xref: /vim-8.2.3635/src/vim.h (revision 577fadfc)
1 /* vi:set ts=8 sts=4 sw=4 noet:
2  *
3  * VIM - Vi IMproved	by Bram Moolenaar
4  *
5  * Do ":help uganda"  in Vim to read copying and usage conditions.
6  * Do ":help credits" in Vim to see a list of people who contributed.
7  */
8 
9 #ifndef VIM__H
10 # define VIM__H
11 
12 #include "protodef.h"
13 
14 // _WIN32 is defined as 1 when the compilation target is 32-bit or 64-bit.
15 // Note: If you want to check for 64-bit use the _WIN64 macro.
16 #if defined(WIN32) || defined(_WIN32)
17 # define MSWIN
18 #endif
19 
20 // use fastcall for Borland, when compiling for MS-Windows
21 #if defined(__BORLANDC__) && defined(MSWIN) && !defined(DEBUG)
22 #if defined(FEAT_PERL) || \
23     defined(FEAT_PYTHON) || \
24     defined(FEAT_PYTHON3) || \
25     defined(FEAT_RUBY) || \
26     defined(FEAT_TCL) || \
27     defined(FEAT_MZSCHEME) || \
28     defined(DYNAMIC_GETTEXT) || \
29     defined(DYNAMIC_ICONV) || \
30     defined(DYNAMIC_IME) || \
31     defined(XPM)
32   #pragma option -pc
33 # else
34   #pragma option -pr
35 # endif
36 #endif
37 
38 #ifdef MSWIN
39 # include "vimio.h"
40 #endif
41 
42 /* ============ the header file puzzle (ca. 50-100 pieces) ========= */
43 
44 #ifdef HAVE_CONFIG_H	/* GNU autoconf (or something else) was here */
45 # include "auto/config.h"
46 # define HAVE_PATHDEF
47 
48 /*
49  * Check if configure correctly managed to find sizeof(int).  If this failed,
50  * it becomes zero.  This is likely a problem of not being able to run the
51  * test program.  Other items from configure may also be wrong then!
52  */
53 # if (VIM_SIZEOF_INT == 0)
54     Error: configure did not run properly.  Check auto/config.log.
55 # endif
56 
57 // for INT_MAX, LONG_MAX et al.
58 #include <limits.h>
59 
60 /*
61  * Cygwin may have fchdir() in a newer release, but in most versions it
62  * doesn't work well and avoiding it keeps the binary backward compatible.
63  */
64 # if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
65 #  undef HAVE_FCHDIR
66 # endif
67 
68 /* We may need to define the uint32_t on non-Unix system, but using the same
69  * identifier causes conflicts.  Therefore use UINT32_T. */
70 # define UINT32_TYPEDEF uint32_t
71 #endif
72 
73 #if !defined(UINT32_TYPEDEF)
74 # if defined(uint32_t)  /* this doesn't catch typedefs, unfortunately */
75 #  define UINT32_TYPEDEF uint32_t
76 # else
77   /* Fall back to assuming unsigned int is 32 bit.  If this is wrong then the
78    * test in blowfish.c will fail. */
79 #  define UINT32_TYPEDEF unsigned int
80 # endif
81 #endif
82 
83 /* user ID of root is usually zero, but not for everybody */
84 #ifdef __TANDEM
85 # ifndef _TANDEM_SOURCE
86 #  define _TANDEM_SOURCE
87 # endif
88 # include <floss.h>
89 # define ROOT_UID 65535
90 # define OLDXAW
91 # if (_TANDEM_ARCH_ == 2 && __H_Series_RVU >= 621)
92 #  define SA_ONSTACK_COMPATIBILITY
93 # endif
94 #else
95 # define ROOT_UID 0
96 #endif
97 
98 /*
99  * MACOS_X	    compiling for Mac OS X
100  * MACOS_X_DARWIN   integrating the darwin feature into MACOS_X
101  */
102 #if defined(MACOS_X_DARWIN) && !defined(MACOS_X)
103 # define MACOS_X
104 #endif
105 /* Unless made through the Makefile enforce GUI on Mac */
106 #if defined(MACOS_X) && !defined(HAVE_CONFIG_H)
107 # define UNIX
108 # define FEAT_GUI_MAC
109 #endif
110 
111 #if defined(FEAT_GUI_MOTIF) \
112     || defined(FEAT_GUI_GTK) \
113     || defined(FEAT_GUI_ATHENA) \
114     || defined(FEAT_GUI_MAC) \
115     || defined(FEAT_GUI_MSWIN) \
116     || defined(FEAT_GUI_PHOTON)
117 # define FEAT_GUI_ENABLED  /* also defined with NO_X11_INCLUDES */
118 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
119 #  define FEAT_GUI
120 # endif
121 #endif
122 
123 /* Check support for rendering options */
124 #ifdef FEAT_GUI
125 # if defined(FEAT_DIRECTX)
126 #  define FEAT_RENDER_OPTIONS
127 # endif
128 #endif
129 
130 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
131 #if _MSC_VER >= 1400
132 # define _CRT_SECURE_NO_DEPRECATE
133 # define _CRT_NONSTDC_NO_DEPRECATE
134 #endif
135 
136 /*
137  * VIM_SIZEOF_INT is used in feature.h, and the system-specific included files
138  * need items from feature.h.  Therefore define VIM_SIZEOF_INT here.
139  */
140 #ifdef MSWIN
141 # define VIM_SIZEOF_INT 4
142 #endif
143 
144 #ifdef AMIGA
145   /* Be conservative about sizeof(int). It could be 4 too. */
146 # ifndef FEAT_GUI_GTK	/* avoid problems when generating prototypes */
147 #  ifdef __GNUC__
148 #   define VIM_SIZEOF_INT	4
149 #  else
150 #   define VIM_SIZEOF_INT	2
151 #  endif
152 # endif
153 #endif
154 #if defined(MACOS_X) && !defined(HAVE_CONFIG_H)
155 #  define VIM_SIZEOF_INT __SIZEOF_INT__
156 #endif
157 
158 #if VIM_SIZEOF_INT < 4 && !defined(PROTO)
159     Error: Vim only works with 32 bit int or larger
160 #endif
161 
162 /*
163  * #defines for optionals and features
164  * Also defines FEAT_TINY, FEAT_SMALL, etc. when FEAT_HUGE is defined.
165  */
166 #include "feature.h"
167 
168 #if defined(MACOS_X_DARWIN)
169 # if defined(FEAT_SMALL) && !defined(FEAT_CLIPBOARD)
170 #  define FEAT_CLIPBOARD
171 # endif
172 # if defined(FEAT_SMALL) && !defined(FEAT_MOUSE)
173 #  define FEAT_MOUSE
174 # endif
175 #endif
176 
177 /* +x11 is only enabled when it's both available and wanted. */
178 #if defined(HAVE_X11) && defined(WANT_X11)
179 # define FEAT_X11
180 #endif
181 
182 #ifdef NO_X11_INCLUDES
183     /* In os_mac_conv.c and os_macosx.m NO_X11_INCLUDES is defined to avoid
184      * X11 headers.  Disable all X11 related things to avoid conflicts. */
185 # ifdef FEAT_X11
186 #  undef FEAT_X11
187 # endif
188 # ifdef FEAT_GUI_X11
189 #  undef FEAT_GUI_X11
190 # endif
191 # ifdef FEAT_XCLIPBOARD
192 #  undef FEAT_XCLIPBOARD
193 # endif
194 # ifdef FEAT_GUI_MOTIF
195 #  undef FEAT_GUI_MOTIF
196 # endif
197 # ifdef FEAT_GUI_ATHENA
198 #  undef FEAT_GUI_ATHENA
199 # endif
200 # ifdef FEAT_GUI_GTK
201 #  undef FEAT_GUI_GTK
202 # endif
203 # ifdef FEAT_BEVAL_TIP
204 #  undef FEAT_BEVAL_TIP
205 # endif
206 # ifdef FEAT_XIM
207 #  undef FEAT_XIM
208 # endif
209 # ifdef FEAT_CLIENTSERVER
210 #  undef FEAT_CLIENTSERVER
211 # endif
212 #endif
213 
214 /* The Mac conversion stuff doesn't work under X11. */
215 #if defined(MACOS_X_DARWIN)
216 # define MACOS_CONVERT
217 #endif
218 
219 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
220 #ifndef VIMPACKAGE
221 # define VIMPACKAGE	"vim"
222 #endif
223 
224 /*
225  * Find out if function definitions should include argument types
226  */
227 #ifdef AZTEC_C
228 # include <functions.h>
229 #endif
230 
231 #ifdef SASC
232 # include <clib/exec_protos.h>
233 #endif
234 
235 #ifdef _DCC
236 # include <clib/exec_protos.h>
237 #endif
238 
239 #ifdef __BEOS__
240 # include "os_beos.h"
241 #endif
242 
243 #if (defined(UNIX) || defined(VMS)) \
244 	&& (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
245 # include "os_unix.h"	    /* bring lots of system header files */
246 #endif
247 
248 /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
249  * can be used to check for mistakes. */
250 #ifdef HAVE_ATTRIBUTE_UNUSED
251 # define UNUSED __attribute__((unused))
252 #else
253 # define UNUSED
254 #endif
255 
256 /* Used to check for "sun", "__sun" is used by newer compilers. */
257 #if defined(__sun)
258 # define SUN_SYSTEM
259 #endif
260 
261 /* If we're compiling in C++ (currently only KVim), the system
262  * headers must have the correct prototypes or nothing will build.
263  * Conversely, our prototypes might clash due to throw() specifiers and
264  * cause compilation failures even though the headers are correct.  For
265  * a concrete example, gcc-3.2 enforces exception specifications, and
266  * glibc-2.2.5 has them in their system headers.
267  */
268 #if !defined(__cplusplus) && defined(UNIX) \
269 	&& !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
270 # include "auto/osdef.h"	/* bring missing declarations in */
271 #endif
272 
273 #ifdef AMIGA
274 # include "os_amiga.h"
275 #endif
276 
277 #ifdef MSWIN
278 # include "os_win32.h"
279 #endif
280 
281 #ifdef __MINT__
282 # include "os_mint.h"
283 #endif
284 
285 #if defined(MACOS_X)
286 # include "os_mac.h"
287 #endif
288 
289 #ifdef __QNX__
290 # include "os_qnx.h"
291 #endif
292 
293 #ifdef X_LOCALE
294 # include <X11/Xlocale.h>
295 #else
296 # ifdef HAVE_LOCALE_H
297 #  include <locale.h>
298 # endif
299 #endif
300 
301 /*
302  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
303  * on the safe side.  But not too long to put on the stack.
304  */
305 #ifndef MAXPATHL
306 # ifdef MAXPATHLEN
307 #  define MAXPATHL  MAXPATHLEN
308 # else
309 #  define MAXPATHL  256
310 # endif
311 #endif
312 #ifdef BACKSLASH_IN_FILENAME
313 # define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`%#'\"|!<")
314 #else
315 # ifdef VMS
316     /* VMS allows a lot of characters in the file name */
317 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'\"|!")
318 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'|!()&")
319 # else
320 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<")
321 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<>();&")
322 # endif
323 #endif
324 
325 /* length of a buffer to store a number in ASCII (64 bits binary + NUL) */
326 #define NUMBUFLEN 65
327 
328 /* flags for vim_str2nr() */
329 #define STR2NR_BIN 1
330 #define STR2NR_OCT 2
331 #define STR2NR_HEX 4
332 #define STR2NR_ALL (STR2NR_BIN + STR2NR_OCT + STR2NR_HEX)
333 #define STR2NR_FORCE 8 /* only when ONE of the above is used */
334 
335 /*
336  * Shorthand for unsigned variables. Many systems, but not all, have u_char
337  * already defined, so we use char_u to avoid trouble.
338  */
339 typedef unsigned char	char_u;
340 typedef unsigned short	short_u;
341 typedef unsigned int	int_u;
342 
343 /* Older systems do not have support for long long
344  * use a typedef instead of hadcoded long long */
345 #ifdef HAVE_NO_LONG_LONG
346  typedef long long_long_T;
347  typedef long unsigned long_long_u_T;
348 #else
349  typedef long long long_long_T;
350  typedef long long unsigned long_long_u_T;
351 #endif
352 
353 /* Make sure long_u is big enough to hold a pointer.
354  * On Win64, longs are 32 bits and pointers are 64 bits.
355  * For printf() and scanf(), we need to take care of long_u specifically. */
356 #ifdef _WIN64
357 typedef unsigned __int64	long_u;
358 typedef		 __int64	long_i;
359 # define SCANF_HEX_LONG_U       "%Ix"
360 # define SCANF_DECIMAL_LONG_U   "%Iu"
361 # define PRINTF_HEX_LONG_U      "0x%Ix"
362 #else
363   /* Microsoft-specific. The __w64 keyword should be specified on any typedefs
364    * that change size between 32-bit and 64-bit platforms.  For any such type,
365    * __w64 should appear only on the 32-bit definition of the typedef.
366    * Define __w64 as an empty token for everything but MSVC 7.x or later.
367    */
368 # if !defined(_MSC_VER)	|| (_MSC_VER < 1300)
369 #  define __w64
370 # endif
371 typedef unsigned long __w64	long_u;
372 typedef		 long __w64     long_i;
373 # define SCANF_HEX_LONG_U       "%lx"
374 # define SCANF_DECIMAL_LONG_U   "%lu"
375 # define PRINTF_HEX_LONG_U      "0x%lx"
376 #endif
377 #define PRINTF_DECIMAL_LONG_U SCANF_DECIMAL_LONG_U
378 
379 /*
380  * Only systems which use configure will have SIZEOF_OFF_T and VIM_SIZEOF_LONG
381  * defined, which is ok since those are the same systems which can have
382  * varying sizes for off_t.  The other systems will continue to use "%ld" to
383  * print off_t since off_t is simply a typedef to long for them.
384  */
385 #if defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T > VIM_SIZEOF_LONG)
386 # define LONG_LONG_OFF_T
387 #endif
388 
389 /*
390  * We use 64-bit file functions here, if available.  E.g. ftello() returns
391  * off_t instead of long, which helps if long is 32 bit and off_t is 64 bit.
392  * We assume that when fseeko() is available then ftello() is too.
393  * Note that Windows has different function names.
