xref: /vim-8.2.3635/src/main.c (revision fcfe1a9b)
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 MSWIN
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(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))
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 usage(void);
43 static void parse_command_name(mparm_T *parmp);
44 static void command_line_scan(mparm_T *parmp);
45 static void check_tty(mparm_T *parmp);
46 static void read_stdin(void);
47 static void create_windows(mparm_T *parmp);
48 static void edit_buffers(mparm_T *parmp, char_u *cwd);
49 static void exe_pre_commands(mparm_T *parmp);
50 static void exe_commands(mparm_T *parmp);
51 static void source_startup_scripts(mparm_T *parmp);
52 static void main_start_gui(void);
53 static void check_swap_exists_action(void);
54 # ifdef FEAT_EVAL
55 static void set_progpath(char_u *argv0);
56 # endif
57 # if defined(FEAT_CLIENTSERVER) || defined(PROTO)
58 static void exec_on_server(mparm_T *parmp);
59 static void prepare_server(mparm_T *parmp);
60 static void cmdsrv_main(int *argc, char **argv, char_u *serverName_arg, char_u **serverStr);
61 static char_u *serverMakeName(char_u *arg, char *cmd);
62 # endif
63 #endif
64 
65 
66 /*
67  * Different types of error messages.
68  */
69 static char *(main_errors[]) =
70 {
71     N_("Unknown option argument"),
72 #define ME_UNKNOWN_OPTION	0
73     N_("Too many edit arguments"),
74 #define ME_TOO_MANY_ARGS	1
75     N_("Argument missing after"),
76 #define ME_ARG_MISSING		2
77     N_("Garbage after option argument"),
78 #define ME_GARBAGE		3
79     N_("Too many \"+command\", \"-c command\" or \"--cmd command\" arguments"),
80 #define ME_EXTRA_CMD		4
81     N_("Invalid argument for"),
82 #define ME_INVALID_ARG		5
83 };
84 
85 #ifndef PROTO		/* don't want a prototype for main() */
86 
87 /* Various parameters passed between main() and other functions. */
88 static mparm_T	params;
89 
90 #ifndef NO_VIM_MAIN	/* skip this for unittests */
91 
92 static char_u *start_dir = NULL;	/* current working dir on startup */
93 
94 static int has_dash_c_arg = FALSE;
95 
96 # ifdef VIMDLL
97 __declspec(dllexport)
98 # endif
99     int
100 # ifdef MSWIN
101 VimMain
102 # else
103 main
104 # endif
105 (int argc, char **argv)
106 {
107 #if defined(STARTUPTIME) || defined(CLEAN_RUNTIMEPATH)
108     int		i;
109 #endif
110 
111     /*
112      * Do any system-specific initialisations.  These can NOT use IObuff or
113      * NameBuff.  Thus emsg2() cannot be called!
114      */
115     mch_early_init();
116 
117 #ifdef MSWIN
118     /*
119      * MinGW expands command line arguments, which confuses our code to
120      * convert when 'encoding' changes.  Get the unexpanded arguments.
121      */
122     argc = get_cmd_argsW(&argv);
123 #endif
124 
125     /* Many variables are in "params" so that we can pass them to invoked
126      * functions without a lot of arguments.  "argc" and "argv" are also
127      * copied, so that they can be changed. */
128     vim_memset(&params, 0, sizeof(params));
129     params.argc = argc;
130     params.argv = argv;
131     params.want_full_screen = TRUE;
132 #ifdef FEAT_EVAL
133     params.use_debug_break_level = -1;
134 #endif
135     params.window_count = -1;
136 
137 #ifdef FEAT_RUBY
138     {
139 	int ruby_stack_start;
140 	vim_ruby_init((void *)&ruby_stack_start);
141     }
142 #endif
143 
144 #ifdef FEAT_TCL
145     vim_tcl_init(params.argv[0]);
146 #endif
147 
148 #ifdef MEM_PROFILE
149     atexit(vim_mem_profile_dump);
150 #endif
151 
152 #ifdef STARTUPTIME
153     /* Need to find "--startuptime" before actually parsing arguments. */
154     for (i = 1; i < argc - 1; ++i)
155 	if (STRICMP(argv[i], "--startuptime") == 0)
156 	{
157 	    time_fd = mch_fopen(argv[i + 1], "a");
158 	    TIME_MSG("--- VIM STARTING ---");
159 	    break;
160 	}
161 #endif
162     starttime = time(NULL);
163 
164 #ifdef CLEAN_RUNTIMEPATH
165     /* Need to find "--clean" before actually parsing arguments. */
166     for (i = 1; i < argc; ++i)
167 	if (STRICMP(argv[i], "--clean") == 0)
168 	{
169 	    params.clean = TRUE;
170 	    break;
171 	}
172 #endif
173     common_init(&params);
174 
175 #ifdef VIMDLL
176     // Check if the current executable file is for the GUI subsystem.
177     gui.starting = mch_is_gui_executable();
178 #elif defined(FEAT_GUI_MSWIN)
179     gui.starting = TRUE;
180 #endif
181 
182 #ifdef FEAT_CLIENTSERVER
183     /*
184      * Do the client-server stuff, unless "--servername ''" was used.
185      * This may exit Vim if the command was sent to the server.
186      */
187     exec_on_server(&params);
188 #endif
189 
190     /*
191      * Figure out the way to work from the command name argv[0].
192      * "vimdiff" starts diff mode, "rvim" sets "restricted", etc.
193      */
194     parse_command_name(&params);
195 
196     /*
197      * Process the command line arguments.  File names are put in the global
198      * argument list "global_alist".
199      */
200     command_line_scan(&params);
201     TIME_MSG("parsing arguments");
202 
203     /*
204      * On some systems, when we compile with the GUI, we always use it.  On Mac
205      * there is no terminal version, and on Windows we can't fork one off with
206      * :gui.
207      */
208 #ifdef ALWAYS_USE_GUI
209     gui.starting = TRUE;
210 #else
211 # if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
212     /*
213      * Check if the GUI can be started.  Reset gui.starting if not.
214      * Don't know about other systems, stay on the safe side and don't check.
215      */
216     if (gui.starting)
217     {
218 	if (gui_init_check() == FAIL)
219 	{
220 	    gui.starting = FALSE;
221 
222 	    /* When running "evim" or "gvim -y" we need the menus, exit if we
223 	     * don't have them. */
224 	    if (params.evim_mode)
225 		mch_exit(1);
226 	}
227     }
228 # endif
229 #endif
230 
231     if (GARGCOUNT > 0)
232     {
233 #ifdef EXPAND_FILENAMES
234 	/*
235 	 * Expand wildcards in file names.
236 	 */
237 	if (!params.literal)
238 	{
239 	    start_dir = alloc(MAXPATHL);
240 	    if (start_dir != NULL)
241 		mch_dirname(start_dir, MAXPATHL);
242 	    /* Temporarily add '(' and ')' to 'isfname'.  These are valid
243 	     * filename characters but are excluded from 'isfname' to make
244 	     * "gf" work on a file name in parenthesis (e.g.: see vim.h). */
245 	    do_cmdline_cmd((char_u *)":set isf+=(,)");
246 	    alist_expand(NULL, 0);
247 	    do_cmdline_cmd((char_u *)":set isf&");
248 	    if (start_dir != NULL)
249 		mch_chdir((char *)start_dir);
250 	}
251 #endif
252 	params.fname = alist_name(&GARGLIST[0]);
253     }
254 
255 #ifdef MSWIN
256     {
257 	extern void set_alist_count(void);
258 
259 	/* Remember the number of entries in the argument list.  If it changes
260 	 * we don't react on setting 'encoding'. */
261 	set_alist_count();
262     }
263 #endif
264 
265 #ifdef MSWIN
266     if (GARGCOUNT == 1 && params.full_path)
267     {
268 	/*
269 	 * If there is one filename, fully qualified, we have very probably
270 	 * been invoked from explorer, so change to the file's directory.
271 	 * Hint: to avoid this when typing a command use a forward slash.
272 	 * If the cd fails, it doesn't matter.
273 	 */
274 	(void)vim_chdirfile(params.fname, "drop");
275 	if (start_dir != NULL)
276 	    mch_dirname(start_dir, MAXPATHL);
277     }
278 #endif
279     TIME_MSG("expanding arguments");
280 
281 #ifdef FEAT_DIFF
282     if (params.diff_mode && params.window_count == -1)
283 	params.window_count = 0;	/* open up to 3 windows */
284 #endif
285 
286     /* Don't redraw until much later. */
287     ++RedrawingDisabled;
288 
289     /*
290      * When listing swap file names, don't do cursor positioning et. al.
291      */
292     if (recoverymode && params.fname == NULL)
293 	params.want_full_screen = FALSE;
294 
295     /*
296      * When certain to start the GUI, don't check capabilities of terminal.
297      * For GTK we can't be sure, but when started from the desktop it doesn't
298      * make sense to try using a terminal.
299      */
300 #if defined(ALWAYS_USE_GUI) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
301 	|| defined(VIMDLL)
302     if (gui.starting
303 # ifdef FEAT_GUI_GTK
304 	    && !isatty(2)
305 # endif
306 	    )
307 	params.want_full_screen = FALSE;
308 #endif
309 
310 #if defined(FEAT_GUI_MAC) && defined(MACOS_X_DARWIN)
311     /* When the GUI is started from Finder, need to display messages in a
312      * message box.  isatty(2) returns TRUE anyway, thus we need to check the
313      * name to know we're not started from a terminal. */
314     if (gui.starting && (!isatty(2) || strcmp("/dev/console", ttyname(2)) == 0))
315     {
316 	params.want_full_screen = FALSE;
317 
318 	/* Avoid always using "/" as the current directory.  Note that when
319 	 * started from Finder the arglist will be filled later in
320 	 * HandleODocAE() and "fname" will be NULL. */
321 	if (getcwd((char *)NameBuff, MAXPATHL) != NULL
322 						&& STRCMP(NameBuff, "/") == 0)
323 	{
324 	    if (params.fname != NULL)
325 		(void)vim_chdirfile(params.fname, "drop");
326 	    else
327 	    {
328 		expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
329 		vim_chdir(NameBuff);
330 	    }
331 	    if (start_dir != NULL)
332 		mch_dirname(start_dir, MAXPATHL);
333 	}
334     }
335 #endif
336 
337     /*
338      * mch_init() sets up the terminal (window) for use.  This must be
339      * done after resetting full_screen, otherwise it may move the cursor.
340      * Note that we may use mch_exit() before mch_init()!
341      */
342     mch_init();
343     TIME_MSG("shell init");
344 
345 #ifdef USE_XSMP
346     /*
347      * For want of anywhere else to do it, try to connect to xsmp here.
348      * Fitting it in after gui_mch_init, but before gui_init (via termcapinit).
349      * Hijacking -X 'no X connection' to also disable XSMP connection as that
350      * has a similar delay upon failure.
351      * Only try if SESSION_MANAGER is set to something non-null.
352      */
353     if (!x_no_connect)
354     {
355 	char *p = getenv("SESSION_MANAGER");
356 
357 	if (p != NULL && *p != NUL)
358 	{
359 	    xsmp_init();
360 	    TIME_MSG("xsmp init");
361 	}
362     }
363 #endif
364 
365     /*
366      * Print a warning if stdout is not a terminal.
367      */
368     check_tty(&params);
369 
370 #ifdef _IOLBF
371     /* Ensure output works usefully without a tty: buffer lines instead of
372      * fully buffered. */
373     if (silent_mode)
374 	setvbuf(stdout, NULL, _IOLBF, 0);
375 #endif
376 
377     // This message comes before term inits, but after setting "silent_mode"
378     // when the input is not a tty. Omit the message with --not-a-term.
379     if (GARGCOUNT > 1 && !silent_mode && !is_not_a_term())
380 	printf(_("%d files to edit\n"), GARGCOUNT);
381 
382     if (params.want_full_screen && !silent_mode)
383     {
384 	termcapinit(params.term);	/* set terminal name and get terminal
385 				   capabilities (will set full_screen) */
386 	screen_start();		/* don't know where cursor is now */
387 	TIME_MSG("Termcap init");
388     }
389 
390     /*
391      * Set the default values for the options that use Rows and Columns.
392      */
393     ui_get_shellsize();		/* inits Rows and Columns */
394     win_init_size();
395 #ifdef FEAT_DIFF
396     /* Set the 'diff' option now, so that it can be checked for in a .vimrc
397      * file.  There is no buffer yet though. */
398     if (params.diff_mode)
399 	diff_win_options(firstwin, FALSE);
400 #endif
401 
402     cmdline_row = Rows - p_ch;
403     msg_row = cmdline_row;
404     screenalloc(FALSE);		/* allocate screen buffers */
405     set_init_2();
406     TIME_MSG("inits 2");
407 
408     msg_scroll = TRUE;
409     no_wait_return = TRUE;
410 
411     init_mappings();		/* set up initial mappings */
412 
413     init_highlight(TRUE, FALSE); /* set the default highlight groups */
414     TIME_MSG("init highlight");
415 
416 #ifdef FEAT_EVAL
417     /* Set the break level after the terminal is initialized. */
418     debug_break_level = params.use_debug_break_level;
419 #endif
420 
421     /* Reset 'loadplugins' for "-u NONE" before "--cmd" arguments.
422      * Allows for setting 'loadplugins' there. */
423     if (params.use_vimrc != NULL
424 	    && (STRCMP(params.use_vimrc, "NONE") == 0
425 		|| STRCMP(params.use_vimrc, "DEFAULTS") == 0))
426 	p_lpl = FALSE;
427 
428     /* Execute --cmd arguments. */
429     exe_pre_commands(&params);
430 
431     /* Source startup scripts. */
432     source_startup_scripts(&params);
433 
434 #ifdef FEAT_MZSCHEME
435     /*
436      * Newer version of MzScheme (Racket) require earlier (trampolined)
437      * initialisation via scheme_main_setup.
438      * Implement this by initialising it as early as possible
439      * and splitting off remaining Vim main into vim_main2().
440      * Do source startup scripts, so that 'mzschemedll' can be set.
441      */
442     return mzscheme_main();
443 #else
444     return vim_main2();
445 #endif
446 }
447 #endif /* NO_VIM_MAIN */
448 #endif /* PROTO */
449 
450 /*
451  * vim_main2() is needed for FEAT_MZSCHEME, but we define it always to keep
452  * things simple.
453  * It is also defined when NO_VIM_MAIN is defined, but then it's empty.
454  */
455     int
456 vim_main2(void)
457 {
458 #ifndef NO_VIM_MAIN
459 #ifdef FEAT_EVAL
460     /*
461      * Read all the plugin files.
462      * Only when compiled with +eval, since most plugins need it.
463      */
464     if (p_lpl)
465     {
466 	char_u *rtp_copy = NULL;
467 
468 	/* First add all package directories to 'runtimepath', so that their
469 	 * autoload directories can be found.  Only if not done already with a
470 	 * :packloadall command.
471 	 * Make a copy of 'runtimepath', so that source_runtime does not use
472 	 * the pack directories. */
473 	if (!did_source_packages)
474 	{
475 	    rtp_copy = vim_strsave(p_rtp);
476 	    add_pack_start_dirs();
477 	}
478 
479 	source_in_path(rtp_copy == NULL ? p_rtp : rtp_copy,
480 # ifdef VMS	/* Somehow VMS doesn't handle the "**". */
481 		(char_u *)"plugin/*.vim",
482 # else
483 		(char_u *)"plugin/**/*.vim",
484 # endif
485 		DIP_ALL | DIP_NOAFTER);
486 	TIME_MSG("loading plugins");
487 	vim_free(rtp_copy);
488 
489 	/* Only source "start" packages if not done already with a :packloadall
490 	 * command. */
491 	if (!did_source_packages)
492 	    load_start_packages();
493 	TIME_MSG("loading packages");
494 
495 # ifdef VMS	/* Somehow VMS doesn't handle the "**". */
496 	source_runtime((char_u *)"plugin/*.vim", DIP_ALL | DIP_AFTER);
497 # else
498 	source_runtime((char_u *)"plugin/**/*.vim", DIP_ALL | DIP_AFTER);
499 # endif
500 	TIME_MSG("loading after plugins");
501 
502     }
503 #endif
504 
505 #ifdef FEAT_DIFF
506     /* Decide about window layout for diff mode after reading vimrc. */
507     if (params.diff_mode && params.window_layout == 0)
508     {
509 	if (diffopt_horizontal())
510 	    params.window_layout = WIN_HOR;	/* use horizontal split */
511 	else
512 	    params.window_layout = WIN_VER;	/* use vertical split */
513     }
514 #endif
515 
516     /*
517      * Recovery mode without a file name: List swap files.
518      * This uses the 'dir' option, therefore it must be after the
519      * initializations.
520      */
521     if (recoverymode && params.fname == NULL)
522     {
523 	recover_names(NULL, TRUE, 0, NULL);
524 	mch_exit(0);
525     }
526 
527     /*
528      * Set a few option defaults after reading .vimrc files:
529      * 'title' and 'icon', Unix: 'shellpipe' and 'shellredir'.
530      */
531     set_init_3();
532     TIME_MSG("inits 3");
533 
534     /*
535      * "-n" argument: Disable swap file by setting 'updatecount' to 0.
536      * Note that this overrides anything from a vimrc file.
