release/src/router/libncurses/ncurses/curses.priv.h

   1 /****************************************************************************
   2  * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
   3  *                                                                          *
   4  * Permission is hereby granted, free of charge, to any person obtaining a  *
   5  * copy of this software and associated documentation files (the            *
   6  * "Software"), to deal in the Software without restriction, including      *
   7  * without limitation the rights to use, copy, modify, merge, publish,      *
   8  * distribute, distribute with modifications, sublicense, and/or sell       *
   9  * copies of the Software, and to permit persons to whom the Software is    *
  10  * furnished to do so, subject to the following conditions:                 *
  11  *                                                                          *
  12  * The above copyright notice and this permission notice shall be included  *
  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22  *                                                                          *
  23  * Except as contained in this notice, the name(s) of the above copyright   *
  24  * holders shall not be used in advertising or otherwise to promote the     *
  25  * sale, use or other dealings in this Software without prior written       *
  26  * authorization.                                                           *
  27  ****************************************************************************/
  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  *     and: Thomas E. Dickey                        1996-on                 *
  33  *     and: Juergen Pfeifer                                                 *
  34  ****************************************************************************/
  35
  36 /*
  37  * $Id: curses.priv.h,v 1.475 2011/01/22 21:10:19 tom Exp $
  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
  48 /* *INDENT-OFF* */
  49
  50 #include <ncurses_dll.h>
  51
  52 #ifdef __cplusplus
  53 extern "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
  64 #include <stddef.h>             /* for offsetof */
  65 #include <stdlib.h>
  66 #include <string.h>
  67 #include <sys/types.h>
  68
  69 #if HAVE_UNISTD_H
  70 #include <unistd.h>
  71 #endif
  72
  73 #if HAVE_SYS_BSDTYPES_H
  74 #include <sys/bsdtypes.h>       /* needed for ISC */
  75 #endif
  76
  77 #if HAVE_LIMITS_H
  78 # include <limits.h>
  79 #elif HAVE_SYS_PARAM_H
  80 # include <sys/param.h>
  81 #endif
  82
  83 #include <assert.h>
  84 #include <stdio.h>
  85
  86 #include <errno.h>
  87
  88 #ifndef PATH_MAX
  89 # if defined(_POSIX_PATH_MAX)
  90 #  define PATH_MAX _POSIX_PATH_MAX
  91 # elif defined(MAXPATHLEN)
  92 #  define PATH_MAX MAXPATHLEN
  93 # else
  94 #  define PATH_MAX 255  /* the Posix minimum path-size */
  95 # endif
  96 #endif
  97
  98 #if DECL_ERRNO
  99 extern int errno;
 100 #endif
 101
 102 /* Some systems have a broken 'select()', but workable 'poll()'.  Use that */
 103 #if HAVE_WORKING_POLL
 104 #define USE_FUNC_POLL 1
 105 #if HAVE_POLL_H
 106 #include <poll.h>
 107 #else
 108 #include <sys/poll.h>
 109 #endif
 110 #else
 111 #define USE_FUNC_POLL 0
 112 #endif
 113
 114 /* include signal.h before curses.h to work-around defect in glibc 2.1.3 */
 115 #include <signal.h>
 116
 117 /* Alessandro Rubini's GPM (general-purpose mouse) */
 118 #if HAVE_LIBGPM && HAVE_GPM_H
 119 #define USE_GPM_SUPPORT 1
 120 #else
 121 #define USE_GPM_SUPPORT 0
 122 #endif
 123
 124 /* QNX mouse support */
 125 #if defined(__QNX__) && !defined(__QNXNTO__)
 126 #define USE_QNX_MOUSE 1
 127 #else
 128 #define USE_QNX_MOUSE 0
 129 #endif
 130
 131 /* EMX mouse support */
 132 #ifdef __EMX__
 133 #define USE_EMX_MOUSE 1
 134 #else
 135 #define USE_EMX_MOUSE 0
 136 #endif
 137
 138 #define DEFAULT_MAXCLICK 166
 139 #define EV_MAX          8       /* size of mouse circular event queue */
 140
 141 /*
 142  * If we don't have signals to support it, don't add a sigwinch handler.
 143  * In any case, resizing is an extended feature.  Use it if we've got it.
 144  */
 145 #if !NCURSES_EXT_FUNCS
 146 #undef HAVE_SIZECHANGE
 147 #define HAVE_SIZECHANGE 0
 148 #endif
 149
 150 #if HAVE_SIZECHANGE && USE_SIGWINCH && defined(SIGWINCH)
 151 #define USE_SIZECHANGE 1
 152 #else
 153 #define USE_SIZECHANGE 0
 154 #undef USE_SIGWINCH
 155 #define USE_SIGWINCH 0
 156 #endif
 157
 158 /*
 159  * If desired, one can configure this, disabling environment variables that
 160  * point to custom terminfo/termcap locations.
 161  */
 162 #ifdef USE_ROOT_ENVIRON
 163 #define use_terminfo_vars() 1
 164 #else
 165 #define use_terminfo_vars() _nc_env_access()
 166 extern NCURSES_EXPORT(int) _nc_env_access (void);
 167 #endif
 168
 169 /*
 170  * Not all platforms have memmove; some have an equivalent bcopy.  (Some may
 171  * have neither).
 172  */
 173 #if USE_OK_BCOPY
 174 #define memmove(d,s,n) bcopy(s,d,n)
 175 #elif USE_MY_MEMMOVE
 176 #define memmove(d,s,n) _nc_memmove(d,s,n)
 177 extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
 178 #endif
 179
 180 /*
 181  * If we have va_copy(), use it for assigning va_list's.
 182  */
 183 #if defined(HAVE___VA_COPY)
 184 #define begin_va_copy(dst,src)  __va_copy(dst, src)
 185 #define end_va_copy(dst)        va_end(dst)
 186 #elif defined(va_copy) || defined(HAVE_VA_COPY)
 187 #define begin_va_copy(dst,src)  va_copy(dst, src)
 188 #define end_va_copy(dst)        va_end(dst)
 189 #else
 190 #define begin_va_copy(dst,src) (dst) = (src)
 191 #define end_va_copy(dst)        /* nothing */
 192 #endif
 193
 194 /*
 195  * Scroll hints are useless when hashmap is used
 196  */
 197 #if !USE_SCROLL_HINTS
 198 #if !USE_HASHMAP
 199 #define USE_SCROLL_HINTS 1
 200 #else
 201 #define USE_SCROLL_HINTS 0
 202 #endif
 203 #endif
 204
 205 #if USE_SCROLL_HINTS
 206 #define if_USE_SCROLL_HINTS(stmt) stmt
 207 #else
 208 #define if_USE_SCROLL_HINTS(stmt) /*nothing*/
 209 #endif
 210
 211 /*
 212  * Options for terminal drivers, etc...
 213  */
 214 #ifdef USE_TERM_DRIVER
 215 #define USE_SP_RIPOFF     1
 216 #define USE_SP_TERMTYPE   1
 217 #define USE_SP_WINDOWLIST 1
 218 #endif
 219
 220 /*
 221  * Note:  ht/cbt expansion flakes out randomly under Linux 1.1.47, but only
 222  * when we're throwing control codes at the screen at high volume.  To see
 223  * this, re-enable USE_HARD_TABS and run worm for a while.  Other systems
 224  * probably don't want to define this either due to uncertainties about tab
 225  * delays and expansion in raw mode.
 226  */
 227
 228 #define TRIES struct tries
 229 typedef TRIES {
 230         TRIES    *child;            /* ptr to child.  NULL if none          */
 231         TRIES    *sibling;          /* ptr to sibling.  NULL if none        */
 232         unsigned char    ch;        /* character at this node               */
 233         unsigned short   value;     /* code of string so far.  0 if none.   */
 234 #undef TRIES
 235 } TRIES;
 236
 237 /*
 238  * Common/troublesome character definitions
 239  */
 240 #define StringOf(ch) {ch, 0}
 241
 242 #define L_BRACE '{'
 243 #define R_BRACE '}'
 244 #define S_QUOTE '\''
 245 #define D_QUOTE '"'
 246
 247 #define VT_ACSC "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~"
 248
 249 /*
 250  * Structure for palette tables
 251  */
 252
 253 typedef struct
 254 {
 255     short red, green, blue;     /* what color_content() returns */
 256     short r, g, b;              /* params to init_color() */
 257     int init;                   /* true if we called init_color() */
 258 }
 259 color_t;
 260
 261 #define MAXCOLUMNS    135
 262 #define MAXLINES      66
 263 #define FIFO_SIZE     MAXCOLUMNS+2  /* for nocbreak mode input */
 264
 265 #define ACS_LEN       128
 266
 267 #define WINDOWLIST struct _win_list
 268
 269 #if USE_WIDEC_SUPPORT
 270 #define _nc_bkgd    _bkgrnd
 271 #else
 272 #undef _XOPEN_SOURCE_EXTENDED
 273 #undef _XPG5
 274 #define _nc_bkgd    _bkgd
 275 #define wgetbkgrnd(win, wch)    *wch = win->_bkgd
 276 #define wbkgrnd     wbkgd
 277 #endif
 278
 279 #undef NCURSES_OPAQUE
 280 #define NCURSES_INTERNALS 1
 281 #define NCURSES_OPAQUE 0
 282
 283 #include <curses.h>     /* we'll use -Ipath directive to get the right one! */
 284
 285 /*
 286  * If curses.h did not expose the SCREEN-functions, then we do not need the
 287  * parameter in the corresponding unextended functions.
 288  */
 289
 290 #define USE_SP_FUNC_SUPPORT     NCURSES_SP_FUNCS
 291 #define USE_EXT_SP_FUNC_SUPPORT (NCURSES_SP_FUNCS && NCURSES_EXT_FUNCS)
 292
 293 #if NCURSES_SP_FUNCS
 294 #define SP_PARM         sp      /* use parameter */
 295 #define NCURSES_SP_ARG          SP_PARM
 296 #define NCURSES_SP_DCL  SCREEN *NCURSES_SP_ARG
 297 #define NCURSES_SP_DCL0 NCURSES_SP_DCL
 298 #define NCURSES_SP_ARGx         NCURSES_SP_ARG,
 299 #define NCURSES_SP_DCLx SCREEN *NCURSES_SP_ARGx
 300 #else
 301 #define SP_PARM         SP      /* use global variable */
 302 #define NCURSES_SP_ARG
 303 #define NCURSES_SP_DCL
 304 #define NCURSES_SP_DCL0 void
 305 #define NCURSES_SP_ARGx
 306 #define NCURSES_SP_DCLx
 307 #endif
 308
 309 #include <nc_panel.h>
 310
 311 #define IsPreScreen(sp)      (((sp) != 0) && sp->_prescreen)
 312 #define HasTerminal(sp)      (((sp) != 0) && (0 != ((sp)->_term)))
 313 #define IsValidScreen(sp)    (HasTerminal(sp) && !IsPreScreen(sp))
 314
 315 #if BROKEN_LINKER || USE_REENTRANT
 316 #define CurTerm              _nc_prescreen._cur_term
 317 #else
 318 #define CurTerm              cur_term
 319 #endif
 320
 321 #if NCURSES_SP_FUNCS
 322 #define TerminalOf(sp)       ((sp) ? ((sp)->_term ? (sp)->_term : CurTerm) : CurTerm)
 323 #else
 324 #define TerminalOf(sp)       CurTerm
 325 #endif
 326
 327 #include <term.h>
 328
 329 /*
 330  * Reduce dependency on cur_term global by using terminfo data from SCREEN's
 331  * pointer to this data.
 332  */
 333 #ifdef USE_SP_TERMTYPE
 334 #undef CUR
 335 #endif
 336
 337 #define SP_TERMTYPE TerminalOf(sp)->type.
 338
 339 #include <term_entry.h>
 340
 341 #include <nc_tparm.h>
 342
 343 /*
 344  * Use these macros internally, to make tracing less verbose.  But leave the
 345  * option for compiling the tracing into the library.
 346  */
 347 #if 1
 348 #define ColorPair(n)            NCURSES_BITS(n, 0)
 349 #define PairNumber(a)           (NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT)))
 350 #else
 351 #define ColorPair(pair)         COLOR_PAIR(pair)
 352 #define PairNumber(attr)        PAIR_NUMBER(attr)
 353 #endif
 354
 355 #define unColor(n)              unColor2(AttrOf(n))
 356 #define unColor2(a)             ((a) & ALL_BUT_COLOR)
 357
 358 /*
 359  * Extended-colors stores the color pair in a separate struct-member than the
 360  * attributes.  But for compatibility, we handle most cases where a program
 361  * written for non-extended colors stores the color in the attributes by
 362  * checking for a color pair in both places.