394  */
395 #if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__)
396 typedef __int64 off_T;
397 # ifdef __MINGW32__
398 #  define vim_lseek lseek64
399 #  define vim_fseek fseeko64
400 #  define vim_ftell ftello64
401 # else
402 #  define vim_lseek _lseeki64
403 #  define vim_fseek _fseeki64
404 #  define vim_ftell _ftelli64
405 # endif
406 #else
407 # ifdef PROTO
408 typedef long off_T;
409 # else
410 typedef off_t off_T;
411 # endif
412 # ifdef HAVE_FSEEKO
413 #  define vim_lseek lseek
414 #  define vim_ftell ftello
415 #  define vim_fseek fseeko
416 # else
417 #  define vim_lseek lseek
418 #  define vim_ftell ftell
419 #  define vim_fseek(a, b, c)	fseek(a, (long)b, c)
420 # endif
421 #endif
422 
423 /*
424  * The characters and attributes cached for the screen.
425  */
426 typedef char_u schar_T;
427 typedef unsigned short sattr_T;
428 #define MAX_TYPENR 65535
429 
430 /*
431  * The u8char_T can hold one decoded UTF-8 character.
432  * We use 32 bits, since some Asian characters don't fit in 16 bits.
433  */
434 typedef unsigned int u8char_T;	// int is 32 bits or more
435 
436 #ifndef UNIX		    /* For Unix this is included in os_unix.h */
437 # include <stdio.h>
438 # include <ctype.h>
439 #endif
440 
441 #include "ascii.h"
442 #include "keymap.h"
443 #include "term.h"
444 #include "macros.h"
445 
446 #ifdef LATTICE
447 # include <sys/types.h>
448 # include <sys/stat.h>
449 #endif
450 #ifdef _DCC
451 # include <sys/stat.h>
452 #endif
453 #if defined(MSWIN)
454 # include <sys/stat.h>
455 #endif
456 
457 #if defined(HAVE_ERRNO_H) || defined(MSWIN)
458 # include <errno.h>
459 #endif
460 
461 /*
462  * Allow other (non-unix) systems to configure themselves now
463  * These are also in os_unix.h, because osdef.sh needs them there.
464  */
465 #ifndef UNIX
466 /* Note: Some systems need both string.h and strings.h (Savage).  If the
467  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
468 # ifdef HAVE_STRING_H
469 #  include <string.h>
470 # endif
471 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
472 #  include <strings.h>
473 # endif
474 # ifdef HAVE_STAT_H
475 #  include <stat.h>
476 # endif
477 # ifdef HAVE_STDLIB_H
478 #  include <stdlib.h>
479 # endif
480 #endif /* NON-UNIX */
481 
482 #include <assert.h>
483 
484 #ifdef HAVE_STDINT_H
485 # include <stdint.h>
486 #endif
487 #ifdef HAVE_INTTYPES_H
488 # include <inttypes.h>
489 #endif
490 #ifdef HAVE_WCTYPE_H
491 # include <wctype.h>
492 #endif
493 #include <stdarg.h>
494 
495 /* for offsetof() */
496 #include <stddef.h>
497 
498 #if defined(HAVE_SYS_SELECT_H) && \
499 	(!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
500 # include <sys/select.h>
501 #endif
502 
503 #ifndef HAVE_SELECT
504 # ifdef HAVE_SYS_POLL_H
505 #  include <sys/poll.h>
506 # elif defined(MSWIN)
507 #  define HAVE_SELECT
508 # else
509 #  ifdef HAVE_POLL_H
510 #   include <poll.h>
511 #  endif
512 # endif
513 #endif
514 
515 /* ================ end of the header file puzzle =============== */
516 
517 /*
518  * For dynamically loaded imm library. Currently, only for Win32.
519  */
520 #ifdef DYNAMIC_IME
521 # ifndef FEAT_MBYTE_IME
522 #  define FEAT_MBYTE_IME
523 # endif
524 #endif
525 
526 /*
527  * For dynamically loaded gettext library.  Currently, only for Win32.
528  */
529 #ifdef DYNAMIC_GETTEXT
530 # ifndef FEAT_GETTEXT
531 #  define FEAT_GETTEXT
532 # endif
533 /* These are in os_win32.c */
534 extern char *(*dyn_libintl_gettext)(const char *msgid);
535 extern char *(*dyn_libintl_ngettext)(const char *msgid, const char *msgid_plural, unsigned long n);
536 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
537 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
538 extern char *(*dyn_libintl_textdomain)(const char *domainname);
539 extern int (*dyn_libintl_wputenv)(const wchar_t *envstring);
540 #endif
541 
542 
543 /*
544  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
545  * found or the +multilang feature is disabled.
546  * Use NGETTEXT(single, multi, number) to get plural behavior:
547  * - single - message for singular form
548  * - multi  - message for plural form
549  * - number - the count
550  */
551 #ifdef FEAT_GETTEXT
552 # ifdef DYNAMIC_GETTEXT
553 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
554 #  define NGETTEXT(x, xs, n) (*dyn_libintl_ngettext)((char *)(x), (char *)(xs), (n))
555 #  define N_(x) x
556 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
557 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
558 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
559 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
560 #  endif
561 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
562 #  define libintl_wputenv(envstring) (*dyn_libintl_wputenv)(envstring)
563 # else
564 #  include <libintl.h>
565 #  define _(x) gettext((char *)(x))
566 #  define NGETTEXT(x, xs, n) ngettext((x), (xs), (n))
567 #  ifdef gettext_noop
568 #   define N_(x) gettext_noop(x)
569 #  else
570 #   define N_(x) x
571 #  endif
572 # endif
573 #else
574 # define _(x) ((char *)(x))
575 # define NGETTEXT(x, xs, n) (((n) == 1) ? (char *)(x) : (char *)(xs))
576 # define N_(x) x
577 # ifdef bindtextdomain
578 #  undef bindtextdomain
579 # endif
580 # define bindtextdomain(x, y) /* empty */
581 # ifdef bind_textdomain_codeset
582 #  undef bind_textdomain_codeset
583 # endif
584 # define bind_textdomain_codeset(x, y) /* empty */
585 # ifdef textdomain
586 #  undef textdomain
587 # endif
588 # define textdomain(x) /* empty */
589 #endif
590 
591 /*
592  * flags for update_screen()
593  * The higher the value, the higher the priority
594  */
595 #define VALID_NO_UPDATE		 5  /* no new changes, keep the command line if
596 				       possible */
597 #define VALID			10  /* buffer not changed, or changes marked
598 				       with b_mod_* */
599 #define INVERTED		20  /* redisplay inverted part that changed */
600 #define INVERTED_ALL		25  /* redisplay whole inverted part */
601 #define REDRAW_TOP		30  /* display first w_upd_rows screen lines */
602 #define SOME_VALID		35  /* like NOT_VALID but may scroll */
603 #define NOT_VALID		40  /* buffer needs complete redraw */
604 #define CLEAR			50  /* screen messed up, clear it */
605 
606 /*
607  * Flags for w_valid.
608  * These are set when something in a window structure becomes invalid, except
609  * when the cursor is moved.  Call check_cursor_moved() before testing one of
610  * the flags.
611  * These are reset when that thing has been updated and is valid again.
612  *
613  * Every function that invalidates one of these must call one of the
614  * invalidate_* functions.
615  *
616  * w_valid is supposed to be used only in screen.c.  From other files, use the
617  * functions that set or reset the flags.
618  *
619  * VALID_BOTLINE    VALID_BOTLINE_AP
620  *     on		on		w_botline valid
621  *     off		on		w_botline approximated
622  *     off		off		w_botline not valid
623  *     on		off		not possible
624  */
625 #define VALID_WROW	0x01	/* w_wrow (window row) is valid */
626 #define VALID_WCOL	0x02	/* w_wcol (window col) is valid */
627 #define VALID_VIRTCOL	0x04	/* w_virtcol (file col) is valid */
628 #define VALID_CHEIGHT	0x08	/* w_cline_height and w_cline_folded valid */
629 #define VALID_CROW	0x10	/* w_cline_row is valid */
630 #define VALID_BOTLINE	0x20	/* w_botine and w_empty_rows are valid */
631 #define VALID_BOTLINE_AP 0x40	/* w_botine is approximated */
632 #define VALID_TOPLINE	0x80	/* w_topline is valid (for cursor position) */
633 
634 /*
635  * Terminal highlighting attribute bits.
636  * Attributes above HL_ALL are used for syntax highlighting.
637  */
638 #define HL_NORMAL		0x00
639 #define HL_INVERSE		0x01
640 #define HL_BOLD			0x02
641 #define HL_ITALIC		0x04
642 #define HL_UNDERLINE		0x08
643 #define HL_UNDERCURL		0x10
644 #define HL_STANDOUT		0x20
645 #define HL_NOCOMBINE		0x40
646 #define HL_STRIKETHROUGH	0x80
647 #define HL_ALL			0xff
648 
649 /* special attribute addition: Put message in history */
650 #define MSG_HIST		0x1000
651 
652 /*
653  * values for State
654  *
655  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
656  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
657  * these bits are set, no mapping is done.
658  * The upper bits are used to distinguish between other states.
659  */
660 #define NORMAL		0x01	/* Normal mode, command expected */
661 #define VISUAL		0x02	/* Visual mode - use get_real_state() */
662 #define OP_PENDING	0x04	/* Normal mode, operator is pending - use
663 				   get_real_state() */
664 #define CMDLINE		0x08	/* Editing command line */
665 #define INSERT		0x10	/* Insert mode */
666 #define LANGMAP		0x20	/* Language mapping, can be combined with
667 				   INSERT and CMDLINE */
668 
669 #define REPLACE_FLAG	0x40	/* Replace mode flag */
670 #define REPLACE		(REPLACE_FLAG + INSERT)
671 #define VREPLACE_FLAG	0x80	/* Virtual-replace mode flag */
672 #define VREPLACE	(REPLACE_FLAG + VREPLACE_FLAG + INSERT)
673 #define LREPLACE	(REPLACE_FLAG + LANGMAP)
674 
675 #define NORMAL_BUSY	(0x100 + NORMAL) /* Normal mode, busy with a command */
676 #define HITRETURN	(0x200 + NORMAL) /* waiting for return or command */
677 #define ASKMORE		0x300	/* Asking if you want --more-- */
678 #define SETWSIZE	0x400	/* window size has changed */
679 #define ABBREV		0x500	/* abbreviation instead of mapping */
680 #define EXTERNCMD	0x600	/* executing an external command */
681 #define SHOWMATCH	(0x700 + INSERT) /* show matching paren */
682 #define CONFIRM		0x800	/* ":confirm" prompt */
683 #define SELECTMODE	0x1000	/* Select mode, only for mappings */
684 #define TERMINAL        0x2000  /* Terminal mode */
685 
686 /* all mode bits used for mapping */
687 #define MAP_ALL_MODES	(0x3f | SELECTMODE | TERMINAL)
688 
689 /* directions */
690 #define FORWARD			1
691 #define BACKWARD		(-1)
692 #define FORWARD_FILE		3
693 #define BACKWARD_FILE		(-3)
694 
695 /* return values for functions */
696 #if !(defined(OK) && (OK == 1))
697 /* OK already defined to 1 in MacOS X curses, skip this */
698 # define OK			1
699 #endif
700 #define FAIL			0
701 #define NOTDONE			2   /* not OK or FAIL but skipped */
702 
703 /* flags for b_flags */
704 #define BF_RECOVERED	0x01	/* buffer has been recovered */
705 #define BF_CHECK_RO	0x02	/* need to check readonly when loading file
706 				   into buffer (set by ":e", may be reset by
707 				   ":buf" */
708 #define BF_NEVERLOADED	0x04	/* file has never been loaded into buffer,
709 				   many variables still need to be set */
710 #define BF_NOTEDITED	0x08	/* Set when file name is changed after
711 				   starting to edit, reset when file is
712 				   written out. */
713 #define BF_NEW		0x10	/* file didn't exist when editing started */
714 #define BF_NEW_W	0x20	/* Warned for BF_NEW and file created */
715 #define BF_READERR	0x40	/* got errors while reading the file */
716 #define BF_DUMMY	0x80	/* dummy buffer, only used internally */
717 #define BF_PRESERVED	0x100	/* ":preserve" was used */
718 
719 /* Mask to check for flags that prevent normal writing */
720 #define BF_WRITE_MASK	(BF_NOTEDITED + BF_NEW + BF_READERR)
721 
722 /*
723  * values for xp_context when doing command line completion
724  */
725 #define EXPAND_UNSUCCESSFUL	(-2)
726 #define EXPAND_OK		(-1)
727 #define EXPAND_NOTHING		0
728 #define EXPAND_COMMANDS		1
729 #define EXPAND_FILES		2
730 #define EXPAND_DIRECTORIES	3
731 #define EXPAND_SETTINGS		4
732 #define EXPAND_BOOL_SETTINGS	5
733 #define EXPAND_TAGS		6
734 #define EXPAND_OLD_SETTING	7
735 #define EXPAND_HELP		8
736 #define EXPAND_BUFFERS		9
737 #define EXPAND_EVENTS		10
738 #define EXPAND_MENUS		11
739 #define EXPAND_SYNTAX		12
740 #define EXPAND_HIGHLIGHT	13
741 #define EXPAND_AUGROUP		14
742 #define EXPAND_USER_VARS	15
743 #define EXPAND_MAPPINGS		16
744 #define EXPAND_TAGS_LISTFILES	17
745 #define EXPAND_FUNCTIONS	18
746 #define EXPAND_USER_FUNC	19
747 #define EXPAND_EXPRESSION	20
748 #define EXPAND_MENUNAMES	21
749 #define EXPAND_USER_COMMANDS	22
750 #define EXPAND_USER_CMD_FLAGS	23
751 #define EXPAND_USER_NARGS	24
752 #define EXPAND_USER_COMPLETE	25
753 #define EXPAND_ENV_VARS		26
754 #define EXPAND_LANGUAGE		27
755 #define EXPAND_COLORS		28
756 #define EXPAND_COMPILER		29
757 #define EXPAND_USER_DEFINED	30
758 #define EXPAND_USER_LIST	31
759 #define EXPAND_SHELLCMD		32
760 #define EXPAND_CSCOPE		33
761 #define EXPAND_SIGN		34
762 #define EXPAND_PROFILE		35
763 #define EXPAND_BEHAVE		36
764 #define EXPAND_FILETYPE		37
765 #define EXPAND_FILES_IN_PATH	38
766 #define EXPAND_OWNSYNTAX	39
767 #define EXPAND_LOCALES		40
768 #define EXPAND_HISTORY		41
769 #define EXPAND_USER		42
770 #define EXPAND_SYNTIME		43
771 #define EXPAND_USER_ADDR_TYPE	44
772 #define EXPAND_PACKADD		45
773 #define EXPAND_MESSAGES		46
774 #define EXPAND_MAPCLEAR		47
775 #define EXPAND_ARGLIST		48
776 
777 /* Values for exmode_active (0 is no exmode) */
778 #define EXMODE_NORMAL		1
779 #define EXMODE_VIM		2
780 
781 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
782 #define WILD_FREE		1
783 #define WILD_EXPAND_FREE	2
784 #define WILD_EXPAND_KEEP	3
785 #define WILD_NEXT		4
786 #define WILD_PREV		5
787 #define WILD_ALL		6
788 #define WILD_LONGEST		7
789 #define WILD_ALL_KEEP		8
790 
791 #define WILD_LIST_NOTFOUND	0x01
792 #define WILD_HOME_REPLACE	0x02
793 #define WILD_USE_NL		0x04
794 #define WILD_NO_BEEP		0x08
795 #define WILD_ADD_SLASH		0x10
796 #define WILD_KEEP_ALL		0x20
797 #define WILD_SILENT		0x40
798 #define WILD_ESCAPE		0x80
799 #define WILD_ICASE		0x100
800 #define WILD_ALLLINKS		0x200
801 
802 /* Flags for expand_wildcards() */
803 #define EW_DIR		0x01	/* include directory names */
804 #define EW_FILE		0x02	/* include file names */
805 #define EW_NOTFOUND	0x04	/* include not found names */
806 #define EW_ADDSLASH	0x08	/* append slash to directory name */
807 #define EW_KEEPALL	0x10	/* keep all matches */
808 #define EW_SILENT	0x20	/* don't print "1 returned" from shell */
809 #define EW_EXEC		0x40	/* executable files */
810 #define EW_PATH		0x80	/* search in 'path' too */
811 #define EW_ICASE	0x100	/* ignore case */
812 #define EW_NOERROR	0x200	/* no error for bad regexp */
