xref: /vim-8.2.3635/src/main.c (revision e16b00a1)
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  * See README.txt for an overview of the Vim source code.
8  */
9 
10 #define EXTERN
11 #include "vim.h"
12 
13 #ifdef __CYGWIN__
14 # ifndef WIN32
15 #  include <cygwin/version.h>
16 #  include <sys/cygwin.h>	/* for cygwin_conv_to_posix_path() and/or
17 				 * cygwin_conv_path() */
18 # endif
19 # include <limits.h>
20 #endif
21 
22 #if defined(WIN3264) && !defined(FEAT_GUI_W32)
23 # include "iscygpty.h"
24 #endif
25 
26 /* Values for edit_type. */
27 #define EDIT_NONE   0	    /* no edit type yet */
28 #define EDIT_FILE   1	    /* file name argument[s] given, use argument list */
29 #define EDIT_STDIN  2	    /* read file from stdin */
30 #define EDIT_TAG    3	    /* tag name argument given, use tagname */
31 #define EDIT_QF	    4	    /* start in quickfix mode */
32 
33 #if (defined(UNIX) || defined(VMS)) && !defined(NO_VIM_MAIN)
34 static int file_owned(char *fname);
35 #endif
36 static void mainerr(int, char_u *);
37 # if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
38 static void init_locale(void);
39 # endif
40 static void early_arg_scan(mparm_T *parmp);
41 #ifndef NO_VIM_MAIN
42 static void main_msg(char *s);
43 static void usage(void);
44 static int get_number_arg(char_u *p, int *idx, int def);
45 static void parse_command_name(mparm_T *parmp);
46 static void command_line_scan(mparm_T *parmp);
47 static void check_tty(mparm_T *parmp);
48 static void read_stdin(void);
49 static void create_windows(mparm_T *parmp);
50 # ifdef FEAT_WINDOWS
51 static void edit_buffers(mparm_T *parmp, char_u *cwd);
52 # endif
53 static void exe_pre_commands(mparm_T *parmp);
54 static void exe_commands(mparm_T *parmp);
55 static void source_startup_scripts(mparm_T *parmp);
56 static void main_start_gui(void);
57 # if defined(HAS_SWAP_EXISTS_ACTION)
58 static void check_swap_exists_action(void);
59 # endif
60 # ifdef FEAT_EVAL
61 static void set_progpath(char_u *argv0);
62 # endif
63 # if defined(FEAT_CLIENTSERVER) || defined(PROTO)
64 static void exec_on_server(mparm_T *parmp);
65 static void prepare_server(mparm_T *parmp);
66 static void cmdsrv_main(int *argc, char **argv, char_u *serverName_arg, char_u **serverStr);
67 static char_u *serverMakeName(char_u *arg, char *cmd);
68 # endif
69 #endif
70 
71 
72 /*
73  * Different types of error messages.
74  */
75 static char *(main_errors[]) =
76 {
77     N_("Unknown option argument"),
78 #define ME_UNKNOWN_OPTION	0
79     N_("Too many edit arguments"),
80 #define ME_TOO_MANY_ARGS	1
81     N_("Argument missing after"),
82 #define ME_ARG_MISSING		2
83     N_("Garbage after option argument"),
84 #define ME_GARBAGE		3
85     N_("Too many \"+command\", \"-c command\" or \"--cmd command\" arguments"),
86 #define ME_EXTRA_CMD		4
87     N_("Invalid argument for"),
88 #define ME_INVALID_ARG		5
89 };
90 
91 #ifndef PROTO		/* don't want a prototype for main() */
92 
93 /* Various parameters passed between main() and other functions. */
94 static mparm_T	params;
95 
96 #ifndef NO_VIM_MAIN	/* skip this for unittests */
97 
98 static char_u *start_dir = NULL;	/* current working dir on startup */
99 
100 static int has_dash_c_arg = FALSE;
101 
102     int
103 # ifdef VIMDLL
104 _export
105 # endif
106 # ifdef FEAT_GUI_MSWIN
107 #  ifdef __BORLANDC__
108 _cdecl
109 #  endif
110 VimMain
111 # else
112 main
113 # endif
114 (int argc, char **argv)
115 {
116 #ifdef STARTUPTIME
117     int		i;
118 #endif
119 
120     /*
121      * Do any system-specific initialisations.  These can NOT use IObuff or
122      * NameBuff.  Thus emsg2() cannot be called!
123      */
124     mch_early_init();
125 
126 #if defined(WIN32) && defined(FEAT_MBYTE)
127     /*
128      * MinGW expands command line arguments, which confuses our code to
129      * convert when 'encoding' changes.  Get the unexpanded arguments.
130      */
131     argc = get_cmd_argsW(&argv);
132 #endif
133 
134     /* Many variables are in "params" so that we can pass them to invoked
135      * functions without a lot of arguments.  "argc" and "argv" are also
136      * copied, so that they can be changed. */
137     vim_memset(&params, 0, sizeof(params));
138     params.argc = argc;
139     params.argv = argv;
140     params.want_full_screen = TRUE;
141 #ifdef FEAT_EVAL
142     params.use_debug_break_level = -1;
143 #endif
144 #ifdef FEAT_WINDOWS
145     params.window_count = -1;
146 #endif
147 
148 #ifdef FEAT_RUBY
149     {
150 	int ruby_stack_start;
151 	vim_ruby_init((void *)&ruby_stack_start);
152     }
153 #endif
154 
155 #ifdef FEAT_TCL
156     vim_tcl_init(params.argv[0]);
157 #endif
158 
159 #ifdef MEM_PROFILE
160     atexit(vim_mem_profile_dump);
161 #endif
162 
163 #ifdef STARTUPTIME
164     /* Need to find "--startuptime" before actually parsing arguments. */
165     for (i = 1; i < argc; ++i)
166     {
167 	if (STRICMP(argv[i], "--startuptime") == 0 && i + 1 < argc)
168 	{
169 	    time_fd = mch_fopen(argv[i + 1], "a");
170 	    TIME_MSG("--- VIM STARTING ---");
171 	    break;
172 	}
173     }
174 #endif
175     starttime = time(NULL);
176 
177     common_init(&params);
178 
179 #ifdef FEAT_CLIENTSERVER
180     /*
181      * Do the client-server stuff, unless "--servername ''" was used.
182      * This may exit Vim if the command was sent to the server.
183      */
184     exec_on_server(&params);
185 #endif
186 
187     /*
188      * Figure out the way to work from the command name argv[0].
189      * "vimdiff" starts diff mode, "rvim" sets "restricted", etc.
190      */
191     parse_command_name(&params);
192 
193     /*
194      * Process the command line arguments.  File names are put in the global
195      * argument list "global_alist".
196      */
197     command_line_scan(&params);
198     TIME_MSG("parsing arguments");
199 
200     /*
201      * On some systems, when we compile with the GUI, we always use it.  On Mac
202      * there is no terminal version, and on Windows we can't fork one off with
203      * :gui.
204      */
205 #ifdef ALWAYS_USE_GUI
206     gui.starting = TRUE;
207 #else
208 # if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
209     /*
210      * Check if the GUI can be started.  Reset gui.starting if not.
211      * Don't know about other systems, stay on the safe side and don't check.
212      */
213     if (gui.starting)
214     {
215 	if (gui_init_check() == FAIL)
216 	{
217 	    gui.starting = FALSE;
218 
219 	    /* When running "evim" or "gvim -y" we need the menus, exit if we
220 	     * don't have them. */
221 	    if (params.evim_mode)
222 		mch_exit(1);
223 	}
224     }
225 # endif
226 #endif
227 
228     if (GARGCOUNT > 0)
229     {
230 #ifdef EXPAND_FILENAMES
231 	/*
232 	 * Expand wildcards in file names.
233 	 */
234 	if (!params.literal)
235 	{
236 	    start_dir = alloc(MAXPATHL);
237 	    if (start_dir != NULL)
238 		mch_dirname(start_dir, MAXPATHL);
239 	    /* Temporarily add '(' and ')' to 'isfname'.  These are valid
240 	     * filename characters but are excluded from 'isfname' to make
241 	     * "gf" work on a file name in parenthesis (e.g.: see vim.h). */
242 	    do_cmdline_cmd((char_u *)":set isf+=(,)");
243 	    alist_expand(NULL, 0);
244 	    do_cmdline_cmd((char_u *)":set isf&");
245 	    if (start_dir != NULL)
246 		mch_chdir((char *)start_dir);
247 	}
248 #endif
249 	params.fname = alist_name(&GARGLIST[0]);
250     }
251 
252 #if defined(WIN32) && defined(FEAT_MBYTE)
253     {
254 	extern void set_alist_count(void);
255 
256 	/* Remember the number of entries in the argument list.  If it changes
257 	 * we don't react on setting 'encoding'. */
258 	set_alist_count();
259     }
260 #endif
261 
262 #ifdef MSWIN
263     if (GARGCOUNT == 1 && params.full_path)
264     {
265 	/*
266 	 * If there is one filename, fully qualified, we have very probably
267 	 * been invoked from explorer, so change to the file's directory.
268 	 * Hint: to avoid this when typing a command use a forward slash.
269 	 * If the cd fails, it doesn't matter.
270 	 */
271 	(void)vim_chdirfile(params.fname);
272 	if (start_dir != NULL)
273 	    mch_dirname(start_dir, MAXPATHL);
274     }
275 #endif
276     TIME_MSG("expanding arguments");
277 
278 #ifdef FEAT_DIFF
279     if (params.diff_mode && params.window_count == -1)
280 	params.window_count = 0;	/* open up to 3 windows */
281 #endif
282 
283     /* Don't redraw until much later. */
284     ++RedrawingDisabled;
285 
286     /*
287      * When listing swap file names, don't do cursor positioning et. al.
288      */
289     if (recoverymode && params.fname == NULL)
290 	params.want_full_screen = FALSE;
291 
292     /*
293      * When certain to start the GUI, don't check capabilities of terminal.
294      * For GTK we can't be sure, but when started from the desktop it doesn't
295      * make sense to try using a terminal.
296      */
297 #if defined(ALWAYS_USE_GUI) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
298     if (gui.starting
299 # ifdef FEAT_GUI_GTK
300 	    && !isatty(2)
301 # endif
302 	    )
303 	params.want_full_screen = FALSE;
304 #endif
305 
306 #if defined(FEAT_GUI_MAC) && defined(MACOS_X_UNIX)
307     /* When the GUI is started from Finder, need to display messages in a
308      * message box.  isatty(2) returns TRUE anyway, thus we need to check the
309      * name to know we're not started from a terminal. */
310     if (gui.starting && (!isatty(2) || strcmp("/dev/console", ttyname(2)) == 0))
311     {
312 	params.want_full_screen = FALSE;
313 
314 	/* Avoid always using "/" as the current directory.  Note that when
315 	 * started from Finder the arglist will be filled later in
316 	 * HandleODocAE() and "fname" will be NULL. */
317 	if (getcwd((char *)NameBuff, MAXPATHL) != NULL
318 						&& STRCMP(NameBuff, "/") == 0)
319 	{
320 	    if (params.fname != NULL)
321 		(void)vim_chdirfile(params.fname);
322 	    else
323 	    {
324 		expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
325 		vim_chdir(NameBuff);
326 	    }
327 	    if (start_dir != NULL)
328 		mch_dirname(start_dir, MAXPATHL);
329 	}
330     }
331 #endif
332 
333     /*
334      * mch_init() sets up the terminal (window) for use.  This must be
335      * done after resetting full_screen, otherwise it may move the cursor.
336      * Note that we may use mch_exit() before mch_init()!
337      */
338     mch_init();
339     TIME_MSG("shell init");
340 
341 #ifdef USE_XSMP
342     /*
343      * For want of anywhere else to do it, try to connect to xsmp here.
344      * Fitting it in after gui_mch_init, but before gui_init (via termcapinit).
345      * Hijacking -X 'no X connection' to also disable XSMP connection as that
346      * has a similar delay upon failure.
347      * Only try if SESSION_MANAGER is set to something non-null.
348      */
349     if (!x_no_connect)
350     {
351 	char *p = getenv("SESSION_MANAGER");
352 
353 	if (p != NULL && *p != NUL)
354 	{
355 	    xsmp_init();
356 	    TIME_MSG("xsmp init");
357 	}
358     }
359 #endif
360 
361     /*
362      * Print a warning if stdout is not a terminal.
363      */
364     check_tty(&params);
365 
366     /* This message comes before term inits, but after setting "silent_mode"
367      * when the input is not a tty. */
368     if (GARGCOUNT > 1 && !silent_mode)
369 	printf(_("%d files to edit\n"), GARGCOUNT);
370 
371     if (params.want_full_screen && !silent_mode)
372     {
373 	termcapinit(params.term);	/* set terminal name and get terminal
374 				   capabilities (will set full_screen) */
375 	screen_start();		/* don't know where cursor is now */
376 	TIME_MSG("Termcap init");
377     }
378 
379     /*
380      * Set the default values for the options that use Rows and Columns.
381      */
382     ui_get_shellsize();		/* inits Rows and Columns */
383     win_init_size();
384 #ifdef FEAT_DIFF
385     /* Set the 'diff' option now, so that it can be checked for in a .vimrc
386      * file.  There is no buffer yet though. */
387     if (params.diff_mode)
388 	diff_win_options(firstwin, FALSE);
389 #endif
390 
391     cmdline_row = Rows - p_ch;
392     msg_row = cmdline_row;
393     screenalloc(FALSE);		/* allocate screen buffers */
394     set_init_2();
395     TIME_MSG("inits 2");
396 
397     msg_scroll = TRUE;
398     no_wait_return = TRUE;
399 
400     init_mappings();		/* set up initial mappings */
401 
402     init_highlight(TRUE, FALSE); /* set the default highlight groups */
403     TIME_MSG("init highlight");
404 
405 #ifdef FEAT_EVAL
406     /* Set the break level after the terminal is initialized. */
407     debug_break_level = params.use_debug_break_level;
408 #endif
409 
410 #ifdef FEAT_MZSCHEME
411     /*
412      * Newer version of MzScheme (Racket) require earlier (trampolined)
413      * initialisation via scheme_main_setup.
414      * Implement this by initialising it as early as possible
415      * and splitting off remaining Vim main into vim_main2().
416      */
417     return mzscheme_main();
418 #else
419     return vim_main2();
420 #endif
421 }
422 #endif /* NO_VIM_MAIN */
423 #endif /* PROTO */
424 
425 /*
426  * vim_main2() is needed for FEAT_MZSCHEME, but we define it always to keep
427  * things simple.
428  * It is also defined when NO_VIM_MAIN is defined, but then it's empty.
429  */
430     int
431 vim_main2(void)
432 {
433 #ifndef NO_VIM_MAIN
434     /* Reset 'loadplugins' for "-u NONE" before "--cmd" arguments.
435      * Allows for setting 'loadplugins' there. */
436     if (params.use_vimrc != NULL
437 	    && (STRCMP(params.use_vimrc, "NONE") == 0
438 		|| STRCMP(params.use_vimrc, "DEFAULTS") == 0))
439 	p_lpl = FALSE;
440 
441     /* Execute --cmd arguments. */
442     exe_pre_commands(&params);
443 
444     /* Source startup scripts. */
445     source_startup_scripts(&params);
446 
447 #ifdef FEAT_EVAL
448     /*
449      * Read all the plugin files.
450      * Only when compiled with +eval, since most plugins need it.
451      */
452     if (p_lpl)
453     {
454 	char_u *rtp_copy = NULL;
455 
456 	/* First add all package directories to 'runtimepath', so that their
457 	 * autoload directories can be found.  Only if not done already with a
458 	 * :packloadall command.
459 	 * Make a copy of 'runtimepath', so that source_runtime does not use
460 	 * the pack directories. */
461 	if (!did_source_packages)
462 	{
463 	    rtp_copy = vim_strsave(p_rtp);
464 	    add_pack_start_dirs();
465 	}
466 
467 	source_in_path(rtp_copy == NULL ? p_rtp : rtp_copy,
468 # ifdef VMS	/* Somehow VMS doesn't handle the "**". */
469 		(char_u *)"plugin/*.vim",
470 # else
471 		(char_u *)"plugin/**/*.vim",
472 # endif
473 		DIP_ALL | DIP_NOAFTER);
474 	TIME_MSG("loading plugins");
475 	vim_free(rtp_copy);
476 
477 	/* Only source "start" packages if not done already with a :packloadall
478 	 * command. */
479 	if (!did_source_packages)
480 	    load_start_packages();
481 	TIME_MSG("loading packages");
482 
483 # ifdef VMS	/* Somehow VMS doesn't handle the "**". */
484 	source_runtime((char_u *)"plugin/*.vim", DIP_ALL | DIP_AFTER);
485 # else
486 	source_runtime((char_u *)"plugin/**/*.vim", DIP_ALL | DIP_AFTER);
487 # endif
488 	TIME_MSG("loading after plugins");
489 
490     }
491 #endif
492 
493 #ifdef FEAT_DIFF
494     /* Decide about window layout for diff mode after reading vimrc. */
495     if (params.diff_mode && params.window_layout == 0)
496     {
497 	if (diffopt_horizontal())
498 	    params.window_layout = WIN_HOR;	/* use horizontal split */
499 	else
500 	    params.window_layout = WIN_VER;	/* use vertical split */
501     }
502 #endif
503 
504     /*
505      * Recovery mode without a file name: List swap files.
506      * This uses the 'dir' option, therefore it must be after the
507      * initializations.
508      */
509     if (recoverymode && params.fname == NULL)
510     {
511 	recover_names(NULL, TRUE, 0, NULL);
512 	mch_exit(0);
513     }
514 
515     /*
516      * Set a few option defaults after reading .vimrc files:
517      * 'title' and 'icon', Unix: 'shellpipe' and 'shellredir'.
518      */
519     set_init_3();
520     TIME_MSG("inits 3");
521 
522     /*
523      * "-n" argument: Disable swap file by setting 'updatecount' to 0.
524      * Note that this overrides anything from a vimrc file.
525      */
526     if (params.no_swap_file)
527 	p_uc = 0;
528 
529 #ifdef FEAT_FKMAP
530     if (curwin->w_p_rl && p_altkeymap)
531     {
532 	p_hkmap = FALSE;	/* Reset the Hebrew keymap mode */
533 # ifdef FEAT_ARABIC
534 	curwin->w_p_arab = FALSE; /* Reset the Arabic keymap mode */
535 # endif
536 	p_fkmap = TRUE;		/* Set the Farsi keymap mode */
537     }
538 #endif
539 
540 #ifdef FEAT_GUI
541     if (gui.starting)
542     {
543 #if defined(UNIX) || defined(VMS)
544 	/* When something caused a message from a vimrc script, need to output
545 	 * an extra newline before the shell prompt. */
546 	if (did_emsg || msg_didout)
547 	    putchar('\n');
548 #endif
549 
550 	gui_start();		/* will set full_screen to TRUE */
551 	TIME_MSG("starting GUI");
552 
553 	/* When running "evim" or "gvim -y" we need the menus, exit if we
554 	 * don't have them. */
555 	if (!gui.in_use && params.evim_mode)
556 	    mch_exit(1);
557     }
558 #endif
559 
560 #ifdef FEAT_VIMINFO
561     /*
562      * Read in registers, history etc, but not marks, from the viminfo file.
563      * This is where v:oldfiles gets filled.
564      */
565     if (*p_viminfo != NUL)
566     {
567 	read_viminfo(NULL, VIF_WANT_INFO | VIF_GET_OLDFILES);
568 	TIME_MSG("reading viminfo");
569     }
570 #endif
571 #ifdef FEAT_EVAL
572     /* It's better to make v:oldfiles an empty list than NULL. */
573     if (get_vim_var_list(VV_OLDFILES) == NULL)
574 	set_vim_var_list(VV_OLDFILES, list_alloc());
575 #endif
576 
577 #ifdef FEAT_QUICKFIX
578     /*
579      * "-q errorfile": Load the error file now.
580      * If the error file can't be read, exit before doing anything else.
