Merge branch 'vim' into master

[MacVim.git] / src / main.c

/* vi:set ts=8 sts=4 sw=4:
 *
 * VIM - Vi IMproved    by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 * See README.txt for an overview of the Vim source code.
 */

#if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
# include "vimio.h"             /* for close() and dup() */
#endif

#define EXTERN
#include "vim.h"

#ifdef SPAWNO
# include <spawno.h>            /* special MS-DOS swapping library */
#endif

#ifdef __CYGWIN__
# ifndef WIN32
#  include <cygwin/version.h>
#  include <sys/cygwin.h>       /* for cygwin_conv_to_posix_path() and/or
                                 * cygwin_conv_path() */
# endif
# include <limits.h>
#endif

#if FEAT_GUI_MACVIM
#include <objc/objc-runtime.h>  /* for objc_*() and sel_*() */
#endif

/* Maximum number of commands from + or -c arguments. */
#define MAX_ARG_CMDS 10

/* values for "window_layout" */
#define WIN_HOR     1       /* "-o" horizontally split windows */
#define WIN_VER     2       /* "-O" vertically split windows */
#define WIN_TABS    3       /* "-p" windows on tab pages */

/* Struct for various parameters passed between main() and other functions. */
typedef struct
{
    int         argc;
    char        **argv;

    int         evim_mode;              /* started as "evim" */
    char_u      *use_vimrc;             /* vimrc from -u argument */

    int         n_commands;                  /* no. of commands from + or -c */
    char_u      *commands[MAX_ARG_CMDS];     /* commands from + or -c arg. */
    char_u      cmds_tofree[MAX_ARG_CMDS];   /* commands that need free() */
    int         n_pre_commands;              /* no. of commands from --cmd */
    char_u      *pre_commands[MAX_ARG_CMDS]; /* commands from --cmd argument */

    int         edit_type;              /* type of editing to do */
    char_u      *tagname;               /* tag from -t argument */
#ifdef FEAT_QUICKFIX
    char_u      *use_ef;                /* 'errorfile' from -q argument */
#endif

    int         want_full_screen;
    int         stdout_isatty;          /* is stdout a terminal? */
    char_u      *term;                  /* specified terminal name */
#ifdef FEAT_CRYPT
    int         ask_for_key;            /* -x argument */
#endif
    int         no_swap_file;           /* "-n" argument used */
#ifdef FEAT_EVAL
    int         use_debug_break_level;
#endif
#ifdef FEAT_WINDOWS
    int         window_count;           /* number of windows to use */
    int         window_layout;          /* 0, WIN_HOR, WIN_VER or WIN_TABS */
#endif

#ifdef FEAT_CLIENTSERVER
    int         serverArg;              /* TRUE when argument for a server */
    char_u      *serverName_arg;        /* cmdline arg for server name */
    char_u      *serverStr;             /* remote server command */
    char_u      *serverStrEnc;          /* encoding of serverStr */
    char_u      *servername;            /* allocated name for our server */
#endif
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
    int         literal;                /* don't expand file names */
#endif
#ifdef MSWIN
    int         full_path;              /* file name argument was full path */
#endif
#ifdef FEAT_DIFF
    int         diff_mode;              /* start with 'diff' set */
#endif
} mparm_T;

/* Values for edit_type. */
#define EDIT_NONE   0       /* no edit type yet */
#define EDIT_FILE   1       /* file name argument[s] given, use argument list */
#define EDIT_STDIN  2       /* read file from stdin */
#define EDIT_TAG    3       /* tag name argument given, use tagname */
#define EDIT_QF     4       /* start in quickfix mode */

#if defined(UNIX) || defined(VMS)
static int file_owned __ARGS((char *fname));
#endif
static void mainerr __ARGS((int, char_u *));
static void main_msg __ARGS((char *s));
static void usage __ARGS((void));
static int get_number_arg __ARGS((char_u *p, int *idx, int def));
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
static void init_locale __ARGS((void));
#endif
static void parse_command_name __ARGS((mparm_T *parmp));
static void early_arg_scan __ARGS((mparm_T *parmp));
static void command_line_scan __ARGS((mparm_T *parmp));
static void check_tty __ARGS((mparm_T *parmp));
static void read_stdin __ARGS((void));
static void create_windows __ARGS((mparm_T *parmp));
#ifdef FEAT_WINDOWS
static void edit_buffers __ARGS((mparm_T *parmp));
#endif
static void exe_pre_commands __ARGS((mparm_T *parmp));
static void exe_commands __ARGS((mparm_T *parmp));
static void source_startup_scripts __ARGS((mparm_T *parmp));
static void main_start_gui __ARGS((void));
#if defined(HAS_SWAP_EXISTS_ACTION)
static void check_swap_exists_action __ARGS((void));
#endif
#ifdef FEAT_CLIENTSERVER
static void exec_on_server __ARGS((mparm_T *parmp));
static void prepare_server __ARGS((mparm_T *parmp));
static void cmdsrv_main __ARGS((int *argc, char **argv, char_u *serverName_arg, char_u **serverStr));
static char_u *serverMakeName __ARGS((char_u *arg, char *cmd));
#endif


#ifdef STARTUPTIME
static FILE *time_fd = NULL;
#endif

/*
 * Different types of error messages.
 */
static char *(main_errors[]) =
{
    N_("Unknown option argument"),
#define ME_UNKNOWN_OPTION       0
    N_("Too many edit arguments"),
#define ME_TOO_MANY_ARGS        1
    N_("Argument missing after"),
#define ME_ARG_MISSING          2
    N_("Garbage after option argument"),
#define ME_GARBAGE              3
    N_("Too many \"+command\", \"-c command\" or \"--cmd command\" arguments"),
#define ME_EXTRA_CMD            4
    N_("Invalid argument for"),
#define ME_INVALID_ARG          5
};

#ifndef PROTO       /* don't want a prototype for main() */
    int
# ifdef VIMDLL
_export
# endif
# ifdef FEAT_GUI_MSWIN
#  ifdef __BORLANDC__
_cdecl
#  endif
VimMain
# else
main
# endif
(argc, argv)
    int         argc;
    char        **argv;
{
    char_u      *fname = NULL;          /* file name from command line */
    mparm_T     params;                 /* various parameters passed between
                                         * main() and other functions. */

#if FEAT_GUI_MACVIM
    // Cocoa needs an NSAutoreleasePool in place or it will leak memory.
    // This particular pool will hold autorelease objects created during
    // initialization.
    id autoreleasePool = objc_msgSend(objc_msgSend(
            objc_getClass("NSAutoreleasePool"),sel_getUid("alloc")
            ), sel_getUid("init"));
#endif

    /*
     * Do any system-specific initialisations.  These can NOT use IObuff or
     * NameBuff.  Thus emsg2() cannot be called!
     */
    mch_early_init();

