xref: /vim-8.2.3635/src/vim.h (revision 147e7d0c)
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 /* use fastcall for Borland, when compiling for Win32 */
15 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
16 #if defined(FEAT_PERL) || \
17     defined(FEAT_PYTHON) || \
18     defined(FEAT_PYTHON3) || \
19     defined(FEAT_RUBY) || \
20     defined(FEAT_TCL) || \
21     defined(FEAT_MZSCHEME) || \
22     defined(DYNAMIC_GETTEXT) || \
23     defined(DYNAMIC_ICONV) || \
24     defined(DYNAMIC_IME) || \
25     defined(XPM)
26   #pragma option -pc
27 # else
28   #pragma option -pr
29 # endif
30 #endif
31 
32 #if defined(WIN32) || defined(_WIN64)
33 # include "vimio.h"
34 #endif
35 
36 /* ============ the header file puzzle (ca. 50-100 pieces) ========= */
37 
38 #ifdef HAVE_CONFIG_H	/* GNU autoconf (or something else) was here */
39 # include "auto/config.h"
40 # define HAVE_PATHDEF
41 
42 /*
43  * Check if configure correctly managed to find sizeof(int).  If this failed,
44  * it becomes zero.  This is likely a problem of not being able to run the
45  * test program.  Other items from configure may also be wrong then!
46  */
47 # if (VIM_SIZEOF_INT == 0)
48     Error: configure did not run properly.  Check auto/config.log.
49 # endif
50 
51 /*
52  * Cygwin may have fchdir() in a newer release, but in most versions it
53  * doesn't work well and avoiding it keeps the binary backward compatible.
54  */
55 # if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
56 #  undef HAVE_FCHDIR
57 # endif
58 
59 /* We may need to define the uint32_t on non-Unix system, but using the same
60  * identifier causes conflicts.  Therefore use UINT32_T. */
61 # define UINT32_TYPEDEF uint32_t
62 #endif
63 
64 #if !defined(UINT32_TYPEDEF)
65 # if defined(uint32_t)  /* this doesn't catch typedefs, unfortunately */
66 #  define UINT32_TYPEDEF uint32_t
67 # else
68   /* Fall back to assuming unsigned int is 32 bit.  If this is wrong then the
69    * test in blowfish.c will fail. */
70 #  define UINT32_TYPEDEF unsigned int
71 # endif
72 #endif
73 
74 /* user ID of root is usually zero, but not for everybody */
75 #ifdef __TANDEM
76 # ifndef _TANDEM_SOURCE
77 #  define _TANDEM_SOURCE
78 # endif
79 # include <floss.h>
80 # define ROOT_UID 65535
81 # define OLDXAW
82 # if (_TANDEM_ARCH_ == 2 && __H_Series_RVU >= 621)
83 #  define SA_ONSTACK_COMPATIBILITY
84 # endif
85 #else
86 # define ROOT_UID 0
87 #endif
88 
89 /*
90  * MACOS_X	    compiling for Mac OS X
91  * MACOS_X_DARWIN   integrating the darwin feature into MACOS_X
92  */
93 #if defined(MACOS_X_DARWIN) && !defined(MACOS_X)
94 # define MACOS_X
95 #endif
96 /* Unless made through the Makefile enforce GUI on Mac */
97 #if defined(MACOS_X) && !defined(HAVE_CONFIG_H)
98 # define UNIX
99 # define FEAT_GUI_MAC
100 #endif
101 
102 #if defined(FEAT_GUI_MOTIF) \
103     || defined(FEAT_GUI_GTK) \
104     || defined(FEAT_GUI_ATHENA) \
105     || defined(FEAT_GUI_MAC) \
106     || defined(FEAT_GUI_W32) \
107     || defined(FEAT_GUI_PHOTON)
108 # define FEAT_GUI_ENABLED  /* also defined with NO_X11_INCLUDES */
109 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
110 #  define FEAT_GUI
111 # endif
112 #endif
113 
114 /* Check support for rendering options */
115 #ifdef FEAT_GUI
116 # if defined(FEAT_DIRECTX)
117 #  define FEAT_RENDER_OPTIONS
118 # endif
119 #endif
120 
121 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
122 #if _MSC_VER >= 1400
123 # define _CRT_SECURE_NO_DEPRECATE
124 # define _CRT_NONSTDC_NO_DEPRECATE
125 #endif
126 
127 #if defined(FEAT_GUI_W32)
128 # define FEAT_GUI_MSWIN
129 #endif
130 #if defined(WIN32) || defined(_WIN64)
131 # define MSWIN
132 #endif
133 /* Practically everything is common to both Win32 and Win64 */
134 #if defined(WIN32) || defined(_WIN64)
135 # define WIN3264
136 #endif
137 
138 /*
139  * VIM_SIZEOF_INT is used in feature.h, and the system-specific included files
140  * need items from feature.h.  Therefore define VIM_SIZEOF_INT here.
141  */
142 #ifdef WIN3264
143 # define VIM_SIZEOF_INT 4
144 #endif
145 
146 #ifdef AMIGA
147   /* Be conservative about sizeof(int). It could be 4 too. */
148 # ifndef FEAT_GUI_GTK	/* avoid problems when generating prototypes */
149 #  ifdef __GNUC__
150 #   define VIM_SIZEOF_INT	4
151 #  else
152 #   define VIM_SIZEOF_INT	2
153 #  endif
154 # endif
155 #endif
156 #if defined(MACOS_X) && !defined(HAVE_CONFIG_H)
157 #  define VIM_SIZEOF_INT __SIZEOF_INT__
158 #endif
159 
160 /*
161  * #defines for optionals and features
162  * Also defines FEAT_TINY, FEAT_SMALL, etc. when FEAT_HUGE is defined.
163  */
164 #include "feature.h"
165 
166 #if defined(MACOS_X_DARWIN)
167 # if defined(FEAT_SMALL) && !defined(FEAT_CLIPBOARD)
168 #  define FEAT_CLIPBOARD
169 # endif
170 # if defined(FEAT_SMALL) && !defined(FEAT_MOUSE)
171 #  define FEAT_MOUSE
172 # endif
173 #endif
174 
175 /* +x11 is only enabled when it's both available and wanted. */
176 #if defined(HAVE_X11) && defined(WANT_X11)
177 # define FEAT_X11
178 #endif
179 
180 #ifdef NO_X11_INCLUDES
181     /* In os_mac_conv.c and os_macosx.m NO_X11_INCLUDES is defined to avoid
182      * X11 headers.  Disable all X11 related things to avoid conflicts. */
183 # ifdef FEAT_X11
184 #  undef FEAT_X11
185 # endif
186 # ifdef FEAT_GUI_X11
187 #  undef FEAT_GUI_X11
188 # endif
189 # ifdef FEAT_XCLIPBOARD
190 #  undef FEAT_XCLIPBOARD
191 # endif
192 # ifdef FEAT_GUI_MOTIF
193 #  undef FEAT_GUI_MOTIF
194 # endif
195 # ifdef FEAT_GUI_ATHENA
196 #  undef FEAT_GUI_ATHENA
197 # endif
198 # ifdef FEAT_GUI_GTK
199 #  undef FEAT_GUI_GTK
200 # endif
201 # ifdef FEAT_BEVAL_TIP
202 #  undef FEAT_BEVAL_TIP
203 # endif
204 # ifdef FEAT_XIM
205 #  undef FEAT_XIM
206 # endif
207 # ifdef FEAT_CLIENTSERVER
208 #  undef FEAT_CLIENTSERVER
209 # endif
210 #endif
211 
212 /* The Mac conversion stuff doesn't work under X11. */
213 #if defined(FEAT_MBYTE) && defined(MACOS_X_DARWIN)
214 # define MACOS_CONVERT
215 #endif
216 
217 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
218 #ifndef VIMPACKAGE
219 # define VIMPACKAGE	"vim"
220 #endif
221 
222 /*
223  * Find out if function definitions should include argument types
224  */
225 #ifdef AZTEC_C
226 # include <functions.h>
227 #endif
228 
229 #ifdef SASC
230 # include <clib/exec_protos.h>
231 #endif
232 
233 #ifdef _DCC
234 # include <clib/exec_protos.h>
235 #endif
236 
237 #ifdef __BEOS__
238 # include "os_beos.h"
239 #endif
240 
241 #if (defined(UNIX) || defined(VMS)) \
242 	&& (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
243 # include "os_unix.h"	    /* bring lots of system header files */
244 #endif
245 
246 /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
247  * can be used to check for mistakes. */
248 #ifdef HAVE_ATTRIBUTE_UNUSED
249 # define UNUSED __attribute__((unused))
250 #else
251 # define UNUSED
252 #endif
253 
254 /* Used to check for "sun", "__sun" is used by newer compilers. */
255 #if defined(__sun)
256 # define SUN_SYSTEM
257 #endif
258 
259 /* if we're compiling in C++ (currently only KVim), the system
260  * headers must have the correct prototypes or nothing will build.
261  * conversely, our prototypes might clash due to throw() specifiers and
262  * cause compilation failures even though the headers are correct.  For
263  * a concrete example, gcc-3.2 enforces exception specifications, and
264  * glibc-2.2.5 has them in their system headers.
265  */
266 #if !defined(__cplusplus) && defined(UNIX) \
267   && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
268 # include "auto/osdef.h"	/* bring missing declarations in */
269 #endif
270 
271 #ifdef AMIGA
272 # include "os_amiga.h"
273 #endif
274 
275 #ifdef WIN3264
276 # include "os_win32.h"
277 #endif
278 
279 #ifdef __MINT__
280 # include "os_mint.h"
281 #endif
282 
283 #if defined(MACOS_X)
284 # include "os_mac.h"
285 #endif
286 
287 #ifdef __QNX__
288 # include "os_qnx.h"
289 #endif
290 
291 #ifdef X_LOCALE
292 # include <X11/Xlocale.h>
293 #else
294 # ifdef HAVE_LOCALE_H
295 #  include <locale.h>
296 # endif
297 #endif
298 
299 /*
300  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
301  * on the safe side.  But not too long to put on the stack.
302  */
303 #ifndef MAXPATHL
304 # ifdef MAXPATHLEN
305 #  define MAXPATHL  MAXPATHLEN
306 # else
307 #  define MAXPATHL  256
308 # endif
309 #endif
310 #ifdef BACKSLASH_IN_FILENAME
311 # define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`%#'\"|!<")
312 #else
313 # ifdef VMS
314     /* VMS allows a lot of characters in the file name */
315 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'\"|!")
316 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'|!()&")
317 # else
318 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<")
319 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<>();&")
320 # endif
321 #endif
322 
323 /* length of a buffer to store a number in ASCII (64 bits binary + NUL) */
324 #define NUMBUFLEN 65
325 
326 /* flags for vim_str2nr() */
327 #define STR2NR_BIN 1
328 #define STR2NR_OCT 2
329 #define STR2NR_HEX 4
330 #define STR2NR_ALL (STR2NR_BIN + STR2NR_OCT + STR2NR_HEX)
331 #define STR2NR_FORCE 8 /* only when ONE of the above is used */
332 
333 /*
334  * Shorthand for unsigned variables. Many systems, but not all, have u_char
335  * already defined, so we use char_u to avoid trouble.
336  */
337 typedef unsigned char	char_u;
338 typedef unsigned short	short_u;
339 typedef unsigned int	int_u;
340 
341 /* Older systems do not have support for long long
342  * use a typedef instead of hadcoded long long */
343 #ifdef HAVE_NO_LONG_LONG
344  typedef long long_long_T;
345  typedef long unsigned long_long_u_T;
346 #else
347  typedef long long long_long_T;
348  typedef long long unsigned long_long_u_T;
349 #endif
350 
351 /* Make sure long_u is big enough to hold a pointer.
352  * On Win64, longs are 32 bits and pointers are 64 bits.
353  * For printf() and scanf(), we need to take care of long_u specifically. */
354 #ifdef _WIN64
355 typedef unsigned __int64	long_u;
356 typedef		 __int64	long_i;
357 # define SCANF_HEX_LONG_U       "%Ix"
358 # define SCANF_DECIMAL_LONG_U   "%Iu"
359 # define PRINTF_HEX_LONG_U      "0x%Ix"
360 #else
361   /* Microsoft-specific. The __w64 keyword should be specified on any typedefs
362    * that change size between 32-bit and 64-bit platforms.  For any such type,
363    * __w64 should appear only on the 32-bit definition of the typedef.
364    * Define __w64 as an empty token for everything but MSVC 7.x or later.
365    */
366 # if !defined(_MSC_VER)	|| (_MSC_VER < 1300)
367 #  define __w64
368 # endif
369 typedef unsigned long __w64	long_u;
370 typedef		 long __w64     long_i;
371 # define SCANF_HEX_LONG_U       "%lx"
372 # define SCANF_DECIMAL_LONG_U   "%lu"
373 # define PRINTF_HEX_LONG_U      "0x%lx"
374 #endif
375 #define PRINTF_DECIMAL_LONG_U SCANF_DECIMAL_LONG_U
376 
377 /*
378  * Only systems which use configure will have SIZEOF_OFF_T and VIM_SIZEOF_LONG
379  * defined, which is ok since those are the same systems which can have
380  * varying sizes for off_t.  The other systems will continue to use "%ld" to
381  * print off_t since off_t is simply a typedef to long for them.
382  */
383 #if defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T > VIM_SIZEOF_LONG)
384 # define LONG_LONG_OFF_T
385 #endif
386 
387 /*
388  * We use 64-bit file functions here, if available.  E.g. ftello() returns
389  * off_t instead of long, which helps if long is 32 bit and off_t is 64 bit.
390  * We assume that when fseeko() is available then ftello() is too.
391  * Note that Windows has different function names.
392  */
393 #if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__)
394 typedef __int64 off_T;
395 # ifdef __MINGW32__
396 #  define vim_lseek lseek64
397 #  define vim_fseek fseeko64
398 #  define vim_ftell ftello64
399 # else
400 #  define vim_lseek _lseeki64
401 #  define vim_fseek _fseeki64
402 #  define vim_ftell _ftelli64
403 # endif
404 #else
405 # ifdef PROTO
406 typedef long off_T;
407 # else
408 typedef off_t off_T;
409 # endif
410 # ifdef HAVE_FSEEKO
411 #  define vim_lseek lseek
412 #  define vim_ftell ftello
413 #  define vim_fseek fseeko
414 # else
415 #  define vim_lseek lseek
416 #  define vim_ftell ftell
417 #  define vim_fseek(a, b, c)	fseek(a, (long)b, c)
418 # endif
419 #endif
420 
421 /*
422  * The characters and attributes cached for the screen.