581      */
582     if (params.edit_type == EDIT_QF)
583     {
584 	char_u	*enc = NULL;
585 
586 # ifdef FEAT_MBYTE
587 	enc = p_menc;
588 # endif
589 	if (params.use_ef != NULL)
590 	    set_string_option_direct((char_u *)"ef", -1,
591 					   params.use_ef, OPT_FREE, SID_CARG);
592 	vim_snprintf((char *)IObuff, IOSIZE, "cfile %s", p_ef);
593 	if (qf_init(NULL, p_ef, p_efm, TRUE, IObuff, enc) < 0)
594 	{
595 	    out_char('\n');
596 	    mch_exit(3);
597 	}
598 	TIME_MSG("reading errorfile");
599     }
600 #endif
601 
602     /*
603      * Start putting things on the screen.
604      * Scroll screen down before drawing over it
605      * Clear screen now, so file message will not be cleared.
606      */
607     starting = NO_BUFFERS;
608     no_wait_return = FALSE;
609     if (!exmode_active)
610 	msg_scroll = FALSE;
611 
612 #ifdef FEAT_GUI
613     /*
614      * This seems to be required to make callbacks to be called now, instead
615      * of after things have been put on the screen, which then may be deleted
616      * when getting a resize callback.
617      * For the Mac this handles putting files dropped on the Vim icon to
618      * global_alist.
619      */
620     if (gui.in_use)
621     {
622 # ifdef FEAT_SUN_WORKSHOP
623 	if (!usingSunWorkShop)
624 # endif
625 	    gui_wait_for_chars(50L);
626 	TIME_MSG("GUI delay");
627     }
628 #endif
629 
630 #if defined(FEAT_GUI_PHOTON) && defined(FEAT_CLIPBOARD)
631     qnx_clip_init();
632 #endif
633 
634 #if defined(MACOS_X) && defined(FEAT_CLIPBOARD)
635     clip_init(TRUE);
636 #endif
637 
638 #ifdef FEAT_XCLIPBOARD
639     /* Start using the X clipboard, unless the GUI was started. */
640 # ifdef FEAT_GUI
641     if (!gui.in_use)
642 # endif
643     {
644 	setup_term_clip();
645 	TIME_MSG("setup clipboard");
646     }
647 #endif
648 
649 #ifdef FEAT_CLIENTSERVER
650     /* Prepare for being a Vim server. */
651     prepare_server(&params);
652 #endif
653 
654     /*
655      * If "-" argument given: Read file from stdin.
656      * Do this before starting Raw mode, because it may change things that the
657      * writing end of the pipe doesn't like, e.g., in case stdin and stderr
658      * are the same terminal: "cat | vim -".
659      * Using autocommands here may cause trouble...
660      */
661     if (params.edit_type == EDIT_STDIN && !recoverymode)
662 	read_stdin();
663 
664 #if defined(UNIX) || defined(VMS)
665     /* When switching screens and something caused a message from a vimrc
666      * script, need to output an extra newline on exit. */
667     if ((did_emsg || msg_didout) && *T_TI != NUL)
668 	newline_on_exit = TRUE;
669 #endif
670 
671     /*
672      * When done something that is not allowed or error message call
673      * wait_return.  This must be done before starttermcap(), because it may
674      * switch to another screen. It must be done after settmode(TMODE_RAW),
675      * because we want to react on a single key stroke.
676      * Call settmode and starttermcap here, so the T_KS and T_TI may be
677      * defined by termcapinit and redefined in .exrc.
678      */
679     settmode(TMODE_RAW);
680     TIME_MSG("setting raw mode");
681 
682     if (need_wait_return || msg_didany)
683     {
684 	wait_return(TRUE);
685 	TIME_MSG("waiting for return");
686     }
687 
688     starttermcap();	    /* start termcap if not done by wait_return() */
689     TIME_MSG("start termcap");
690 
691 #ifdef FEAT_MOUSE
692     setmouse();				/* may start using the mouse */
693 #endif
694     if (scroll_region)
695 	scroll_region_reset();		/* In case Rows changed */
696     scroll_start();	/* may scroll the screen to the right position */
697 
698     /*
699      * Don't clear the screen when starting in Ex mode, unless using the GUI.
700      */
701     if (exmode_active
702 #ifdef FEAT_GUI
703 			&& !gui.in_use
704 #endif
705 					)
706 	must_redraw = CLEAR;
707     else
708     {
709 	screenclear();			/* clear screen */
710 	TIME_MSG("clearing screen");
711     }
712 
713 #ifdef FEAT_CRYPT
714     if (params.ask_for_key)
715     {
716 	crypt_check_current_method();
717 	(void)crypt_get_key(TRUE, TRUE);
718 	TIME_MSG("getting crypt key");
719     }
720 #endif
721 
722     no_wait_return = TRUE;
723 
724     /*
725      * Create the requested number of windows and edit buffers in them.
726      * Also does recovery if "recoverymode" set.
727      */
728     create_windows(&params);
729     TIME_MSG("opening buffers");
730 
731 #ifdef FEAT_EVAL
732     /* clear v:swapcommand */
733     set_vim_var_string(VV_SWAPCOMMAND, NULL, -1);
734 #endif
735 
736     /* Ex starts at last line of the file */
737     if (exmode_active)
738 	curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
739 
740 #ifdef FEAT_AUTOCMD
741     apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf);
742     TIME_MSG("BufEnter autocommands");
743 #endif
744     setpcmark();
745 
746 #ifdef FEAT_QUICKFIX
747     /*
748      * When started with "-q errorfile" jump to first error now.
749      */
750     if (params.edit_type == EDIT_QF)
751     {
752 	qf_jump(NULL, 0, 0, FALSE);
753 	TIME_MSG("jump to first error");
754     }
755 #endif
756 
757 #ifdef FEAT_WINDOWS
758     /*
759      * If opened more than one window, start editing files in the other
760      * windows.
761      */
762     edit_buffers(&params, start_dir);
763 #endif
764     vim_free(start_dir);
765 
766 #ifdef FEAT_DIFF
767     if (params.diff_mode)
768     {
769 	win_T	*wp;
770 
771 	/* set options in each window for "vimdiff". */
772 	FOR_ALL_WINDOWS(wp)
773 	    diff_win_options(wp, TRUE);
774     }
775 #endif
776 
777     /*
778      * Shorten any of the filenames, but only when absolute.
779      */
780     shorten_fnames(FALSE);
781 
782     /*
783      * Need to jump to the tag before executing the '-c command'.
784      * Makes "vim -c '/return' -t main" work.
785      */
786     if (params.tagname != NULL)
787     {
788 #if defined(HAS_SWAP_EXISTS_ACTION)
789 	swap_exists_did_quit = FALSE;
790 #endif
791 
792 	vim_snprintf((char *)IObuff, IOSIZE, "ta %s", params.tagname);
793 	do_cmdline_cmd(IObuff);
794 	TIME_MSG("jumping to tag");
795 
796 #if defined(HAS_SWAP_EXISTS_ACTION)
797 	/* If the user doesn't want to edit the file then we quit here. */
798 	if (swap_exists_did_quit)
799 	    getout(1);
800 #endif
801     }
802 
803     /* Execute any "+", "-c" and "-S" arguments. */
804     if (params.n_commands > 0)
805 	exe_commands(&params);
806 
807     /* Must come before the may_req_ calls. */
808     starting = 0;
809 
810 #if defined(FEAT_TERMRESPONSE) && defined(FEAT_MBYTE)
811     /* Must be done before redrawing, puts a few characters on the screen. */
812     may_req_ambiguous_char_width();
813 #endif
814 
815     RedrawingDisabled = 0;
816     redraw_all_later(NOT_VALID);
817     no_wait_return = FALSE;
818 
819     /* 'autochdir' has been postponed */
820     DO_AUTOCHDIR
821 
822 #ifdef FEAT_TERMRESPONSE
823     /* Requesting the termresponse is postponed until here, so that a "-c q"
824      * argument doesn't make it appear in the shell Vim was started from. */
825     may_req_termresponse();
826 
827     may_req_bg_color();
828 #endif
829 
830     /* start in insert mode */
831     if (p_im)
832 	need_start_insertmode = TRUE;
833 
834 #ifdef FEAT_EVAL
835     set_vim_var_nr(VV_VIM_DID_ENTER, 1L);
836 #endif
837 #ifdef FEAT_AUTOCMD
838     apply_autocmds(EVENT_VIMENTER, NULL, NULL, FALSE, curbuf);
839     TIME_MSG("VimEnter autocommands");
840 #endif
841 
842 #if defined(FEAT_EVAL) && defined(FEAT_CLIPBOARD)
843     /* Adjust default register name for "unnamed" in 'clipboard'. Can only be
844      * done after the clipboard is available and all initial commands that may
845      * modify the 'clipboard' setting have run; i.e. just before entering the
846      * main loop. */
847     {
848 	int default_regname = 0;
849 
850 	adjust_clip_reg(&default_regname);
851 	set_reg_var(default_regname);
852     }
853 #endif
854 
855 #if defined(FEAT_DIFF) && defined(FEAT_SCROLLBIND)
856     /* When a startup script or session file setup for diff'ing and
857      * scrollbind, sync the scrollbind now. */
858     if (curwin->w_p_diff && curwin->w_p_scb)
859     {
860 	update_topline();
861 	check_scrollbind((linenr_T)0, 0L);
862 	TIME_MSG("diff scrollbinding");
863     }
864 #endif
865 
866 #if defined(WIN3264) && !defined(FEAT_GUI_W32)
867     mch_set_winsize_now();	    /* Allow winsize changes from now on */
868 #endif
869 
870 #if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
871     /* When tab pages were created, may need to update the tab pages line and
872      * scrollbars.  This is skipped while creating them. */
873     if (first_tabpage->tp_next != NULL)
874     {
875 	out_flush();
876 	gui_init_which_components(NULL);
877 	gui_update_scrollbars(TRUE);
878     }
879     need_mouse_correct = TRUE;
880 #endif
881 
882     /* If ":startinsert" command used, stuff a dummy command to be able to
883      * call normal_cmd(), which will then start Insert mode. */
884     if (restart_edit != 0)
885 	stuffcharReadbuff(K_NOP);
886 
887 #ifdef FEAT_NETBEANS_INTG
888     if (netbeansArg != NULL && strncmp("-nb", netbeansArg, 3) == 0)
889     {
890 # ifdef FEAT_GUI
891 #  if !defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)  \
892 		&& !defined(FEAT_GUI_W32)
893 	if (gui.in_use)
894 	{
895 	    mch_errmsg(_("netbeans is not supported with this GUI\n"));
896 	    mch_exit(2);
897 	}
898 #  endif
899 # endif
900 	/* Tell the client that it can start sending commands. */
901 	netbeans_open(netbeansArg + 3, TRUE);
902     }
903 #endif
904 
905     TIME_MSG("before starting main loop");
906 
907     /*
908      * Call the main command loop.  This never returns.
909     */
910     main_loop(FALSE, FALSE);
911 
912 #endif /* NO_VIM_MAIN */
913 
914     return 0;
915 }
916 
917 /*
918  * Initialisation shared by main() and some tests.
919  */
920     void
921 common_init(mparm_T *paramp)
922 {
923 
924 #ifdef FEAT_MBYTE
925     (void)mb_init();	/* init mb_bytelen_tab[] to ones */
926 #endif
927 #ifdef FEAT_EVAL
928     eval_init();	/* init global variables */
929 #endif
930 
931 #ifdef __QNXNTO__
932     qnx_init();		/* PhAttach() for clipboard, (and gui) */
933 #endif
934 
935 #ifdef MAC_OS_CLASSIC
936     /* Prepare for possibly starting GUI sometime */
937     /* Macintosh needs this before any memory is allocated. */
938     gui_prepare(&paramp->argc, paramp->argv);
939     TIME_MSG("GUI prepared");
940 #endif
941 
942     /* Init the table of Normal mode commands. */
943     init_normal_cmds();
944 
945 #if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
946     make_version();	/* Construct the long version string. */
947 #endif
948 
949     /*
950      * Allocate space for the generic buffers (needed for set_init_1() and
951      * EMSG2()).
952      */
953     if ((IObuff = alloc(IOSIZE)) == NULL
954 	    || (NameBuff = alloc(MAXPATHL)) == NULL)
955 	mch_exit(0);
956     TIME_MSG("Allocated generic buffers");
957 
958 #ifdef NBDEBUG
959     /* Wait a moment for debugging NetBeans.  Must be after allocating
960      * NameBuff. */
961     nbdebug_log_init("SPRO_GVIM_DEBUG", "SPRO_GVIM_DLEVEL");
962     nbdebug_wait(WT_ENV | WT_WAIT | WT_STOP, "SPRO_GVIM_WAIT", 20);
963     TIME_MSG("NetBeans debug wait");
964 #endif
965 
966 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
967     /*
968      * Setup to use the current locale (for ctype() and many other things).
969      * NOTE: Translated messages with encodings other than latin1 will not
970      * work until set_init_1() has been called!
971      */
972     init_locale();
973     TIME_MSG("locale set");
974 #endif
975 
976 #ifdef FEAT_GUI
977     gui.dofork = TRUE;		    /* default is to use fork() */
978 #endif
979 
980     /*
981      * Do a first scan of the arguments in "argv[]":
982      *   -display or --display
983      *   --server...
984      *   --socketid
985      *   --windowid
986      */
987     early_arg_scan(paramp);
988 
989 #ifdef FEAT_SUN_WORKSHOP
990     findYourself(paramp->argv[0]);
991 #endif
992 #if defined(FEAT_GUI) && !defined(MAC_OS_CLASSIC)
993     /* Prepare for possibly starting GUI sometime */
994     gui_prepare(&paramp->argc, paramp->argv);
995     TIME_MSG("GUI prepared");
996 #endif
997 
998 #ifdef FEAT_CLIPBOARD
999     clip_init(FALSE);		/* Initialise clipboard stuff */
1000     TIME_MSG("clipboard setup");
1001 #endif
1002 
1003     /*
1004      * Check if we have an interactive window.
1005      * On the Amiga: If there is no window, we open one with a newcli command
1006      * (needed for :! to * work). mch_check_win() will also handle the -d or
1007      * -dev argument.
1008      */
1009     stdout_isatty = (mch_check_win(paramp->argc, paramp->argv) != FAIL);
1010     TIME_MSG("window checked");
1011 
1012     /*
1013      * Allocate the first window and buffer.
1014      * Can't do anything without it, exit when it fails.
1015      */
1016     if (win_alloc_first() == FAIL)
1017 	mch_exit(0);
1018 
1019     init_yank();		/* init yank buffers */
1020 
1021     alist_init(&global_alist);	/* Init the argument list to empty. */
1022     global_alist.id = 0;
1023 
1024     /*
1025      * Set the default values for the options.
1026      * NOTE: Non-latin1 translated messages are working only after this,
1027      * because this is where "has_mbyte" will be set, which is used by
1028      * msg_outtrans_len_attr().
1029      * First find out the home directory, needed to expand "~" in options.
1030      */
1031     init_homedir();		/* find real value of $HOME */
1032     set_init_1();
1033     TIME_MSG("inits 1");
1034 
1035 #ifdef FEAT_EVAL
1036     set_lang_var();		/* set v:lang and v:ctype */
1037 #endif
1038 }
1039 
1040 /*
1041  * Return TRUE when the --not-a-term argument was found.
1042  */
1043     int
1044 is_not_a_term()
1045 {
1046     return params.not_a_term;
1047 }
1048 
1049 /*
1050  * Main loop: Execute Normal mode commands until exiting Vim.
1051  * Also used to handle commands in the command-line window, until the window
1052  * is closed.
1053  * Also used to handle ":visual" command after ":global": execute Normal mode
1054  * commands, return when entering Ex mode.  "noexmode" is TRUE then.
1055  */
1056     void
1057 main_loop(
1058     int		cmdwin,	    /* TRUE when working in the command-line window */
1059     int		noexmode)   /* TRUE when return on entering Ex mode */
1060 {
1061     oparg_T	oa;				/* operator arguments */
1062     volatile int previous_got_int = FALSE;	/* "got_int" was TRUE */
1063 #ifdef FEAT_CONCEAL
1064     /* these are static to avoid a compiler warning */
1065     static linenr_T	conceal_old_cursor_line = 0;
1066     static linenr_T	conceal_new_cursor_line = 0;
1067     static int		conceal_update_lines = FALSE;
1068 #endif
1069 
1070 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
1071     /* Setup to catch a terminating error from the X server.  Just ignore
1072      * it, restore the state and continue.  This might not always work
1073      * properly, but at least we don't exit unexpectedly when the X server
1074      * exits while Vim is running in a console. */
1075     if (!cmdwin && !noexmode && SETJMP(x_jump_env))
1076     {
1077 	State = NORMAL;
1078 	VIsual_active = FALSE;
1079 	got_int = TRUE;
1080 	need_wait_return = FALSE;
1081 	global_busy = FALSE;
1082 	exmode_active = 0;
1083 	skip_redraw = FALSE;
1084 	RedrawingDisabled = 0;
1085 	no_wait_return = 0;
1086 	vgetc_busy = 0;
1087 # ifdef FEAT_EVAL
1088 	emsg_skip = 0;
1089 # endif
1090 	emsg_off = 0;
1091 # ifdef FEAT_MOUSE
1092 	setmouse();
1093 # endif
1094 	settmode(TMODE_RAW);
1095 	starttermcap();
1096 	scroll_start();
1097 	redraw_later_clear();
1098     }
1099 #endif
1100 
1101     clear_oparg(&oa);
1102     while (!cmdwin
1103 #ifdef FEAT_CMDWIN
1104 	    || cmdwin_result == 0
1105 #endif
1106 	    )
1107     {
1108 	if (stuff_empty())
1109 	{
1110 	    did_check_timestamps = FALSE;
1111 	    if (need_check_timestamps)
1112 		check_timestamps(FALSE);
1113 	    if (need_wait_return)	/* if wait_return still needed ... */
1114 		wait_return(FALSE);	/* ... call it now */
1115 	    if (need_start_insertmode && goto_im() && !VIsual_active)
1116 	    {
1117 		need_start_insertmode = FALSE;
1118 		stuffReadbuff((char_u *)"i");	/* start insert mode next */
1119 		/* skip the fileinfo message now, because it would be shown
1120 		 * after insert mode finishes! */
1121 		need_fileinfo = FALSE;
1122 	    }
1123 	}
1124 
1125 	/* Reset "got_int" now that we got back to the main loop.  Except when
1126 	 * inside a ":g/pat/cmd" command, then the "got_int" needs to abort
1127 	 * the ":g" command.
1128 	 * For ":g/pat/vi" we reset "got_int" when used once.  When used
1129 	 * a second time we go back to Ex mode and abort the ":g" command. */
1130 	if (got_int)
1131 	{
1132 	    if (noexmode && global_busy && !exmode_active && previous_got_int)
1133 	    {
1134 		/* Typed two CTRL-C in a row: go back to ex mode as if "Q" was
1135 		 * used and keep "got_int" set, so that it aborts ":g". */
1136 		exmode_active = EXMODE_NORMAL;
1137 		State = NORMAL;
1138 	    }
1139 	    else if (!global_busy || !exmode_active)
1140 	    {
1141 		if (!quit_more)
1142 		    (void)vgetc();		/* flush all buffers */
1143 		got_int = FALSE;
1144 	    }
1145 	    previous_got_int = TRUE;
1146 	}
1147 	else
1148 	    previous_got_int = FALSE;
1149 
1150 	if (!exmode_active)
1151 	    msg_scroll = FALSE;
1152 	quit_more = FALSE;
1153 
1154 	/*
1155 	 * If skip redraw is set (for ":" in wait_return()), don't redraw now.
1156 	 * If there is nothing in the stuff_buffer or do_redraw is TRUE,
1157 	 * update cursor and redraw.