813 #define EW_NOTWILD	0x400	/* add match with literal name if exists */
814 #define EW_KEEPDOLLAR	0x800	/* do not escape $, $var is expanded */
815 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
816  * is used when executing commands and EW_SILENT for interactive expanding. */
817 #define EW_ALLLINKS	0x1000	/* also links not pointing to existing file */
818 #define EW_SHELLCMD	0x2000	/* called from expand_shellcmd(), don't check
819 				 * if executable is in $PATH */
820 #define EW_DODOT	0x4000	/* also files starting with a dot */
821 #define EW_EMPTYOK	0x8000	/* no matches is not an error */
822 
823 /* Flags for find_file_*() functions. */
824 #define FINDFILE_FILE	0	/* only files */
825 #define FINDFILE_DIR	1	/* only directories */
826 #define FINDFILE_BOTH	2	/* files and directories */
827 
828 #define W_ENDCOL(wp)	(wp->w_wincol + wp->w_width)
829 #ifdef FEAT_MENU
830 # define W_WINROW(wp)	(wp->w_winrow + wp->w_winbar_height)
831 #else
832 # define W_WINROW(wp)	(wp->w_winrow)
833 #endif
834 
835 #ifdef NO_EXPANDPATH
836 # define gen_expand_wildcards mch_expand_wildcards
837 #endif
838 
839 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
840 #define FIND_ANY	1
841 #define FIND_DEFINE	2
842 #define CHECK_PATH	3
843 
844 #define ACTION_SHOW	1
845 #define ACTION_GOTO	2
846 #define ACTION_SPLIT	3
847 #define ACTION_SHOW_ALL	4
848 #ifdef FEAT_INS_EXPAND
849 # define ACTION_EXPAND	5
850 #endif
851 
852 #ifdef FEAT_SYN_HL
853 # define SST_MIN_ENTRIES 150	/* minimal size for state stack array */
854 # define SST_MAX_ENTRIES 1000	/* maximal size for state stack array */
855 # define SST_FIX_STATES	 7	/* size of sst_stack[]. */
856 # define SST_DIST	 16	/* normal distance between entries */
857 # define SST_INVALID	(synstate_T *)-1	/* invalid syn_state pointer */
858 
859 # define HL_CONTAINED	0x01	/* not used on toplevel */
860 # define HL_TRANSP	0x02	/* has no highlighting	*/
861 # define HL_ONELINE	0x04	/* match within one line only */
862 # define HL_HAS_EOL	0x08	/* end pattern that matches with $ */
863 # define HL_SYNC_HERE	0x10	/* sync point after this item (syncing only) */
864 # define HL_SYNC_THERE	0x20	/* sync point at current line (syncing only) */
865 # define HL_MATCH	0x40	/* use match ID instead of item ID */
866 # define HL_SKIPNL	0x80	/* nextgroup can skip newlines */
867 # define HL_SKIPWHITE	0x100	/* nextgroup can skip white space */
868 # define HL_SKIPEMPTY	0x200	/* nextgroup can skip empty lines */
869 # define HL_KEEPEND	0x400	/* end match always kept */
870 # define HL_EXCLUDENL	0x800	/* exclude NL from match */
871 # define HL_DISPLAY	0x1000	/* only used for displaying, not syncing */
872 # define HL_FOLD	0x2000	/* define fold */
873 # define HL_EXTEND	0x4000	/* ignore a keepend */
874 # define HL_MATCHCONT	0x8000	/* match continued from previous line */
875 # define HL_TRANS_CONT	0x10000 /* transparent item without contains arg */
876 # define HL_CONCEAL	0x20000 /* can be concealed */
877 # define HL_CONCEALENDS	0x40000 /* can be concealed */
878 #endif
879 
880 /* Values for 'options' argument in do_search() and searchit() */
881 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
882 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
883 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
884 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
885 #define SEARCH_OPT    0x10  /* interpret optional flags */
886 #define SEARCH_HIS    0x20  /* put search pattern in history */
887 #define SEARCH_END    0x40  /* put cursor at end of match */
888 #define SEARCH_NOOF   0x80  /* don't add offset to position */
889 #define SEARCH_START 0x100  /* start search without col offset */
890 #define SEARCH_MARK  0x200  /* set previous context mark */
891 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
892 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
893 #define SEARCH_COL  0x1000  /* start at specified column instead of zero */
894 
895 /* Values for find_ident_under_cursor() */
896 #define FIND_IDENT	1	/* find identifier (word) */
897 #define FIND_STRING	2	/* find any string (WORD) */
898 #define FIND_EVAL	4	/* include "->", "[]" and "." */
899 
900 /* Values for file_name_in_line() */
901 #define FNAME_MESS	1	/* give error message */
902 #define FNAME_EXP	2	/* expand to path */
903 #define FNAME_HYP	4	/* check for hypertext link */
904 #define FNAME_INCL	8	/* apply 'includeexpr' */
905 #define FNAME_REL	16	/* ".." and "./" are relative to the (current)
906 				   file instead of the current directory */
907 #define FNAME_UNESC	32	/* remove backslashes used for escaping */
908 
909 /* Values for buflist_getfile() */
910 #define GETF_SETMARK	0x01	/* set pcmark before jumping */
911 #define GETF_ALT	0x02	/* jumping to alternate file (not buf num) */
912 #define GETF_SWITCH	0x04	/* respect 'switchbuf' settings when jumping */
913 
914 /* Return values of getfile() */
915 #define GETFILE_ERROR	    1	/* normal error */
916 #define GETFILE_NOT_WRITTEN 2	/* "not written" error */
917 #define GETFILE_SAME_FILE   0	/* success, same file */
918 #define GETFILE_OPEN_OTHER -1	/* success, opened another file */
919 #define GETFILE_UNUSED	    8
920 #define GETFILE_SUCCESS(x)  ((x) <= 0)
921 
922 /* Values for buflist_new() flags */
923 #define BLN_CURBUF	1	/* may re-use curbuf for new buffer */
924 #define BLN_LISTED	2	/* put new buffer in buffer list */
925 #define BLN_DUMMY	4	/* allocating dummy buffer */
926 #define BLN_NEW		8	/* create a new buffer */
927 #define BLN_NOOPT	16	/* don't copy options to existing buffer */
928 #define BLN_DUMMY_OK	32	/* also find an existing dummy buffer */
929 
930 /* Values for in_cinkeys() */
931 #define KEY_OPEN_FORW	0x101
932 #define KEY_OPEN_BACK	0x102
933 #define KEY_COMPLETE	0x103	/* end of completion */
934 
935 /* Values for "noremap" argument of ins_typebuf().  Also used for
936  * map->m_noremap and menu->noremap[]. */
937 #define REMAP_YES	0	/* allow remapping */
938 #define REMAP_NONE	-1	/* no remapping */
939 #define REMAP_SCRIPT	-2	/* remap script-local mappings only */
940 #define REMAP_SKIP	-3	/* no remapping for first char */
941 
942 /* Values for mch_call_shell() second argument */
943 #define SHELL_FILTER	1	/* filtering text */
944 #define SHELL_EXPAND	2	/* expanding wildcards */
945 #define SHELL_COOKED	4	/* set term to cooked mode */
946 #define SHELL_DOOUT	8	/* redirecting output */
947 #define SHELL_SILENT	16	/* don't print error returned by command */
948 #define SHELL_READ	32	/* read lines and insert into buffer */
949 #define SHELL_WRITE	64	/* write lines from buffer */
950 
951 /* Values returned by mch_nodetype() */
952 #define NODE_NORMAL	0	/* file or directory, check with mch_isdir()*/
953 #define NODE_WRITABLE	1	/* something we can write to (character
954 				   device, fifo, socket, ..) */
955 #define NODE_OTHER	2	/* non-writable thing (e.g., block device) */
956 
957 /* Values for readfile() flags */
958 #define READ_NEW	0x01	/* read a file into a new buffer */
959 #define READ_FILTER	0x02	/* read filter output */
960 #define READ_STDIN	0x04	/* read from stdin */
961 #define READ_BUFFER	0x08	/* read from curbuf (converting stdin) */
962 #define READ_DUMMY	0x10	/* reading into a dummy buffer */
963 #define READ_KEEP_UNDO	0x20	/* keep undo info */
964 #define READ_FIFO	0x40	/* read from fifo or socket */
965 
966 /* Values for change_indent() */
967 #define INDENT_SET	1	/* set indent */
968 #define INDENT_INC	2	/* increase indent */
969 #define INDENT_DEC	3	/* decrease indent */
970 
971 /* Values for flags argument for findmatchlimit() */
972 #define FM_BACKWARD	0x01	/* search backwards */
973 #define FM_FORWARD	0x02	/* search forwards */
974 #define FM_BLOCKSTOP	0x04	/* stop at start/end of block */
975 #define FM_SKIPCOMM	0x08	/* skip comments */
976 
977 /* Values for action argument for do_buffer() */
978 #define DOBUF_GOTO	0	/* go to specified buffer */
979 #define DOBUF_SPLIT	1	/* split window and go to specified buffer */
980 #define DOBUF_UNLOAD	2	/* unload specified buffer(s) */
981 #define DOBUF_DEL	3	/* delete specified buffer(s) from buflist */
982 #define DOBUF_WIPE	4	/* delete specified buffer(s) really */
983 
984 /* Values for start argument for do_buffer() */
985 #define DOBUF_CURRENT	0	/* "count" buffer from current buffer */
986 #define DOBUF_FIRST	1	/* "count" buffer from first buffer */
987 #define DOBUF_LAST	2	/* "count" buffer from last buffer */
988 #define DOBUF_MOD	3	/* "count" mod. buffer from current buffer */
989 
990 /* Values for sub_cmd and which_pat argument for search_regcomp() */
991 /* Also used for which_pat argument for searchit() */
992 #define RE_SEARCH	0	/* save/use pat in/from search_pattern */
993 #define RE_SUBST	1	/* save/use pat in/from subst_pattern */
994 #define RE_BOTH		2	/* save pat in both patterns */
995 #define RE_LAST		2	/* use last used pattern if "pat" is NULL */
996 
997 /* Second argument for vim_regcomp(). */
998 #define RE_MAGIC	1	/* 'magic' option */
999 #define RE_STRING	2	/* match in string instead of buffer text */
1000 #define RE_STRICT	4	/* don't allow [abc] without ] */
1001 #define RE_AUTO		8	/* automatic engine selection */
1002 
1003 #ifdef FEAT_SYN_HL
1004 /* values for reg_do_extmatch */
1005 # define REX_SET	1	/* to allow \z\(...\), */
1006 # define REX_USE	2	/* to allow \z\1 et al. */
1007 # define REX_ALL	(REX_SET | REX_USE)
1008 #endif
1009 
1010 /* Return values for fullpathcmp() */
1011 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
1012 #define FPC_SAME	1	/* both exist and are the same file. */
1013 #define FPC_DIFF	2	/* both exist and are different files. */
1014 #define FPC_NOTX	4	/* both don't exist. */
1015 #define FPC_DIFFX	6	/* one of them doesn't exist. */
1016 #define FPC_SAMEX	7	/* both don't exist and file names are same. */
1017 
1018 /* flags for do_ecmd() */
1019 #define ECMD_HIDE	0x01	/* don't free the current buffer */
1020 #define ECMD_SET_HELP	0x02	/* set b_help flag of (new) buffer before
1021 				   opening file */
1022 #define ECMD_OLDBUF	0x04	/* use existing buffer if it exists */
1023 #define ECMD_FORCEIT	0x08	/* ! used in Ex command */
1024 #define ECMD_ADDBUF	0x10	/* don't edit, just add to buffer list */
1025 
1026 /* for lnum argument in do_ecmd() */
1027 #define ECMD_LASTL	(linenr_T)0	/* use last position in loaded file */
1028 #define ECMD_LAST	(linenr_T)-1	/* use last position in all files */
1029 #define ECMD_ONE	(linenr_T)1	/* use first line */
1030 
1031 /* flags for do_cmdline() */
1032 #define DOCMD_VERBOSE	0x01	/* included command in error message */
1033 #define DOCMD_NOWAIT	0x02	/* don't call wait_return() and friends */
1034 #define DOCMD_REPEAT	0x04	/* repeat exec. until getline() returns NULL */
1035 #define DOCMD_KEYTYPED	0x08	/* don't reset KeyTyped */
1036 #define DOCMD_EXCRESET	0x10	/* reset exception environment (for debugging)*/
1037 #define DOCMD_KEEPLINE  0x20	/* keep typed line for repeating with "." */
1038 
1039 /* flags for beginline() */
1040 #define BL_WHITE	1	/* cursor on first non-white in the line */
1041 #define BL_SOL		2	/* use 'sol' option */
1042 #define BL_FIX		4	/* don't leave cursor on a NUL */
1043 
1044 /* flags for mf_sync() */
1045 #define MFS_ALL		1	/* also sync blocks with negative numbers */
1046 #define MFS_STOP	2	/* stop syncing when a character is available */
1047 #define MFS_FLUSH	4	/* flushed file to disk */
1048 #define MFS_ZERO	8	/* only write block 0 */
1049 
1050 /* flags for buf_copy_options() */
1051 #define BCO_ENTER	1	/* going to enter the buffer */
1052 #define BCO_ALWAYS	2	/* always copy the options */
1053 #define BCO_NOHELP	4	/* don't touch the help related options */
1054 
1055 /* flags for do_put() */
1056 #define PUT_FIXINDENT	1	/* make indent look nice */
1057 #define PUT_CURSEND	2	/* leave cursor after end of new text */
1058 #define PUT_CURSLINE	4	/* leave cursor on last line of new text */
1059 #define PUT_LINE	8	/* put register as lines */
1060 #define PUT_LINE_SPLIT	16	/* split line for linewise register */
1061 #define PUT_LINE_FORWARD 32	/* put linewise register below Visual sel. */
1062 
1063 /* flags for set_indent() */
1064 #define SIN_CHANGED	1	/* call changed_bytes() when line changed */
1065 #define SIN_INSERT	2	/* insert indent before existing text */
1066 #define SIN_UNDO	4	/* save line for undo before changing it */
1067 
1068 /* flags for insertchar() */
1069 #define INSCHAR_FORMAT	1	/* force formatting */
1070 #define INSCHAR_DO_COM	2	/* format comments */
1071 #define INSCHAR_CTRLV	4	/* char typed just after CTRL-V */
1072 #define INSCHAR_NO_FEX	8	/* don't use 'formatexpr' */
1073 #define INSCHAR_COM_LIST 16	/* format comments with list/2nd line indent */
1074 
1075 /* flags for open_line() */
1076 #define OPENLINE_DELSPACES  1	/* delete spaces after cursor */
1077 #define OPENLINE_DO_COM	    2	/* format comments */
1078 #define OPENLINE_KEEPTRAIL  4	/* keep trailing spaces */
1079 #define OPENLINE_MARKFIX    8	/* fix mark positions */
1080 #define OPENLINE_COM_LIST  16	/* format comments with list/2nd line indent */
1081 
1082 /*
1083  * There are five history tables:
1084  */
1085 #define HIST_CMD	0	/* colon commands */
1086 #define HIST_SEARCH	1	/* search commands */
1087 #define HIST_EXPR	2	/* expressions (from entering = register) */
1088 #define HIST_INPUT	3	/* input() lines */
1089 #define HIST_DEBUG	4	/* debug commands */
1090 #define HIST_COUNT	5	/* number of history tables */
1091 
1092 /* The type numbers are fixed for backwards compatibility. */
1093 #define BARTYPE_VERSION 1
1094 #define BARTYPE_HISTORY 2
1095 #define BARTYPE_REGISTER 3
1096 #define BARTYPE_MARK 4
1097 
1098 #define VIMINFO_VERSION 4
1099 #define VIMINFO_VERSION_WITH_HISTORY 2
1100 #define VIMINFO_VERSION_WITH_REGISTERS 3
1101 #define VIMINFO_VERSION_WITH_MARKS 4
1102 
1103 typedef enum {
1104     BVAL_NR,
1105     BVAL_STRING,
1106     BVAL_EMPTY
1107 } btype_T;
1108 
1109 typedef struct {
1110     btype_T	bv_type;
1111     long	bv_nr;
1112     char_u	*bv_string;
1113     int		bv_len;		/* length of bv_string */
1114     int		bv_allocated;	/* bv_string was allocated */
1115 } bval_T;
1116 
1117 /*
1118  * Values for do_tag().