537      */
538     if (params.no_swap_file)
539 	p_uc = 0;
540 
541 #ifdef FEAT_GUI
542     if (gui.starting)
543     {
544 #if defined(UNIX) || defined(VMS)
545 	/* When something caused a message from a vimrc script, need to output
546 	 * an extra newline before the shell prompt. */
547 	if (did_emsg || msg_didout)
548 	    putchar('\n');
549 #endif
550 
551 	gui_start(NULL);		/* will set full_screen to TRUE */
552 	TIME_MSG("starting GUI");
553 
554 	/* When running "evim" or "gvim -y" we need the menus, exit if we
555 	 * don't have them. */
556 	if (!gui.in_use && params.evim_mode)
557 	    mch_exit(1);
558     }
559 #endif
560 
561 #ifdef FEAT_VIMINFO
562     /*
563      * Read in registers, history etc, but not marks, from the viminfo file.
564      * This is where v:oldfiles gets filled.
565      */
566     if (*p_viminfo != NUL)
567     {
568 	read_viminfo(NULL, VIF_WANT_INFO | VIF_GET_OLDFILES);
569 	TIME_MSG("reading viminfo");
570     }
571 #endif
572 #ifdef FEAT_EVAL
573     /* It's better to make v:oldfiles an empty list than NULL. */
574     if (get_vim_var_list(VV_OLDFILES) == NULL)
575 	set_vim_var_list(VV_OLDFILES, list_alloc());
576 #endif
577 
578 #ifdef FEAT_QUICKFIX
579     /*
580      * "-q errorfile": Load the error file now.
581      * If the error file can't be read, exit before doing anything else.
582      */
583     if (params.edit_type == EDIT_QF)
584     {
585 	char_u	*enc = NULL;
586 
587 	enc = p_menc;
588 	if (params.use_ef != NULL)
589 	    set_string_option_direct((char_u *)"ef", -1,
590 					   params.use_ef, OPT_FREE, SID_CARG);
591 	vim_snprintf((char *)IObuff, IOSIZE, "cfile %s", p_ef);
592 	if (qf_init(NULL, p_ef, p_efm, TRUE, IObuff, enc) < 0)
593 	{
594 	    out_char('\n');
595 	    mch_exit(3);
596 	}
597 	TIME_MSG("reading errorfile");
598     }
599 #endif
600 
601     /*
602      * Start putting things on the screen.
603      * Scroll screen down before drawing over it
604      * Clear screen now, so file message will not be cleared.
605      */
606     starting = NO_BUFFERS;
607     no_wait_return = FALSE;
608     if (!exmode_active)
609 	msg_scroll = FALSE;
610 
611 #ifdef FEAT_GUI
612     /*
613      * This seems to be required to make callbacks to be called now, instead
614      * of after things have been put on the screen, which then may be deleted
615      * when getting a resize callback.
616      * For the Mac this handles putting files dropped on the Vim icon to
617      * global_alist.
618      */
619     if (gui.in_use)
620     {
621 	gui_wait_for_chars(50L, typebuf.tb_change_cnt);
622 	TIME_MSG("GUI delay");
623     }
624 #endif
625 
626 #if defined(FEAT_GUI_PHOTON) && defined(FEAT_CLIPBOARD)
627     qnx_clip_init();
628 #endif
629 
630 #if defined(MACOS_X) && defined(FEAT_CLIPBOARD)
631     clip_init(TRUE);
632 #endif
633 
634 #ifdef FEAT_XCLIPBOARD
635     /* Start using the X clipboard, unless the GUI was started. */
636 # ifdef FEAT_GUI
637     if (!gui.in_use)
638 # endif
639     {
640 	setup_term_clip();
641 	TIME_MSG("setup clipboard");
642     }
643 #endif
644 
645 #ifdef FEAT_CLIENTSERVER
646     /* Prepare for being a Vim server. */
647     prepare_server(&params);
648 #endif
649 
650     /*
651      * If "-" argument given: Read file from stdin.
652      * Do this before starting Raw mode, because it may change things that the
653      * writing end of the pipe doesn't like, e.g., in case stdin and stderr
654      * are the same terminal: "cat | vim -".
655      * Using autocommands here may cause trouble...
656      */
657     if (params.edit_type == EDIT_STDIN && !recoverymode)
658 	read_stdin();
659 
660 #if defined(UNIX) || defined(VMS)
661     /* When switching screens and something caused a message from a vimrc
662      * script, need to output an extra newline on exit. */
663     if ((did_emsg || msg_didout) && *T_TI != NUL)
664 	newline_on_exit = TRUE;
665 #endif
666 
667     /*
668      * When done something that is not allowed or error message call
669      * wait_return.  This must be done before starttermcap(), because it may
670      * switch to another screen. It must be done after settmode(TMODE_RAW),
671      * because we want to react on a single key stroke.
672      * Call settmode and starttermcap here, so the T_KS and T_TI may be
673      * defined by termcapinit and redefined in .exrc.
674      */
675     settmode(TMODE_RAW);
676     TIME_MSG("setting raw mode");
677 
678     if (need_wait_return || msg_didany)
679     {
680 	wait_return(TRUE);
681 	TIME_MSG("waiting for return");
682     }
683 
684     starttermcap();	    /* start termcap if not done by wait_return() */
685     TIME_MSG("start termcap");
686 
687 #ifdef FEAT_MOUSE
688     setmouse();				/* may start using the mouse */
689 #endif
690     if (scroll_region)
691 	scroll_region_reset();		/* In case Rows changed */
692     scroll_start();	/* may scroll the screen to the right position */
693 
694 #if defined(FEAT_TITLE) && (defined(UNIX) || defined(VMS) || defined(MACOS_X))
695     term_push_title(SAVE_RESTORE_BOTH);
696 #endif
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     apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf);
741     TIME_MSG("BufEnter autocommands");
742     setpcmark();
743 
744 #ifdef FEAT_QUICKFIX
745     /*
746      * When started with "-q errorfile" jump to first error now.
747      */
748     if (params.edit_type == EDIT_QF)
749     {
750 	qf_jump(NULL, 0, 0, FALSE);
751 	TIME_MSG("jump to first error");
752     }
753 #endif
754 
755     /*
756      * If opened more than one window, start editing files in the other
757      * windows.
758      */
759     edit_buffers(&params, start_dir);
760     vim_free(start_dir);
761 
762 #ifdef FEAT_DIFF
763     if (params.diff_mode)
764     {
765 	win_T	*wp;
766 
767 	/* set options in each window for "vimdiff". */
768 	FOR_ALL_WINDOWS(wp)
769 	    diff_win_options(wp, TRUE);
770     }
771 #endif
772 
773     /*
774      * Shorten any of the filenames, but only when absolute.
775      */
776     shorten_fnames(FALSE);
777 
778     /*
779      * Need to jump to the tag before executing the '-c command'.
780      * Makes "vim -c '/return' -t main" work.
781      */
782     if (params.tagname != NULL)
783     {
784 	swap_exists_did_quit = FALSE;
785 
786 	vim_snprintf((char *)IObuff, IOSIZE, "ta %s", params.tagname);
787 	do_cmdline_cmd(IObuff);
788 	TIME_MSG("jumping to tag");
789 
790 	/* If the user doesn't want to edit the file then we quit here. */
791 	if (swap_exists_did_quit)
792 	    getout(1);
793     }
794 
795     /* Execute any "+", "-c" and "-S" arguments. */
796     if (params.n_commands > 0)
797 	exe_commands(&params);
798 
799     /* Must come before the may_req_ calls. */
800     starting = 0;
801 
802 #if defined(FEAT_TERMRESPONSE)
803     /* Must be done before redrawing, puts a few characters on the screen. */
804     may_req_ambiguous_char_width();
805 #endif
806 
807     RedrawingDisabled = 0;
808     redraw_all_later(NOT_VALID);
809     no_wait_return = FALSE;
810 
811     /* 'autochdir' has been postponed */
812     DO_AUTOCHDIR;
813 
814 #ifdef FEAT_TERMRESPONSE
815     /* Requesting the termresponse is postponed until here, so that a "-c q"
816      * argument doesn't make it appear in the shell Vim was started from. */
817     may_req_termresponse();
818 
819     may_req_bg_color();
820 #endif
821 
822     /* start in insert mode */
823     if (p_im)
824 	need_start_insertmode = TRUE;
825 
826 #ifdef FEAT_EVAL
827     set_vim_var_nr(VV_VIM_DID_ENTER, 1L);
828 #endif
829     apply_autocmds(EVENT_VIMENTER, NULL, NULL, FALSE, curbuf);
830     TIME_MSG("VimEnter autocommands");
831 
832 #if defined(FEAT_EVAL) && defined(FEAT_CLIPBOARD)
833     /* Adjust default register name for "unnamed" in 'clipboard'. Can only be
834      * done after the clipboard is available and all initial commands that may
835      * modify the 'clipboard' setting have run; i.e. just before entering the
836      * main loop. */
837     {
838 	int default_regname = 0;
839 
840 	adjust_clip_reg(&default_regname);
841 	set_reg_var(default_regname);
842     }
843 #endif
844 
845 #if defined(FEAT_DIFF)
846     /* When a startup script or session file setup for diff'ing and
847      * scrollbind, sync the scrollbind now. */
848     if (curwin->w_p_diff && curwin->w_p_scb)
849     {
850 	update_topline();
851 	check_scrollbind((linenr_T)0, 0L);
852 	TIME_MSG("diff scrollbinding");
853     }
854 #endif
855 
856 #if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))
857 # ifdef VIMDLL
858     if (!gui.in_use)
859 # endif
860 	mch_set_winsize_now();	    /* Allow winsize changes from now on */
861 #endif
862 
863 #if defined(FEAT_GUI)
864     /* When tab pages were created, may need to update the tab pages line and
865      * scrollbars.  This is skipped while creating them. */
866     if (first_tabpage->tp_next != NULL)
867     {
868 	out_flush();
869 	gui_init_which_components(NULL);
870 	gui_update_scrollbars(TRUE);
871     }
872     need_mouse_correct = TRUE;
873 #endif
874 
875     /* If ":startinsert" command used, stuff a dummy command to be able to
876      * call normal_cmd(), which will then start Insert mode. */
877     if (restart_edit != 0)
878 	stuffcharReadbuff(K_NOP);
879 
880 #ifdef FEAT_NETBEANS_INTG
881     if (netbeansArg != NULL && strncmp("-nb", netbeansArg, 3) == 0)
882     {
883 # ifdef FEAT_GUI
884 #  if !defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)  \
885 		&& !defined(FEAT_GUI_MSWIN)
886 	if (gui.in_use)
887 	{
888 	    mch_errmsg(_("netbeans is not supported with this GUI\n"));
889 	    mch_exit(2);
890 	}
891 #  endif
892 # endif
893 	/* Tell the client that it can start sending commands. */
894 	netbeans_open(netbeansArg + 3, TRUE);
895     }
896 #endif
897 
898     TIME_MSG("before starting main loop");
899 
900     /*
901      * Call the main command loop.  This never returns.
902      */
903     main_loop(FALSE, FALSE);
904 
905 #endif /* NO_VIM_MAIN */
906 
907     return 0;
908 }
909 
910 /*
911  * Initialisation shared by main() and some tests.
912  */
913     void
914 common_init(mparm_T *paramp)
915 {
916     cmdline_init();
917 
918     (void)mb_init();	/* init mb_bytelen_tab[] to ones */
919 #ifdef FEAT_EVAL
920     eval_init();	/* init global variables */
921 #endif
922 
923 #ifdef __QNXNTO__
924     qnx_init();		/* PhAttach() for clipboard, (and gui) */
925 #endif
926 
927     /* Init the table of Normal mode commands. */
928     init_normal_cmds();
929 
930     /*
931      * Allocate space for the generic buffers (needed for set_init_1() and
932      * emsg()).
933      */
934     if ((IObuff = alloc(IOSIZE)) == NULL
935 	    || (NameBuff = alloc(MAXPATHL)) == NULL)
936 	mch_exit(0);
937     TIME_MSG("Allocated generic buffers");
938 
939 #ifdef NBDEBUG
940     /* Wait a moment for debugging NetBeans.  Must be after allocating
941      * NameBuff. */
942     nbdebug_log_init("SPRO_GVIM_DEBUG", "SPRO_GVIM_DLEVEL");
943     nbdebug_wait(WT_ENV | WT_WAIT | WT_STOP, "SPRO_GVIM_WAIT", 20);
944     TIME_MSG("NetBeans debug wait");
945 #endif
946 
947 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
948     /*
949      * Setup to use the current locale (for ctype() and many other things).
950      * NOTE: Translated messages with encodings other than latin1 will not
951      * work until set_init_1() has been called!
952      */
953     init_locale();
954     TIME_MSG("locale set");
955 #endif
956 
957 #ifdef FEAT_GUI
958     gui.dofork = TRUE;		    /* default is to use fork() */
959 #endif
960 
961     /*
962      * Do a first scan of the arguments in "argv[]":
963      *   -display or --display
964      *   --server...
965      *   --socketid
966      *   --windowid
967      */
968     early_arg_scan(paramp);
969 
970 #if defined(FEAT_GUI)
971     /* Prepare for possibly starting GUI sometime */
972     gui_prepare(&paramp->argc, paramp->argv);
973     TIME_MSG("GUI prepared");
974 #endif
975 
976 #ifdef FEAT_CLIPBOARD
977     clip_init(FALSE);		/* Initialise clipboard stuff */
978     TIME_MSG("clipboard setup");
979 #endif
980 
981     /*
982      * Check if we have an interactive window.
983      * On the Amiga: If there is no window, we open one with a newcli command
984      * (needed for :! to * work). mch_check_win() will also handle the -d or
985      * -dev argument.
986      */
987     stdout_isatty = (mch_check_win(paramp->argc, paramp->argv) != FAIL);
988     TIME_MSG("window checked");
989 
990     /*
991      * Allocate the first window and buffer.
992      * Can't do anything without it, exit when it fails.
993      */
994     if (win_alloc_first() == FAIL)
995 	mch_exit(0);
996 
997     init_yank();		/* init yank buffers */
998 
999     alist_init(&global_alist);	/* Init the argument list to empty. */
1000     global_alist.id = 0;
1001 
1002     /*
1003      * Set the default values for the options.
1004      * NOTE: Non-latin1 translated messages are working only after this,
1005      * because this is where "has_mbyte" will be set, which is used by
1006      * msg_outtrans_len_attr().
1007      * First find out the home directory, needed to expand "~" in options.
1008      */
1009     init_homedir();		/* find real value of $HOME */
1010     set_init_1(paramp->clean);
1011     TIME_MSG("inits 1");
1012 
1013 #ifdef FEAT_EVAL
1014     set_lang_var();		/* set v:lang and v:ctype */
1015 #endif
1016 
1017 #ifdef FEAT_SIGNS
1018     init_signs();
1019 #endif
1020 }
1021 
1022 /*
1023  * Return TRUE when the --not-a-term argument was found.
1024  */
1025     int
1026 is_not_a_term()
1027 {
1028     return params.not_a_term;
1029 }
1030 
1031 /*
1032  * Main loop: Execute Normal mode commands until exiting Vim.
1033  * Also used to handle commands in the command-line window, until the window
1034  * is closed.
1035  * Also used to handle ":visual" command after ":global": execute Normal mode
1036  * commands, return when entering Ex mode.  "noexmode" is TRUE then.
1037  */
1038     void
1039 main_loop(
1040     int		cmdwin,	    /* TRUE when working in the command-line window */
1041     int		noexmode)   /* TRUE when return on entering Ex mode */
1042 {
1043     oparg_T	oa;	/* operator arguments */
1044     volatile int previous_got_int = FALSE;	/* "got_int" was TRUE */
1045 #ifdef FEAT_CONCEAL
1046     /* these are static to avoid a compiler warning */
1047     static linenr_T	conceal_old_cursor_line = 0;
1048     static linenr_T	conceal_new_cursor_line = 0;
1049     static int		conceal_update_lines = FALSE;
1050 #endif
1051 
1052 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
1053     /* Setup to catch a terminating error from the X server.  Just ignore
1054      * it, restore the state and continue.  This might not always work
1055      * properly, but at least we don't exit unexpectedly when the X server
1056      * exits while Vim is running in a console. */
1057     if (!cmdwin && !noexmode && SETJMP(x_jump_env))
1058     {
1059 	State = NORMAL;
1060 	VIsual_active = FALSE;
1061 	got_int = TRUE;
1062 	need_wait_return = FALSE;
1063 	global_busy = FALSE;
1064 	exmode_active = 0;
1065 	skip_redraw = FALSE;
1066 	RedrawingDisabled = 0;
1067 	no_wait_return = 0;
1068 	vgetc_busy = 0;
1069 # ifdef FEAT_EVAL
1070 	emsg_skip = 0;
1071 # endif
1072 	emsg_off = 0;
1073 # ifdef FEAT_MOUSE
1074 	setmouse();
1075 # endif
1076 	settmode(TMODE_RAW);
1077 	starttermcap();
1078 	scroll_start();
1079 	redraw_later_clear();
1080     }
1081 #endif
1082 
1083     clear_oparg(&oa);
1084     while (!cmdwin
1085 #ifdef FEAT_CMDWIN
1086 	    || cmdwin_result == 0
1087 #endif
1088 	    )
1089     {
1090 	if (stuff_empty())
1091 	{
1092 	    did_check_timestamps = FALSE;
1093 	    if (need_check_timestamps)
1094 		check_timestamps(FALSE);
1095 	    if (need_wait_return)	/* if wait_return still needed ... */
1096 		wait_return(FALSE);	/* ... call it now */
1097 	    if (need_start_insertmode && goto_im() && !VIsual_active)
1098 	    {
1099 		need_start_insertmode = FALSE;
1100 		stuffReadbuff((char_u *)"i");	/* start insert mode next */
1101 		/* skip the fileinfo message now, because it would be shown
1102 		 * after insert mode finishes! */
1103 		need_fileinfo = FALSE;
1104 	    }
1105 	}
1106 
1107 	/* Reset "got_int" now that we got back to the main loop.  Except when
1108 	 * inside a ":g/pat/cmd" command, then the "got_int" needs to abort
1109 	 * the ":g" command.