1158 	 */
1159 	if (skip_redraw || exmode_active)
1160 	    skip_redraw = FALSE;
1161 	else if (do_redraw || stuff_empty())
1162 	{
1163 # ifdef FEAT_GUI
1164 	    /* If ui_breakcheck() was used a resize may have been postponed. */
1165 	    gui_may_resize_shell();
1166 # endif
1167 #if defined(FEAT_AUTOCMD) || defined(FEAT_CONCEAL)
1168 	    /* Trigger CursorMoved if the cursor moved. */
1169 	    if (!finish_op && (
1170 # ifdef FEAT_AUTOCMD
1171 			has_cursormoved()
1172 # endif
1173 # if defined(FEAT_AUTOCMD) && defined(FEAT_CONCEAL)
1174 			||
1175 # endif
1176 # ifdef FEAT_CONCEAL
1177 			curwin->w_p_cole > 0
1178 # endif
1179 			)
1180 # ifdef FEAT_AUTOCMD
1181 		 && !EQUAL_POS(last_cursormoved, curwin->w_cursor)
1182 # endif
1183 		 )
1184 	    {
1185 # ifdef FEAT_AUTOCMD
1186 		if (has_cursormoved())
1187 		    apply_autocmds(EVENT_CURSORMOVED, NULL, NULL,
1188 							       FALSE, curbuf);
1189 # endif
1190 # ifdef FEAT_CONCEAL
1191 		if (curwin->w_p_cole > 0)
1192 		{
1193 #  ifdef FEAT_AUTOCMD
1194 		    conceal_old_cursor_line = last_cursormoved.lnum;
1195 #  endif
1196 		    conceal_new_cursor_line = curwin->w_cursor.lnum;
1197 		    conceal_update_lines = TRUE;
1198 		}
1199 # endif
1200 # ifdef FEAT_AUTOCMD
1201 		last_cursormoved = curwin->w_cursor;
1202 # endif
1203 	    }
1204 #endif
1205 
1206 #ifdef FEAT_AUTOCMD
1207 	    /* Trigger TextChanged if b:changedtick differs. */
1208 	    if (!finish_op && has_textchanged()
1209 		    && last_changedtick != CHANGEDTICK(curbuf))
1210 	    {
1211 		if (last_changedtick_buf == curbuf)
1212 		    apply_autocmds(EVENT_TEXTCHANGED, NULL, NULL,
1213 							       FALSE, curbuf);
1214 		last_changedtick_buf = curbuf;
1215 		last_changedtick = CHANGEDTICK(curbuf);
1216 	    }
1217 #endif
1218 
1219 #if defined(FEAT_DIFF) && defined(FEAT_SCROLLBIND)
1220 	    /* Scroll-binding for diff mode may have been postponed until
1221 	     * here.  Avoids doing it for every change. */
1222 	    if (diff_need_scrollbind)
1223 	    {
1224 		check_scrollbind((linenr_T)0, 0L);
1225 		diff_need_scrollbind = FALSE;
1226 	    }
1227 #endif
1228 #if defined(FEAT_FOLDING)
1229 	    /* Include a closed fold completely in the Visual area. */
1230 	    foldAdjustVisual();
1231 #endif
1232 #ifdef FEAT_FOLDING
1233 	    /*
1234 	     * When 'foldclose' is set, apply 'foldlevel' to folds that don't
1235 	     * contain the cursor.
1236 	     * When 'foldopen' is "all", open the fold(s) under the cursor.
1237 	     * This may mark the window for redrawing.
1238 	     */
1239 	    if (hasAnyFolding(curwin) && !char_avail())
1240 	    {
1241 		foldCheckClose();
1242 		if (fdo_flags & FDO_ALL)
1243 		    foldOpenCursor();
1244 	    }
1245 #endif
1246 
1247 	    /*
1248 	     * Before redrawing, make sure w_topline is correct, and w_leftcol
1249 	     * if lines don't wrap, and w_skipcol if lines wrap.
1250 	     */
1251 	    update_topline();
1252 	    validate_cursor();
1253 
1254 	    if (VIsual_active)
1255 		update_curbuf(INVERTED);/* update inverted part */
1256 	    else if (must_redraw)
1257 		update_screen(0);
1258 	    else if (redraw_cmdline || clear_cmdline)
1259 		showmode();
1260 #ifdef FEAT_WINDOWS
1261 	    redraw_statuslines();
1262 #endif
1263 #ifdef FEAT_TITLE
1264 	    if (need_maketitle)
1265 		maketitle();
1266 #endif
1267 #ifdef FEAT_VIMINFO
1268 	    curbuf->b_last_used = vim_time();
1269 #endif
1270 	    /* display message after redraw */
1271 	    if (keep_msg != NULL)
1272 	    {
1273 		char_u *p;
1274 
1275 		/* msg_attr_keep() will set keep_msg to NULL, must free the
1276 		 * string here. Don't reset keep_msg, msg_attr_keep() uses it
1277 		 * to check for duplicates. */
1278 		p = keep_msg;
1279 		msg_attr(p, keep_msg_attr);
1280 		vim_free(p);
1281 	    }
1282 	    if (need_fileinfo)		/* show file info after redraw */
1283 	    {
1284 		fileinfo(FALSE, TRUE, FALSE);
1285 		need_fileinfo = FALSE;
1286 	    }
1287 
1288 	    emsg_on_display = FALSE;	/* can delete error message now */
1289 	    did_emsg = FALSE;
1290 	    msg_didany = FALSE;		/* reset lines_left in msg_start() */
1291 	    may_clear_sb_text();	/* clear scroll-back text on next msg */
1292 	    showruler(FALSE);
1293 
1294 # if defined(FEAT_CONCEAL)
1295 	    if (conceal_update_lines
1296 		    && (conceal_old_cursor_line != conceal_new_cursor_line
1297 			|| conceal_cursor_line(curwin)
1298 			|| need_cursor_line_redraw))
1299 	    {
1300 		if (conceal_old_cursor_line != conceal_new_cursor_line
1301 			&& conceal_old_cursor_line
1302 						<= curbuf->b_ml.ml_line_count)
1303 		    update_single_line(curwin, conceal_old_cursor_line);
1304 		update_single_line(curwin, conceal_new_cursor_line);
1305 		curwin->w_valid &= ~VALID_CROW;
1306 	    }
1307 # endif
1308 	    setcursor();
1309 	    cursor_on();
1310 
1311 	    do_redraw = FALSE;
1312 
1313 #ifdef STARTUPTIME
1314 	    /* Now that we have drawn the first screen all the startup stuff
1315 	     * has been done, close any file for startup messages. */
1316 	    if (time_fd != NULL)
1317 	    {
1318 		TIME_MSG("first screen update");
1319 		TIME_MSG("--- VIM STARTED ---");
1320 		fclose(time_fd);
1321 		time_fd = NULL;
1322 	    }
1323 #endif
1324 	}
1325 #ifdef FEAT_GUI
1326 	if (need_mouse_correct)
1327 	    gui_mouse_correct();
1328 #endif
1329 
1330 	/*
1331 	 * Update w_curswant if w_set_curswant has been set.
1332 	 * Postponed until here to avoid computing w_virtcol too often.
1333 	 */
1334 	update_curswant();
1335 
1336 #ifdef FEAT_EVAL
1337 	/*
1338 	 * May perform garbage collection when waiting for a character, but
1339 	 * only at the very toplevel.  Otherwise we may be using a List or
1340 	 * Dict internally somewhere.
1341 	 * "may_garbage_collect" is reset in vgetc() which is invoked through
1342 	 * do_exmode() and normal_cmd().
1343 	 */
1344 	may_garbage_collect = (!cmdwin && !noexmode);
1345 #endif
1346 	/*
1347 	 * If we're invoked as ex, do a round of ex commands.
1348 	 * Otherwise, get and execute a normal mode command.
1349 	 */
1350 	if (exmode_active)
1351 	{
1352 	    if (noexmode)   /* End of ":global/path/visual" commands */
1353 		return;
1354 	    do_exmode(exmode_active == EXMODE_VIM);
1355 	}
1356 	else
1357 	{
1358 #ifdef FEAT_TERMINAL
1359 	    if (term_use_loop()
1360 		    && oa.op_type == OP_NOP && oa.regname == NUL
1361 		    && !VIsual_active)
1362 	    {
1363 		/* If terminal_loop() returns OK we got a key that is handled
1364 		 * in Normal model.  With FAIL we first need to position the
1365 		 * cursor and the screen needs to be redrawn. */
1366 		if (terminal_loop() == OK)
1367 		    normal_cmd(&oa, TRUE);
1368 	    }
1369 	    else
1370 #endif
1371 		normal_cmd(&oa, TRUE);
1372 	}
1373     }
1374 }
1375 
1376 
1377 #if defined(USE_XSMP) || defined(FEAT_GUI) || defined(PROTO)
1378 /*
1379  * Exit, but leave behind swap files for modified buffers.
1380  */
1381     void
1382 getout_preserve_modified(int exitval)
1383 {
1384 # if defined(SIGHUP) && defined(SIG_IGN)
1385     /* Ignore SIGHUP, because a dropped connection causes a read error, which
1386      * makes Vim exit and then handling SIGHUP causes various reentrance
1387      * problems. */
1388     signal(SIGHUP, SIG_IGN);
1389 # endif
1390 
1391     ml_close_notmod();		    /* close all not-modified buffers */
1392     ml_sync_all(FALSE, FALSE);	    /* preserve all swap files */
1393     ml_close_all(FALSE);	    /* close all memfiles, without deleting */
1394     getout(exitval);		    /* exit Vim properly */
1395 }
1396 #endif
1397 
1398 
1399 /*
1400  * Exit properly.
1401  */
1402     void
1403 getout(int exitval)
1404 {
1405 #ifdef FEAT_AUTOCMD
1406     buf_T	*buf;
1407     win_T	*wp;
1408     tabpage_T	*tp, *next_tp;
1409 #endif
1410 
1411     exiting = TRUE;
1412 
1413     /* When running in Ex mode an error causes us to exit with a non-zero exit
1414      * code.  POSIX requires this, although it's not 100% clear from the
1415      * standard. */
1416     if (exmode_active)
1417 	exitval += ex_exitval;
1418 
1419     /* Position the cursor on the last screen line, below all the text */
1420 #ifdef FEAT_GUI
1421     if (!gui.in_use)
1422 #endif
1423 	windgoto((int)Rows - 1, 0);
1424 
1425 #if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
1426     /* Optionally print hashtable efficiency. */
1427     hash_debug_results();
1428 #endif
1429 
1430 #ifdef FEAT_GUI
1431     msg_didany = FALSE;
1432 #endif
1433 
1434 #ifdef FEAT_AUTOCMD
1435     if (get_vim_var_nr(VV_DYING) <= 1)
1436     {
1437 	/* Trigger BufWinLeave for all windows, but only once per buffer. */
1438 # if defined FEAT_WINDOWS
1439 	for (tp = first_tabpage; tp != NULL; tp = next_tp)
1440 	{
1441 	    next_tp = tp->tp_next;
1442 	    FOR_ALL_WINDOWS_IN_TAB(tp, wp)
1443 	    {
1444 		if (wp->w_buffer == NULL)
1445 		    /* Autocmd must have close the buffer already, skip. */
1446 		    continue;
1447 		buf = wp->w_buffer;
1448 		if (CHANGEDTICK(buf) != -1)
1449 		{
1450 		    apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname,
1451 						    buf->b_fname, FALSE, buf);
1452 		    CHANGEDTICK(buf) = -1;  /* note that we did it already */
1453 		    /* start all over, autocommands may mess up the lists */
1454 		    next_tp = first_tabpage;
1455 		    break;
1456 		}
1457 	    }
1458 	}
1459 # else
1460 	apply_autocmds(EVENT_BUFWINLEAVE, curbuf, curbuf->b_fname,
1461 							       FALSE, curbuf);
1462 # endif
1463 
1464 	/* Trigger BufUnload for buffers that are loaded */
1465 	FOR_ALL_BUFFERS(buf)
1466 	    if (buf->b_ml.ml_mfp != NULL)
1467 	    {
1468 		bufref_T bufref;
1469 
1470 		set_bufref(&bufref, buf);
1471 		apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname,
1472 								  FALSE, buf);
1473 		if (!bufref_valid(&bufref))
1474 		    /* autocmd deleted the buffer */
1475 		    break;
1476 	    }
1477 	apply_autocmds(EVENT_VIMLEAVEPRE, NULL, NULL, FALSE, curbuf);
1478     }
1479 #endif
1480 
1481 #ifdef FEAT_VIMINFO
1482     if (*p_viminfo != NUL)
1483 	/* Write out the registers, history, marks etc, to the viminfo file */
1484 	write_viminfo(NULL, FALSE);
1485 #endif
1486 
1487 #ifdef FEAT_AUTOCMD
1488     if (get_vim_var_nr(VV_DYING) <= 1)
1489 	apply_autocmds(EVENT_VIMLEAVE, NULL, NULL, FALSE, curbuf);
1490 #endif
1491 
1492 #ifdef FEAT_PROFILE
1493     profile_dump();
1494 #endif
1495 
1496     if (did_emsg
1497 #ifdef FEAT_GUI
1498 	    || (gui.in_use && msg_didany && p_verbose > 0)
1499 #endif
1500 	    )
1501     {
1502 	/* give the user a chance to read the (error) message */
1503 	no_wait_return = FALSE;
1504 	wait_return(FALSE);
1505     }
1506 
1507 #ifdef FEAT_AUTOCMD
1508     /* Position the cursor again, the autocommands may have moved it */
1509 # ifdef FEAT_GUI
1510     if (!gui.in_use)
1511 # endif
1512 	windgoto((int)Rows - 1, 0);
1513 #endif
1514 
1515 #ifdef FEAT_JOB_CHANNEL
1516     job_stop_on_exit();
1517 #endif
1518 #ifdef FEAT_LUA
1519     lua_end();
1520 #endif
1521 #ifdef FEAT_MZSCHEME
1522     mzscheme_end();
1523 #endif
1524 #ifdef FEAT_TCL
1525     tcl_end();
1526 #endif
1527 #ifdef FEAT_RUBY
1528     ruby_end();
1529 #endif
1530 #ifdef FEAT_PYTHON
1531     python_end();
1532 #endif
1533 #ifdef FEAT_PYTHON3
1534     python3_end();
1535 #endif
1536 #ifdef FEAT_PERL
1537     perl_end();
1538 #endif
1539 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
1540     iconv_end();
1541 #endif
1542 #ifdef FEAT_NETBEANS_INTG
1543     netbeans_end();
1544 #endif
1545 #ifdef FEAT_CSCOPE
1546     cs_end();
1547 #endif
1548 #ifdef FEAT_EVAL
1549     if (garbage_collect_at_exit)
1550 	garbage_collect(FALSE);
1551 #endif
1552 #if defined(WIN32) && defined(FEAT_MBYTE)
1553     free_cmd_argsW();
1554 #endif
1555 
1556     mch_exit(exitval);
1557 }
1558 
1559 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
1560 /*
1561  * Setup to use the current locale (for ctype() and many other things).
1562  */
1563     static void
1564 init_locale(void)
1565 {
1566     setlocale(LC_ALL, "");
1567 
1568 # ifdef FEAT_GUI_GTK
1569     /* Tell Gtk not to change our locale settings. */
1570     gtk_disable_setlocale();
1571 # endif
1572 # if defined(FEAT_FLOAT) && defined(LC_NUMERIC)
1573     /* Make sure strtod() uses a decimal point, not a comma. */
1574     setlocale(LC_NUMERIC, "C");
1575 # endif
1576 
1577 # ifdef WIN32
1578     /* Apparently MS-Windows printf() may cause a crash when we give it 8-bit
1579      * text while it's expecting text in the current locale.  This call avoids
1580      * that. */
1581     setlocale(LC_CTYPE, "C");
1582 # endif
1583 
1584 # ifdef FEAT_GETTEXT
1585     {
1586 	int	mustfree = FALSE;
1587 	char_u	*p;
1588 
1589 #  ifdef DYNAMIC_GETTEXT
1590 	/* Initialize the gettext library */
1591 	dyn_libintl_init();
1592 #  endif
1593 	/* expand_env() doesn't work yet, because g_chartab[] is not
1594 	 * initialized yet, call vim_getenv() directly */
1595 	p = vim_getenv((char_u *)"VIMRUNTIME", &mustfree);
1596 	if (p != NULL && *p != NUL)
1597 	{
1598 	    vim_snprintf((char *)NameBuff, MAXPATHL, "%s/lang", p);
1599 	    bindtextdomain(VIMPACKAGE, (char *)NameBuff);
1600 	}
1601 	if (mustfree)
1602 	    vim_free(p);
1603 	textdomain(VIMPACKAGE);
1604     }
1605 # endif
1606 }
1607 #endif
1608 
1609 /*
1610  * Get the name of the display, before gui_prepare() removes it from
1611  * argv[].  Used for the xterm-clipboard display.
1612  *
1613  * Also find the --server... arguments and --socketid and --windowid
1614  */
1615     static void
1616 early_arg_scan(mparm_T *parmp UNUSED)
1617 {
1618 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_CLIENTSERVER) \
1619 	|| !defined(FEAT_NETBEANS_INTG)
1620     int		argc = parmp->argc;
1621     char	**argv = parmp->argv;
1622     int		i;
1623 
1624     for (i = 1; i < argc; i++)
1625     {
1626 	if (STRCMP(argv[i], "--") == 0)
1627 	    break;
1628 # ifdef FEAT_XCLIPBOARD
1629 	else if (STRICMP(argv[i], "-display") == 0
1630 #  if defined(FEAT_GUI_GTK)
1631 		|| STRICMP(argv[i], "--display") == 0
1632 #  endif
1633 		)
1634 	{
1635 	    if (i == argc - 1)
1636 		mainerr_arg_missing((char_u *)argv[i]);
1637 	    xterm_display = argv[++i];
1638 	}
1639 # endif
1640 # ifdef FEAT_CLIENTSERVER
1641 	else if (STRICMP(argv[i], "--servername") == 0)
1642 	{
1643 	    if (i == argc - 1)
1644 		mainerr_arg_missing((char_u *)argv[i]);
1645 	    parmp->serverName_arg = (char_u *)argv[++i];
1646 	}
1647 	else if (STRICMP(argv[i], "--serverlist") == 0)
1648 	    parmp->serverArg = TRUE;
1649 	else if (STRNICMP(argv[i], "--remote", 8) == 0)
1650 	{
1651 	    parmp->serverArg = TRUE;
1652 #  ifdef FEAT_GUI
1653 	    if (strstr(argv[i], "-wait") != 0)
1654 		/* don't fork() when starting the GUI to edit files ourself */
1655 		gui.dofork = FALSE;
1656 #  endif
1657 	}
1658 # endif
1659 
1660 # if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)
1661 #  ifdef FEAT_GUI_W32
1662 	else if (STRICMP(argv[i], "--windowid") == 0)
1663 #  else
1664 	else if (STRICMP(argv[i], "--socketid") == 0)
1665 #  endif
1666 	{
1667 	    long_u	id;
1668 	    int		count;
1669 
1670 	    if (i == argc - 1)
1671 		mainerr_arg_missing((char_u *)argv[i]);
1672 	    if (STRNICMP(argv[i+1], "0x", 2) == 0)
1673 		count = sscanf(&(argv[i + 1][2]), SCANF_HEX_LONG_U, &id);
1674 	    else
1675 		count = sscanf(argv[i + 1], SCANF_DECIMAL_LONG_U, &id);
1676 	    if (count != 1)
1677 		mainerr(ME_INVALID_ARG, (char_u *)argv[i]);
1678 	    else
1679 #  ifdef FEAT_GUI_W32
1680 		win_socket_id = id;
1681 #  else
1682 		gtk_socket_id = id;
1683 #  endif
1684 	    i++;
1685 	}
1686 # endif
1687 # ifdef FEAT_GUI_GTK
1688 	else if (STRICMP(argv[i], "--echo-wid") == 0)
1689 	    echo_wid_arg = TRUE;
1690 # endif
1691 # ifndef FEAT_NETBEANS_INTG
1692 	else if (strncmp(argv[i], "-nb", (size_t)3) == 0)
1693 	{
1694 	    mch_errmsg(_("'-nb' cannot be used: not enabled at compile time\n"));
1695 	    mch_exit(2);
1696 	}
1697 # endif
1698 
1699     }
1700 #endif
1701 }
1702 
1703 #ifndef NO_VIM_MAIN
1704 /*
1705  * Get a (optional) count for a Vim argument.