    /* Many variables are in "params" so that we can pass them to invoked
     * functions without a lot of arguments.  "argc" and "argv" are also
     * copied, so that they can be changed. */
    vim_memset(&params, 0, sizeof(params));
    params.argc = argc;
    params.argv = argv;
    params.want_full_screen = TRUE;
#ifdef FEAT_EVAL
    params.use_debug_break_level = -1;
#endif
#ifdef FEAT_WINDOWS
    params.window_count = -1;
#endif

#ifdef FEAT_TCL
    vim_tcl_init(params.argv[0]);
#endif

#ifdef MEM_PROFILE
    atexit(vim_mem_profile_dump);
#endif

#ifdef STARTUPTIME
    time_fd = mch_fopen(STARTUPTIME, "a");
    TIME_MSG("--- VIM STARTING ---");
#endif
    starttime = time(NULL);

#ifdef __EMX__
    _wildcard(&params.argc, &params.argv);
#endif

#ifdef FEAT_MBYTE
    (void)mb_init();    /* init mb_bytelen_tab[] to ones */
#endif
#ifdef FEAT_EVAL
    eval_init();        /* init global variables */
#endif

#ifdef __QNXNTO__
    qnx_init();         /* PhAttach() for clipboard, (and gui) */
#endif

#ifdef MAC_OS_CLASSIC
    /* Prepare for possibly starting GUI sometime */
    /* Macintosh needs this before any memory is allocated. */
    gui_prepare(&params.argc, params.argv);
    TIME_MSG("GUI prepared");
#endif

    /* Init the table of Normal mode commands. */
    init_normal_cmds();

#if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
    make_version();     /* Construct the long version string. */
#endif

    /*
     * Allocate space for the generic buffers (needed for set_init_1() and
     * EMSG2()).
     */
    if ((IObuff = alloc(IOSIZE)) == NULL
            || (NameBuff = alloc(MAXPATHL)) == NULL)
        mch_exit(0);
    TIME_MSG("Allocated generic buffers");

#ifdef NBDEBUG
    /* Wait a moment for debugging NetBeans.  Must be after allocating
     * NameBuff. */
    nbdebug_log_init("SPRO_GVIM_DEBUG", "SPRO_GVIM_DLEVEL");
    nbdebug_wait(WT_ENV | WT_WAIT | WT_STOP, "SPRO_GVIM_WAIT", 20);
    TIME_MSG("NetBeans debug wait");
#endif

#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
    /*
     * Setup to use the current locale (for ctype() and many other things).
     * NOTE: Translated messages with encodings other than latin1 will not
     * work until set_init_1() has been called!
     */
    init_locale();
    TIME_MSG("locale set");
#endif

#ifdef FEAT_GUI
    gui.dofork = TRUE;              /* default is to use fork() */
#endif

    /*
     * Do a first scan of the arguments in "argv[]":
     *   -display or --display
     *   --server...
     *   --socketid
     *   --windowid
     */
    early_arg_scan(&params);

#ifdef FEAT_SUN_WORKSHOP
    findYourself(params.argv[0]);
#endif
#if defined(FEAT_GUI) && !defined(MAC_OS_CLASSIC)
    /* Prepare for possibly starting GUI sometime */
    gui_prepare(&params.argc, params.argv);
    TIME_MSG("GUI prepared");
#endif

#ifdef FEAT_CLIPBOARD
    clip_init(FALSE);           /* Initialise clipboard stuff */
    TIME_MSG("clipboard setup");
#endif

    /*
     * Check if we have an interactive window.
     * On the Amiga: If there is no window, we open one with a newcli command
     * (needed for :! to * work). mch_check_win() will also handle the -d or
     * -dev argument.
     */
    params.stdout_isatty = (mch_check_win(params.argc, params.argv) != FAIL);
    TIME_MSG("window checked");

    /*
     * Allocate the first window and buffer.
     * Can't do anything without it, exit when it fails.
     */
    if (win_alloc_first() == FAIL)
        mch_exit(0);

    init_yank();                /* init yank buffers */

    alist_init(&global_alist);  /* Init the argument list to empty. */

    /*
     * Set the default values for the options.
     * NOTE: Non-latin1 translated messages are working only after this,
     * because this is where "has_mbyte" will be set, which is used by
     * msg_outtrans_len_attr().
     * First find out the home directory, needed to expand "~" in options.
     */
    init_homedir();             /* find real value of $HOME */
    set_init_1();
    TIME_MSG("inits 1");

#ifdef FEAT_EVAL
    set_lang_var();             /* set v:lang and v:ctype */
#endif

#ifdef FEAT_CLIENTSERVER
    /*
     * Do the client-server stuff, unless "--servername ''" was used.
     * This may exit Vim if the command was sent to the server.
     */
    exec_on_server(&params);
#endif

    /*
     * Figure out the way to work from the command name argv[0].
     * "vimdiff" starts diff mode, "rvim" sets "restricted", etc.
     */
    parse_command_name(&params);

    /*
     * Process the command line arguments.  File names are put in the global
     * argument list "global_alist".
     */
    command_line_scan(&params);
    TIME_MSG("parsing arguments");

    /*
     * On some systems, when we compile with the GUI, we always use it.  On Mac
     * there is no terminal version, and on Windows we can't fork one off with
     * :gui.
     */
#ifdef ALWAYS_USE_GUI
    gui.starting = TRUE;
#else
# if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
    /*
     * Check if the GUI can be started.  Reset gui.starting if not.
     * Don't know about other systems, stay on the safe side and don't check.
     */
    if (gui.starting && gui_init_check() == FAIL)
    {
        gui.starting = FALSE;

        /* When running "evim" or "gvim -y" we need the menus, exit if we
         * don't have them. */
        if (params.evim_mode)
            mch_exit(1);
    }
# endif
#endif

    if (GARGCOUNT > 0)
    {
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
        /*
         * Expand wildcards in file names.
         */
        if (!params.literal)
        {
            /* Temporarily add '(' and ')' to 'isfname'.  These are valid
             * filename characters but are excluded from 'isfname' to make
             * "gf" work on a file name in parenthesis (e.g.: see vim.h). */
            do_cmdline_cmd((char_u *)":set isf+=(,)");
            alist_expand(NULL, 0);
            do_cmdline_cmd((char_u *)":set isf&");
        }
#endif
        fname = alist_name(&GARGLIST[0]);
    }

#if defined(WIN32) && defined(FEAT_MBYTE)
    {
        extern void set_alist_count(void);

        /* Remember the number of entries in the argument list.  If it changes
         * we don't react on setting 'encoding'. */
        set_alist_count();
    }
#endif