1110 	 * For ":g/pat/vi" we reset "got_int" when used once.  When used
1111 	 * a second time we go back to Ex mode and abort the ":g" command. */
1112 	if (got_int)
1113 	{
1114 	    if (noexmode && global_busy && !exmode_active && previous_got_int)
1115 	    {
1116 		/* Typed two CTRL-C in a row: go back to ex mode as if "Q" was
1117 		 * used and keep "got_int" set, so that it aborts ":g". */
1118 		exmode_active = EXMODE_NORMAL;
1119 		State = NORMAL;
1120 	    }
1121 	    else if (!global_busy || !exmode_active)
1122 	    {
1123 		if (!quit_more)
1124 		    (void)vgetc();		/* flush all buffers */
1125 		got_int = FALSE;
1126 	    }
1127 	    previous_got_int = TRUE;
1128 	}
1129 	else
1130 	    previous_got_int = FALSE;
1131 
1132 	if (!exmode_active)
1133 	    msg_scroll = FALSE;
1134 	quit_more = FALSE;
1135 
1136 	/*
1137 	 * If skip redraw is set (for ":" in wait_return()), don't redraw now.
1138 	 * If there is nothing in the stuff_buffer or do_redraw is TRUE,
1139 	 * update cursor and redraw.
1140 	 */
1141 	if (skip_redraw || exmode_active)
1142 	    skip_redraw = FALSE;
1143 	else if (do_redraw || stuff_empty())
1144 	{
1145 #ifdef FEAT_GUI
1146 	    // If ui_breakcheck() was used a resize may have been postponed.
1147 	    gui_may_resize_shell();
1148 #endif
1149 #ifdef HAVE_DROP_FILE
1150 	    // If files were dropped while text was locked or the curbuf was
1151 	    // locked, this would be a good time to handle the drop.
1152 	    handle_any_postponed_drop();
1153 #endif
1154 #ifdef FEAT_CONCEAL
1155 	    if (curwin->w_p_cole == 0)
1156 		conceal_update_lines = FALSE;
1157 #endif
1158 
1159 	    /* Trigger CursorMoved if the cursor moved. */
1160 	    if (!finish_op && (
1161 			has_cursormoved()
1162 #ifdef FEAT_TEXT_PROP
1163 			|| popup_visible
1164 #endif
1165 #ifdef FEAT_CONCEAL
1166 			|| curwin->w_p_cole > 0
1167 #endif
1168 			)
1169 		 && !EQUAL_POS(last_cursormoved, curwin->w_cursor))
1170 	    {
1171 		if (has_cursormoved())
1172 		    apply_autocmds(EVENT_CURSORMOVED, NULL, NULL,
1173 							       FALSE, curbuf);
1174 #ifdef FEAT_TEXT_PROP
1175 		if (popup_visible)
1176 		    popup_check_cursor_pos();
1177 #endif
1178 #ifdef FEAT_CONCEAL
1179 		if (curwin->w_p_cole > 0)
1180 		{
1181 		    conceal_old_cursor_line = last_cursormoved.lnum;
1182 		    conceal_new_cursor_line = curwin->w_cursor.lnum;
1183 		    conceal_update_lines = TRUE;
1184 		}
1185 #endif
1186 		last_cursormoved = curwin->w_cursor;
1187 	    }
1188 
1189 #if defined(FEAT_CONCEAL)
1190 	    if (conceal_update_lines
1191 		    && (conceal_old_cursor_line != conceal_new_cursor_line
1192 			|| conceal_cursor_line(curwin)
1193 			|| need_cursor_line_redraw))
1194 	    {
1195 		if (conceal_old_cursor_line != conceal_new_cursor_line
1196 			&& conceal_old_cursor_line != 0
1197 			&& conceal_old_cursor_line
1198 						<= curbuf->b_ml.ml_line_count)
1199 		    redrawWinline(curwin, conceal_old_cursor_line);
1200 		redrawWinline(curwin, conceal_new_cursor_line);
1201 		curwin->w_valid &= ~VALID_CROW;
1202 		need_cursor_line_redraw = FALSE;
1203 	    }
1204 #endif
1205 
1206 	    /* Trigger TextChanged if b:changedtick differs. */
1207 	    if (!finish_op && has_textchanged()
1208 		    && curbuf->b_last_changedtick != CHANGEDTICK(curbuf))
1209 	    {
1210 		apply_autocmds(EVENT_TEXTCHANGED, NULL, NULL, FALSE, curbuf);
1211 		curbuf->b_last_changedtick = CHANGEDTICK(curbuf);
1212 	    }
1213 
1214 #if defined(FEAT_DIFF)
1215 	    // Updating diffs from changed() does not always work properly,
1216 	    // esp. updating folds.  Do an update just before redrawing if
1217 	    // needed.
1218 	    if (curtab->tp_diff_update || curtab->tp_diff_invalid)
1219 	    {
1220 		ex_diffupdate(NULL);
1221 		curtab->tp_diff_update = FALSE;
1222 	    }
1223 
1224 	    /* Scroll-binding for diff mode may have been postponed until
1225 	     * here.  Avoids doing it for every change. */
1226 	    if (diff_need_scrollbind)
1227 	    {
1228 		check_scrollbind((linenr_T)0, 0L);
1229 		diff_need_scrollbind = FALSE;
1230 	    }
1231 #endif
1232 #if defined(FEAT_FOLDING)
1233 	    /* Include a closed fold completely in the Visual area. */
1234 	    foldAdjustVisual();
1235 #endif
1236 #ifdef FEAT_FOLDING
1237 	    /*
1238 	     * When 'foldclose' is set, apply 'foldlevel' to folds that don't
1239 	     * contain the cursor.
1240 	     * When 'foldopen' is "all", open the fold(s) under the cursor.
1241 	     * This may mark the window for redrawing.
1242 	     */
1243 	    if (hasAnyFolding(curwin) && !char_avail())
1244 	    {
1245 		foldCheckClose();
1246 		if (fdo_flags & FDO_ALL)
1247 		    foldOpenCursor();
1248 	    }
1249 #endif
1250 
1251 	    /*
1252 	     * Before redrawing, make sure w_topline is correct, and w_leftcol
1253 	     * if lines don't wrap, and w_skipcol if lines wrap.
1254 	     */
1255 	    update_topline();
1256 	    validate_cursor();
1257 
1258 	    if (VIsual_active)
1259 		update_curbuf(INVERTED);/* update inverted part */
1260 	    else if (must_redraw)
1261 	    {
1262 		mch_disable_flush();	/* Stop issuing gui_mch_flush(). */
1263 		update_screen(0);
1264 		mch_enable_flush();
1265 	    }
1266 	    else if (redraw_cmdline || clear_cmdline)
1267 		showmode();
1268 	    redraw_statuslines();
1269 #ifdef FEAT_TITLE
1270 	    if (need_maketitle)
1271 		maketitle();
1272 #endif
1273 #ifdef FEAT_VIMINFO
1274 	    curbuf->b_last_used = vim_time();
1275 #endif
1276 	    /* display message after redraw */
1277 	    if (keep_msg != NULL)
1278 	    {
1279 		char_u *p;
1280 
1281 		// msg_attr_keep() will set keep_msg to NULL, must free the
1282 		// string here. Don't reset keep_msg, msg_attr_keep() uses it
1283 		// to check for duplicates.  Never put this message in history.
1284 		p = keep_msg;
1285 		msg_hist_off = TRUE;
1286 		msg_attr((char *)p, keep_msg_attr);
1287 		msg_hist_off = FALSE;
1288 		vim_free(p);
1289 	    }
1290 	    if (need_fileinfo)		/* show file info after redraw */
1291 	    {
1292 		fileinfo(FALSE, TRUE, FALSE);
1293 		need_fileinfo = FALSE;
1294 	    }
1295 
1296 	    emsg_on_display = FALSE;	/* can delete error message now */
1297 	    did_emsg = FALSE;
1298 	    msg_didany = FALSE;		/* reset lines_left in msg_start() */
1299 	    may_clear_sb_text();	/* clear scroll-back text on next msg */
1300 	    showruler(FALSE);
1301 
1302 	    setcursor();
1303 	    cursor_on();
1304 
1305 	    do_redraw = FALSE;
1306 
1307 #ifdef STARTUPTIME
1308 	    /* Now that we have drawn the first screen all the startup stuff
1309 	     * has been done, close any file for startup messages. */
1310 	    if (time_fd != NULL)
1311 	    {
1312 		TIME_MSG("first screen update");
1313 		TIME_MSG("--- VIM STARTED ---");
1314 		fclose(time_fd);
1315 		time_fd = NULL;
1316 	    }
1317 #endif
1318 	}
1319 #ifdef FEAT_GUI
1320 	if (need_mouse_correct)
1321 	    gui_mouse_correct();
1322 #endif
1323 
1324 	/*
1325 	 * Update w_curswant if w_set_curswant has been set.
1326 	 * Postponed until here to avoid computing w_virtcol too often.
1327 	 */
1328 	update_curswant();
1329 
1330 #ifdef FEAT_EVAL
1331 	/*
1332 	 * May perform garbage collection when waiting for a character, but
1333 	 * only at the very toplevel.  Otherwise we may be using a List or
1334 	 * Dict internally somewhere.
1335 	 * "may_garbage_collect" is reset in vgetc() which is invoked through
1336 	 * do_exmode() and normal_cmd().
1337 	 */
1338 	may_garbage_collect = (!cmdwin && !noexmode);
1339 #endif
1340 	/*
1341 	 * If we're invoked as ex, do a round of ex commands.
1342 	 * Otherwise, get and execute a normal mode command.
1343 	 */
1344 	if (exmode_active)
1345 	{
1346 	    if (noexmode)   /* End of ":global/path/visual" commands */
1347 		return;
1348 	    do_exmode(exmode_active == EXMODE_VIM);
1349 	}
1350 	else
1351 	{
1352 #ifdef FEAT_TERMINAL
1353 	    if (term_use_loop()
1354 		    && oa.op_type == OP_NOP && oa.regname == NUL
1355 		    && !VIsual_active
1356 		    && !skip_term_loop)
1357 	    {
1358 		/* If terminal_loop() returns OK we got a key that is handled
1359 		 * in Normal model.  With FAIL we first need to position the
1360 		 * cursor and the screen needs to be redrawn. */
1361 		if (terminal_loop(TRUE) == OK)
1362 		    normal_cmd(&oa, TRUE);
1363 	    }
1364 	    else
1365 #endif
1366 	    {
1367 #ifdef FEAT_TERMINAL
1368 		skip_term_loop = FALSE;
1369 #endif
1370 		normal_cmd(&oa, TRUE);
1371 	    }
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     exiting = TRUE;
1406 #if defined(FEAT_JOB_CHANNEL)
1407     ch_log(NULL, "Exiting...");
1408 #endif
1409 
1410     /* When running in Ex mode an error causes us to exit with a non-zero exit
1411      * code.  POSIX requires this, although it's not 100% clear from the
1412      * standard. */
1413     if (exmode_active)
1414 	exitval += ex_exitval;
1415 
1416     /* Position the cursor on the last screen line, below all the text */
1417 #ifdef FEAT_GUI
1418     if (!gui.in_use)
1419 #endif
1420 	windgoto((int)Rows - 1, 0);
1421 
1422 #if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
1423     /* Optionally print hashtable efficiency. */
1424     hash_debug_results();
1425 #endif
1426 
1427 #ifdef FEAT_GUI
1428     msg_didany = FALSE;
1429 #endif
1430 
1431     if (v_dying <= 1)
1432     {
1433 	tabpage_T	*tp;
1434 	tabpage_T	*next_tp;
1435 	buf_T		*buf;
1436 	win_T		*wp;
1437 
1438 	/* Trigger BufWinLeave for all windows, but only once per buffer. */
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 		    bufref_T bufref;
1451 
1452 		    set_bufref(&bufref, buf);
1453 		    apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname,
1454 						    buf->b_fname, FALSE, buf);
1455 		    if (bufref_valid(&bufref))
1456 			CHANGEDTICK(buf) = -1;  /* note we did it already */
1457 
1458 		    /* start all over, autocommands may mess up the lists */
1459 		    next_tp = first_tabpage;
1460 		    break;
1461 		}
1462 	    }
1463 	}
1464 
1465 	/* Trigger BufUnload for buffers that are loaded */
1466 	FOR_ALL_BUFFERS(buf)
1467 	    if (buf->b_ml.ml_mfp != NULL)
1468 	    {
1469 		bufref_T bufref;
1470 
1471 		set_bufref(&bufref, buf);
1472 		apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname,
1473 								  FALSE, buf);
1474 		if (!bufref_valid(&bufref))
1475 		    /* autocmd deleted the buffer */
1476 		    break;
1477 	    }
1478 	apply_autocmds(EVENT_VIMLEAVEPRE, NULL, NULL, FALSE, curbuf);
1479     }
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     if (v_dying <= 1)
1488 	apply_autocmds(EVENT_VIMLEAVE, NULL, NULL, FALSE, curbuf);
1489 
1490 #ifdef FEAT_PROFILE
1491     profile_dump();
1492 #endif
1493 
1494     if (did_emsg
1495 #ifdef FEAT_GUI
1496 	    || (gui.in_use && msg_didany && p_verbose > 0)
1497 #endif
1498 	    )
1499     {
1500 	/* give the user a chance to read the (error) message */
1501 	no_wait_return = FALSE;
1502 	wait_return(FALSE);
1503     }
1504 
1505     /* Position the cursor again, the autocommands may have moved it */
1506 #ifdef FEAT_GUI
1507     if (!gui.in_use)
1508 #endif
1509 	windgoto((int)Rows - 1, 0);
1510 
1511 #ifdef FEAT_JOB_CHANNEL
1512     job_stop_on_exit();
1513 #endif
1514 #ifdef FEAT_LUA
1515     lua_end();
1516 #endif
1517 #ifdef FEAT_MZSCHEME
1518     mzscheme_end();
1519 #endif
1520 #ifdef FEAT_TCL
1521     tcl_end();
1522 #endif
1523 #ifdef FEAT_RUBY
1524     ruby_end();
1525 #endif
1526 #ifdef FEAT_PYTHON
1527     python_end();
1528 #endif
1529 #ifdef FEAT_PYTHON3
1530     python3_end();
1531 #endif
1532 #ifdef FEAT_PERL
1533     perl_end();
1534 #endif
1535 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
1536     iconv_end();
1537 #endif
1538 #ifdef FEAT_NETBEANS_INTG
1539     netbeans_end();
1540 #endif
1541 #ifdef FEAT_CSCOPE
1542     cs_end();
1543 #endif
1544 #ifdef FEAT_EVAL
1545     if (garbage_collect_at_exit)
1546 	garbage_collect(FALSE);
1547 #endif
1548 #ifdef MSWIN
1549     free_cmd_argsW();
1550 #endif
1551 
1552     mch_exit(exitval);
1553 }
1554 
1555 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
1556 /*
1557  * Setup to use the current locale (for ctype() and many other things).
1558  */
1559     static void
1560 init_locale(void)
1561 {
1562     setlocale(LC_ALL, "");
1563 
1564 # ifdef FEAT_GUI_GTK
1565     /* Tell Gtk not to change our locale settings. */
1566     gtk_disable_setlocale();
1567 # endif
1568 # if defined(FEAT_FLOAT) && defined(LC_NUMERIC)
1569     /* Make sure strtod() uses a decimal point, not a comma. */
1570     setlocale(LC_NUMERIC, "C");
1571 # endif
1572 
1573 # ifdef MSWIN
1574     /* Apparently MS-Windows printf() may cause a crash when we give it 8-bit
1575      * text while it's expecting text in the current locale.  This call avoids
1576      * that. */
1577     setlocale(LC_CTYPE, "C");
1578 # endif
1579 
1580 # ifdef FEAT_GETTEXT
1581     {
1582 	int	mustfree = FALSE;
1583 	char_u	*p;
1584 
1585 #  ifdef DYNAMIC_GETTEXT
1586 	/* Initialize the gettext library */
1587 	dyn_libintl_init();
1588 #  endif
1589 	/* expand_env() doesn't work yet, because g_chartab[] is not
1590 	 * initialized yet, call vim_getenv() directly */
1591 	p = vim_getenv((char_u *)"VIMRUNTIME", &mustfree);
1592 	if (p != NULL && *p != NUL)
1593 	{
1594 	    vim_snprintf((char *)NameBuff, MAXPATHL, "%s/lang", p);
1595 	    bindtextdomain(VIMPACKAGE, (char *)NameBuff);
1596 	}
1597 	if (mustfree)
1598 	    vim_free(p);
1599 	textdomain(VIMPACKAGE);
1600     }
1601 # endif
1602 }
1603 #endif
1604 
1605 /*
1606  * Get the name of the display, before gui_prepare() removes it from
1607  * argv[].  Used for the xterm-clipboard display.
