIT_FAILURE);\
1966 }
1967
1968#define ret_error1(code, fmt, arg) ret_error(code, "'%s': " fmt, arg)
1969
1970#define ret_error0(code, msg) if (errret) {\
1971 *errret = code;\
1972 returnCode(SETUP_FAIL);\
1973 } else {\
1974 fprintf(stderr, msg);\
1975 exit(EXIT_FAILURE);\
1976 }
1977
1d102085
JL
1978/* lib_tstp.c */
1979#if USE_SIGWINCH
1980extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
1981#else
1982#define _nc_handle_sigwinch(a) /* nothing */
1983#endif
1984
84b24e83
EN
1985/* lib_wacs.c */
1986#if USE_WIDEC_SUPPORT
1987extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1988#endif
1989
1990typedef struct {
1991 char *s_head; /* beginning of the string (may be null) */
1992 char *s_tail; /* end of the string (may be null) */
1993 size_t s_size; /* current remaining size available */
1994 size_t s_init; /* total size available */
1995} string_desc;
1996
1997/* strings.c */
1998extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1999extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
2000extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
2001extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
2002extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
2003
84b24e83
EN
2004#if !HAVE_STRSTR
2005#define strstr _nc_strstr
2006extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
2007#endif
2008
2009/* safe_sprintf.c */
2010extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
2011
2012/* tries.c */
1d102085
JL
2013extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
2014extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
2015extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
2016extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
84b24e83
EN
2017
2018/* elsewhere ... */
1d102085 2019extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *);
1d102085 2020extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *);
00d8f3c4 2021extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void);
84b24e83 2022extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
84b24e83
EN
2023extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
2024extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1d102085
JL
2025extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int);
2026extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *);
3468e90c 2027extern NCURSES_EXPORT(char *) _nc_trace_mmask_t (SCREEN *, mmask_t);
84b24e83
EN
2028extern NCURSES_EXPORT(int) _nc_access (const char *, int);
2029extern NCURSES_EXPORT(int) _nc_baudrate (int);
2030extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
2031extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
3468e90c 2032extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, int);
84b24e83
EN
2033extern NCURSES_EXPORT(int) _nc_ospeed (int);
2034extern NCURSES_EXPORT(int) _nc_outch (int);
3468e90c 2035extern NCURSES_EXPORT(int) _nc_putchar (int);
00d8f3c4
JM
2036extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *);
2037extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *);
1d102085 2038extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
00d8f3c4 2039extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *);
3468e90c 2040extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, int, int);
1d102085 2041extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
3468e90c 2042extern NCURSES_EXPORT(void) _nc_do_color (int, int, int, NCURSES_OUTC);
84b24e83 2043extern NCURSES_EXPORT(void) _nc_flush (void);
00d8f3c4 2044extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN;
1d102085 2045extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *);
84b24e83
EN
2046extern NCURSES_EXPORT(void) _nc_freeall (void);
2047extern NCURSES_EXPORT(void) _nc_hash_map (void);
1d102085 2048extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
84b24e83
EN
2049extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
2050extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
2051extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
2052extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
3468e90c
JM
2053extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, int);
2054extern NCURSES_EXPORT(void) _nc_setenv_num (const char *, int);
2055extern NCURSES_EXPORT(void) _nc_signal_handler (int);
84b24e83 2056extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1d102085
JL
2057extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
2058
2059#if NO_LEAKS
2060extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
2061extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
2062extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
2063extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
3468e90c 2064extern NCURSES_EXPORT(void) _nc_comp_error_leaks(void);
1d102085 2065extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
3468e90c 2066extern NCURSES_EXPORT(void) _nc_db_iterator_leaks(void);
1d102085
JL
2067extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
2068extern NCURSES_EXPORT(void) _nc_names_leaks(void);
2069extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
2070#endif
2071
00d8f3c4 2072#if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1d102085
JL
2073extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
2074extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
3468e90c 2075extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, int const, int const, NCURSES_CH_T);
1d102085
JL
2076#endif
2077
00d8f3c4
JM
2078#if USE_WIDEC_SUPPORT
2079extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *);
2080#endif
2081
2082#if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1d102085
JL
2083extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
2084#endif
84b24e83
EN
2085
2086#if USE_SIZECHANGE
1d102085 2087extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
84b24e83
EN
2088#endif
2089
2090#if HAVE_RESIZETERM
2091extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
2092#else
2093#define _nc_resize_margins(wp) /* nothing */
2094#endif
2095
2096#ifdef NCURSES_WGETCH_EVENTS
2097extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
2098#else
2099#define wgetch_events(win, evl) wgetch(win)
2100#define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
2101#endif
2102
00d8f3c4
JM
2103/*
2104 * Wide-character macros to hide some platform-differences.