423  */
424 typedef char_u schar_T;
425 typedef unsigned short sattr_T;
426 #define MAX_TYPENR 65535
427 
428 /*
429  * The u8char_T can hold one decoded UTF-8 character.
430  * We normally use 32 bits now, since some Asian characters don't fit in 16
431  * bits.  u8char_T is only used for displaying, it could be 16 bits to save
432  * memory.
433  */
434 #ifdef FEAT_MBYTE
435 # ifdef UNICODE16
436 typedef unsigned short u8char_T;    /* short should be 16 bits */
437 # else
438 #  if VIM_SIZEOF_INT >= 4
439 typedef unsigned int u8char_T;	    /* int is 32 bits */
440 #  else
441 typedef unsigned long u8char_T;	    /* long should be 32 bits or more */
442 #  endif
443 # endif
444 #endif
445 
446 #ifndef UNIX		    /* For Unix this is included in os_unix.h */
447 # include <stdio.h>
448 # include <ctype.h>
449 #endif
450 
451 #include "ascii.h"
452 #include "keymap.h"
453 #include "term.h"
454 #include "macros.h"
455 
456 #ifdef LATTICE
457 # include <sys/types.h>
458 # include <sys/stat.h>
459 #endif
460 #ifdef _DCC
461 # include <sys/stat.h>
462 #endif
463 #if defined(MSWIN)
464 # include <sys/stat.h>
465 #endif
466 
467 #if defined(HAVE_ERRNO_H) \
468 	|| defined(WIN32) || defined(_WIN64)
469 # include <errno.h>
470 #endif
471 
472 /* for INT_MAX et al. */
473 #include <limits.h>
474 
475 /*
476  * Allow other (non-unix) systems to configure themselves now
477  * These are also in os_unix.h, because osdef.sh needs them there.
478  */
479 #ifndef UNIX
480 /* Note: Some systems need both string.h and strings.h (Savage).  If the
481  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
482 # ifdef HAVE_STRING_H
483 #  include <string.h>
484 # endif
485 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
486 #  include <strings.h>
487 # endif
488 # ifdef HAVE_STAT_H
489 #  include <stat.h>
490 # endif
491 # ifdef HAVE_STDLIB_H
492 #  include <stdlib.h>
493 # endif
494 #endif /* NON-UNIX */
495 
496 #include <assert.h>
497 
498 #ifdef HAVE_STDINT_H
499 # include <stdint.h>
500 #endif
501 #ifdef HAVE_INTTYPES_H
502 # include <inttypes.h>
503 #endif
504 #ifdef HAVE_WCTYPE_H
505 # include <wctype.h>
506 #endif
507 #include <stdarg.h>
508 
509 /* for offsetof() */
510 #include <stddef.h>
511 
512 #if defined(HAVE_SYS_SELECT_H) && \
513 	(!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
514 # include <sys/select.h>
515 #endif
516 
517 #ifndef HAVE_SELECT
518 # ifdef HAVE_SYS_POLL_H
519 #  include <sys/poll.h>
520 # elif defined(WIN32)
521 #  define HAVE_SELECT
522 # else
523 #  ifdef HAVE_POLL_H
524 #   include <poll.h>
525 #  endif
526 # endif
527 #endif
528 
529 /* ================ end of the header file puzzle =============== */
530 
531 /*
532  * For dynamically loaded imm library. Currently, only for Win32.
533  */
534 #ifdef DYNAMIC_IME
535 # ifndef FEAT_MBYTE_IME
536 #  define FEAT_MBYTE_IME
537 # endif
538 #endif
539 
540 /*
541  * For dynamically loaded gettext library.  Currently, only for Win32.
542  */
543 #ifdef DYNAMIC_GETTEXT
544 # ifndef FEAT_GETTEXT
545 #  define FEAT_GETTEXT
546 # endif
547 /* These are in os_win32.c */
548 extern char *(*dyn_libintl_gettext)(const char *msgid);
549 extern char *(*dyn_libintl_ngettext)(const char *msgid, const char *msgid_plural, unsigned long n);
550 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
551 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
552 extern char *(*dyn_libintl_textdomain)(const char *domainname);
553 extern int (*dyn_libintl_putenv)(const char *envstring);
554 #endif
555 
556 
557 /*
558  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
559  * found or the +multilang feature is disabled.
560  * Use NGETTEXT(single, multi, number) to get plural behavior:
561  * - single - message for singular form
562  * - multi  - message for plural form
563  * - number - the count
564  */
565 #ifdef FEAT_GETTEXT
566 # ifdef DYNAMIC_GETTEXT
567 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
568 #  define NGETTEXT(x, xs, n) (*dyn_libintl_ngettext)((char *)(x), (char *)(xs), (n))
569 #  define N_(x) x
570 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
571 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
572 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
573 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
574 #  endif
575 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
576 #  define libintl_putenv(envstring) (*dyn_libintl_putenv)(envstring)
577 #  define libintl_wputenv(envstring) (*dyn_libintl_wputenv)(envstring)
578 # else
579 #  include <libintl.h>
580 #  define _(x) gettext((char *)(x))
581 #  define NGETTEXT(x, xs, n) ngettext((x), (xs), (n))
582 #  ifdef gettext_noop
583 #   define N_(x) gettext_noop(x)
584 #  else
585 #   define N_(x) x
586 #  endif
587 # endif
588 #else
589 # define _(x) ((char *)(x))
590 # define NGETTEXT(x, xs, n) (((n) == 1) ? (char *)(x) : (char *)(xs))
591 # define N_(x) x
592 # ifdef bindtextdomain
593 #  undef bindtextdomain
594 # endif
595 # define bindtextdomain(x, y) /* empty */
596 # ifdef bind_textdomain_codeset
597 #  undef bind_textdomain_codeset
598 # endif
599 # define bind_textdomain_codeset(x, y) /* empty */
600 # ifdef textdomain
601 #  undef textdomain
602 # endif
603 # define textdomain(x) /* empty */
604 #endif
605 
606 /*
607  * flags for update_screen()
608  * The higher the value, the higher the priority
609  */
610 #define VALID_NO_UPDATE		 5  /* no new changes, keep the command line if
611 				       possible */
612 #define VALID			10  /* buffer not changed, or changes marked
613 				       with b_mod_* */
614 #define INVERTED		20  /* redisplay inverted part that changed */
615 #define INVERTED_ALL		25  /* redisplay whole inverted part */
616 #define REDRAW_TOP		30  /* display first w_upd_rows screen lines */
617 #define SOME_VALID		35  /* like NOT_VALID but may scroll */
618 #define NOT_VALID		40  /* buffer needs complete redraw */
619 #define CLEAR			50  /* screen messed up, clear it */
620 
621 /*
622  * Flags for w_valid.
623  * These are set when something in a window structure becomes invalid, except
624  * when the cursor is moved.  Call check_cursor_moved() before testing one of
625  * the flags.
626  * These are reset when that thing has been updated and is valid again.
627  *
628  * Every function that invalidates one of these must call one of the
629  * invalidate_* functions.
630  *
631  * w_valid is supposed to be used only in screen.c.  From other files, use the
632  * functions that set or reset the flags.
633  *
634  * VALID_BOTLINE    VALID_BOTLINE_AP
635  *     on		on		w_botline valid
636  *     off		on		w_botline approximated
637  *     off		off		w_botline not valid
638  *     on		off		not possible
639  */
640 #define VALID_WROW	0x01	/* w_wrow (window row) is valid */
641 #define VALID_WCOL	0x02	/* w_wcol (window col) is valid */
642 #define VALID_VIRTCOL	0x04	/* w_virtcol (file col) is valid */
643 #define VALID_CHEIGHT	0x08	/* w_cline_height and w_cline_folded valid */
644 #define VALID_CROW	0x10	/* w_cline_row is valid */
645 #define VALID_BOTLINE	0x20	/* w_botine and w_empty_rows are valid */
646 #define VALID_BOTLINE_AP 0x40	/* w_botine is approximated */
647 #define VALID_TOPLINE	0x80	/* w_topline is valid (for cursor position) */
648 
649 /*
650  * Terminal highlighting attribute bits.
651  * Attributes above HL_ALL are used for syntax highlighting.
652  */
653 #define HL_NORMAL		0x00
654 #define HL_INVERSE		0x01
655 #define HL_BOLD			0x02
656 #define HL_ITALIC		0x04
657 #define HL_UNDERLINE		0x08
658 #define HL_UNDERCURL		0x10
659 #define HL_STANDOUT		0x20
660 #define HL_NOCOMBINE		0x40
661 #define HL_STRIKETHROUGH	0x80
662 #define HL_ALL			0xff
663 
664 /* special attribute addition: Put message in history */
665 #define MSG_HIST		0x1000
666 
667 /*
668  * values for State
669  *
670  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
671  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
672  * these bits are set, no mapping is done.
673  * The upper bits are used to distinguish between other states.
674  */
675 #define NORMAL		0x01	/* Normal mode, command expected */
676 #define VISUAL		0x02	/* Visual mode - use get_real_state() */
677 #define OP_PENDING	0x04	/* Normal mode, operator is pending - use
678 				   get_real_state() */
679 #define CMDLINE		0x08	/* Editing command line */
680 #define INSERT		0x10	/* Insert mode */
681 #define LANGMAP		0x20	/* Language mapping, can be combined with
682 				   INSERT and CMDLINE */
683 
684 #define REPLACE_FLAG	0x40	/* Replace mode flag */
685 #define REPLACE		(REPLACE_FLAG + INSERT)
686 #define VREPLACE_FLAG	0x80	/* Virtual-replace mode flag */
687 #define VREPLACE	(REPLACE_FLAG + VREPLACE_FLAG + INSERT)
688 #define LREPLACE	(REPLACE_FLAG + LANGMAP)
689 
690 #define NORMAL_BUSY	(0x100 + NORMAL) /* Normal mode, busy with a command */
691 #define HITRETURN	(0x200 + NORMAL) /* waiting for return or command */
692 #define ASKMORE		0x300	/* Asking if you want --more-- */
693 #define SETWSIZE	0x400	/* window size has changed */
694 #define ABBREV		0x500	/* abbreviation instead of mapping */
695 #define EXTERNCMD	0x600	/* executing an external command */
696 #define SHOWMATCH	(0x700 + INSERT) /* show matching paren */
697 #define CONFIRM		0x800	/* ":confirm" prompt */
698 #define SELECTMODE	0x1000	/* Select mode, only for mappings */
699 #define TERMINAL        0x2000  /* Terminal mode */
700 
701 /* all mode bits used for mapping */
702 #define MAP_ALL_MODES	(0x3f | SELECTMODE | TERMINAL)
703 
704 /* directions */
705 #define FORWARD			1
706 #define BACKWARD		(-1)
707 #define FORWARD_FILE		3
708 #define BACKWARD_FILE		(-3)
709 
710 /* return values for functions */
711 #if !(defined(OK) && (OK == 1))
712 /* OK already defined to 1 in MacOS X curses, skip this */
713 # define OK			1
714 #endif
715 #define FAIL			0
716 #define NOTDONE			2   /* not OK or FAIL but skipped */
717 
718 /* flags for b_flags */
719 #define BF_RECOVERED	0x01	/* buffer has been recovered */
720 #define BF_CHECK_RO	0x02	/* need to check readonly when loading file
721 				   into buffer (set by ":e", may be reset by
722 				   ":buf" */
723 #define BF_NEVERLOADED	0x04	/* file has never been loaded into buffer,
724 				   many variables still need to be set */
725 #define BF_NOTEDITED	0x08	/* Set when file name is changed after
726 				   starting to edit, reset when file is
727 				   written out. */
728 #define BF_NEW		0x10	/* file didn't exist when editing started */
729 #define BF_NEW_W	0x20	/* Warned for BF_NEW and file created */
730 #define BF_READERR	0x40	/* got errors while reading the file */
731 #define BF_DUMMY	0x80	/* dummy buffer, only used internally */
732 #define BF_PRESERVED	0x100	/* ":preserve" was used */
733 
734 /* Mask to check for flags that prevent normal writing */
735 #define BF_WRITE_MASK	(BF_NOTEDITED + BF_NEW + BF_READERR)
736 
737 /*
738  * values for xp_context when doing command line completion
739  */
740 #define EXPAND_UNSUCCESSFUL	(-2)
741 #define EXPAND_OK		(-1)
742 #define EXPAND_NOTHING		0
743 #define EXPAND_COMMANDS		1
744 #define EXPAND_FILES		2
745 #define EXPAND_DIRECTORIES	3
746 #define EXPAND_SETTINGS		4
747 #define EXPAND_BOOL_SETTINGS	5
748 #define EXPAND_TAGS		6
749 #define EXPAND_OLD_SETTING	7
750 #define EXPAND_HELP		8
751 #define EXPAND_BUFFERS		9
752 #define EXPAND_EVENTS		10
753 #define EXPAND_MENUS		11
754 #define EXPAND_SYNTAX		12
755 #define EXPAND_HIGHLIGHT	13
756 #define EXPAND_AUGROUP		14
757 #define EXPAND_USER_VARS	15
758 #define EXPAND_MAPPINGS		16
759 #define EXPAND_TAGS_LISTFILES	17
760 #define EXPAND_FUNCTIONS	18
761 #define EXPAND_USER_FUNC	19
762 #define EXPAND_EXPRESSION	20
763 #define EXPAND_MENUNAMES	21
764 #define EXPAND_USER_COMMANDS	22
765 #define EXPAND_USER_CMD_FLAGS	23
766 #define EXPAND_USER_NARGS	24
767 #define EXPAND_USER_COMPLETE	25
768 #define EXPAND_ENV_VARS		26
769 #define EXPAND_LANGUAGE		27
770 #define EXPAND_COLORS		28
771 #define EXPAND_COMPILER		29
772 #define EXPAND_USER_DEFINED	30
773 #define EXPAND_USER_LIST	31
774 #define EXPAND_SHELLCMD		32
775 #define EXPAND_CSCOPE		33
776 #define EXPAND_SIGN		34
777 #define EXPAND_PROFILE		35
778 #define EXPAND_BEHAVE		36
779 #define EXPAND_FILETYPE		37
780 #define EXPAND_FILES_IN_PATH	38
781 #define EXPAND_OWNSYNTAX	39
782 #define EXPAND_LOCALES		40
783 #define EXPAND_HISTORY		41
784 #define EXPAND_USER		42
785 #define EXPAND_SYNTIME		43
786 #define EXPAND_USER_ADDR_TYPE	44
787 #define EXPAND_PACKADD		45
788 #define EXPAND_MESSAGES		46
789 #define EXPAND_MAPCLEAR		47
790 #define EXPAND_ARGLIST		48
791 
792 /* Values for exmode_active (0 is no exmode) */
793 #define EXMODE_NORMAL		1
794 #define EXMODE_VIM		2
795 
796 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
797 #define WILD_FREE		1
798 #define WILD_EXPAND_FREE	2
799 #define WILD_EXPAND_KEEP	3
800 #define WILD_NEXT		4
801 #define WILD_PREV		5
802 #define WILD_ALL		6
803 #define WILD_LONGEST		7
804 #define WILD_ALL_KEEP		8
805 
806 #define WILD_LIST_NOTFOUND	0x01
807 #define WILD_HOME_REPLACE	0x02
808 #define WILD_USE_NL		0x04
809 #define WILD_NO_BEEP		0x08
810 #define WILD_ADD_SLASH		0x10
811 #define WILD_KEEP_ALL		0x20
812 #define WILD_SILENT		0x40
813 #define WILD_ESCAPE		0x80
814 #define WILD_ICASE		0x100
815 #define WILD_ALLLINKS		0x200
816 
817 /* Flags for expand_wildcards() */
818 #define EW_DIR		0x01	/* include directory names */
819 #define EW_FILE		0x02	/* include file names */
820 #define EW_NOTFOUND	0x04	/* include not found names */
821 #define EW_ADDSLASH	0x08	/* append slash to directory name */
822 #define EW_KEEPALL	0x10	/* keep all matches */
823 #define EW_SILENT	0x20	/* don't print "1 returned" from shell */
824 #define EW_EXEC		0x40	/* executable files */
825 #define EW_PATH		0x80	/* search in 'path' too */
826 #define EW_ICASE	0x100	/* ignore case */
827 #define EW_NOERROR	0x200	/* no error for bad regexp */
828 #define EW_NOTWILD	0x400	/* add match with literal name if exists */
829 #define EW_KEEPDOLLAR	0x800	/* do not escape $, $var is expanded */