 363  */
 364 #if NCURSES_EXT_COLORS
 365 #define if_EXT_COLORS(stmt)     stmt
 366 #define SetPair(value,p)        SetPair2((value).ext_color, AttrOf(value), p)
 367 #define SetPair2(c,a,p)         c = (p), \
 368                                 a = (unColor2(a) | (A_COLOR & ColorPair(oldColor(c))))
 369 #define GetPair(value)          GetPair2((value).ext_color, AttrOf(value))
 370 #define GetPair2(c,a)           ((c) ? (c) : PairNumber(a))
 371 #define oldColor(p)             (((p) > 255) ? 255 : (p))
 372 #define GET_WINDOW_PAIR(w)      GetPair2((w)->_color, (w)->_attrs)
 373 #define SET_WINDOW_PAIR(w,p)    (w)->_color = (p)
 374 #define SameAttrOf(a,b)         (AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
 375
 376 #if NCURSES_SP_FUNCS
 377 #define VIDATTR(sp,attr,pair)   NCURSES_SP_NAME(vid_attr)(sp, attr, pair, 0)
 378 #else
 379 #define VIDATTR(sp,attr,pair)   vid_attr(attr, pair, 0)
 380 #endif
 381
 382 #else /* !NCURSES_EXT_COLORS */
 383
 384 #define if_EXT_COLORS(stmt)     /* nothing */
 385 #define SetPair(value,p)        RemAttr(value, A_COLOR), \
 386                                 SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p)))
 387 #define GetPair(value)          PairNumber(AttrOf(value))
 388 #define GET_WINDOW_PAIR(w)      PairNumber(WINDOW_ATTRS(w))
 389 #define SET_WINDOW_PAIR(w,p)    WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
 390                                 WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p))
 391 #define SameAttrOf(a,b)         (AttrOf(a) == AttrOf(b))
 392
 393 #if NCURSES_SP_FUNCS
 394 #define VIDATTR(sp,attr,pair)   NCURSES_SP_NAME(vidattr)(sp, attr)
 395 #else
 396 #define VIDATTR(sp,attr,pair)   vidattr(attr)
 397 #endif
 398
 399 #endif /* NCURSES_EXT_COLORS */
 400
 401 #if NCURSES_NO_PADDING
 402 #define GetNoPadding(sp)        ((sp) ? (sp)->_no_padding : _nc_prescreen._no_padding)
 403 #define SetNoPadding(sp)        _nc_set_no_padding(sp)
 404 extern NCURSES_EXPORT(void)     _nc_set_no_padding(SCREEN *);
 405 #else
 406 #define GetNoPadding(sp)        FALSE
 407 #define SetNoPadding(sp)        /*nothing*/
 408 #endif
 409
 410 #define WINDOW_ATTRS(w)         ((w)->_attrs)
 411
 412 #define SCREEN_ATTRS(s)         (*((s)->_current_attr))
 413 #define GET_SCREEN_PAIR(s)      GetPair(SCREEN_ATTRS(s))
 414 #define SET_SCREEN_PAIR(s,p)    SetPair(SCREEN_ATTRS(s), p)
 415
 416 #if USE_REENTRANT || NCURSES_SP_FUNCS
 417 NCURSES_EXPORT(int *)        _nc_ptr_Lines (SCREEN *);
 418 NCURSES_EXPORT(int *)        _nc_ptr_Cols (SCREEN *);
 419 NCURSES_EXPORT(int *)        _nc_ptr_Tabsize (SCREEN *);
 420 NCURSES_EXPORT(int *)        _nc_ptr_Escdelay (SCREEN *);
 421 #endif
 422
 423 #if USE_REENTRANT
 424
 425 #define ptrLines(sp)         (sp ? &(sp->_LINES) : &(_nc_prescreen._LINES))
 426 #define ptrCols(sp)          (sp ? &(sp->_COLS) : &(_nc_prescreen._COLS))
 427 #define ptrTabsize(sp)       (sp ? &(sp->_TABSIZE) : &(_nc_prescreen._TABSIZE))
 428 #define ptrEscdelay(sp)      (sp ? &(sp->_ESCDELAY) : &(_nc_prescreen._ESCDELAY))
 429
 430 #define SET_LINES(value)     *_nc_ptr_Lines(SP_PARM) = value
 431 #define SET_COLS(value)      *_nc_ptr_Cols(SP_PARM) = value
 432 #define SET_TABSIZE(value)   *_nc_ptr_Tabsize(SP_PARM) = value
 433 #define SET_ESCDELAY(value)  *_nc_ptr_Escdelay(SP_PARM) = value
 434
 435 #else
 436
 437 #define ptrLines(sp)         &LINES
 438 #define ptrCols(sp)          &COLS
 439 #define ptrTabsize(sp)       &TABSIZE
 440 #define ptrEscdelay(sp)      &ESCDELAY
 441
 442 #define SET_LINES(value)     LINES = value
 443 #define SET_COLS(value)      COLS = value
 444 #define SET_TABSIZE(value)   TABSIZE = value
 445 #define SET_ESCDELAY(value)  ESCDELAY = value
 446
 447 #endif
 448
 449 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
 450             __FILE__, __LINE__, \
 451             (unsigned long) (pthread_self()), \
 452             data.__data.__lock, \
 453             data.__data.__count, \
 454             data.__data.__owner, \
 455             data.__data.__kind, \
 456             (data.__data.__nusers > 5) ? " OOPS " : "", \
 457             data.__data.__nusers)
 458 #define TR_GLOBAL_MUTEX(name) TR_MUTEX(_nc_globals.mutex_##name)
 459
 460 #if USE_WEAK_SYMBOLS
 461 #if defined(__GNUC__)
 462 #  if defined __USE_ISOC99
 463 #    define _cat_pragma(exp)    _Pragma(#exp)
 464 #    define _weak_pragma(exp)   _cat_pragma(weak name)
 465 #  else
 466 #    define _weak_pragma(exp)
 467 #  endif
 468 #  define _declare(name)        __extension__ extern __typeof__(name) name
 469 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
 470 #endif
 471 #endif
 472
 473 #ifdef USE_PTHREADS
 474
 475 #if USE_REENTRANT
 476 #include <pthread.h>
 477 extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
 478 extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
 479 extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
 480 extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
 481 extern NCURSES_EXPORT(int) _nc_mutex_unlock(pthread_mutex_t *);
 482 #define _nc_lock_global(name)   _nc_mutex_lock(&_nc_globals.mutex_##name)
 483 #define _nc_try_global(name)    _nc_mutex_trylock(&_nc_globals.mutex_##name)
 484 #define _nc_unlock_global(name) _nc_mutex_unlock(&_nc_globals.mutex_##name)
 485
 486 #else
 487 #error POSIX threads requires --enable-reentrant option
 488 #endif
 489
 490 #ifdef USE_PTHREADS
 491 #  if USE_WEAK_SYMBOLS
 492 weak_symbol(pthread_sigmask);
 493 weak_symbol(pthread_kill);
 494 weak_symbol(pthread_self);
 495 weak_symbol(pthread_equal);
 496 weak_symbol(pthread_mutex_init);
 497 weak_symbol(pthread_mutex_lock);
 498 weak_symbol(pthread_mutex_unlock);
 499 weak_symbol(pthread_mutex_trylock);
 500 weak_symbol(pthread_mutexattr_settype);
 501 weak_symbol(pthread_mutexattr_init);
 502 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
 503 #    undef  sigprocmask
 504 #    define sigprocmask _nc_sigprocmask
 505 #  endif
 506 #endif
 507
 508 #if HAVE_NANOSLEEP
 509 #undef HAVE_NANOSLEEP
 510 #define HAVE_NANOSLEEP 0        /* nanosleep suspends all threads */
 511 #endif
 512
 513 #else /* !USE_PTHREADS */
 514
 515 #if USE_PTHREADS_EINTR
 516 #  if USE_WEAK_SYMBOLS
 517 #include <pthread.h>
 518 weak_symbol(pthread_sigmask);
 519 weak_symbol(pthread_kill);
 520 weak_symbol(pthread_self);
 521 weak_symbol(pthread_equal);
 522 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
 523 #    undef  sigprocmask
 524 #    define sigprocmask _nc_sigprocmask
 525 #  endif
 526 #endif /* USE_PTHREADS_EINTR */
 527
 528 #define _nc_init_pthreads()     /* nothing */
 529 #define _nc_mutex_init(obj)     /* nothing */
 530
 531 #define _nc_lock_global(name)   /* nothing */
 532 #define _nc_try_global(name)    0
 533 #define _nc_unlock_global(name) /* nothing */
 534
 535 #endif /* USE_PTHREADS */
 536
 537 /*
 538  * When using sp-funcs, locks are targeted to SCREEN-level granularity.
 539  * So the locking is done in the non-sp-func (which calls the sp-func) rather
 540  * than in the sp-func itself.
 541  *
 542  * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()".
 543  * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS".
 544  */
 545 #if NCURSES_SP_FUNCS
 546
 547 #define _nc_nonsp_lock_global(name)     /* nothing */
 548 #define _nc_nonsp_try_global(name)    0
 549 #define _nc_nonsp_unlock_global(name)   /* nothing */
 550
 551 #define _nc_sp_lock_global(name)        _nc_lock_global(name)
 552 #define _nc_sp_try_global(name)         _nc_try_global(name)
 553 #define _nc_sp_unlock_global(name)      _nc_unlock_global(name)
 554
 555 #else
 556
 557 #define _nc_nonsp_lock_global(name)     _nc_lock_global(name)
 558 #define _nc_nonsp_try_global(name)      _nc_try_global(name)
 559 #define _nc_nonsp_unlock_global(name)   _nc_unlock_global(name)
 560
 561 #define _nc_sp_lock_global(name)        /* nothing */
 562 #define _nc_sp_try_global(name)    0
 563 #define _nc_sp_unlock_global(name)      /* nothing */
 564
 565 #endif
 566
 567 #if HAVE_GETTIMEOFDAY
 568 # define PRECISE_GETTIME 1
 569 # define TimeType struct timeval
 570 #else
 571 # define PRECISE_GETTIME 0
 572 # define TimeType time_t
 573 #endif
 574
 575 /*
 576  * Definitions for color pairs
 577  */
 578 typedef unsigned colorpair_t;   /* type big enough to store PAIR_OF() */
 579 #define C_SHIFT 9               /* we need more bits than there are colors */
 580 #define C_MASK                  ((1 << C_SHIFT) - 1)
 581 #define PAIR_OF(fg, bg)         (colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
 582 #define FORE_OF(c)              (((c) >> C_SHIFT) & C_MASK)
 583 #define BACK_OF(c)              ((c) & C_MASK)
 584 #define isDefaultColor(c)       ((c) >= COLOR_DEFAULT || (c) < 0)
 585
 586 #define COLOR_DEFAULT           C_MASK
 587
 588 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T))
 589
 590 #undef NCURSES_CH_T             /* this is not a termlib feature */
 591 #define NCURSES_CH_T void       /* ...but we need a pointer in SCREEN */
 592
 593 #endif  /* USE_TERMLIB */
 594
 595 #ifndef USE_TERMLIB
 596 struct ldat
 597 {
 598         NCURSES_CH_T    *text;          /* text of the line */
 599         NCURSES_SIZE_T  firstchar;      /* first changed character in the line */
 600         NCURSES_SIZE_T  lastchar;       /* last changed character in the line */
 601         NCURSES_SIZE_T  oldindex;       /* index of the line at last update */
 602 };
 603 #endif  /* USE_TERMLIB */
 604
 605 typedef enum {
 606         M_XTERM = -1            /* use xterm's mouse tracking? */
 607         ,M_NONE = 0             /* no mouse device */
 608 #if USE_GPM_SUPPORT
 609         ,M_GPM                  /* use GPM */
 610 #endif
 611 #if USE_SYSMOUSE
 612         ,M_SYSMOUSE             /* FreeBSD sysmouse on console */
 613 #endif
 614 #ifdef USE_TERM_DRIVER
 615         ,M_TERM_DRIVER          /* Win32 console, etc */
 616 #endif
 617 } MouseType;
 618
 619 /*
 620  * Structures for scrolling.
 621  */
 622
 623 typedef struct {
 624         unsigned long hashval;
 625         int oldcount, newcount;
 626         int oldindex, newindex;
 627 } HASHMAP;
 628
 629 /*
 630  * Structures for soft labels.