1119  */
1120 #define DT_TAG		1	/* jump to newer position or same tag again */
1121 #define DT_POP		2	/* jump to older position */
1122 #define DT_NEXT		3	/* jump to next match of same tag */
1123 #define DT_PREV		4	/* jump to previous match of same tag */
1124 #define DT_FIRST	5	/* jump to first match of same tag */
1125 #define DT_LAST		6	/* jump to first match of same tag */
1126 #define DT_SELECT	7	/* jump to selection from list */
1127 #define DT_HELP		8	/* like DT_TAG, but no wildcards */
1128 #define DT_JUMP		9	/* jump to new tag or selection from list */
1129 #define DT_CSCOPE	10	/* cscope find command (like tjump) */
1130 #define DT_LTAG		11	/* tag using location list */
1131 #define DT_FREE		99	/* free cached matches */
1132 
1133 /*
1134  * flags for find_tags().
1135  */
1136 #define TAG_HELP	1	/* only search for help tags */
1137 #define TAG_NAMES	2	/* only return name of tag */
1138 #define	TAG_REGEXP	4	/* use tag pattern as regexp */
1139 #define	TAG_NOIC	8	/* don't always ignore case */
1140 #ifdef FEAT_CSCOPE
1141 # define TAG_CSCOPE	16	/* cscope tag */
1142 #endif
1143 #define TAG_VERBOSE	32	/* message verbosity */
1144 #define TAG_INS_COMP	64	/* Currently doing insert completion */
1145 #define TAG_KEEP_LANG	128	/* keep current language */
1146 
1147 #define TAG_MANY	300	/* When finding many tags (for completion),
1148 				   find up to this many tags */
1149 
1150 /*
1151  * Types of dialogs passed to do_vim_dialog().
1152  */
1153 #define VIM_GENERIC	0
1154 #define VIM_ERROR	1
1155 #define VIM_WARNING	2
1156 #define VIM_INFO	3
1157 #define VIM_QUESTION	4
1158 #define VIM_LAST_TYPE	4	/* sentinel value */
1159 
1160 /*
1161  * Return values for functions like gui_yesnocancel()
1162  */
1163 #define VIM_YES		2
1164 #define VIM_NO		3
1165 #define VIM_CANCEL	4
1166 #define VIM_ALL		5
1167 #define VIM_DISCARDALL  6
1168 
1169 /*
1170  * arguments for win_split()
1171  */
1172 #define WSP_ROOM	1	/* require enough room */
1173 #define WSP_VERT	2	/* split vertically */
1174 #define WSP_TOP		4	/* window at top-left of shell */
1175 #define WSP_BOT		8	/* window at bottom-right of shell */
1176 #define WSP_HELP	16	/* creating the help window */
1177 #define WSP_BELOW	32	/* put new window below/right */
1178 #define WSP_ABOVE	64	/* put new window above/left */
1179 #define WSP_NEWLOC	128	/* don't copy location list */
1180 
1181 /*
1182  * arguments for gui_set_shellsize()
1183  */
1184 #define RESIZE_VERT	1	/* resize vertically */
1185 #define RESIZE_HOR	2	/* resize horizontally */
1186 #define RESIZE_BOTH	15	/* resize in both directions */
1187 
1188 /*
1189  * flags for check_changed()
1190  */
1191 #define CCGD_AW		1	/* do autowrite if buffer was changed */
1192 #define CCGD_MULTWIN	2	/* check also when several wins for the buf */
1193 #define CCGD_FORCEIT	4	/* ! used */
1194 #define CCGD_ALLBUF	8	/* may write all buffers */
1195 #define CCGD_EXCMD	16	/* may suggest using ! */
1196 
1197 /*
1198  * "flags" values for option-setting functions.
1199  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1200  * values, get local value.
1201  */
1202 #define OPT_FREE	1	/* free old value if it was allocated */
1203 #define OPT_GLOBAL	2	/* use global value */
1204 #define OPT_LOCAL	4	/* use local value */
1205 #define OPT_MODELINE	8	/* option in modeline */
1206 #define OPT_WINONLY	16	/* only set window-local options */
1207 #define OPT_NOWIN	32	/* don't set window-local options */
1208 
1209 /* Magic chars used in confirm dialog strings */
1210 #define DLG_BUTTON_SEP	'\n'
1211 #define DLG_HOTKEY_CHAR	'&'
1212 
1213 /* Values for "starting" */
1214 #define NO_SCREEN	2	/* no screen updating yet */
1215 #define NO_BUFFERS	1	/* not all buffers loaded yet */
1216 /*			0	   not starting anymore */
1217 
1218 /* Values for swap_exists_action: what to do when swap file already exists */
1219 #define SEA_NONE	0	/* don't use dialog */
1220 #define SEA_DIALOG	1	/* use dialog when possible */
1221 #define SEA_QUIT	2	/* quit editing the file */
1222 #define SEA_RECOVER	3	/* recover the file */
1223 
1224 /*
1225  * Minimal size for block 0 of a swap file.
1226  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1227  * because struct block0 is defined in memline.c (Sorry).
1228  * The maximal block size is arbitrary.
1229  */
1230 #define MIN_SWAP_PAGE_SIZE 1048
1231 #define MAX_SWAP_PAGE_SIZE 50000
1232 
1233 /* Special values for current_sctx.sc_sid. */
1234 #define SID_MODELINE	-1	/* when using a modeline */
1235 #define SID_CMDARG	-2	/* for "--cmd" argument */
1236 #define SID_CARG	-3	/* for "-c" argument */
1237 #define SID_ENV		-4	/* for sourcing environment variable */
1238 #define SID_ERROR	-5	/* option was reset because of an error */
1239 #define SID_NONE	-6	/* don't set scriptID */
1240 
1241 /*
1242  * Events for autocommands.