830 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
831  * is used when executing commands and EW_SILENT for interactive expanding. */
832 #define EW_ALLLINKS	0x1000	/* also links not pointing to existing file */
833 #define EW_SHELLCMD	0x2000	/* called from expand_shellcmd(), don't check
834 				 * if executable is in $PATH */
835 #define EW_DODOT	0x4000	/* also files starting with a dot */
836 #define EW_EMPTYOK	0x8000	/* no matches is not an error */
837 
838 /* Flags for find_file_*() functions. */
839 #define FINDFILE_FILE	0	/* only files */
840 #define FINDFILE_DIR	1	/* only directories */
841 #define FINDFILE_BOTH	2	/* files and directories */
842 
843 #define W_ENDCOL(wp)	(wp->w_wincol + wp->w_width)
844 #ifdef FEAT_MENU
845 # define W_WINROW(wp)	(wp->w_winrow + wp->w_winbar_height)
846 #else
847 # define W_WINROW(wp)	(wp->w_winrow)
848 #endif
849 
850 #ifdef NO_EXPANDPATH
851 # define gen_expand_wildcards mch_expand_wildcards
852 #endif
853 
854 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
855 #define FIND_ANY	1
856 #define FIND_DEFINE	2
857 #define CHECK_PATH	3
858 
859 #define ACTION_SHOW	1
860 #define ACTION_GOTO	2
861 #define ACTION_SPLIT	3
862 #define ACTION_SHOW_ALL	4
863 #ifdef FEAT_INS_EXPAND
864 # define ACTION_EXPAND	5
865 #endif
866 
867 #ifdef FEAT_SYN_HL
868 # define SST_MIN_ENTRIES 150	/* minimal size for state stack array */
869 # define SST_MAX_ENTRIES 1000	/* maximal size for state stack array */
870 # define SST_FIX_STATES	 7	/* size of sst_stack[]. */
871 # define SST_DIST	 16	/* normal distance between entries */
872 # define SST_INVALID	(synstate_T *)-1	/* invalid syn_state pointer */
873 
874 # define HL_CONTAINED	0x01	/* not used on toplevel */
875 # define HL_TRANSP	0x02	/* has no highlighting	*/
876 # define HL_ONELINE	0x04	/* match within one line only */
877 # define HL_HAS_EOL	0x08	/* end pattern that matches with $ */
878 # define HL_SYNC_HERE	0x10	/* sync point after this item (syncing only) */
879 # define HL_SYNC_THERE	0x20	/* sync point at current line (syncing only) */
880 # define HL_MATCH	0x40	/* use match ID instead of item ID */
881 # define HL_SKIPNL	0x80	/* nextgroup can skip newlines */
882 # define HL_SKIPWHITE	0x100	/* nextgroup can skip white space */
883 # define HL_SKIPEMPTY	0x200	/* nextgroup can skip empty lines */
884 # define HL_KEEPEND	0x400	/* end match always kept */
885 # define HL_EXCLUDENL	0x800	/* exclude NL from match */
886 # define HL_DISPLAY	0x1000	/* only used for displaying, not syncing */
887 # define HL_FOLD	0x2000	/* define fold */
888 # define HL_EXTEND	0x4000	/* ignore a keepend */
889 # define HL_MATCHCONT	0x8000	/* match continued from previous line */
890 # define HL_TRANS_CONT	0x10000 /* transparent item without contains arg */
891 # define HL_CONCEAL	0x20000 /* can be concealed */
892 # define HL_CONCEALENDS	0x40000 /* can be concealed */
893 #endif
894 
895 /* Values for 'options' argument in do_search() and searchit() */
896 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
897 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
898 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
899 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
900 #define SEARCH_OPT    0x10  /* interpret optional flags */
901 #define SEARCH_HIS    0x20  /* put search pattern in history */
902 #define SEARCH_END    0x40  /* put cursor at end of match */
903 #define SEARCH_NOOF   0x80  /* don't add offset to position */
904 #define SEARCH_START 0x100  /* start search without col offset */
905 #define SEARCH_MARK  0x200  /* set previous context mark */
906 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
907 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
908 #define SEARCH_COL  0x1000  /* start at specified column instead of zero */
909 
910 /* Values for find_ident_under_cursor() */
911 #define FIND_IDENT	1	/* find identifier (word) */
912 #define FIND_STRING	2	/* find any string (WORD) */
913 #define FIND_EVAL	4	/* include "->", "[]" and "." */
914 
915 /* Values for file_name_in_line() */
916 #define FNAME_MESS	1	/* give error message */
917 #define FNAME_EXP	2	/* expand to path */
918 #define FNAME_HYP	4	/* check for hypertext link */
919 #define FNAME_INCL	8	/* apply 'includeexpr' */
920 #define FNAME_REL	16	/* ".." and "./" are relative to the (current)
921 				   file instead of the current directory */
922 #define FNAME_UNESC	32	/* remove backslashes used for escaping */
923 
924 /* Values for buflist_getfile() */
925 #define GETF_SETMARK	0x01	/* set pcmark before jumping */
926 #define GETF_ALT	0x02	/* jumping to alternate file (not buf num) */
927 #define GETF_SWITCH	0x04	/* respect 'switchbuf' settings when jumping */
928 
929 /* Return values of getfile() */
930 #define GETFILE_ERROR	    1	/* normal error */
931 #define GETFILE_NOT_WRITTEN 2	/* "not written" error */
932 #define GETFILE_SAME_FILE   0	/* success, same file */
933 #define GETFILE_OPEN_OTHER -1	/* success, opened another file */
934 #define GETFILE_UNUSED	    8
935 #define GETFILE_SUCCESS(x)  ((x) <= 0)
936 
937 /* Values for buflist_new() flags */
938 #define BLN_CURBUF	1	/* may re-use curbuf for new buffer */
939 #define BLN_LISTED	2	/* put new buffer in buffer list */
940 #define BLN_DUMMY	4	/* allocating dummy buffer */
941 #define BLN_NEW		8	/* create a new buffer */
942 #define BLN_NOOPT	16	/* don't copy options to existing buffer */
943 #define BLN_DUMMY_OK	32	/* also find an existing dummy buffer */
944 
945 /* Values for in_cinkeys() */
946 #define KEY_OPEN_FORW	0x101
947 #define KEY_OPEN_BACK	0x102
948 #define KEY_COMPLETE	0x103	/* end of completion */
949 
950 /* Values for "noremap" argument of ins_typebuf().  Also used for
951  * map->m_noremap and menu->noremap[]. */
952 #define REMAP_YES	0	/* allow remapping */
953 #define REMAP_NONE	-1	/* no remapping */
954 #define REMAP_SCRIPT	-2	/* remap script-local mappings only */
955 #define REMAP_SKIP	-3	/* no remapping for first char */
956 
957 /* Values for mch_call_shell() second argument */
958 #define SHELL_FILTER	1	/* filtering text */
959 #define SHELL_EXPAND	2	/* expanding wildcards */
960 #define SHELL_COOKED	4	/* set term to cooked mode */
961 #define SHELL_DOOUT	8	/* redirecting output */
962 #define SHELL_SILENT	16	/* don't print error returned by command */
963 #define SHELL_READ	32	/* read lines and insert into buffer */
964 #define SHELL_WRITE	64	/* write lines from buffer */
965 
966 /* Values returned by mch_nodetype() */
967 #define NODE_NORMAL	0	/* file or directory, check with mch_isdir()*/
968 #define NODE_WRITABLE	1	/* something we can write to (character
969 				   device, fifo, socket, ..) */
970 #define NODE_OTHER	2	/* non-writable thing (e.g., block device) */
971 
972 /* Values for readfile() flags */
973 #define READ_NEW	0x01	/* read a file into a new buffer */
974 #define READ_FILTER	0x02	/* read filter output */
975 #define READ_STDIN	0x04	/* read from stdin */
976 #define READ_BUFFER	0x08	/* read from curbuf (converting stdin) */
977 #define READ_DUMMY	0x10	/* reading into a dummy buffer */
978 #define READ_KEEP_UNDO	0x20	/* keep undo info */
979 #define READ_FIFO	0x40	/* read from fifo or socket */
980 
981 /* Values for change_indent() */
982 #define INDENT_SET	1	/* set indent */
983 #define INDENT_INC	2	/* increase indent */
984 #define INDENT_DEC	3	/* decrease indent */
985 
986 /* Values for flags argument for findmatchlimit() */
987 #define FM_BACKWARD	0x01	/* search backwards */
988 #define FM_FORWARD	0x02	/* search forwards */
989 #define FM_BLOCKSTOP	0x04	/* stop at start/end of block */
990 #define FM_SKIPCOMM	0x08	/* skip comments */
991 
992 /* Values for action argument for do_buffer() */
993 #define DOBUF_GOTO	0	/* go to specified buffer */
994 #define DOBUF_SPLIT	1	/* split window and go to specified buffer */
995 #define DOBUF_UNLOAD	2	/* unload specified buffer(s) */
996 #define DOBUF_DEL	3	/* delete specified buffer(s) from buflist */
997 #define DOBUF_WIPE	4	/* delete specified buffer(s) really */
998 
999 /* Values for start argument for do_buffer() */
1000 #define DOBUF_CURRENT	0	/* "count" buffer from current buffer */
1001 #define DOBUF_FIRST	1	/* "count" buffer from first buffer */
1002 #define DOBUF_LAST	2	/* "count" buffer from last buffer */
1003 #define DOBUF_MOD	3	/* "count" mod. buffer from current buffer */
1004 
1005 /* Values for sub_cmd and which_pat argument for search_regcomp() */
1006 /* Also used for which_pat argument for searchit() */
1007 #define RE_SEARCH	0	/* save/use pat in/from search_pattern */
1008 #define RE_SUBST	1	/* save/use pat in/from subst_pattern */
1009 #define RE_BOTH		2	/* save pat in both patterns */
1010 #define RE_LAST		2	/* use last used pattern if "pat" is NULL */
1011 
1012 /* Second argument for vim_regcomp(). */
1013 #define RE_MAGIC	1	/* 'magic' option */
1014 #define RE_STRING	2	/* match in string instead of buffer text */
1015 #define RE_STRICT	4	/* don't allow [abc] without ] */
1016 #define RE_AUTO		8	/* automatic engine selection */
1017 
1018 #ifdef FEAT_SYN_HL
1019 /* values for reg_do_extmatch */
1020 # define REX_SET	1	/* to allow \z\(...\), */
1021 # define REX_USE	2	/* to allow \z\1 et al. */
1022 # define REX_ALL	(REX_SET | REX_USE)
1023 #endif
1024 
1025 /* Return values for fullpathcmp() */
1026 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
1027 #define FPC_SAME	1	/* both exist and are the same file. */
1028 #define FPC_DIFF	2	/* both exist and are different files. */
1029 #define FPC_NOTX	4	/* both don't exist. */
1030 #define FPC_DIFFX	6	/* one of them doesn't exist. */
1031 #define FPC_SAMEX	7	/* both don't exist and file names are same. */
1032 
1033 /* flags for do_ecmd() */
1034 #define ECMD_HIDE	0x01	/* don't free the current buffer */
1035 #define ECMD_SET_HELP	0x02	/* set b_help flag of (new) buffer before
1036 				   opening file */
1037 #define ECMD_OLDBUF	0x04	/* use existing buffer if it exists */
1038 #define ECMD_FORCEIT	0x08	/* ! used in Ex command */
1039 #define ECMD_ADDBUF	0x10	/* don't edit, just add to buffer list */
1040 
1041 /* for lnum argument in do_ecmd() */
1042 #define ECMD_LASTL	(linenr_T)0	/* use last position in loaded file */
1043 #define ECMD_LAST	(linenr_T)-1	/* use last position in all files */
1044 #define ECMD_ONE	(linenr_T)1	/* use first line */
1045 
1046 /* flags for do_cmdline() */
1047 #define DOCMD_VERBOSE	0x01	/* included command in error message */
1048 #define DOCMD_NOWAIT	0x02	/* don't call wait_return() and friends */
1049 #define DOCMD_REPEAT	0x04	/* repeat exec. until getline() returns NULL */
1050 #define DOCMD_KEYTYPED	0x08	/* don't reset KeyTyped */
1051 #define DOCMD_EXCRESET	0x10	/* reset exception environment (for debugging)*/
1052 #define DOCMD_KEEPLINE  0x20	/* keep typed line for repeating with "." */
1053 
1054 /* flags for beginline() */
1055 #define BL_WHITE	1	/* cursor on first non-white in the line */
1056 #define BL_SOL		2	/* use 'sol' option */
1057 #define BL_FIX		4	/* don't leave cursor on a NUL */
1058 
1059 /* flags for mf_sync() */
1060 #define MFS_ALL		1	/* also sync blocks with negative numbers */
1061 #define MFS_STOP	2	/* stop syncing when a character is available */
1062 #define MFS_FLUSH	4	/* flushed file to disk */
1063 #define MFS_ZERO	8	/* only write block 0 */
1064 
1065 /* flags for buf_copy_options() */
1066 #define BCO_ENTER	1	/* going to enter the buffer */
1067 #define BCO_ALWAYS	2	/* always copy the options */
1068 #define BCO_NOHELP	4	/* don't touch the help related options */
1069 
1070 /* flags for do_put() */
1071 #define PUT_FIXINDENT	1	/* make indent look nice */
1072 #define PUT_CURSEND	2	/* leave cursor after end of new text */
1073 #define PUT_CURSLINE	4	/* leave cursor on last line of new text */
1074 #define PUT_LINE	8	/* put register as lines */
1075 #define PUT_LINE_SPLIT	16	/* split line for linewise register */
1076 #define PUT_LINE_FORWARD 32	/* put linewise register below Visual sel. */
1077 
1078 /* flags for set_indent() */
1079 #define SIN_CHANGED	1	/* call changed_bytes() when line changed */
1080 #define SIN_INSERT	2	/* insert indent before existing text */
1081 #define SIN_UNDO	4	/* save line for undo before changing it */
1082 
1083 /* flags for insertchar() */
1084 #define INSCHAR_FORMAT	1	/* force formatting */
1085 #define INSCHAR_DO_COM	2	/* format comments */
1086 #define INSCHAR_CTRLV	4	/* char typed just after CTRL-V */
1087 #define INSCHAR_NO_FEX	8	/* don't use 'formatexpr' */
1088 #define INSCHAR_COM_LIST 16	/* format comments with list/2nd line indent */
1089 
1090 /* flags for open_line() */
1091 #define OPENLINE_DELSPACES  1	/* delete spaces after cursor */
1092 #define OPENLINE_DO_COM	    2	/* format comments */
1093 #define OPENLINE_KEEPTRAIL  4	/* keep trailing spaces */
1094 #define OPENLINE_MARKFIX    8	/* fix mark positions */
1095 #define OPENLINE_COM_LIST  16	/* format comments with list/2nd line indent */
1096 
1097 /*
1098  * There are five history tables:
1099  */
1100 #define HIST_CMD	0	/* colon commands */
1101 #define HIST_SEARCH	1	/* search commands */
1102 #define HIST_EXPR	2	/* expressions (from entering = register) */
1103 #define HIST_INPUT	3	/* input() lines */
1104 #define HIST_DEBUG	4	/* debug commands */
1105 #define HIST_COUNT	5	/* number of history tables */
1106 
1107 /* The type numbers are fixed for backwards compatibility. */
1108 #define BARTYPE_VERSION 1
1109 #define BARTYPE_HISTORY 2
1110 #define BARTYPE_REGISTER 3
1111 #define BARTYPE_MARK 4
1112 
1113 #define VIMINFO_VERSION 4
1114 #define VIMINFO_VERSION_WITH_HISTORY 2
1115 #define VIMINFO_VERSION_WITH_REGISTERS 3
1116 #define VIMINFO_VERSION_WITH_MARKS 4
1117 
1118 typedef enum {
1119     BVAL_NR,
1120     BVAL_STRING,
1121     BVAL_EMPTY
1122 } btype_T;
1123 
1124 typedef struct {
1125     btype_T	bv_type;
1126     long	bv_nr;
1127     char_u	*bv_string;
1128     int		bv_len;		/* length of bv_string */
1129     int		bv_allocated;	/* bv_string was allocated */
1130 } bval_T;
1131 
1132 /*
1133  * Values for do_tag().