1706  */
1707     static int
1708 get_number_arg(
1709     char_u	*p,	    /* pointer to argument */
1710     int		*idx,	    /* index in argument, is incremented */
1711     int		def)	    /* default value */
1712 {
1713     if (vim_isdigit(p[*idx]))
1714     {
1715 	def = atoi((char *)&(p[*idx]));
1716 	while (vim_isdigit(p[*idx]))
1717 	    *idx = *idx + 1;
1718     }
1719     return def;
1720 }
1721 
1722 /*
1723  * Check for: [r][e][g][vi|vim|view][diff][ex[im]]
1724  * If the executable name starts with "r" we disable shell commands.
1725  * If the next character is "e" we run in Easy mode.
1726  * If the next character is "g" we run the GUI version.
1727  * If the next characters are "view" we start in readonly mode.
1728  * If the next characters are "diff" or "vimdiff" we start in diff mode.
1729  * If the next characters are "ex" we start in Ex mode.  If it's followed
1730  * by "im" use improved Ex mode.
1731  */
1732     static void
1733 parse_command_name(mparm_T *parmp)
1734 {
1735     char_u	*initstr;
1736 
1737     initstr = gettail((char_u *)parmp->argv[0]);
1738 
1739 #ifdef MACOS_X_UNIX
1740     /* An issue has been seen when launching Vim in such a way that
1741      * $PWD/$ARGV[0] or $ARGV[0] is not the absolute path to the
1742      * executable or a symbolic link of it. Until this issue is resolved
1743      * we prohibit the GUI from being used.
1744      */
1745     if (STRCMP(initstr, parmp->argv[0]) == 0)
1746 	disallow_gui = TRUE;
1747 
1748     /* TODO: On MacOS X default to gui if argv[0] ends in:
1749      *       /Vim.app/Contents/MacOS/Vim */
1750 #endif
1751 
1752 #ifdef FEAT_EVAL
1753     set_vim_var_string(VV_PROGNAME, initstr, -1);
1754     set_progpath((char_u *)parmp->argv[0]);
1755 #endif
1756 
1757     if (TOLOWER_ASC(initstr[0]) == 'r')
1758     {
1759 	restricted = TRUE;
1760 	++initstr;
1761     }
1762 
1763     /* Use evim mode for "evim" and "egvim", not for "editor". */
1764     if (TOLOWER_ASC(initstr[0]) == 'e'
1765 	    && (TOLOWER_ASC(initstr[1]) == 'v'
1766 		|| TOLOWER_ASC(initstr[1]) == 'g'))
1767     {
1768 #ifdef FEAT_GUI
1769 	gui.starting = TRUE;
1770 #endif
1771 	parmp->evim_mode = TRUE;
1772 	++initstr;
1773     }
1774 
1775     /* "gvim" starts the GUI.  Also accept "Gvim" for MS-Windows. */
1776     if (TOLOWER_ASC(initstr[0]) == 'g')
1777     {
1778 	main_start_gui();
1779 #ifdef FEAT_GUI
1780 	++initstr;
1781 #endif
1782     }
1783 
1784     if (STRNICMP(initstr, "view", 4) == 0)
1785     {
1786 	readonlymode = TRUE;
1787 	curbuf->b_p_ro = TRUE;
1788 	p_uc = 10000;			/* don't update very often */
1789 	initstr += 4;
1790     }
1791     else if (STRNICMP(initstr, "vim", 3) == 0)
1792 	initstr += 3;
1793 
1794     /* Catch "[r][g]vimdiff" and "[r][g]viewdiff". */
1795     if (STRICMP(initstr, "diff") == 0)
1796     {
1797 #ifdef FEAT_DIFF
1798 	parmp->diff_mode = TRUE;
1799 #else
1800 	mch_errmsg(_("This Vim was not compiled with the diff feature."));
1801 	mch_errmsg("\n");
1802 	mch_exit(2);
1803 #endif
1804     }
1805 
1806     if (STRNICMP(initstr, "ex", 2) == 0)
1807     {
1808 	if (STRNICMP(initstr + 2, "im", 2) == 0)
1809 	    exmode_active = EXMODE_VIM;
1810 	else
1811 	    exmode_active = EXMODE_NORMAL;
1812 	change_compatible(TRUE);	/* set 'compatible' */
1813     }
1814 }
1815 
1816 /*
1817  * Scan the command line arguments.
1818  */
1819     static void
1820 command_line_scan(mparm_T *parmp)
1821 {
1822     int		argc = parmp->argc;
1823     char	**argv = parmp->argv;
1824     int		argv_idx;		/* index in argv[n][] */
1825     int		had_minmin = FALSE;	/* found "--" argument */
1826     int		want_argument;		/* option argument with argument */
1827     int		c;
1828     char_u	*p = NULL;
1829     long	n;
1830 
1831     --argc;
1832     ++argv;
1833     argv_idx = 1;	    /* active option letter is argv[0][argv_idx] */
1834     while (argc > 0)
1835     {
1836 	/*
1837 	 * "+" or "+{number}" or "+/{pat}" or "+{command}" argument.
1838 	 */
1839 	if (argv[0][0] == '+' && !had_minmin)
1840 	{
1841 	    if (parmp->n_commands >= MAX_ARG_CMDS)
1842 		mainerr(ME_EXTRA_CMD, NULL);
1843 	    argv_idx = -1;	    /* skip to next argument */
1844 	    if (argv[0][1] == NUL)
1845 		parmp->commands[parmp->n_commands++] = (char_u *)"$";
1846 	    else
1847 		parmp->commands[parmp->n_commands++] = (char_u *)&(argv[0][1]);
1848 	}
1849 
1850 	/*
1851 	 * Optional argument.
1852 	 */
1853 	else if (argv[0][0] == '-' && !had_minmin)
1854 	{
1855 	    want_argument = FALSE;
1856 	    c = argv[0][argv_idx++];
1857 #ifdef VMS
1858 	    /*
1859 	     * VMS only uses upper case command lines.  Interpret "-X" as "-x"
1860 	     * and "-/X" as "-X".
1861 	     */
1862 	    if (c == '/')
1863 	    {
1864 		c = argv[0][argv_idx++];
1865 		c = TOUPPER_ASC(c);
1866 	    }
1867 	    else
1868 		c = TOLOWER_ASC(c);
1869 #endif
1870 	    switch (c)
1871 	    {
1872 	    case NUL:		/* "vim -"  read from stdin */
1873 				/* "ex -" silent mode */
1874 		if (exmode_active)
1875 		    silent_mode = TRUE;
1876 		else
1877 		{
1878 		    if (parmp->edit_type != EDIT_NONE)
1879 			mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
1880 		    parmp->edit_type = EDIT_STDIN;
1881 		    read_cmd_fd = 2;	/* read from stderr instead of stdin */
1882 		}
1883 		argv_idx = -1;		/* skip to next argument */
1884 		break;
1885 
1886 	    case '-':		/* "--" don't take any more option arguments */
1887 				/* "--help" give help message */
1888 				/* "--version" give version message */
1889 				/* "--clean" clean context */
1890 				/* "--literal" take files literally */
1891 				/* "--nofork" don't fork */
1892 				/* "--not-a-term" don't warn for not a term */
1893 				/* "--ttyfail" exit if not a term */
1894 				/* "--noplugin[s]" skip plugins */
1895 				/* "--cmd <cmd>" execute cmd before vimrc */
1896 		if (STRICMP(argv[0] + argv_idx, "help") == 0)
1897 		    usage();
1898 		else if (STRICMP(argv[0] + argv_idx, "version") == 0)
1899 		{
1900 		    Columns = 80;	/* need to init Columns */
1901 		    info_message = TRUE; /* use mch_msg(), not mch_errmsg() */
1902 		    list_version();
1903 		    msg_putchar('\n');
1904 		    msg_didout = FALSE;
1905 		    mch_exit(0);
1906 		}
1907 		else if (STRNICMP(argv[0] + argv_idx, "clean", 5) == 0)
1908 		{
1909 		    parmp->use_vimrc = (char_u *)"DEFAULTS";
1910 		    set_option_value((char_u *)"vif", 0L, (char_u *)"NONE", 0);
1911 		}
1912 		else if (STRNICMP(argv[0] + argv_idx, "literal", 7) == 0)
1913 		{
1914 #ifdef EXPAND_FILENAMES
1915 		    parmp->literal = TRUE;
1916 #endif
1917 		}
1918 		else if (STRNICMP(argv[0] + argv_idx, "nofork", 6) == 0)
1919 		{
1920 #ifdef FEAT_GUI
1921 		    gui.dofork = FALSE;	/* don't fork() when starting GUI */
1922 #endif
1923 		}
1924 		else if (STRNICMP(argv[0] + argv_idx, "noplugin", 8) == 0)
1925 		    p_lpl = FALSE;
1926 		else if (STRNICMP(argv[0] + argv_idx, "not-a-term", 10) == 0)
1927 		    parmp->not_a_term = TRUE;
1928 		else if (STRNICMP(argv[0] + argv_idx, "ttyfail", 7) == 0)
1929 		    parmp->tty_fail = TRUE;
1930 		else if (STRNICMP(argv[0] + argv_idx, "cmd", 3) == 0)
1931 		{
1932 		    want_argument = TRUE;
1933 		    argv_idx += 3;
1934 		}
1935 		else if (STRNICMP(argv[0] + argv_idx, "startuptime", 11) == 0)
1936 		{
1937 		    want_argument = TRUE;
1938 		    argv_idx += 11;
1939 		}
1940 #ifdef FEAT_CLIENTSERVER
1941 		else if (STRNICMP(argv[0] + argv_idx, "serverlist", 10) == 0)
1942 		    ; /* already processed -- no arg */
1943 		else if (STRNICMP(argv[0] + argv_idx, "servername", 10) == 0
1944 		       || STRNICMP(argv[0] + argv_idx, "serversend", 10) == 0)
1945 		{
1946 		    /* already processed -- snatch the following arg */
1947 		    if (argc > 1)
1948 		    {
1949 			--argc;
1950 			++argv;
1951 		    }
1952 		}
1953 #endif
1954 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)
1955 # ifdef FEAT_GUI_GTK
1956 		else if (STRNICMP(argv[0] + argv_idx, "socketid", 8) == 0)
1957 # else
1958 		else if (STRNICMP(argv[0] + argv_idx, "windowid", 8) == 0)
1959 # endif
1960 		{
1961 		    /* already processed -- snatch the following arg */
1962 		    if (argc > 1)
1963 		    {
1964 			--argc;
1965 			++argv;
1966 		    }
1967 		}
1968 #endif
1969 #ifdef FEAT_GUI_GTK
1970 		else if (STRNICMP(argv[0] + argv_idx, "echo-wid", 8) == 0)
1971 		{
1972 		    /* already processed, skip */
1973 		}
1974 #endif
1975 		else
1976 		{
1977 		    if (argv[0][argv_idx])
1978 			mainerr(ME_UNKNOWN_OPTION, (char_u *)argv[0]);
1979 		    had_minmin = TRUE;
1980 		}
1981 		if (!want_argument)
1982 		    argv_idx = -1;	/* skip to next argument */
1983 		break;
1984 
1985 	    case 'A':		/* "-A" start in Arabic mode */
1986 #ifdef FEAT_ARABIC
1987 		set_option_value((char_u *)"arabic", 1L, NULL, 0);
1988 #else
1989 		mch_errmsg(_(e_noarabic));
1990 		mch_exit(2);
1991 #endif
1992 		break;
1993 
1994 	    case 'b':		/* "-b" binary mode */
1995 		/* Needs to be effective before expanding file names, because
1996 		 * for Win32 this makes us edit a shortcut file itself,
1997 		 * instead of the file it links to. */
1998 		set_options_bin(curbuf->b_p_bin, 1, 0);
1999 		curbuf->b_p_bin = 1;	    /* binary file I/O */
2000 		break;
2001 
2002 	    case 'C':		/* "-C"  Compatible */
2003 		change_compatible(TRUE);
2004 		has_dash_c_arg = TRUE;
2005 		break;
2006 
2007 	    case 'e':		/* "-e" Ex mode */
2008 		exmode_active = EXMODE_NORMAL;
2009 		break;
2010 
2011 	    case 'E':		/* "-E" Improved Ex mode */
2012 		exmode_active = EXMODE_VIM;
2013 		break;
2014 
2015 	    case 'f':		/* "-f"  GUI: run in foreground.  Amiga: open
2016 				window directly, not with newcli */
2017 #ifdef FEAT_GUI
2018 		gui.dofork = FALSE;	/* don't fork() when starting GUI */
2019 #endif
2020 		break;
2021 
2022 	    case 'g':		/* "-g" start GUI */
2023 		main_start_gui();
2024 		break;
2025 
2026 	    case 'F':		/* "-F" start in Farsi mode: rl + fkmap set */
2027 #ifdef FEAT_FKMAP
2028 		p_fkmap = TRUE;
2029 		set_option_value((char_u *)"rl", 1L, NULL, 0);
2030 #else
2031 		mch_errmsg(_(e_nofarsi));
2032 		mch_exit(2);
2033 #endif
2034 		break;
2035 
2036 	    case 'h':		/* "-h" give help message */
2037 #ifdef FEAT_GUI_GNOME
2038 		/* Tell usage() to exit for "gvim". */
2039 		gui.starting = FALSE;
2040 #endif
2041 		usage();
2042 		break;
2043 
2044 	    case 'H':		/* "-H" start in Hebrew mode: rl + hkmap set */
2045 #ifdef FEAT_RIGHTLEFT
2046 		p_hkmap = TRUE;
2047 		set_option_value((char_u *)"rl", 1L, NULL, 0);
2048 #else
2049 		mch_errmsg(_(e_nohebrew));
2050 		mch_exit(2);
2051 #endif
2052 		break;
2053 
2054 	    case 'l':		/* "-l" lisp mode, 'lisp' and 'showmatch' on */
2055 #ifdef FEAT_LISP
2056 		set_option_value((char_u *)"lisp", 1L, NULL, 0);
2057 		p_sm = TRUE;
2058 #endif
2059 		break;
2060 
2061 	    case 'M':		/* "-M"  no changes or writing of files */
2062 		reset_modifiable();
2063 		/* FALLTHROUGH */
2064 
2065 	    case 'm':		/* "-m"  no writing of files */
2066 		p_write = FALSE;
2067 		break;
2068 
2069 	    case 'y':		/* "-y"  easy mode */
2070 #ifdef FEAT_GUI
2071 		gui.starting = TRUE;	/* start GUI a bit later */
2072 #endif
2073 		parmp->evim_mode = TRUE;
2074 		break;
2075 
2076 	    case 'N':		/* "-N"  Nocompatible */
2077 		change_compatible(FALSE);
2078 		break;
2079 
2080 	    case 'n':		/* "-n" no swap file */
2081 #ifdef FEAT_NETBEANS_INTG
2082 		/* checking for "-nb", netbeans parameters */
2083 		if (argv[0][argv_idx] == 'b')
2084 		{
2085 		    netbeansArg = argv[0];
2086 		    argv_idx = -1;	    /* skip to next argument */
2087 		}
2088 		else
2089 #endif
2090 		parmp->no_swap_file = TRUE;
2091 		break;
2092 
2093 	    case 'p':		/* "-p[N]" open N tab pages */
2094 #ifdef TARGET_API_MAC_OSX
2095 		/* For some reason on MacOS X, an argument like:
2096 		   -psn_0_10223617 is passed in when invoke from Finder
2097 		   or with the 'open' command */
2098 		if (argv[0][argv_idx] == 's')
2099 		{
2100 		    argv_idx = -1; /* bypass full -psn */
2101 		    main_start_gui();
2102 		    break;
2103 		}
2104 #endif
2105 #ifdef FEAT_WINDOWS
2106 		/* default is 0: open window for each file */
2107 		parmp->window_count = get_number_arg((char_u *)argv[0],
2108 								&argv_idx, 0);
2109 		parmp->window_layout = WIN_TABS;
2110 #endif
2111 		break;
2112 
2113 	    case 'o':		/* "-o[N]" open N horizontal split windows */
2114 #ifdef FEAT_WINDOWS
2115 		/* default is 0: open window for each file */
2116 		parmp->window_count = get_number_arg((char_u *)argv[0],
2117 								&argv_idx, 0);
2118 		parmp->window_layout = WIN_HOR;
2119 #endif
2120 		break;
2121 
2122 		case 'O':	/* "-O[N]" open N vertical split windows */
2123 #ifdef FEAT_WINDOWS
2124 		/* default is 0: open window for each file */
2125 		parmp->window_count = get_number_arg((char_u *)argv[0],
2126 								&argv_idx, 0);
2127 		parmp->window_layout = WIN_VER;
2128 #endif
2129 		break;
2130 
2131 #ifdef FEAT_QUICKFIX
2132 	    case 'q':		/* "-q" QuickFix mode */
2133 		if (parmp->edit_type != EDIT_NONE)
2134 		    mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
2135 		parmp->edit_type = EDIT_QF;
2136 		if (argv[0][argv_idx])		/* "-q{errorfile}" */
2137 		{
2138 		    parmp->use_ef = (char_u *)argv[0] + argv_idx;
2139 		    argv_idx = -1;
2140 		}
2141 		else if (argc > 1)		/* "-q {errorfile}" */
2142 		    want_argument = TRUE;
2143 		break;
2144 #endif
2145 
2146 	    case 'R':		/* "-R" readonly mode */
2147 		readonlymode = TRUE;
2148 		curbuf->b_p_ro = TRUE;
2149 		p_uc = 10000;			/* don't update very often */
2150 		break;
2151 
2152 	    case 'r':		/* "-r" recovery mode */
2153 	    case 'L':		/* "-L" recovery mode */
2154 		recoverymode = 1;
2155 		break;
2156 
2157 	    case 's':
2158 		if (exmode_active)	/* "-s" silent (batch) mode */
2159 		    silent_mode = TRUE;
2160 		else		/* "-s {scriptin}" read from script file */
2161 		    want_argument = TRUE;
2162 		break;
2163 
2164 	    case 't':		/* "-t {tag}" or "-t{tag}" jump to tag */
2165 		if (parmp->edit_type != EDIT_NONE)
2166 		    mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
2167 		parmp->edit_type = EDIT_TAG;
2168 		if (argv[0][argv_idx])		/* "-t{tag}" */
2169 		{
2170 		    parmp->tagname = (char_u *)argv[0] + argv_idx;
2171 		    argv_idx = -1;
2172 		}
2173 		else				/* "-t {tag}" */
2174 		    want_argument = TRUE;
2175 		break;
2176 
2177 #ifdef FEAT_EVAL
2178 	    case 'D':		/* "-D"		Debugging */
2179 		parmp->use_debug_break_level = 9999;
2180 		break;
2181 #endif
2182 #ifdef FEAT_DIFF
2183 	    case 'd':		/* "-d"		'diff' */
2184 # ifdef AMIGA
2185 		/* check for "-dev {device}" */
2186 		if (argv[0][argv_idx] == 'e' && argv[0][argv_idx + 1] == 'v')
2187 		    want_argument = TRUE;
2188 		else
2189 # endif
2190 		    parmp->diff_mode = TRUE;
2191 		break;
2192 #endif
2193 	    case 'V':		/* "-V{N}"	Verbose level */
2194 		/* default is 10: a little bit verbose */
2195 		p_verbose = get_number_arg((char_u *)argv[0], &argv_idx, 10);
2196 		if (argv[0][argv_idx] != NUL)
2197 		{
2198 		    set_option_value((char_u *)"verbosefile", 0L,
2199 					     (char_u *)argv[0] + argv_idx, 0);
2200 		    argv_idx = (int)STRLEN(argv[0]);
2201 		}
2202 		break;
2203 
2204 	    case 'v':		/* "-v"  Vi-mode (as if called "vi") */
2205 		exmode_active = 0;
2206 #ifdef FEAT_GUI
2207 		gui.starting = FALSE;	/* don't start GUI */
2208 #endif
2209 		break;
2210 
2211 	    case 'w':		/* "-w{number}"	set window height */
2212 				/* "-w {scriptout}"	write to script */
2213 		if (vim_isdigit(((char_u *)argv[0])[argv_idx]))
2214 		{
2215 		    n = get_number_arg((char_u *)argv[0], &argv_idx, 10);
2216 		    set_option_value((char_u *)"window", n, NULL, 0);
2217 		    break;
2218 		}
2219 		want_argument = TRUE;
2220 		break;
2221 
2222 #ifdef FEAT_CRYPT
2223 	    case 'x':		/* "-x"  encrypted reading/writing of files */
2224 		parmp->ask_for_key = TRUE;
2225 		break;
2226 #endif
2227 
2228 	    case 'X':		/* "-X"  don't connect to X server */
2229 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
2230 		x_no_connect = TRUE;
2231 #endif
2232 		break;
2233 
2234 	    case 'Z':		/* "-Z"  restricted mode */
2235 		restricted = TRUE;
2236 		break;
2237 
2238 	    case 'c':		/* "-c{command}" or "-c {command}" execute
2239 				   command */
2240 		if (argv[0][argv_idx] != NUL)
2241 		{
2242 		    if (parmp->n_commands >= MAX_ARG_CMDS)
2243 			mainerr(ME_EXTRA_CMD, NULL);
2244 		    parmp->commands[parmp->n_commands++] = (char_u *)argv[0]
2245 								   + argv_idx;
2246 		    argv_idx = -1;
2247 		    break;
2248 		}
2249 		/*FALLTHROUGH*/
2250 	    case 'S':		/* "-S {file}" execute Vim script */
2251 	    case 'i':		/* "-i {viminfo}" use for viminfo */
2252 #ifndef FEAT_DIFF
2253 	    case 'd':		/* "-d {device}" device (for Amiga) */
2254 #endif
2255 	    case 'T':		/* "-T {terminal}" terminal name */
2256 	    case 'u':		/* "-u {vimrc}" vim inits file */
2257 	    case 'U':		/* "-U {gvimrc}" gvim inits file */
2258 	    case 'W':		/* "-W {scriptout}" overwrite */
2259 #ifdef FEAT_GUI_W32
2260 	    case 'P':		/* "-P {parent title}" MDI parent */
2261 #endif
2262 		want_argument = TRUE;
2263 		break;
2264 
2265 	    default:
2266 		mainerr(ME_UNKNOWN_OPTION, (char_u *)argv[0]);
2267 	    }
2268 
2269 	    /*
2270 	     * Handle option arguments with argument.