#ifdef MSWIN
    if (GARGCOUNT == 1 && params.full_path)
    {
        /*
         * If there is one filename, fully qualified, we have very probably
         * been invoked from explorer, so change to the file's directory.
         * Hint: to avoid this when typing a command use a forward slash.
         * If the cd fails, it doesn't matter.
         */
        (void)vim_chdirfile(fname);
    }
#endif
    TIME_MSG("expanding arguments");

#ifdef FEAT_DIFF
    if (params.diff_mode && params.window_count == -1)
        params.window_count = 0;        /* open up to 3 windows */
#endif

    /* Don't redraw until much later. */
    ++RedrawingDisabled;

    /*
     * When listing swap file names, don't do cursor positioning et. al.
     */
    if (recoverymode && fname == NULL)
        params.want_full_screen = FALSE;

    /*
     * When certain to start the GUI, don't check capabilities of terminal.
     * For GTK we can't be sure, but when started from the desktop it doesn't
     * make sense to try using a terminal.
     */
#if defined(ALWAYS_USE_GUI) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
    if (gui.starting
# ifdef FEAT_GUI_GTK
            && !isatty(2)
# endif
            )
        params.want_full_screen = FALSE;
#endif

#if (defined(FEAT_GUI_MAC) || defined(FEAT_GUI_MACVIM)) && defined(MACOS_X_UNIX)
    /* When the GUI is started from Finder, need to display messages in a
     * message box.  isatty(2) returns TRUE anyway, thus we need to check the
     * name to know we're not started from a terminal. */
    if (gui.starting && (!isatty(2) || strcmp("/dev/console", ttyname(2)) == 0))
    {
        params.want_full_screen = FALSE;

# ifndef FEAT_GUI_MACVIM
        /* Avoid always using "/" as the current directory.  Note that when
         * started from Finder the arglist will be filled later in
         * HandleODocAE() and "fname" will be NULL. */
        if (getcwd((char *)NameBuff, MAXPATHL) != NULL
                                                && STRCMP(NameBuff, "/") == 0)
        {
            if (fname != NULL)
                (void)vim_chdirfile(fname);
            else
            {
                expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
                vim_chdir(NameBuff);
            }
        }
# endif
    }
#endif

    /*
     * mch_init() sets up the terminal (window) for use.  This must be
     * done after resetting full_screen, otherwise it may move the cursor
     * (MSDOS).
     * Note that we may use mch_exit() before mch_init()!
     */
    mch_init();
    TIME_MSG("shell init");

#ifdef USE_XSMP
    /*
     * For want of anywhere else to do it, try to connect to xsmp here.
     * Fitting it in after gui_mch_init, but before gui_init (via termcapinit).
     * Hijacking -X 'no X connection' to also disable XSMP connection as that
     * has a similar delay upon failure.
     * Only try if SESSION_MANAGER is set to something non-null.
     */
    if (!x_no_connect)
    {
        char *p = getenv("SESSION_MANAGER");

        if (p != NULL && *p != NUL)
        {
            xsmp_init();
            TIME_MSG("xsmp init");
        }
    }
#endif

    /*
     * Print a warning if stdout is not a terminal.
     */
    check_tty(&params);

    /* This message comes before term inits, but after setting "silent_mode"
     * when the input is not a tty. */
    if (GARGCOUNT > 1 && !silent_mode)
        printf(_("%d files to edit\n"), GARGCOUNT);

    if (params.want_full_screen && !silent_mode)
    {
        termcapinit(params.term);       /* set terminal name and get terminal
                                   capabilities (will set full_screen) */
        screen_start();         /* don't know where cursor is now */
        TIME_MSG("Termcap init");
    }

    /*
     * Set the default values for the options that use Rows and Columns.
     */
    ui_get_shellsize();         /* inits Rows and Columns */
#ifdef FEAT_NETBEANS_INTG
    if (usingNetbeans)
        Columns += 2;           /* leave room for glyph gutter */
#endif
    win_init_size();
#ifdef FEAT_DIFF
    /* Set the 'diff' option now, so that it can be checked for in a .vimrc
     * file.  There is no buffer yet though. */
    if (params.diff_mode)
        diff_win_options(firstwin, FALSE);
#endif

    cmdline_row = Rows - p_ch;
    msg_row = cmdline_row;
    screenalloc(FALSE);         /* allocate screen buffers */
    set_init_2();
    TIME_MSG("inits 2");

    msg_scroll = TRUE;
    no_wait_return = TRUE;

    init_mappings();            /* set up initial mappings */

    init_highlight(TRUE, FALSE); /* set the default highlight groups */
    TIME_MSG("init highlight");

#ifdef FEAT_EVAL
    /* Set the break level after the terminal is initialized. */
    debug_break_level = params.use_debug_break_level;
#endif

    /* Execute --cmd arguments. */
    exe_pre_commands(&params);

    /* Source startup scripts. */
    source_startup_scripts(&params);

#ifdef FEAT_EVAL
    /*
     * Read all the plugin files.
     * Only when compiled with +eval, since most plugins need it.
     */
    if (p_lpl)
    {
# ifdef VMS     /* Somehow VMS doesn't handle the "**". */
        source_runtime((char_u *)"plugin/*.vim", TRUE);
# else
        source_runtime((char_u *)"plugin/**/*.vim", TRUE);
# endif
        TIME_MSG("loading plugins");
    }
#endif

#ifdef FEAT_DIFF
    /* Decide about window layout for diff mode after reading vimrc. */
    if (params.diff_mode && params.window_layout == 0)
    {
        if (diffopt_horizontal())
            params.window_layout = WIN_HOR;     /* use horizontal split */
        else
            params.window_layout = WIN_VER;     /* use vertical split */
    }
#endif

    /*
     * Recovery mode without a file name: List swap files.
     * This uses the 'dir' option, therefore it must be after the
     * initializations.
     */
    if (recoverymode && fname == NULL)
    {
        recover_names(NULL, TRUE, 0);
        mch_exit(0);
    }

    /*
     * Set a few option defaults after reading .vimrc files:
     * 'title' and 'icon', Unix: 'shellpipe' and 'shellredir'.
     */
    set_init_3();
    TIME_MSG("inits 3");

    /*
     * "-n" argument: Disable swap file by setting 'updatecount' to 0.
     * Note that this overrides anything from a vimrc file.
     */
    if (params.no_swap_file)
        p_uc = 0;

#ifdef FEAT_FKMAP
    if (curwin->w_p_rl && p_altkeymap)
    {
        p_hkmap = FALSE;        /* Reset the Hebrew keymap mode */
# ifdef FEAT_ARABIC
        curwin->w_p_arab = FALSE; /* Reset the Arabic keymap mode */
# endif
        p_fkmap = TRUE;         /* Set the Farsi keymap mode */
    }
#endif

#ifdef FEAT_GUI
    if (gui.starting)
    {
#if defined(UNIX) || defined(VMS)
        /* When something caused a message from a vimrc script, need to output
         * an extra newline before the shell prompt. */
        if (did_emsg || msg_didout)
            putchar('\n');
#endif

        gui_start();            /* will set full_screen to TRUE */
        TIME_MSG("starting GUI");