1134  */
1135 #define DT_TAG		1	/* jump to newer position or same tag again */
1136 #define DT_POP		2	/* jump to older position */
1137 #define DT_NEXT		3	/* jump to next match of same tag */
1138 #define DT_PREV		4	/* jump to previous match of same tag */
1139 #define DT_FIRST	5	/* jump to first match of same tag */
1140 #define DT_LAST		6	/* jump to first match of same tag */
1141 #define DT_SELECT	7	/* jump to selection from list */
1142 #define DT_HELP		8	/* like DT_TAG, but no wildcards */
1143 #define DT_JUMP		9	/* jump to new tag or selection from list */
1144 #define DT_CSCOPE	10	/* cscope find command (like tjump) */
1145 #define DT_LTAG		11	/* tag using location list */
1146 #define DT_FREE		99	/* free cached matches */
1147 
1148 /*
1149  * flags for find_tags().
1150  */
1151 #define TAG_HELP	1	/* only search for help tags */
1152 #define TAG_NAMES	2	/* only return name of tag */
1153 #define	TAG_REGEXP	4	/* use tag pattern as regexp */
1154 #define	TAG_NOIC	8	/* don't always ignore case */
1155 #ifdef FEAT_CSCOPE
1156 # define TAG_CSCOPE	16	/* cscope tag */
1157 #endif
1158 #define TAG_VERBOSE	32	/* message verbosity */
1159 #define TAG_INS_COMP	64	/* Currently doing insert completion */
1160 #define TAG_KEEP_LANG	128	/* keep current language */
1161 
1162 #define TAG_MANY	300	/* When finding many tags (for completion),
1163 				   find up to this many tags */
1164 
1165 /*
1166  * Types of dialogs passed to do_vim_dialog().
1167  */
1168 #define VIM_GENERIC	0
1169 #define VIM_ERROR	1
1170 #define VIM_WARNING	2
1171 #define VIM_INFO	3
1172 #define VIM_QUESTION	4
1173 #define VIM_LAST_TYPE	4	/* sentinel value */
1174 
1175 /*
1176  * Return values for functions like gui_yesnocancel()
1177  */
1178 #define VIM_YES		2
1179 #define VIM_NO		3
1180 #define VIM_CANCEL	4
1181 #define VIM_ALL		5
1182 #define VIM_DISCARDALL  6
1183 
1184 /*
1185  * arguments for win_split()
1186  */
1187 #define WSP_ROOM	1	/* require enough room */
1188 #define WSP_VERT	2	/* split vertically */
1189 #define WSP_TOP		4	/* window at top-left of shell */
1190 #define WSP_BOT		8	/* window at bottom-right of shell */
1191 #define WSP_HELP	16	/* creating the help window */
1192 #define WSP_BELOW	32	/* put new window below/right */
1193 #define WSP_ABOVE	64	/* put new window above/left */
1194 #define WSP_NEWLOC	128	/* don't copy location list */
1195 
1196 /*
1197  * arguments for gui_set_shellsize()
1198  */
1199 #define RESIZE_VERT	1	/* resize vertically */
1200 #define RESIZE_HOR	2	/* resize horizontally */
1201 #define RESIZE_BOTH	15	/* resize in both directions */
1202 
1203 /*
1204  * flags for check_changed()
1205  */
1206 #define CCGD_AW		1	/* do autowrite if buffer was changed */
1207 #define CCGD_MULTWIN	2	/* check also when several wins for the buf */
1208 #define CCGD_FORCEIT	4	/* ! used */
1209 #define CCGD_ALLBUF	8	/* may write all buffers */
1210 #define CCGD_EXCMD	16	/* may suggest using ! */
1211 
1212 /*
1213  * "flags" values for option-setting functions.
1214  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1215  * values, get local value.
1216  */
1217 #define OPT_FREE	1	/* free old value if it was allocated */
1218 #define OPT_GLOBAL	2	/* use global value */
1219 #define OPT_LOCAL	4	/* use local value */
1220 #define OPT_MODELINE	8	/* option in modeline */
1221 #define OPT_WINONLY	16	/* only set window-local options */
1222 #define OPT_NOWIN	32	/* don't set window-local options */
1223 
1224 /* Magic chars used in confirm dialog strings */
1225 #define DLG_BUTTON_SEP	'\n'
1226 #define DLG_HOTKEY_CHAR	'&'
1227 
1228 /* Values for "starting" */
1229 #define NO_SCREEN	2	/* no screen updating yet */
1230 #define NO_BUFFERS	1	/* not all buffers loaded yet */
1231 /*			0	   not starting anymore */
1232 
1233 /* Values for swap_exists_action: what to do when swap file already exists */
1234 #define SEA_NONE	0	/* don't use dialog */
1235 #define SEA_DIALOG	1	/* use dialog when possible */
1236 #define SEA_QUIT	2	/* quit editing the file */
1237 #define SEA_RECOVER	3	/* recover the file */
1238 
1239 /*
1240  * Minimal size for block 0 of a swap file.
1241  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1242  * because struct block0 is defined in memline.c (Sorry).
1243  * The maximal block size is arbitrary.
1244  */
1245 #define MIN_SWAP_PAGE_SIZE 1048
1246 #define MAX_SWAP_PAGE_SIZE 50000
1247 
1248 /* Special values for current_sctx.sc_sid. */
1249 #define SID_MODELINE	-1	/* when using a modeline */
1250 #define SID_CMDARG	-2	/* for "--cmd" argument */
1251 #define SID_CARG	-3	/* for "-c" argument */
1252 #define SID_ENV		-4	/* for sourcing environment variable */
1253 #define SID_ERROR	-5	/* option was reset because of an error */
1254 #define SID_NONE	-6	/* don't set scriptID */
1255 
1256 /*
1257  * Events for autocommands.
1258  */
1259 enum auto_event
1260 {
1261     EVENT_BUFADD = 0,		// after adding a buffer to the buffer list
1262     EVENT_BUFDELETE,		// deleting a buffer from the buffer list
1263     EVENT_BUFENTER,		// after entering a buffer
1264     EVENT_BUFFILEPOST,		// after renaming a buffer
1265     EVENT_BUFFILEPRE,		// before renaming a buffer
1266     EVENT_BUFHIDDEN,		// just after buffer becomes hidden
1267     EVENT_BUFLEAVE,		// before leaving a buffer
1268     EVENT_BUFNEW,		// after creating any buffer
1269     EVENT_BUFNEWFILE,		// when creating a buffer for a new file
1270     EVENT_BUFREADCMD,		// read buffer using command
1271     EVENT_BUFREADPOST,		// after reading a buffer
1272     EVENT_BUFREADPRE,		// before reading a buffer
1273     EVENT_BUFUNLOAD,		// just before unloading a buffer
1274     EVENT_BUFWINENTER,		// after showing a buffer in a window
1275     EVENT_BUFWINLEAVE,		// just after buffer removed from window
1276     EVENT_BUFWIPEOUT,		// just before really deleting a buffer
1277     EVENT_BUFWRITECMD,		// write buffer using command
1278     EVENT_BUFWRITEPOST,		// after writing a buffer
1279     EVENT_BUFWRITEPRE,		// before writing a buffer
1280     EVENT_CMDLINECHANGED,	// command line was modified
1281     EVENT_CMDLINEENTER,		// after entering the command line
1282     EVENT_CMDLINELEAVE,		// before leaving the command line
1283     EVENT_CMDUNDEFINED,		// command undefined
1284     EVENT_CMDWINENTER,		// after entering the cmdline window
1285     EVENT_CMDWINLEAVE,		// before leaving the cmdline window
1286     EVENT_COLORSCHEME,		// after loading a colorscheme
1287     EVENT_COLORSCHEMEPRE,	// before loading a colorscheme
1288     EVENT_COMPLETEDONE,		// after finishing insert complete
1289     EVENT_CURSORHOLD,		// cursor in same position for a while
1290     EVENT_CURSORHOLDI,		// idem, in Insert mode
1291     EVENT_CURSORMOVED,		// cursor was moved
1292     EVENT_CURSORMOVEDI,		// cursor was moved in Insert mode
1293     EVENT_DIFFUPDATED,		// after diffs were updated
1294     EVENT_DIRCHANGED,		// after user changed directory
1295     EVENT_ENCODINGCHANGED,	// after changing the 'encoding' option
1296     EVENT_EXITPRE,		// before exiting
1297     EVENT_FILEAPPENDCMD,	// append to a file using command
1298     EVENT_FILEAPPENDPOST,	// after appending to a file
1299     EVENT_FILEAPPENDPRE,	// before appending to a file
1300     EVENT_FILECHANGEDRO,	// before first change to read-only file
1301     EVENT_FILECHANGEDSHELL,	// after shell command that changed file
1302     EVENT_FILECHANGEDSHELLPOST,	// after (not) reloading changed file
1303     EVENT_FILEREADCMD,		// read from a file using command
1304     EVENT_FILEREADPOST,		// after reading a file
1305     EVENT_FILEREADPRE,		// before reading a file
1306     EVENT_FILETYPE,		// new file type detected (user defined)
1307     EVENT_FILEWRITECMD,		// write to a file using command
1308     EVENT_FILEWRITEPOST,	// after writing a file
1309     EVENT_FILEWRITEPRE,		// before writing a file
1310     EVENT_FILTERREADPOST,	// after reading from a filter
1311     EVENT_FILTERREADPRE,	// before reading from a filter
1312     EVENT_FILTERWRITEPOST,	// after writing to a filter
1313     EVENT_FILTERWRITEPRE,	// before writing to a filter
1314     EVENT_FOCUSGAINED,		// got the focus
1315     EVENT_FOCUSLOST,		// lost the focus to another app
1316     EVENT_FUNCUNDEFINED,	// if calling a function which doesn't exist
1317     EVENT_GUIENTER,		// after starting the GUI
1318     EVENT_GUIFAILED,		// after starting the GUI failed
1319     EVENT_INSERTCHANGE,		// when changing Insert/Replace mode
1320     EVENT_INSERTCHARPRE,	// before inserting a char
1321     EVENT_INSERTENTER,		// when entering Insert mode
1322     EVENT_INSERTLEAVE,		// when leaving Insert mode
1323     EVENT_MENUPOPUP,		// just before popup menu is displayed
1324     EVENT_OPTIONSET,		// option was set
1325     EVENT_QUICKFIXCMDPOST,	// after :make, :grep etc.
1326     EVENT_QUICKFIXCMDPRE,	// before :make, :grep etc.
1327     EVENT_QUITPRE,		// before :quit
1328     EVENT_REMOTEREPLY,		// upon string reception from a remote vim
1329     EVENT_SESSIONLOADPOST,	// after loading a session file
1330     EVENT_SHELLCMDPOST,		// after ":!cmd"
1331     EVENT_SHELLFILTERPOST,	// after ":1,2!cmd", ":w !cmd", ":r !cmd".
1332     EVENT_SOURCECMD,		// sourcing a Vim script using command
1333     EVENT_SOURCEPRE,		// before sourcing a Vim script
1334     EVENT_SOURCEPOST,		// after sourcing a Vim script
1335     EVENT_SPELLFILEMISSING,	// spell file missing
1336     EVENT_STDINREADPOST,	// after reading from stdin
1337     EVENT_STDINREADPRE,		// before reading from stdin
1338     EVENT_SWAPEXISTS,		// found existing swap file
1339     EVENT_SYNTAX,		// syntax selected
1340     EVENT_TABCLOSED,		// after closing a tab page
1341     EVENT_TABENTER,		// after entering a tab page
1342     EVENT_TABLEAVE,		// before leaving a tab page
1343     EVENT_TABNEW,		// when entering a new tab page
1344     EVENT_TERMCHANGED,		// after changing 'term'
1345     EVENT_TERMINALOPEN,		// after a terminal buffer was created
1346     EVENT_TERMRESPONSE,		// after setting "v:termresponse"
1347     EVENT_TEXTCHANGED,		// text was modified not in Insert mode
1348     EVENT_TEXTCHANGEDI,         // text was modified in Insert mode
1349     EVENT_TEXTCHANGEDP,         // TextChangedI with popup menu visible
1350     EVENT_TEXTYANKPOST,		// after some text was yanked
1351     EVENT_USER,			// user defined autocommand
1352     EVENT_VIMENTER,		// after starting Vim
1353     EVENT_VIMLEAVE,		// before exiting Vim
1354     EVENT_VIMLEAVEPRE,		// before exiting Vim and writing .viminfo
1355     EVENT_VIMRESIZED,		// after Vim window was resized
1356     EVENT_WINENTER,		// after entering a window
1357     EVENT_WINLEAVE,		// before leaving a window
1358     EVENT_WINNEW,		// when entering a new window
1359 
1360     NUM_EVENTS			// MUST be the last one
1361 };
1362 
1363 typedef enum auto_event event_T;
1364 
1365 /*
1366  * Values for index in highlight_attr[].