1608  *
1609  * Also find the --server... arguments and --socketid and --windowid
1610  */
1611     static void
1612 early_arg_scan(mparm_T *parmp UNUSED)
1613 {
1614 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_CLIENTSERVER) \
1615 	|| !defined(FEAT_NETBEANS_INTG)
1616     int		argc = parmp->argc;
1617     char	**argv = parmp->argv;
1618     int		i;
1619 
1620     for (i = 1; i < argc; i++)
1621     {
1622 	if (STRCMP(argv[i], "--") == 0)
1623 	    break;
1624 # ifdef FEAT_XCLIPBOARD
1625 	else if (STRICMP(argv[i], "-display") == 0
1626 #  if defined(FEAT_GUI_GTK)
1627 		|| STRICMP(argv[i], "--display") == 0
1628 #  endif
1629 		)
1630 	{
1631 	    if (i == argc - 1)
1632 		mainerr_arg_missing((char_u *)argv[i]);
1633 	    xterm_display = argv[++i];
1634 	}
1635 # endif
1636 # ifdef FEAT_CLIENTSERVER
1637 	else if (STRICMP(argv[i], "--servername") == 0)
1638 	{
1639 	    if (i == argc - 1)
1640 		mainerr_arg_missing((char_u *)argv[i]);
1641 	    parmp->serverName_arg = (char_u *)argv[++i];
1642 	}
1643 	else if (STRICMP(argv[i], "--serverlist") == 0)
1644 	    parmp->serverArg = TRUE;
1645 	else if (STRNICMP(argv[i], "--remote", 8) == 0)
1646 	{
1647 	    parmp->serverArg = TRUE;
1648 #  ifdef FEAT_GUI
1649 	    if (strstr(argv[i], "-wait") != 0)
1650 		/* don't fork() when starting the GUI to edit files ourself */
1651 		gui.dofork = FALSE;
1652 #  endif
1653 	}
1654 # endif
1655 
1656 # if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN)
1657 #  ifdef FEAT_GUI_MSWIN
1658 	else if (STRICMP(argv[i], "--windowid") == 0)
1659 #  else
1660 	else if (STRICMP(argv[i], "--socketid") == 0)
1661 #  endif
1662 	{
1663 	    long_u	id;
1664 	    int		count;
1665 
1666 	    if (i == argc - 1)
1667 		mainerr_arg_missing((char_u *)argv[i]);
1668 	    if (STRNICMP(argv[i+1], "0x", 2) == 0)
1669 		count = sscanf(&(argv[i + 1][2]), SCANF_HEX_LONG_U, &id);
1670 	    else
1671 		count = sscanf(argv[i + 1], SCANF_DECIMAL_LONG_U, &id);
1672 	    if (count != 1)
1673 		mainerr(ME_INVALID_ARG, (char_u *)argv[i]);
1674 	    else
1675 #  ifdef FEAT_GUI_MSWIN
1676 		win_socket_id = id;
1677 #  else
1678 		gtk_socket_id = id;
1679 #  endif
1680 	    i++;
1681 	}
1682 # endif
1683 # ifdef FEAT_GUI_GTK
1684 	else if (STRICMP(argv[i], "--echo-wid") == 0)
1685 	    echo_wid_arg = TRUE;
1686 # endif
1687 # ifndef FEAT_NETBEANS_INTG
1688 	else if (strncmp(argv[i], "-nb", (size_t)3) == 0)
1689 	{
1690 	    mch_errmsg(_("'-nb' cannot be used: not enabled at compile time\n"));
1691 	    mch_exit(2);
1692 	}
1693 # endif
1694 
1695     }
1696 #endif
1697 }
1698 
1699 #ifndef NO_VIM_MAIN
1700 /*
1701  * Get a (optional) count for a Vim argument.
1702  */
1703     static int
1704 get_number_arg(
1705     char_u	*p,	    /* pointer to argument */
1706     int		*idx,	    /* index in argument, is incremented */
1707     int		def)	    /* default value */
1708 {
1709     if (vim_isdigit(p[*idx]))
1710     {
1711 	def = atoi((char *)&(p[*idx]));
1712 	while (vim_isdigit(p[*idx]))
1713 	    *idx = *idx + 1;
1714     }
1715     return def;
1716 }
1717 
1718 /*
1719  * Check for: [r][e][g][vi|vim|view][diff][ex[im]]  (sort of)
1720  * If the executable name starts with "r" we disable shell commands.
1721  * If the next character is "e" we run in Easy mode.
1722  * If the next character is "g" we run the GUI version.
1723  * If the next characters are "view" we start in readonly mode.
1724  * If the next characters are "diff" or "vimdiff" we start in diff mode.
1725  * If the next characters are "ex" we start in Ex mode.  If it's followed
1726  * by "im" use improved Ex mode.
1727  */
1728     static void
1729 parse_command_name(mparm_T *parmp)
1730 {
1731     char_u	*initstr;
1732 
1733     initstr = gettail((char_u *)parmp->argv[0]);
1734 
1735 #ifdef FEAT_GUI_MAC
1736     /* An issue has been seen when launching Vim in such a way that
1737      * $PWD/$ARGV[0] or $ARGV[0] is not the absolute path to the
1738      * executable or a symbolic link of it. Until this issue is resolved
1739      * we prohibit the GUI from being used.
1740      */
1741     if (STRCMP(initstr, parmp->argv[0]) == 0)
1742 	disallow_gui = TRUE;
1743 
1744     /* TODO: On MacOS X default to gui if argv[0] ends in:
1745      *       /Vim.app/Contents/MacOS/Vim */
1746 #endif
1747 
1748 #ifdef FEAT_EVAL
1749     set_vim_var_string(VV_PROGNAME, initstr, -1);
1750     set_progpath((char_u *)parmp->argv[0]);
1751 #endif
1752 
1753     if (TOLOWER_ASC(initstr[0]) == 'r')
1754     {
1755 	restricted = TRUE;
1756 	++initstr;
1757     }
1758 
1759     /* Use evim mode for "evim" and "egvim", not for "editor". */
1760     if (TOLOWER_ASC(initstr[0]) == 'e'
1761 	    && (TOLOWER_ASC(initstr[1]) == 'v'
1762 		|| TOLOWER_ASC(initstr[1]) == 'g'))
1763     {
1764 #ifdef FEAT_GUI
1765 	gui.starting = TRUE;
1766 #endif
1767 	parmp->evim_mode = TRUE;
1768 	++initstr;
1769     }
1770 
1771     /* "gvim" starts the GUI.  Also accept "Gvim" for MS-Windows. */
1772     if (TOLOWER_ASC(initstr[0]) == 'g')
1773     {
1774 	main_start_gui();
1775 #ifdef FEAT_GUI
1776 	++initstr;
1777 #endif
1778 #ifdef GUI_MAY_SPAWN
1779 	gui.dospawn = FALSE;	// No need to spawn a new process.
1780 #endif
1781     }
1782 #ifdef GUI_MAY_SPAWN
1783     else
1784 	gui.dospawn = TRUE;	// Not "gvim". Need to spawn gvim.exe.
1785 #endif
1786 
1787 
1788     if (STRNICMP(initstr, "view", 4) == 0)
1789     {
1790 	readonlymode = TRUE;
1791 	curbuf->b_p_ro = TRUE;
1792 	p_uc = 10000;			/* don't update very often */
1793 	initstr += 4;
1794     }
1795     else if (STRNICMP(initstr, "vim", 3) == 0)
1796 	initstr += 3;
1797 
1798     // Catch "[r][g]vimdiff" and "[r][g]viewdiff".
1799     if (STRICMP(initstr, "diff") == 0)
1800     {
1801 #ifdef FEAT_DIFF
1802 	parmp->diff_mode = TRUE;
1803 #else
1804 	mch_errmsg(_("This Vim was not compiled with the diff feature."));
1805 	mch_errmsg("\n");
1806 	mch_exit(2);
1807 #endif
1808     }
1809 
1810     // Checking for "ex" here may catch some weir names, such as "vimex" or
1811     // "viewex", we assume the user knows that.
1812     if (STRNICMP(initstr, "ex", 2) == 0)
1813     {
1814 	if (STRNICMP(initstr + 2, "im", 2) == 0)
1815 	    exmode_active = EXMODE_VIM;
1816 	else
1817 	    exmode_active = EXMODE_NORMAL;
1818 	change_compatible(TRUE);	// set 'compatible'
1819     }
1820 }
1821 
1822 /*
1823  * Scan the command line arguments.
1824  */
1825     static void
1826 command_line_scan(mparm_T *parmp)
1827 {
1828     int		argc = parmp->argc;
1829     char	**argv = parmp->argv;
1830     int		argv_idx;		/* index in argv[n][] */
1831     int		had_minmin = FALSE;	/* found "--" argument */
1832     int		want_argument;		/* option argument with argument */
1833     int		c;
1834     char_u	*p = NULL;
1835     long	n;
1836 
1837     --argc;
1838     ++argv;
1839     argv_idx = 1;	    /* active option letter is argv[0][argv_idx] */
1840     while (argc > 0)
1841     {
1842 	/*
1843 	 * "+" or "+{number}" or "+/{pat}" or "+{command}" argument.
1844 	 */
1845 	if (argv[0][0] == '+' && !had_minmin)
1846 	{
1847 	    if (parmp->n_commands >= MAX_ARG_CMDS)
1848 		mainerr(ME_EXTRA_CMD, NULL);
1849 	    argv_idx = -1;	    /* skip to next argument */
1850 	    if (argv[0][1] == NUL)
1851 		parmp->commands[parmp->n_commands++] = (char_u *)"$";
1852 	    else
1853 		parmp->commands[parmp->n_commands++] = (char_u *)&(argv[0][1]);
1854 	}
1855 
1856 	/*
1857 	 * Optional argument.
1858 	 */
1859 	else if (argv[0][0] == '-' && !had_minmin)
1860 	{
1861 	    want_argument = FALSE;
1862 	    c = argv[0][argv_idx++];
1863 #ifdef VMS
1864 	    /*
1865 	     * VMS only uses upper case command lines.  Interpret "-X" as "-x"
1866 	     * and "-/X" as "-X".
1867 	     */
1868 	    if (c == '/')
1869 	    {
1870 		c = argv[0][argv_idx++];
1871 		c = TOUPPER_ASC(c);
1872 	    }
1873 	    else
1874 		c = TOLOWER_ASC(c);
1875 #endif
1876 	    switch (c)
1877 	    {
1878 	    case NUL:		/* "vim -"  read from stdin */
1879 				/* "ex -" silent mode */
1880 		if (exmode_active)
1881 		    silent_mode = TRUE;
1882 		else
1883 		{
1884 		    if (parmp->edit_type != EDIT_NONE)
1885 			mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
1886 		    parmp->edit_type = EDIT_STDIN;
1887 		    read_cmd_fd = 2;	/* read from stderr instead of stdin */
1888 		}
1889 		argv_idx = -1;		/* skip to next argument */
1890 		break;
1891 
1892 	    case '-':		/* "--" don't take any more option arguments */
1893 				/* "--help" give help message */
1894 				/* "--version" give version message */
1895 				/* "--clean" clean context */
1896 				/* "--literal" take files literally */
1897 				/* "--nofork" don't fork */
1898 				/* "--not-a-term" don't warn for not a term */
1899 				/* "--ttyfail" exit if not a term */
1900 				/* "--noplugin[s]" skip plugins */
1901 				/* "--cmd <cmd>" execute cmd before vimrc */
1902 		if (STRICMP(argv[0] + argv_idx, "help") == 0)
1903 		    usage();
1904 		else if (STRICMP(argv[0] + argv_idx, "version") == 0)
1905 		{
1906 		    Columns = 80;	/* need to init Columns */
1907 		    info_message = TRUE; /* use mch_msg(), not mch_errmsg() */
1908 		    list_version();
1909 		    msg_putchar('\n');
1910 		    msg_didout = FALSE;
1911 		    mch_exit(0);
1912 		}
1913 		else if (STRNICMP(argv[0] + argv_idx, "clean", 5) == 0)
1914 		{
1915 		    parmp->use_vimrc = (char_u *)"DEFAULTS";
1916 #ifdef FEAT_GUI
1917 		    use_gvimrc = (char_u *)"NONE";
1918 #endif
1919 		    parmp->clean = TRUE;
1920 		    set_option_value((char_u *)"vif", 0L, (char_u *)"NONE", 0);
1921 		}
1922 		else if (STRNICMP(argv[0] + argv_idx, "literal", 7) == 0)
1923 		{
1924 #ifdef EXPAND_FILENAMES
1925 		    parmp->literal = TRUE;
1926 #endif
1927 		}
1928 		else if (STRNICMP(argv[0] + argv_idx, "nofork", 6) == 0)
1929 		{
1930 #ifdef FEAT_GUI
1931 		    gui.dofork = FALSE;	/* don't fork() when starting GUI */
1932 #endif
1933 		}
1934 		else if (STRNICMP(argv[0] + argv_idx, "noplugin", 8) == 0)
1935 		    p_lpl = FALSE;
1936 		else if (STRNICMP(argv[0] + argv_idx, "not-a-term", 10) == 0)
1937 		    parmp->not_a_term = TRUE;
1938 		else if (STRNICMP(argv[0] + argv_idx, "ttyfail", 7) == 0)
1939 		    parmp->tty_fail = TRUE;
1940 		else if (STRNICMP(argv[0] + argv_idx, "cmd", 3) == 0)
1941 		{
1942 		    want_argument = TRUE;
1943 		    argv_idx += 3;
1944 		}
1945 		else if (STRNICMP(argv[0] + argv_idx, "startuptime", 11) == 0)
1946 		{
1947 		    want_argument = TRUE;
1948 		    argv_idx += 11;
1949 		}
1950 #ifdef FEAT_CLIENTSERVER
1951 		else if (STRNICMP(argv[0] + argv_idx, "serverlist", 10) == 0)
1952 		    ; /* already processed -- no arg */
1953 		else if (STRNICMP(argv[0] + argv_idx, "servername", 10) == 0
1954 		       || STRNICMP(argv[0] + argv_idx, "serversend", 10) == 0)
1955 		{
1956 		    /* already processed -- snatch the following arg */
1957 		    if (argc > 1)
1958 		    {
1959 			--argc;
1960 			++argv;
1961 		    }
1962 		}
1963 #endif
1964 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN)
1965 # ifdef FEAT_GUI_GTK
1966 		else if (STRNICMP(argv[0] + argv_idx, "socketid", 8) == 0)
1967 # else
1968 		else if (STRNICMP(argv[0] + argv_idx, "windowid", 8) == 0)
1969 # endif
1970 		{
1971 		    /* already processed -- snatch the following arg */
1972 		    if (argc > 1)
1973 		    {
1974 			--argc;
1975 			++argv;
1976 		    }
1977 		}
1978 #endif
1979 #ifdef FEAT_GUI_GTK
1980 		else if (STRNICMP(argv[0] + argv_idx, "echo-wid", 8) == 0)
1981 		{
1982 		    /* already processed, skip */
1983 		}
1984 #endif
1985 		else
1986 		{
1987 		    if (argv[0][argv_idx])
1988 			mainerr(ME_UNKNOWN_OPTION, (char_u *)argv[0]);
1989 		    had_minmin = TRUE;
1990 		}
1991 		if (!want_argument)
1992 		    argv_idx = -1;	/* skip to next argument */
1993 		break;
1994 
1995 	    case 'A':		/* "-A" start in Arabic mode */
1996 #ifdef FEAT_ARABIC
1997 		set_option_value((char_u *)"arabic", 1L, NULL, 0);
1998 #else
1999 		mch_errmsg(_(e_noarabic));
2000 		mch_exit(2);
2001 #endif
2002 		break;
2003 
2004 	    case 'b':		/* "-b" binary mode */
2005 		/* Needs to be effective before expanding file names, because
2006 		 * for Win32 this makes us edit a shortcut file itself,
2007 		 * instead of the file it links to. */
2008 		set_options_bin(curbuf->b_p_bin, 1, 0);
2009 		curbuf->b_p_bin = 1;	    /* binary file I/O */
2010 		break;
2011 
2012 	    case 'C':		/* "-C"  Compatible */
2013 		change_compatible(TRUE);
2014 		has_dash_c_arg = TRUE;
2015 		break;
2016 
2017 	    case 'e':		/* "-e" Ex mode */
2018 		exmode_active = EXMODE_NORMAL;
2019 		break;
2020 
2021 	    case 'E':		/* "-E" Improved Ex mode */
2022 		exmode_active = EXMODE_VIM;
2023 		break;
2024 
2025 	    case 'f':		/* "-f"  GUI: run in foreground.  Amiga: open
2026 				window directly, not with newcli */
2027 #ifdef FEAT_GUI
2028 		gui.dofork = FALSE;	/* don't fork() when starting GUI */
2029 #endif
2030 		break;
2031 
2032 	    case 'g':		/* "-g" start GUI */
2033 		main_start_gui();
2034 		break;
2035 
2036 	    case 'F':		/* "-F" was for Farsi mode */
2037 		mch_errmsg(_(e_nofarsi));
2038 		mch_exit(2);
2039 		break;
2040 
2041 	    case '?':		/* "-?" give help message (for MS-Windows) */
2042 	    case 'h':		/* "-h" give help message */
2043 #ifdef FEAT_GUI_GNOME
2044 		/* Tell usage() to exit for "gvim". */
2045 		gui.starting = FALSE;
2046 #endif
2047 		usage();
2048 		break;
2049 
2050 	    case 'H':		/* "-H" start in Hebrew mode: rl + hkmap set */
2051 #ifdef FEAT_RIGHTLEFT
2052 		p_hkmap = TRUE;
2053 		set_option_value((char_u *)"rl", 1L, NULL, 0);
2054 #else
2055 		mch_errmsg(_(e_nohebrew));
2056 		mch_exit(2);
2057 #endif
2058 		break;
2059 
2060 	    case 'l':		/* "-l" lisp mode, 'lisp' and 'showmatch' on */
2061 #ifdef FEAT_LISP
2062 		set_option_value((char_u *)"lisp", 1L, NULL, 0);
2063 		p_sm = TRUE;
2064 #endif
2065 		break;
2066 
2067 	    case 'M':		/* "-M"  no changes or writing of files */
2068 		reset_modifiable();
2069 		/* FALLTHROUGH */
2070 
2071 	    case 'm':		/* "-m"  no writing of files */
2072 		p_write = FALSE;
2073 		break;
2074 
2075 	    case 'y':		/* "-y"  easy mode */
2076 #ifdef FEAT_GUI
2077 		gui.starting = TRUE;	/* start GUI a bit later */
2078 #endif
2079 		parmp->evim_mode = TRUE;
2080 		break;
2081 
2082 	    case 'N':		/* "-N"  Nocompatible */
2083 		change_compatible(FALSE);
2084 		break;
2085 
2086 	    case 'n':		/* "-n" no swap file */
2087 #ifdef FEAT_NETBEANS_INTG
2088 		/* checking for "-nb", netbeans parameters */
2089 		if (argv[0][argv_idx] == 'b')
2090 		{
2091 		    netbeansArg = argv[0];
2092 		    argv_idx = -1;	    /* skip to next argument */
2093 		}
2094 		else
2095 #endif
2096 		parmp->no_swap_file = TRUE;
2097 		break;
2098 
2099 	    case 'p':		/* "-p[N]" open N tab pages */
2100 #ifdef TARGET_API_MAC_OSX
2101 		/* For some reason on MacOS X, an argument like:
2102 		   -psn_0_10223617 is passed in when invoke from Finder
2103 		   or with the 'open' command */
2104 		if (argv[0][argv_idx] == 's')
2105 		{
2106 		    argv_idx = -1; /* bypass full -psn */
2107 		    main_start_gui();
2108 		    break;
2109 		}
2110 #endif
2111 		/* default is 0: open window for each file */
2112 		parmp->window_count = get_number_arg((char_u *)argv[0],
2113 								&argv_idx, 0);
2114 		parmp->window_layout = WIN_TABS;
2115 		break;
2116 
2117 	    case 'o':		/* "-o[N]" open N horizontal split windows */
2118 		/* default is 0: open window for each file */
2119 		parmp->window_count = get_number_arg((char_u *)argv[0],
2120 								&argv_idx, 0);
2121 		parmp->window_layout = WIN_HOR;
2122 		break;
2123 
2124 		case 'O':	/* "-O[N]" open N vertical split windows */
2125 		/* default is 0: open window for each file */
2126 		parmp->window_count = get_number_arg((char_u *)argv[0],
2127 								&argv_idx, 0);
2128 		parmp->window_layout = WIN_VER;
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 #if defined(FEAT_GUI) && !defined(VIMDLL)
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_MSWIN
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(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_MSWIN
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(MSWIN)
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[MAXPATHL];
2477 
2478 # if CYGWIN_VERSION_DLL_MAJOR >= 1007
2479 		cygwin_conv_path(CCP_WIN_A_TO_POSIX, p, posix_path, MAXPATHL);
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 #ifdef MSWIN
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(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(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))
2584 	if (
2585 # ifdef VIMDLL
2586 	    !gui.starting &&
2587 # endif
2588 	    is_cygpty_used())
2589 	{
2590 # if defined(HAVE_BIND_TEXTDOMAIN_CODESET) \
2591 	&& defined(FEAT_GETTEXT)
2592 	    char    *s, *tofree = NULL;
2593 
2594 	    /* Set the encoding of the error message based on $LC_ALL or
2595 	     * other environment variables instead of 'encoding'.