2105 */
2106#if USE_WIDEC_SUPPORT
3468e90c
JM
2107
2108#if defined(__MINGW32__)
2109/*
2110 * MinGW has wide-character functions, but they do not work correctly.
2111 */
2112
2113extern int __MINGW_NOTHROW _nc_wctomb(char *, wchar_t);
2114#define wctomb(s,wc) _nc_wctomb(s,wc)
2115#define wcrtomb(s,wc,n) _nc_wctomb(s,wc)
2116
2117extern int __MINGW_NOTHROW _nc_mbtowc(wchar_t *, const char *, size_t);
2118#define mbtowc(pwc,s,n) _nc_mbtowc(pwc,s,n)
2119
2120extern int __MINGW_NOTHROW _nc_mblen(const char *, size_t);
2121#define mblen(s,n) _nc_mblen(s, n)
2122
2123#endif /* __MINGW32__ */
2124
00d8f3c4 2125#if HAVE_MBTOWC && HAVE_MBLEN
3468e90c 2126#define reset_mbytes(state) IGNORE_RC(mblen(NULL, (size_t) 0)), IGNORE_RC(mbtowc(NULL, NULL, (size_t) 0))
00d8f3c4
JM
2127#define count_mbytes(buffer,length,state) mblen(buffer,length)
2128#define check_mbytes(wch,buffer,length,state) \
2129 (int) mbtowc(&wch, buffer, length)
2130#define state_unused
2131#elif HAVE_MBRTOWC && HAVE_MBRLEN
2132#define reset_mbytes(state) init_mb(state)
2133#define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state)
2134#define check_mbytes(wch,buffer,length,state) \
2135 (int) mbrtowc(&wch, buffer, length, &state)
2136#else
2137make an error
2138#endif
3468e90c
JM
2139
2140#endif /* USE_WIDEC_SUPPORT */
00d8f3c4 2141
84b24e83
EN
2142/*
2143 * Not everyone has vsscanf(), but we'd like to use it for scanw().
2144 */
2145#if !HAVE_VSSCANF
2146extern int vsscanf(const char *str, const char *format, va_list __arg);
2147#endif
2148
2149/* scroll indices */
2150extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
2151
2152#define USE_SETBUF_0 0
2153
00d8f3c4 2154#define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout)
84b24e83
EN
2155
2156/*
2157 * On systems with a broken linker, define 'SP' as a function to force the
2158 * linker to pull in the data-only module with 'SP'.
2159 */
00d8f3c4
JM
2160#define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1)
2161
84b24e83
EN
2162#if BROKEN_LINKER
2163#define SP _nc_screen()
2164extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
00d8f3c4
JM
2165extern NCURSES_EXPORT(int) _nc_alloc_screen (void);
2166extern NCURSES_EXPORT(void) _nc_set_screen (SCREEN *);
2167#define CURRENT_SCREEN _nc_screen()
84b24e83
EN
2168#else
2169/* current screen is private data; avoid possible linking conflicts too */
2170extern NCURSES_EXPORT_VAR(SCREEN *) SP;
00d8f3c4
JM
2171#define CURRENT_SCREEN SP
2172#define _nc_alloc_screen() ((SP = _nc_alloc_screen_sp()) != 0)
2173#define _nc_set_screen(sp) SP = sp
2174#endif
2175
2176#if NCURSES_SP_FUNCS
2177#define CURRENT_SCREEN_PRE (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr())
2178#else
2179#define CURRENT_SCREEN_PRE CURRENT_SCREEN
84b24e83
EN
2180#endif
2181
2182/*
2183 * We don't want to use the lines or columns capabilities internally, because
2184 * if the application is running multiple screens under X, it's quite possible
2185 * they could all have type xterm but have different sizes! So...