1367  * When making changes, also update HL_FLAGS below!  And update the default
1368  * value of 'highlight' in option.c.
1369  */
1370 typedef enum
1371 {
1372     HLF_8 = 0	    /* Meta & special keys listed with ":map", text that is
1373 		       displayed different from what it is */
1374     , HLF_EOB	    /* after the last line in the buffer */
1375     , HLF_AT	    /* @ characters at end of screen, characters that
1376 		       don't really exist in the text */
1377     , HLF_D	    /* directories in CTRL-D listing */
1378     , HLF_E	    /* error messages */
1379     , HLF_H	    /* obsolete, ignored */
1380     , HLF_I	    /* incremental search */
1381     , HLF_L	    /* last search string */
1382     , HLF_M	    /* "--More--" message */
1383     , HLF_CM	    /* Mode (e.g., "-- INSERT --") */
1384     , HLF_N	    /* line number for ":number" and ":#" commands */
1385     , HLF_CLN	    /* current line number */
1386     , HLF_R	    /* return to continue message and yes/no questions */
1387     , HLF_S	    /* status lines */
1388     , HLF_SNC	    /* status lines of not-current windows */
1389     , HLF_C	    /* column to separate vertically split windows */
1390     , HLF_T	    /* Titles for output from ":set all", ":autocmd" etc. */
1391     , HLF_V	    /* Visual mode */
1392     , HLF_VNC	    /* Visual mode, autoselecting and not clipboard owner */
1393     , HLF_W	    /* warning messages */
1394     , HLF_WM	    /* Wildmenu highlight */
1395     , HLF_FL	    /* Folded line */
1396     , HLF_FC	    /* Fold column */
1397     , HLF_ADD	    /* Added diff line */
1398     , HLF_CHD	    /* Changed diff line */
1399     , HLF_DED	    /* Deleted diff line */
1400     , HLF_TXD	    /* Text Changed in diff line */
1401     , HLF_CONCEAL   /* Concealed text */
1402     , HLF_SC	    /* Sign column */
1403     , HLF_SPB	    /* SpellBad */
1404     , HLF_SPC	    /* SpellCap */
1405     , HLF_SPR	    /* SpellRare */
1406     , HLF_SPL	    /* SpellLocal */
1407     , HLF_PNI	    /* popup menu normal item */
1408     , HLF_PSI	    /* popup menu selected item */
1409     , HLF_PSB	    /* popup menu scrollbar */
1410     , HLF_PST	    /* popup menu scrollbar thumb */
1411     , HLF_TP	    /* tabpage line */
1412     , HLF_TPS	    /* tabpage line selected */
1413     , HLF_TPF	    /* tabpage line filler */
1414     , HLF_CUC	    /* 'cursorcolumn' */
1415     , HLF_CUL	    /* 'cursorline' */
1416     , HLF_MC	    /* 'colorcolumn' */
1417     , HLF_QFL	    /* quickfix window line currently selected */
1418     , HLF_ST	    /* status lines of terminal windows */
1419     , HLF_STNC	    /* status lines of not-current terminal windows */
1420     , HLF_COUNT	    /* MUST be the last one */
1421 } hlf_T;
1422 
1423 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1424  * When changing this also adjust the default for 'highlight'. */
1425 #define HL_FLAGS {'8', '~', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1426 		  'n', 'N', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1427 		  'f', 'F', 'A', 'C', 'D', 'T', '-', '>', \
1428 		  'B', 'P', 'R', 'L', \
1429 		  '+', '=', 'x', 'X', '*', '#', '_', '!', '.', 'o', 'q', \
1430 		  'z', 'Z'}
1431 
1432 /*
1433  * Boolean constants
1434  */
1435 #ifndef TRUE
1436 # define FALSE	0	    /* note: this is an int, not a long! */
1437 # define TRUE	1
1438 #endif
1439 
1440 #define MAYBE	2	    /* sometimes used for a variant on TRUE */
1441 
1442 #ifndef UINT32_T
1443 typedef UINT32_TYPEDEF UINT32_T;
1444 #endif
1445 
1446 /*
1447  * Operator IDs; The order must correspond to opchars[] in ops.c!
1448  */
1449 #define OP_NOP		0	/* no pending operation */
1450 #define OP_DELETE	1	/* "d"  delete operator */
1451 #define OP_YANK		2	/* "y"  yank operator */
1452 #define OP_CHANGE	3	/* "c"  change operator */
1453 #define OP_LSHIFT	4	/* "<"  left shift operator */
1454 #define OP_RSHIFT	5	/* ">"  right shift operator */
1455 #define OP_FILTER	6	/* "!"  filter operator */
1456 #define OP_TILDE	7	/* "g~" switch case operator */
1457 #define OP_INDENT	8	/* "="  indent operator */
1458 #define OP_FORMAT	9	/* "gq" format operator */
1459 #define OP_COLON	10	/* ":"  colon operator */
1460 #define OP_UPPER	11	/* "gU" make upper case operator */
1461 #define OP_LOWER	12	/* "gu" make lower case operator */
1462 #define OP_JOIN		13	/* "J"  join operator, only for Visual mode */
1463 #define OP_JOIN_NS	14	/* "gJ"  join operator, only for Visual mode */
1464 #define OP_ROT13	15	/* "g?" rot-13 encoding */
1465 #define OP_REPLACE	16	/* "r"  replace chars, only for Visual mode */
1466 #define OP_INSERT	17	/* "I"  Insert column, only for Visual mode */
1467 #define OP_APPEND	18	/* "A"  Append column, only for Visual mode */
1468 #define OP_FOLD		19	/* "zf" define a fold */
1469 #define OP_FOLDOPEN	20	/* "zo" open folds */
1470 #define OP_FOLDOPENREC	21	/* "zO" open folds recursively */
1471 #define OP_FOLDCLOSE	22	/* "zc" close folds */
1472 #define OP_FOLDCLOSEREC	23	/* "zC" close folds recursively */
1473 #define OP_FOLDDEL	24	/* "zd" delete folds */
1474 #define OP_FOLDDELREC	25	/* "zD" delete folds recursively */
1475 #define OP_FORMAT2	26	/* "gw" format operator, keeps cursor pos */
1476 #define OP_FUNCTION	27	/* "g@" call 'operatorfunc' */
1477 #define OP_NR_ADD	28	/* "<C-A>" Add to the number or alphabetic
1478 				   character (OP_ADD conflicts with Perl) */
1479 #define OP_NR_SUB	29	/* "<C-X>" Subtract from the number or
1480 				   alphabetic character */
1481 
1482 /*
1483  * Motion types, used for operators and for yank/delete registers.
1484  */
1485 #define MCHAR	0		/* character-wise movement/register */
1486 #define MLINE	1		/* line-wise movement/register */
1487 #define MBLOCK	2		/* block-wise register */
1488 
1489 #define MAUTO	0xff		/* Decide between MLINE/MCHAR */
1490 
1491 /*
1492  * Minimum screen size
1493  */
1494 #define MIN_COLUMNS	12	/* minimal columns for screen */
1495 #define MIN_LINES	2	/* minimal lines for screen */
1496 #define STATUS_HEIGHT	1	/* height of a status line under a window */
1497 #ifdef FEAT_MENU		/* height of a status line under a window */
1498 # define WINBAR_HEIGHT(wp)	(wp)->w_winbar_height
1499 # define VISIBLE_HEIGHT(wp)	((wp)->w_height + (wp)->w_winbar_height)
1500 #else
1501 # define WINBAR_HEIGHT(wp)	0
1502 # define VISIBLE_HEIGHT(wp)	(wp)->w_height
1503 #endif
1504 #define QF_WINHEIGHT	10	/* default height for quickfix window */
1505 
1506 /*
1507  * Buffer sizes
1508  */
1509 #ifndef CMDBUFFSIZE
1510 # define CMDBUFFSIZE	256	/* size of the command processing buffer */
1511 #endif
1512 
1513 #define LSIZE	    512		/* max. size of a line in the tags file */
1514 
1515 #define IOSIZE	   (1024+1)	/* file i/o and sprintf buffer size */
1516 
1517 #define DIALOG_MSG_SIZE 1000	/* buffer size for dialog_msg() */
1518 
1519 #ifdef FEAT_MBYTE
1520 # define MSG_BUF_LEN 480	/* length of buffer for small messages */
1521 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1522 					       takes 6 bytes for one cell) */
1523 #else
1524 # define MSG_BUF_LEN 80		/* length of buffer for small messages */
1525 # define MSG_BUF_CLEN  MSG_BUF_LEN	    /* cell length */
1526 #endif
1527 
1528 #define FOLD_TEXT_LEN  51	/* buffer size for get_foldtext() */
1529 
1530 /* Size of the buffer used for tgetent().  Unfortunately this is largely
1531  * undocumented, some systems use 1024.  Using a buffer that is too small
1532  * causes a buffer overrun and a crash.  Use the maximum known value to stay
1533  * on the safe side. */
1534 #define TBUFSZ 2048		/* buffer size for termcap entry */
1535 
1536 /*
1537  * Maximum length of key sequence to be mapped.
1538  * Must be able to hold an Amiga resize report.
1539  */
1540 #define MAXMAPLEN   50
1541 
1542 /* Size in bytes of the hash used in the undo file. */
1543 #define UNDO_HASH_SIZE 32
1544 
1545 #ifdef HAVE_FCNTL_H
1546 # include <fcntl.h>
1547 #endif
1548 
1549 #ifdef BINARY_FILE_IO
1550 # define WRITEBIN   "wb"	/* no CR-LF translation */
1551 # define READBIN    "rb"
1552 # define APPENDBIN  "ab"
1553 #else
1554 # define WRITEBIN   "w"
1555 # define READBIN    "r"
1556 # define APPENDBIN  "a"
1557 #endif
1558 
1559 /*
1560  * EMX doesn't have a global way of making open() use binary I/O.
1561  * Use O_BINARY for all open() calls.
1562  */
1563 #if defined(__CYGWIN32__)
1564 # define O_EXTRA    O_BINARY
1565 #else
1566 # define O_EXTRA    0
1567 #endif
1568 
1569 #ifndef O_NOFOLLOW
1570 # define O_NOFOLLOW 0
1571 #endif
1572 
1573 #ifndef W_OK
1574 # define W_OK 2		/* for systems that don't have W_OK in unistd.h */
1575 #endif
1576 #ifndef R_OK
1577 # define R_OK 4		/* for systems that don't have R_OK in unistd.h */
1578 #endif
1579 
1580 /*
1581  * defines to avoid typecasts from (char_u *) to (char *) and back
1582  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1583  */
1584 #define STRLEN(s)	    strlen((char *)(s))
1585 #define STRCPY(d, s)	    strcpy((char *)(d), (char *)(s))
1586 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1587 #define STRCMP(d, s)	    strcmp((char *)(d), (char *)(s))
1588 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1589 #ifdef HAVE_STRCASECMP
1590 # define STRICMP(d, s)	    strcasecmp((char *)(d), (char *)(s))
1591 #else
1592 # ifdef HAVE_STRICMP
1593 #  define STRICMP(d, s)	    stricmp((char *)(d), (char *)(s))
1594 # else
1595 #  define STRICMP(d, s)	    vim_stricmp((char *)(d), (char *)(s))
1596 # endif
1597 #endif
1598 
1599 /* Like strcpy() but allows overlapped source and destination. */
1600 #define STRMOVE(d, s)	    mch_memmove((d), (s), STRLEN(s) + 1)
1601 
1602 #ifdef HAVE_STRNCASECMP
1603 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1604 #else
1605 # ifdef HAVE_STRNICMP
1606 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1607 # else
1608 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1609 # endif
1610 #endif
1611 
1612 #ifdef FEAT_MBYTE
1613 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1614  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1615  * encodings, including characters with umlauts in latin1, etc., while
1616  * STRICMP() only handles the system locale version, which often does not
1617  * handle non-ascii properly. */
1618 
1619 # define MB_STRICMP(d, s)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1620 # define MB_STRNICMP(d, s, n)	mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1621 #else
1622 # define MB_STRICMP(d, s)	STRICMP((d), (s))
1623 # define MB_STRNICMP(d, s, n)	STRNICMP((d), (s), (n))
1624 #endif
1625 
1626 #define STRCAT(d, s)	    strcat((char *)(d), (char *)(s))
1627 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1628 
1629 #ifdef HAVE_STRPBRK
1630 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1631 #endif
1632 
1633 #define MSG(s)			    msg((char_u *)(s))
1634 #define MSG_ATTR(s, attr)	    msg_attr((char_u *)(s), (attr))
1635 #define OUT_STR(s)		    out_str((char_u *)(s))
1636 #define OUT_STR_NF(s)		    out_str_nf((char_u *)(s))
1637 #define MSG_PUTS(s)		    msg_puts((char_u *)(s))
1638 #define MSG_PUTS_ATTR(s, a)	    msg_puts_attr((char_u *)(s), (a))
1639 #define MSG_PUTS_TITLE(s)	    msg_puts_title((char_u *)(s))
1640 #define MSG_PUTS_LONG(s)	    msg_puts_long_attr((char_u *)(s), 0)
1641 #define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))
1642 
1643 #ifdef FEAT_GUI
1644 # ifdef FEAT_TERMGUICOLORS
1645 #  define GUI_FUNCTION(f)	    (gui.in_use ? gui_##f : termgui_##f)
1646 #  define GUI_FUNCTION2(f, pixel)   (gui.in_use \
1647 				    ?  ((pixel) != INVALCOLOR \
1648 					? gui_##f((pixel)) \
1649 					: INVALCOLOR) \
1650 				    : termgui_##f((pixel)))
1651 #  define USE_24BIT		    (gui.in_use || p_tgc)
1652 # else
1653 #  define GUI_FUNCTION(f)	    gui_##f
1654 #  define GUI_FUNCTION2(f,pixel)    ((pixel) != INVALCOLOR \
1655 				     ? gui_##f((pixel)) \
1656 				     : INVALCOLOR)
1657 #  define USE_24BIT		    gui.in_use
1658 # endif
1659 #else
1660 # ifdef FEAT_TERMGUICOLORS
1661 #  define GUI_FUNCTION(f)	    termgui_##f
1662 #  define GUI_FUNCTION2(f, pixel)   termgui_##f((pixel))
1663 #  define USE_24BIT		    p_tgc
1664 # endif
1665 #endif
1666 #ifdef FEAT_TERMGUICOLORS
1667 # define IS_CTERM		    (t_colors > 1 || p_tgc)
1668 #else
1669 # define IS_CTERM		    (t_colors > 1)
1670 #endif
1671 #ifdef GUI_FUNCTION
1672 # define GUI_MCH_GET_RGB	    GUI_FUNCTION(mch_get_rgb)
1673 # define GUI_MCH_GET_RGB2(pixel)    GUI_FUNCTION2(mch_get_rgb, (pixel))
1674 # define GUI_MCH_GET_COLOR	    GUI_FUNCTION(mch_get_color)
1675 # define GUI_GET_COLOR		    GUI_FUNCTION(get_color)
1676 #endif
1677 
1678 /* Prefer using emsgf(), because perror() may send the output to the wrong
1679  * destination and mess up the screen. */
1680 #ifdef HAVE_STRERROR
1681 # define PERROR(msg)		    (void)semsg("%s: %s", (char *)msg, strerror(errno))
1682 #else
1683 # define PERROR(msg)		    do_perror(msg)
1684 #endif
1685 
1686 typedef long	linenr_T;		/* line number type */
1687 typedef int	colnr_T;		/* column number type */
1688 typedef unsigned short disptick_T;	/* display tick type */
1689 
1690 #define MAXLNUM (0x7fffffffL)		/* maximum (invalid) line number */
1691 
1692 /*
1693  * Well, you won't believe it, but some S/390 machines ("host", now also known
1694  * as zServer) use 31 bit pointers. There are also some newer machines, that
1695  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1696  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1697  * Unix.