2596 	     * Note that the message is shown on a Cygwin terminal (e.g.
2597 	     * mintty) which encoding is based on $LC_ALL or etc., not the
2598 	     * current codepage used by normal Win32 console programs. */
2599 	    tofree = s = (char *)enc_locale_env(NULL);
2600 	    if (s == NULL)
2601 		s = "utf-8";	/* Use "utf-8" by default. */
2602 	    (void)bind_textdomain_codeset(VIMPACKAGE, s);
2603 	    vim_free(tofree);
2604 # endif
2605 	    mch_errmsg(_("Vim: Error: This version of Vim does not run in a Cygwin terminal\n"));
2606 	    exit(1);
2607 	}
2608 #endif
2609 	if (!stdout_isatty)
2610 	    mch_errmsg(_("Vim: Warning: Output is not to a terminal\n"));
2611 	if (!input_isatty)
2612 	    mch_errmsg(_("Vim: Warning: Input is not from a terminal\n"));
2613 	out_flush();
2614 	if (parmp->tty_fail && (!stdout_isatty || !input_isatty))
2615 	    exit(1);
2616 	if (scriptin[0] == NULL)
2617 	    ui_delay(2000L, TRUE);
2618 	TIME_MSG("Warning delay");
2619     }
2620 }
2621 
2622 /*
2623  * Read text from stdin.
2624  */
2625     static void
2626 read_stdin(void)
2627 {
2628     int	    i;
2629 
2630     // When getting the ATTENTION prompt here, use a dialog
2631     swap_exists_action = SEA_DIALOG;
2632 
2633     no_wait_return = TRUE;
2634     i = msg_didany;
2635     set_buflisted(TRUE);
2636     (void)open_buffer(TRUE, NULL, 0);	// create memfile and read file
2637     no_wait_return = FALSE;
2638     msg_didany = i;
2639     TIME_MSG("reading stdin");
2640 
2641     check_swap_exists_action();
2642 #if !(defined(AMIGA) || defined(MACOS_X))
2643     /*
2644      * Close stdin and dup it from stderr.  Required for GPM to work
2645      * properly, and for running external commands.
2646      * Is there any other system that cannot do this?
2647      */
2648     close(0);
2649     vim_ignored = dup(2);
2650 #endif
2651 }
2652 
2653 /*
2654  * Create the requested number of windows and edit buffers in them.
2655  * Also does recovery if "recoverymode" set.
2656  */
2657     static void
2658 create_windows(mparm_T *parmp UNUSED)
2659 {
2660     int		dorewind;
2661     int		done = 0;
2662 
2663     /*
2664      * Create the number of windows that was requested.
2665      */
2666     if (parmp->window_count == -1)	/* was not set */
2667 	parmp->window_count = 1;
2668     if (parmp->window_count == 0)
2669 	parmp->window_count = GARGCOUNT;
2670     if (parmp->window_count > 1)
2671     {
2672 	/* Don't change the windows if there was a command in .vimrc that
2673 	 * already split some windows */
2674 	if (parmp->window_layout == 0)
2675 	    parmp->window_layout = WIN_HOR;
2676 	if (parmp->window_layout == WIN_TABS)
2677 	{
2678 	    parmp->window_count = make_tabpages(parmp->window_count);
2679 	    TIME_MSG("making tab pages");
2680 	}
2681 	else if (firstwin->w_next == NULL)
2682 	{
2683 	    parmp->window_count = make_windows(parmp->window_count,
2684 					     parmp->window_layout == WIN_VER);
2685 	    TIME_MSG("making windows");
2686 	}
2687 	else
2688 	    parmp->window_count = win_count();
2689     }
2690     else
2691 	parmp->window_count = 1;
2692 
2693     if (recoverymode)			/* do recover */
2694     {
2695 	msg_scroll = TRUE;		/* scroll message up */
2696 	ml_recover(TRUE);
2697 	if (curbuf->b_ml.ml_mfp == NULL) /* failed */
2698 	    getout(1);
2699 	do_modelines(0);		/* do modelines */
2700     }
2701     else
2702     {
2703 	/*
2704 	 * Open a buffer for windows that don't have one yet.
2705 	 * Commands in the .vimrc might have loaded a file or split the window.
2706 	 * Watch out for autocommands that delete a window.
2707 	 */
2708 	/*
2709 	 * Don't execute Win/Buf Enter/Leave autocommands here
2710 	 */
2711 	++autocmd_no_enter;
2712 	++autocmd_no_leave;
2713 	dorewind = TRUE;
2714 	while (done++ < 1000)
2715 	{
2716 	    if (dorewind)
2717 	    {
2718 		if (parmp->window_layout == WIN_TABS)
2719 		    goto_tabpage(1);
2720 		else
2721 		    curwin = firstwin;
2722 	    }
2723 	    else if (parmp->window_layout == WIN_TABS)
2724 	    {
2725 		if (curtab->tp_next == NULL)
2726 		    break;
2727 		goto_tabpage(0);
2728 	    }
2729 	    else
2730 	    {
2731 		if (curwin->w_next == NULL)
2732 		    break;
2733 		curwin = curwin->w_next;
2734 	    }
2735 	    dorewind = FALSE;
2736 	    curbuf = curwin->w_buffer;
2737 	    if (curbuf->b_ml.ml_mfp == NULL)
2738 	    {
2739 #ifdef FEAT_FOLDING
2740 		/* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */
2741 		if (p_fdls >= 0)
2742 		    curwin->w_p_fdl = p_fdls;
2743 #endif
2744 		// When getting the ATTENTION prompt here, use a dialog
2745 		swap_exists_action = SEA_DIALOG;
2746 
2747 		set_buflisted(TRUE);
2748 
2749 		/* create memfile, read file */
2750 		(void)open_buffer(FALSE, NULL, 0);
2751 
2752 		if (swap_exists_action == SEA_QUIT)
2753 		{
2754 		    if (got_int || only_one_window())
2755 		    {
2756 			/* abort selected or quit and only one window */
2757 			did_emsg = FALSE;   /* avoid hit-enter prompt */
2758 			getout(1);
2759 		    }
2760 		    /* We can't close the window, it would disturb what
2761 		     * happens next.  Clear the file name and set the arg
2762 		     * index to -1 to delete it later. */
2763 		    setfname(curbuf, NULL, NULL, FALSE);
2764 		    curwin->w_arg_idx = -1;
2765 		    swap_exists_action = SEA_NONE;
2766 		}
2767 		else
2768 		    handle_swap_exists(NULL);
2769 		dorewind = TRUE;		/* start again */
2770 	    }
2771 	    ui_breakcheck();
2772 	    if (got_int)
2773 	    {
2774 		(void)vgetc();	/* only break the file loading, not the rest */
2775 		break;
2776 	    }
2777 	}
2778 	if (parmp->window_layout == WIN_TABS)
2779 	    goto_tabpage(1);
2780 	else
2781 	    curwin = firstwin;
2782 	curbuf = curwin->w_buffer;
2783 	--autocmd_no_enter;
2784 	--autocmd_no_leave;
2785     }
2786 }
2787 
2788     /*
2789      * If opened more than one window, start editing files in the other
2790      * windows.  make_windows() has already opened the windows.
2791      */
2792     static void
2793 edit_buffers(
2794     mparm_T	*parmp,
2795     char_u	*cwd)			/* current working dir */
2796 {
2797     int		arg_idx;		/* index in argument list */
2798     int		i;
2799     int		advance = TRUE;
2800     win_T	*win;
2801     char_u	*p_shm_save = NULL;
2802 
2803     /*
2804      * Don't execute Win/Buf Enter/Leave autocommands here
2805      */
2806     ++autocmd_no_enter;
2807     ++autocmd_no_leave;
2808 
2809     /* When w_arg_idx is -1 remove the window (see create_windows()). */
2810     if (curwin->w_arg_idx == -1)
2811     {
2812 	win_close(curwin, TRUE);
2813 	advance = FALSE;
2814     }
2815 
2816     arg_idx = 1;
2817     for (i = 1; i < parmp->window_count; ++i)
2818     {
2819 	if (cwd != NULL)
2820 	    mch_chdir((char *)cwd);
2821 	/* When w_arg_idx is -1 remove the window (see create_windows()). */
2822 	if (curwin->w_arg_idx == -1)
2823 	{
2824 	    ++arg_idx;
2825 	    win_close(curwin, TRUE);
2826 	    advance = FALSE;
2827 	    continue;
2828 	}
2829 
2830 	if (advance)
2831 	{
2832 	    if (parmp->window_layout == WIN_TABS)
2833 	    {
2834 		if (curtab->tp_next == NULL)	/* just checking */
2835 		    break;
2836 		goto_tabpage(0);
2837 		// Temporarily reset 'shm' option to not print fileinfo when
2838 		// loading the other buffers. This would overwrite the already
2839 		// existing fileinfo for the first tab.
2840 		if (i == 1)
2841 		{
2842 		    char buf[100];
2843 
2844 		    p_shm_save = vim_strsave(p_shm);
2845 		    vim_snprintf(buf, 100, "F%s", p_shm);
2846 		    set_option_value((char_u *)"shm", 0L, (char_u *)buf, 0);
2847 		}
2848 	    }
2849 	    else
2850 	    {
2851 		if (curwin->w_next == NULL)	/* just checking */
2852 		    break;
2853 		win_enter(curwin->w_next, FALSE);
2854 	    }
2855 	}
2856 	advance = TRUE;
2857 
2858 	/* Only open the file if there is no file in this window yet (that can
2859 	 * happen when .vimrc contains ":sall"). */
2860 	if (curbuf == firstwin->w_buffer || curbuf->b_ffname == NULL)
2861 	{
2862 	    curwin->w_arg_idx = arg_idx;
2863 	    /* Edit file from arg list, if there is one.  When "Quit" selected
2864 	     * at the ATTENTION prompt close the window. */
2865 	    swap_exists_did_quit = FALSE;
2866 	    (void)do_ecmd(0, arg_idx < GARGCOUNT
2867 			  ? alist_name(&GARGLIST[arg_idx]) : NULL,
2868 			  NULL, NULL, ECMD_LASTL, ECMD_HIDE, curwin);
2869 	    if (swap_exists_did_quit)
2870 	    {
2871 		/* abort or quit selected */
2872 		if (got_int || only_one_window())
2873 		{
2874 		    /* abort selected and only one window */
2875 		    did_emsg = FALSE;   /* avoid hit-enter prompt */
2876 		    getout(1);
2877 		}
2878 		win_close(curwin, TRUE);
2879 		advance = FALSE;
2880 	    }
2881 	    if (arg_idx == GARGCOUNT - 1)
2882 		arg_had_last = TRUE;
2883 	    ++arg_idx;
2884 	}
2885 	ui_breakcheck();
2886 	if (got_int)
2887 	{
2888 	    (void)vgetc();	/* only break the file loading, not the rest */
2889 	    break;
2890 	}
2891     }
2892 
2893     if (p_shm_save != NULL)
2894     {
2895 	set_option_value((char_u *)"shm", 0L, p_shm_save, 0);
2896 	vim_free(p_shm_save);
2897     }
2898 
2899     if (parmp->window_layout == WIN_TABS)
2900 	goto_tabpage(1);
2901     --autocmd_no_enter;
2902 
2903     /* make the first window the current window */
2904     win = firstwin;
2905 #if defined(FEAT_QUICKFIX)
2906     /* Avoid making a preview window the current window. */
2907     while (win->w_p_pvw)
2908     {
2909 	win = win->w_next;
2910 	if (win == NULL)
2911 	{
2912 	    win = firstwin;
2913 	    break;
2914 	}
2915     }
2916 #endif
2917     win_enter(win, FALSE);
2918 
2919     --autocmd_no_leave;
2920     TIME_MSG("editing files in windows");
2921     if (parmp->window_count > 1 && parmp->window_layout != WIN_TABS)
2922 	win_equal(curwin, FALSE, 'b');	/* adjust heights */
2923 }
2924 
2925 /*
2926  * Execute the commands from --cmd arguments "cmds[cnt]".
2927  */
2928     static void
2929 exe_pre_commands(mparm_T *parmp)
2930 {
2931     char_u	**cmds = parmp->pre_commands;
2932     int		cnt = parmp->n_pre_commands;
2933     int		i;
2934 
2935     if (cnt > 0)
2936     {
2937 	curwin->w_cursor.lnum = 0; /* just in case.. */
2938 	sourcing_name = (char_u *)_("pre-vimrc command line");
2939 # ifdef FEAT_EVAL
2940 	current_sctx.sc_sid = SID_CMDARG;
2941 # endif
2942 	for (i = 0; i < cnt; ++i)
2943 	    do_cmdline_cmd(cmds[i]);
2944 	sourcing_name = NULL;
2945 # ifdef FEAT_EVAL
2946 	current_sctx.sc_sid = 0;
2947 # endif
2948 	TIME_MSG("--cmd commands");
2949     }
2950 }
2951 
2952 /*
2953  * Execute "+", "-c" and "-S" arguments.
2954  */
2955     static void
2956 exe_commands(mparm_T *parmp)
2957 {
2958     int		i;
2959 
2960     /*
2961      * We start commands on line 0, make "vim +/pat file" match a
2962      * pattern on line 1.  But don't move the cursor when an autocommand
2963      * with g`" was used.
2964      */
2965     msg_scroll = TRUE;
2966     if (parmp->tagname == NULL && curwin->w_cursor.lnum <= 1)
2967 	curwin->w_cursor.lnum = 0;
2968     sourcing_name = (char_u *)"command line";
2969 #ifdef FEAT_EVAL
2970     current_sctx.sc_sid = SID_CARG;
2971     current_sctx.sc_seq = 0;
2972 #endif
2973     for (i = 0; i < parmp->n_commands; ++i)
2974     {
2975 	do_cmdline_cmd(parmp->commands[i]);
2976 	if (parmp->cmds_tofree[i])
2977 	    vim_free(parmp->commands[i]);
2978     }
2979     sourcing_name = NULL;
2980 #ifdef FEAT_EVAL
2981     current_sctx.sc_sid = 0;
2982 #endif
2983     if (curwin->w_cursor.lnum == 0)
2984 	curwin->w_cursor.lnum = 1;
2985 
2986     if (!exmode_active)
2987 	msg_scroll = FALSE;
2988 
2989 #ifdef FEAT_QUICKFIX
2990     /* When started with "-q errorfile" jump to first error again. */
2991     if (parmp->edit_type == EDIT_QF)
2992 	qf_jump(NULL, 0, 0, FALSE);
2993 #endif
2994     TIME_MSG("executing command arguments");
2995 }
2996 
2997 /*
2998  * Source startup scripts.