 631  */
 632
 633 struct _SLK;
 634
 635 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
 636
 637 typedef struct
 638 {
 639         char *ent_text;         /* text for the label */
 640         char *form_text;        /* formatted text (left/center/...) */
 641         int ent_x;              /* x coordinate of this field */
 642         char dirty;             /* this label has changed */
 643         char visible;           /* field is visible */
 644 } slk_ent;
 645
 646 typedef struct _SLK {
 647         bool    dirty;          /* all labels have changed */
 648         bool    hidden;         /* soft labels are hidden */
 649         WINDOW  *win;
 650         slk_ent *ent;
 651         short   maxlab;         /* number of available labels */
 652         short   labcnt;         /* number of allocated labels */
 653         short   maxlen;         /* length of labels */
 654         NCURSES_CH_T attr;      /* soft label attribute */
 655 } SLK;
 656
 657 #endif  /* USE_TERMLIB */
 658
 659 typedef struct {
 660         WINDOW *win;            /* the window used in the hook      */
 661         int     line;           /* lines to take, < 0 => from bottom*/
 662         int     (*hook)(WINDOW *, int); /* callback for user        */
 663 } ripoff_t;
 664
 665 #if USE_GPM_SUPPORT
 666 #undef buttons                  /* term.h defines this, and gpm uses it! */
 667 #include <gpm.h>
 668
 669 #ifdef HAVE_LIBDL
 670 /* link dynamically to GPM */
 671 typedef int *TYPE_gpm_fd;
 672 typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
 673 typedef int (*TYPE_Gpm_Close) (void);
 674 typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
 675
 676 #define my_gpm_fd       SP_PARM->_mouse_gpm_fd
 677 #define my_Gpm_Open     SP_PARM->_mouse_Gpm_Open
 678 #define my_Gpm_Close    SP_PARM->_mouse_Gpm_Close
 679 #define my_Gpm_GetEvent SP_PARM->_mouse_Gpm_GetEvent
 680 #else
 681 /* link statically to GPM */
 682 #define my_gpm_fd       &gpm_fd
 683 #define my_Gpm_Open     Gpm_Open
 684 #define my_Gpm_Close    Gpm_Close
 685 #define my_Gpm_GetEvent Gpm_GetEvent
 686 #endif /* HAVE_LIBDL */
 687 #endif /* USE_GPM_SUPPORT */
 688
 689 typedef struct {
 690     long sequence;
 691     bool last_used;
 692     char *fix_sgr0;             /* this holds the filtered sgr0 string */
 693     char *last_bufp;            /* help with fix_sgr0 leak */
 694     TERMINAL *last_term;
 695 } TGETENT_CACHE;
 696
 697 #define TGETENT_MAX 4
 698
 699 /*
 700  * State of tparm().
 701  */
 702 #define STACKSIZE 20
 703
 704 typedef struct {
 705         union {
 706                 int     num;
 707                 char    *str;
 708         } data;
 709         bool num_type;
 710 } STACK_FRAME;
 711
 712 #define NUM_VARS 26
 713
 714 typedef struct {
 715 #ifdef TRACE
 716         const char      *tname;
 717 #endif
 718         const char      *tparam_base;
 719
 720         STACK_FRAME     stack[STACKSIZE];
 721         int             stack_ptr;
 722
 723         char            *out_buff;
 724         size_t          out_size;
 725         size_t          out_used;
 726
 727         char            *fmt_buff;
 728         size_t          fmt_size;
 729
 730         int             dynamic_var[NUM_VARS];
 731         int             static_vars[NUM_VARS];
 732 } TPARM_STATE;
 733
 734 typedef struct {
 735     char *text;
 736     size_t size;
 737 } TRACEBUF;
 738
 739 /*
 740  * The filesystem database normally uses a single-letter for the lower level
 741  * of directories.  Use a hexadecimal code for filesystems which do not
 742  * preserve mixed-case names.
 743  */
 744 #if MIXEDCASE_FILENAMES
 745 #define LEAF_FMT "%c"
 746 #define LEAF_LEN 1
 747 #else
 748 #define LEAF_FMT "%02x"
 749 #define LEAF_LEN 2
 750 #endif
 751
 752 /*
 753  * TRACEMSE_FMT is no longer than 80 columns, there are 5 numbers that
 754  * could at most have 10 digits, and the mask contains no more than 32 bits
 755  * with each bit representing less than 15 characters.  Usually the whole
 756  * string is less than 80 columns, but this buffer size is an absolute
 757  * limit.
 758  */
 759 #define TRACEMSE_MAX    (80 + (5 * 10) + (32 * 15))
 760 #define TRACEMSE_FMT    "id %2d  at (%2d, %2d, %2d) state %4lx = {" /* } */
 761
 762 #ifdef USE_TERM_DRIVER
 763 struct DriverTCB; /* Terminal Control Block forward declaration */
 764 #define INIT_TERM_DRIVER()      _nc_globals.term_driver = _nc_get_driver
 765 #else
 766 #define INIT_TERM_DRIVER()      /* nothing */
 767 #endif
 768
 769 /*
 770  * Global data which is not specific to a screen.
 771  */
 772 typedef struct {
 773         SIG_ATOMIC_T    have_sigwinch;
 774         SIG_ATOMIC_T    cleanup_nested;
 775
 776         bool            init_signals;
 777         bool            init_screen;
 778
 779         const char      *comp_sourcename;
 780         char            *comp_termtype;
 781
 782         bool            have_tic_directory;
 783         bool            keep_tic_directory;
 784         const char      *tic_directory;
 785
 786         char            *dbi_list;
 787         int             dbi_size;
 788
 789         char            *first_name;
 790         char            **keyname_table;
 791
 792         int             slk_format;
 793
 794         char            *safeprint_buf;
 795         size_t          safeprint_used;
 796
 797         TGETENT_CACHE   tgetent_cache[TGETENT_MAX];
 798         int             tgetent_index;
 799         long            tgetent_sequence;
 800
 801 #ifndef USE_SP_WINDOWLIST
 802         WINDOWLIST      *_nc_windowlist;
 803 #define WindowList(sp)  _nc_globals._nc_windowlist
 804 #endif
 805
 806 #if USE_HOME_TERMINFO
 807         char            *home_terminfo;
 808 #endif
 809
 810 #if !USE_SAFE_SPRINTF
 811         int             safeprint_cols;
 812         int             safeprint_rows;
 813 #endif
 814
 815 #ifdef USE_TERM_DRIVER
 816         int             (*term_driver)(struct DriverTCB*, const char*, int*);
 817 #endif
 818
 819 #ifdef TRACE
 820         bool            init_trace;
 821         char            trace_fname[PATH_MAX];
 822         int             trace_level;
 823         FILE            *trace_fp;
 824
 825         char            *tracearg_buf;
 826         size_t          tracearg_used;
 827
 828         TRACEBUF        *tracebuf_ptr;
 829         size_t          tracebuf_used;
 830
 831         char            tracechr_buf[40];
 832
 833         char            *tracedmp_buf;
 834         size_t          tracedmp_used;
 835
 836         unsigned char   *tracetry_buf;
 837         size_t          tracetry_used;
 838
 839         char            traceatr_color_buf[2][80];
 840         int             traceatr_color_sel;
 841         int             traceatr_color_last;
 842 #if !defined(USE_PTHREADS) && USE_REENTRANT
 843         int             nested_tracef;
 844 #endif
 845 #endif  /* TRACE */
 846
 847 #ifdef USE_PTHREADS
 848         pthread_mutex_t mutex_curses;
 849         pthread_mutex_t mutex_tst_tracef;
 850         pthread_mutex_t mutex_tracef;
 851         int             nested_tracef;
 852         int             use_pthreads;
 853 #define _nc_use_pthreads        _nc_globals.use_pthreads
 854 #endif
 855 #if USE_PTHREADS_EINTR
 856         pthread_t       read_thread;            /* The reading thread */
 857 #endif
 858 } NCURSES_GLOBALS;
 859
 860 extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
 861
 862 #define N_RIPS 5
 863
 864 /*
 865  * Global data which can be swept up into a SCREEN when one is created.
 866  * It may be modified before the next SCREEN is created.
 867  */
 868 typedef struct {
 869         bool            use_env;
 870         bool            filter_mode;
 871         attr_t          previous_attr;
 872 #ifndef USE_SP_RIPOFF
 873         ripoff_t        rippedoff[N_RIPS];
 874         ripoff_t        *rsp;
 875 #endif
 876         TPARM_STATE     tparm_state;
 877         TTY             *saved_tty;     /* savetty/resetty information      */
 878 #if NCURSES_NO_PADDING
 879         bool            _no_padding;    /* flag to set if padding disabled  */
 880 #endif
 881         NCURSES_SP_OUTC _outch;         /* output handler if not putc */
 882 #if BROKEN_LINKER || USE_REENTRANT
 883         chtype          *real_acs_map;
 884         int             _LINES;
 885         int             _COLS;
 886         int             _TABSIZE;
 887         int             _ESCDELAY;
 888         TERMINAL        *_cur_term;
 889 #ifdef TRACE
 890         long            _outchars;
 891         const char      *_tputs_trace;
 892 #endif
 893 #endif
 894 } NCURSES_PRESCREEN;
 895
 896 /*
 897  * Use screen-specific ripoff data (for softkeys) rather than global.
 898  */
 899 #ifdef USE_SP_RIPOFF
 900 #define safe_ripoff_sp     (sp)->rsp
 901 #define safe_ripoff_stack  (sp)->rippedoff
 902 #else
 903 #define safe_ripoff_sp     _nc_prescreen.rsp
 904 #define safe_ripoff_stack  _nc_prescreen.rippedoff
 905 #endif
 906
 907 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
 908
 909 /*
 910  * The SCREEN structure.