2271 	     */
2272 	    if (want_argument)
2273 	    {
2274 		/*
2275 		 * Check for garbage immediately after the option letter.
2276 		 */
2277 		if (argv[0][argv_idx] != NUL)
2278 		    mainerr(ME_GARBAGE, (char_u *)argv[0]);
2279 
2280 		--argc;
2281 		if (argc < 1 && c != 'S')  /* -S has an optional argument */
2282 		    mainerr_arg_missing((char_u *)argv[0]);
2283 		++argv;
2284 		argv_idx = -1;
2285 
2286 		switch (c)
2287 		{
2288 		case 'c':	/* "-c {command}" execute command */
2289 		case 'S':	/* "-S {file}" execute Vim script */
2290 		    if (parmp->n_commands >= MAX_ARG_CMDS)
2291 			mainerr(ME_EXTRA_CMD, NULL);
2292 		    if (c == 'S')
2293 		    {
2294 			char	*a;
2295 
2296 			if (argc < 1)
2297 			    /* "-S" without argument: use default session file
2298 			     * name. */
2299 			    a = SESSION_FILE;
2300 			else if (argv[0][0] == '-')
2301 			{
2302 			    /* "-S" followed by another option: use default
2303 			     * session file name. */
2304 			    a = SESSION_FILE;
2305 			    ++argc;
2306 			    --argv;
2307 			}
2308 			else
2309 			    a = argv[0];
2310 			p = alloc((unsigned)(STRLEN(a) + 4));
2311 			if (p == NULL)
2312 			    mch_exit(2);
2313 			sprintf((char *)p, "so %s", a);
2314 			parmp->cmds_tofree[parmp->n_commands] = TRUE;
2315 			parmp->commands[parmp->n_commands++] = p;
2316 		    }
2317 		    else
2318 			parmp->commands[parmp->n_commands++] =
2319 							    (char_u *)argv[0];
2320 		    break;
2321 
2322 		case '-':
2323 		    if (argv[-1][2] == 'c')
2324 		    {
2325 			/* "--cmd {command}" execute command */
2326 			if (parmp->n_pre_commands >= MAX_ARG_CMDS)
2327 			    mainerr(ME_EXTRA_CMD, NULL);
2328 			parmp->pre_commands[parmp->n_pre_commands++] =
2329 							    (char_u *)argv[0];
2330 		    }
2331 		    /* "--startuptime <file>" already handled */
2332 		    break;
2333 
2334 	    /*	case 'd':   -d {device} is handled in mch_check_win() for the
2335 	     *		    Amiga */
2336 
2337 #ifdef FEAT_QUICKFIX
2338 		case 'q':	/* "-q {errorfile}" QuickFix mode */
2339 		    parmp->use_ef = (char_u *)argv[0];
2340 		    break;
2341 #endif
2342 
2343 		case 'i':	/* "-i {viminfo}" use for viminfo */
2344 		    set_option_value((char_u *)"vif", 0L, (char_u *)argv[0], 0);
2345 		    break;
2346 
2347 		case 's':	/* "-s {scriptin}" read from script file */
2348 		    if (scriptin[0] != NULL)
2349 		    {
2350 scripterror:
2351 			mch_errmsg(_("Attempt to open script file again: \""));
2352 			mch_errmsg(argv[-1]);
2353 			mch_errmsg(" ");
2354 			mch_errmsg(argv[0]);
2355 			mch_errmsg("\"\n");
2356 			mch_exit(2);
2357 		    }
2358 		    if ((scriptin[0] = mch_fopen(argv[0], READBIN)) == NULL)
2359 		    {
2360 			mch_errmsg(_("Cannot open for reading: \""));
2361 			mch_errmsg(argv[0]);
2362 			mch_errmsg("\"\n");
2363 			mch_exit(2);
2364 		    }
2365 		    if (save_typebuf() == FAIL)
2366 			mch_exit(2);	/* out of memory */
2367 		    break;
2368 
2369 		case 't':	/* "-t {tag}" */
2370 		    parmp->tagname = (char_u *)argv[0];
2371 		    break;
2372 
2373 		case 'T':	/* "-T {terminal}" terminal name */
2374 		    /*
2375 		     * The -T term argument is always available and when
2376 		     * HAVE_TERMLIB is supported it overrides the environment
2377 		     * variable TERM.
2378 		     */
2379 #ifdef FEAT_GUI
2380 		    if (term_is_gui((char_u *)argv[0]))
2381 			gui.starting = TRUE;	/* start GUI a bit later */
2382 		    else
2383 #endif
2384 			parmp->term = (char_u *)argv[0];
2385 		    break;
2386 
2387 		case 'u':	/* "-u {vimrc}" vim inits file */
2388 		    parmp->use_vimrc = (char_u *)argv[0];
2389 		    break;
2390 
2391 		case 'U':	/* "-U {gvimrc}" gvim inits file */
2392 #ifdef FEAT_GUI
2393 		    use_gvimrc = (char_u *)argv[0];
2394 #endif
2395 		    break;
2396 
2397 		case 'w':	/* "-w {nr}" 'window' value */
2398 				/* "-w {scriptout}" append to script file */
2399 		    if (vim_isdigit(*((char_u *)argv[0])))
2400 		    {
2401 			argv_idx = 0;
2402 			n = get_number_arg((char_u *)argv[0], &argv_idx, 10);
2403 			set_option_value((char_u *)"window", n, NULL, 0);
2404 			argv_idx = -1;
2405 			break;
2406 		    }
2407 		    /*FALLTHROUGH*/
2408 		case 'W':	/* "-W {scriptout}" overwrite script file */
2409 		    if (scriptout != NULL)
2410 			goto scripterror;
2411 		    if ((scriptout = mch_fopen(argv[0],
2412 				    c == 'w' ? APPENDBIN : WRITEBIN)) == NULL)
2413 		    {
2414 			mch_errmsg(_("Cannot open for script output: \""));
2415 			mch_errmsg(argv[0]);
2416 			mch_errmsg("\"\n");
2417 			mch_exit(2);
2418 		    }
2419 		    break;
2420 
2421 #ifdef FEAT_GUI_W32
2422 		case 'P':		/* "-P {parent title}" MDI parent */
2423 		    gui_mch_set_parent(argv[0]);
2424 		    break;
2425 #endif
2426 		}
2427 	    }
2428 	}
2429 
2430 	/*
2431 	 * File name argument.
2432 	 */
2433 	else
2434 	{
2435 	    argv_idx = -1;	    /* skip to next argument */
2436 
2437 	    /* Check for only one type of editing. */
2438 	    if (parmp->edit_type != EDIT_NONE && parmp->edit_type != EDIT_FILE)
2439 		mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
2440 	    parmp->edit_type = EDIT_FILE;
2441 
2442 #ifdef MSWIN
2443 	    /* Remember if the argument was a full path before changing
2444 	     * slashes to backslashes. */
2445 	    if (argv[0][0] != NUL && argv[0][1] == ':' && argv[0][2] == '\\')
2446 		parmp->full_path = TRUE;
2447 #endif
2448 
2449 	    /* Add the file to the global argument list. */
2450 	    if (ga_grow(&global_alist.al_ga, 1) == FAIL
2451 		    || (p = vim_strsave((char_u *)argv[0])) == NULL)
2452 		mch_exit(2);
2453 #ifdef FEAT_DIFF
2454 	    if (parmp->diff_mode && mch_isdir(p) && GARGCOUNT > 0
2455 				      && !mch_isdir(alist_name(&GARGLIST[0])))
2456 	    {
2457 		char_u	    *r;
2458 
2459 		r = concat_fnames(p, gettail(alist_name(&GARGLIST[0])), TRUE);
2460 		if (r != NULL)
2461 		{
2462 		    vim_free(p);
2463 		    p = r;
2464 		}
2465 	    }
2466 #endif
2467 #if defined(__CYGWIN32__) && !defined(WIN32)
2468 	    /*
2469 	     * If vim is invoked by non-Cygwin tools, convert away any
2470 	     * DOS paths, so things like .swp files are created correctly.
2471 	     * Look for evidence of non-Cygwin paths before we bother.
2472 	     * This is only for when using the Unix files.
2473 	     */
2474 	    if (vim_strpbrk(p, "\\:") != NULL && !path_with_url(p))
2475 	    {
2476 		char posix_path[PATH_MAX];
2477 
2478 # if CYGWIN_VERSION_DLL_MAJOR >= 1007
2479 		cygwin_conv_path(CCP_WIN_A_TO_POSIX, p, posix_path, PATH_MAX);
2480 # else
2481 		cygwin_conv_to_posix_path(p, posix_path);
2482 # endif
2483 		vim_free(p);
2484 		p = vim_strsave((char_u *)posix_path);
2485 		if (p == NULL)
2486 		    mch_exit(2);
2487 	    }
2488 #endif
2489 
2490 #ifdef USE_FNAME_CASE
2491 	    /* Make the case of the file name match the actual file. */
2492 	    fname_case(p, 0);
2493 #endif
2494 
2495 	    alist_add(&global_alist, p,
2496 #ifdef EXPAND_FILENAMES
2497 		    parmp->literal ? 2 : 0	/* add buffer nr after exp. */
2498 #else
2499 		    2		/* add buffer number now and use curbuf */
2500 #endif
2501 		    );
2502 
2503 #if defined(FEAT_MBYTE) && defined(WIN32)
2504 	    {
2505 		/* Remember this argument has been added to the argument list.
2506 		 * Needed when 'encoding' is changed. */
2507 		used_file_arg(argv[0], parmp->literal, parmp->full_path,
2508 # ifdef FEAT_DIFF
2509 							    parmp->diff_mode
2510 # else
2511 							    FALSE
2512 # endif
2513 							    );
2514 	    }
2515 #endif
2516 	}
2517 
2518 	/*
2519 	 * If there are no more letters after the current "-", go to next
2520 	 * argument.  argv_idx is set to -1 when the current argument is to be
2521 	 * skipped.
2522 	 */
2523 	if (argv_idx <= 0 || argv[0][argv_idx] == NUL)
2524 	{
2525 	    --argc;
2526 	    ++argv;
2527 	    argv_idx = 1;
2528 	}
2529     }
2530 
2531 #ifdef FEAT_EVAL
2532     /* If there is a "+123" or "-c" command, set v:swapcommand to the first
2533      * one. */
2534     if (parmp->n_commands > 0)
2535     {
2536 	p = alloc((unsigned)STRLEN(parmp->commands[0]) + 3);
2537 	if (p != NULL)
2538 	{
2539 	    sprintf((char *)p, ":%s\r", parmp->commands[0]);
2540 	    set_vim_var_string(VV_SWAPCOMMAND, p, -1);
2541 	    vim_free(p);
2542 	}
2543     }
2544 #endif
2545 }
2546 
2547 /*
2548  * Print a warning if stdout is not a terminal.
2549  * When starting in Ex mode and commands come from a file, set Silent mode.
2550  */
2551     static void
2552 check_tty(mparm_T *parmp)
2553 {
2554     int		input_isatty;		/* is active input a terminal? */
2555 
2556     input_isatty = mch_input_isatty();
2557     if (exmode_active)
2558     {
2559 	if (!input_isatty)
2560 	    silent_mode = TRUE;
2561     }
2562     else if (parmp->want_full_screen && (!stdout_isatty || !input_isatty)
2563 #ifdef FEAT_GUI
2564 	    /* don't want the delay when started from the desktop */
2565 	    && !gui.starting
2566 #endif
2567 	    && !parmp->not_a_term)
2568     {
2569 #ifdef NBDEBUG
2570 	/*
2571 	 * This shouldn't be necessary. But if I run netbeans with the log
2572 	 * output coming to the console and XOpenDisplay fails, I get vim
2573 	 * trying to start with input/output to my console tty.  This fills my
2574 	 * input buffer so fast I can't even kill the process in under 2
2575 	 * minutes (and it beeps continuously the whole time :-)
2576 	 */
2577 	if (netbeans_active() && (!stdout_isatty || !input_isatty))
2578 	{
2579 	    mch_errmsg(_("Vim: Error: Failure to start gvim from NetBeans\n"));
2580 	    exit(1);
2581 	}
2582 #endif
2583 #if defined(WIN3264) && !defined(FEAT_GUI_W32)
2584 	if (is_cygpty_used())
2585 	{
2586 	    mch_errmsg(_("Vim: Error: This version of Vim does not run in a Cygwin terminal\n"));
2587 	    exit(1);
2588 	}
2589 #endif
2590 	if (!stdout_isatty)
2591 	    mch_errmsg(_("Vim: Warning: Output is not to a terminal\n"));
2592 	if (!input_isatty)
2593 	    mch_errmsg(_("Vim: Warning: Input is not from a terminal\n"));
2594 	out_flush();
2595 	if (parmp->tty_fail && (!stdout_isatty || !input_isatty))
2596 	    exit(1);
2597 	if (scriptin[0] == NULL)
2598 	    ui_delay(2000L, TRUE);
2599 	TIME_MSG("Warning delay");
2600     }
2601 }
2602 
2603 /*
2604  * Read text from stdin.
2605  */
2606     static void
2607 read_stdin(void)
2608 {
2609     int	    i;
2610 
2611 #if defined(HAS_SWAP_EXISTS_ACTION)
2612     /* When getting the ATTENTION prompt here, use a dialog */
2613     swap_exists_action = SEA_DIALOG;
2614 #endif
2615     no_wait_return = TRUE;
2616     i = msg_didany;
2617     set_buflisted(TRUE);
2618     (void)open_buffer(TRUE, NULL, 0);	/* create memfile and read file */
2619     no_wait_return = FALSE;
2620     msg_didany = i;
2621     TIME_MSG("reading stdin");
2622 #if defined(HAS_SWAP_EXISTS_ACTION)
2623     check_swap_exists_action();
2624 #endif
2625 #if !(defined(AMIGA) || defined(MACOS))
2626     /*
2627      * Close stdin and dup it from stderr.  Required for GPM to work
2628      * properly, and for running external commands.
2629      * Is there any other system that cannot do this?
2630      */
2631     close(0);
2632     ignored = dup(2);
2633 #endif
2634 }
2635 
2636 /*
2637  * Create the requested number of windows and edit buffers in them.
2638  * Also does recovery if "recoverymode" set.
2639  */
2640     static void
2641 create_windows(mparm_T *parmp UNUSED)
2642 {
2643 #ifdef FEAT_WINDOWS
2644     int		dorewind;
2645     int		done = 0;
2646 
2647     /*
2648      * Create the number of windows that was requested.
2649      */
2650     if (parmp->window_count == -1)	/* was not set */
2651 	parmp->window_count = 1;
2652     if (parmp->window_count == 0)
2653 	parmp->window_count = GARGCOUNT;
2654     if (parmp->window_count > 1)
2655     {
2656 	/* Don't change the windows if there was a command in .vimrc that
2657 	 * already split some windows */
2658 	if (parmp->window_layout == 0)
2659 	    parmp->window_layout = WIN_HOR;
2660 	if (parmp->window_layout == WIN_TABS)
2661 	{
2662 	    parmp->window_count = make_tabpages(parmp->window_count);
2663 	    TIME_MSG("making tab pages");
2664 	}
2665 	else if (firstwin->w_next == NULL)
2666 	{
2667 	    parmp->window_count = make_windows(parmp->window_count,
2668 					     parmp->window_layout == WIN_VER);
2669 	    TIME_MSG("making windows");
2670 	}
2671 	else
2672 	    parmp->window_count = win_count();
2673     }
2674     else
2675 	parmp->window_count = 1;
2676 #endif
2677 
2678     if (recoverymode)			/* do recover */
2679     {
2680 	msg_scroll = TRUE;		/* scroll message up */
2681 	ml_recover();
2682 	if (curbuf->b_ml.ml_mfp == NULL) /* failed */
2683 	    getout(1);
2684 	do_modelines(0);		/* do modelines */
2685     }
2686     else
2687     {
2688 	/*
2689 	 * Open a buffer for windows that don't have one yet.
2690 	 * Commands in the .vimrc might have loaded a file or split the window.
2691 	 * Watch out for autocommands that delete a window.
2692 	 */
2693 #ifdef FEAT_AUTOCMD
2694 	/*
2695 	 * Don't execute Win/Buf Enter/Leave autocommands here
2696 	 */
2697 	++autocmd_no_enter;
2698 	++autocmd_no_leave;
2699 #endif
2700 #ifdef FEAT_WINDOWS
2701 	dorewind = TRUE;
2702 	while (done++ < 1000)
2703 	{
2704 	    if (dorewind)
2705 	    {
2706 		if (parmp->window_layout == WIN_TABS)
2707 		    goto_tabpage(1);
2708 		else
2709 		    curwin = firstwin;
2710 	    }
2711 	    else if (parmp->window_layout == WIN_TABS)
2712 	    {
2713 		if (curtab->tp_next == NULL)
2714 		    break;
2715 		goto_tabpage(0);
2716 	    }
2717 	    else
2718 	    {
2719 		if (curwin->w_next == NULL)
2720 		    break;
2721 		curwin = curwin->w_next;
2722 	    }
2723 	    dorewind = FALSE;
2724 #endif
2725 	    curbuf = curwin->w_buffer;
2726 	    if (curbuf->b_ml.ml_mfp == NULL)
2727 	    {
2728 #ifdef FEAT_FOLDING
2729 		/* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */
2730 		if (p_fdls >= 0)
2731 		    curwin->w_p_fdl = p_fdls;
2732 #endif
2733 #if defined(HAS_SWAP_EXISTS_ACTION)
2734 		/* When getting the ATTENTION prompt here, use a dialog */
2735 		swap_exists_action = SEA_DIALOG;
2736 #endif
2737 		set_buflisted(TRUE);
2738 
2739 		/* create memfile, read file */
2740 		(void)open_buffer(FALSE, NULL, 0);
2741 
2742 #if defined(HAS_SWAP_EXISTS_ACTION)
2743 		if (swap_exists_action == SEA_QUIT)
2744 		{
2745 		    if (got_int || only_one_window())
2746 		    {
2747 			/* abort selected or quit and only one window */
2748 			did_emsg = FALSE;   /* avoid hit-enter prompt */
2749 			getout(1);
2750 		    }
2751 		    /* We can't close the window, it would disturb what
2752 		     * happens next.  Clear the file name and set the arg
2753 		     * index to -1 to delete it later. */
2754 		    setfname(curbuf, NULL, NULL, FALSE);
2755 		    curwin->w_arg_idx = -1;
2756 		    swap_exists_action = SEA_NONE;
2757 		}
2758 		else
2759 		    handle_swap_exists(NULL);
2760 #endif
2761 #ifdef FEAT_AUTOCMD
2762 		dorewind = TRUE;		/* start again */
2763 #endif
2764 	    }
2765 #ifdef FEAT_WINDOWS
2766 	    ui_breakcheck();
2767 	    if (got_int)
2768 	    {
2769 		(void)vgetc();	/* only break the file loading, not the rest */
2770 		break;
2771 	    }
2772 	}
2773 #endif
2774 #ifdef FEAT_WINDOWS
2775 	if (parmp->window_layout == WIN_TABS)
2776 	    goto_tabpage(1);
2777 	else
2778 	    curwin = firstwin;
2779 	curbuf = curwin->w_buffer;
2780 #endif
2781 #ifdef FEAT_AUTOCMD
2782 	--autocmd_no_enter;
2783 	--autocmd_no_leave;
2784 #endif
2785     }
2786 }
2787 
2788 #ifdef FEAT_WINDOWS
2789     /*
2790      * If opened more than one window, start editing files in the other
2791      * windows.  make_windows() has already opened the windows.