2999  */
3000     static void
3001 source_startup_scripts(mparm_T *parmp)
3002 {
3003     int		i;
3004 
3005     /*
3006      * For "evim" source evim.vim first of all, so that the user can overrule
3007      * any things he doesn't like.
3008      */
3009     if (parmp->evim_mode)
3010     {
3011 	(void)do_source((char_u *)EVIM_FILE, FALSE, DOSO_NONE);
3012 	TIME_MSG("source evim file");
3013     }
3014 
3015     /*
3016      * If -u argument given, use only the initializations from that file and
3017      * nothing else.
3018      */
3019     if (parmp->use_vimrc != NULL)
3020     {
3021 	if (STRCMP(parmp->use_vimrc, "DEFAULTS") == 0)
3022 	    do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE);
3023 	else if (STRCMP(parmp->use_vimrc, "NONE") == 0
3024 				     || STRCMP(parmp->use_vimrc, "NORC") == 0)
3025 	{
3026 #ifdef FEAT_GUI
3027 	    if (use_gvimrc == NULL)	    /* don't load gvimrc either */
3028 		use_gvimrc = parmp->use_vimrc;
3029 #endif
3030 	}
3031 	else
3032 	{
3033 	    if (do_source(parmp->use_vimrc, FALSE, DOSO_NONE) != OK)
3034 		semsg(_("E282: Cannot read from \"%s\""), parmp->use_vimrc);
3035 	}
3036     }
3037     else if (!silent_mode)
3038     {
3039 #ifdef AMIGA
3040 	struct Process	*proc = (struct Process *)FindTask(0L);
3041 	APTR		save_winptr = proc->pr_WindowPtr;
3042 
3043 	/* Avoid a requester here for a volume that doesn't exist. */
3044 	proc->pr_WindowPtr = (APTR)-1L;
3045 #endif
3046 
3047 	/*
3048 	 * Get system wide defaults, if the file name is defined.
3049 	 */
3050 #ifdef SYS_VIMRC_FILE
3051 	(void)do_source((char_u *)SYS_VIMRC_FILE, FALSE, DOSO_NONE);
3052 #endif
3053 #ifdef MACOS_X
3054 	(void)do_source((char_u *)"$VIMRUNTIME/macmap.vim", FALSE, DOSO_NONE);
3055 #endif
3056 
3057 	/*
3058 	 * Try to read initialization commands from the following places:
3059 	 * - environment variable VIMINIT
3060 	 * - user vimrc file (s:.vimrc for Amiga, ~/.vimrc otherwise)
3061 	 * - second user vimrc file ($VIM/.vimrc for Dos)
3062 	 * - environment variable EXINIT
3063 	 * - user exrc file (s:.exrc for Amiga, ~/.exrc otherwise)
3064 	 * - second user exrc file ($VIM/.exrc for Dos)
3065 	 * The first that exists is used, the rest is ignored.
3066 	 */
3067 	if (process_env((char_u *)"VIMINIT", TRUE) != OK)
3068 	{
3069 	    if (do_source((char_u *)USR_VIMRC_FILE, TRUE, DOSO_VIMRC) == FAIL
3070 #ifdef USR_VIMRC_FILE2
3071 		&& do_source((char_u *)USR_VIMRC_FILE2, TRUE,
3072 							   DOSO_VIMRC) == FAIL
3073 #endif
3074 #ifdef USR_VIMRC_FILE3
3075 		&& do_source((char_u *)USR_VIMRC_FILE3, TRUE,
3076 							   DOSO_VIMRC) == FAIL
3077 #endif
3078 #ifdef USR_VIMRC_FILE4
3079 		&& do_source((char_u *)USR_VIMRC_FILE4, TRUE,
3080 							   DOSO_VIMRC) == FAIL
3081 #endif
3082 		&& process_env((char_u *)"EXINIT", FALSE) == FAIL
3083 		&& do_source((char_u *)USR_EXRC_FILE, FALSE, DOSO_NONE) == FAIL
3084 #ifdef USR_EXRC_FILE2
3085 		&& do_source((char_u *)USR_EXRC_FILE2, FALSE, DOSO_NONE) == FAIL
3086 #endif
3087 		&& !has_dash_c_arg)
3088 	    {
3089 		/* When no .vimrc file was found: source defaults.vim. */
3090 		do_source((char_u *)VIM_DEFAULTS_FILE, FALSE, DOSO_NONE);
3091 	    }
3092 	}
3093 
3094 	/*
3095 	 * Read initialization commands from ".vimrc" or ".exrc" in current
3096 	 * directory.  This is only done if the 'exrc' option is set.
3097 	 * Because of security reasons we disallow shell and write commands
3098 	 * now, except for Unix if the file is owned by the user or 'secure'
3099 	 * option has been reset in environment of global ".exrc" or ".vimrc".
3100 	 * Only do this if VIMRC_FILE is not the same as USR_VIMRC_FILE or
3101 	 * SYS_VIMRC_FILE.
3102 	 */
3103 	if (p_exrc)
3104 	{
3105 #if defined(UNIX) || defined(VMS)
3106 	    /* If ".vimrc" file is not owned by user, set 'secure' mode. */
3107 	    if (!file_owned(VIMRC_FILE))
3108 #endif
3109 		secure = p_secure;
3110 
3111 	    i = FAIL;
3112 	    if (fullpathcmp((char_u *)USR_VIMRC_FILE,
3113 				(char_u *)VIMRC_FILE, FALSE, TRUE) != FPC_SAME
3114 #ifdef USR_VIMRC_FILE2
3115 		    && fullpathcmp((char_u *)USR_VIMRC_FILE2,
3116 				(char_u *)VIMRC_FILE, FALSE, TRUE) != FPC_SAME
3117 #endif
3118 #ifdef USR_VIMRC_FILE3
3119 		    && fullpathcmp((char_u *)USR_VIMRC_FILE3,
3120 				(char_u *)VIMRC_FILE, FALSE, TRUE) != FPC_SAME
3121 #endif
3122 #ifdef SYS_VIMRC_FILE
3123 		    && fullpathcmp((char_u *)SYS_VIMRC_FILE,
3124 				(char_u *)VIMRC_FILE, FALSE, TRUE) != FPC_SAME
3125 #endif
3126 				)
3127 		i = do_source((char_u *)VIMRC_FILE, TRUE, DOSO_VIMRC);
3128 
3129 	    if (i == FAIL)
3130 	    {
3131 #if defined(UNIX) || defined(VMS)
3132 		/* if ".exrc" is not owned by user set 'secure' mode */
3133 		if (!file_owned(EXRC_FILE))
3134 		    secure = p_secure;
3135 		else
3136 		    secure = 0;
3137 #endif
3138 		if (	   fullpathcmp((char_u *)USR_EXRC_FILE,
3139 				(char_u *)EXRC_FILE, FALSE, TRUE) != FPC_SAME
3140 #ifdef USR_EXRC_FILE2
3141 			&& fullpathcmp((char_u *)USR_EXRC_FILE2,
3142 				(char_u *)EXRC_FILE, FALSE, TRUE) != FPC_SAME
3143 #endif
3144 				)
3145 		    (void)do_source((char_u *)EXRC_FILE, FALSE, DOSO_NONE);
3146 	    }
3147 	}
3148 	if (secure == 2)
3149 	    need_wait_return = TRUE;
3150 	secure = 0;
3151 #ifdef AMIGA
3152 	proc->pr_WindowPtr = save_winptr;
3153 #endif
3154     }
3155     TIME_MSG("sourcing vimrc file(s)");
3156 }
3157 
3158 /*
3159  * Setup to start using the GUI.  Exit with an error when not available.
3160  */
3161     static void
3162 main_start_gui(void)
3163 {
3164 #ifdef FEAT_GUI
3165     gui.starting = TRUE;	/* start GUI a bit later */
3166 #else
3167     mch_errmsg(_(e_nogvim));
3168     mch_errmsg("\n");
3169     mch_exit(2);
3170 #endif
3171 }
3172 
3173 #endif  /* NO_VIM_MAIN */
3174 
3175 /*
3176  * Get an environment variable, and execute it as Ex commands.
3177  * Returns FAIL if the environment variable was not executed, OK otherwise.
3178  */
3179     int
3180 process_env(
3181     char_u	*env,
3182     int		is_viminit) /* when TRUE, called for VIMINIT */
3183 {
3184     char_u	*initstr;
3185     char_u	*save_sourcing_name;
3186     linenr_T	save_sourcing_lnum;
3187 #ifdef FEAT_EVAL
3188     sctx_T	save_current_sctx;
3189 #endif
3190 
3191     if ((initstr = mch_getenv(env)) != NULL && *initstr != NUL)
3192     {
3193 	if (is_viminit)
3194 	    vimrc_found(NULL, NULL);
3195 	save_sourcing_name = sourcing_name;
3196 	save_sourcing_lnum = sourcing_lnum;
3197 	sourcing_name = env;
3198 	sourcing_lnum = 0;
3199 #ifdef FEAT_EVAL
3200 	save_current_sctx = current_sctx;
3201 	current_sctx.sc_sid = SID_ENV;
3202 	current_sctx.sc_seq = 0;
3203 	current_sctx.sc_lnum = 0;
3204 	current_sctx.sc_version = 1;
3205 #endif
3206 	do_cmdline_cmd(initstr);
3207 	sourcing_name = save_sourcing_name;
3208 	sourcing_lnum = save_sourcing_lnum;
3209 #ifdef FEAT_EVAL
3210 	current_sctx = save_current_sctx;
3211 #endif
3212 	return OK;
3213     }
3214     return FAIL;
3215 }
3216 
3217 #if (defined(UNIX) || defined(VMS)) && !defined(NO_VIM_MAIN)
3218 /*
3219  * Return TRUE if we are certain the user owns the file "fname".
3220  * Used for ".vimrc" and ".exrc".
3221  * Use both stat() and lstat() for extra security.
3222  */
3223     static int
3224 file_owned(char *fname)
3225 {
3226     stat_T	s;
3227 # ifdef UNIX
3228     uid_t	uid = getuid();
3229 # else	 /* VMS */
3230     uid_t	uid = ((getgid() << 16) | getuid());
3231 # endif
3232 
3233     return !(mch_stat(fname, &s) != 0 || s.st_uid != uid
3234 # ifdef HAVE_LSTAT
3235 	    || mch_lstat(fname, &s) != 0 || s.st_uid != uid
3236 # endif
3237 	    );
3238 }
3239 #endif
3240 
3241 /*
3242  * Give an error message main_errors["n"] and exit.
3243  */
3244     static void
3245 mainerr(
3246     int		n,	/* one of the ME_ defines */
3247     char_u	*str)	/* extra argument or NULL */
3248 {
3249 #if defined(UNIX) || defined(VMS)
3250     reset_signals();		/* kill us with CTRL-C here, if you like */
3251 #endif
3252 
3253     // If this is a Windows GUI executable, show an error dialog box.
3254 #ifdef VIMDLL
3255     gui.in_use = mch_is_gui_executable();
3256 #endif
3257 #ifdef FEAT_GUI_MSWIN
3258     gui.starting = FALSE;   // Needed to show as error.
3259 #endif
3260 
3261     init_longVersion();
3262     mch_errmsg(longVersion);
3263     mch_errmsg("\n");
3264     mch_errmsg(_(main_errors[n]));
3265     if (str != NULL)
3266     {
3267 	mch_errmsg(": \"");
3268 	mch_errmsg((char *)str);
3269 	mch_errmsg("\"");
3270     }
3271     mch_errmsg(_("\nMore info with: \"vim -h\"\n"));
3272 
3273     mch_exit(1);
3274 }
3275 
3276     void
3277 mainerr_arg_missing(char_u *str)
3278 {
3279     mainerr(ME_ARG_MISSING, str);
3280 }
3281 
3282 #ifndef NO_VIM_MAIN
3283 /*
3284  * print a message with three spaces prepended and '\n' appended.
3285  */
3286     static void
3287 main_msg(char *s)
3288 {
3289     mch_msg("   ");
3290     mch_msg(s);
3291     mch_msg("\n");
3292 }
3293 
3294 /*
3295  * Print messages for "vim -h" or "vim --help" and exit.
3296  */
3297     static void
3298 usage(void)
3299 {
3300     int		i;
3301     static char	*(use[]) =
3302     {
3303 	N_("[file ..]       edit specified file(s)"),
3304 	N_("-               read text from stdin"),
3305 	N_("-t tag          edit file where tag is defined"),
3306 #ifdef FEAT_QUICKFIX
3307 	N_("-q [errorfile]  edit file with first error")
3308 #endif
3309     };
3310 
3311 #if defined(UNIX) || defined(VMS)
3312     reset_signals();		/* kill us with CTRL-C here, if you like */
3313 #endif
3314 
3315     init_longVersion();
3316     mch_msg(longVersion);
3317     mch_msg(_("\n\nUsage:"));
3318     for (i = 0; ; ++i)
3319     {
3320 	mch_msg(_(" vim [arguments] "));
3321 	mch_msg(_(use[i]));
3322 	if (i == (sizeof(use) / sizeof(char_u *)) - 1)
3323 	    break;
3324 	mch_msg(_("\n   or:"));
3325     }
3326 #ifdef VMS
3327     mch_msg(_("\nWhere case is ignored prepend / to make flag upper case"));
3328 #endif
3329 
3330     mch_msg(_("\n\nArguments:\n"));
3331     main_msg(_("--\t\t\tOnly file names after this"));
3332 #ifdef EXPAND_FILENAMES
3333     main_msg(_("--literal\t\tDon't expand wildcards"));
3334 #endif
3335 #ifdef FEAT_OLE
3336     main_msg(_("-register\t\tRegister this gvim for OLE"));
3337     main_msg(_("-unregister\t\tUnregister gvim for OLE"));
3338 #endif
3339 #ifdef FEAT_GUI
3340     main_msg(_("-g\t\t\tRun using GUI (like \"gvim\")"));
3341     main_msg(_("-f  or  --nofork\tForeground: Don't fork when starting GUI"));
3342 #endif
3343     main_msg(_("-v\t\t\tVi mode (like \"vi\")"));
3344     main_msg(_("-e\t\t\tEx mode (like \"ex\")"));
3345     main_msg(_("-E\t\t\tImproved Ex mode"));
3346     main_msg(_("-s\t\t\tSilent (batch) mode (only for \"ex\")"));
3347 #ifdef FEAT_DIFF
3348     main_msg(_("-d\t\t\tDiff mode (like \"vimdiff\")"));
3349 #endif
3350     main_msg(_("-y\t\t\tEasy mode (like \"evim\", modeless)"));
3351     main_msg(_("-R\t\t\tReadonly mode (like \"view\")"));
3352     main_msg(_("-Z\t\t\tRestricted mode (like \"rvim\")"));
3353     main_msg(_("-m\t\t\tModifications (writing files) not allowed"));
3354     main_msg(_("-M\t\t\tModifications in text not allowed"));
3355     main_msg(_("-b\t\t\tBinary mode"));
3356 #ifdef FEAT_LISP
3357     main_msg(_("-l\t\t\tLisp mode"));
3358 #endif
3359     main_msg(_("-C\t\t\tCompatible with Vi: 'compatible'"));
3360     main_msg(_("-N\t\t\tNot fully Vi compatible: 'nocompatible'"));
3361     main_msg(_("-V[N][fname]\t\tBe verbose [level N] [log messages to fname]"));
3362 #ifdef FEAT_EVAL
3363     main_msg(_("-D\t\t\tDebugging mode"));
3364 #endif
3365     main_msg(_("-n\t\t\tNo swap file, use memory only"));
3366     main_msg(_("-r\t\t\tList swap files and exit"));
3367     main_msg(_("-r (with file name)\tRecover crashed session"));
3368     main_msg(_("-L\t\t\tSame as -r"));
3369 #ifdef AMIGA
3370     main_msg(_("-f\t\t\tDon't use newcli to open window"));
3371     main_msg(_("-dev <device>\t\tUse <device> for I/O"));
3372 #endif
3373 #ifdef FEAT_ARABIC
3374     main_msg(_("-A\t\t\tStart in Arabic mode"));
3375 #endif
3376 #ifdef FEAT_RIGHTLEFT
3377     main_msg(_("-H\t\t\tStart in Hebrew mode"));
3378 #endif
3379     main_msg(_("-T <terminal>\tSet terminal type to <terminal>"));
3380     main_msg(_("--not-a-term\t\tSkip warning for input/output not being a terminal"));
3381     main_msg(_("--ttyfail\t\tExit if input or output is not a terminal"));
3382     main_msg(_("-u <vimrc>\t\tUse <vimrc> instead of any .vimrc"));
3383 #ifdef FEAT_GUI
3384     main_msg(_("-U <gvimrc>\t\tUse <gvimrc> instead of any .gvimrc"));
3385 #endif
3386     main_msg(_("--noplugin\t\tDon't load plugin scripts"));
3387     main_msg(_("-p[N]\t\tOpen N tab pages (default: one for each file)"));
3388     main_msg(_("-o[N]\t\tOpen N windows (default: one for each file)"));
3389     main_msg(_("-O[N]\t\tLike -o but split vertically"));
3390     main_msg(_("+\t\t\tStart at end of file"));
3391     main_msg(_("+<lnum>\t\tStart at line <lnum>"));
3392     main_msg(_("--cmd <command>\tExecute <command> before loading any vimrc file"));
3393     main_msg(_("-c <command>\t\tExecute <command> after loading the first file"));
3394     main_msg(_("-S <session>\t\tSource file <session> after loading the first file"));
3395     main_msg(_("-s <scriptin>\tRead Normal mode commands from file <scriptin>"));
3396     main_msg(_("-w <scriptout>\tAppend all typed commands to file <scriptout>"));
3397     main_msg(_("-W <scriptout>\tWrite all typed commands to file <scriptout>"));
3398 #ifdef FEAT_CRYPT
3399     main_msg(_("-x\t\t\tEdit encrypted files"));
3400 #endif
3401 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
3402 # if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
3403     main_msg(_("-display <display>\tConnect vim to this particular X-server"));
3404 # endif
3405     main_msg(_("-X\t\t\tDo not connect to X server"));
3406 #endif
3407 #ifdef FEAT_CLIENTSERVER
3408     main_msg(_("--remote <files>\tEdit <files> in a Vim server if possible"));
3409     main_msg(_("--remote-silent <files>  Same, don't complain if there is no server"));
3410     main_msg(_("--remote-wait <files>  As --remote but wait for files to have been edited"));
3411     main_msg(_("--remote-wait-silent <files>  Same, don't complain if there is no server"));
3412     main_msg(_("--remote-tab[-wait][-silent] <files>  As --remote but use tab page per file"));
3413     main_msg(_("--remote-send <keys>\tSend <keys> to a Vim server and exit"));
3414     main_msg(_("--remote-expr <expr>\tEvaluate <expr> in a Vim server and print result"));
3415     main_msg(_("--serverlist\t\tList available Vim server names and exit"));
3416     main_msg(_("--servername <name>\tSend to/become the Vim server <name>"));
3417 #endif
3418 #ifdef STARTUPTIME
3419     main_msg(_("--startuptime <file>\tWrite startup timing messages to <file>"));
3420 #endif
3421 #ifdef FEAT_VIMINFO
3422     main_msg(_("-i <viminfo>\t\tUse <viminfo> instead of .viminfo"));
3423 #endif
3424     main_msg(_("--clean\t\t'nocompatible', Vim defaults, no plugins, no viminfo"));
3425     main_msg(_("-h  or  --help\tPrint Help (this message) and exit"));
3426     main_msg(_("--version\t\tPrint version information and exit"));
3427 
3428 #ifdef FEAT_GUI_X11
3429 # ifdef FEAT_GUI_MOTIF
3430     mch_msg(_("\nArguments recognised by gvim (Motif version):\n"));
3431 # else
3432 #  ifdef FEAT_GUI_ATHENA
3433 #   ifdef FEAT_GUI_NEXTAW
3434     mch_msg(_("\nArguments recognised by gvim (neXtaw version):\n"));
3435 #   else
3436     mch_msg(_("\nArguments recognised by gvim (Athena version):\n"));
3437 #   endif
3438 #  endif
3439 # endif
3440     main_msg(_("-display <display>\tRun vim on <display>"));
3441     main_msg(_("-iconic\t\tStart vim iconified"));
3442     main_msg(_("-background <color>\tUse <color> for the background (also: -bg)"));
3443     main_msg(_("-foreground <color>\tUse <color> for normal text (also: -fg)"));
3444     main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
3445     main_msg(_("-boldfont <font>\tUse <font> for bold text"));
3446     main_msg(_("-italicfont <font>\tUse <font> for italic text"));
3447     main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
3448     main_msg(_("-borderwidth <width>\tUse a border width of <width> (also: -bw)"));
3449     main_msg(_("-scrollbarwidth <width>  Use a scrollbar width of <width> (also: -sw)"));
3450 # ifdef FEAT_GUI_ATHENA
3451     main_msg(_("-menuheight <height>\tUse a menu bar height of <height> (also: -mh)"));
3452 # endif
3453     main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
3454     main_msg(_("+reverse\t\tDon't use reverse video (also: +rv)"));
3455     main_msg(_("-xrm <resource>\tSet the specified resource"));
3456 #endif /* FEAT_GUI_X11 */
3457 #ifdef FEAT_GUI_GTK
3458     mch_msg(_("\nArguments recognised by gvim (GTK+ version):\n"));
3459     main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
3460     main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
3461     main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
3462     main_msg(_("-display <display>\tRun vim on <display> (also: --display)"));
3463     main_msg(_("--role <role>\tSet a unique role to identify the main window"));
3464     main_msg(_("--socketid <xid>\tOpen Vim inside another GTK widget"));
3465     main_msg(_("--echo-wid\t\tMake gvim echo the Window ID on stdout"));
3466 #endif
3467 #ifdef FEAT_GUI_MSWIN
3468 # ifdef VIMDLL
3469     if (gui.starting)
3470 # endif
3471     {
3472 	main_msg(_("-P <parent title>\tOpen Vim inside parent application"));
3473 	main_msg(_("--windowid <HWND>\tOpen Vim inside another win32 widget"));
3474     }
3475 #endif
3476 
3477 #ifdef FEAT_GUI_GNOME
3478     /* Gnome gives extra messages for --help if we continue, but not for -h. */
3479     if (gui.starting)
3480     {
3481 	mch_msg("\n");
3482 	gui.dofork = FALSE;
3483     }
3484     else
3485 #endif
3486 	mch_exit(0);
3487 }
3488 
3489 /*
3490  * Check the result of the ATTENTION dialog:
3491  * When "Quit" selected, exit Vim.