1698  * With this we restrict the maximum line length to 1073741823. I guess this is
1699  * not a real problem. BTW:  Longer lines are split.
1700  */
1701 #if VIM_SIZEOF_INT >= 4
1702 # ifdef __MVS__
1703 #  define MAXCOL (0x3fffffffL)		/* maximum column number, 30 bits */
1704 # else
1705 #  define MAXCOL (0x7fffffffL)		/* maximum column number, 31 bits */
1706 # endif
1707 #else
1708 # define MAXCOL	(0x7fff)		/* maximum column number, 15 bits */
1709 #endif
1710 
1711 #define SHOWCMD_COLS 10			/* columns needed by shown command */
1712 #define STL_MAX_ITEM 80			/* max nr of %<flag> in statusline */
1713 
1714 typedef void	    *vim_acl_T;		/* dummy to pass an ACL to a function */
1715 
1716 #ifndef mch_memmove
1717 # define mch_memmove(to, from, len) memmove((char*)(to), (char*)(from), (size_t)(len))
1718 #endif
1719 
1720 /*
1721  * fnamecmp() is used to compare file names.
1722  * On some systems case in a file name does not matter, on others it does.
1723  * (this does not account for maximum name lengths and things like "../dir",
1724  * thus it is not 100% accurate!)
1725  */
1726 #define fnamecmp(x, y) vim_fnamecmp((char_u *)(x), (char_u *)(y))
1727 #define fnamencmp(x, y, n) vim_fnamencmp((char_u *)(x), (char_u *)(y), (size_t)(n))
1728 
1729 #ifdef HAVE_MEMSET
1730 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1731 #else
1732 void *vim_memset(void *, int, size_t);
1733 #endif
1734 
1735 #if defined(UNIX) || defined(FEAT_GUI) || defined(VMS) \
1736 	|| defined(FEAT_CLIENTSERVER)
1737 # define USE_INPUT_BUF
1738 #endif
1739 
1740 #ifndef EINTR
1741 # define read_eintr(fd, buf, count) vim_read((fd), (buf), (count))
1742 # define write_eintr(fd, buf, count) vim_write((fd), (buf), (count))
1743 #endif
1744 
1745 #ifdef MSWIN
1746 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1747  * where sizeof(size_t)==8, not 4 */
1748 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1749 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1750 #else
1751 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1752 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1753 #endif
1754 
1755 /*
1756  * Enums need a typecast to be used as array index (for Ultrix).
1757  */
1758 #define HL_ATTR(n)	highlight_attr[(int)(n)]
1759 #define TERM_STR(n)	term_strings[(int)(n)]
1760 
1761 /*
1762  * EXTERN is only defined in main.c.  That's where global variables are
1763  * actually defined and initialized.
1764  */
1765 #ifndef EXTERN
1766 # define EXTERN extern
1767 # define INIT(x)
1768 #else
1769 # ifndef INIT
1770 #  define INIT(x) x
1771 #  define DO_INIT
1772 #  define COMMA ,
1773 # endif
1774 #endif
1775 
1776 #ifdef FEAT_MBYTE
1777 # define MAX_MCO	6	/* maximum value for 'maxcombine' */
1778 
1779 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1780  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1781  * plus six following composing characters of three bytes each. */
1782 # define MB_MAXBYTES	21
1783 #else
1784 # define MB_MAXBYTES	1
1785 #endif
1786 
1787 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1788 # ifdef WIN3264
1789 typedef LARGE_INTEGER proftime_T;
1790 # else
1791 typedef struct timeval proftime_T;
1792 # endif
1793 #else
1794 typedef int proftime_T;	    /* dummy for function prototypes */
1795 #endif
1796 
1797 /*
1798  * When compiling with 32 bit Perl time_t is 32 bits in the Perl code but 64
1799  * bits elsewhere.  That causes memory corruption.  Define time_T and use it
1800  * for global variables to avoid that.
1801  */
1802 #ifdef PROTO
1803 typedef long  time_T;
1804 #else
1805 # ifdef WIN3264
1806 typedef __time64_t  time_T;
1807 # else
1808 typedef time_t	    time_T;
1809 # endif
1810 #endif
1811 
1812 #ifdef _WIN64
1813 typedef __int64 sock_T;
1814 #else
1815 typedef int sock_T;
1816 #endif
1817 
1818 /* Include option.h before structs.h, because the number of window-local and
1819  * buffer-local options is used there. */
1820 #include "option.h"	/* options and default values */
1821 
1822 #include "beval.h"	/* BalloonEval */
1823 
1824 /* Note that gui.h is included by structs.h */
1825 
1826 #include "structs.h"	/* defines many structures */
1827 
1828 #include "alloc.h"
1829 
1830 /* Values for "do_profiling". */
1831 #define PROF_NONE	0	/* profiling not started */
1832 #define PROF_YES	1	/* profiling busy */
1833 #define PROF_PAUSED	2	/* profiling paused */
1834 
1835 #ifdef FEAT_MOUSE
1836 
1837 /* Codes for mouse button events in lower three bits: */
1838 # define MOUSE_LEFT	0x00
1839 # define MOUSE_MIDDLE	0x01
1840 # define MOUSE_RIGHT	0x02
1841 # define MOUSE_RELEASE	0x03
1842 
1843 /* bit masks for modifiers: */
1844 # define MOUSE_SHIFT	0x04
1845 # define MOUSE_ALT	0x08
1846 # define MOUSE_CTRL	0x10
1847 
1848 /* mouse buttons that are handled like a key press (GUI only) */
1849 /* Note that the scroll wheel keys are inverted: MOUSE_5 scrolls lines up but
1850  * the result of this is that the window moves down, similarly MOUSE_6 scrolls
1851  * columns left but the window moves right. */
1852 # define MOUSE_4	0x100	/* scroll wheel down */
1853 # define MOUSE_5	0x200	/* scroll wheel up */
1854 
1855 # define MOUSE_X1	0x300 /* Mouse-button X1 (6th) */
1856 # define MOUSE_X2	0x400 /* Mouse-button X2 */
1857 
1858 # define MOUSE_6	0x500	/* scroll wheel left */
1859 # define MOUSE_7	0x600	/* scroll wheel right */
1860 
1861 /* 0x20 is reserved by xterm */
1862 # define MOUSE_DRAG_XTERM   0x40
1863 
1864 # define MOUSE_DRAG	(0x40 | MOUSE_RELEASE)
1865 
1866 /* Lowest button code for using the mouse wheel (xterm only) */
1867 # define MOUSEWHEEL_LOW		0x60
1868 
1869 # define MOUSE_CLICK_MASK	0x03
1870 
1871 # define NUM_MOUSE_CLICKS(code) \
1872     (((unsigned)((code) & 0xC0) >> 6) + 1)
1873 
1874 # define SET_NUM_MOUSE_CLICKS(code, num) \
1875     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1876 
1877 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1878  * window by simulating a click on its status line.  We could use up to 128 *
1879  * 128 = 16384 columns, now it's reduced to 10000. */
1880 # define MOUSE_COLOFF 10000
1881 
1882 /*
1883  * jump_to_mouse() returns one of first four these values, possibly with
1884  * some of the other three added.
1885  */
1886 # define IN_UNKNOWN		0
1887 # define IN_BUFFER		1
1888 # define IN_STATUS_LINE		2	/* on status or command line */
1889 # define IN_SEP_LINE		4	/* on vertical separator line */
1890 # define IN_OTHER_WIN		8	/* in other window but can't go there */
1891 # define CURSOR_MOVED		0x100
1892 # define MOUSE_FOLD_CLOSE	0x200	/* clicked on '-' in fold column */
1893 # define MOUSE_FOLD_OPEN	0x400	/* clicked on '+' in fold column */
1894 # define MOUSE_WINBAR		0x800	/* in window toolbar */
1895 
1896 /* flags for jump_to_mouse() */
1897 # define MOUSE_FOCUS		0x01	/* need to stay in this window */
1898 # define MOUSE_MAY_VIS		0x02	/* may start Visual mode */
1899 # define MOUSE_DID_MOVE		0x04	/* only act when mouse has moved */
1900 # define MOUSE_SETPOS		0x08	/* only set current mouse position */
1901 # define MOUSE_MAY_STOP_VIS	0x10	/* may stop Visual mode */
1902 # define MOUSE_RELEASED		0x20	/* button was released */
1903 
1904 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1905 #  define CHECK_DOUBLE_CLICK 1	/* Checking for double clicks ourselves. */
1906 # endif
1907 
1908 #endif /* FEAT_MOUSE */
1909 
1910 /* defines for eval_vars() */
1911 #define VALID_PATH		1
1912 #define VALID_HEAD		2
1913 
1914 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1915 #define VV_COUNT	0
1916 #define VV_COUNT1	1
1917 #define VV_PREVCOUNT	2
1918 #define VV_ERRMSG	3
1919 #define VV_WARNINGMSG	4
1920 #define VV_STATUSMSG	5
1921 #define VV_SHELL_ERROR	6
1922 #define VV_THIS_SESSION	7
1923 #define VV_VERSION	8
1924 #define VV_LNUM		9
1925 #define VV_TERMRESPONSE	10
1926 #define VV_FNAME	11
1927 #define VV_LANG		12
1928 #define VV_LC_TIME	13
1929 #define VV_CTYPE	14
1930 #define VV_CC_FROM	15
1931 #define VV_CC_TO	16
1932 #define VV_FNAME_IN	17
1933 #define VV_FNAME_OUT	18
1934 #define VV_FNAME_NEW	19
1935 #define VV_FNAME_DIFF	20
1936 #define VV_CMDARG	21
1937 #define VV_FOLDSTART	22
1938 #define VV_FOLDEND	23
1939 #define VV_FOLDDASHES	24
1940 #define VV_FOLDLEVEL	25
1941 #define VV_PROGNAME	26
1942 #define VV_SEND_SERVER	27
1943 #define VV_DYING	28
1944 #define VV_EXCEPTION	29
1945 #define VV_THROWPOINT	30
1946 #define VV_REG		31
1947 #define VV_CMDBANG	32
1948 #define VV_INSERTMODE	33
1949 #define VV_VAL		34
1950 #define VV_KEY		35
1951 #define VV_PROFILING	36
1952 #define VV_FCS_REASON	37
1953 #define VV_FCS_CHOICE	38
1954 #define VV_BEVAL_BUFNR	39
1955 #define VV_BEVAL_WINNR	40
1956 #define VV_BEVAL_WINID	41
1957 #define VV_BEVAL_LNUM	42
1958 #define VV_BEVAL_COL	43
1959 #define VV_BEVAL_TEXT	44
1960 #define VV_SCROLLSTART	45
1961 #define VV_SWAPNAME	46
1962 #define VV_SWAPCHOICE	47
1963 #define VV_SWAPCOMMAND	48
1964 #define VV_CHAR		49
1965 #define VV_MOUSE_WIN	50
1966 #define VV_MOUSE_WINID	51
1967 #define VV_MOUSE_LNUM   52
1968 #define VV_MOUSE_COL	53
1969 #define VV_OP		54
1970 #define VV_SEARCHFORWARD 55
1971 #define VV_HLSEARCH	56
1972 #define VV_OLDFILES	57
1973 #define VV_WINDOWID	58
1974 #define VV_PROGPATH	59
1975 #define VV_COMPLETED_ITEM 60
1976 #define VV_OPTION_NEW   61
1977 #define VV_OPTION_OLD   62
1978 #define VV_OPTION_TYPE  63
1979 #define VV_ERRORS	64
1980 #define VV_FALSE	65
1981 #define VV_TRUE		66
1982 #define VV_NULL		67
1983 #define VV_NONE		68
1984 #define VV_VIM_DID_ENTER 69
1985 #define VV_TESTING	70
1986 #define VV_TYPE_NUMBER	71
1987 #define VV_TYPE_STRING	72
1988 #define VV_TYPE_FUNC	73
1989 #define VV_TYPE_LIST	74
1990 #define VV_TYPE_DICT	75
1991 #define VV_TYPE_FLOAT	76
1992 #define VV_TYPE_BOOL	77
1993 #define VV_TYPE_NONE	78
1994 #define VV_TYPE_JOB	79
1995 #define VV_TYPE_CHANNEL	80
1996 #define VV_TYPE_BLOB	81
1997 #define VV_TERMRFGRESP	82
1998 #define VV_TERMRBGRESP	83
1999 #define VV_TERMU7RESP	84
2000 #define VV_TERMSTYLERESP 85
2001 #define VV_TERMBLINKRESP 86
2002 #define VV_EVENT	87
2003 #define VV_LEN		88	/* number of v: vars */
2004 
2005 /* used for v_number in VAR_SPECIAL */
2006 #define VVAL_FALSE	0L
2007 #define VVAL_TRUE	1L
2008 #define VVAL_NONE	2L
2009 #define VVAL_NULL	3L
2010 
2011 /* Type values for type(). */
2012 #define VAR_TYPE_NUMBER	    0
2013 #define VAR_TYPE_STRING	    1
2014 #define VAR_TYPE_FUNC	    2
2015 #define VAR_TYPE_LIST	    3
2016 #define VAR_TYPE_DICT	    4
2017 #define VAR_TYPE_FLOAT	    5
2018 #define VAR_TYPE_BOOL	    6
2019 #define VAR_TYPE_NONE	    7
2020 #define VAR_TYPE_JOB	    8
2021 #define VAR_TYPE_CHANNEL    9
2022 #define VAR_TYPE_BLOB	    10
2023 
2024 #ifdef FEAT_CLIPBOARD
2025 
2026 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
2027  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
2028  * the encoding to support Vims using different 'encoding' values. */
2029 # define VIM_ATOM_NAME "_VIM_TEXT"
2030 # define VIMENC_ATOM_NAME "_VIMENC_TEXT"
2031 
2032 /* Selection states for modeless selection */
2033 # define SELECT_CLEARED		0
2034 # define SELECT_IN_PROGRESS	1
2035 # define SELECT_DONE		2
2036 
2037 # define SELECT_MODE_CHAR	0
2038 # define SELECT_MODE_WORD	1
2039 # define SELECT_MODE_LINE	2
2040 
2041 # ifdef FEAT_GUI_W32
2042 #  ifdef FEAT_OLE
2043 #   define WM_OLE (WM_APP+0)
2044 #  endif
2045 # endif
2046 
2047 /* Info about selected text */
2048 typedef struct VimClipboard
2049 {
2050     int		available;	/* Is clipboard available? */
2051     int		owned;		/* Flag: do we own the selection? */
2052     pos_T	start;		/* Start of selected area */
2053     pos_T	end;		/* End of selected area */
2054     int		vmode;		/* Visual mode character */
2055 
2056     /* Fields for selection that doesn't use Visual mode */
2057     short_u	origin_row;
2058     short_u	origin_start_col;
2059     short_u	origin_end_col;
2060     short_u	word_start_col;
2061     short_u	word_end_col;
2062 
2063     pos_T	prev;		/* Previous position */
2064     short_u	state;		/* Current selection state */
2065     short_u	mode;		/* Select by char, word, or line. */
2066 
2067 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
2068     Atom	sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
2069 # endif
2070 
2071 # ifdef FEAT_GUI_GTK
2072     GdkAtom     gtk_sel_atom;	/* PRIMARY/CLIPBOARD selection ID */
2073 # endif
2074 
2075 # if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