1243  */
1244 enum auto_event
1245 {
1246     EVENT_BUFADD = 0,		// after adding a buffer to the buffer list
1247     EVENT_BUFDELETE,		// deleting a buffer from the buffer list
1248     EVENT_BUFENTER,		// after entering a buffer
1249     EVENT_BUFFILEPOST,		// after renaming a buffer
1250     EVENT_BUFFILEPRE,		// before renaming a buffer
1251     EVENT_BUFHIDDEN,		// just after buffer becomes hidden
1252     EVENT_BUFLEAVE,		// before leaving a buffer
1253     EVENT_BUFNEW,		// after creating any buffer
1254     EVENT_BUFNEWFILE,		// when creating a buffer for a new file
1255     EVENT_BUFREADCMD,		// read buffer using command
1256     EVENT_BUFREADPOST,		// after reading a buffer
1257     EVENT_BUFREADPRE,		// before reading a buffer
1258     EVENT_BUFUNLOAD,		// just before unloading a buffer
1259     EVENT_BUFWINENTER,		// after showing a buffer in a window
1260     EVENT_BUFWINLEAVE,		// just after buffer removed from window
1261     EVENT_BUFWIPEOUT,		// just before really deleting a buffer
1262     EVENT_BUFWRITECMD,		// write buffer using command
1263     EVENT_BUFWRITEPOST,		// after writing a buffer
1264     EVENT_BUFWRITEPRE,		// before writing a buffer
1265     EVENT_CMDLINECHANGED,	// command line was modified
1266     EVENT_CMDLINEENTER,		// after entering the command line
1267     EVENT_CMDLINELEAVE,		// before leaving the command line
1268     EVENT_CMDUNDEFINED,		// command undefined
1269     EVENT_CMDWINENTER,		// after entering the cmdline window
1270     EVENT_CMDWINLEAVE,		// before leaving the cmdline window
1271     EVENT_COLORSCHEME,		// after loading a colorscheme
1272     EVENT_COLORSCHEMEPRE,	// before loading a colorscheme
1273     EVENT_COMPLETEDONE,		// after finishing insert complete
1274     EVENT_CURSORHOLD,		// cursor in same position for a while
1275     EVENT_CURSORHOLDI,		// idem, in Insert mode
1276     EVENT_CURSORMOVED,		// cursor was moved
1277     EVENT_CURSORMOVEDI,		// cursor was moved in Insert mode
1278     EVENT_DIFFUPDATED,		// after diffs were updated
1279     EVENT_DIRCHANGED,		// after user changed directory
1280     EVENT_ENCODINGCHANGED,	// after changing the 'encoding' option
1281     EVENT_EXITPRE,		// before exiting
1282     EVENT_FILEAPPENDCMD,	// append to a file using command
1283     EVENT_FILEAPPENDPOST,	// after appending to a file
1284     EVENT_FILEAPPENDPRE,	// before appending to a file
1285     EVENT_FILECHANGEDRO,	// before first change to read-only file
1286     EVENT_FILECHANGEDSHELL,	// after shell command that changed file
1287     EVENT_FILECHANGEDSHELLPOST,	// after (not) reloading changed file
1288     EVENT_FILEREADCMD,		// read from a file using command
1289     EVENT_FILEREADPOST,		// after reading a file
1290     EVENT_FILEREADPRE,		// before reading a file
1291     EVENT_FILETYPE,		// new file type detected (user defined)
1292     EVENT_FILEWRITECMD,		// write to a file using command
1293     EVENT_FILEWRITEPOST,	// after writing a file
1294     EVENT_FILEWRITEPRE,		// before writing a file
1295     EVENT_FILTERREADPOST,	// after reading from a filter
1296     EVENT_FILTERREADPRE,	// before reading from a filter
1297     EVENT_FILTERWRITEPOST,	// after writing to a filter
1298     EVENT_FILTERWRITEPRE,	// before writing to a filter
1299     EVENT_FOCUSGAINED,		// got the focus
1300     EVENT_FOCUSLOST,		// lost the focus to another app
1301     EVENT_FUNCUNDEFINED,	// if calling a function which doesn't exist
1302     EVENT_GUIENTER,		// after starting the GUI
1303     EVENT_GUIFAILED,		// after starting the GUI failed
1304     EVENT_INSERTCHANGE,		// when changing Insert/Replace mode
1305     EVENT_INSERTCHARPRE,	// before inserting a char
1306     EVENT_INSERTENTER,		// when entering Insert mode
1307     EVENT_INSERTLEAVE,		// when leaving Insert mode
1308     EVENT_MENUPOPUP,		// just before popup menu is displayed
1309     EVENT_OPTIONSET,		// option was set
1310     EVENT_QUICKFIXCMDPOST,	// after :make, :grep etc.
1311     EVENT_QUICKFIXCMDPRE,	// before :make, :grep etc.
1312     EVENT_QUITPRE,		// before :quit
1313     EVENT_REMOTEREPLY,		// upon string reception from a remote vim
1314     EVENT_SESSIONLOADPOST,	// after loading a session file
1315     EVENT_SHELLCMDPOST,		// after ":!cmd"
1316     EVENT_SHELLFILTERPOST,	// after ":1,2!cmd", ":w !cmd", ":r !cmd".
1317     EVENT_SOURCECMD,		// sourcing a Vim script using command
1318     EVENT_SOURCEPRE,		// before sourcing a Vim script
1319     EVENT_SOURCEPOST,		// after sourcing a Vim script
1320     EVENT_SPELLFILEMISSING,	// spell file missing
1321     EVENT_STDINREADPOST,	// after reading from stdin
1322     EVENT_STDINREADPRE,		// before reading from stdin
1323     EVENT_SWAPEXISTS,		// found existing swap file
1324     EVENT_SYNTAX,		// syntax selected
1325     EVENT_TABCLOSED,		// after closing a tab page
1326     EVENT_TABENTER,		// after entering a tab page
1327     EVENT_TABLEAVE,		// before leaving a tab page
1328     EVENT_TABNEW,		// when entering a new tab page
1329     EVENT_TERMCHANGED,		// after changing 'term'
1330     EVENT_TERMINALOPEN,		// after a terminal buffer was created
1331     EVENT_TERMRESPONSE,		// after setting "v:termresponse"
1332     EVENT_TEXTCHANGED,		// text was modified not in Insert mode
1333     EVENT_TEXTCHANGEDI,         // text was modified in Insert mode
1334     EVENT_TEXTCHANGEDP,         // TextChangedI with popup menu visible
1335     EVENT_TEXTYANKPOST,		// after some text was yanked
1336     EVENT_USER,			// user defined autocommand
1337     EVENT_VIMENTER,		// after starting Vim
1338     EVENT_VIMLEAVE,		// before exiting Vim
1339     EVENT_VIMLEAVEPRE,		// before exiting Vim and writing .viminfo
1340     EVENT_VIMRESIZED,		// after Vim window was resized
1341     EVENT_WINENTER,		// after entering a window
1342     EVENT_WINLEAVE,		// before leaving a window
1343     EVENT_WINNEW,		// when entering a new window
1344 
1345     NUM_EVENTS			// MUST be the last one
1346 };
1347 
1348 typedef enum auto_event event_T;
1349 
1350 /*
1351  * Values for index in highlight_attr[].
1352  * When making changes, also update HL_FLAGS below!  And update the default
1353  * value of 'highlight' in option.c.
1354  */
1355 typedef enum
1356 {
1357     HLF_8 = 0	    /* Meta & special keys listed with ":map", text that is
1358 		       displayed different from what it is */
1359     , HLF_EOB	    /* after the last line in the buffer */
1360     , HLF_AT	    /* @ characters at end of screen, characters that
1361 		       don't really exist in the text */
1362     , HLF_D	    /* directories in CTRL-D listing */
1363     , HLF_E	    /* error messages */
1364     , HLF_H	    /* obsolete, ignored */
1365     , HLF_I	    /* incremental search */
1366     , HLF_L	    /* last search string */
1367     , HLF_M	    /* "--More--" message */
1368     , HLF_CM	    /* Mode (e.g., "-- INSERT --") */
1369     , HLF_N	    /* line number for ":number" and ":#" commands */
1370     , HLF_CLN	    /* current line number */
1371     , HLF_R	    /* return to continue message and yes/no questions */
1372     , HLF_S	    /* status lines */
1373     , HLF_SNC	    /* status lines of not-current windows */
1374     , HLF_C	    /* column to separate vertically split windows */
1375     , HLF_T	    /* Titles for output from ":set all", ":autocmd" etc. */
1376     , HLF_V	    /* Visual mode */
1377     , HLF_VNC	    /* Visual mode, autoselecting and not clipboard owner */
1378     , HLF_W	    /* warning messages */
1379     , HLF_WM	    /* Wildmenu highlight */
1380     , HLF_FL	    /* Folded line */
1381     , HLF_FC	    /* Fold column */
1382     , HLF_ADD	    /* Added diff line */
1383     , HLF_CHD	    /* Changed diff line */
1384     , HLF_DED	    /* Deleted diff line */
1385     , HLF_TXD	    /* Text Changed in diff line */
1386     , HLF_CONCEAL   /* Concealed text */
1387     , HLF_SC	    /* Sign column */
1388     , HLF_SPB	    /* SpellBad */
1389     , HLF_SPC	    /* SpellCap */
1390     , HLF_SPR	    /* SpellRare */
1391     , HLF_SPL	    /* SpellLocal */
1392     , HLF_PNI	    /* popup menu normal item */
1393     , HLF_PSI	    /* popup menu selected item */
1394     , HLF_PSB	    /* popup menu scrollbar */
1395     , HLF_PST	    /* popup menu scrollbar thumb */
1396     , HLF_TP	    /* tabpage line */
1397     , HLF_TPS	    /* tabpage line selected */
1398     , HLF_TPF	    /* tabpage line filler */
1399     , HLF_CUC	    /* 'cursorcolumn' */
1400     , HLF_CUL	    /* 'cursorline' */
1401     , HLF_MC	    /* 'colorcolumn' */
1402     , HLF_QFL	    /* quickfix window line currently selected */
1403     , HLF_ST	    /* status lines of terminal windows */
1404     , HLF_STNC	    /* status lines of not-current terminal windows */
1405     , HLF_COUNT	    /* MUST be the last one */
1406 } hlf_T;
1407 
1408 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1409  * When changing this also adjust the default for 'highlight'. */
1410 #define HL_FLAGS {'8', '~', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1411 		  'n', 'N', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1412 		  'f', 'F', 'A', 'C', 'D', 'T', '-', '>', \
1413 		  'B', 'P', 'R', 'L', \
1414 		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o', 'q', \
1415 		  'z', 'Z'}
1416 
1417 /*
1418  * Boolean constants
1419  */
1420 #ifndef TRUE
1421 # define FALSE	0	    /* note: this is an int, not a long! */
1422 # define TRUE	1
1423 #endif
1424 
1425 #define MAYBE	2	    /* sometimes used for a variant on TRUE */
1426 
1427 #ifndef UINT32_T
1428 typedef UINT32_TYPEDEF UINT32_T;
1429 #endif
1430 
1431 /*
1432  * Operator IDs; The order must correspond to opchars[] in ops.c!
1433  */
1434 #define OP_NOP		0	/* no pending operation */
1435 #define OP_DELETE	1	/* "d"  delete operator */
1436 #define OP_YANK		2	/* "y"  yank operator */
1437 #define OP_CHANGE	3	/* "c"  change operator */
1438 #define OP_LSHIFT	4	/* "<"  left shift operator */
1439 #define OP_RSHIFT	5	/* ">"  right shift operator */
1440 #define OP_FILTER	6	/* "!"  filter operator */
1441 #define OP_TILDE	7	/* "g~" switch case operator */
1442 #define OP_INDENT	8	/* "="  indent operator */
1443 #define OP_FORMAT	9	/* "gq" format operator */
1444 #define OP_COLON	10	/* ":"  colon operator */
1445 #define OP_UPPER	11	/* "gU" make upper case operator */
1446 #define OP_LOWER	12	/* "gu" make lower case operator */
1447 #define OP_JOIN		13	/* "J"  join operator, only for Visual mode */
1448 #define OP_JOIN_NS	14	/* "gJ"  join operator, only for Visual mode */
1449 #define OP_ROT13	15	/* "g?" rot-13 encoding */
1450 #define OP_REPLACE	16	/* "r"  replace chars, only for Visual mode */
1451 #define OP_INSERT	17	/* "I"  Insert column, only for Visual mode */
1452 #define OP_APPEND	18	/* "A"  Append column, only for Visual mode */
1453 #define OP_FOLD		19	/* "zf" define a fold */
1454 #define OP_FOLDOPEN	20	/* "zo" open folds */
1455 #define OP_FOLDOPENREC	21	/* "zO" open folds recursively */
1456 #define OP_FOLDCLOSE	22	/* "zc" close folds */
1457 #define OP_FOLDCLOSEREC	23	/* "zC" close folds recursively */
1458 #define OP_FOLDDEL	24	/* "zd" delete folds */
1459 #define OP_FOLDDELREC	25	/* "zD" delete folds recursively */
1460 #define OP_FORMAT2	26	/* "gw" format operator, keeps cursor pos */
1461 #define OP_FUNCTION	27	/* "g@" call 'operatorfunc' */
1462 #define OP_NR_ADD	28	/* "<C-A>" Add to the number or alphabetic
1463 				   character (OP_ADD conflicts with Perl) */
1464 #define OP_NR_SUB	29	/* "<C-X>" Subtract from the number or
1465 				   alphabetic character */
1466 
1467 /*
1468  * Motion types, used for operators and for yank/delete registers.
1469  */
1470 #define MCHAR	0		/* character-wise movement/register */
1471 #define MLINE	1		/* line-wise movement/register */
1472 #define MBLOCK	2		/* block-wise register */
1473 
1474 #define MAUTO	0xff		/* Decide between MLINE/MCHAR */
1475 
1476 /*
1477  * Minimum screen size
1478  */
1479 #define MIN_COLUMNS	12	/* minimal columns for screen */
1480 #define MIN_LINES	2	/* minimal lines for screen */
1481 #define STATUS_HEIGHT	1	/* height of a status line under a window */
1482 #ifdef FEAT_MENU		/* height of a status line under a window */
1483 # define WINBAR_HEIGHT(wp)	(wp)->w_winbar_height
1484 # define VISIBLE_HEIGHT(wp)	((wp)->w_height + (wp)->w_winbar_height)
1485 #else
1486 # define WINBAR_HEIGHT(wp)	0
1487 # define VISIBLE_HEIGHT(wp)	(wp)->w_height
1488 #endif
1489 #define QF_WINHEIGHT	10	/* default height for quickfix window */
1490 
1491 /*
1492  * Buffer sizes
1493  */
1494 #ifndef CMDBUFFSIZE
1495 # define CMDBUFFSIZE	256	/* size of the command processing buffer */
1496 #endif
1497 
1498 #define LSIZE	    512		/* max. size of a line in the tags file */
1499 
1500 #define IOSIZE	   (1024+1)	/* file i/o and sprintf buffer size */
1501 
1502 #define DIALOG_MSG_SIZE 1000	/* buffer size for dialog_msg() */
1503 
1504 #define MSG_BUF_LEN 480	/* length of buffer for small messages */
1505 #define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1506 					       takes 6 bytes for one cell) */
1507 
1508 #define FOLD_TEXT_LEN  51	/* buffer size for get_foldtext() */
1509 
1510 /* Size of the buffer used for tgetent().  Unfortunately this is largely
1511  * undocumented, some systems use 1024.  Using a buffer that is too small
1512  * causes a buffer overrun and a crash.  Use the maximum known value to stay
1513  * on the safe side. */
1514 #define TBUFSZ 2048		/* buffer size for termcap entry */
1515 
1516 /*
1517  * Maximum length of key sequence to be mapped.
1518  * Must be able to hold an Amiga resize report.
1519  */
1520 #define MAXMAPLEN   50
1521 
1522 /* Size in bytes of the hash used in the undo file. */
1523 #define UNDO_HASH_SIZE 32
1524 
1525 #ifdef HAVE_FCNTL_H
1526 # include <fcntl.h>
1527 #endif
1528 
1529 #ifdef BINARY_FILE_IO
1530 # define WRITEBIN   "wb"	/* no CR-LF translation */
1531 # define READBIN    "rb"
1532 # define APPENDBIN  "ab"
1533 #else
1534 # define WRITEBIN   "w"
1535 # define READBIN    "r"
1536 # define APPENDBIN  "a"
1537 #endif
1538 
1539 /*
1540  * EMX doesn't have a global way of making open() use binary I/O.
1541  * Use O_BINARY for all open() calls.