2186 */
00d8f3c4
JM
2187#define screen_lines(sp) (sp)->_lines
2188#define screen_columns(sp) (sp)->_columns
84b24e83 2189
84b24e83 2190extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
00d8f3c4 2191extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c);
84b24e83
EN
2192
2193/*
2194 * Some constants related to SLK's
2195 */
2196#define MAX_SKEY_OLD 8 /* count of soft keys */
2197#define MAX_SKEY_LEN_OLD 8 /* max length of soft key text */
2198#define MAX_SKEY_PC 12 /* This is what most PC's have */
2199#define MAX_SKEY_LEN_PC 5
2200
2201/* Macro to check whether or not we use a standard format */
2202#define SLK_STDFMT(fmt) (fmt < 3)
2203/* Macro to determine height of label window */
2204#define SLK_LINES(fmt) (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
2205
2206#define MAX_SKEY(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
2207#define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
2208
84b24e83
EN
2209/*
2210 * Common error messages
2211 */
2212#define MSG_NO_MEMORY "Out of memory"
2213#define MSG_NO_INPUTS "Premature EOF"
2214
00d8f3c4
JM
2215extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *);
2216extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *);
2217
2218/* timed_wait flag definitions */
2219#define TW_NONE 0
2220#define TW_INPUT 1
2221#define TW_MOUSE 2
2222#define TW_ANY (TW_INPUT | TW_MOUSE)
2223#define TW_EVENT 4
2224
2225#define SetSafeOutcWrapper(outc) \
2226 SCREEN* sp = CURRENT_SCREEN; \
3468e90c 2227 struct screen outc_wrapper; \
00d8f3c4 2228 if (sp==0) { \
3468e90c 2229 sp = &outc_wrapper; \
00d8f3c4
JM
2230 memset(sp,0,sizeof(struct screen)); \
2231 sp->_outch = _nc_outc_wrapper; \
2232 }\
2233 sp->jump = outc
2234
2235#ifdef USE_TERM_DRIVER
00d8f3c4
JM
2236
2237typedef struct _termInfo
2238{
2239 bool caninit;
2240
2241 bool hascolor;
2242 bool initcolor;
2243 bool canchange;
2244
2245 int tabsize;
2246
2247 int maxcolors;
2248 int maxpairs;
2249 int nocolorvideo;
2250
2251 int numbuttons;
2252 int numlabels;
2253 int labelwidth;
2254 int labelheight;
2255
2256 const color_t* defaultPalette;
2257} TerminalInfo;
2258
2259typedef struct term_driver {
2260 bool isTerminfo;
3468e90c
JM
2261 const char* (*td_name)(struct DriverTCB*);
2262 bool (*td_CanHandle)(struct DriverTCB*, const char*, int*);
2263 void (*td_init)(struct DriverTCB*);
2264 void (*td_release)(struct DriverTCB*);
2265 int (*td_size)(struct DriverTCB*, int* Line, int *Cols);
2266 int (*td_sgmode)(struct DriverTCB*, int setFlag, TTY*);
2267 chtype (*td_conattr)(struct DriverTCB*);
2268 int (*td_hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
2269 int (*td_mode)(struct DriverTCB*, int progFlag, int defFlag);
2270 bool (*td_rescol)(struct DriverTCB*);
2271 bool (*td_rescolors)(struct DriverTCB*);
2272 void (*td_color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int));
2273 int (*td_doBeepOrFlash)(struct DriverTCB*, int);
2274 void (*td_initpair)(struct DriverTCB*, int, int, int);
2275 void (*td_initcolor)(struct DriverTCB*, int, int, int, int);
2276 void (*td_docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int));
2277 void (*td_initmouse)(struct DriverTCB*);
2278 int (*td_testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*));
2279 void (*td_setfilter)(struct DriverTCB*);
2280 void (*td_hwlabel)(struct DriverTCB*, int, char*);
2281 void (*td_hwlabelOnOff)(struct DriverTCB*, int);
2282 int (*td_update)(struct DriverTCB*);
2283 int (*td_defaultcolors)(struct DriverTCB*, int, int);
2284 int (*td_print)(struct DriverTCB*, char*, int);
2285 int (*td_getsize)(struct DriverTCB*, int*, int*);
2286 int (*td_setsize)(struct DriverTCB*, int, int);
2287 void (*td_initacs)(struct DriverTCB*, chtype*, chtype*);
2288 void (*td_scinit)(SCREEN *);
2289 void (*td_scexit)(SCREEN *);
2290 int (*td_twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*));
2291 int (*td_read)(struct DriverTCB*, int*);
2292 int (*td_nap)(struct DriverTCB*, int);
2293 int (*td_kpad)(struct DriverTCB*, int);
2294 int (*td_kyOk)(struct DriverTCB*, int, int);
2295 bool (*td_kyExist)(struct DriverTCB*, int);
2296 int (*td_cursorSet)(struct DriverTCB*, int);
00d8f3c4
JM
2297} TERM_DRIVER;
2298
2299typedef struct DriverTCB
2300{
2301 TERMINAL term; /* needs to be the first Element !!! */
00d8f3c4
JM
2302 TERM_DRIVER* drv; /* The driver for that Terminal */
2303 SCREEN* csp; /* The screen that owns that Terminal */
2304 TerminalInfo info; /* Driver independent core capabilities of the Terminal */
2305 void* prop; /* Driver dependent property storage to be used by the Driver */
2306 long magic;
2307} TERMINAL_CONTROL_BLOCK;
2308
2309#define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff))
2310#define NCDRV_TINFO 0x01
2311#define NCDRV_WINCONSOLE 0x02
2312
2313#define TCBOf(sp) ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp)))
2314#define InfoOf(sp) TCBOf(sp)->info
2315#define CallDriver(sp,method) TCBOf(sp)->drv->method(TCBOf(sp))
2316#define CallDriver_1(sp,method,arg1) TCBOf(sp)->drv->method(TCBOf(sp),arg1)
2317#define CallDriver_2(sp,method,arg1,arg2) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2)
2318#define CallDriver_3(sp,method,arg1,arg2,arg3) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3)
2319#define CallDriver_4(sp,method,arg1,arg2,arg3,arg4) TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4)
2320
2321extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette;
2322extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette;
2323
2324extern NCURSES_EXPORT(int) _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*);
2325extern NCURSES_EXPORT(void) _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *);
2326#endif /* USE_TERM_DRIVER */
2327
2328/*
2329 * Entrypoints which are actually provided in the terminal driver, which would
2330 * be an sp-name otherwise.