        /* When running "evim" or "gvim -y" we need the menus, exit if we
         * don't have them. */
        if (!gui.in_use && params.evim_mode)
            mch_exit(1);
    }
#endif

#ifdef SPAWNO           /* special MSDOS swapping library */
    init_SPAWNO("", SWAP_ANY);
#endif

#ifdef FEAT_VIMINFO
    /*
     * Read in registers, history etc, but not marks, from the viminfo file
     */
    if (*p_viminfo != NUL)
    {
        read_viminfo(NULL, TRUE, FALSE, FALSE);
        TIME_MSG("reading viminfo");
    }
#endif

#ifdef FEAT_QUICKFIX
    /*
     * "-q errorfile": Load the error file now.
     * If the error file can't be read, exit before doing anything else.
     */
    if (params.edit_type == EDIT_QF)
    {
        if (params.use_ef != NULL)
            set_string_option_direct((char_u *)"ef", -1,
                                           params.use_ef, OPT_FREE, SID_CARG);
        if (qf_init(NULL, p_ef, p_efm, TRUE) < 0)
        {
            out_char('\n');
            mch_exit(3);
        }
        TIME_MSG("reading errorfile");
    }
#endif

    /*
     * Start putting things on the screen.
     * Scroll screen down before drawing over it
     * Clear screen now, so file message will not be cleared.
     */
    starting = NO_BUFFERS;
    no_wait_return = FALSE;
    if (!exmode_active)
        msg_scroll = FALSE;

#ifdef FEAT_GUI
    /*
     * This seems to be required to make callbacks to be called now, instead
     * of after things have been put on the screen, which then may be deleted
     * when getting a resize callback.
     * For the Mac this handles putting files dropped on the Vim icon to
     * global_alist.
     */
    if (gui.in_use)
    {
# ifdef FEAT_SUN_WORKSHOP
        if (!usingSunWorkShop)
# endif
            gui_wait_for_chars(50L);
        TIME_MSG("GUI delay");
    }
#endif

#if defined(FEAT_GUI_PHOTON) && defined(FEAT_CLIPBOARD)
    qnx_clip_init();
#endif

#ifdef FEAT_XCLIPBOARD
    /* Start using the X clipboard, unless the GUI was started. */
# ifdef FEAT_GUI
    if (!gui.in_use)
# endif
    {
        setup_term_clip();
        TIME_MSG("setup clipboard");
    }
#endif

#ifdef FEAT_CLIENTSERVER
    /* Prepare for being a Vim server. */
    prepare_server(&params);
#endif

    /*
     * If "-" argument given: Read file from stdin.
     * Do this before starting Raw mode, because it may change things that the
     * writing end of the pipe doesn't like, e.g., in case stdin and stderr
     * are the same terminal: "cat | vim -".
     * Using autocommands here may cause trouble...
     */
    if (params.edit_type == EDIT_STDIN && !recoverymode)
        read_stdin();

#if defined(UNIX) || defined(VMS)
    /* When switching screens and something caused a message from a vimrc
     * script, need to output an extra newline on exit. */
    if ((did_emsg || msg_didout) && *T_TI != NUL)
        newline_on_exit = TRUE;
#endif

    /*
     * When done something that is not allowed or error message call
     * wait_return.  This must be done before starttermcap(), because it may
     * switch to another screen. It must be done after settmode(TMODE_RAW),
     * because we want to react on a single key stroke.
     * Call settmode and starttermcap here, so the T_KS and T_TI may be
     * defined by termcapinit and redefined in .exrc.
     */
    settmode(TMODE_RAW);
    TIME_MSG("setting raw mode");

    if (need_wait_return || msg_didany)
    {
        wait_return(TRUE);
        TIME_MSG("waiting for return");
    }

    starttermcap();         /* start termcap if not done by wait_return() */
    TIME_MSG("start termcap");

#ifdef FEAT_MOUSE
    setmouse();                         /* may start using the mouse */
#endif
    if (scroll_region)
        scroll_region_reset();          /* In case Rows changed */
    scroll_start();     /* may scroll the screen to the right position */

    /*
     * Don't clear the screen when starting in Ex mode, unless using the GUI.
     */
    if (exmode_active
#ifdef FEAT_GUI
                        && !gui.in_use
#endif
                                        )
        must_redraw = CLEAR;
    else
    {
        screenclear();                  /* clear screen */
        TIME_MSG("clearing screen");
    }

#ifdef FEAT_CRYPT
    if (params.ask_for_key)
    {
        (void)get_crypt_key(TRUE, TRUE);
        TIME_MSG("getting crypt key");
    }
#endif

    no_wait_return = TRUE;

#ifdef FEAT_GUI_MACVIM
    /* We want to delay calling this function for as long as possible, since it
     * will result in faster startup for cached processes.  However, we react
     * before create_windows() so that we can open files by adding to the
     * arglist. */
    gui_macvim_wait_for_startup();

    /* Since MacVim may receive the list of files to open via an Apple event
     * (as opposed to from the command line) we must manually check to see if
     * the window layout should be changed. */
    gui_macvim_get_window_layout(&params.window_count, &params.window_layout);

# ifdef MAC_CLIENTSERVER
    // NOTE: Can't set server name at same time as WIN32 because gui.in_use
    // isn't set then.  Servers are only supported in GUI mode.
    // Also, in case the above call blocks this process another Vim process may
    // open in the meantime.  If it did then it could be named e.g. VIM3
    // whereas this may be VIM2, which looks weird.
    if (params.servername != NULL && gui.in_use)
    {
        serverRegisterName(params.servername);
        vim_free(params.servername);
        params.servername = NULL;
    }
# endif
#endif

    /*
     * Create the requested number of windows and edit buffers in them.
     * Also does recovery if "recoverymode" set.
     */
    create_windows(&params);
    TIME_MSG("opening buffers");

#ifdef FEAT_EVAL
    /* clear v:swapcommand */
    set_vim_var_string(VV_SWAPCOMMAND, NULL, -1);
#endif

    /* Ex starts at last line of the file */
    if (exmode_active)
        curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;

#ifdef FEAT_AUTOCMD
    apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf);
    TIME_MSG("BufEnter autocommands");
#endif
    setpcmark();

#ifdef FEAT_QUICKFIX
    /*
     * When started with "-q errorfile" jump to first error now.
     */
    if (params.edit_type == EDIT_QF)
    {
        qf_jump(NULL, 0, 0, FALSE);
        TIME_MSG("jump to first error");
    }
#endif

#ifdef FEAT_WINDOWS
    /*
     * If opened more than one window, start editing files in the other
     * windows.
     */
    edit_buffers(&params);
#endif