1542  */
1543 #if defined(__CYGWIN32__)
1544 # define O_EXTRA    O_BINARY
1545 #else
1546 # define O_EXTRA    0
1547 #endif
1548 
1549 #ifndef O_NOFOLLOW
1550 # define O_NOFOLLOW 0
1551 #endif
1552 
1553 #ifndef W_OK
1554 # define W_OK 2		/* for systems that don't have W_OK in unistd.h */
1555 #endif
1556 #ifndef R_OK
1557 # define R_OK 4		/* for systems that don't have R_OK in unistd.h */
1558 #endif
1559 
1560 /*
1561  * defines to avoid typecasts from (char_u *) to (char *) and back
1562  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1563  */
1564 #define STRLEN(s)	    strlen((char *)(s))
1565 #define STRCPY(d, s)	    strcpy((char *)(d), (char *)(s))
1566 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1567 #define STRCMP(d, s)	    strcmp((char *)(d), (char *)(s))
1568 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1569 #ifdef HAVE_STRCASECMP
1570 # define STRICMP(d, s)	    strcasecmp((char *)(d), (char *)(s))
1571 #else
1572 # ifdef HAVE_STRICMP
1573 #  define STRICMP(d, s)	    stricmp((char *)(d), (char *)(s))
1574 # else
1575 #  define STRICMP(d, s)	    vim_stricmp((char *)(d), (char *)(s))
1576 # endif
1577 #endif
1578 
1579 /* Like strcpy() but allows overlapped source and destination. */
1580 #define STRMOVE(d, s)	    mch_memmove((d), (s), STRLEN(s) + 1)
1581 
1582 #ifdef HAVE_STRNCASECMP
1583 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1584 #else
1585 # ifdef HAVE_STRNICMP
1586 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1587 # else
1588 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1589 # endif
1590 #endif
1591 
1592 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1593  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1594  * encodings, including characters with umlauts in latin1, etc., while
1595  * STRICMP() only handles the system locale version, which often does not
1596  * handle non-ascii properly. */
1597 
1598 # define MB_STRICMP(d, s)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1599 # define MB_STRNICMP(d, s, n)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1600 
1601 #define STRCAT(d, s)	    strcat((char *)(d), (char *)(s))
1602 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1603 
1604 #ifdef HAVE_STRPBRK
1605 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1606 #endif
1607 
1608 #define OUT_STR(s)		    out_str((char_u *)(s))
1609 #define OUT_STR_NF(s)		    out_str_nf((char_u *)(s))
1610 
1611 #ifdef FEAT_GUI
1612 # ifdef FEAT_TERMGUICOLORS
1613 #  define GUI_FUNCTION(f)	    (gui.in_use ? gui_##f : termgui_##f)
1614 #  define GUI_FUNCTION2(f, pixel)   (gui.in_use \
1615 				    ?  ((pixel) != INVALCOLOR \
1616 					? gui_##f((pixel)) \
1617 					: INVALCOLOR) \
1618 				    : termgui_##f((pixel)))
1619 #  define USE_24BIT		    (gui.in_use || p_tgc)
1620 # else
1621 #  define GUI_FUNCTION(f)	    gui_##f
1622 #  define GUI_FUNCTION2(f,pixel)    ((pixel) != INVALCOLOR \
1623 				     ? gui_##f((pixel)) \
1624 				     : INVALCOLOR)
1625 #  define USE_24BIT		    gui.in_use
1626 # endif
1627 #else
1628 # ifdef FEAT_TERMGUICOLORS
1629 #  define GUI_FUNCTION(f)	    termgui_##f
1630 #  define GUI_FUNCTION2(f, pixel)   termgui_##f((pixel))
1631 #  define USE_24BIT		    p_tgc
1632 # endif
1633 #endif
1634 #ifdef FEAT_TERMGUICOLORS
1635 # define IS_CTERM		    (t_colors > 1 || p_tgc)
1636 #else
1637 # define IS_CTERM		    (t_colors > 1)
1638 #endif
1639 #ifdef GUI_FUNCTION
1640 # define GUI_MCH_GET_RGB	    GUI_FUNCTION(mch_get_rgb)
1641 # define GUI_MCH_GET_RGB2(pixel)    GUI_FUNCTION2(mch_get_rgb, (pixel))
1642 # define GUI_MCH_GET_COLOR	    GUI_FUNCTION(mch_get_color)
1643 # define GUI_GET_COLOR		    GUI_FUNCTION(get_color)
1644 #endif
1645 
1646 /* Prefer using emsgf(), because perror() may send the output to the wrong
1647  * destination and mess up the screen. */
1648 #ifdef HAVE_STRERROR
1649 # define PERROR(msg)		    (void)semsg("%s: %s", (char *)msg, strerror(errno))
1650 #else
1651 # define PERROR(msg)		    do_perror(msg)
1652 #endif
1653 
1654 typedef long	linenr_T;		/* line number type */
1655 typedef int	colnr_T;		/* column number type */
1656 typedef unsigned short disptick_T;	/* display tick type */
1657 
1658 /*
1659  * Well, you won't believe it, but some S/390 machines ("host", now also known
1660  * as zServer) use 31 bit pointers. There are also some newer machines, that
1661  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1662  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1663  * Unix.
1664  * With this we restrict the maximum line length to 1073741823. I guess this is
1665  * not a real problem. BTW:  Longer lines are split.
1666  */
1667 #ifdef __MVS__
1668 # define MAXCOL (0x3fffffffL)		// maximum column number, 30 bits
1669 # define MAXLNUM (0x3fffffffL)		// maximum (invalid) line number
1670 #else
1671 # define MAXCOL  INT_MAX		// maximum column number
1672 # define MAXLNUM LONG_MAX		// maximum (invalid) line number
1673 #endif
1674 
1675 #define SHOWCMD_COLS 10			// columns needed by shown command
1676 #define STL_MAX_ITEM 80			// max nr of %<flag> in statusline
1677 
1678 typedef void	    *vim_acl_T;		// dummy to pass an ACL to a function
1679 
1680 #ifndef mch_memmove
1681 # define mch_memmove(to, from, len) memmove((char*)(to), (char*)(from), (size_t)(len))
1682 #endif
1683 
1684 /*
1685  * fnamecmp() is used to compare file names.
1686  * On some systems case in a file name does not matter, on others it does.
1687  * (this does not account for maximum name lengths and things like "../dir",
1688  * thus it is not 100% accurate!)
1689  */
1690 #define fnamecmp(x, y) vim_fnamecmp((char_u *)(x), (char_u *)(y))
1691 #define fnamencmp(x, y, n) vim_fnamencmp((char_u *)(x), (char_u *)(y), (size_t)(n))
1692 
1693 #ifdef HAVE_MEMSET
1694 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1695 #else
1696 void *vim_memset(void *, int, size_t);
1697 #endif
1698 
1699 #if defined(UNIX) || defined(FEAT_GUI) || defined(VMS) \
1700 	|| defined(FEAT_CLIENTSERVER)
1701 # define USE_INPUT_BUF
1702 #endif
1703 
1704 #ifndef EINTR
1705 # define read_eintr(fd, buf, count) vim_read((fd), (buf), (count))
1706 # define write_eintr(fd, buf, count) vim_write((fd), (buf), (count))
1707 #endif
1708 
1709 #ifdef MSWIN
1710 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1711  * where sizeof(size_t)==8, not 4 */
1712 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1713 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1714 #else
1715 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1716 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1717 #endif
1718 
1719 /*
1720  * Enums need a typecast to be used as array index (for Ultrix).
1721  */
1722 #define HL_ATTR(n)	highlight_attr[(int)(n)]
1723 #define TERM_STR(n)	term_strings[(int)(n)]
1724 
1725 /*
1726  * EXTERN is only defined in main.c.  That's where global variables are
1727  * actually defined and initialized.
1728  */
1729 #ifndef EXTERN
1730 # define EXTERN extern
1731 # define INIT(x)
1732 #else
1733 # ifndef INIT
1734 #  define INIT(x) x
1735 #  define DO_INIT
1736 #  define COMMA ,
1737 # endif
1738 #endif
1739 
1740 #define MAX_MCO	6	/* maximum value for 'maxcombine' */
1741 
1742 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1743  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1744  * plus six following composing characters of three bytes each. */
1745 #define MB_MAXBYTES	21
1746 
1747 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1748 # ifdef MSWIN
1749 typedef LARGE_INTEGER proftime_T;
1750 # else
1751 typedef struct timeval proftime_T;
1752 # endif
1753 #else
1754 typedef int proftime_T;	    /* dummy for function prototypes */
1755 #endif
1756 
1757 /*
1758  * When compiling with 32 bit Perl time_t is 32 bits in the Perl code but 64
1759  * bits elsewhere.  That causes memory corruption.  Define time_T and use it
1760  * for global variables to avoid that.
1761  */
1762 #ifdef PROTO
1763 typedef long  time_T;
1764 #else
1765 # ifdef MSWIN
1766 typedef __time64_t  time_T;
1767 # else
1768 typedef time_t	    time_T;
1769 # endif
1770 #endif
1771 
1772 #ifdef _WIN64
1773 typedef __int64 sock_T;
1774 #else
1775 typedef int sock_T;
1776 #endif
1777 
1778 /* Include option.h before structs.h, because the number of window-local and
1779  * buffer-local options is used there. */
1780 #include "option.h"	/* options and default values */
1781 
1782 #include "beval.h"	/* BalloonEval */
1783 
1784 /* Note that gui.h is included by structs.h */
1785 
1786 #include "structs.h"	/* defines many structures */
1787 
1788 #include "alloc.h"
1789 
1790 /* Values for "do_profiling". */
1791 #define PROF_NONE	0	/* profiling not started */
1792 #define PROF_YES	1	/* profiling busy */
1793 #define PROF_PAUSED	2	/* profiling paused */
1794 
1795 #ifdef FEAT_MOUSE
1796 
1797 /* Codes for mouse button events in lower three bits: */
1798 # define MOUSE_LEFT	0x00
1799 # define MOUSE_MIDDLE	0x01
1800 # define MOUSE_RIGHT	0x02
1801 # define MOUSE_RELEASE	0x03
1802 
1803 /* bit masks for modifiers: */
1804 # define MOUSE_SHIFT	0x04
1805 # define MOUSE_ALT	0x08
1806 # define MOUSE_CTRL	0x10
1807 
1808 /* mouse buttons that are handled like a key press (GUI only) */
1809 /* Note that the scroll wheel keys are inverted: MOUSE_5 scrolls lines up but
1810  * the result of this is that the window moves down, similarly MOUSE_6 scrolls
1811  * columns left but the window moves right. */
1812 # define MOUSE_4	0x100	/* scroll wheel down */
1813 # define MOUSE_5	0x200	/* scroll wheel up */
1814 
1815 # define MOUSE_X1	0x300 /* Mouse-button X1 (6th) */
1816 # define MOUSE_X2	0x400 /* Mouse-button X2 */
1817 
1818 # define MOUSE_6	0x500	/* scroll wheel left */
1819 # define MOUSE_7	0x600	/* scroll wheel right */
1820 
1821 /* 0x20 is reserved by xterm */
1822 # define MOUSE_DRAG_XTERM   0x40
1823 
1824 # define MOUSE_DRAG	(0x40 | MOUSE_RELEASE)
1825 
1826 /* Lowest button code for using the mouse wheel (xterm only) */
1827 # define MOUSEWHEEL_LOW		0x60
1828 
1829 # define MOUSE_CLICK_MASK	0x03
1830 
1831 # define NUM_MOUSE_CLICKS(code) \
1832     (((unsigned)((code) & 0xC0) >> 6) + 1)
1833 
1834 # define SET_NUM_MOUSE_CLICKS(code, num) \
1835     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1836 
1837 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1838  * window by simulating a click on its status line.  We could use up to 128 *
1839  * 128 = 16384 columns, now it's reduced to 10000. */
1840 # define MOUSE_COLOFF 10000
1841 
1842 /*
1843  * jump_to_mouse() returns one of first four these values, possibly with
1844  * some of the other three added.
1845  */
1846 # define IN_UNKNOWN		0
1847 # define IN_BUFFER		1
1848 # define IN_STATUS_LINE		2	/* on status or command line */
1849 # define IN_SEP_LINE		4	/* on vertical separator line */
1850 # define IN_OTHER_WIN		8	/* in other window but can't go there */
1851 # define CURSOR_MOVED		0x100
1852 # define MOUSE_FOLD_CLOSE	0x200	/* clicked on '-' in fold column */
1853 # define MOUSE_FOLD_OPEN	0x400	/* clicked on '+' in fold column */
1854 # define MOUSE_WINBAR		0x800	/* in window toolbar */
1855 
1856 /* flags for jump_to_mouse() */
1857 # define MOUSE_FOCUS		0x01	/* need to stay in this window */
1858 # define MOUSE_MAY_VIS		0x02	/* may start Visual mode */
1859 # define MOUSE_DID_MOVE		0x04	/* only act when mouse has moved */
1860 # define MOUSE_SETPOS		0x08	/* only set current mouse position */
1861 # define MOUSE_MAY_STOP_VIS	0x10	/* may stop Visual mode */
1862 # define MOUSE_RELEASED		0x20	/* button was released */
1863 
1864 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1865 #  define CHECK_DOUBLE_CLICK 1	/* Checking for double clicks ourselves. */
1866 # endif
1867 
1868 #endif /* FEAT_MOUSE */
1869 
1870 /* defines for eval_vars() */
1871 #define VALID_PATH		1
1872 #define VALID_HEAD		2
1873 
1874 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1875 #define VV_COUNT	0
1876 #define VV_COUNT1	1
1877 #define VV_PREVCOUNT	2
1878 #define VV_ERRMSG	3
1879 #define VV_WARNINGMSG	4
1880 #define VV_STATUSMSG	5
1881 #define VV_SHELL_ERROR	6
1882 #define VV_THIS_SESSION	7
1883 #define VV_VERSION	8
1884 #define VV_LNUM		9
1885 #define VV_TERMRESPONSE	10
1886 #define VV_FNAME	11
1887 #define VV_LANG		12
1888 #define VV_LC_TIME	13
1889 #define VV_CTYPE	14
1890 #define VV_CC_FROM	15
1891 #define VV_CC_TO	16
1892 #define VV_FNAME_IN	17
1893 #define VV_FNAME_OUT	18
1894 #define VV_FNAME_NEW	19
1895 #define VV_FNAME_DIFF	20
1896 #define VV_CMDARG	21
1897 #define VV_FOLDSTART	22
1898 #define VV_FOLDEND	23
1899 #define VV_FOLDDASHES	24
1900 #define VV_FOLDLEVEL	25
1901 #define VV_PROGNAME	26
1902 #define VV_SEND_SERVER	27
1903 #define VV_DYING	28
1904 #define VV_EXCEPTION	29
1905 #define VV_THROWPOINT	30
1906 #define VV_REG		31
1907 #define VV_CMDBANG	32
1908 #define VV_INSERTMODE	33
1909 #define VV_VAL		34
1910 #define VV_KEY		35
1911 #define VV_PROFILING	36
1912 #define VV_FCS_REASON	37
1913 #define VV_FCS_CHOICE	38
1914 #define VV_BEVAL_BUFNR	39
1915 #define VV_BEVAL_WINNR	40
1916 #define VV_BEVAL_WINID	41
1917 #define VV_BEVAL_LNUM	42
1918 #define VV_BEVAL_COL	43
1919 #define VV_BEVAL_TEXT	44
1920 #define VV_SCROLLSTART	45
1921 #define VV_SWAPNAME	46
1922 #define VV_SWAPCHOICE	47
1923 #define VV_SWAPCOMMAND	48
1924 #define VV_CHAR		49
1925 #define VV_MOUSE_WIN	50
1926 #define VV_MOUSE_WINID	51
1927 #define VV_MOUSE_LNUM   52
1928 #define VV_MOUSE_COL	53
1929 #define VV_OP		54
1930 #define VV_SEARCHFORWARD 55
1931 #define VV_HLSEARCH	56
1932 #define VV_OLDFILES	57
1933 #define VV_WINDOWID	58
1934 #define VV_PROGPATH	59
1935 #define VV_COMPLETED_ITEM 60
1936 #define VV_OPTION_NEW   61
1937 #define VV_OPTION_OLD   62
1938 #define VV_OPTION_TYPE  63
1939 #define VV_ERRORS	64
1940 #define VV_FALSE	65
1941 #define VV_TRUE		66
1942 #define VV_NULL		67
1943 #define VV_NONE		68
1944 #define VV_VIM_DID_ENTER 69
1945 #define VV_TESTING	70
1946 #define VV_TYPE_NUMBER	71
1947 #define VV_TYPE_STRING	72
1948 #define VV_TYPE_FUNC	73
1949 #define VV_TYPE_LIST	74
1950 #define VV_TYPE_DICT	75
1951 #define VV_TYPE_FLOAT	76
1952 #define VV_TYPE_BOOL	77
1953 #define VV_TYPE_NONE	78
1954 #define VV_TYPE_JOB	79
1955 #define VV_TYPE_CHANNEL	80
1956 #define VV_TYPE_BLOB	81
1957 #define VV_TERMRFGRESP	82
1958 #define VV_TERMRBGRESP	83
1959 #define VV_TERMU7RESP	84
1960 #define VV_TERMSTYLERESP 85
1961 #define VV_TERMBLINKRESP 86