2331 */
2332#ifdef USE_TERM_DRIVER
2333#define TINFO_HAS_KEY _nc_tinfo_has_key
2334#define TINFO_DOUPDATE _nc_tinfo_doupdate
2335#define TINFO_MVCUR _nc_tinfo_mvcur
2336extern NCURSES_EXPORT(int) TINFO_HAS_KEY(SCREEN*, int);
2337extern NCURSES_EXPORT(int) TINFO_DOUPDATE(SCREEN *);
2338extern NCURSES_EXPORT(int) TINFO_MVCUR(SCREEN*, int, int, int, int);
2339#else
2340#define TINFO_HAS_KEY NCURSES_SP_NAME(has_key)
2341#define TINFO_DOUPDATE NCURSES_SP_NAME(doupdate)
3468e90c 2342#define TINFO_MVCUR NCURSES_SP_NAME(_nc_mvcur)
00d8f3c4
JM
2343#endif
2344
2345/*
2346 * Entrypoints using an extra parameter with the terminal driver.
2347 */
2348#ifdef USE_TERM_DRIVER
2349extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *);
3468e90c 2350extern NCURSES_EXPORT(int) _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, int);
00d8f3c4
JM
2351#define TINFO_GET_SIZE(sp, tp, lp, cp) \
2352 _nc_get_screensize(sp, tp, lp, cp)
2353#define TINFO_SET_CURTERM(sp, tp) \
2354 NCURSES_SP_NAME(set_curterm)(sp, tp)
2355#define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2356 _nc_setupterm_ex(tpp, name, fd, err, reuse)
2357#else /* !USE_TERM_DRIVER */
2358extern NCURSES_EXPORT(void) _nc_get_screensize(SCREEN *, int *, int *);
2359#define TINFO_GET_SIZE(sp, tp, lp, cp) \
2360 _nc_get_screensize(sp, lp, cp)
2361#define TINFO_SET_CURTERM(sp, tp) \
2362 set_curterm(tp)
2363#define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2364 _nc_setupterm(name, fd, err, reuse)
2365#endif /* !USE_TERM_DRIVER */
2366
2367#ifdef USE_TERM_DRIVER
3468e90c 2368#if defined(USE_WIN32CON_DRIVER)
00d8f3c4
JM
2369#include <nc_mingw.h>
2370extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER;
3468e90c
JM
2371extern NCURSES_EXPORT(int) _nc_mingw_isatty(int fd);
2372extern NCURSES_EXPORT(int) _nc_mingw_isconsole(int fd);
2373extern NCURSES_EXPORT(int) _nc_mingw_console_read(
2374 SCREEN *sp,
2375 HANDLE fd,
2376 int *buf);
2377extern NCURSES_EXPORT(int) _nc_mingw_testmouse(
2378 SCREEN * sp,
2379 HANDLE fd,
2380 int delay);
2381#else
00d8f3c4
JM
2382#endif
2383extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER;
2384#endif
2385
3468e90c
JM
2386#if defined(USE_TERM_DRIVER) && defined(USE_WIN32CON_DRIVER)
2387#define NC_ISATTY(fd) _nc_mingw_isatty(fd)
2388#else
2389#define NC_ISATTY(fd) isatty(fd)
2390#endif
2391
00d8f3c4 2392#ifdef USE_TERM_DRIVER
3468e90c
JM
2393# define IsTermInfo(sp) ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo)))
2394# define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
2395# if defined(USE_WIN32CON_DRIVER)
2396# define IsTermInfoOnConsole(sp) (IsTermInfo(sp)&&_nc_mingw_isconsole(TerminalOf(sp)->Filedes))
2397#else
2398# define IsTermInfoOnConsole(sp) FALSE
2399# endif
00d8f3c4 2400#else
3468e90c
JM
2401# define IsTermInfo(sp) TRUE
2402# define HasTInfoTerminal(sp) (0 != TerminalOf(sp))
2403# define IsTermInfoOnConsole(sp) FALSE
00d8f3c4
JM
2404#endif
2405
00d8f3c4
JM
2406#define IsValidTIScreen(sp) (HasTInfoTerminal(sp))
2407
2408/*
2409 * Exported entrypoints beyond the published API
2410 */
2411#if NCURSES_SP_FUNCS
2412extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*);
2413extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*);
2414extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*);
2415extern NCURSES_EXPORT(int) _nc_outc_wrapper(SCREEN*,int);
2416
2417#if USE_REENTRANT
2418extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*);
2419extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(longname)(SCREEN*);
2420#endif
2421
2422#if NCURSES_EXT_FUNCS
2423extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int);
2424#endif
2425
2426/*
2427 * We put the safe versions of various calls here as they are not published
2428 * part of the API up to now
2429 */
2430extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp);
2431extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int);
2432extern NCURSES_EXPORT(bool) NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*);
2433extern NCURSES_EXPORT(char *) NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list);
2434extern NCURSES_EXPORT(chtype) NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int);