2792      */
2793     static void
2794 edit_buffers(
2795     mparm_T	*parmp,
2796     char_u	*cwd)			/* current working dir */
2797 {
2798     int		arg_idx;		/* index in argument list */
2799     int		i;
2800     int		advance = TRUE;
2801     win_T	*win;
2802 
2803 # ifdef FEAT_AUTOCMD
2804     /*
2805      * Don't execute Win/Buf Enter/Leave autocommands here
2806      */
2807     ++autocmd_no_enter;
2808     ++autocmd_no_leave;
2809 # endif
2810 
2811     /* When w_arg_idx is -1 remove the window (see create_windows()). */
2812     if (curwin->w_arg_idx == -1)
2813     {
2814 	win_close(curwin, TRUE);
2815 	advance = FALSE;
2816     }
2817 
2818     arg_idx = 1;
2819     for (i = 1; i < parmp->window_count; ++i)
2820     {
2821 	if (cwd != NULL)
2822 	    mch_chdir((char *)cwd);
2823 	/* When w_arg_idx is -1 remove the window (see create_windows()). */
2824 	if (curwin->w_arg_idx == -1)
2825 	{
2826 	    ++arg_idx;
2827 	    win_close(curwin, TRUE);
2828 	    advance = FALSE;
2829 	    continue;
2830 	}
2831 
2832 	if (advance)
2833 	{
2834 	    if (parmp->window_layout == WIN_TABS)
2835 	    {
2836 		if (curtab->tp_next == NULL)	/* just checking */
2837 		    break;
2838 		goto_tabpage(0);
2839 	    }
2840 	    else
2841 	    {
2842 		if (curwin->w_next == NULL)	/* just checking */
2843 		    break;
2844 		win_enter(curwin->w_next, FALSE);
2845 	    }
2846 	}
2847 	advance = TRUE;
2848 
2849 	/* Only open the file if there is no file in this window yet (that can
2850 	 * happen when .vimrc contains ":sall"). */
2851 	if (curbuf == firstwin->w_buffer || curbuf->b_ffname == NULL)
2852 	{
2853 	    curwin->w_arg_idx = arg_idx;
2854 	    /* Edit file from arg list, if there is one.  When "Quit" selected
2855 	     * at the ATTENTION prompt close the window. */
2856 # ifdef HAS_SWAP_EXISTS_ACTION
2857 	    swap_exists_did_quit = FALSE;
2858 # endif
2859 	    (void)do_ecmd(0, arg_idx < GARGCOUNT
2860 			  ? alist_name(&GARGLIST[arg_idx]) : NULL,
2861 			  NULL, NULL, ECMD_LASTL, ECMD_HIDE, curwin);
2862 # ifdef HAS_SWAP_EXISTS_ACTION
2863 	    if (swap_exists_did_quit)
2864 	    {
2865 		/* abort or quit selected */
2866 		if (got_int || only_one_window())
2867 		{
2868 		    /* abort selected and only one window */
2869 		    did_emsg = FALSE;   /* avoid hit-enter prompt */
2870 		    getout(1);
2871 		}
2872 		win_close(curwin, TRUE);
2873 		advance = FALSE;
2874 	    }
2875 # endif
2876 	    if (arg_idx == GARGCOUNT - 1)
2877 		arg_had_last = TRUE;
2878 	    ++arg_idx;
2879 	}
2880 	ui_breakcheck();
2881 	if (got_int)
2882 	{
2883 	    (void)vgetc();	/* only break the file loading, not the rest */
2884 	    break;
2885 	}
2886     }
2887 
2888     if (parmp->window_layout == WIN_TABS)
2889 	goto_tabpage(1);
2890 # ifdef FEAT_AUTOCMD
2891     --autocmd_no_enter;
2892 # endif
2893 
2894     /* make the first window the current window */
2895     win = firstwin;
2896 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
2897     /* Avoid making a preview window the current window. */
2898     while (win->w_p_pvw)
2899     {
2900 	win = win->w_next;
2901 	if (win == NULL)
2902 	{
2903 	    win = firstwin;
2904 	    break;
2905 	}
2906     }
2907 #endif
2908     win_enter(win, FALSE);
2909 
2910 # ifdef FEAT_AUTOCMD
2911     --autocmd_no_leave;
2912 # endif
2913     TIME_MSG("editing files in windows");
2914     if (parmp->window_count > 1 && parmp->window_layout != WIN_TABS)
2915 	win_equal(curwin, FALSE, 'b');	/* adjust heights */
2916 }
2917 #endif /* FEAT_WINDOWS */
2918 
2919 /*
2920  * Execute the commands from --cmd arguments "cmds[cnt]".
2921  */
2922     static void
2923 exe_pre_commands(mparm_T *parmp)
2924 {
2925     char_u	**cmds = parmp->pre_commands;
2926     int		cnt = parmp->n_pre_commands;
2927     int		i;
2928 
2929     if (cnt > 0)
2930     {
2931 	curwin->w_cursor.lnum = 0; /* just in case.. */
2932 	sourcing_name = (char_u *)_("pre-vimrc command line");
2933 # ifdef FEAT_EVAL
2934 	current_SID = SID_CMDARG;
2935 # endif
2936 	for (i = 0; i < cnt; ++i)
2937 	    do_cmdline_cmd(cmds[i]);
2938 	sourcing_name = NULL;
2939 # ifdef FEAT_EVAL
2940 	current_SID = 0;
2941 # endif
2942 	TIME_MSG("--cmd commands");
2943     }
2944 }
2945 
2946 /*
2947  * Execute "+", "-c" and "-S" arguments.
2948  */
2949     static void
2950 exe_commands(mparm_T *parmp)
2951 {
2952     int		i;
2953 
2954     /*
2955      * We start commands on line 0, make "vim +/pat file" match a
2956      * pattern on line 1.  But don't move the cursor when an autocommand
2957      * with g`" was used.
2958      */
2959     msg_scroll = TRUE;
2960     if (parmp->tagname == NULL && curwin->w_cursor.lnum <= 1)
2961 	curwin->w_cursor.lnum = 0;
2962     sourcing_name = (char_u *)"command line";
2963 #ifdef FEAT_EVAL
2964     current_SID = SID_CARG;
2965 #endif
2966     for (i = 0; i < parmp->n_commands; ++i)
2967     {
2968 	do_cmdline_cmd(parmp->commands[i]);
2969 	if (parmp->cmds_tofree[i])
2970 	    vim_free(parmp->commands[i]);
2971     }
2972     sourcing_name = NULL;
2973 #ifdef FEAT_EVAL
2974     current_SID = 0;
2975 #endif
2976     if (curwin->w_cursor.lnum == 0)
2977 	curwin->w_cursor.lnum = 1;
2978 
2979     if (!exmode_active)
2980 	msg_scroll = FALSE;
2981 
2982 #ifdef FEAT_QUICKFIX
2983     /* When started with "-q errorfile" jump to first error again. */
2984     if (parmp->edit_type == EDIT_QF)
2985 	qf_jump(NULL, 0, 0, FALSE);
2986 #endif
2987     TIME_MSG("executing command arguments");
2988 }
2989 
2990 /*
2991  * Source startup scripts.
2992  */
2993     static void
2994 source_startup_scripts(mparm_T *parmp)
2995 {
2996     int		i;
2997 
2998     /*
2999      * For "evim" source evim.vim first of all, so that the user can overrule
3000      * any things he doesn't like.
3001      */
3002     if (parmp->evim_mode)
3003     {
3004 	(void)do_source((char_u *)EVIM_FILE, FALSE, DOSO_NONE);
3005 	TIME_MSG("source evim file");
3006     }
3007 
3008     /*
3009      * If -u argument given, use only the initializations from that file and
3010      * nothing else.
3011      */
3012     if (parmp->use_vimrc != NULL)
3013     {
3014 	if (STRCMP(parmp->use_vimrc, "DEFAULTS") == 0)
3015 	    do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE);
3016 	else if (STRCMP(parmp->use_vimrc, "NONE") == 0
3017 				     || STRCMP(parmp->use_vimrc, "NORC") == 0)
3018 	{
3019 #ifdef FEAT_GUI
3020 	    if (use_gvimrc == NULL)	    /* don't load gvimrc either */
3021 		use_gvimrc = parmp->use_vimrc;
3022 #endif
3023 	}
3024 	else
3025 	{
3026 	    if (do_source(parmp->use_vimrc, FALSE, DOSO_NONE) != OK)
3027 		EMSG2(_("E282: Cannot read from \"%s\""), parmp->use_vimrc);
3028 	}
3029     }
3030     else if (!silent_mode)
3031     {
3032 #ifdef AMIGA
3033 	struct Process	*proc = (struct Process *)FindTask(0L);
3034 	APTR		save_winptr = proc->pr_WindowPtr;
3035 
3036 	/* Avoid a requester here for a volume that doesn't exist. */
3037 	proc->pr_WindowPtr = (APTR)-1L;
3038 #endif
3039 
3040 	/*
3041 	 * Get system wide defaults, if the file name is defined.
3042 	 */
3043 #ifdef SYS_VIMRC_FILE
3044 	(void)do_source((char_u *)SYS_VIMRC_FILE, FALSE, DOSO_NONE);
3045 #endif
3046 #ifdef MACOS_X
3047 	(void)do_source((char_u *)"$VIMRUNTIME/macmap.vim", FALSE, DOSO_NONE);
3048 #endif
3049 
3050 	/*
3051 	 * Try to read initialization commands from the following places:
3052 	 * - environment variable VIMINIT
3053 	 * - user vimrc file (s:.vimrc for Amiga, ~/.vimrc otherwise)
3054 	 * - second user vimrc file ($VIM/.vimrc for Dos)
3055 	 * - environment variable EXINIT
3056 	 * - user exrc file (s:.exrc for Amiga, ~/.exrc otherwise)
3057 	 * - second user exrc file ($VIM/.exrc for Dos)
3058 	 * The first that exists is used, the rest is ignored.
3059 	 */
3060 	if (process_env((char_u *)"VIMINIT", TRUE) != OK)
3061 	{
3062 	    if (do_source((char_u *)USR_VIMRC_FILE, TRUE, DOSO_VIMRC) == FAIL
3063 #ifdef USR_VIMRC_FILE2
3064 		&& do_source((char_u *)USR_VIMRC_FILE2, TRUE,
3065 							   DOSO_VIMRC) == FAIL
3066 #endif
3067 #ifdef USR_VIMRC_FILE3
3068 		&& do_source((char_u *)USR_VIMRC_FILE3, TRUE,
3069 							   DOSO_VIMRC) == FAIL
3070 #endif
3071 #ifdef USR_VIMRC_FILE4
3072 		&& do_source((char_u *)USR_VIMRC_FILE4, TRUE,
3073 							   DOSO_VIMRC) == FAIL
3074 #endif
3075 		&& process_env((char_u *)"EXINIT", FALSE) == FAIL
3076 		&& do_source((char_u *)USR_EXRC_FILE, FALSE, DOSO_NONE) == FAIL
3077 #ifdef USR_EXRC_FILE2
3078 		&& do_source((char_u *)USR_EXRC_FILE2, FALSE, DOSO_NONE) == FAIL
3079 #endif
3080 		&& !has_dash_c_arg)
3081 	    {
3082 		/* When no .vimrc file was found: source defaults.vim. */
3083 		do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE);
3084 	    }
3085 	}
3086 
3087 	/*
3088 	 * Read initialization commands from ".vimrc" or ".exrc" in current
3089 	 * directory.  This is only done if the 'exrc' option is set.
3090 	 * Because of security reasons we disallow shell and write commands
3091 	 * now, except for Unix if the file is owned by the user or 'secure'
3092 	 * option has been reset in environment of global ".exrc" or ".vimrc".
3093 	 * Only do this if VIMRC_FILE is not the same as USR_VIMRC_FILE or
3094 	 * SYS_VIMRC_FILE.
3095 	 */
3096 	if (p_exrc)
3097 	{
3098 #if defined(UNIX) || defined(VMS)
3099 	    /* If ".vimrc" file is not owned by user, set 'secure' mode. */
3100 	    if (!file_owned(VIMRC_FILE))
3101 #endif
3102 		secure = p_secure;
3103 
3104 	    i = FAIL;
3105 	    if (fullpathcmp((char_u *)USR_VIMRC_FILE,
3106 				      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
3107 #ifdef USR_VIMRC_FILE2
3108 		    && fullpathcmp((char_u *)USR_VIMRC_FILE2,
3109 				      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
3110 #endif
3111 #ifdef USR_VIMRC_FILE3
3112 		    && fullpathcmp((char_u *)USR_VIMRC_FILE3,
3113 				      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
3114 #endif
3115 #ifdef SYS_VIMRC_FILE
3116 		    && fullpathcmp((char_u *)SYS_VIMRC_FILE,
3117 				      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
3118 #endif
3119 				)
3120 		i = do_source((char_u *)VIMRC_FILE, TRUE, DOSO_VIMRC);
3121 
3122 	    if (i == FAIL)
3123 	    {
3124 #if defined(UNIX) || defined(VMS)
3125 		/* if ".exrc" is not owned by user set 'secure' mode */
3126 		if (!file_owned(EXRC_FILE))
3127 		    secure = p_secure;
3128 		else
3129 		    secure = 0;
3130 #endif
3131 		if (	   fullpathcmp((char_u *)USR_EXRC_FILE,
3132 				      (char_u *)EXRC_FILE, FALSE) != FPC_SAME
3133 #ifdef USR_EXRC_FILE2
3134 			&& fullpathcmp((char_u *)USR_EXRC_FILE2,
3135 				      (char_u *)EXRC_FILE, FALSE) != FPC_SAME
3136 #endif
3137 				)
3138 		    (void)do_source((char_u *)EXRC_FILE, FALSE, DOSO_NONE);
3139 	    }
3140 	}
3141 	if (secure == 2)
3142 	    need_wait_return = TRUE;
3143 	secure = 0;
3144 #ifdef AMIGA
3145 	proc->pr_WindowPtr = save_winptr;
3146 #endif
3147     }
3148     TIME_MSG("sourcing vimrc file(s)");
3149 }
3150 
3151 /*
3152  * Setup to start using the GUI.  Exit with an error when not available.
3153  */
3154     static void
3155 main_start_gui(void)
3156 {
3157 #ifdef FEAT_GUI
3158     gui.starting = TRUE;	/* start GUI a bit later */
3159 #else
3160     mch_errmsg(_(e_nogvim));
3161     mch_errmsg("\n");
3162     mch_exit(2);
3163 #endif
3164 }
3165 
3166 #endif  /* NO_VIM_MAIN */
3167 
3168 /*
3169  * Get an environment variable, and execute it as Ex commands.
3170  * Returns FAIL if the environment variable was not executed, OK otherwise.
3171  */
3172     int
3173 process_env(
3174     char_u	*env,
3175     int		is_viminit) /* when TRUE, called for VIMINIT */
3176 {
3177     char_u	*initstr;
3178     char_u	*save_sourcing_name;
3179     linenr_T	save_sourcing_lnum;
3180 #ifdef FEAT_EVAL
3181     scid_T	save_sid;
3182 #endif
3183 
3184     if ((initstr = mch_getenv(env)) != NULL && *initstr != NUL)
3185     {
3186 	if (is_viminit)
3187 	    vimrc_found(NULL, NULL);
3188 	save_sourcing_name = sourcing_name;
3189 	save_sourcing_lnum = sourcing_lnum;
3190 	sourcing_name = env;
3191 	sourcing_lnum = 0;
3192 #ifdef FEAT_EVAL
3193 	save_sid = current_SID;
3194 	current_SID = SID_ENV;
3195 #endif
3196 	do_cmdline_cmd(initstr);
3197 	sourcing_name = save_sourcing_name;
3198 	sourcing_lnum = save_sourcing_lnum;
3199 #ifdef FEAT_EVAL
3200 	current_SID = save_sid;
3201 #endif
3202 	return OK;
3203     }
3204     return FAIL;
3205 }
3206 
3207 #if (defined(UNIX) || defined(VMS)) && !defined(NO_VIM_MAIN)
3208 /*
3209  * Return TRUE if we are certain the user owns the file "fname".
3210  * Used for ".vimrc" and ".exrc".
3211  * Use both stat() and lstat() for extra security.
3212  */
3213     static int
3214 file_owned(char *fname)
3215 {
3216     stat_T	s;
3217 # ifdef UNIX
3218     uid_t	uid = getuid();
3219 # else	 /* VMS */
3220     uid_t	uid = ((getgid() << 16) | getuid());
3221 # endif
3222 
3223     return !(mch_stat(fname, &s) != 0 || s.st_uid != uid
3224 # ifdef HAVE_LSTAT
3225 	    || mch_lstat(fname, &s) != 0 || s.st_uid != uid
3226 # endif
3227 	    );
3228 }
3229 #endif
3230 
3231 /*
3232  * Give an error message main_errors["n"] and exit.
3233  */
3234     static void
3235 mainerr(
3236     int		n,	/* one of the ME_ defines */
3237     char_u	*str)	/* extra argument or NULL */
3238 {
3239 #if defined(UNIX) || defined(VMS)
3240     reset_signals();		/* kill us with CTRL-C here, if you like */
3241 #endif
3242 
3243     mch_errmsg(longVersion);
3244     mch_errmsg("\n");
3245     mch_errmsg(_(main_errors[n]));
3246     if (str != NULL)
3247     {
3248 	mch_errmsg(": \"");
3249 	mch_errmsg((char *)str);
3250 	mch_errmsg("\"");
3251     }
3252     mch_errmsg(_("\nMore info with: \"vim -h\"\n"));
3253 
3254     mch_exit(1);
3255 }
3256 
3257     void
3258 mainerr_arg_missing(char_u *str)
3259 {
3260     mainerr(ME_ARG_MISSING, str);
3261 }
3262 
3263 #ifndef NO_VIM_MAIN
3264 /*
3265  * print a message with three spaces prepended and '\n' appended.
3266  */
3267     static void
3268 main_msg(char *s)
3269 {
3270     mch_msg("   ");
3271     mch_msg(s);
3272     mch_msg("\n");
3273 }
3274 
3275 /*
3276  * Print messages for "vim -h" or "vim --help" and exit.