1962 #define VV_EVENT	87
1963 #define VV_LEN		88	/* number of v: vars */
1964 
1965 /* used for v_number in VAR_SPECIAL */
1966 #define VVAL_FALSE	0L
1967 #define VVAL_TRUE	1L
1968 #define VVAL_NONE	2L
1969 #define VVAL_NULL	3L
1970 
1971 /* Type values for type(). */
1972 #define VAR_TYPE_NUMBER	    0
1973 #define VAR_TYPE_STRING	    1
1974 #define VAR_TYPE_FUNC	    2
1975 #define VAR_TYPE_LIST	    3
1976 #define VAR_TYPE_DICT	    4
1977 #define VAR_TYPE_FLOAT	    5
1978 #define VAR_TYPE_BOOL	    6
1979 #define VAR_TYPE_NONE	    7
1980 #define VAR_TYPE_JOB	    8
1981 #define VAR_TYPE_CHANNEL    9
1982 #define VAR_TYPE_BLOB	    10
1983 
1984 #ifdef FEAT_CLIPBOARD
1985 
1986 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
1987  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
1988  * the encoding to support Vims using different 'encoding' values. */
1989 # define VIM_ATOM_NAME "_VIM_TEXT"
1990 # define VIMENC_ATOM_NAME "_VIMENC_TEXT"
1991 
1992 /* Selection states for modeless selection */
1993 # define SELECT_CLEARED		0
1994 # define SELECT_IN_PROGRESS	1
1995 # define SELECT_DONE		2
1996 
1997 # define SELECT_MODE_CHAR	0
1998 # define SELECT_MODE_WORD	1
1999 # define SELECT_MODE_LINE	2
2000 
2001 # ifdef FEAT_GUI_MSWIN
2002 #  ifdef FEAT_OLE
2003 #   define WM_OLE (WM_APP+0)
2004 #  endif
2005 # endif
2006 
2007 /* Info about selected text */
2008 typedef struct VimClipboard
2009 {
2010     int		available;	/* Is clipboard available? */
2011     int		owned;		/* Flag: do we own the selection? */
2012     pos_T	start;		/* Start of selected area */
2013     pos_T	end;		/* End of selected area */
2014     int		vmode;		/* Visual mode character */
2015 
2016     /* Fields for selection that doesn't use Visual mode */
2017     short_u	origin_row;
2018     short_u	origin_start_col;
2019     short_u	origin_end_col;
2020     short_u	word_start_col;
2021     short_u	word_end_col;
2022 
2023     pos_T	prev;		/* Previous position */
2024     short_u	state;		/* Current selection state */
2025     short_u	mode;		/* Select by char, word, or line. */
2026 
2027 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
2028     Atom	sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
2029 # endif
2030 
2031 # ifdef FEAT_GUI_GTK
2032     GdkAtom     gtk_sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
2033 # endif
2034 
2035 # if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
2036     int_u	format;		/* Vim's own special clipboard format */
2037     int_u	format_raw;	/* Vim's raw text clipboard format */
2038 # endif
2039 } VimClipboard;
2040 #else
2041 typedef int VimClipboard;	/* This is required for the prototypes. */
2042 #endif
2043 
2044 /* Use 64-bit stat structure if available. */
2045 #if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__)
2046 # define HAVE_STAT64
2047 typedef struct _stat64 stat_T;
2048 #else
2049 typedef struct stat stat_T;
2050 #endif
2051 
2052 #if defined(__GNUC__) && !defined(__MINGW32__)
2053 # define USE_PRINTF_FORMAT_ATTRIBUTE
2054 #endif
2055 
2056 typedef enum
2057 {
2058     ASSERT_EQUAL,
2059     ASSERT_NOTEQUAL,
2060     ASSERT_MATCH,
2061     ASSERT_NOTMATCH,
2062     ASSERT_OTHER
2063 } assert_type_T;
2064 
2065 /* Mode for bracketed_paste(). */
2066 typedef enum {
2067     PASTE_INSERT,	/* insert mode */
2068     PASTE_CMDLINE,	/* command line */
2069     PASTE_EX,		/* ex mode line */
2070     PASTE_ONE_CHAR	/* return first character */
2071 } paste_mode_T;
2072 
2073 // Argument for flush_buffers().
2074 typedef enum {
2075     FLUSH_MINIMAL,
2076     FLUSH_TYPEAHEAD,	// flush current typebuf contents
2077     FLUSH_INPUT		// flush typebuf and inchar() input
2078 } flush_buffers_T;
2079 
2080 #include "ex_cmds.h"	    /* Ex command defines */
2081 #include "spell.h"	    /* spell checking stuff */
2082 
2083 #include "proto.h"	    /* function prototypes */
2084 
2085 /* This has to go after the include of proto.h, as proto/gui.pro declares
2086  * functions of these names. The declarations would break if the defines had
2087  * been seen at that stage.  But it must be before globals.h, where error_ga
2088  * is declared. */
2089 #if !defined(MSWIN) && !defined(FEAT_GUI_X11) \
2090 	&& !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC) && !defined(PROTO)
2091 # define mch_errmsg(str)	fprintf(stderr, "%s", (str))
2092 # define display_errors()	fflush(stderr)
2093 # define mch_msg(str)		printf("%s", (str))
2094 #else
2095 # define USE_MCH_ERRMSG
2096 #endif
2097 
2098 # if defined(FEAT_EVAL) \
2099 	&& (!defined(FEAT_GUI_MSWIN) \
2100 	     || !(defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
2101 	&& !(defined(FEAT_GUI_MAC) && defined(MACOS_CONVERT))
2102 /* Whether IME is supported by im_get_status() defined in mbyte.c.
2103  * For Win32 GUI it's in gui_w32.c when FEAT_MBYTE_IME or GLOBAL_IME is defined.
2104  * for Mac it is in gui_mac.c for the GUI or in os_mac_conv.c when
2105  * MACOS_CONVERT is defined. */
2106 # define IME_WITHOUT_XIM
2107 #endif
2108 
2109 #if defined(FEAT_XIM) \
2110 	|| defined(IME_WITHOUT_XIM) \
2111 	|| (defined(FEAT_GUI_MSWIN) \
2112 	    && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
2113 	|| defined(FEAT_GUI_MAC)
2114 /* im_set_active() is available */
2115 # define HAVE_INPUT_METHOD
2116 #endif
2117 
2118 #ifndef FEAT_LINEBREAK
2119 /* Without the 'numberwidth' option line numbers are always 7 chars. */
2120 # define number_width(x) 7
2121 #endif
2122 
2123 /* This must come after including proto.h.
2124  * For VMS this is defined in macros.h. */
2125 #if !defined(MSWIN) && !defined(VMS)
2126 # define mch_open(n, m, p)	open((n), (m), (p))
2127 # define mch_fopen(n, p)	fopen((n), (p))
2128 #endif
2129 
2130 #include "globals.h"	    /* global variables and messages */
2131 
2132 /*
2133  * If console dialog not supported, but GUI dialog is, use the GUI one.
2134  */
2135 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
2136 # define do_dialog gui_mch_dialog
2137 #endif
2138 
2139 /*
2140  * Default filters for gui_mch_browse().
2141  * The filters are almost system independent.  Except for the difference
2142  * between "*" and "*.*" for MSDOS-like systems.
2143  * NOTE: Motif only uses the very first pattern.  Therefore
2144  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
2145  */
2146 #ifdef FEAT_BROWSE
2147 # ifdef BACKSLASH_IN_FILENAME
2148 #  define BROWSE_FILTER_MACROS \
2149 	(char_u *)N_("Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n")
2150 #  define BROWSE_FILTER_ALL_FILES (char_u *)N_("All Files (*.*)\t*.*\n")
2151 #  define BROWSE_FILTER_DEFAULT \
2152 	(char_u *)N_("All Files (*.*)\t*.*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVB code (*.bas, *.frm)\t*.bas;*.frm\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n")
2153 # else
2154 #  define BROWSE_FILTER_MACROS \
2155 	(char_u *)N_("Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n")
2156 #  define BROWSE_FILTER_ALL_FILES (char_u *)N_("All Files (*)\t*\n")
2157 #  define BROWSE_FILTER_DEFAULT \
2158 	(char_u *)N_("All Files (*)\t*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n")
2159 # endif
2160 # define BROWSE_SAVE 1	    /* flag for do_browse() */
2161 # define BROWSE_DIR 2	    /* flag for do_browse() */
2162 #endif
2163 
2164 /* stop using fastcall for Borland */
2165 #if defined(__BORLANDC__) && defined(MSWIN) && !defined(DEBUG)
2166  #pragma option -p.
2167 #endif
2168 
2169 #ifdef _MSC_VER
2170 /* Avoid useless warning "conversion from X to Y of greater size". */
2171  #pragma warning(disable : 4312)
2172 /* Avoid warning for old style function declarators */
2173  #pragma warning(disable : 4131)
2174 /* Avoid warning for conversion to type with smaller range */
2175  #pragma warning(disable : 4244)
2176 /* Avoid warning for conversion to larger size */
2177  #pragma warning(disable : 4306)
2178 /* Avoid warning for unreferenced formal parameter */
2179  #pragma warning(disable : 4100)
2180 /* Avoid warning for differs in indirection to slightly different base type */
2181  #pragma warning(disable : 4057)
2182 /* Avoid warning for constant conditional expression */
2183  #pragma warning(disable : 4127)
2184 /* Avoid warning for assignment within conditional */
2185  #pragma warning(disable : 4706)
2186 #endif
2187 
2188 /* Note: a NULL argument for vim_realloc() is not portable, don't use it. */
2189 #if defined(MEM_PROFILE)
2190 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
2191 #else
2192 # define vim_realloc(ptr, size)  realloc((ptr), (size))
2193 #endif
2194 
2195 /*
2196  * Return byte length of character that starts with byte "b".
2197  * Returns 1 for a single-byte character.
2198  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
2199  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
2200  */
2201 #define MB_BYTE2LEN(b)		mb_bytelen_tab[b]
2202 #define MB_BYTE2LEN_CHECK(b)	(((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
2203 
2204 /* properties used in enc_canon_table[] (first three mutually exclusive) */
2205 #define ENC_8BIT	0x01
2206 #define ENC_DBCS	0x02
2207 #define ENC_UNICODE	0x04
2208 
2209 #define ENC_ENDIAN_B	0x10	    /* Unicode: Big endian */
2210 #define ENC_ENDIAN_L	0x20	    /* Unicode: Little endian */
2211 
2212 #define ENC_2BYTE	0x40	    /* Unicode: UCS-2 */
2213 #define ENC_4BYTE	0x80	    /* Unicode: UCS-4 */
2214 #define ENC_2WORD	0x100	    /* Unicode: UTF-16 */
2215 
2216 #define ENC_LATIN1	0x200	    /* Latin1 */
2217 #define ENC_LATIN9	0x400	    /* Latin9 */
2218 #define ENC_MACROMAN	0x800	    /* Mac Roman (not Macro Man! :-) */
2219 
2220 #ifdef USE_ICONV
2221 # ifndef EILSEQ
2222 #  define EILSEQ 123
2223 # endif
2224 # ifdef DYNAMIC_ICONV
2225 /* On Win32 iconv.dll is dynamically loaded. */
2226 #  define ICONV_ERRNO (*iconv_errno())
2227 #  define ICONV_E2BIG  7
2228 #  define ICONV_EINVAL 22
2229 #  define ICONV_EILSEQ 42
2230 # else
2231 #  define ICONV_ERRNO errno
2232 #  define ICONV_E2BIG  E2BIG
2233 #  define ICONV_EINVAL EINVAL
2234 #  define ICONV_EILSEQ EILSEQ
2235 # endif
2236 #endif
2237 
2238 #define SIGN_BYTE 1	    /* byte value used where sign is displayed;
2239 			       attribute value is sign type */
2240 
2241 #ifdef FEAT_NETBEANS_INTG
2242 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
2243 			       multiple signs exist on the line */
2244 #endif
2245 
2246 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
2247 # ifdef FEAT_GUI_GTK
2248    /* Avoid using a global variable for the X display.  It's ugly
2249     * and is likely to cause trouble in multihead environments. */
2250 #  define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
2251 # else
2252 #  define X_DISPLAY	(gui.in_use ? gui.dpy : xterm_dpy)
2253 # endif
2254 #else
2255 # ifdef FEAT_GUI
2256 #  ifdef FEAT_GUI_GTK
2257 #   define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
2258 #  else
2259 #   define X_DISPLAY	gui.dpy
2260 #  endif
2261 # else
2262 #  define X_DISPLAY	xterm_dpy
2263 # endif
2264 #endif
2265 
2266 #if defined(FEAT_BROWSE) && defined(GTK_CHECK_VERSION)
2267 # if GTK_CHECK_VERSION(2,4,0)
2268 #  define USE_FILE_CHOOSER
2269 # endif
2270 #endif
2271 
2272 #ifdef FEAT_GUI_GTK
2273 # if !GTK_CHECK_VERSION(2,14,0)
2274 #  define gtk_widget_get_window(wid)	((wid)->window)
2275 #  define gtk_plug_get_socket_window(wid)	((wid)->socket_window)
2276 #  define gtk_selection_data_get_data(sel)	((sel)->data)
2277 #  define gtk_selection_data_get_data_type(sel)	((sel)->type)
2278 #  define gtk_selection_data_get_format(sel)	((sel)->format)
2279 #  define gtk_selection_data_get_length(sel)	((sel)->length)
2280 #  define gtk_adjustment_set_lower(adj, low) \
2281     do { (adj)->lower = low; } while (0)
2282 #  define gtk_adjustment_set_upper(adj, up) \
2283     do { (adj)->upper = up; } while (0)
2284 #  define gtk_adjustment_set_page_size(adj, size) \
2285     do { (adj)->page_size = size; } while (0)
2286 #  define gtk_adjustment_set_page_increment(adj, inc) \
2287     do { (adj)->page_increment = inc; } while (0)
2288 #  define gtk_adjustment_set_step_increment(adj, inc) \
2289     do { (adj)->step_increment = inc; } while (0)
2290 # endif
2291 # if !GTK_CHECK_VERSION(2,16,0)
2292 #  define gtk_selection_data_get_selection(sel)	((sel)->selection)
2293 # endif
2294 # if !GTK_CHECK_VERSION(2,18,0)
2295 #  define gtk_widget_get_allocation(wid, alloc) \
2296     do { *(alloc) = (wid)->allocation; } while (0)
2297 #  define gtk_widget_set_allocation(wid, alloc) \
2298     do { (wid)->allocation = *(alloc); } while (0)
2299 #  define gtk_widget_get_has_window(wid)	!GTK_WIDGET_NO_WINDOW(wid)
2300 #  define gtk_widget_get_sensitive(wid)	GTK_WIDGET_SENSITIVE(wid)
2301 #  define gtk_widget_get_visible(wid)	GTK_WIDGET_VISIBLE(wid)
2302 #  define gtk_widget_has_focus(wid)	GTK_WIDGET_HAS_FOCUS(wid)
2303 #  define gtk_widget_set_window(wid, win) \
2304     do { (wid)->window = (win); } while (0)
2305 #  define gtk_widget_set_can_default(wid, can) \
2306     do { if (can) { GTK_WIDGET_SET_FLAGS(wid, GTK_CAN_DEFAULT); } \
2307 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_CAN_DEFAULT); } } while (0)
2308 #  define gtk_widget_set_can_focus(wid, can) \
2309     do { if (can) { GTK_WIDGET_SET_FLAGS(wid, GTK_CAN_FOCUS); } \
2310 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_CAN_FOCUS); } } while (0)
2311 #  define gtk_widget_set_visible(wid, vis) \
2312     do { if (vis) { gtk_widget_show(wid); } \
2313 	else { gtk_widget_hide(wid); } } while (0)
2314 # endif
2315 # if !GTK_CHECK_VERSION(2,20,0)
2316 #  define gtk_widget_get_mapped(wid)	GTK_WIDGET_MAPPED(wid)
2317 #  define gtk_widget_get_realized(wid)	GTK_WIDGET_REALIZED(wid)
2318 #  define gtk_widget_set_mapped(wid, map) \
2319     do { if (map) { GTK_WIDGET_SET_FLAGS(wid, GTK_MAPPED); } \
2320 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_MAPPED); } } while (0)
2321 #  define gtk_widget_set_realized(wid, rea) \
2322     do { if (rea) { GTK_WIDGET_SET_FLAGS(wid, GTK_REALIZED); } \
2323 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_REALIZED); } } while (0)
2324 # endif
2325 #endif
2326 
2327 #ifndef FEAT_NETBEANS_INTG
2328 # undef NBDEBUG
2329 #endif
2330 #ifdef NBDEBUG /* Netbeans debugging. */
2331 # include "nbdebug.h"
2332 #else
2333 # define nbdebug(a)
2334 #endif
2335 
2336 #ifdef IN_PERL_FILE
2337   /*
2338    * Avoid clashes between Perl and Vim namespace.