3492  * When "Recover" selected, recover the file.
3493  */
3494     static void
3495 check_swap_exists_action(void)
3496 {
3497     if (swap_exists_action == SEA_QUIT)
3498 	getout(1);
3499     handle_swap_exists(NULL);
3500 }
3501 
3502 #endif /* NO_VIM_MAIN */
3503 
3504 #if defined(STARTUPTIME) || defined(PROTO)
3505 static struct timeval	prev_timeval;
3506 
3507 # ifdef MSWIN
3508 /*
3509  * Windows doesn't have gettimeofday(), although it does have struct timeval.
3510  */
3511     static int
3512 gettimeofday(struct timeval *tv, char *dummy)
3513 {
3514     long t = clock();
3515     tv->tv_sec = t / CLOCKS_PER_SEC;
3516     tv->tv_usec = (t - tv->tv_sec * CLOCKS_PER_SEC) * 1000000 / CLOCKS_PER_SEC;
3517     return 0;
3518 }
3519 # endif
3520 
3521 /*
3522  * Save the previous time before doing something that could nest.
3523  * set "*tv_rel" to the time elapsed so far.
3524  */
3525     void
3526 time_push(void *tv_rel, void *tv_start)
3527 {
3528     *((struct timeval *)tv_rel) = prev_timeval;
3529     gettimeofday(&prev_timeval, NULL);
3530     ((struct timeval *)tv_rel)->tv_usec = prev_timeval.tv_usec
3531 					- ((struct timeval *)tv_rel)->tv_usec;
3532     ((struct timeval *)tv_rel)->tv_sec = prev_timeval.tv_sec
3533 					 - ((struct timeval *)tv_rel)->tv_sec;
3534     if (((struct timeval *)tv_rel)->tv_usec < 0)
3535     {
3536 	((struct timeval *)tv_rel)->tv_usec += 1000000;
3537 	--((struct timeval *)tv_rel)->tv_sec;
3538     }
3539     *(struct timeval *)tv_start = prev_timeval;
3540 }
3541 
3542 /*
3543  * Compute the previous time after doing something that could nest.
3544  * Subtract "*tp" from prev_timeval;
3545  * Note: The arguments are (void *) to avoid trouble with systems that don't
3546  * have struct timeval.
3547  */
3548     void
3549 time_pop(
3550     void	*tp)	/* actually (struct timeval *) */
3551 {
3552     prev_timeval.tv_usec -= ((struct timeval *)tp)->tv_usec;
3553     prev_timeval.tv_sec -= ((struct timeval *)tp)->tv_sec;
3554     if (prev_timeval.tv_usec < 0)
3555     {
3556 	prev_timeval.tv_usec += 1000000;
3557 	--prev_timeval.tv_sec;
3558     }
3559 }
3560 
3561     static void
3562 time_diff(struct timeval *then, struct timeval *now)
3563 {
3564     long	usec;
3565     long	msec;
3566 
3567     usec = now->tv_usec - then->tv_usec;
3568     msec = (now->tv_sec - then->tv_sec) * 1000L + usec / 1000L,
3569     usec = usec % 1000L;
3570     fprintf(time_fd, "%03ld.%03ld", msec, usec >= 0 ? usec : usec + 1000L);
3571 }
3572 
3573     void
3574 time_msg(
3575     char	*mesg,
3576     void	*tv_start)  /* only for do_source: start time; actually
3577 			       (struct timeval *) */
3578 {
3579     static struct timeval	start;
3580     struct timeval		now;
3581 
3582     if (time_fd != NULL)
3583     {
3584 	if (strstr(mesg, "STARTING") != NULL)
3585 	{
3586 	    gettimeofday(&start, NULL);
3587 	    prev_timeval = start;
3588 	    fprintf(time_fd, "\n\ntimes in msec\n");
3589 	    fprintf(time_fd, " clock   self+sourced   self:  sourced script\n");
3590 	    fprintf(time_fd, " clock   elapsed:              other lines\n\n");
3591 	}
3592 	gettimeofday(&now, NULL);
3593 	time_diff(&start, &now);
3594 	if (((struct timeval *)tv_start) != NULL)
3595 	{
3596 	    fprintf(time_fd, "  ");
3597 	    time_diff(((struct timeval *)tv_start), &now);
3598 	}
3599 	fprintf(time_fd, "  ");
3600 	time_diff(&prev_timeval, &now);
3601 	prev_timeval = now;
3602 	fprintf(time_fd, ": %s\n", mesg);
3603     }
3604 }
3605 
3606 #endif
3607 
3608 #if !defined(NO_VIM_MAIN) && defined(FEAT_EVAL)
3609     static void
3610 set_progpath(char_u *argv0)
3611 {
3612     char_u *val = argv0;
3613 
3614 # ifdef MSWIN
3615     /* A relative path containing a "/" will become invalid when using ":cd",
3616      * turn it into a full path.
3617      * On MS-Windows "vim" should be expanded to "vim.exe", thus always do
3618      * this. */
3619     char_u *path = NULL;
3620 
3621     if (mch_can_exe(argv0, &path, FALSE) && path != NULL)
3622 	val = path;
3623 # else
3624     char_u	buf[MAXPATHL + 1];
3625 #  ifdef PROC_EXE_LINK
3626     char	linkbuf[MAXPATHL + 1];
3627     ssize_t	len;
3628 
3629     len = readlink(PROC_EXE_LINK, linkbuf, MAXPATHL);
3630     if (len > 0)
3631     {
3632 	linkbuf[len] = NUL;
3633 	val = (char_u *)linkbuf;
3634     }
3635 #  endif
3636 
3637     if (!mch_isFullName(val))
3638     {
3639 	if (gettail(val) != val
3640 			   && vim_FullName(val, buf, MAXPATHL, TRUE) != FAIL)
3641 	    val = buf;
3642     }
3643 # endif
3644 
3645     set_vim_var_string(VV_PROGPATH, val, -1);
3646 
3647 # ifdef MSWIN
3648     vim_free(path);
3649 # endif
3650 }
3651 
3652 #endif /* NO_VIM_MAIN */
3653 
3654 #if (defined(FEAT_CLIENTSERVER) && !defined(NO_VIM_MAIN)) || defined(PROTO)
3655 
3656 /*
3657  * Common code for the X command server and the Win32 command server.
3658  */
3659 
3660 static char_u *build_drop_cmd(int filec, char **filev, int tabs, int sendReply);
3661 
3662 /*
3663  * Do the client-server stuff, unless "--servername ''" was used.
3664  */
3665     static void
3666 exec_on_server(mparm_T *parmp)
3667 {
3668     if (parmp->serverName_arg == NULL || *parmp->serverName_arg != NUL)
3669     {
3670 # ifdef MSWIN
3671 	/* Initialise the client/server messaging infrastructure. */
3672 	serverInitMessaging();
3673 # endif
3674 
3675 	/*
3676 	 * When a command server argument was found, execute it.  This may
3677 	 * exit Vim when it was successful.  Otherwise it's executed further
3678 	 * on.  Remember the encoding used here in "serverStrEnc".
3679 	 */
3680 	if (parmp->serverArg)
3681 	{
3682 	    cmdsrv_main(&parmp->argc, parmp->argv,
3683 				    parmp->serverName_arg, &parmp->serverStr);
3684 	    parmp->serverStrEnc = vim_strsave(p_enc);
3685 	}
3686 
3687 	/* If we're still running, get the name to register ourselves.
3688 	 * On Win32 can register right now, for X11 need to setup the
3689 	 * clipboard first, it's further down. */
3690 	parmp->servername = serverMakeName(parmp->serverName_arg,
3691 							      parmp->argv[0]);
3692 # ifdef MSWIN
3693 	if (parmp->servername != NULL)
3694 	{
3695 	    serverSetName(parmp->servername);
3696 	    vim_free(parmp->servername);
3697 	}
3698 # endif
3699     }
3700 }
3701 
3702 /*
3703  * Prepare for running as a Vim server.
3704  */
3705     static void
3706 prepare_server(mparm_T *parmp)
3707 {
3708 # if defined(FEAT_X11)
3709     /*
3710      * Register for remote command execution with :serversend and --remote
3711      * unless there was a -X or a --servername '' on the command line.
3712      * Only register nongui-vim's with an explicit --servername argument,
3713      * or when compiling with autoservername.
3714      * When running as root --servername is also required.
3715      */
3716     if (X_DISPLAY != NULL && parmp->servername != NULL && (
3717 #  if defined(FEAT_AUTOSERVERNAME) || defined(FEAT_GUI)
3718 		(
3719 #   if defined(FEAT_AUTOSERVERNAME)
3720 		    1
3721 #   else
3722 		    gui.in_use
3723 #   endif
3724 #   ifdef UNIX
3725 		 && getuid() != ROOT_UID
3726 #   endif
3727 		) ||
3728 #  endif
3729 		parmp->serverName_arg != NULL))
3730     {
3731 	(void)serverRegisterName(X_DISPLAY, parmp->servername);
3732 	vim_free(parmp->servername);
3733 	TIME_MSG("register server name");
3734     }
3735     else
3736 	serverDelayedStartName = parmp->servername;
3737 # endif
3738 
3739     /*
3740      * Execute command ourselves if we're here because the send failed (or
3741      * else we would have exited above).
3742      */
3743     if (parmp->serverStr != NULL)
3744     {
3745 	char_u *p;
3746 
3747 	server_to_input_buf(serverConvert(parmp->serverStrEnc,
3748 						       parmp->serverStr, &p));
3749 	vim_free(p);
3750     }
3751 }
3752 
3753     static void
3754 cmdsrv_main(
3755     int		*argc,
3756     char	**argv,
3757     char_u	*serverName_arg,
3758     char_u	**serverStr)
3759 {
3760     char_u	*res;
3761     int		i;
3762     char_u	*sname;
3763     int		ret;
3764     int		didone = FALSE;
3765     int		exiterr = 0;
3766     char	**newArgV = argv + 1;
3767     int		newArgC = 1,
3768 		Argc = *argc;
3769     int		argtype;
3770 #define ARGTYPE_OTHER		0
3771 #define ARGTYPE_EDIT		1
3772 #define ARGTYPE_EDIT_WAIT	2
3773 #define ARGTYPE_SEND		3
3774     int		silent = FALSE;
3775     int		tabs = FALSE;
3776 # ifndef FEAT_X11
3777     HWND	srv;
3778 # else
3779     Window	srv;
3780 
3781     setup_term_clip();
3782 # endif
3783 
3784     sname = serverMakeName(serverName_arg, argv[0]);
3785     if (sname == NULL)
3786 	return;
3787 
3788     /*
3789      * Execute the command server related arguments and remove them
3790      * from the argc/argv array; We may have to return into main()
3791      */
3792     for (i = 1; i < Argc; i++)
3793     {
3794 	res = NULL;
3795 	if (STRCMP(argv[i], "--") == 0)	/* end of option arguments */
3796 	{
3797 	    for (; i < *argc; i++)
3798 	    {
3799 		*newArgV++ = argv[i];
3800 		newArgC++;
3801 	    }
3802 	    break;
3803 	}
3804 
3805 	if (STRICMP(argv[i], "--remote-send") == 0)
3806 	    argtype = ARGTYPE_SEND;
3807 	else if (STRNICMP(argv[i], "--remote", 8) == 0)
3808 	{
3809 	    char	*p = argv[i] + 8;
3810 
3811 	    argtype = ARGTYPE_EDIT;
3812 	    while (*p != NUL)
3813 	    {
3814 		if (STRNICMP(p, "-wait", 5) == 0)
3815 		{
3816 		    argtype = ARGTYPE_EDIT_WAIT;
3817 		    p += 5;
3818 		}
3819 		else if (STRNICMP(p, "-silent", 7) == 0)
3820 		{
3821 		    silent = TRUE;
3822 		    p += 7;
3823 		}
3824 		else if (STRNICMP(p, "-tab", 4) == 0)
3825 		{
3826 		    tabs = TRUE;
3827 		    p += 4;
3828 		}
3829 		else
3830 		{
3831 		    argtype = ARGTYPE_OTHER;
3832 		    break;
3833 		}
3834 	    }
3835 	}
3836 	else
3837 	    argtype = ARGTYPE_OTHER;
3838 
3839 	if (argtype != ARGTYPE_OTHER)
3840 	{
3841 	    if (i == *argc - 1)
3842 		mainerr_arg_missing((char_u *)argv[i]);
3843 	    if (argtype == ARGTYPE_SEND)
3844 	    {
3845 		*serverStr = (char_u *)argv[i + 1];
3846 		i++;
3847 	    }
3848 	    else
3849 	    {
3850 		*serverStr = build_drop_cmd(*argc - i - 1, argv + i + 1,
3851 					  tabs, argtype == ARGTYPE_EDIT_WAIT);
3852 		if (*serverStr == NULL)
3853 		{
3854 		    /* Probably out of memory, exit. */
3855 		    didone = TRUE;
3856 		    exiterr = 1;
3857 		    break;
3858 		}
3859 		Argc = i;
3860 	    }
3861 # ifdef FEAT_X11
3862 	    if (xterm_dpy == NULL)
3863 	    {
3864 		mch_errmsg(_("No display"));
3865 		ret = -1;
3866 	    }
3867 	    else
3868 		ret = serverSendToVim(xterm_dpy, sname, *serverStr,
3869 						  NULL, &srv, 0, 0, 0, silent);
3870 # else
3871 	    /* Win32 always works? */
3872 	    ret = serverSendToVim(sname, *serverStr, NULL, &srv, 0, 0, silent);
3873 # endif
3874 	    if (ret < 0)
3875 	    {
3876 		if (argtype == ARGTYPE_SEND)
3877 		{
3878 		    /* Failed to send, abort. */
3879 		    mch_errmsg(_(": Send failed.\n"));
3880 		    didone = TRUE;
3881 		    exiterr = 1;
3882 		}
3883 		else if (!silent)
3884 		    /* Let vim start normally.  */
3885 		    mch_errmsg(_(": Send failed. Trying to execute locally\n"));
3886 		break;
3887 	    }
3888 
3889 # ifdef FEAT_GUI_MSWIN
3890 	    /* Guess that when the server name starts with "g" it's a GUI
3891 	     * server, which we can bring to the foreground here.