 911  */
 912
 913 struct screen {
 914         int             _ifd;           /* input file ptr for screen        */
 915         FILE            *_ofp;          /* output file ptr for screen       */
 916         char            *_setbuf;       /* buffered I/O for output          */
 917         bool            _filtered;      /* filter() was called              */
 918         bool            _buffered;      /* setvbuf uses _setbuf data        */
 919         bool            _prescreen;     /* is in prescreen phase            */
 920         bool            _use_env;       /* LINES & COLS from environment?   */
 921         int             _checkfd;       /* filedesc for typeahead check     */
 922         TERMINAL        *_term;         /* terminal type information        */
 923         TTY             _saved_tty;     /* savetty/resetty information      */
 924         NCURSES_SIZE_T  _lines;         /* screen lines                     */
 925         NCURSES_SIZE_T  _columns;       /* screen columns                   */
 926
 927         NCURSES_SIZE_T  _lines_avail;   /* lines available for stdscr       */
 928         NCURSES_SIZE_T  _topstolen;     /* lines stolen from top            */
 929
 930         WINDOW          *_curscr;       /* current screen                   */
 931         WINDOW          *_newscr;       /* virtual screen to be updated to  */
 932         WINDOW          *_stdscr;       /* screen's full-window context     */
 933
 934 #define CurScreen(sp)  (sp)->_curscr
 935 #define NewScreen(sp)  (sp)->_newscr
 936 #define StdScreen(sp)  (sp)->_stdscr
 937
 938         TRIES           *_keytry;       /* "Try" for use with keypad mode   */
 939         TRIES           *_key_ok;       /* Disabled keys via keyok(,FALSE)  */
 940         bool            _tried;         /* keypad mode was initialized      */
 941         bool            _keypad_on;     /* keypad mode is currently on      */
 942
 943         bool            _called_wgetch; /* check for recursion in wgetch()  */
 944         int             _fifo[FIFO_SIZE];       /* input push-back buffer   */
 945         short           _fifohead,      /* head of fifo queue               */
 946                         _fifotail,      /* tail of fifo queue               */
 947                         _fifopeek,      /* where to peek for next char      */
 948                         _fifohold;      /* set if breakout marked           */
 949
 950         int             _endwin;        /* are we out of window mode?       */
 951         NCURSES_CH_T    *_current_attr; /* holds current attributes set     */
 952         int             _coloron;       /* is color enabled?                */
 953         int             _color_defs;    /* are colors modified              */
 954         int             _cursor;        /* visibility of the cursor         */
 955         int             _cursrow;       /* physical cursor row              */
 956         int             _curscol;       /* physical cursor column           */
 957         bool            _notty;         /* true if we cannot switch non-tty */
 958         int             _nl;            /* True if NL -> CR/NL is on        */
 959         int             _raw;           /* True if in raw mode              */
 960         int             _cbreak;        /* 1 if in cbreak mode              */
 961                                         /* > 1 if in halfdelay mode         */
 962         int             _echo;          /* True if echo on                  */
 963         int             _use_meta;      /* use the meta key?                */
 964         struct _SLK     *_slk;          /* ptr to soft key struct / NULL    */
 965         int             slk_format;     /* selected format for this screen  */
 966         /* cursor movement costs; units are 10ths of milliseconds */
 967 #if NCURSES_NO_PADDING
 968         bool            _no_padding;    /* flag to set if padding disabled  */
 969 #endif
 970         int             _char_padding;  /* cost of character put            */
 971         int             _cr_cost;       /* cost of (carriage_return)        */
 972         int             _cup_cost;      /* cost of (cursor_address)         */
 973         int             _home_cost;     /* cost of (cursor_home)            */
 974         int             _ll_cost;       /* cost of (cursor_to_ll)           */
 975 #if USE_HARD_TABS
 976         int             _ht_cost;       /* cost of (tab)                    */
 977         int             _cbt_cost;      /* cost of (backtab)                */
 978 #endif /* USE_HARD_TABS */
 979         int             _cub1_cost;     /* cost of (cursor_left)            */
 980         int             _cuf1_cost;     /* cost of (cursor_right)           */
 981         int             _cud1_cost;     /* cost of (cursor_down)            */
 982         int             _cuu1_cost;     /* cost of (cursor_up)              */
 983         int             _cub_cost;      /* cost of (parm_cursor_left)       */
 984         int             _cuf_cost;      /* cost of (parm_cursor_right)      */
 985         int             _cud_cost;      /* cost of (parm_cursor_down)       */
 986         int             _cuu_cost;      /* cost of (parm_cursor_up)         */
 987         int             _hpa_cost;      /* cost of (column_address)         */
 988         int             _vpa_cost;      /* cost of (row_address)            */
 989         /* used in tty_update.c, must be chars */
 990         int             _ed_cost;       /* cost of (clr_eos)                */
 991         int             _el_cost;       /* cost of (clr_eol)                */
 992         int             _el1_cost;      /* cost of (clr_bol)                */
 993         int             _dch1_cost;     /* cost of (delete_character)       */
 994         int             _ich1_cost;     /* cost of (insert_character)       */
 995         int             _dch_cost;      /* cost of (parm_dch)               */
 996         int             _ich_cost;      /* cost of (parm_ich)               */
 997         int             _ech_cost;      /* cost of (erase_chars)            */
 998         int             _rep_cost;      /* cost of (repeat_char)            */
 999         int             _hpa_ch_cost;   /* cost of (column_address)         */
1000         int             _cup_ch_cost;   /* cost of (cursor_address)         */
1001         int             _cuf_ch_cost;   /* cost of (parm_cursor_right)      */
1002         int             _inline_cost;   /* cost of inline-move              */
1003         int             _smir_cost;     /* cost of (enter_insert_mode)      */
1004         int             _rmir_cost;     /* cost of (exit_insert_mode)       */
1005         int             _ip_cost;       /* cost of (insert_padding)         */
1006         /* used in lib_mvcur.c */
1007         char *          _address_cursor;
1008         /* used in tty_update.c */
1009         int             _scrolling;     /* 1 if terminal's smart enough to  */
1010
1011         /* used in lib_color.c */
1012         color_t         *_color_table;  /* screen's color palette            */
1013         int             _color_count;   /* count of colors in palette        */
1014         colorpair_t     *_color_pairs;  /* screen's color pair list          */
1015         int             _pair_count;    /* count of color pairs              */
1016         int             _pair_limit;    /* actual limit of color-pairs       */
1017 #if NCURSES_EXT_FUNCS
1018         bool            _default_color; /* use default colors                */
1019         bool            _has_sgr_39_49; /* has ECMA default color support    */
1020         int             _default_fg;    /* assumed default foreground        */
1021         int             _default_bg;    /* assumed default background        */
1022         int             _default_pairs; /* count pairs using default color   */
1023 #endif
1024         chtype          _ok_attributes; /* valid attributes for terminal     */
1025         chtype          _xmc_suppress;  /* attributes to suppress if xmc     */
1026         chtype          _xmc_triggers;  /* attributes to process if xmc      */
1027         chtype *        _acs_map;       /* the real alternate-charset map    */
1028         bool *          _screen_acs_map;
1029
1030
1031         /* used in lib_vidattr.c */
1032         bool            _use_rmso;      /* true if we may use 'rmso'         */
1033         bool            _use_rmul;      /* true if we may use 'rmul'         */
1034
1035         /*
1036          * These data correspond to the state of the idcok() and idlok()
1037          * functions.  A caveat is in order here:  the XSI and SVr4
1038          * documentation specify that these functions apply to the window which
1039          * is given as an argument.  However, ncurses implements this logic
1040          * only for the newscr/curscr update process, _not_ per-window.
1041          */
1042         bool            _nc_sp_idlok;
1043         bool            _nc_sp_idcok;
1044
1045         /*
1046          * These are the data that support the mouse interface.
1047          */
1048         bool            _mouse_initialized;
1049         MouseType       _mouse_type;
1050         int             _maxclick;
1051         bool            (*_mouse_event) (SCREEN *);
1052         bool            (*_mouse_inline)(SCREEN *);
1053         bool            (*_mouse_parse) (SCREEN *, int);
1054         void            (*_mouse_resume)(SCREEN *);
1055         void            (*_mouse_wrap)  (SCREEN *);
1056         int             _mouse_fd;      /* file-descriptor, if any */
1057         bool            _mouse_active;  /* true if initialized */
1058         mmask_t         _mouse_mask;
1059         NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
1060         MEVENT          _mouse_events[EV_MAX];  /* hold the last mouse event seen */
1061         MEVENT          *_mouse_eventp; /* next free slot in event queue */
1062
1063 #if USE_GPM_SUPPORT
1064         bool            _mouse_gpm_loaded;
1065         bool            _mouse_gpm_found;
1066 #ifdef HAVE_LIBDL
1067         void            *_dlopen_gpm;
1068         TYPE_gpm_fd     _mouse_gpm_fd;
1069         TYPE_Gpm_Open   _mouse_Gpm_Open;
1070         TYPE_Gpm_Close  _mouse_Gpm_Close;
1071         TYPE_Gpm_GetEvent _mouse_Gpm_GetEvent;
1072 #endif
1073         Gpm_Connect     _mouse_gpm_connect;
1074 #endif /* USE_GPM_SUPPORT */
1075
1076 #if USE_EMX_MOUSE
1077         int             _emxmouse_wfd;
1078         int             _emxmouse_thread;
1079         int             _emxmouse_activated;
1080         char            _emxmouse_buttons[4];
1081 #endif
1082
1083 #if USE_SYSMOUSE
1084         MEVENT          _sysmouse_fifo[FIFO_SIZE];
1085         int             _sysmouse_head;
1086         int             _sysmouse_tail;
1087         int             _sysmouse_char_width;   /* character width */
1088         int             _sysmouse_char_height;  /* character height */
1089         int             _sysmouse_old_buttons;
1090         int             _sysmouse_new_buttons;
1091 #endif
1092
1093 #ifdef USE_TERM_DRIVER
1094         MEVENT          _drv_mouse_fifo[FIFO_SIZE];
1095         int             _drv_mouse_head;
1096         int             _drv_mouse_tail;
1097         int             _drv_mouse_old_buttons;
1098         int             _drv_mouse_new_buttons;
1099 #endif
1100         /*
1101          * This supports automatic resizing
1102          */
1103 #if USE_SIZECHANGE
1104         int             (*_resize)(NCURSES_SP_DCLx int y, int x);
1105 #endif
1106
1107         /*
1108          * These are data that support the proper handling of the panel stack on an
1109          * per screen basis.
1110          */
1111         struct panelhook _panelHook;
1112
1113         bool            _sig_winch;
1114         SCREEN          *_next_screen;
1115
1116         /* hashes for old and new lines */
1117         unsigned long   *oldhash, *newhash;
1118         HASHMAP         *hashtab;
1119         int             hashtab_len;
1120         int             *_oldnum_list;
1121         int             _oldnum_size;
1122
1123         bool            _cleanup;       /* cleanup after int/quit signal */
1124         NCURSES_SP_OUTC _outch;         /* output handler if not putc */
1125
1126         int             _legacy_coding; /* see use_legacy_coding() */
1127
1128 #if USE_REENTRANT
1129         char            _ttytype[NAMESIZE];
1130         int             _ESCDELAY;
1131         int             _TABSIZE;
1132         int             _LINES;
1133         int             _COLS;
1134 #ifdef TRACE
1135         long            _outchars;
1136         const char      *_tputs_trace;
1137 #endif
1138 #endif
1139
1140 #ifdef TRACE
1141         char            tracechr_buf[40];
1142         char            tracemse_buf[TRACEMSE_MAX];
1143 #endif
1144 #ifdef USE_SP_WINDOWLIST
1145         WINDOWLIST*     _windowlist;
1146 #define WindowList(sp)  (sp)->_windowlist
1147 #endif
1148         NCURSES_OUTC    jump;
1149
1150         ripoff_t        rippedoff[N_RIPS];
1151         ripoff_t        *rsp;
1152
1153         /*
1154          * ncurses/ncursesw are the same up to this point.
1155          */
1156 #if USE_WIDEC_SUPPORT
1157         /* recent versions of 'screen' have partially-working support for
1158          * UTF-8, but do not permit ACS at the same time (see tty_update.c).