3277  */
3278     static void
3279 usage(void)
3280 {
3281     int		i;
3282     static char	*(use[]) =
3283     {
3284 	N_("[file ..]       edit specified file(s)"),
3285 	N_("-               read text from stdin"),
3286 	N_("-t tag          edit file where tag is defined"),
3287 #ifdef FEAT_QUICKFIX
3288 	N_("-q [errorfile]  edit file with first error")
3289 #endif
3290     };
3291 
3292 #if defined(UNIX) || defined(VMS)
3293     reset_signals();		/* kill us with CTRL-C here, if you like */
3294 #endif
3295 
3296     mch_msg(longVersion);
3297     mch_msg(_("\n\nusage:"));
3298     for (i = 0; ; ++i)
3299     {
3300 	mch_msg(_(" vim [arguments] "));
3301 	mch_msg(_(use[i]));
3302 	if (i == (sizeof(use) / sizeof(char_u *)) - 1)
3303 	    break;
3304 	mch_msg(_("\n   or:"));
3305     }
3306 #ifdef VMS
3307     mch_msg(_("\nWhere case is ignored prepend / to make flag upper case"));
3308 #endif
3309 
3310     mch_msg(_("\n\nArguments:\n"));
3311     main_msg(_("--\t\t\tOnly file names after this"));
3312 #ifdef EXPAND_FILENAMES
3313     main_msg(_("--literal\t\tDon't expand wildcards"));
3314 #endif
3315 #ifdef FEAT_OLE
3316     main_msg(_("-register\t\tRegister this gvim for OLE"));
3317     main_msg(_("-unregister\t\tUnregister gvim for OLE"));
3318 #endif
3319 #ifdef FEAT_GUI
3320     main_msg(_("-g\t\t\tRun using GUI (like \"gvim\")"));
3321     main_msg(_("-f  or  --nofork\tForeground: Don't fork when starting GUI"));
3322 #endif
3323     main_msg(_("-v\t\t\tVi mode (like \"vi\")"));
3324     main_msg(_("-e\t\t\tEx mode (like \"ex\")"));
3325     main_msg(_("-E\t\t\tImproved Ex mode"));
3326     main_msg(_("-s\t\t\tSilent (batch) mode (only for \"ex\")"));
3327 #ifdef FEAT_DIFF
3328     main_msg(_("-d\t\t\tDiff mode (like \"vimdiff\")"));
3329 #endif
3330     main_msg(_("-y\t\t\tEasy mode (like \"evim\", modeless)"));
3331     main_msg(_("-R\t\t\tReadonly mode (like \"view\")"));
3332     main_msg(_("-Z\t\t\tRestricted mode (like \"rvim\")"));
3333     main_msg(_("-m\t\t\tModifications (writing files) not allowed"));
3334     main_msg(_("-M\t\t\tModifications in text not allowed"));
3335     main_msg(_("-b\t\t\tBinary mode"));
3336 #ifdef FEAT_LISP
3337     main_msg(_("-l\t\t\tLisp mode"));
3338 #endif
3339     main_msg(_("-C\t\t\tCompatible with Vi: 'compatible'"));
3340     main_msg(_("-N\t\t\tNot fully Vi compatible: 'nocompatible'"));
3341     main_msg(_("-V[N][fname]\t\tBe verbose [level N] [log messages to fname]"));
3342 #ifdef FEAT_EVAL
3343     main_msg(_("-D\t\t\tDebugging mode"));
3344 #endif
3345     main_msg(_("-n\t\t\tNo swap file, use memory only"));
3346     main_msg(_("-r\t\t\tList swap files and exit"));
3347     main_msg(_("-r (with file name)\tRecover crashed session"));
3348     main_msg(_("-L\t\t\tSame as -r"));
3349 #ifdef AMIGA
3350     main_msg(_("-f\t\t\tDon't use newcli to open window"));
3351     main_msg(_("-dev <device>\t\tUse <device> for I/O"));
3352 #endif
3353 #ifdef FEAT_ARABIC
3354     main_msg(_("-A\t\t\tstart in Arabic mode"));
3355 #endif
3356 #ifdef FEAT_RIGHTLEFT
3357     main_msg(_("-H\t\t\tStart in Hebrew mode"));
3358 #endif
3359 #ifdef FEAT_FKMAP
3360     main_msg(_("-F\t\t\tStart in Farsi mode"));
3361 #endif
3362     main_msg(_("-T <terminal>\tSet terminal type to <terminal>"));
3363     main_msg(_("--not-a-term\t\tSkip warning for input/output not being a terminal"));
3364     main_msg(_("--ttyfail\t\tExit if input or output is not a terminal"));
3365     main_msg(_("-u <vimrc>\t\tUse <vimrc> instead of any .vimrc"));
3366 #ifdef FEAT_GUI
3367     main_msg(_("-U <gvimrc>\t\tUse <gvimrc> instead of any .gvimrc"));
3368 #endif
3369     main_msg(_("--noplugin\t\tDon't load plugin scripts"));
3370 #ifdef FEAT_WINDOWS
3371     main_msg(_("-p[N]\t\tOpen N tab pages (default: one for each file)"));
3372     main_msg(_("-o[N]\t\tOpen N windows (default: one for each file)"));
3373     main_msg(_("-O[N]\t\tLike -o but split vertically"));
3374 #endif
3375     main_msg(_("+\t\t\tStart at end of file"));
3376     main_msg(_("+<lnum>\t\tStart at line <lnum>"));
3377     main_msg(_("--cmd <command>\tExecute <command> before loading any vimrc file"));
3378     main_msg(_("-c <command>\t\tExecute <command> after loading the first file"));
3379     main_msg(_("-S <session>\t\tSource file <session> after loading the first file"));
3380     main_msg(_("-s <scriptin>\tRead Normal mode commands from file <scriptin>"));
3381     main_msg(_("-w <scriptout>\tAppend all typed commands to file <scriptout>"));
3382     main_msg(_("-W <scriptout>\tWrite all typed commands to file <scriptout>"));
3383 #ifdef FEAT_CRYPT
3384     main_msg(_("-x\t\t\tEdit encrypted files"));
3385 #endif
3386 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
3387 # if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
3388     main_msg(_("-display <display>\tConnect vim to this particular X-server"));
3389 # endif
3390     main_msg(_("-X\t\t\tDo not connect to X server"));
3391 #endif
3392 #ifdef FEAT_CLIENTSERVER
3393     main_msg(_("--remote <files>\tEdit <files> in a Vim server if possible"));
3394     main_msg(_("--remote-silent <files>  Same, don't complain if there is no server"));
3395     main_msg(_("--remote-wait <files>  As --remote but wait for files to have been edited"));
3396     main_msg(_("--remote-wait-silent <files>  Same, don't complain if there is no server"));
3397 # ifdef FEAT_WINDOWS
3398     main_msg(_("--remote-tab[-wait][-silent] <files>  As --remote but use tab page per file"));
3399 # endif
3400     main_msg(_("--remote-send <keys>\tSend <keys> to a Vim server and exit"));
3401     main_msg(_("--remote-expr <expr>\tEvaluate <expr> in a Vim server and print result"));
3402     main_msg(_("--serverlist\t\tList available Vim server names and exit"));
3403     main_msg(_("--servername <name>\tSend to/become the Vim server <name>"));
3404 #endif
3405 #ifdef STARTUPTIME
3406     main_msg(_("--startuptime <file>\tWrite startup timing messages to <file>"));
3407 #endif
3408 #ifdef FEAT_VIMINFO
3409     main_msg(_("-i <viminfo>\t\tUse <viminfo> instead of .viminfo"));
3410 #endif
3411     main_msg(_("--clean\t\t'nocompatible', Vim defaults, no plugins, no viminfo"));
3412     main_msg(_("-h  or  --help\tPrint Help (this message) and exit"));
3413     main_msg(_("--version\t\tPrint version information and exit"));
3414 
3415 #ifdef FEAT_GUI_X11
3416 # ifdef FEAT_GUI_MOTIF
3417     mch_msg(_("\nArguments recognised by gvim (Motif version):\n"));
3418 # else
3419 #  ifdef FEAT_GUI_ATHENA
3420 #   ifdef FEAT_GUI_NEXTAW
3421     mch_msg(_("\nArguments recognised by gvim (neXtaw version):\n"));
3422 #   else
3423     mch_msg(_("\nArguments recognised by gvim (Athena version):\n"));
3424 #   endif
3425 #  endif
3426 # endif
3427     main_msg(_("-display <display>\tRun vim on <display>"));
3428     main_msg(_("-iconic\t\tStart vim iconified"));
3429     main_msg(_("-background <color>\tUse <color> for the background (also: -bg)"));
3430     main_msg(_("-foreground <color>\tUse <color> for normal text (also: -fg)"));
3431     main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
3432     main_msg(_("-boldfont <font>\tUse <font> for bold text"));
3433     main_msg(_("-italicfont <font>\tUse <font> for italic text"));
3434     main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
3435     main_msg(_("-borderwidth <width>\tUse a border width of <width> (also: -bw)"));
3436     main_msg(_("-scrollbarwidth <width>  Use a scrollbar width of <width> (also: -sw)"));
3437 # ifdef FEAT_GUI_ATHENA
3438     main_msg(_("-menuheight <height>\tUse a menu bar height of <height> (also: -mh)"));
3439 # endif
3440     main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
3441     main_msg(_("+reverse\t\tDon't use reverse video (also: +rv)"));
3442     main_msg(_("-xrm <resource>\tSet the specified resource"));
3443 #endif /* FEAT_GUI_X11 */
3444 #ifdef FEAT_GUI_GTK
3445     mch_msg(_("\nArguments recognised by gvim (GTK+ version):\n"));
3446     main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
3447     main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
3448     main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
3449     main_msg(_("-display <display>\tRun vim on <display> (also: --display)"));
3450     main_msg(_("--role <role>\tSet a unique role to identify the main window"));
3451     main_msg(_("--socketid <xid>\tOpen Vim inside another GTK widget"));
3452     main_msg(_("--echo-wid\t\tMake gvim echo the Window ID on stdout"));
3453 #endif
3454 #ifdef FEAT_GUI_W32
3455     main_msg(_("-P <parent title>\tOpen Vim inside parent application"));
3456     main_msg(_("--windowid <HWND>\tOpen Vim inside another win32 widget"));
3457 #endif
3458 
3459 #ifdef FEAT_GUI_GNOME
3460     /* Gnome gives extra messages for --help if we continue, but not for -h. */
3461     if (gui.starting)
3462     {
3463 	mch_msg("\n");
3464 	gui.dofork = FALSE;
3465     }
3466     else
3467 #endif
3468 	mch_exit(0);
3469 }
3470 
3471 #if defined(HAS_SWAP_EXISTS_ACTION)
3472 /*
3473  * Check the result of the ATTENTION dialog:
3474  * When "Quit" selected, exit Vim.
3475  * When "Recover" selected, recover the file.
3476  */
3477     static void
3478 check_swap_exists_action(void)
3479 {
3480     if (swap_exists_action == SEA_QUIT)
3481 	getout(1);
3482     handle_swap_exists(NULL);
3483 }
3484 #endif
3485 
3486 #endif /* NO_VIM_MAIN */
3487 
3488 #if defined(STARTUPTIME) || defined(PROTO)
3489 static void time_diff(struct timeval *then, struct timeval *now);
3490 
3491 static struct timeval	prev_timeval;
3492 
3493 # ifdef WIN3264
3494 /*
3495  * Windows doesn't have gettimeofday(), although it does have struct timeval.
3496  */
3497     static int
3498 gettimeofday(struct timeval *tv, char *dummy)
3499 {
3500     long t = clock();
3501     tv->tv_sec = t / CLOCKS_PER_SEC;
3502     tv->tv_usec = (t - tv->tv_sec * CLOCKS_PER_SEC) * 1000000 / CLOCKS_PER_SEC;
3503     return 0;
3504 }
3505 # endif
3506 
3507 /*
3508  * Save the previous time before doing something that could nest.
3509  * set "*tv_rel" to the time elapsed so far.
3510  */
3511     void
3512 time_push(void *tv_rel, void *tv_start)
3513 {
3514     *((struct timeval *)tv_rel) = prev_timeval;
3515     gettimeofday(&prev_timeval, NULL);
3516     ((struct timeval *)tv_rel)->tv_usec = prev_timeval.tv_usec
3517 					- ((struct timeval *)tv_rel)->tv_usec;
3518     ((struct timeval *)tv_rel)->tv_sec = prev_timeval.tv_sec
3519 					 - ((struct timeval *)tv_rel)->tv_sec;
3520     if (((struct timeval *)tv_rel)->tv_usec < 0)
3521     {
3522 	((struct timeval *)tv_rel)->tv_usec += 1000000;
3523 	--((struct timeval *)tv_rel)->tv_sec;
3524     }
3525     *(struct timeval *)tv_start = prev_timeval;
3526 }
3527 
3528 /*
3529  * Compute the previous time after doing something that could nest.
3530  * Subtract "*tp" from prev_timeval;
3531  * Note: The arguments are (void *) to avoid trouble with systems that don't
3532  * have struct timeval.
3533  */
3534     void
3535 time_pop(
3536     void	*tp)	/* actually (struct timeval *) */
3537 {
3538     prev_timeval.tv_usec -= ((struct timeval *)tp)->tv_usec;
3539     prev_timeval.tv_sec -= ((struct timeval *)tp)->tv_sec;
3540     if (prev_timeval.tv_usec < 0)
3541     {
3542 	prev_timeval.tv_usec += 1000000;
3543 	--prev_timeval.tv_sec;
3544     }
3545 }
3546 
3547     static void
3548 time_diff(struct timeval *then, struct timeval *now)
3549 {
3550     long	usec;
3551     long	msec;
3552 
3553     usec = now->tv_usec - then->tv_usec;
3554     msec = (now->tv_sec - then->tv_sec) * 1000L + usec / 1000L,
3555     usec = usec % 1000L;
3556     fprintf(time_fd, "%03ld.%03ld", msec, usec >= 0 ? usec : usec + 1000L);
3557 }
3558 
3559     void
3560 time_msg(
3561     char	*mesg,
3562     void	*tv_start)  /* only for do_source: start time; actually
3563 			       (struct timeval *) */
3564 {
3565     static struct timeval	start;
3566     struct timeval		now;
3567 
3568     if (time_fd != NULL)
3569     {
3570 	if (strstr(mesg, "STARTING") != NULL)
3571 	{
3572 	    gettimeofday(&start, NULL);
3573 	    prev_timeval = start;
3574 	    fprintf(time_fd, "\n\ntimes in msec\n");
3575 	    fprintf(time_fd, " clock   self+sourced   self:  sourced script\n");
3576 	    fprintf(time_fd, " clock   elapsed:              other lines\n\n");
3577 	}
3578 	gettimeofday(&now, NULL);
3579 	time_diff(&start, &now);
3580 	if (((struct timeval *)tv_start) != NULL)
3581 	{
3582 	    fprintf(time_fd, "  ");
3583 	    time_diff(((struct timeval *)tv_start), &now);
3584 	}
3585 	fprintf(time_fd, "  ");
3586 	time_diff(&prev_timeval, &now);
3587 	prev_timeval = now;
3588 	fprintf(time_fd, ": %s\n", mesg);
3589     }
3590 }
3591 
3592 #endif
3593 
3594 #if !defined(NO_VIM_MAIN) && defined(FEAT_EVAL)
3595     static void
3596 set_progpath(char_u *argv0)
3597 {
3598     char_u *val = argv0;
3599 
3600 # ifdef PROC_EXE_LINK
3601     char    buf[PATH_MAX + 1];
3602     ssize_t len;
3603 
3604     len = readlink(PROC_EXE_LINK, buf, PATH_MAX);
3605     if (len > 0)
3606     {
3607 	buf[len] = NUL;
3608 	val = (char_u *)buf;
3609     }
3610 # else
3611     /* A relative path containing a "/" will become invalid when using ":cd",
3612      * turn it into a full path.
3613      * On MS-Windows "vim" should be expanded to "vim.exe", thus always do
3614      * this. */
3615 #  ifdef WIN32
3616     char_u *path = NULL;
3617 
3618     if (mch_can_exe(argv0, &path, FALSE) && path != NULL)
3619 	val = path;
3620 #  else
3621     char_u buf[MAXPATHL];
3622 
3623     if (!mch_isFullName(argv0))
3624     {
3625 	if (gettail(argv0) != argv0
3626 			   && vim_FullName(argv0, buf, MAXPATHL, TRUE) != FAIL)
3627 	    val = buf;
3628     }
3629 #  endif
3630 # endif
3631 
3632     set_vim_var_string(VV_PROGPATH, val, -1);
3633 
3634 # ifdef WIN32
3635     vim_free(path);
3636 # endif
3637 }
3638 
3639 #endif /* NO_VIM_MAIN */
3640 
3641 #if (defined(FEAT_CLIENTSERVER) && !defined(NO_VIM_MAIN)) || defined(PROTO)
3642 
3643 /*
3644  * Common code for the X command server and the Win32 command server.
3645  */
3646 
3647 static char_u *build_drop_cmd(int filec, char **filev, int tabs, int sendReply);
3648 
3649 /*
3650  * Do the client-server stuff, unless "--servername ''" was used.
3651  */
3652     static void
3653 exec_on_server(mparm_T *parmp)
3654 {
3655     if (parmp->serverName_arg == NULL || *parmp->serverName_arg != NUL)
3656     {
3657 # ifdef WIN32
3658 	/* Initialise the client/server messaging infrastructure. */
3659 	serverInitMessaging();
3660 # endif
3661 
3662 	/*
3663 	 * When a command server argument was found, execute it.  This may
3664 	 * exit Vim when it was successful.  Otherwise it's executed further
3665 	 * on.  Remember the encoding used here in "serverStrEnc".
3666 	 */
3667 	if (parmp->serverArg)
3668 	{
3669 	    cmdsrv_main(&parmp->argc, parmp->argv,
3670 				    parmp->serverName_arg, &parmp->serverStr);
3671 # ifdef FEAT_MBYTE
3672 	    parmp->serverStrEnc = vim_strsave(p_enc);
3673 # endif
3674 	}
3675 
3676 	/* If we're still running, get the name to register ourselves.
3677 	 * On Win32 can register right now, for X11 need to setup the
3678 	 * clipboard first, it's further down. */
3679 	parmp->servername = serverMakeName(parmp->serverName_arg,
3680 							      parmp->argv[0]);
3681 # ifdef WIN32
3682 	if (parmp->servername != NULL)
3683 	{
3684 	    serverSetName(parmp->servername);
3685 	    vim_free(parmp->servername);
3686 	}
3687 # endif
3688     }
3689 }
3690 
3691 /*
3692  * Prepare for running as a Vim server.
3693  */
3694     static void
3695 prepare_server(mparm_T *parmp)
3696 {
3697 # if defined(FEAT_X11)
3698     /*
3699      * Register for remote command execution with :serversend and --remote
3700      * unless there was a -X or a --servername '' on the command line.
3701      * Only register nongui-vim's with an explicit --servername argument.
3702      * When running as root --servername is also required.
3703      */
3704     if (X_DISPLAY != NULL && parmp->servername != NULL && (
3705 #  ifdef FEAT_GUI
3706 		(gui.in_use
3707 #   ifdef UNIX
3708 		 && getuid() != ROOT_UID
3709 #   endif
3710 		) ||
3711 #  endif
3712 		parmp->serverName_arg != NULL))
3713     {
3714 	(void)serverRegisterName(X_DISPLAY, parmp->servername);
3715 	vim_free(parmp->servername);
3716 	TIME_MSG("register server name");
3717     }
3718     else
3719 	serverDelayedStartName = parmp->servername;
3720 # endif
3721 
3722     /*
3723      * Execute command ourselves if we're here because the send failed (or
3724      * else we would have exited above).