#ifdef FEAT_DIFF
    if (params.diff_mode)
    {
        win_T   *wp;

        /* set options in each window for "vimdiff". */
        for (wp = firstwin; wp != NULL; wp = wp->w_next)
            diff_win_options(wp, TRUE);
    }
#endif

    /*
     * Shorten any of the filenames, but only when absolute.
     */
    shorten_fnames(FALSE);

    /*
     * Need to jump to the tag before executing the '-c command'.
     * Makes "vim -c '/return' -t main" work.
     */
    if (params.tagname != NULL)
    {
#if defined(HAS_SWAP_EXISTS_ACTION)
        swap_exists_did_quit = FALSE;
#endif

        vim_snprintf((char *)IObuff, IOSIZE, "ta %s", params.tagname);
        do_cmdline_cmd(IObuff);
        TIME_MSG("jumping to tag");

#if defined(HAS_SWAP_EXISTS_ACTION)
        /* If the user doesn't want to edit the file then we quit here. */
        if (swap_exists_did_quit)
            getout(1);
#endif
    }

    /* Execute any "+", "-c" and "-S" arguments. */
    if (params.n_commands > 0)
        exe_commands(&params);

    RedrawingDisabled = 0;
    redraw_all_later(NOT_VALID);
    no_wait_return = FALSE;
    starting = 0;

#ifdef FEAT_TERMRESPONSE
    /* Requesting the termresponse is postponed until here, so that a "-c q"
     * argument doesn't make it appear in the shell Vim was started from. */
    may_req_termresponse();
#endif

    /* start in insert mode */
    if (p_im)
        need_start_insertmode = TRUE;

#ifdef FEAT_AUTOCMD
    apply_autocmds(EVENT_VIMENTER, NULL, NULL, FALSE, curbuf);
    TIME_MSG("VimEnter autocommands");
#endif

#if defined(FEAT_DIFF) && defined(FEAT_SCROLLBIND)
    /* When a startup script or session file setup for diff'ing and
     * scrollbind, sync the scrollbind now. */
    if (curwin->w_p_diff && curwin->w_p_scb)
    {
        update_topline();
        check_scrollbind((linenr_T)0, 0L);
        TIME_MSG("diff scrollbinding");
    }
#endif

#if defined(WIN3264) && !defined(FEAT_GUI_W32)
    mch_set_winsize_now();          /* Allow winsize changes from now on */
#endif

#if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
    /* When tab pages were created, may need to update the tab pages line and
     * scrollbars.  This is skipped while creating them. */
    if (first_tabpage->tp_next != NULL)
    {
        out_flush();
        gui_init_which_components(NULL);
        gui_update_scrollbars(TRUE);
    }
    need_mouse_correct = TRUE;
#endif

    /* If ":startinsert" command used, stuff a dummy command to be able to
     * call normal_cmd(), which will then start Insert mode. */
    if (restart_edit != 0)
        stuffcharReadbuff(K_NOP);

#ifdef FEAT_NETBEANS_INTG
    if (usingNetbeans)
        /* Tell the client that it can start sending commands. */
        netbeans_startup_done();
#endif

    TIME_MSG("before starting main loop");

#if FEAT_GUI_MACVIM
    // The autorelease pool might have filled up quite a bit during
    // initialization, so purge it before entering the main loop.
    objc_msgSend(autoreleasePool, sel_getUid("release"));

    // The main loop sets up its own autorelease pool, but to be safe we still
    // realloc this one here.
    autoreleasePool = objc_msgSend(objc_msgSend(
            objc_getClass("NSAutoreleasePool"),sel_getUid("alloc")
            ), sel_getUid("init"));
#endif

    /*
     * Call the main command loop.  This never returns.
     */
    main_loop(FALSE, FALSE);

#if FEAT_GUI_MACVIM
    objc_msgSend(autoreleasePool, sel_getUid("release"));
#endif

    return 0;
}
#endif /* PROTO */

/*
 * Main loop: Execute Normal mode commands until exiting Vim.
 * Also used to handle commands in the command-line window, until the window
 * is closed.
 * Also used to handle ":visual" command after ":global": execute Normal mode
 * commands, return when entering Ex mode.  "noexmode" is TRUE then.
 */
    void
main_loop(cmdwin, noexmode)
    int         cmdwin;     /* TRUE when working in the command-line window */
    int         noexmode;   /* TRUE when return on entering Ex mode */
{
    oparg_T     oa;                             /* operator arguments */
    int         previous_got_int = FALSE;       /* "got_int" was TRUE */

#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
    /* Setup to catch a terminating error from the X server.  Just ignore
     * it, restore the state and continue.  This might not always work
     * properly, but at least we don't exit unexpectedly when the X server
     * exists while Vim is running in a console. */
    if (!cmdwin && !noexmode && SETJMP(x_jump_env))
    {
        State = NORMAL;
# ifdef FEAT_VISUAL
        VIsual_active = FALSE;
# endif
        got_int = TRUE;
        need_wait_return = FALSE;
        global_busy = FALSE;
        exmode_active = 0;
        skip_redraw = FALSE;
        RedrawingDisabled = 0;
        no_wait_return = 0;
# ifdef FEAT_EVAL
        emsg_skip = 0;
# endif
        emsg_off = 0;
# ifdef FEAT_MOUSE
        setmouse();
# endif
        settmode(TMODE_RAW);
        starttermcap();
        scroll_start();
        redraw_later_clear();
    }
#endif

    clear_oparg(&oa);
    while (!cmdwin
#ifdef FEAT_CMDWIN
            || cmdwin_result == 0
#endif
            )
    {
#if FEAT_GUI_MACVIM
        // Cocoa needs an NSAutoreleasePool in place or it will leak memory.
        // This particular pool gets released once every loop.
        id autoreleasePool = objc_msgSend(objc_msgSend(
                objc_getClass("NSAutoreleasePool"),sel_getUid("alloc")
                ), sel_getUid("init"));
#endif

        if (stuff_empty())
        {
            did_check_timestamps = FALSE;
            if (need_check_timestamps)
                check_timestamps(FALSE);
            if (need_wait_return)       /* if wait_return still needed ... */
                wait_return(FALSE);     /* ... call it now */
            if (need_start_insertmode && goto_im()
#ifdef FEAT_VISUAL
                    && !VIsual_active
#endif
                    )
            {
                need_start_insertmode = FALSE;
                stuffReadbuff((char_u *)"i");   /* start insert mode next */
                /* skip the fileinfo message now, because it would be shown
                 * after insert mode finishes! */
                need_fileinfo = FALSE;
            }
        }