1159          */
1160         bool            _screen_acs_fix;
1161 #endif
1162 };
1163
1164 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
1165 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
1166
1167         WINDOWLIST {
1168         WINDOWLIST *next;
1169         SCREEN *screen;         /* screen containing the window */
1170         WINDOW  win;            /* WINDOW_EXT() needs to account for offset */
1171 #ifdef NCURSES_WIDECHAR
1172         char addch_work[(MB_LEN_MAX * 9) + 1];
1173         unsigned addch_used;    /* number of bytes in addch_work[] */
1174         int addch_x;            /* x-position for addch_work[] */
1175         int addch_y;            /* y-position for addch_work[] */
1176 #endif
1177 };
1178
1179 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
1180
1181 #define SP_PRE_INIT(sp)                         \
1182     sp->_cursrow = -1;                          \
1183     sp->_curscol = -1;                          \
1184     sp->_nl = TRUE;                             \
1185     sp->_raw = FALSE;                           \
1186     sp->_cbreak = 0;                            \
1187     sp->_echo = TRUE;                           \
1188     sp->_fifohead = -1;                         \
1189     sp->_endwin = TRUE;                         \
1190     sp->_cursor = -1;                           \
1191     WindowList(sp) = 0;                         \
1192     sp->_outch = NCURSES_SP_NAME(_nc_outch);    \
1193     sp->jump = 0                                \
1194
1195 /* usually in <limits.h> */
1196 #ifndef UCHAR_MAX
1197 #define UCHAR_MAX 255
1198 #endif
1199
1200 /* The terminfo source is assumed to be 7-bit ASCII */
1201 #define is7bits(c)      ((unsigned)(c) < 128)
1202
1203 /* Checks for isprint() should be done on 8-bit characters (non-wide) */
1204 #define is8bits(c)      ((unsigned)(c) <= UCHAR_MAX)
1205
1206 #ifndef min
1207 #define min(a,b)        ((a) > (b)  ?  (b)  :  (a))
1208 #endif
1209
1210 #ifndef max
1211 #define max(a,b)        ((a) < (b)  ?  (b)  :  (a))
1212 #endif
1213
1214 /* usually in <unistd.h> */
1215 #ifndef STDIN_FILENO
1216 #define STDIN_FILENO 0
1217 #endif
1218
1219 #ifndef STDOUT_FILENO
1220 #define STDOUT_FILENO 1
1221 #endif
1222
1223 #ifndef STDERR_FILENO
1224 #define STDERR_FILENO 2
1225 #endif
1226
1227 #ifndef EXIT_SUCCESS
1228 #define EXIT_SUCCESS 0
1229 #endif
1230
1231 #ifndef EXIT_FAILURE
1232 #define EXIT_FAILURE 1
1233 #endif
1234
1235 #ifndef R_OK
1236 #define R_OK    4               /* Test for read permission.  */
1237 #endif
1238 #ifndef W_OK
1239 #define W_OK    2               /* Test for write permission.  */
1240 #endif
1241 #ifndef X_OK
1242 #define X_OK    1               /* Test for execute permission.  */
1243 #endif
1244 #ifndef F_OK
1245 #define F_OK    0               /* Test for existence.  */
1246 #endif
1247
1248 #if HAVE_FCNTL_H
1249 #include <fcntl.h>              /* may define O_BINARY  */
1250 #endif
1251
1252 #ifndef O_BINARY
1253 #define O_BINARY 0
1254 #endif
1255
1256 #ifdef TRACE
1257 #if USE_REENTRANT
1258 #define COUNT_OUTCHARS(n) _nc_count_outchars(n);
1259 #else
1260 #define COUNT_OUTCHARS(n) _nc_outchars += (n);
1261 #endif
1262 #else
1263 #define COUNT_OUTCHARS(n) /* nothing */
1264 #endif
1265
1266 #define RESET_OUTCHARS() COUNT_OUTCHARS(-_nc_outchars)
1267
1268 #define UChar(c)        ((unsigned char)(c))
1269 #define UShort(c)       ((unsigned short)(c))
1270 #define ChCharOf(c)     ((c) & (chtype)A_CHARTEXT)
1271 #define ChAttrOf(c)     ((c) & (chtype)A_ATTRIBUTES)
1272
1273 #ifndef MB_LEN_MAX
1274 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
1275 #endif
1276
1277 #if USE_WIDEC_SUPPORT /* { */
1278 #define isEILSEQ(status) (((size_t)status == (size_t)-1) && (errno == EILSEQ))
1279
1280 #define init_mb(state)  memset(&state, 0, sizeof(state))
1281
1282 #if NCURSES_EXT_COLORS
1283 #define NulColor        , 0
1284 #else
1285 #define NulColor        /* nothing */
1286 #endif
1287
1288 #define NulChar         0,0,0,0 /* FIXME: see CCHARW_MAX */
1289 #define CharOf(c)       ((c).chars[0])
1290 #define AttrOf(c)       ((c).attr)
1291
1292 #define AddAttr(c,a)    AttrOf(c) |=  ((a) & A_ATTRIBUTES)
1293 #define RemAttr(c,a)    AttrOf(c) &= ~((a) & A_ATTRIBUTES)
1294 #define SetAttr(c,a)    AttrOf(c) =   ((a) & A_ATTRIBUTES) | WidecExt(c)
1295
1296 #define NewChar2(c,a)   { a, { c, NulChar } NulColor }
1297 #define NewChar(ch)     NewChar2(ChCharOf(ch), ChAttrOf(ch))
1298
1299 #if CCHARW_MAX == 5
1300 #define CharEq(a,b)     (((a).attr == (b).attr) \
1301                        && (a).chars[0] == (b).chars[0] \
1302                        && (a).chars[1] == (b).chars[1] \
1303                        && (a).chars[2] == (b).chars[2] \
1304                        && (a).chars[3] == (b).chars[3] \
1305                        && (a).chars[4] == (b).chars[4] \
1306                         if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
1307 #else
1308 #define CharEq(a,b)     (!memcmp(&(a), &(b), sizeof(a)))
1309 #endif
1310
1311 #define SetChar(ch,c,a) do {                                                        \
1312                             NCURSES_CH_T *_cp = &ch;                                \
1313                             memset(_cp, 0, sizeof(ch));                             \
1314                             _cp->chars[0] = (wchar_t) (c);                          \
1315                             _cp->attr = (a);                                        \
1316                             if_EXT_COLORS(SetPair(ch, PairNumber(a)));              \
1317                         } while (0)
1318 #define CHREF(wch)      (&wch)
1319 #define CHDEREF(wch)    (*wch)
1320 #define ARG_CH_T        NCURSES_CH_T *
1321 #define CARG_CH_T       const NCURSES_CH_T *
1322 #define PUTC_DATA       char PUTC_buf[MB_LEN_MAX]; int PUTC_i, PUTC_n; \
1323                         mbstate_t PUT_st; wchar_t PUTC_ch
1324 #define PUTC_INIT       init_mb (PUT_st)
1325 #define PUTC(ch,b)      do { if(!isWidecExt(ch)) {                                  \
1326                         if (Charable(ch)) {                                         \
1327                             fputc(CharOf(ch), b);                                   \
1328                             COUNT_OUTCHARS(1);                                      \
1329                         } else {                                                    \
1330                             PUTC_INIT;                                              \
1331                             for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {       \
1332                                 PUTC_ch = (ch).chars[PUTC_i];                       \
1333                                 if (PUTC_ch == L'\0')                               \
1334                                     break;                                          \
1335                                 PUTC_n = (int) wcrtomb(PUTC_buf,                    \
1336                                                        (ch).chars[PUTC_i], &PUT_st); \
1337                                 if (PUTC_n <= 0) {                                  \
1338                                     if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
1339                                         putc(PUTC_ch,b);                            \
1340                                     break;                                          \
1341                                 }                                                   \
1342                                 IGNORE_RC(fwrite(PUTC_buf, (unsigned) PUTC_n, 1, b)); \
1343                             }                                                       \
1344                             COUNT_OUTCHARS(PUTC_i);                                 \
1345                         } } } while (0)
1346
1347 #define BLANK           NewChar2(' ', WA_NORMAL)
1348 #define ZEROS           NewChar2('\0', WA_NORMAL)
1349 #define ISBLANK(ch)     ((ch).chars[0] == L' ' && (ch).chars[1] == L'\0')
1350
1351         /*
1352          * Wide characters cannot be represented in the A_CHARTEXT mask of
1353          * attr_t's but an application might have set a narrow character there.
1354          * But even in that case, it would only be a printable character, or
1355          * zero.  Otherwise we can use those bits to tell if a cell is the
1356          * first or extension part of a wide character.
1357          */
1358 #define WidecExt(ch)    (int) (AttrOf(ch) & A_CHARTEXT)
1359 #define isWidecBase(ch) (WidecExt(ch) == 1)
1360 #define isWidecExt(ch)  (WidecExt(ch) > 1 && WidecExt(ch) < 32)
1361 #define SetWidecExt(dst, ext)   AttrOf(dst) &= ~A_CHARTEXT,             \
1362                                 AttrOf(dst) |= (attr_t) (ext + 1)
1363
1364 #define if_WIDEC(code)  code
1365 #define Charable(ch)    ((SP_PARM != 0 && SP_PARM->_legacy_coding)      \
1366                          || (AttrOf(ch) & A_ALTCHARSET)                 \
1367                          || (!isWidecExt(ch) &&                         \
1368                              (ch).chars[1] == L'\0' &&                  \
1369                              _nc_is_charable(CharOf(ch))))
1370
1371 #define L(ch)           L ## ch
1372 #else /* }{ */
1373 #define CharOf(c)       ChCharOf(c)
1374 #define AttrOf(c)       ChAttrOf(c)
1375 #define AddAttr(c,a)    c |= (a)
1376 #define RemAttr(c,a)    c &= ~((a) & A_ATTRIBUTES)
1377 #define SetAttr(c,a)    c = ((c) & ~A_ATTRIBUTES) | (a)
1378 #define NewChar(ch)     (ch)
1379 #define NewChar2(c,a)   ((c) | (a))
1380 #define CharEq(a,b)     ((a) == (b))
1381 #define SetChar(ch,c,a) ch = (c) | (a)
1382 #define CHREF(wch)      wch
1383 #define CHDEREF(wch)    wch
1384 #define ARG_CH_T        NCURSES_CH_T
1385 #define CARG_CH_T       NCURSES_CH_T
1386 #define PUTC_DATA       int data = 0
1387 #define PUTC(ch,b)      do { data = CharOf(ch); putc(data,b); } while (0)
1388
1389 #define BLANK           (' '|A_NORMAL)
1390 #define ZEROS           ('\0'|A_NORMAL)
1391 #define ISBLANK(ch)     (CharOf(ch) == ' ')
1392
1393 #define isWidecExt(ch)  (0)
1394 #define if_WIDEC(code) /* nothing */
1395
1396 #define L(ch)           ch
1397 #endif /* } */
1398
1399 #define AttrOfD(ch)     AttrOf(CHDEREF(ch))
1400 #define CharOfD(ch)     CharOf(CHDEREF(ch))
1401 #define SetChar2(wch,ch)    SetChar(wch,ChCharOf(ch),ChAttrOf(ch))
1402
1403 #define BLANK_ATTR      A_NORMAL
1404 #define BLANK_TEXT      L(' ')
1405
1406 #define CHANGED     -1
1407
1408 #define LEGALYX(w, y, x) \
1409               ((w) != 0 && \
1410                 ((x) >= 0 && (x) <= (w)->_maxx && \
1411                  (y) >= 0 && (y) <= (w)->_maxy))
1412
1413 #define CHANGED_CELL(line,col) \
1414         if (line->firstchar == _NOCHANGE) \
1415                 line->firstchar = line->lastchar = (NCURSES_SIZE_T) col; \
1416         else if ((col) < line->firstchar) \
1417                 line->firstchar = (NCURSES_SIZE_T) col; \
1418         else if ((col) > line->lastchar) \
1419                 line->lastchar = (NCURSES_SIZE_T) col
1420
1421 #define CHANGED_RANGE(line,start,end) \
1422         if (line->firstchar == _NOCHANGE \
1423          || line->firstchar > (start)) \
1424                 line->firstchar = (NCURSES_SIZE_T) start; \
1425         if (line->lastchar == _NOCHANGE \
1426          || line->lastchar < (end)) \
1427                 line->lastchar = (NCURSES_SIZE_T) end
1428
1429 #define CHANGED_TO_EOL(line,start,end) \
1430         if (line->firstchar == _NOCHANGE \
1431          || line->firstchar > (start)) \
1432                 line->firstchar = (NCURSES_SIZE_T) start; \
1433         line->lastchar = (NCURSES_SIZE_T) end
1434
1435 #define SIZEOF(v) (sizeof(v)/sizeof(v[0]))
1436
1437 #define FreeIfNeeded(p)  if ((p) != 0) free(p)
1438
1439 /* FreeAndNull() is not a comma-separated expression because some compilers
1440  * do not accept a mixture of void with values.
1441  */
1442 #define FreeAndNull(p)   free(p); p = 0
1443
1444 #include <nc_alloc.h>
1445
1446 /*
1447  * TTY bit definition for converting tabs to spaces.
1448  */
1449 #ifdef TAB3
1450 # define OFLAGS_TABS TAB3       /* POSIX specifies TAB3 */
1451 #else
1452 # ifdef XTABS
1453 #  define OFLAGS_TABS XTABS     /* XTABS is usually the "same" */
1454 # else
1455 #  ifdef OXTABS
1456 #   define OFLAGS_TABS OXTABS   /* the traditional BSD equivalent */
1457 #  else
1458 #   define OFLAGS_TABS 0
1459 #  endif
1460 # endif
1461 #endif
1462
1463 /*
1464  * Standardize/simplify common loops
1465  */
1466 #define each_screen(p) p = _nc_screen_chain; p != 0; p = (p)->_next_screen
1467 #define each_window(sp,p) p = WindowList(sp); p != 0; p = (p)->next
1468 #define each_ripoff(p) p = safe_ripoff_stack; (p - safe_ripoff_stack) < N_RIPS; ++p
1469
1470 /*
1471  * Prefixes for call/return points of library function traces.  We use these to
1472  * instrument the public functions so that the traces can be easily transformed
1473  * into regression scripts.
1474  */
1475 #define T_CALLED(fmt) "called {" fmt
1476 #define T_CREATE(fmt) "create :" fmt
1477 #define T_RETURN(fmt) "return }" fmt
1478
1479 #ifdef TRACE
1480
1481 #if USE_REENTRANT
1482 #define TPUTS_TRACE(s)  _nc_set_tputs_trace(s);
1483 #else
1484 #define TPUTS_TRACE(s)  _nc_tputs_trace = s;
1485 #endif
1486
1487 #define START_TRACE() \
1488         if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
1489             int t = _nc_getenv_num("NCURSES_TRACE"); \
1490             if (t >= 0) \
1491                 trace((unsigned) t); \
1492         }
1493
1494 /*
1495  * Many of the _tracef() calls use static buffers; lock the trace state before
1496  * trying to fill them.