2076     int_u	format;		/* Vim's own special clipboard format */
2077     int_u	format_raw;	/* Vim's raw text clipboard format */
2078 # endif
2079 } VimClipboard;
2080 #else
2081 typedef int VimClipboard;	/* This is required for the prototypes. */
2082 #endif
2083 
2084 /* Use 64-bit stat structure if available. */
2085 #if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__)
2086 # define HAVE_STAT64
2087 typedef struct _stat64 stat_T;
2088 #else
2089 typedef struct stat stat_T;
2090 #endif
2091 
2092 #if defined(__GNUC__) && !defined(__MINGW32__)
2093 # define USE_PRINTF_FORMAT_ATTRIBUTE
2094 #endif
2095 
2096 typedef enum
2097 {
2098     ASSERT_EQUAL,
2099     ASSERT_NOTEQUAL,
2100     ASSERT_MATCH,
2101     ASSERT_NOTMATCH,
2102     ASSERT_OTHER
2103 } assert_type_T;
2104 
2105 /* Mode for bracketed_paste(). */
2106 typedef enum {
2107     PASTE_INSERT,	/* insert mode */
2108     PASTE_CMDLINE,	/* command line */
2109     PASTE_EX,		/* ex mode line */
2110     PASTE_ONE_CHAR	/* return first character */
2111 } paste_mode_T;
2112 
2113 // Argument for flush_buffers().
2114 typedef enum {
2115     FLUSH_MINIMAL,
2116     FLUSH_TYPEAHEAD,	// flush current typebuf contents
2117     FLUSH_INPUT		// flush typebuf and inchar() input
2118 } flush_buffers_T;
2119 
2120 #include "ex_cmds.h"	    /* Ex command defines */
2121 #include "spell.h"	    /* spell checking stuff */
2122 
2123 #include "proto.h"	    /* function prototypes */
2124 
2125 /* This has to go after the include of proto.h, as proto/gui.pro declares
2126  * functions of these names. The declarations would break if the defines had
2127  * been seen at that stage.  But it must be before globals.h, where error_ga
2128  * is declared. */
2129 #if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
2130 	&& !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC) && !defined(PROTO)
2131 # define mch_errmsg(str)	fprintf(stderr, "%s", (str))
2132 # define display_errors()	fflush(stderr)
2133 # define mch_msg(str)		printf("%s", (str))
2134 #else
2135 # define USE_MCH_ERRMSG
2136 #endif
2137 
2138 # if defined(FEAT_MBYTE) && defined(FEAT_EVAL) \
2139 	&& (!defined(FEAT_GUI_W32) \
2140 	     || !(defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
2141 	&& !(defined(FEAT_GUI_MAC) && defined(MACOS_CONVERT))
2142 /* Whether IME is supported by im_get_status() defined in mbyte.c.
2143  * For Win32 GUI it's in gui_w32.c when FEAT_MBYTE_IME or GLOBAL_IME is defined.
2144  * for Mac it is in gui_mac.c for the GUI or in os_mac_conv.c when
2145  * MACOS_CONVERT is defined. */
2146 # define IME_WITHOUT_XIM
2147 #endif
2148 
2149 #if defined(FEAT_MBYTE) && (defined(FEAT_XIM) \
2150 	|| defined(IME_WITHOUT_XIM) \
2151 	|| (defined(FEAT_GUI_W32) \
2152 	    && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
2153 	|| defined(FEAT_GUI_MAC))
2154 /* im_set_active() is available */
2155 # define HAVE_INPUT_METHOD
2156 #endif
2157 
2158 #ifndef FEAT_MBYTE
2159 # define after_pathsep(b, p)	vim_ispathsep(*((p) - 1))
2160 # define transchar_byte(c)	transchar(c)
2161 #endif
2162 
2163 #ifndef FEAT_LINEBREAK
2164 /* Without the 'numberwidth' option line numbers are always 7 chars. */
2165 # define number_width(x) 7
2166 #endif
2167 
2168 /* This must come after including proto.h.
2169  * For VMS this is defined in macros.h. */
2170 #if !(defined(FEAT_MBYTE) && defined(WIN3264)) && !defined(VMS)
2171 # define mch_open(n, m, p)	open((n), (m), (p))
2172 # define mch_fopen(n, p)	fopen((n), (p))
2173 #endif
2174 
2175 #include "globals.h"	    /* global variables and messages */
2176 
2177 #ifndef FEAT_VIRTUALEDIT
2178 # define getvvcol(w, p, s, c, e) getvcol((w), (p), (s), (c), (e))
2179 # define virtual_active() FALSE
2180 # define virtual_op FALSE
2181 #endif
2182 
2183 /*
2184  * If console dialog not supported, but GUI dialog is, use the GUI one.
2185  */
2186 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
2187 # define do_dialog gui_mch_dialog
2188 #endif
2189 
2190 /*
2191  * Default filters for gui_mch_browse().
2192  * The filters are almost system independent.  Except for the difference
2193  * between "*" and "*.*" for MSDOS-like systems.
2194  * NOTE: Motif only uses the very first pattern.  Therefore
2195  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
2196  */
2197 #ifdef FEAT_BROWSE
2198 # ifdef BACKSLASH_IN_FILENAME
2199 #  define BROWSE_FILTER_MACROS \
2200 	(char_u *)N_("Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n")
2201 #  define BROWSE_FILTER_ALL_FILES (char_u *)N_("All Files (*.*)\t*.*\n")
2202 #  define BROWSE_FILTER_DEFAULT \
2203 	(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")
2204 # else
2205 #  define BROWSE_FILTER_MACROS \
2206 	(char_u *)N_("Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n")
2207 #  define BROWSE_FILTER_ALL_FILES (char_u *)N_("All Files (*)\t*\n")
2208 #  define BROWSE_FILTER_DEFAULT \
2209 	(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")
2210 # endif
2211 # define BROWSE_SAVE 1	    /* flag for do_browse() */
2212 # define BROWSE_DIR 2	    /* flag for do_browse() */
2213 #endif
2214 
2215 /* stop using fastcall for Borland */
2216 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
2217  #pragma option -p.
2218 #endif
2219 
2220 #ifdef _MSC_VER
2221 /* Avoid useless warning "conversion from X to Y of greater size". */
2222  #pragma warning(disable : 4312)
2223 /* Avoid warning for old style function declarators */
2224  #pragma warning(disable : 4131)
2225 /* Avoid warning for conversion to type with smaller range */
2226  #pragma warning(disable : 4244)
2227 /* Avoid warning for conversion to larger size */
2228  #pragma warning(disable : 4306)
2229 /* Avoid warning for unreferenced formal parameter */
2230  #pragma warning(disable : 4100)
2231 /* Avoid warning for differs in indirection to slightly different base type */
2232  #pragma warning(disable : 4057)
2233 /* Avoid warning for constant conditional expression */
2234  #pragma warning(disable : 4127)
2235 /* Avoid warning for assignment within conditional */
2236  #pragma warning(disable : 4706)
2237 #endif
2238 
2239 /* Note: a NULL argument for vim_realloc() is not portable, don't use it. */
2240 #if defined(MEM_PROFILE)
2241 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
2242 #else
2243 # define vim_realloc(ptr, size)  realloc((ptr), (size))
2244 #endif
2245 
2246 #ifdef FEAT_MBYTE
2247 /*
2248  * Return byte length of character that starts with byte "b".
2249  * Returns 1 for a single-byte character.
2250  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
2251  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
2252  */
2253 # define MB_BYTE2LEN(b)		mb_bytelen_tab[b]
2254 # define MB_BYTE2LEN_CHECK(b)	(((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
2255 #endif
2256 
2257 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
2258 /* properties used in enc_canon_table[] (first three mutually exclusive) */
2259 # define ENC_8BIT	0x01
2260 # define ENC_DBCS	0x02
2261 # define ENC_UNICODE	0x04
2262 
2263 # define ENC_ENDIAN_B	0x10	    /* Unicode: Big endian */
2264 # define ENC_ENDIAN_L	0x20	    /* Unicode: Little endian */
2265 
2266 # define ENC_2BYTE	0x40	    /* Unicode: UCS-2 */
2267 # define ENC_4BYTE	0x80	    /* Unicode: UCS-4 */
2268 # define ENC_2WORD	0x100	    /* Unicode: UTF-16 */
2269 
2270 # define ENC_LATIN1	0x200	    /* Latin1 */
2271 # define ENC_LATIN9	0x400	    /* Latin9 */
2272 # define ENC_MACROMAN	0x800	    /* Mac Roman (not Macro Man! :-) */
2273 #endif
2274 
2275 #ifdef FEAT_MBYTE
2276 # ifdef USE_ICONV
2277 #  ifndef EILSEQ
2278 #   define EILSEQ 123
2279 #  endif
2280 #  ifdef DYNAMIC_ICONV
2281 /* On Win32 iconv.dll is dynamically loaded. */
2282 #   define ICONV_ERRNO (*iconv_errno())
2283 #   define ICONV_E2BIG  7
2284 #   define ICONV_EINVAL 22
2285 #   define ICONV_EILSEQ 42
2286 #  else
2287 #   define ICONV_ERRNO errno
2288 #   define ICONV_E2BIG  E2BIG
2289 #   define ICONV_EINVAL EINVAL
2290 #   define ICONV_EILSEQ EILSEQ
2291 #  endif
2292 # endif
2293 
2294 #endif
2295 
2296 
2297 #define SIGN_BYTE 1	    /* byte value used where sign is displayed;
2298 			       attribute value is sign type */
2299 
2300 #ifdef FEAT_NETBEANS_INTG
2301 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
2302 			       multiple signs exist on the line */
2303 #endif
2304 
2305 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
2306 # ifdef FEAT_GUI_GTK
2307    /* Avoid using a global variable for the X display.  It's ugly
2308     * and is likely to cause trouble in multihead environments. */
2309 #  define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
2310 # else
2311 #  define X_DISPLAY	(gui.in_use ? gui.dpy : xterm_dpy)
2312 # endif
2313 #else
2314 # ifdef FEAT_GUI
2315 #  ifdef FEAT_GUI_GTK
2316 #   define X_DISPLAY	((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
2317 #  else
2318 #   define X_DISPLAY	gui.dpy
2319 #  endif
2320 # else
2321 #  define X_DISPLAY	xterm_dpy
2322 # endif
2323 #endif
2324 
2325 #if defined(FEAT_BROWSE) && defined(GTK_CHECK_VERSION)
2326 # if GTK_CHECK_VERSION(2,4,0)
2327 #  define USE_FILE_CHOOSER
2328 # endif
2329 #endif
2330 
2331 #ifdef FEAT_GUI_GTK
2332 # if !GTK_CHECK_VERSION(2,14,0)
2333 #  define gtk_widget_get_window(wid)	((wid)->window)
2334 #  define gtk_plug_get_socket_window(wid)	((wid)->socket_window)
2335 #  define gtk_selection_data_get_data(sel)	((sel)->data)
2336 #  define gtk_selection_data_get_data_type(sel)	((sel)->type)
2337 #  define gtk_selection_data_get_format(sel)	((sel)->format)
2338 #  define gtk_selection_data_get_length(sel)	((sel)->length)
2339 #  define gtk_adjustment_set_lower(adj, low) \
2340     do { (adj)->lower = low; } while (0)
2341 #  define gtk_adjustment_set_upper(adj, up) \
2342     do { (adj)->upper = up; } while (0)
2343 #  define gtk_adjustment_set_page_size(adj, size) \
2344     do { (adj)->page_size = size; } while (0)
2345 #  define gtk_adjustment_set_page_increment(adj, inc) \
2346     do { (adj)->page_increment = inc; } while (0)
2347 #  define gtk_adjustment_set_step_increment(adj, inc) \
2348     do { (adj)->step_increment = inc; } while (0)
2349 # endif
2350 # if !GTK_CHECK_VERSION(2,16,0)
2351 #  define gtk_selection_data_get_selection(sel)	((sel)->selection)
2352 # endif
2353 # if !GTK_CHECK_VERSION(2,18,0)
2354 #  define gtk_widget_get_allocation(wid, alloc) \
2355     do { *(alloc) = (wid)->allocation; } while (0)
2356 #  define gtk_widget_set_allocation(wid, alloc) \
2357     do { (wid)->allocation = *(alloc); } while (0)
2358 #  define gtk_widget_get_has_window(wid)	!GTK_WIDGET_NO_WINDOW(wid)
2359 #  define gtk_widget_get_sensitive(wid)	GTK_WIDGET_SENSITIVE(wid)
2360 #  define gtk_widget_get_visible(wid)	GTK_WIDGET_VISIBLE(wid)
2361 #  define gtk_widget_has_focus(wid)	GTK_WIDGET_HAS_FOCUS(wid)
2362 #  define gtk_widget_set_window(wid, win) \
2363     do { (wid)->window = (win); } while (0)
2364 #  define gtk_widget_set_can_default(wid, can) \
2365     do { if (can) { GTK_WIDGET_SET_FLAGS(wid, GTK_CAN_DEFAULT); } \
2366 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_CAN_DEFAULT); } } while (0)
2367 #  define gtk_widget_set_can_focus(wid, can) \
2368     do { if (can) { GTK_WIDGET_SET_FLAGS(wid, GTK_CAN_FOCUS); } \
2369 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_CAN_FOCUS); } } while (0)
2370 #  define gtk_widget_set_visible(wid, vis) \
2371     do { if (vis) { gtk_widget_show(wid); } \
2372 	else { gtk_widget_hide(wid); } } while (0)
2373 # endif
2374 # if !GTK_CHECK_VERSION(2,20,0)
2375 #  define gtk_widget_get_mapped(wid)	GTK_WIDGET_MAPPED(wid)
2376 #  define gtk_widget_get_realized(wid)	GTK_WIDGET_REALIZED(wid)
2377 #  define gtk_widget_set_mapped(wid, map) \
2378     do { if (map) { GTK_WIDGET_SET_FLAGS(wid, GTK_MAPPED); } \
2379 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_MAPPED); } } while (0)
2380 #  define gtk_widget_set_realized(wid, rea) \
2381     do { if (rea) { GTK_WIDGET_SET_FLAGS(wid, GTK_REALIZED); } \
2382 	else { GTK_WIDGET_UNSET_FLAGS(wid, GTK_REALIZED); } } while (0)
2383 # endif
2384 #endif
2385 
2386 #ifndef FEAT_NETBEANS_INTG
2387 # undef NBDEBUG
2388 #endif
2389 #ifdef NBDEBUG /* Netbeans debugging. */
2390 # include "nbdebug.h"
2391 #else
2392 # define nbdebug(a)
2393 #endif
2394 
2395 #ifdef IN_PERL_FILE
2396   /*
2397    * Avoid clashes between Perl and Vim namespace.