        /* Reset "got_int" now that we got back to the main loop.  Except when
         * inside a ":g/pat/cmd" command, then the "got_int" needs to abort
         * the ":g" command.
         * For ":g/pat/vi" we reset "got_int" when used once.  When used
         * a second time we go back to Ex mode and abort the ":g" command. */
        if (got_int)
        {
            if (noexmode && global_busy && !exmode_active && previous_got_int)
            {
                /* Typed two CTRL-C in a row: go back to ex mode as if "Q" was
                 * used and keep "got_int" set, so that it aborts ":g". */
                exmode_active = EXMODE_NORMAL;
                State = NORMAL;
            }
            else if (!global_busy || !exmode_active)
            {
                if (!quit_more)
                    (void)vgetc();              /* flush all buffers */
                got_int = FALSE;
            }
            previous_got_int = TRUE;
        }
        else
            previous_got_int = FALSE;

        if (!exmode_active)
            msg_scroll = FALSE;
        quit_more = FALSE;

        /*
         * If skip redraw is set (for ":" in wait_return()), don't redraw now.
         * If there is nothing in the stuff_buffer or do_redraw is TRUE,
         * update cursor and redraw.
         */
        if (skip_redraw || exmode_active)
            skip_redraw = FALSE;
        else if (do_redraw || stuff_empty())
        {
#ifdef FEAT_AUTOCMD
            /* Trigger CursorMoved if the cursor moved. */
            if (!finish_op && has_cursormoved()
                             && !equalpos(last_cursormoved, curwin->w_cursor))
            {
                apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf);
                last_cursormoved = curwin->w_cursor;
            }
#endif

#if defined(FEAT_DIFF) && defined(FEAT_SCROLLBIND)
            /* Scroll-binding for diff mode may have been postponed until
             * here.  Avoids doing it for every change. */
            if (diff_need_scrollbind)
            {
                check_scrollbind((linenr_T)0, 0L);
                diff_need_scrollbind = FALSE;
            }
#endif
#if defined(FEAT_FOLDING) && defined(FEAT_VISUAL)
            /* Include a closed fold completely in the Visual area. */
            foldAdjustVisual();
#endif
#ifdef FEAT_FOLDING
            /*
             * When 'foldclose' is set, apply 'foldlevel' to folds that don't
             * contain the cursor.
             * When 'foldopen' is "all", open the fold(s) under the cursor.
             * This may mark the window for redrawing.
             */
            if (hasAnyFolding(curwin) && !char_avail())
            {
                foldCheckClose();
                if (fdo_flags & FDO_ALL)
                    foldOpenCursor();
            }
#endif

            /*
             * Before redrawing, make sure w_topline is correct, and w_leftcol
             * if lines don't wrap, and w_skipcol if lines wrap.
             */
            update_topline();
            validate_cursor();

#ifdef FEAT_VISUAL
            if (VIsual_active)
                update_curbuf(INVERTED);/* update inverted part */
            else
#endif
                if (must_redraw)
                update_screen(0);
            else if (redraw_cmdline || clear_cmdline)
                showmode();
#ifdef FEAT_WINDOWS
            redraw_statuslines();
#endif
#ifdef FEAT_TITLE
            if (need_maketitle)
                maketitle();
#endif
            /* display message after redraw */
            if (keep_msg != NULL)
            {
                char_u *p;

                /* msg_attr_keep() will set keep_msg to NULL, must free the
                 * string here. */
                p = keep_msg;
                keep_msg = NULL;
                msg_attr(p, keep_msg_attr);
                vim_free(p);
            }
            if (need_fileinfo)          /* show file info after redraw */
            {
                fileinfo(FALSE, TRUE, FALSE);
                need_fileinfo = FALSE;
            }

            emsg_on_display = FALSE;    /* can delete error message now */
            did_emsg = FALSE;
            msg_didany = FALSE;         /* reset lines_left in msg_start() */
            may_clear_sb_text();        /* clear scroll-back text on next msg */
            showruler(FALSE);

            setcursor();
            cursor_on();

            do_redraw = FALSE;
        }
#ifdef FEAT_GUI
        if (need_mouse_correct)
            gui_mouse_correct();
#endif

        /*
         * Update w_curswant if w_set_curswant has been set.
         * Postponed until here to avoid computing w_virtcol too often.
         */
        update_curswant();

#ifdef FEAT_EVAL
        /*
         * May perform garbage collection when waiting for a character, but
         * only at the very toplevel.  Otherwise we may be using a List or
         * Dict internally somewhere.
         * "may_garbage_collect" is reset in vgetc() which is invoked through
         * do_exmode() and normal_cmd().
         */
        may_garbage_collect = (!cmdwin && !noexmode);
#endif
        /*
         * If we're invoked as ex, do a round of ex commands.
         * Otherwise, get and execute a normal mode command.
         */
        if (exmode_active)
        {
            if (noexmode)   /* End of ":global/path/visual" commands */
                return;
            do_exmode(exmode_active == EXMODE_VIM);
        }
        else
            normal_cmd(&oa, TRUE);

#if FEAT_GUI_MACVIM
        // TODO! Make sure there are no continue statements that will cause
        // this not to be called or MacVim will leak memory!
        objc_msgSend(autoreleasePool, sel_getUid("release"));
#endif
    }
}


#if defined(USE_XSMP) || defined(FEAT_GUI_MSWIN) || defined(PROTO) \
        || defined(FEAT_GUI_MACVIM)
/*
 * Exit, but leave behind swap files for modified buffers.
 */
    void
getout_preserve_modified(exitval)
    int         exitval;
{
# if defined(SIGHUP) && defined(SIG_IGN)
    /* Ignore SIGHUP, because a dropped connection causes a read error, which
     * makes Vim exit and then handling SIGHUP causes various reentrance
     * problems. */
    signal(SIGHUP, SIG_IGN);
# endif

    ml_close_notmod();              /* close all not-modified buffers */
    ml_sync_all(FALSE, FALSE);      /* preserve all swap files */
    ml_close_all(FALSE);            /* close all memfiles, without deleting */
    getout(exitval);                /* exit Vim properly */
}
#endif


/* Prepare proper exit*/
    void
prepare_getout()
{
#ifdef FEAT_AUTOCMD
    buf_T       *buf;
    win_T       *wp;
    tabpage_T   *tp, *next_tp;
#endif

    exiting = TRUE;

    /* Position the cursor on the last screen line, below all the text */
#ifdef FEAT_GUI
    if (!gui.in_use)
#endif
        windgoto((int)Rows - 1, 0);

#if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
    /* Optionally print hashtable efficiency. */
    hash_debug_results();
#endif