1497  */
1498 #if USE_REENTRANT
1499 #define USE_TRACEF(mask) _nc_use_tracef(mask)
1500 extern NCURSES_EXPORT(int)      _nc_use_tracef (unsigned);
1501 extern NCURSES_EXPORT(void)     _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE(1,2);
1502 #else
1503 #define USE_TRACEF(mask) (_nc_tracing & (mask))
1504 #define _nc_locked_tracef _tracef
1505 #endif
1506
1507 #define TR(n, a)        if (USE_TRACEF(n)) _nc_locked_tracef a
1508 #define T(a)            TR(TRACE_CALLS, a)
1509 #define TRACE_RETURN(value,type)     return _nc_retrace_##type(value)
1510 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value)
1511 #define TRACE_RETURN_SP(value,type)  return _nc_retrace_##type(SP_PARM, value)
1512
1513 #define NonNull(s)      ((s) != 0 ? s : "<null>")
1514
1515 #define returnAttr(code)        TRACE_RETURN(code,attr_t)
1516 #define returnBits(code)        TRACE_RETURN(code,unsigned)
1517 #define returnBool(code)        TRACE_RETURN(code,bool)
1518 #define returnCPtr(code)        TRACE_RETURN(code,cptr)
1519 #define returnCVoidPtr(code)    TRACE_RETURN(code,cvoid_ptr)
1520 #define returnChar(code)        TRACE_RETURN(code,char)
1521 #define returnChtype(code)      TRACE_RETURN(code,chtype)
1522 #define returnCode(code)        TRACE_RETURN(code,int)
1523 #define returnIntAttr(code)     TRACE_RETURN2(code,int,attr_t)
1524 #define returnMMask(code)       TRACE_RETURN_SP(code,mmask_t)
1525 #define returnPtr(code)         TRACE_RETURN(code,ptr)
1526 #define returnSP(code)          TRACE_RETURN(code,sp)
1527 #define returnVoid              T((T_RETURN(""))); return
1528 #define returnVoidPtr(code)     TRACE_RETURN(code,void_ptr)
1529 #define returnWin(code)         TRACE_RETURN(code,win)
1530
1531 extern NCURSES_EXPORT(NCURSES_BOOL)     _nc_retrace_bool (NCURSES_BOOL);
1532 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
1533 extern NCURSES_EXPORT(SCREEN *)         _nc_retrace_sp (SCREEN *);
1534 extern NCURSES_EXPORT(WINDOW *)         _nc_retrace_win (WINDOW *);
1535 extern NCURSES_EXPORT(attr_t)           _nc_retrace_attr_t (attr_t);
1536 extern NCURSES_EXPORT(char *)           _nc_retrace_ptr (char *);
1537 extern NCURSES_EXPORT(char *)           _nc_trace_ttymode(TTY *tty);
1538 extern NCURSES_EXPORT(char *)           _nc_varargs (const char *, va_list);
1539 extern NCURSES_EXPORT(chtype)           _nc_retrace_chtype (chtype);
1540 extern NCURSES_EXPORT(const char *)     _nc_altcharset_name(attr_t, chtype);
1541 extern NCURSES_EXPORT(const char *)     _nc_retrace_cptr (const char *);
1542 extern NCURSES_EXPORT(char)             _nc_retrace_char (char);
1543 extern NCURSES_EXPORT(int)              _nc_retrace_int (int);
1544 extern NCURSES_EXPORT(int)              _nc_retrace_int_attr_t (attr_t);
1545 extern NCURSES_EXPORT(mmask_t)          _nc_retrace_mmask_t (SCREEN *, mmask_t);
1546 extern NCURSES_EXPORT(unsigned)         _nc_retrace_unsigned (unsigned);
1547 extern NCURSES_EXPORT(void *)           _nc_retrace_void_ptr (void *);
1548 extern NCURSES_EXPORT(void)             _nc_fifo_dump (SCREEN *);
1549
1550 #if USE_REENTRANT
1551 NCURSES_WRAPPED_VAR(long, _nc_outchars);
1552 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
1553 #define _nc_outchars       NCURSES_PUBLIC_VAR(_nc_outchars())
1554 #define _nc_tputs_trace    NCURSES_PUBLIC_VAR(_nc_tputs_trace())
1555 extern NCURSES_EXPORT(void)             _nc_set_tputs_trace (const char *);
1556 extern NCURSES_EXPORT(void)             _nc_count_outchars (long);
1557 #else
1558 extern NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace;
1559 extern NCURSES_EXPORT_VAR(long)         _nc_outchars;
1560 #endif
1561
1562 extern NCURSES_EXPORT_VAR(unsigned)     _nc_tracing;
1563
1564 #if USE_WIDEC_SUPPORT
1565 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
1566 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
1567 #endif
1568
1569 extern NCURSES_EXPORT(const char *) _nc_viscbuf2 (int, const NCURSES_CH_T *, int);
1570 extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
1571
1572 #else /* !TRACE */
1573
1574 #define START_TRACE() /* nothing */
1575
1576 #define T(a)
1577 #define TR(n, a)
1578 #define TPUTS_TRACE(s)
1579
1580 #define returnAttr(code)        return code
1581 #define returnBits(code)        return code
1582 #define returnBool(code)        return code
1583 #define returnCPtr(code)        return code
1584 #define returnCVoidPtr(code)    return code
1585 #define returnChar(code)        return ((char) code)
1586 #define returnChtype(code)      return code
1587 #define returnCode(code)        return code
1588 #define returnIntAttr(code)     return code
1589 #define returnMMask(code)       return code
1590 #define returnPtr(code)         return code
1591 #define returnSP(code)          return code
1592 #define returnVoid              return
1593 #define returnVoidPtr(code)     return code
1594 #define returnWin(code)         return code
1595
1596 #endif /* TRACE/!TRACE */
1597
1598 /*
1599  * Workaround for defective implementation of gcc attribute warn_unused_result
1600  */
1601 #if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
1602 #define IGNORE_RC(func) errno = (int) func
1603 #else
1604 #define IGNORE_RC(func) (void) func
1605 #endif /* gcc workarounds */
1606
1607 /*
1608  * Return-codes for tgetent() and friends.
1609  */
1610 #define TGETENT_YES  1          /* entry is found */
1611 #define TGETENT_NO   0          /* entry is not found */
1612 #define TGETENT_ERR -1          /* an error occurred */
1613
1614 extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
1615 extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
1616
1617 #define EMPTY_MODULE(name) \
1618 extern  NCURSES_EXPORT(void) name (void); \
1619         NCURSES_EXPORT(void) name (void) { }
1620
1621 #define ALL_BUT_COLOR ((chtype)~(A_COLOR))
1622 #define NONBLANK_ATTR (A_NORMAL|A_BOLD|A_DIM|A_BLINK)
1623 #define XMC_CHANGES(c) ((c) & SP_PARM->_xmc_suppress)
1624
1625 #define toggle_attr_on(S,at) {\
1626    if (PairNumber(at) > 0) {\
1627       (S) = ((S) & ALL_BUT_COLOR) | (attr_t) (at);\
1628    } else {\
1629       (S) |= (attr_t) (at);\
1630    }\
1631    TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1632
1633
1634 #define toggle_attr_off(S,at) {\
1635    if (PairNumber(at) > 0) {\
1636       (S) &= ~(at|A_COLOR);\
1637    } else {\
1638       (S) &= ~(at);\
1639    }\
1640    TR(TRACE_ATTRS, ("new attribute is %s", _traceattr((S))));}
1641
1642 #define DelCharCost(sp,count) \
1643                 ((parm_dch != 0) \
1644                 ? sp->_dch_cost \
1645                 : ((delete_character != 0) \
1646                         ? (sp->_dch1_cost * count) \
1647                         : INFINITY))
1648
1649 #define InsCharCost(sp,count) \
1650                 ((parm_ich != 0) \
1651                 ? sp->_ich_cost \
1652                 : ((enter_insert_mode && exit_insert_mode) \
1653                   ? sp->_smir_cost + sp->_rmir_cost + (sp->_ip_cost * count) \
1654                   : ((insert_character != 0) \
1655                     ? ((sp->_ich1_cost + sp->_ip_cost) * count) \
1656                     : INFINITY)))
1657
1658 #if USE_XMC_SUPPORT
1659 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1660                                 attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \
1661                                 VIDATTR(sp, AttrOf(c), GetPair(c)); \
1662                                 if (magic_cookie_glitch > 0 \
1663                                  && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \
1664                                         T(("%s @%d before glitch %d,%d", \
1665                                                 __FILE__, __LINE__, \
1666                                                 sp->_cursrow, \
1667                                                 sp->_curscol)); \
1668                                         NCURSES_SP_NAME(_nc_do_xmc_glitch)(NCURSES_SP_ARGx chg); \
1669                                 } \
1670                         }
1671 #else
1672 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
1673                                     VIDATTR(sp, AttrOf(c), GetPair(c)); \
1674                         }
1675 #endif
1676
1677 /*
1678  * Macros to make additional parameter to implement wgetch_events()
1679  */
1680 #ifdef NCURSES_WGETCH_EVENTS
1681 #define EVENTLIST_0th(param) param
1682 #define EVENTLIST_1st(param) param
1683 #define EVENTLIST_2nd(param) , param
1684 #define TWAIT_MASK (TW_ANY | TW_EVENT)
1685 #else
1686 #define EVENTLIST_0th(param) void
1687 #define EVENTLIST_1st(param) /* nothing */
1688 #define EVENTLIST_2nd(param) /* nothing */
1689 #define TWAIT_MASK TW_ANY
1690 #endif
1691
1692 #if NCURSES_EXPANDED && NCURSES_EXT_FUNCS
1693
1694 #undef  toggle_attr_on
1695 #define toggle_attr_on(S,at) _nc_toggle_attr_on(&(S), at)
1696 extern NCURSES_EXPORT(void) _nc_toggle_attr_on (attr_t *, attr_t);
1697
1698 #undef  toggle_attr_off
1699 #define toggle_attr_off(S,at) _nc_toggle_attr_off(&(S), at)
1700 extern NCURSES_EXPORT(void) _nc_toggle_attr_off (attr_t *, attr_t);
1701
1702 #undef  DelCharCost
1703 #define DelCharCost(sp, count) NCURSES_SP_NAME(_nc_DelCharCost)(NCURSES_SP_ARGx count)
1704
1705 #undef  InsCharCost
1706 #define InsCharCost(sp, count) NCURSES_SP_NAME(_nc_InsCharCost)(NCURSES_SP_ARGx count)
1707
1708 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_DelCharCost) (NCURSES_SP_DCLx int _c);
1709 extern NCURSES_EXPORT(int) NCURSES_SP_NAME(_nc_InsCharCost) (NCURSES_SP_DCLx int _c);
1710
1711 #undef  UpdateAttrs
1712 #define UpdateAttrs(sp,c) NCURSES_SP_NAME(_nc_UpdateAttrs)(NCURSES_SP_ARGx CHREF(c))
1713
1714 #if USE_WIDEC_SUPPORT || defined(NEED_NCURSES_CH_T)
1715 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx CARG_CH_T _c);
1716 #else
1717 extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_UpdateAttrs) (NCURSES_SP_DCLx chtype c);
1718 #endif
1719
1720 #if NCURSES_SP_FUNCS
1721 extern NCURSES_EXPORT(int) _nc_DelCharCost (int);
1722 extern NCURSES_EXPORT(int) _nc_InsCharCost (int);
1723 extern NCURSES_EXPORT(void) _nc_UpdateAttrs (CARG_CH_T);
1724 #endif /* NCURSES_SP_FUNCS */
1725
1726 #else
1727
1728 extern NCURSES_EXPORT(void) _nc_expanded (void);
1729
1730 #endif
1731
1732 #if !NCURSES_EXT_FUNCS
1733 #define set_escdelay(value) ESCDELAY = value
1734 #endif
1735
1736 #if !HAVE_GETCWD
1737 #define getcwd(buf,len) getwd(buf)
1738 #endif
1739
1740 /* charable.c */
1741 #if USE_WIDEC_SUPPORT
1742 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
1743 extern NCURSES_EXPORT(int) _nc_to_char(wint_t);
1744 extern NCURSES_EXPORT(wint_t) _nc_to_widechar(int);
1745 #endif
1746
1747 /* comp_captab.c */
1748 typedef struct {
1749         short   nte_name;       /* offset of name to hash on */