2398    */
2399 # undef NORMAL
2400 # undef STRLEN
2401 # undef FF
2402 # undef OP_DELETE
2403 # undef OP_JOIN
2404 # ifdef __BORLANDC__
2405 #  define NOPROTO 1
2406 # endif
2407   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
2408 # ifdef MAX
2409 #  undef MAX
2410 # endif
2411 # ifdef MIN
2412 #  undef MIN
2413 # endif
2414   /* We use _() for gettext(), Perl uses it for function prototypes... */
2415 # ifdef _
2416 #  undef _
2417 # endif
2418 # ifdef DEBUG
2419 #  undef DEBUG
2420 # endif
2421 # ifdef _DEBUG
2422 #  undef _DEBUG
2423 # endif
2424 # ifdef instr
2425 #  undef instr
2426 # endif
2427   /* bool may cause trouble on some old versions of Mac OS X but is required
2428    * on a few other systems and for Perl */
2429 # if (defined(MACOS_X) && !defined(MAC_OS_X_VERSION_10_6)) \
2430 				       && defined(bool) && !defined(FEAT_PERL)
2431 #  undef bool
2432 # endif
2433 
2434 # ifdef __BORLANDC__
2435   /* Borland has the structure stati64 but not _stati64 */
2436 #  define _stati64 stati64
2437 # endif
2438 #endif
2439 
2440 /* values for vim_handle_signal() that are not a signal */
2441 #define SIGNAL_BLOCK	-1
2442 #define SIGNAL_UNBLOCK  -2
2443 #if !defined(UNIX) && !defined(VMS)
2444 # define vim_handle_signal(x) 0
2445 #endif
2446 
2447 /* flags for skip_vimgrep_pat() */
2448 #define VGR_GLOBAL	1
2449 #define VGR_NOJUMP	2
2450 
2451 /* behavior for bad character, "++bad=" argument */
2452 #define BAD_REPLACE	'?'	/* replace it with '?' (default) */
2453 #define BAD_KEEP	-1	/* leave it */
2454 #define BAD_DROP	-2	/* erase it */
2455 
2456 /* last argument for do_source() */
2457 #define DOSO_NONE	0
2458 #define DOSO_VIMRC	1	/* loading vimrc file */
2459 #define DOSO_GVIMRC	2	/* loading gvimrc file */
2460 
2461 /* flags for read_viminfo() and children */
2462 #define VIF_WANT_INFO		1	/* load non-mark info */
2463 #define VIF_WANT_MARKS		2	/* load file marks */
2464 #define VIF_FORCEIT		4	/* overwrite info already read */
2465 #define VIF_GET_OLDFILES	8	/* load v:oldfiles */
2466 
2467 /* flags for buf_freeall() */
2468 #define BFA_DEL		1	/* buffer is going to be deleted */
2469 #define BFA_WIPE	2	/* buffer is going to be wiped out */
2470 #define BFA_KEEP_UNDO	4	/* do not free undo information */
2471 
2472 /* direction for nv_mousescroll() and ins_mousescroll() */
2473 #define MSCR_DOWN	0	/* DOWN must be FALSE */
2474 #define MSCR_UP		1
2475 #define MSCR_LEFT	-1
2476 #define MSCR_RIGHT	-2
2477 
2478 #define KEYLEN_PART_KEY -1	/* keylen value for incomplete key-code */
2479 #define KEYLEN_PART_MAP -2	/* keylen value for incomplete mapping */
2480 #define KEYLEN_REMOVED  9999	/* keylen value for removed sequence */
2481 
2482 /* Return values from win32_fileinfo(). */
2483 #define FILEINFO_OK	     0
2484 #define FILEINFO_ENC_FAIL    1	/* enc_to_utf16() failed */
2485 #define FILEINFO_READ_FAIL   2	/* CreateFile() failed */
2486 #define FILEINFO_INFO_FAIL   3	/* GetFileInformationByHandle() failed */
2487 
2488 /* Return value from get_option_value_strict */
2489 #define SOPT_BOOL	0x01	/* Boolean option */
2490 #define SOPT_NUM	0x02	/* Number option */
2491 #define SOPT_STRING	0x04	/* String option */
2492 #define SOPT_GLOBAL	0x08	/* Option has global value */
2493 #define SOPT_WIN	0x10	/* Option has window-local value */
2494 #define SOPT_BUF	0x20	/* Option has buffer-local value */
2495 #define SOPT_UNSET	0x40	/* Option does not have local value set */
2496 
2497 /* Option types for various functions in option.c */
2498 #define SREQ_GLOBAL	0	/* Request global option */
2499 #define SREQ_WIN	1	/* Request window-local option */
2500 #define SREQ_BUF	2	/* Request buffer-local option */
2501 
2502 /* Flags for get_reg_contents */
2503 #define GREG_NO_EXPR	1	/* Do not allow expression register */
2504 #define GREG_EXPR_SRC	2	/* Return expression itself for "=" register */
2505 #define GREG_LIST	4	/* Return list */
2506 
2507 /* Character used as separated in autoload function/variable names. */
2508 #define AUTOLOAD_CHAR '#'
2509 
2510 #ifdef FEAT_JOB_CHANNEL
2511 # define MAX_OPEN_CHANNELS 10
2512 #else
2513 # define MAX_OPEN_CHANNELS 0
2514 #endif
2515 
2516 /* Options for json_encode() and json_decode. */
2517 #define JSON_JS		1   /* use JS instead of JSON */
2518 #define JSON_NO_NONE	2   /* v:none item not allowed */
2519 #define JSON_NL		4   /* append a NL */
2520 
2521 /* Used for flags of do_in_path() */
2522 #define DIP_ALL	    0x01	/* all matches, not just the first one */
2523 #define DIP_DIR	    0x02	/* find directories instead of files. */
2524 #define DIP_ERR	    0x04	/* give an error message when none found. */
2525 #define DIP_START   0x08	/* also use "start" directory in 'packpath' */
2526 #define DIP_OPT	    0x10	/* also use "opt" directory in 'packpath' */
2527 #define DIP_NORTP   0x20	/* do not use 'runtimepath' */
2528 #define DIP_NOAFTER 0x40	/* skip "after" directories */
2529 #define DIP_AFTER   0x80	/* only use "after" directories */
2530 
2531 /* Lowest number used for window ID. Cannot have this many windows. */
2532 #define LOWEST_WIN_ID 1000
2533 
2534 /* Used by the garbage collector. */
2535 #define COPYID_INC 2
2536 #define COPYID_MASK (~0x1)
2537 
2538 /* Values for trans_function_name() argument: */
2539 #define TFN_INT		1	/* internal function name OK */
2540 #define TFN_QUIET	2	/* no error messages */
2541 #define TFN_NO_AUTOLOAD	4	/* do not use script autoloading */
2542 #define TFN_NO_DEREF	8	/* do not dereference a Funcref */
2543 #define TFN_READ_ONLY	16	/* will not change the var */
2544 
2545 /* Values for get_lval() flags argument: */
2546 #define GLV_QUIET	TFN_QUIET	/* no error messages */
2547 #define GLV_NO_AUTOLOAD	TFN_NO_AUTOLOAD	/* do not use script autoloading */
2548 #define GLV_READ_ONLY	TFN_READ_ONLY	/* will not change the var */
2549 
2550 #define DO_NOT_FREE_CNT 99999	/* refcount for dict or list that should not
2551 				   be freed. */
2552 
2553 /* errors for when calling a function */
2554 #define ERROR_UNKNOWN	0
2555 #define ERROR_TOOMANY	1
2556 #define ERROR_TOOFEW	2
2557 #define ERROR_SCRIPT	3
2558 #define ERROR_DICT	4
2559 #define ERROR_NONE	5
2560 #define ERROR_OTHER	6
2561 #define ERROR_DELETED	7
2562 
2563 /* flags for find_name_end() */
2564 #define FNE_INCL_BR	1	/* include [] in name */
2565 #define FNE_CHECK_START	2	/* check name starts with valid character */
2566 
2567 /* BSD is supposed to cover FreeBSD and similar systems. */
2568 #if (defined(SUN_SYSTEM) || defined(BSD) || defined(__FreeBSD_kernel__)) \
2569 	&& (defined(S_ISCHR) || defined(S_IFCHR))
2570 # define OPEN_CHR_FILES
2571 #endif
2572 
2573 /* stat macros */
2574 #ifndef S_ISDIR
2575 # ifdef S_IFDIR
2576 #  define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
2577 # else
2578 #  define S_ISDIR(m)	0
2579 # endif
2580 #endif
2581 #ifndef S_ISREG
2582 # ifdef S_IFREG
2583 #  define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)
2584 # else
2585 #  define S_ISREG(m)	0
2586 # endif
2587 #endif
2588 #ifndef S_ISBLK
2589 # ifdef S_IFBLK
2590 #  define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)
2591 # else
2592 #  define S_ISBLK(m)	0
2593 # endif
2594 #endif
2595 #ifndef S_ISSOCK
2596 # ifdef S_IFSOCK
2597 #  define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK)
2598 # else
2599 #  define S_ISSOCK(m)	0
2600 # endif
2601 #endif
2602 #ifndef S_ISFIFO
2603 # ifdef S_IFIFO
2604 #  define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)
2605 # else
2606 #  define S_ISFIFO(m)	0
2607 # endif
2608 #endif
2609 #ifndef S_ISCHR
2610 # ifdef S_IFCHR
2611 #  define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)
2612 # else
2613 #  define S_ISCHR(m)	0
2614 # endif
2615 #endif
2616 #ifndef S_ISLNK
2617 # ifdef S_IFLNK
2618 #  define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)
2619 # else
2620 #  define S_ISLNK(m)	0
2621 # endif
2622 #endif
2623 
2624 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
2625 # define ELAPSED_TIMEVAL
2626 # define ELAPSED_INIT(v) gettimeofday(&v, NULL)
2627 # define ELAPSED_FUNC(v) elapsed(&v)
2628 typedef struct timeval elapsed_T;
2629 long elapsed(struct timeval *start_tv);
2630 #elif defined(WIN32)
2631 # define ELAPSED_TICKCOUNT
2632 # define ELAPSED_INIT(v) v = GetTickCount()
2633 # define ELAPSED_FUNC(v) elapsed(v)
2634 typedef DWORD elapsed_T;
2635 # ifndef PROTO
2636 long elapsed(DWORD start_tick);
2637 # endif
2638 #endif
2639 
2640 /* Replacement for nchar used by nv_replace(). */
2641 #define REPLACE_CR_NCHAR    -1
2642 #define REPLACE_NL_NCHAR    -2
2643 
2644 /* flags for term_start() */
2645 #define TERM_START_NOJOB	1
2646 #define TERM_START_FORCEIT	2
2647 #define TERM_START_SYSTEM	4
2648 
2649 // Used for icon/title save and restore.
2650 #define SAVE_RESTORE_TITLE	1
2651 #define SAVE_RESTORE_ICON	2
2652 #define SAVE_RESTORE_BOTH	(SAVE_RESTORE_TITLE | SAVE_RESTORE_ICON)
2653 
2654 #endif /* VIM__H */
2655