#ifdef FEAT_GUI
    msg_didany = FALSE;
#endif

#ifdef FEAT_AUTOCMD
    /* Trigger BufWinLeave for all windows, but only once per buffer. */
# if defined FEAT_WINDOWS
    for (tp = first_tabpage; tp != NULL; tp = next_tp)
    {
        next_tp = tp->tp_next;
        for (wp = (tp == curtab)
                    ? firstwin : tp->tp_firstwin; wp != NULL; wp = wp->w_next)
        {
            buf = wp->w_buffer;
            if (buf->b_changedtick != -1)
            {
                apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname,
                                                                  FALSE, buf);
                buf->b_changedtick = -1;    /* note that we did it already */
                /* start all over, autocommands may mess up the lists */
                next_tp = first_tabpage;
                break;
            }
        }
    }
# else
    apply_autocmds(EVENT_BUFWINLEAVE, curbuf, curbuf->b_fname, FALSE, curbuf);
# endif

    /* Trigger BufUnload for buffers that are loaded */
    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
        if (buf->b_ml.ml_mfp != NULL)
        {
            apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname,
                                                                  FALSE, buf);
            if (!buf_valid(buf))        /* autocmd may delete the buffer */
                break;
        }
    apply_autocmds(EVENT_VIMLEAVEPRE, NULL, NULL, FALSE, curbuf);
#endif

#ifdef FEAT_VIMINFO
    if (*p_viminfo != NUL)
        /* Write out the registers, history, marks etc, to the viminfo file */
        write_viminfo(NULL, FALSE);
#endif

#ifdef FEAT_AUTOCMD
    apply_autocmds(EVENT_VIMLEAVE, NULL, NULL, FALSE, curbuf);
#endif

#ifdef FEAT_PROFILE
    profile_dump();
#endif

    if (did_emsg
#ifdef FEAT_GUI
            || (gui.in_use && msg_didany && p_verbose > 0)
#endif
            )
    {
        /* give the user a chance to read the (error) message */
        no_wait_return = FALSE;
        wait_return(FALSE);
    }

#ifdef FEAT_AUTOCMD
    /* Position the cursor again, the autocommands may have moved it */
# ifdef FEAT_GUI
    if (!gui.in_use)
# endif
        windgoto((int)Rows - 1, 0);
#endif

#ifdef FEAT_MZSCHEME
    mzscheme_end();
#endif
#ifdef FEAT_TCL
    tcl_end();
#endif
#ifdef FEAT_RUBY
    ruby_end();
#endif
#ifdef FEAT_PYTHON
    python_end();
#endif
#ifdef FEAT_PERL
    perl_end();
#endif
#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
    iconv_end();
#endif
#ifdef FEAT_NETBEANS_INTG
    netbeans_end();
#endif
#ifdef FEAT_ODB_EDITOR
    odb_end();
#endif
#ifdef FEAT_CSCOPE
    cs_end();
#endif
#ifdef FEAT_EVAL
    if (garbage_collect_at_exit)
        garbage_collect();
#endif
}

/* Exit properly */
    void
getout(exitval)
    int         exitval;
{
    /* When running in Ex mode an error causes us to exit with a non-zero exit
     * code.  POSIX requires this, although it's not 100% clear from the
     * standard. */
    if (exmode_active)
        exitval += ex_exitval;

    prepare_getout();
    mch_exit(exitval);
}

/*
 * Get a (optional) count for a Vim argument.
 */
    static int
get_number_arg(p, idx, def)
    char_u      *p;         /* pointer to argument */
    int         *idx;       /* index in argument, is incremented */
    int         def;        /* default value */
{
    if (vim_isdigit(p[*idx]))
    {
        def = atoi((char *)&(p[*idx]));
        while (vim_isdigit(p[*idx]))
            *idx = *idx + 1;
    }
    return def;
}

#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
/*
 * Setup to use the current locale (for ctype() and many other things).
 */
    static void
init_locale()
{
    setlocale(LC_ALL, "");

# if defined(FEAT_FLOAT) && defined(LC_NUMERIC)
    /* Make sure strtod() uses a decimal point, not a comma. */
    setlocale(LC_NUMERIC, "C");
# endif

# ifdef WIN32
    /* Apparently MS-Windows printf() may cause a crash when we give it 8-bit
     * text while it's expecting text in the current locale.  This call avoids
     * that. */
    setlocale(LC_CTYPE, "C");
# endif

# ifdef FEAT_GETTEXT
    {
        int     mustfree = FALSE;
        char_u  *p;

#  ifdef DYNAMIC_GETTEXT
        /* Initialize the gettext library */
        dyn_libintl_init(NULL);
#  endif
        /* expand_env() doesn't work yet, because chartab[] is not initialized
         * yet, call vim_getenv() directly */
        p = vim_getenv((char_u *)"VIMRUNTIME", &mustfree);
        if (p != NULL && *p != NUL)
        {
            vim_snprintf((char *)NameBuff, MAXPATHL, "%s/lang", p);
            bindtextdomain(VIMPACKAGE, (char *)NameBuff);
        }
        if (mustfree)
            vim_free(p);
        textdomain(VIMPACKAGE);
    }
# endif
}
#endif

/*
 * Check for: [r][e][g][vi|vim|view][diff][ex[im]]
 * If the executable name starts with "r" we disable shell commands.
 * If the next character is "e" we run in Easy mode.
 * If the next character is "g" we run the GUI version.
 * If the next characters are "view" we start in readonly mode.
 * If the next characters are "diff" or "vimdiff" we start in diff mode.
 * If the next characters are "ex" we start in Ex mode.  If it's followed
 * by "im" use improved Ex mode.
 */
    static void
parse_command_name(parmp)
    mparm_T     *parmp;
{
    char_u      *initstr;

    initstr = gettail((char_u *)parmp->argv[0]);

#ifdef MACOS_X_UNIX
    /* An issue has been seen when launching Vim in such a way that
     * $PWD/$ARGV[0] or $ARGV[0] is not the absolute path to the
     * executable or a symbolic link of it. Until this issue is resolved
     * we prohibit the GUI from being used.
     */
    if (STRCMP(initstr, parmp->argv[0]) == 0)
        disallow_gui = TRUE;

    /* TODO: On MacOS X default to gui if argv[0] ends in:
     *       /Vim.app/Contents/MacOS/Vim */
#endif

#ifdef FEAT_EVAL
    set_vim_var_string(VV_PROGNAME, initstr, -1);
#endif

    if (TOLOWER_ASC(initstr[0]) == 'r')
    {
        restricted = TRUE;
        ++initstr;
    }

    /* Avoid using evim mode for "editor". */
    if (TOLOWER_ASC(initstr[0]) == 'e'
            && (TOLOWER_ASC(initstr[1]) == 'v'
                || TOLOWER_ASC(initstr[1]) == 'g'))
    {
#ifdef FEAT_GUI
        gui.starting = TRUE;
#endif
        parmp->evim_mode = TRUE;
        ++initstr;
    }