1750         int     nte_type;       /* BOOLEAN, NUMBER or STRING */
1751         short   nte_index;      /* index of associated variable in its array */
1752         short   nte_link;       /* index in table of next hash, or -1 */
1753 } name_table_data;
1754
1755 typedef struct
1756 {
1757         short   from;
1758         short   to;
1759         short   source;
1760 } alias_table_data;
1761
1762 /* doupdate.c */
1763 #if USE_XMC_SUPPORT
1764 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
1765 #endif
1766
1767 /* hardscroll.c */
1768 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
1769 extern NCURSES_EXPORT(void) _nc_linedump (void);
1770 #endif
1771
1772 /* lib_acs.c */
1773 extern NCURSES_EXPORT(void) _nc_init_acs (void); /* corresponds to traditional 'init_acs()' */
1774 extern NCURSES_EXPORT(int)  _nc_msec_cost (const char *const, int);  /* used by 'tack' program */
1775
1776 /* lib_addch.c */
1777 #if USE_WIDEC_SUPPORT
1778 NCURSES_EXPORT(int) _nc_build_wch(WINDOW *win, ARG_CH_T ch);
1779 #endif
1780
1781 /* lib_addstr.c */
1782 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1783 extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
1784 #endif
1785
1786 /* lib_color.c */
1787 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
1788
1789 /* lib_getch.c */
1790 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *));
1791
1792 /* lib_insch.c */
1793 extern NCURSES_EXPORT(int) _nc_insert_ch(SCREEN *, WINDOW *, chtype);
1794
1795 /* lib_mvcur.c */
1796 #define INFINITY        1000000 /* cost: too high to use */
1797
1798 extern NCURSES_EXPORT(void) _nc_mvcur_init (void);
1799 extern NCURSES_EXPORT(void) _nc_mvcur_resume (void);
1800 extern NCURSES_EXPORT(void) _nc_mvcur_wrap (void);
1801
1802 extern NCURSES_EXPORT(int) _nc_scrolln (int, int, int, int);
1803
1804 extern NCURSES_EXPORT(void) _nc_screen_init (void);
1805 extern NCURSES_EXPORT(void) _nc_screen_resume (void);
1806 extern NCURSES_EXPORT(void) _nc_screen_wrap (void);
1807
1808 /* lib_mouse.c */
1809 extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *);
1810
1811 /* lib_mvcur.c */
1812 #define INFINITY        1000000 /* cost: too high to use */
1813 #define BAUDBYTE        9       /* 9 = 7 bits + 1 parity + 1 stop */
1814
1815 /* lib_setup.c */
1816 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
1817 extern NCURSES_EXPORT(int)    _nc_unicode_locale(void);
1818 extern NCURSES_EXPORT(int)    _nc_locale_breaks_acs(TERMINAL *);
1819 extern NCURSES_EXPORT(int)    _nc_setupterm(NCURSES_CONST char *, int, int *, bool);
1820 extern NCURSES_EXPORT(void)   _nc_tinfo_cmdch(TERMINAL *, char);
1821
1822 /* lib_set_term.c */
1823 extern NCURSES_EXPORT(int)    _nc_ripoffline(int, int(*)(WINDOW*, int));
1824
1825 /* lib_tstp.c */
1826 #if USE_SIGWINCH
1827 extern NCURSES_EXPORT(int) _nc_handle_sigwinch(SCREEN *);
1828 #else
1829 #define _nc_handle_sigwinch(a) /* nothing */
1830 #endif
1831
1832 /* lib_wacs.c */
1833 #if USE_WIDEC_SUPPORT
1834 extern NCURSES_EXPORT(void) _nc_init_wacs(void);
1835 #endif
1836
1837 typedef struct {
1838     char *s_head;       /* beginning of the string (may be null) */
1839     char *s_tail;       /* end of the string (may be null) */
1840     size_t s_size;      /* current remaining size available */
1841     size_t s_init;      /* total size available */
1842 } string_desc;
1843
1844 /* strings.c */
1845 extern NCURSES_EXPORT(string_desc *) _nc_str_init (string_desc *, char *, size_t);
1846 extern NCURSES_EXPORT(string_desc *) _nc_str_null (string_desc *, size_t);
1847 extern NCURSES_EXPORT(string_desc *) _nc_str_copy (string_desc *, string_desc *);
1848 extern NCURSES_EXPORT(bool) _nc_safe_strcat (string_desc *, const char *);
1849 extern NCURSES_EXPORT(bool) _nc_safe_strcpy (string_desc *, const char *);
1850
1851 #if !HAVE_STRSTR
1852 #define strstr _nc_strstr
1853 extern NCURSES_EXPORT(char *) _nc_strstr (const char *, const char *);
1854 #endif
1855
1856 /* safe_sprintf.c */
1857 extern NCURSES_EXPORT(char *) _nc_printf_string (const char *, va_list);
1858
1859 /* tries.c */
1860 extern NCURSES_EXPORT(int) _nc_add_to_try (TRIES **, const char *, unsigned);
1861 extern NCURSES_EXPORT(char *) _nc_expand_try (TRIES *, unsigned, int *, size_t);
1862 extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
1863 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
1864
1865 /* elsewhere ... */
1866 extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *);
1867 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *);
1868 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void);
1869 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
1870 extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
1871 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
1872 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int);
1873 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *);
1874 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
1875 extern NCURSES_EXPORT(int) _nc_baudrate (int);
1876 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
1877 extern NCURSES_EXPORT(int) _nc_getenv_num (const char *);
1878 extern NCURSES_EXPORT(int) _nc_keypad (SCREEN *, bool);
1879 extern NCURSES_EXPORT(int) _nc_ospeed (int);
1880 extern NCURSES_EXPORT(int) _nc_outch (int);
1881 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *);
1882 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *);
1883 extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
1884 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, bool, int);
1885 extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *);
1886 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
1887 extern NCURSES_EXPORT(void) _nc_do_color (short, short, bool, NCURSES_OUTC);
1888 extern NCURSES_EXPORT(void) _nc_flush (void);
1889 extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN;
1890 extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *);
1891 extern NCURSES_EXPORT(void) _nc_freeall (void);
1892 extern NCURSES_EXPORT(void) _nc_hash_map (void);
1893 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
1894 extern NCURSES_EXPORT(void) _nc_keep_tic_dir (const char *);
1895 extern NCURSES_EXPORT(void) _nc_make_oldhash (int i);
1896 extern NCURSES_EXPORT(void) _nc_scroll_oldhash (int n, int top, int bot);
1897 extern NCURSES_EXPORT(void) _nc_scroll_optimize (void);
1898 extern NCURSES_EXPORT(void) _nc_set_buffer (FILE *, bool);
1899 extern NCURSES_EXPORT(void) _nc_signal_handler (bool);
1900 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
1901 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
1902
1903 #if NO_LEAKS
1904 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
1905 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
1906 extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
1907 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
1908 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
1909 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
1910 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
1911 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
1912 #endif
1913
1914 #if !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1915 extern NCURSES_EXPORT(NCURSES_CH_T) _nc_render (WINDOW *, NCURSES_CH_T);
1916 extern NCURSES_EXPORT(int) _nc_waddch_nosync (WINDOW *, const NCURSES_CH_T);
1917 extern NCURSES_EXPORT(void) _nc_scroll_window (WINDOW *, int const, NCURSES_SIZE_T const, NCURSES_SIZE_T const, NCURSES_CH_T);
1918 #endif
1919
1920 #if USE_WIDEC_SUPPORT
1921 extern NCURSES_EXPORT(int) _nc_insert_wch(WINDOW *, const cchar_t *);
1922 #endif
1923
1924 #if USE_WIDEC_SUPPORT && !(defined(USE_TERMLIB) || defined(USE_BUILD_CC))
1925 extern NCURSES_EXPORT(size_t) _nc_wcrtomb (char *, wchar_t, mbstate_t *);
1926 #endif
1927
1928 #if USE_SIZECHANGE
1929 extern NCURSES_EXPORT(void) _nc_update_screensize (SCREEN *);
1930 #endif
1931
1932 #if HAVE_RESIZETERM
1933 extern NCURSES_EXPORT(void) _nc_resize_margins (WINDOW *);
1934 #else
1935 #define _nc_resize_margins(wp) /* nothing */
1936 #endif
1937
1938 #ifdef NCURSES_WGETCH_EVENTS
1939 extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
1940 #else
1941 #define wgetch_events(win, evl) wgetch(win)
1942 #define wgetnstr_events(win, str, maxlen, evl) wgetnstr(win, str, maxlen)
1943 #endif
1944
1945 /*
1946  * Wide-character macros to hide some platform-differences.
1947  */
1948 #if USE_WIDEC_SUPPORT
1949 #if HAVE_MBTOWC && HAVE_MBLEN
1950 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, 0)), IGNORE_RC(mbtowc(NULL, NULL, 0))
1951 #define count_mbytes(buffer,length,state) mblen(buffer,length)
1952 #define check_mbytes(wch,buffer,length,state) \
1953         (int) mbtowc(&wch, buffer, length)
1954 #define state_unused
1955 #elif HAVE_MBRTOWC && HAVE_MBRLEN
1956 #define reset_mbytes(state) init_mb(state)
1957 #define count_mbytes(buffer,length,state) mbrlen(buffer,length,&state)
1958 #define check_mbytes(wch,buffer,length,state) \
1959         (int) mbrtowc(&wch, buffer, length, &state)
1960 #else
1961 make an error
1962 #endif
1963 #endif
1964
1965 /*
1966  * Not everyone has vsscanf(), but we'd like to use it for scanw().
1967  */
1968 #if !HAVE_VSSCANF
1969 extern int vsscanf(const char *str, const char *format, va_list __arg);
1970 #endif
1971
1972 /* scroll indices */
1973 extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
1974
1975 #define USE_SETBUF_0 0
1976
1977 #define NC_BUFFERED(sp,flag) NCURSES_SP_NAME(_nc_set_buffer)(NCURSES_SP_ARGx sp->_ofp, flag)
1978
1979 #define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout)
1980
1981 /*
1982  * On systems with a broken linker, define 'SP' as a function to force the
1983  * linker to pull in the data-only module with 'SP'.
1984  */
1985 #define _nc_alloc_screen_sp() typeCalloc(SCREEN, 1)
1986
1987 #if BROKEN_LINKER
1988 #define SP _nc_screen()
1989 extern NCURSES_EXPORT(SCREEN *) _nc_screen (void);
1990 extern NCURSES_EXPORT(int)      _nc_alloc_screen (void);
1991 extern NCURSES_EXPORT(void)     _nc_set_screen (SCREEN *);
1992 #define CURRENT_SCREEN          _nc_screen()
1993 #else
1994 /* current screen is private data; avoid possible linking conflicts too */
1995 extern NCURSES_EXPORT_VAR(SCREEN *) SP;
1996 #define CURRENT_SCREEN SP
1997 #define _nc_alloc_screen()      ((SP = _nc_alloc_screen_sp()) != 0)
1998 #define _nc_set_screen(sp)      SP = sp
1999 #endif
2000
2001 #if NCURSES_SP_FUNCS
2002 #define CURRENT_SCREEN_PRE      (IsPreScreen(CURRENT_SCREEN) ? CURRENT_SCREEN : new_prescr())
2003 #else
2004 #define CURRENT_SCREEN_PRE      CURRENT_SCREEN
2005 #endif
2006
2007 /*
2008  * We don't want to use the lines or columns capabilities internally, because
2009  * if the application is running multiple screens under X, it's quite possible
2010  * they could all have type xterm but have different sizes!  So...