3725      */
3726     if (parmp->serverStr != NULL)
3727     {
3728 	char_u *p;
3729 
3730 	server_to_input_buf(serverConvert(parmp->serverStrEnc,
3731 						       parmp->serverStr, &p));
3732 	vim_free(p);
3733     }
3734 }
3735 
3736     static void
3737 cmdsrv_main(
3738     int		*argc,
3739     char	**argv,
3740     char_u	*serverName_arg,
3741     char_u	**serverStr)
3742 {
3743     char_u	*res;
3744     int		i;
3745     char_u	*sname;
3746     int		ret;
3747     int		didone = FALSE;
3748     int		exiterr = 0;
3749     char	**newArgV = argv + 1;
3750     int		newArgC = 1,
3751 		Argc = *argc;
3752     int		argtype;
3753 #define ARGTYPE_OTHER		0
3754 #define ARGTYPE_EDIT		1
3755 #define ARGTYPE_EDIT_WAIT	2
3756 #define ARGTYPE_SEND		3
3757     int		silent = FALSE;
3758     int		tabs = FALSE;
3759 # ifndef FEAT_X11
3760     HWND	srv;
3761 # else
3762     Window	srv;
3763 
3764     setup_term_clip();
3765 # endif
3766 
3767     sname = serverMakeName(serverName_arg, argv[0]);
3768     if (sname == NULL)
3769 	return;
3770 
3771     /*
3772      * Execute the command server related arguments and remove them
3773      * from the argc/argv array; We may have to return into main()
3774      */
3775     for (i = 1; i < Argc; i++)
3776     {
3777 	res = NULL;
3778 	if (STRCMP(argv[i], "--") == 0)	/* end of option arguments */
3779 	{
3780 	    for (; i < *argc; i++)
3781 	    {
3782 		*newArgV++ = argv[i];
3783 		newArgC++;
3784 	    }
3785 	    break;
3786 	}
3787 
3788 	if (STRICMP(argv[i], "--remote-send") == 0)
3789 	    argtype = ARGTYPE_SEND;
3790 	else if (STRNICMP(argv[i], "--remote", 8) == 0)
3791 	{
3792 	    char	*p = argv[i] + 8;
3793 
3794 	    argtype = ARGTYPE_EDIT;
3795 	    while (*p != NUL)
3796 	    {
3797 		if (STRNICMP(p, "-wait", 5) == 0)
3798 		{
3799 		    argtype = ARGTYPE_EDIT_WAIT;
3800 		    p += 5;
3801 		}
3802 		else if (STRNICMP(p, "-silent", 7) == 0)
3803 		{
3804 		    silent = TRUE;
3805 		    p += 7;
3806 		}
3807 		else if (STRNICMP(p, "-tab", 4) == 0)
3808 		{
3809 		    tabs = TRUE;
3810 		    p += 4;
3811 		}
3812 		else
3813 		{
3814 		    argtype = ARGTYPE_OTHER;
3815 		    break;
3816 		}
3817 	    }
3818 	}
3819 	else
3820 	    argtype = ARGTYPE_OTHER;
3821 
3822 	if (argtype != ARGTYPE_OTHER)
3823 	{
3824 	    if (i == *argc - 1)
3825 		mainerr_arg_missing((char_u *)argv[i]);
3826 	    if (argtype == ARGTYPE_SEND)
3827 	    {
3828 		*serverStr = (char_u *)argv[i + 1];
3829 		i++;
3830 	    }
3831 	    else
3832 	    {
3833 		*serverStr = build_drop_cmd(*argc - i - 1, argv + i + 1,
3834 					  tabs, argtype == ARGTYPE_EDIT_WAIT);
3835 		if (*serverStr == NULL)
3836 		{
3837 		    /* Probably out of memory, exit. */
3838 		    didone = TRUE;
3839 		    exiterr = 1;
3840 		    break;
3841 		}
3842 		Argc = i;
3843 	    }
3844 # ifdef FEAT_X11
3845 	    if (xterm_dpy == NULL)
3846 	    {
3847 		mch_errmsg(_("No display"));
3848 		ret = -1;
3849 	    }
3850 	    else
3851 		ret = serverSendToVim(xterm_dpy, sname, *serverStr,
3852 						  NULL, &srv, 0, 0, 0, silent);
3853 # else
3854 	    /* Win32 always works? */
3855 	    ret = serverSendToVim(sname, *serverStr, NULL, &srv, 0, 0, silent);
3856 # endif
3857 	    if (ret < 0)
3858 	    {
3859 		if (argtype == ARGTYPE_SEND)
3860 		{
3861 		    /* Failed to send, abort. */
3862 		    mch_errmsg(_(": Send failed.\n"));
3863 		    didone = TRUE;
3864 		    exiterr = 1;
3865 		}
3866 		else if (!silent)
3867 		    /* Let vim start normally.  */
3868 		    mch_errmsg(_(": Send failed. Trying to execute locally\n"));
3869 		break;
3870 	    }
3871 
3872 # ifdef FEAT_GUI_W32
3873 	    /* Guess that when the server name starts with "g" it's a GUI
3874 	     * server, which we can bring to the foreground here.
3875 	     * Foreground() in the server doesn't work very well. */
3876 	    if (argtype != ARGTYPE_SEND && TOUPPER_ASC(*sname) == 'G')
3877 		SetForegroundWindow(srv);
3878 # endif
3879 
3880 	    /*
3881 	     * For --remote-wait: Wait until the server did edit each
3882 	     * file.  Also detect that the server no longer runs.
3883 	     */
3884 	    if (ret >= 0 && argtype == ARGTYPE_EDIT_WAIT)
3885 	    {
3886 		int	numFiles = *argc - i - 1;
3887 		int	j;
3888 		char_u  *done = alloc(numFiles);
3889 		char_u  *p;
3890 # ifdef FEAT_GUI_W32
3891 		NOTIFYICONDATA ni;
3892 		int	count = 0;
3893 		extern HWND message_window;
3894 # endif
3895 
3896 		if (numFiles > 0 && argv[i + 1][0] == '+')
3897 		    /* Skip "+cmd" argument, don't wait for it to be edited. */
3898 		    --numFiles;
3899 
3900 # ifdef FEAT_GUI_W32
3901 		ni.cbSize = sizeof(ni);
3902 		ni.hWnd = message_window;
3903 		ni.uID = 0;
3904 		ni.uFlags = NIF_ICON|NIF_TIP;
3905 		ni.hIcon = LoadIcon((HINSTANCE)GetModuleHandle(0), "IDR_VIM");
3906 		sprintf(ni.szTip, _("%d of %d edited"), count, numFiles);
3907 		Shell_NotifyIcon(NIM_ADD, &ni);
3908 # endif
3909 
3910 		/* Wait for all files to unload in remote */
3911 		vim_memset(done, 0, numFiles);
3912 		while (memchr(done, 0, numFiles) != NULL)
3913 		{
3914 # ifdef WIN32
3915 		    p = serverGetReply(srv, NULL, TRUE, TRUE, 0);
3916 		    if (p == NULL)
3917 			break;
3918 # else
3919 		    if (serverReadReply(xterm_dpy, srv, &p, TRUE, -1) < 0)
3920 			break;
3921 # endif
3922 		    j = atoi((char *)p);
3923 		    if (j >= 0 && j < numFiles)
3924 		    {
3925 # ifdef FEAT_GUI_W32
3926 			++count;
3927 			sprintf(ni.szTip, _("%d of %d edited"),
3928 							     count, numFiles);
3929 			Shell_NotifyIcon(NIM_MODIFY, &ni);
3930 # endif
3931 			done[j] = 1;
3932 		    }
3933 		}
3934 # ifdef FEAT_GUI_W32
3935 		Shell_NotifyIcon(NIM_DELETE, &ni);
3936 # endif
3937 	    }
3938 	}
3939 	else if (STRICMP(argv[i], "--remote-expr") == 0)
3940 	{
3941 	    if (i == *argc - 1)
3942 		mainerr_arg_missing((char_u *)argv[i]);
3943 # ifdef WIN32
3944 	    /* Win32 always works? */
3945 	    if (serverSendToVim(sname, (char_u *)argv[i + 1],
3946 						  &res, NULL, 1, 0, FALSE) < 0)
3947 # else
3948 	    if (xterm_dpy == NULL)
3949 		mch_errmsg(_("No display: Send expression failed.\n"));
3950 	    else if (serverSendToVim(xterm_dpy, sname, (char_u *)argv[i + 1],
3951 					       &res, NULL, 1, 0, 1, FALSE) < 0)
3952 # endif
3953 	    {
3954 		if (res != NULL && *res != NUL)
3955 		{
3956 		    /* Output error from remote */
3957 		    mch_errmsg((char *)res);
3958 		    vim_free(res);
3959 		    res = NULL;
3960 		}
3961 		mch_errmsg(_(": Send expression failed.\n"));
3962 	    }
3963 	}
3964 	else if (STRICMP(argv[i], "--serverlist") == 0)
3965 	{
3966 # ifdef WIN32
3967 	    /* Win32 always works? */
3968 	    res = serverGetVimNames();
3969 # else
3970 	    if (xterm_dpy != NULL)
3971 		res = serverGetVimNames(xterm_dpy);
3972 # endif
3973 	    if (called_emsg)
3974 		mch_errmsg("\n");
3975 	}
3976 	else if (STRICMP(argv[i], "--servername") == 0)
3977 	{
3978 	    /* Already processed. Take it out of the command line */
3979 	    i++;
3980 	    continue;
3981 	}
3982 	else
3983 	{
3984 	    *newArgV++ = argv[i];
3985 	    newArgC++;
3986 	    continue;
3987 	}
3988 	didone = TRUE;
3989 	if (res != NULL && *res != NUL)
3990 	{
3991 	    mch_msg((char *)res);
3992 	    if (res[STRLEN(res) - 1] != '\n')
3993 		mch_msg("\n");
3994 	}
3995 	vim_free(res);
3996     }
3997 
3998     if (didone)
3999     {
4000 	display_errors();	/* display any collected messages */
4001 	exit(exiterr);	/* Mission accomplished - get out */
4002     }
4003 
4004     /* Return back into main() */
4005     *argc = newArgC;
4006     vim_free(sname);
4007 }
4008 
4009 /*
4010  * Build a ":drop" command to send to a Vim server.
4011  */
4012     static char_u *
4013 build_drop_cmd(
4014     int		filec,
4015     char	**filev,
4016     int		tabs,		/* Use ":tab drop" instead of ":drop". */
4017     int		sendReply)
4018 {
4019     garray_T	ga;
4020     int		i;
4021     char_u	*inicmd = NULL;
4022     char_u	*p;
4023     char_u	*cdp;
4024     char_u	*cwd;
4025 
4026     if (filec > 0 && filev[0][0] == '+')
4027     {
4028 	inicmd = (char_u *)filev[0] + 1;
4029 	filev++;
4030 	filec--;
4031     }
4032     /* Check if we have at least one argument. */
4033     if (filec <= 0)
4034 	mainerr_arg_missing((char_u *)filev[-1]);
4035 
4036     /* Temporarily cd to the current directory to handle relative file names. */
4037     cwd = alloc(MAXPATHL);
4038     if (cwd == NULL)
4039 	return NULL;
4040     if (mch_dirname(cwd, MAXPATHL) != OK)
4041     {
4042 	vim_free(cwd);
4043 	return NULL;
4044     }
4045     cdp = vim_strsave_escaped_ext(cwd,
4046 #ifdef BACKSLASH_IN_FILENAME
4047 		    (char_u *)"",  /* rem_backslash() will tell what chars to escape */
4048 #else
4049 		    PATH_ESC_CHARS,
4050 #endif
4051 		    '\\', TRUE);
4052     vim_free(cwd);
4053     if (cdp == NULL)
4054 	return NULL;
4055     ga_init2(&ga, 1, 100);
4056     ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
4057     ga_concat(&ga, cdp);
4058 
4059     /* Call inputsave() so that a prompt for an encryption key works. */
4060     ga_concat(&ga, (char_u *)"<CR>:if exists('*inputsave')|call inputsave()|endif|");
4061     if (tabs)
4062 	ga_concat(&ga, (char_u *)"tab ");
4063     ga_concat(&ga, (char_u *)"drop");
4064     for (i = 0; i < filec; i++)
4065     {
4066 	/* On Unix the shell has already expanded the wildcards, don't want to
4067 	 * do it again in the Vim server.  On MS-Windows only escape
4068 	 * non-wildcard characters. */
4069 	p = vim_strsave_escaped((char_u *)filev[i],
4070 #ifdef UNIX
4071 		PATH_ESC_CHARS
4072 #else
4073 		(char_u *)" \t%#"
4074 #endif
4075 		);
4076 	if (p == NULL)
4077 	{
4078 	    vim_free(ga.ga_data);
4079 	    return NULL;
4080 	}
4081 	ga_concat(&ga, (char_u *)" ");
4082 	ga_concat(&ga, p);
4083 	vim_free(p);
4084     }
4085     ga_concat(&ga, (char_u *)"|if exists('*inputrestore')|call inputrestore()|endif<CR>");
4086 
4087     /* The :drop commands goes to Insert mode when 'insertmode' is set, use
4088      * CTRL-\ CTRL-N again. */
4089     ga_concat(&ga, (char_u *)"<C-\\><C-N>");
4090 
4091     /* Switch back to the correct current directory (prior to temporary path
4092      * switch) unless 'autochdir' is set, in which case it will already be
4093      * correct after the :drop command. With line breaks and spaces:
4094      *  if !exists('+acd') || !&acd
4095      *    if haslocaldir()
4096      *	    cd -
4097      *      lcd -
4098      *    elseif getcwd() ==# 'current path'
4099      *      cd -
4100      *    endif
4101      *  endif
4102      */
4103     ga_concat(&ga, (char_u *)":if !exists('+acd')||!&acd|if haslocaldir()|");
4104     ga_concat(&ga, (char_u *)"cd -|lcd -|elseif getcwd() ==# '");
4105     ga_concat(&ga, cdp);
4106     ga_concat(&ga, (char_u *)"'|cd -|endif|endif<CR>");
4107     vim_free(cdp);
4108 
4109     if (sendReply)
4110 	ga_concat(&ga, (char_u *)":call SetupRemoteReplies()<CR>");
4111     ga_concat(&ga, (char_u *)":");
4112     if (inicmd != NULL)
4113     {
4114 	/* Can't use <CR> after "inicmd", because an "startinsert" would cause
4115 	 * the following commands to be inserted as text.  Use a "|",
4116 	 * hopefully "inicmd" does allow this... */
4117 	ga_concat(&ga, inicmd);
4118 	ga_concat(&ga, (char_u *)"|");
4119     }
4120     /* Bring the window to the foreground, goto Insert mode when 'im' set and
4121      * clear command line. */
4122     ga_concat(&ga, (char_u *)"cal foreground()|if &im|star|en|redr|f<CR>");
4123     ga_append(&ga, NUL);
4124     return ga.ga_data;
4125 }
4126 
4127 /*
4128  * Make our basic server name: use the specified "arg" if given, otherwise use
4129  * the tail of the command "cmd" we were started with.
4130  * Return the name in allocated memory.  This doesn't include a serial number.
4131  */
4132     static char_u *
4133 serverMakeName(char_u *arg, char *cmd)
4134 {
4135     char_u *p;
4136 
4137     if (arg != NULL && *arg != NUL)
4138 	p = vim_strsave_up(arg);
4139     else
4140     {
4141 	p = vim_strsave_up(gettail((char_u *)cmd));
4142 	/* Remove .exe or .bat from the name. */
4143 	if (p != NULL && vim_strchr(p, '.') != NULL)
4144 	    *vim_strchr(p, '.') = NUL;
4145     }
4146     return p;
4147 }
4148 #endif /* FEAT_CLIENTSERVER */
4149 
4150 #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
4151 /*
4152  * Replace termcodes such as <CR> and insert as key presses if there is room.
4153  */
4154     void
4155 server_to_input_buf(char_u *str)
4156 {
4157     char_u      *ptr = NULL;
4158     char_u      *cpo_save = p_cpo;
4159 
4160     /* Set 'cpoptions' the way we want it.
4161      *    B set - backslashes are *not* treated specially
4162      *    k set - keycodes are *not* reverse-engineered
4163      *    < unset - <Key> sequences *are* interpreted
4164      *  The last but one parameter of replace_termcodes() is TRUE so that the
4165      *  <lt> sequence is recognised - needed for a real backslash.
4166      */
4167     p_cpo = (char_u *)"Bk";
4168     str = replace_termcodes((char_u *)str, &ptr, FALSE, TRUE, FALSE);
4169     p_cpo = cpo_save;
4170 
4171     if (*ptr != NUL)	/* trailing CTRL-V results in nothing */
4172     {
4173 	/*
4174 	 * Add the string to the input stream.
4175 	 * Can't use add_to_input_buf() here, we now have K_SPECIAL bytes.
4176 	 *
4177 	 * First clear typed characters from the typeahead buffer, there could
4178 	 * be half a mapping there.  Then append to the existing string, so
4179 	 * that multiple commands from a client are concatenated.
4180 	 */
4181 	if (typebuf.tb_maplen < typebuf.tb_len)
4182 	    del_typebuf(typebuf.tb_len - typebuf.tb_maplen, typebuf.tb_maplen);
4183 	(void)ins_typebuf(str, REMAP_NONE, typebuf.tb_len, TRUE, FALSE);
4184 
4185 	/* Let input_available() know we inserted text in the typeahead
4186 	 * buffer. */
4187 	typebuf_was_filled = TRUE;
4188     }
4189     vim_free((char_u *)ptr);
4190 }
4191 
4192 /*
4193  * Evaluate an expression that the client sent to a string.
4194  */
4195     char_u *
4196 eval_client_expr_to_string(char_u *expr)
4197 {
4198     char_u	*res;
4199     int		save_dbl = debug_break_level;
4200     int		save_ro = redir_off;
4201     void	*fc;
4202 
4203     /* Evaluate the expression at the toplevel, don't use variables local to
4204      * the calling function. */
4205     fc = clear_current_funccal();
4206 
4207      /* Disable debugging, otherwise Vim hangs, waiting for "cont" to be
4208       * typed. */
4209     debug_break_level = -1;
4210     redir_off = 0;
4211     /* Do not display error message, otherwise Vim hangs, waiting for "cont"
4212      * to be typed.  Do generate errors so that try/catch works. */
4213     ++emsg_silent;
4214 
4215     res = eval_to_string(expr, NULL, TRUE);
4216 
4217     debug_break_level = save_dbl;
4218     redir_off = save_ro;
4219     --emsg_silent;
4220     if (emsg_silent < 0)
4221 	emsg_silent = 0;
4222     restore_current_funccal(fc);
4223 
4224     /* A client can tell us to redraw, but not to display the cursor, so do
4225      * that here. */
4226     setcursor();
4227     out_flush();
4228 #ifdef FEAT_GUI
4229     if (gui.in_use)
4230 	gui_update_cursor(FALSE, FALSE);
4231 #endif
4232 
4233     return res;
4234 }
4235 
4236 /*
4237  * Evaluate a command or expression sent to ourselves.
4238  */
4239     int
4240 sendToLocalVim(char_u *cmd, int asExpr, char_u **result)
4241 {
4242     if (asExpr)
4243     {
4244 	char_u *ret;
4245 
4246 	ret = eval_client_expr_to_string(cmd);
4247 	if (result != NULL)
4248 	{
4249 	    if (ret == NULL)
4250 	    {
4251 		char	*err = _(e_invexprmsg);
4252 		size_t	len = STRLEN(cmd) + STRLEN(err) + 5;
4253 		char_u	*msg;
4254 
4255 		msg = alloc((unsigned)len);
4256 		if (msg != NULL)
4257 		    vim_snprintf((char *)msg, len, "%s: \"%s\"", err, cmd);
4258 		*result = msg;
4259 	    }
4260 	    else
4261 		*result = ret;
4262 	}
4263 	else
4264 	    vim_free(ret);
4265 	return ret == NULL ? -1 : 0;
4266     }
4267     server_to_input_buf(cmd);
4268     return 0;
4269 }
4270 
4271 /*
4272  * If conversion is needed, convert "data" from "client_enc" to 'encoding' and
4273  * return an allocated string.  Otherwise return "data".
4274  * "*tofree" is set to the result when it needs to be freed later.
4275  */
4276     char_u *
4277 serverConvert(
4278     char_u *client_enc UNUSED,
4279     char_u *data,
4280     char_u **tofree)
4281 {
4282     char_u	*res = data;
4283 
4284     *tofree = NULL;
4285 # ifdef FEAT_MBYTE
4286     if (client_enc != NULL && p_enc != NULL)
4287     {
4288 	vimconv_T	vimconv;
4289 
4290 	vimconv.vc_type = CONV_NONE;
4291 	if (convert_setup(&vimconv, client_enc, p_enc) != FAIL
4292 					      && vimconv.vc_type != CONV_NONE)
4293 	{
4294 	    res = string_convert(&vimconv, data, NULL);
4295 	    if (res == NULL)
4296 		res = data;
4297 	    else
4298 		*tofree = res;
4299 	}
4300 	convert_setup(&vimconv, NULL, NULL);
4301     }
4302 # endif
4303     return res;
4304 }
4305 #endif
4306