3892 	     * Foreground() in the server doesn't work very well. */
3893 	    if (argtype != ARGTYPE_SEND && TOUPPER_ASC(*sname) == 'G')
3894 		SetForegroundWindow(srv);
3895 # endif
3896 
3897 	    /*
3898 	     * For --remote-wait: Wait until the server did edit each
3899 	     * file.  Also detect that the server no longer runs.
3900 	     */
3901 	    if (ret >= 0 && argtype == ARGTYPE_EDIT_WAIT)
3902 	    {
3903 		int	numFiles = *argc - i - 1;
3904 		int	j;
3905 		char_u  *done = alloc(numFiles);
3906 		char_u  *p;
3907 # ifdef FEAT_GUI_MSWIN
3908 		NOTIFYICONDATA ni;
3909 		int	count = 0;
3910 		extern HWND message_window;
3911 # endif
3912 
3913 		if (numFiles > 0 && argv[i + 1][0] == '+')
3914 		    /* Skip "+cmd" argument, don't wait for it to be edited. */
3915 		    --numFiles;
3916 
3917 # ifdef FEAT_GUI_MSWIN
3918 		ni.cbSize = sizeof(ni);
3919 		ni.hWnd = message_window;
3920 		ni.uID = 0;
3921 		ni.uFlags = NIF_ICON|NIF_TIP;
3922 		ni.hIcon = LoadIcon((HINSTANCE)GetModuleHandle(0), "IDR_VIM");
3923 		sprintf(ni.szTip, _("%d of %d edited"), count, numFiles);
3924 		Shell_NotifyIcon(NIM_ADD, &ni);
3925 # endif
3926 
3927 		/* Wait for all files to unload in remote */
3928 		vim_memset(done, 0, numFiles);
3929 		while (memchr(done, 0, numFiles) != NULL)
3930 		{
3931 # ifdef MSWIN
3932 		    p = serverGetReply(srv, NULL, TRUE, TRUE, 0);
3933 		    if (p == NULL)
3934 			break;
3935 # else
3936 		    if (serverReadReply(xterm_dpy, srv, &p, TRUE, -1) < 0)
3937 			break;
3938 # endif
3939 		    j = atoi((char *)p);
3940 		    if (j >= 0 && j < numFiles)
3941 		    {
3942 # ifdef FEAT_GUI_MSWIN
3943 			++count;
3944 			sprintf(ni.szTip, _("%d of %d edited"),
3945 							     count, numFiles);
3946 			Shell_NotifyIcon(NIM_MODIFY, &ni);
3947 # endif
3948 			done[j] = 1;
3949 		    }
3950 		}
3951 # ifdef FEAT_GUI_MSWIN
3952 		Shell_NotifyIcon(NIM_DELETE, &ni);
3953 # endif
3954 	    }
3955 	}
3956 	else if (STRICMP(argv[i], "--remote-expr") == 0)
3957 	{
3958 	    if (i == *argc - 1)
3959 		mainerr_arg_missing((char_u *)argv[i]);
3960 # ifdef MSWIN
3961 	    /* Win32 always works? */
3962 	    if (serverSendToVim(sname, (char_u *)argv[i + 1],
3963 						  &res, NULL, 1, 0, FALSE) < 0)
3964 # else
3965 	    if (xterm_dpy == NULL)
3966 		mch_errmsg(_("No display: Send expression failed.\n"));
3967 	    else if (serverSendToVim(xterm_dpy, sname, (char_u *)argv[i + 1],
3968 					       &res, NULL, 1, 0, 1, FALSE) < 0)
3969 # endif
3970 	    {
3971 		if (res != NULL && *res != NUL)
3972 		{
3973 		    /* Output error from remote */
3974 		    mch_errmsg((char *)res);
3975 		    VIM_CLEAR(res);
3976 		}
3977 		mch_errmsg(_(": Send expression failed.\n"));
3978 	    }
3979 	}
3980 	else if (STRICMP(argv[i], "--serverlist") == 0)
3981 	{
3982 # ifdef MSWIN
3983 	    /* Win32 always works? */
3984 	    res = serverGetVimNames();
3985 # else
3986 	    if (xterm_dpy != NULL)
3987 		res = serverGetVimNames(xterm_dpy);
3988 # endif
3989 	    if (called_emsg)
3990 		mch_errmsg("\n");
3991 	}
3992 	else if (STRICMP(argv[i], "--servername") == 0)
3993 	{
3994 	    /* Already processed. Take it out of the command line */
3995 	    i++;
3996 	    continue;
3997 	}
3998 	else
3999 	{
4000 	    *newArgV++ = argv[i];
4001 	    newArgC++;
4002 	    continue;
4003 	}
4004 	didone = TRUE;
4005 	if (res != NULL && *res != NUL)
4006 	{
4007 	    mch_msg((char *)res);
4008 	    if (res[STRLEN(res) - 1] != '\n')
4009 		mch_msg("\n");
4010 	}
4011 	vim_free(res);
4012     }
4013 
4014     if (didone)
4015     {
4016 	display_errors();	/* display any collected messages */
4017 	exit(exiterr);	/* Mission accomplished - get out */
4018     }
4019 
4020     /* Return back into main() */
4021     *argc = newArgC;
4022     vim_free(sname);
4023 }
4024 
4025 /*
4026  * Build a ":drop" command to send to a Vim server.
4027  */
4028     static char_u *
4029 build_drop_cmd(
4030     int		filec,
4031     char	**filev,
4032     int		tabs,		/* Use ":tab drop" instead of ":drop". */
4033     int		sendReply)
4034 {
4035     garray_T	ga;
4036     int		i;
4037     char_u	*inicmd = NULL;
4038     char_u	*p;
4039     char_u	*cdp;
4040     char_u	*cwd;
4041 
4042     if (filec > 0 && filev[0][0] == '+')
4043     {
4044 	inicmd = (char_u *)filev[0] + 1;
4045 	filev++;
4046 	filec--;
4047     }
4048     /* Check if we have at least one argument. */
4049     if (filec <= 0)
4050 	mainerr_arg_missing((char_u *)filev[-1]);
4051 
4052     /* Temporarily cd to the current directory to handle relative file names. */
4053     cwd = alloc(MAXPATHL);
4054     if (cwd == NULL)
4055 	return NULL;
4056     if (mch_dirname(cwd, MAXPATHL) != OK)
4057     {
4058 	vim_free(cwd);
4059 	return NULL;
4060     }
4061     cdp = vim_strsave_escaped_ext(cwd,
4062 #ifdef BACKSLASH_IN_FILENAME
4063 		    (char_u *)"",  /* rem_backslash() will tell what chars to escape */
4064 #else
4065 		    PATH_ESC_CHARS,
4066 #endif
4067 		    '\\', TRUE);
4068     vim_free(cwd);
4069     if (cdp == NULL)
4070 	return NULL;
4071     ga_init2(&ga, 1, 100);
4072     ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
4073     ga_concat(&ga, cdp);
4074 
4075     /* Call inputsave() so that a prompt for an encryption key works. */
4076     ga_concat(&ga, (char_u *)"<CR>:if exists('*inputsave')|call inputsave()|endif|");
4077     if (tabs)
4078 	ga_concat(&ga, (char_u *)"tab ");
4079     ga_concat(&ga, (char_u *)"drop");
4080     for (i = 0; i < filec; i++)
4081     {
4082 	/* On Unix the shell has already expanded the wildcards, don't want to
4083 	 * do it again in the Vim server.  On MS-Windows only escape
4084 	 * non-wildcard characters. */
4085 	p = vim_strsave_escaped((char_u *)filev[i],
4086 #ifdef UNIX
4087 		PATH_ESC_CHARS
4088 #else
4089 		(char_u *)" \t%#"
4090 #endif
4091 		);
4092 	if (p == NULL)
4093 	{
4094 	    vim_free(ga.ga_data);
4095 	    return NULL;
4096 	}
4097 	ga_concat(&ga, (char_u *)" ");
4098 	ga_concat(&ga, p);
4099 	vim_free(p);
4100     }
4101     ga_concat(&ga, (char_u *)"|if exists('*inputrestore')|call inputrestore()|endif<CR>");
4102 
4103     /* The :drop commands goes to Insert mode when 'insertmode' is set, use
4104      * CTRL-\ CTRL-N again. */
4105     ga_concat(&ga, (char_u *)"<C-\\><C-N>");
4106 
4107     /* Switch back to the correct current directory (prior to temporary path
4108      * switch) unless 'autochdir' is set, in which case it will already be
4109      * correct after the :drop command. With line breaks and spaces:
4110      *  if !exists('+acd') || !&acd
4111      *    if haslocaldir()
4112      *	    cd -
4113      *      lcd -
4114      *    elseif getcwd() ==# 'current path'
4115      *      cd -
4116      *    endif
4117      *  endif
4118      */
4119     ga_concat(&ga, (char_u *)":if !exists('+acd')||!&acd|if haslocaldir()|");
4120     ga_concat(&ga, (char_u *)"cd -|lcd -|elseif getcwd() ==# '");
4121     ga_concat(&ga, cdp);
4122     ga_concat(&ga, (char_u *)"'|cd -|endif|endif<CR>");
4123     vim_free(cdp);
4124 
4125     if (sendReply)
4126 	ga_concat(&ga, (char_u *)":call SetupRemoteReplies()<CR>");
4127     ga_concat(&ga, (char_u *)":");
4128     if (inicmd != NULL)
4129     {
4130 	/* Can't use <CR> after "inicmd", because an "startinsert" would cause
4131 	 * the following commands to be inserted as text.  Use a "|",
4132 	 * hopefully "inicmd" does allow this... */
4133 	ga_concat(&ga, inicmd);
4134 	ga_concat(&ga, (char_u *)"|");
4135     }
4136     /* Bring the window to the foreground, goto Insert mode when 'im' set and
4137      * clear command line. */
4138     ga_concat(&ga, (char_u *)"cal foreground()|if &im|star|en|redr|f<CR>");
4139     ga_append(&ga, NUL);
4140     return ga.ga_data;
4141 }
4142 
4143 /*
4144  * Make our basic server name: use the specified "arg" if given, otherwise use
4145  * the tail of the command "cmd" we were started with.
4146  * Return the name in allocated memory.  This doesn't include a serial number.
4147  */
4148     static char_u *
4149 serverMakeName(char_u *arg, char *cmd)
4150 {
4151     char_u *p;
4152 
4153     if (arg != NULL && *arg != NUL)
4154 	p = vim_strsave_up(arg);
4155     else
4156     {
4157 	p = vim_strsave_up(gettail((char_u *)cmd));
4158 	/* Remove .exe or .bat from the name. */
4159 	if (p != NULL && vim_strchr(p, '.') != NULL)
4160 	    *vim_strchr(p, '.') = NUL;
4161     }
4162     return p;
4163 }
4164 #endif /* FEAT_CLIENTSERVER */
4165 
4166 #if defined(FEAT_CLIENTSERVER) || defined(PROTO)
4167 /*
4168  * Replace termcodes such as <CR> and insert as key presses if there is room.
4169  */
4170     void
4171 server_to_input_buf(char_u *str)
4172 {
4173     char_u      *ptr = NULL;
4174     char_u      *cpo_save = p_cpo;
4175 
4176     /* Set 'cpoptions' the way we want it.
4177      *    B set - backslashes are *not* treated specially
4178      *    k set - keycodes are *not* reverse-engineered
4179      *    < unset - <Key> sequences *are* interpreted
4180      *  The last but one parameter of replace_termcodes() is TRUE so that the
4181      *  <lt> sequence is recognised - needed for a real backslash.
4182      */
4183     p_cpo = (char_u *)"Bk";
4184     str = replace_termcodes((char_u *)str, &ptr, FALSE, TRUE, FALSE);
4185     p_cpo = cpo_save;
4186 
4187     if (*ptr != NUL)	/* trailing CTRL-V results in nothing */
4188     {
4189 	/*
4190 	 * Add the string to the input stream.
4191 	 * Can't use add_to_input_buf() here, we now have K_SPECIAL bytes.
4192 	 *
4193 	 * First clear typed characters from the typeahead buffer, there could
4194 	 * be half a mapping there.  Then append to the existing string, so
4195 	 * that multiple commands from a client are concatenated.
4196 	 */
4197 	if (typebuf.tb_maplen < typebuf.tb_len)
4198 	    del_typebuf(typebuf.tb_len - typebuf.tb_maplen, typebuf.tb_maplen);
4199 	(void)ins_typebuf(str, REMAP_NONE, typebuf.tb_len, TRUE, FALSE);
4200 
4201 	/* Let input_available() know we inserted text in the typeahead
4202 	 * buffer. */
4203 	typebuf_was_filled = TRUE;
4204     }
4205     vim_free((char_u *)ptr);
4206 }
4207 
4208 /*
4209  * Evaluate an expression that the client sent to a string.
4210  */
4211     char_u *
4212 eval_client_expr_to_string(char_u *expr)
4213 {
4214     char_u	*res;
4215     int		save_dbl = debug_break_level;
4216     int		save_ro = redir_off;
4217     funccal_entry_T funccal_entry;
4218     int		did_save_funccal = FALSE;
4219 
4220     /* Evaluate the expression at the toplevel, don't use variables local to
4221      * the calling function. Except when in debug mode. */
4222     if (!debug_mode)
4223     {
4224 	save_funccal(&funccal_entry);
4225 	did_save_funccal = TRUE;
4226     }
4227 
4228      /* Disable debugging, otherwise Vim hangs, waiting for "cont" to be
4229       * typed. */
4230     debug_break_level = -1;
4231     redir_off = 0;
4232     /* Do not display error message, otherwise Vim hangs, waiting for "cont"
4233      * to be typed.  Do generate errors so that try/catch works. */
4234     ++emsg_silent;
4235 
4236     res = eval_to_string(expr, NULL, TRUE);
4237 
4238     debug_break_level = save_dbl;
4239     redir_off = save_ro;
4240     --emsg_silent;
4241     if (emsg_silent < 0)
4242 	emsg_silent = 0;
4243     if (did_save_funccal)
4244 	restore_funccal();
4245 
4246     /* A client can tell us to redraw, but not to display the cursor, so do
4247      * that here. */
4248     setcursor();
4249     out_flush_cursor(FALSE, FALSE);
4250 
4251     return res;
4252 }
4253 
4254 /*
4255  * Evaluate a command or expression sent to ourselves.
4256  */
4257     int
4258 sendToLocalVim(char_u *cmd, int asExpr, char_u **result)
4259 {
4260     if (asExpr)
4261     {
4262 	char_u *ret;
4263 
4264 	ret = eval_client_expr_to_string(cmd);
4265 	if (result != NULL)
4266 	{
4267 	    if (ret == NULL)
4268 	    {
4269 		char	*err = _(e_invexprmsg);
4270 		size_t	len = STRLEN(cmd) + STRLEN(err) + 5;
4271 		char_u	*msg;
4272 
4273 		msg = alloc(len);
4274 		if (msg != NULL)
4275 		    vim_snprintf((char *)msg, len, "%s: \"%s\"", err, cmd);
4276 		*result = msg;
4277 	    }
4278 	    else
4279 		*result = ret;
4280 	}
4281 	else
4282 	    vim_free(ret);
4283 	return ret == NULL ? -1 : 0;
4284     }
4285     server_to_input_buf(cmd);
4286     return 0;
4287 }
4288 
4289 /*
4290  * If conversion is needed, convert "data" from "client_enc" to 'encoding' and
4291  * return an allocated string.  Otherwise return "data".
4292  * "*tofree" is set to the result when it needs to be freed later.
4293  */
4294     char_u *
4295 serverConvert(
4296     char_u *client_enc UNUSED,
4297     char_u *data,
4298     char_u **tofree)
4299 {
4300     char_u	*res = data;
4301 
4302     *tofree = NULL;
4303     if (client_enc != NULL && p_enc != NULL)
4304     {
4305 	vimconv_T	vimconv;
4306 
4307 	vimconv.vc_type = CONV_NONE;
4308 	if (convert_setup(&vimconv, client_enc, p_enc) != FAIL
4309 					      && vimconv.vc_type != CONV_NONE)
4310 	{
4311 	    res = string_convert(&vimconv, data, NULL);
4312 	    if (res == NULL)
4313 		res = data;
4314 	    else
4315 		*tofree = res;
4316 	}
4317 	convert_setup(&vimconv, NULL, NULL);
4318     }
4319     return res;
4320 }
4321 #endif
4322