2011  */
2012 #define screen_lines(sp)        (sp)->_lines
2013 #define screen_columns(sp)      (sp)->_columns
2014
2015 extern NCURSES_EXPORT(int) _nc_slk_initialize (WINDOW *, int);
2016 extern NCURSES_EXPORT(int) _nc_format_slks (NCURSES_SP_DCLx int _c);
2017
2018 /*
2019  * Some constants related to SLK's
2020  */
2021 #define MAX_SKEY_OLD       8    /* count of soft keys */
2022 #define MAX_SKEY_LEN_OLD   8    /* max length of soft key text */
2023 #define MAX_SKEY_PC       12    /* This is what most PC's have */
2024 #define MAX_SKEY_LEN_PC    5
2025
2026 /* Macro to check whether or not we use a standard format */
2027 #define SLK_STDFMT(fmt) (fmt < 3)
2028 /* Macro to determine height of label window */
2029 #define SLK_LINES(fmt)  (SLK_STDFMT(fmt) ? 1 : ((fmt) - 2))
2030
2031 #define MAX_SKEY(fmt)     (SLK_STDFMT(fmt)? MAX_SKEY_OLD : MAX_SKEY_PC)
2032 #define MAX_SKEY_LEN(fmt) (SLK_STDFMT(fmt)? MAX_SKEY_LEN_OLD : MAX_SKEY_LEN_PC)
2033
2034 /*
2035  * Common error messages
2036  */
2037 #define MSG_NO_MEMORY "Out of memory"
2038 #define MSG_NO_INPUTS "Premature EOF"
2039
2040 extern NCURSES_EXPORT(int) _nc_set_tty_mode(TTY *);
2041 extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *);
2042
2043 /* timed_wait flag definitions */
2044 #define TW_NONE    0
2045 #define TW_INPUT   1
2046 #define TW_MOUSE   2
2047 #define TW_ANY     (TW_INPUT | TW_MOUSE)
2048 #define TW_EVENT   4
2049
2050 #define SetSafeOutcWrapper(outc)            \
2051     SCREEN* sp = CURRENT_SCREEN;            \
2052     if (sp==0) {                            \
2053         struct screen dummy;                \
2054         sp = &dummy;                        \
2055         memset(sp,0,sizeof(struct screen)); \
2056         sp->_outch = _nc_outc_wrapper;      \
2057     }\
2058     sp->jump = outc
2059
2060 #ifdef USE_TERM_DRIVER
2061 typedef void* TERM_HANDLE;
2062
2063 typedef struct _termInfo
2064 {
2065     bool caninit;
2066
2067     bool hascolor;
2068     bool initcolor;
2069     bool canchange;
2070
2071     int  tabsize;
2072
2073     int  maxcolors;
2074     int  maxpairs;
2075     int  nocolorvideo;
2076
2077     int  numbuttons;
2078     int  numlabels;
2079     int  labelwidth;
2080     int  labelheight;
2081
2082     const color_t* defaultPalette;
2083 } TerminalInfo;
2084
2085 typedef struct term_driver {
2086     bool   isTerminfo;
2087     bool   (*CanHandle)(struct DriverTCB*,const char*,int*);
2088     void   (*init)(struct DriverTCB*);
2089     void   (*release)(struct DriverTCB*);
2090     int    (*size)(struct DriverTCB*, int* Line, int *Cols);
2091     int    (*sgmode)(struct DriverTCB*, bool setFlag, TTY*);
2092     chtype (*conattr)(struct DriverTCB*);
2093     int    (*hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
2094     int    (*mode)(struct DriverTCB*, bool progFlag, bool defFlag);
2095     bool   (*rescol)(struct DriverTCB*);
2096     bool   (*rescolors)(struct DriverTCB*);
2097     void   (*color)(struct DriverTCB*,bool fore, int color, int(*)(SCREEN*,int));
2098     int    (*doBeepOrFlash)(struct DriverTCB*, bool);
2099     void   (*initpair)(struct DriverTCB*,short,short,short);
2100     void   (*initcolor)(struct DriverTCB*,short,short,short,short);
2101     void   (*docolor)(struct DriverTCB*,short,short,bool,int(*)(SCREEN*,int));
2102     void   (*initmouse)(struct DriverTCB*);
2103     int    (*testmouse)(struct DriverTCB*,int);
2104     void   (*setfilter)(struct DriverTCB*);
2105     void   (*hwlabel)(struct DriverTCB*,int,char*);
2106     void   (*hwlabelOnOff)(struct DriverTCB*,bool);
2107     int    (*update)(struct DriverTCB*);
2108     int    (*defaultcolors)(struct DriverTCB*,int,int);
2109     int    (*print)(struct DriverTCB*,char*,int);
2110     int    (*getsize)(struct DriverTCB*,int*,int*);
2111     int    (*setsize)(struct DriverTCB*,int,int);
2112     void   (*initacs)(struct DriverTCB*,chtype*,chtype*);
2113     void   (*scinit)(SCREEN *);
2114     void   (*scexit)(SCREEN *);
2115     int    (*twait)(struct DriverTCB*,int,int,int* EVENTLIST_2nd(_nc_eventlist*));
2116     int    (*read)(struct DriverTCB*,int*);
2117     int    (*nap)(struct DriverTCB*,int);
2118     int    (*kpad)(struct DriverTCB*, bool);
2119     int    (*kyOk)(struct DriverTCB*, int, bool);
2120     bool   (*kyExist)(struct DriverTCB*, int);
2121 } TERM_DRIVER;
2122
2123 typedef struct DriverTCB
2124 {
2125     TERMINAL      term;   /* needs to be the first Element !!! */
2126     TERM_HANDLE   inp;    /* The input handle of the Terminal */
2127     TERM_HANDLE   out;    /* The output handle of the Terminal in shell mode */
2128     TERM_HANDLE   hdl;    /* The output handle of the Terminal in prog  mode */
2129     TERM_DRIVER*  drv;    /* The driver for that Terminal */
2130     SCREEN*       csp;    /* The screen that owns that Terminal */
2131     TerminalInfo  info;   /* Driver independent core capabilities of the Terminal */
2132     void*         prop;   /* Driver dependent property storage to be used by the Driver */
2133     long          magic;
2134 } TERMINAL_CONTROL_BLOCK;
2135
2136 #define NCDRV_MAGIC(id) (0x47110000 | (id&0xffff))
2137 #define NCDRV_TINFO      0x01
2138 #define NCDRV_WINCONSOLE 0x02
2139
2140 #define TCBOf(sp)    ((TERMINAL_CONTROL_BLOCK*)(TerminalOf(sp)))
2141 #define InfoOf(sp)   TCBOf(sp)->info
2142 #define CallDriver(sp,method)                        TCBOf(sp)->drv->method(TCBOf(sp))
2143 #define CallDriver_1(sp,method,arg1)                 TCBOf(sp)->drv->method(TCBOf(sp),arg1)
2144 #define CallDriver_2(sp,method,arg1,arg2)            TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2)
2145 #define CallDriver_3(sp,method,arg1,arg2,arg3)       TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3)
2146 #define CallDriver_4(sp,method,arg1,arg2,arg3,arg4)  TCBOf(sp)->drv->method(TCBOf(sp),arg1,arg2,arg3,arg4)
2147
2148 extern NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette;
2149 extern NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette;
2150
2151 extern NCURSES_EXPORT(int)      _nc_get_driver(TERMINAL_CONTROL_BLOCK*, const char*, int*);
2152 extern NCURSES_EXPORT(void)     _nc_get_screensize_ex(SCREEN *, TERMINAL *, int *, int *);
2153 #endif /* USE_TERM_DRIVER */
2154
2155 /*
2156  * Entrypoints which are actually provided in the terminal driver, which would
2157  * be an sp-name otherwise.
2158  */
2159 #ifdef USE_TERM_DRIVER
2160 #define TINFO_HAS_KEY           _nc_tinfo_has_key
2161 #define TINFO_DOUPDATE          _nc_tinfo_doupdate
2162 #define TINFO_MVCUR             _nc_tinfo_mvcur
2163 extern NCURSES_EXPORT(int)      TINFO_HAS_KEY(SCREEN*, int);
2164 extern NCURSES_EXPORT(int)      TINFO_DOUPDATE(SCREEN *);
2165 extern NCURSES_EXPORT(int)      TINFO_MVCUR(SCREEN*, int, int, int, int);
2166 #else
2167 #define TINFO_HAS_KEY           NCURSES_SP_NAME(has_key)
2168 #define TINFO_DOUPDATE          NCURSES_SP_NAME(doupdate)
2169 #define TINFO_MVCUR             NCURSES_SP_NAME(mvcur)
2170 #endif
2171
2172 /*
2173  * Entrypoints using an extra parameter with the terminal driver.
2174  */
2175 #ifdef USE_TERM_DRIVER
2176 extern NCURSES_EXPORT(void)   _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *);
2177 extern NCURSES_EXPORT(int)    _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, bool);
2178 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2179         _nc_get_screensize(sp, tp, lp, cp)
2180 #define TINFO_SET_CURTERM(sp, tp) \
2181         NCURSES_SP_NAME(set_curterm)(sp, tp)
2182 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2183         _nc_setupterm_ex(tpp, name, fd, err, reuse)
2184 #else /* !USE_TERM_DRIVER */
2185 extern NCURSES_EXPORT(void)   _nc_get_screensize(SCREEN *, int *, int *);
2186 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
2187         _nc_get_screensize(sp, lp, cp)
2188 #define TINFO_SET_CURTERM(sp, tp) \
2189         set_curterm(tp)
2190 #define TINFO_SETUP_TERM(tpp, name, fd, err, reuse) \
2191         _nc_setupterm(name, fd, err, reuse)
2192 #endif /* !USE_TERM_DRIVER */
2193
2194 #ifdef USE_TERM_DRIVER
2195 #ifdef __MINGW32__
2196 #include <nc_mingw.h>
2197 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER;
2198 #endif
2199 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER;
2200 #endif
2201
2202 #ifdef USE_TERM_DRIVER
2203 #define IsTermInfo(sp)       (TCBOf(sp) && ((TCBOf(sp)->drv->isTerminfo)))
2204 #else
2205 #define IsTermInfo(sp)       TRUE
2206 #endif
2207
2208 #define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
2209 #define IsValidTIScreen(sp)  (HasTInfoTerminal(sp))
2210
2211 /*
2212  * Exported entrypoints beyond the published API
2213  */
2214 #if NCURSES_SP_FUNCS
2215 extern NCURSES_EXPORT(WINDOW *) _nc_curscr_of(SCREEN*);
2216 extern NCURSES_EXPORT(WINDOW *) _nc_newscr_of(SCREEN*);
2217 extern NCURSES_EXPORT(WINDOW *) _nc_stdscr_of(SCREEN*);
2218 extern NCURSES_EXPORT(int)      _nc_outc_wrapper(SCREEN*,int);
2219
2220 #if USE_REENTRANT
2221 extern NCURSES_EXPORT(int)       NCURSES_SP_NAME(_nc_TABSIZE)(SCREEN*);
2222 extern NCURSES_EXPORT(char *)    NCURSES_SP_NAME(longname)(SCREEN*);
2223 #endif
2224
2225 #if NCURSES_EXT_FUNCS
2226 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_set_tabsize)(SCREEN*, int);
2227 #endif
2228
2229 /*
2230  * We put the safe versions of various calls here as they are not published
2231  * part of the API up to now
2232  */
2233 extern NCURSES_EXPORT(TERMINAL*) NCURSES_SP_NAME(_nc_get_cur_term) (SCREEN *sp);
2234 extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int, int, int, int);
2235 extern NCURSES_EXPORT(bool)     NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*);
2236 extern NCURSES_EXPORT(char *)   NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list);
2237 extern NCURSES_EXPORT(chtype)   NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int);
2238 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int);
2239 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*);
2240 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int);
2241 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int);
2242 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_outch)(SCREEN*, int);
2243 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*);
2244 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *);
2245 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_resetty)(SCREEN*);
2246 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int);
2247 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int));
2248 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_savetty)(SCREEN*);
2249 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*);
2250 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*);
2251 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int);
2252 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*);
2253 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, bool, int);
2254 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *);
2255 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*);
2256 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, short, void *);
2257 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int));
2258 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_do_color)(SCREEN*, short, short, bool, NCURSES_SP_OUTC);
2259 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t);
2260 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_flush)(SCREEN*);
2261 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_free_and_exit)(SCREEN*, int) GCC_NORETURN;
2262 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_freeall)(SCREEN*);
2263 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_hash_map)(SCREEN*);
2264 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_init_acs)(SCREEN*);
2265 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_make_oldhash)(SCREEN*, int i);
2266 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_mvcur_init)(SCREEN*);
2267 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_mvcur_resume)(SCREEN*);
2268 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_mvcur_wrap)(SCREEN*);
2269 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_screen_init)(SCREEN*);
2270 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_screen_resume)(SCREEN*);
2271 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_screen_wrap)(SCREEN*);
2272 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_scroll_oldhash)(SCREEN*, int n, int top, int bot);
2273 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_scroll_optimize)(SCREEN*);
2274 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_set_buffer)(SCREEN*, FILE *, bool);
2275
2276 extern NCURSES_EXPORT(void)     _nc_cookie_init(SCREEN *sp);
2277
2278 #if defined(TRACE) || defined(SCROLLDEBUG) || defined(HASHDEBUG)
2279 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_linedump)(SCREEN*);
2280 #endif
2281
2282 #if USE_WIDEC_SUPPORT
2283 extern NCURSES_EXPORT(wchar_t *) NCURSES_SP_NAME(_nc_wunctrl)(SCREEN*, cchar_t *);
2284 #endif
2285
2286 #endif /* NCURSES_SP_FUNCS */
2287
2288 #if NCURSES_SP_FUNCS
2289
2290 #define safe_keyname NCURSES_SP_NAME(keyname)
2291 #define safe_unctrl  NCURSES_SP_NAME(unctrl)
2292 #define safe_ungetch NCURSES_SP_NAME(ungetch)
2293
2294 #else
2295
2296 #define safe_keyname _nc_keyname
2297 #define safe_unctrl  _nc_unctrl
2298 #define safe_ungetch _nc_ungetch
2299
2300 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_keyname (SCREEN *, int);
2301 extern NCURSES_EXPORT(int) _nc_ungetch (SCREEN *, int);
2302 extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype);
2303
2304 #endif
2305
2306 #ifdef __cplusplus
2307 }
2308 #endif
2309
2310 /* *INDENT-ON* */
2311
2312 #endif /* CURSES_PRIV_H */