2339    */
2340 # undef NORMAL
2341 # undef STRLEN
2342 # undef FF
2343 # undef OP_DELETE
2344 # undef OP_JOIN
2345 # ifdef __BORLANDC__
2346 #  define NOPROTO 1
2347 # endif
2348   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
2349 # ifdef MAX
2350 #  undef MAX
2351 # endif
2352 # ifdef MIN
2353 #  undef MIN
2354 # endif
2355   /* We use _() for gettext(), Perl uses it for function prototypes... */
2356 # ifdef _
2357 #  undef _
2358 # endif
2359 # ifdef DEBUG
2360 #  undef DEBUG
2361 # endif
2362 # ifdef _DEBUG
2363 #  undef _DEBUG
2364 # endif
2365 # ifdef instr
2366 #  undef instr
2367 # endif
2368   /* bool may cause trouble on some old versions of Mac OS X but is required
2369    * on a few other systems and for Perl */
2370 # if (defined(MACOS_X) && !defined(MAC_OS_X_VERSION_10_6)) \
2371 				       && defined(bool) && !defined(FEAT_PERL)
2372 #  undef bool
2373 # endif
2374 
2375 # ifdef __BORLANDC__
2376   /* Borland has the structure stati64 but not _stati64 */
2377 #  define _stati64 stati64
2378 # endif
2379 #endif
2380 
2381 /* values for vim_handle_signal() that are not a signal */
2382 #define SIGNAL_BLOCK	-1
2383 #define SIGNAL_UNBLOCK  -2
2384 #if !defined(UNIX) && !defined(VMS)
2385 # define vim_handle_signal(x) 0
2386 #endif
2387 
2388 /* flags for skip_vimgrep_pat() */
2389 #define VGR_GLOBAL	1
2390 #define VGR_NOJUMP	2
2391 
2392 /* behavior for bad character, "++bad=" argument */
2393 #define BAD_REPLACE	'?'	/* replace it with '?' (default) */
2394 #define BAD_KEEP	-1	/* leave it */
2395 #define BAD_DROP	-2	/* erase it */
2396 
2397 /* last argument for do_source() */
2398 #define DOSO_NONE	0
2399 #define DOSO_VIMRC	1	/* loading vimrc file */
2400 #define DOSO_GVIMRC	2	/* loading gvimrc file */
2401 
2402 /* flags for read_viminfo() and children */
2403 #define VIF_WANT_INFO		1	/* load non-mark info */
2404 #define VIF_WANT_MARKS		2	/* load file marks */
2405 #define VIF_FORCEIT		4	/* overwrite info already read */
2406 #define VIF_GET_OLDFILES	8	/* load v:oldfiles */
2407 
2408 /* flags for buf_freeall() */
2409 #define BFA_DEL		1	/* buffer is going to be deleted */
2410 #define BFA_WIPE	2	/* buffer is going to be wiped out */
2411 #define BFA_KEEP_UNDO	4	/* do not free undo information */
2412 
2413 /* direction for nv_mousescroll() and ins_mousescroll() */
2414 #define MSCR_DOWN	0	/* DOWN must be FALSE */
2415 #define MSCR_UP		1
2416 #define MSCR_LEFT	-1
2417 #define MSCR_RIGHT	-2
2418 
2419 #define KEYLEN_PART_KEY -1	/* keylen value for incomplete key-code */
2420 #define KEYLEN_PART_MAP -2	/* keylen value for incomplete mapping */
2421 #define KEYLEN_REMOVED  9999	/* keylen value for removed sequence */
2422 
2423 /* Return values from win32_fileinfo(). */
2424 #define FILEINFO_OK	     0
2425 #define FILEINFO_ENC_FAIL    1	/* enc_to_utf16() failed */
2426 #define FILEINFO_READ_FAIL   2	/* CreateFile() failed */
2427 #define FILEINFO_INFO_FAIL   3	/* GetFileInformationByHandle() failed */
2428 
2429 /* Return value from get_option_value_strict */
2430 #define SOPT_BOOL	0x01	/* Boolean option */
2431 #define SOPT_NUM	0x02	/* Number option */
2432 #define SOPT_STRING	0x04	/* String option */
2433 #define SOPT_GLOBAL	0x08	/* Option has global value */
2434 #define SOPT_WIN	0x10	/* Option has window-local value */
2435 #define SOPT_BUF	0x20	/* Option has buffer-local value */
2436 #define SOPT_UNSET	0x40	/* Option does not have local value set */
2437 
2438 /* Option types for various functions in option.c */
2439 #define SREQ_GLOBAL	0	/* Request global option */
2440 #define SREQ_WIN	1	/* Request window-local option */
2441 #define SREQ_BUF	2	/* Request buffer-local option */
2442 
2443 /* Flags for get_reg_contents */
2444 #define GREG_NO_EXPR	1	/* Do not allow expression register */
2445 #define GREG_EXPR_SRC	2	/* Return expression itself for "=" register */
2446 #define GREG_LIST	4	/* Return list */
2447 
2448 /* Character used as separated in autoload function/variable names. */
2449 #define AUTOLOAD_CHAR '#'
2450 
2451 #ifdef FEAT_JOB_CHANNEL
2452 # define MAX_OPEN_CHANNELS 10
2453 #else
2454 # define MAX_OPEN_CHANNELS 0
2455 #endif
2456 
2457 #if defined(MSWIN)
2458 # define MAX_NAMED_PIPE_SIZE 65535
2459 #endif
2460 
2461 /* Options for json_encode() and json_decode. */
2462 #define JSON_JS		1   /* use JS instead of JSON */
2463 #define JSON_NO_NONE	2   /* v:none item not allowed */
2464 #define JSON_NL		4   /* append a NL */
2465 
2466 /* Used for flags of do_in_path() */
2467 #define DIP_ALL	    0x01	/* all matches, not just the first one */
2468 #define DIP_DIR	    0x02	/* find directories instead of files. */
2469 #define DIP_ERR	    0x04	/* give an error message when none found. */
2470 #define DIP_START   0x08	/* also use "start" directory in 'packpath' */
2471 #define DIP_OPT	    0x10	/* also use "opt" directory in 'packpath' */
2472 #define DIP_NORTP   0x20	/* do not use 'runtimepath' */
2473 #define DIP_NOAFTER 0x40	/* skip "after" directories */
2474 #define DIP_AFTER   0x80	/* only use "after" directories */
2475 
2476 /* Lowest number used for window ID. Cannot have this many windows. */
2477 #define LOWEST_WIN_ID 1000
2478 
2479 /* Used by the garbage collector. */
2480 #define COPYID_INC 2
2481 #define COPYID_MASK (~0x1)
2482 
2483 /* Values for trans_function_name() argument: */
2484 #define TFN_INT		1	/* internal function name OK */
2485 #define TFN_QUIET	2	/* no error messages */
2486 #define TFN_NO_AUTOLOAD	4	/* do not use script autoloading */
2487 #define TFN_NO_DEREF	8	/* do not dereference a Funcref */
2488 #define TFN_READ_ONLY	16	/* will not change the var */
2489 
2490 /* Values for get_lval() flags argument: */
2491 #define GLV_QUIET	TFN_QUIET	/* no error messages */
2492 #define GLV_NO_AUTOLOAD	TFN_NO_AUTOLOAD	/* do not use script autoloading */
2493 #define GLV_READ_ONLY	TFN_READ_ONLY	/* will not change the var */
2494 
2495 #define DO_NOT_FREE_CNT 99999	/* refcount for dict or list that should not
2496 				   be freed. */
2497 
2498 /* errors for when calling a function */
2499 #define ERROR_UNKNOWN	0
2500 #define ERROR_TOOMANY	1
2501 #define ERROR_TOOFEW	2
2502 #define ERROR_SCRIPT	3
2503 #define ERROR_DICT	4
2504 #define ERROR_NONE	5
2505 #define ERROR_OTHER	6
2506 #define ERROR_DELETED	7
2507 
2508 /* flags for find_name_end() */
2509 #define FNE_INCL_BR	1	/* include [] in name */
2510 #define FNE_CHECK_START	2	/* check name starts with valid character */
2511 
2512 /* BSD is supposed to cover FreeBSD and similar systems. */
2513 #if (defined(SUN_SYSTEM) || defined(BSD) || defined(__FreeBSD_kernel__)) \
2514 	&& (defined(S_ISCHR) || defined(S_IFCHR))
2515 # define OPEN_CHR_FILES
2516 #endif
2517 
2518 /* stat macros */
2519 #ifndef S_ISDIR
2520 # ifdef S_IFDIR
2521 #  define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
2522 # else
2523 #  define S_ISDIR(m)	0
2524 # endif
2525 #endif
2526 #ifndef S_ISREG
2527 # ifdef S_IFREG
2528 #  define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)
2529 # else
2530 #  define S_ISREG(m)	0
2531 # endif
2532 #endif
2533 #ifndef S_ISBLK
2534 # ifdef S_IFBLK
2535 #  define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)
2536 # else
2537 #  define S_ISBLK(m)	0
2538 # endif
2539 #endif
2540 #ifndef S_ISSOCK
2541 # ifdef S_IFSOCK
2542 #  define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK)
2543 # else
2544 #  define S_ISSOCK(m)	0
2545 # endif
2546 #endif
2547 #ifndef S_ISFIFO
2548 # ifdef S_IFIFO
2549 #  define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)
2550 # else
2551 #  define S_ISFIFO(m)	0
2552 # endif
2553 #endif
2554 #ifndef S_ISCHR
2555 # ifdef S_IFCHR
2556 #  define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)
2557 # else
2558 #  define S_ISCHR(m)	0
2559 # endif
2560 #endif
2561 #ifndef S_ISLNK
2562 # ifdef S_IFLNK
2563 #  define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)
2564 # else
2565 #  define S_ISLNK(m)	0
2566 # endif
2567 #endif
2568 
2569 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
2570 # define ELAPSED_TIMEVAL
2571 # define ELAPSED_INIT(v) gettimeofday(&v, NULL)
2572 # define ELAPSED_FUNC(v) elapsed(&v)
2573 typedef struct timeval elapsed_T;
2574 long elapsed(struct timeval *start_tv);
2575 #elif defined(MSWIN)
2576 # define ELAPSED_TICKCOUNT
2577 # define ELAPSED_INIT(v) v = GetTickCount()
2578 # define ELAPSED_FUNC(v) elapsed(v)
2579 # ifdef PROTO
2580 typedef int DWORD;
2581 # endif
2582 typedef DWORD elapsed_T;
2583 # ifndef PROTO
2584 long elapsed(DWORD start_tick);
2585 # endif
2586 #endif
2587 
2588 /* Replacement for nchar used by nv_replace(). */
2589 #define REPLACE_CR_NCHAR    -1
2590 #define REPLACE_NL_NCHAR    -2
2591 
2592 /* flags for term_start() */
2593 #define TERM_START_NOJOB	1
2594 #define TERM_START_FORCEIT	2
2595 #define TERM_START_SYSTEM	4
2596 
2597 // Used for icon/title save and restore.
2598 #define SAVE_RESTORE_TITLE	1
2599 #define SAVE_RESTORE_ICON	2
2600 #define SAVE_RESTORE_BOTH	(SAVE_RESTORE_TITLE | SAVE_RESTORE_ICON)
2601 
2602 #endif /* VIM__H */
2603