2435extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int);
2436extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*);
2437extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int);
2438extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int);
3468e90c 2439extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_mvcur)(SCREEN*, int, int, int, int);
00d8f3c4 2440extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_outch)(SCREEN*, int);
3468e90c 2441extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putchar)(SCREEN*, int);
00d8f3c4
JM
2442extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*);
2443extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *);
2444extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resetty)(SCREEN*);
2445extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int);
2446extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int));
2447extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_savetty)(SCREEN*);
2448extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*);
2449extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*);
2450extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int);
2451extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*);
3468e90c 2452extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, int, int);
00d8f3c4
JM
2453extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *);
2454extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*);
3468e90c 2455extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, NCURSES_COLOR_T, void *);
00d8f3c4 2456extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int));
3468e90c 2457extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color)(SCREEN*, int, int, int, NCURSES_SP_OUTC);
00d8f3c4
JM
2458extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t);
2459extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_flush)(SCREEN*);
2460extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN;
2461extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_freeall)(SCREEN*);
2462extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_hash_map)(SCREEN*);
2463extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_init_acs)(SCREEN*);
2464extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i);
2465extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*);
2466extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*);
2467extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*);
2468extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_init)(SCREEN*);
2469extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*);
2470extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*);
2471extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot);
2472extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*);
3468e90c 2473extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, int);
00d8f3c4
JM
2474
2475extern NCURSES_EXPORT(void) _nc_cookie_init(SCREEN *sp);
2476
2477#if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
2478extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_linedump)(SCREEN*);
2479#endif
2480
2481#if USE_WIDEC_SUPPORT
2482extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *);
2483#endif
2484
2485#endif /* NCURSES_SP_FUNCS */
2486
2487#if NCURSES_SP_FUNCS
2488
2489#define safe_keyname NCURSES_SP_NAME(keyname)
2490#define safe_unctrl NCURSES_SP_NAME(unctrl)
2491#define safe_ungetch NCURSES_SP_NAME(ungetch)
2492
2493#else
2494
2495#define safe_keyname _nc_keyname
2496#define safe_unctrl _nc_unctrl
2497#define safe_ungetch _nc_ungetch
2498
2499extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int);
2500extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
2501extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype);
2502
2503#endif
2504
3468e90c
JM
2505#ifdef EXP_XTERM_1005
2506NCURSES_EXPORT(int) _nc_conv_to_utf8(unsigned char *, unsigned, unsigned);
2507NCURSES_EXPORT(int) _nc_conv_to_utf32(unsigned *, const char *, unsigned);
2508#endif
2509
84b24e83
EN
2510#ifdef __cplusplus
2511}
2512#endif
2513
00d8f3c4
JM
2514/* *INDENT-ON* */
2515
84b24e83 2516#endif /* CURSES_PRIV_H */