    /* "gvim" starts the GUI.  Also accept "Gvim" for MS-Windows. */
    if (TOLOWER_ASC(initstr[0]) == 'g')
    {
        main_start_gui();
#ifdef FEAT_GUI
        ++initstr;
#endif
    }

    if (STRNICMP(initstr, "view", 4) == 0)
    {
        readonlymode = TRUE;
        curbuf->b_p_ro = TRUE;
        p_uc = 10000;                   /* don't update very often */
        initstr += 4;
    }
    else if (STRNICMP(initstr, "vim", 3) == 0)
        initstr += 3;

    /* Catch "[r][g]vimdiff" and "[r][g]viewdiff". */
    if (STRICMP(initstr, "diff") == 0)
    {
#ifdef FEAT_DIFF
        parmp->diff_mode = TRUE;
#else
        mch_errmsg(_("This Vim was not compiled with the diff feature."));
        mch_errmsg("\n");
        mch_exit(2);
#endif
    }

    if (STRNICMP(initstr, "ex", 2) == 0)
    {
        if (STRNICMP(initstr + 2, "im", 2) == 0)
            exmode_active = EXMODE_VIM;
        else
            exmode_active = EXMODE_NORMAL;
        change_compatible(TRUE);        /* set 'compatible' */
    }
}

/*
 * Get the name of the display, before gui_prepare() removes it from
 * argv[].  Used for the xterm-clipboard display.
 *
 * Also find the --server... arguments and --socketid and --windowid
 */
/*ARGSUSED*/
    static void
early_arg_scan(parmp)
    mparm_T     *parmp;
{
#if defined(FEAT_XCLIPBOARD) || defined(FEAT_CLIENTSERVER)
    int         argc = parmp->argc;
    char        **argv = parmp->argv;
    int         i;

    for (i = 1; i < argc; i++)
    {
        if (STRCMP(argv[i], "--") == 0)
            break;
# ifdef FEAT_XCLIPBOARD
        else if (STRICMP(argv[i], "-display") == 0
#  if defined(FEAT_GUI_GTK)
                || STRICMP(argv[i], "--display") == 0
#  endif
                )
        {
            if (i == argc - 1)
                mainerr_arg_missing((char_u *)argv[i]);
            xterm_display = argv[++i];
        }
# endif
# ifdef FEAT_CLIENTSERVER
        else if (STRICMP(argv[i], "--servername") == 0)
        {
            if (i == argc - 1)
                mainerr_arg_missing((char_u *)argv[i]);
            parmp->serverName_arg = (char_u *)argv[++i];
        }
        else if (STRICMP(argv[i], "--serverlist") == 0)
            parmp->serverArg = TRUE;
        else if (STRNICMP(argv[i], "--remote", 8) == 0)
        {
            parmp->serverArg = TRUE;
#  ifdef FEAT_GUI
            if (strstr(argv[i], "-wait") != 0)
                /* don't fork() when starting the GUI to edit files ourself */
                gui.dofork = FALSE;
#  endif
        }
# endif

# if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)
#  ifdef FEAT_GUI_W32
        else if (STRICMP(argv[i], "--windowid") == 0)
#  else
        else if (STRICMP(argv[i], "--socketid") == 0)
#  endif
        {
            long_u      id;
            int         count;

            if (i == argc - 1)
                mainerr_arg_missing((char_u *)argv[i]);
            if (STRNICMP(argv[i+1], "0x", 2) == 0)
                count = sscanf(&(argv[i + 1][2]), SCANF_HEX_LONG_U, &id);
            else
                count = sscanf(argv[i + 1], SCANF_DECIMAL_LONG_U, &id);
            if (count != 1)
                mainerr(ME_INVALID_ARG, (char_u *)argv[i]);
            else
#  ifdef FEAT_GUI_W32
                win_socket_id = id;
#  else
                gtk_socket_id = id;
#  endif
            i++;
        }
# endif
# ifdef FEAT_GUI_GTK
        else if (STRICMP(argv[i], "--echo-wid") == 0)
            echo_wid_arg = TRUE;
# endif
    }
#endif
}

/*
 * Scan the command line arguments.
 */
    static void
command_line_scan(parmp)
    mparm_T     *parmp;
{
    int         argc = parmp->argc;
    char        **argv = parmp->argv;
    int         argv_idx;               /* index in argv[n][] */
    int         had_minmin = FALSE;     /* found "--" argument */
    int         want_argument;          /* option argument with argument */
    int         c;
    char_u      *p = NULL;
    long        n;

    --argc;
    ++argv;
    argv_idx = 1;           /* active option letter is argv[0][argv_idx] */
    while (argc > 0)
    {
        /*
         * "+" or "+{number}" or "+/{pat}" or "+{command}" argument.
         */
        if (argv[0][0] == '+' && !had_minmin)
        {
            if (parmp->n_commands >= MAX_ARG_CMDS)
                mainerr(ME_EXTRA_CMD, NULL);
            argv_idx = -1;          /* skip to next argument */
            if (argv[0][1] == NUL)
                parmp->commands[parmp->n_commands++] = (char_u *)"$";
            else
                parmp->commands[parmp->n_commands++] = (char_u *)&(argv[0][1]);
        }

        /*
         * Optional argument.
         */
        else if (argv[0][0] == '-' && !had_minmin)
        {
            want_argument = FALSE;
            c = argv[0][argv_idx++];
#ifdef VMS
            /*
             * VMS only uses upper case command lines.  Interpret "-X" as "-x"
             * and "-/X" as "-X".
             */
            if (c == '/')
            {
                c = argv[0][argv_idx++];
                c = TOUPPER_ASC(c);
            }
            else
                c = TOLOWER_ASC(c);
#endif
            switch (c)
            {
            case NUL:           /* "vim -"  read from stdin */
                                /* "ex -" silent mode */
                if (exmode_active)
                    silent_mode = TRUE;
                else
                {
                    if (parmp->edit_type != EDIT_NONE)
                        mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
                    parmp->edit_type = EDIT_STDIN;
                    read_cmd_fd = 2;    /* read from stderr instead of stdin */
                }
                argv_idx = -1;          /* skip to next argument */
                break;

            case '-':           /* "--" don't take any more option arguments */
                                /* "--help" give help message */
                                /* "--version" give version message */
                                /* "--literal" take files literally */
                                /* "--nofork" don't fork */
                                /* "--noplugin[s]" skip plugins */
                                /* "--cmd <cmd>" execute cmd before vimrc */
                if (STRICMP(argv[0] + argv_idx, "help") == 0)
                    usage();
                else if (STRICMP(argv[0] + argv_idx, "version") == 0)
                {
                    Columns = 80;       /* need to init Columns */
                    info_message = TRUE; /* use mch_msg(), not mch_errmsg() */
                    list_version();
                    msg_putchar('\n');
                    msg_didout = FALSE;
                    mch_exit(0);
                }
                else if (STRNICMP(argv[0] + argv_idx, "literal", 7) == 0)
                {
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
                    parmp->literal = TRUE;
#endif
                }
                else if (STRNICMP(argv[0] + argv_idx, "nofork", 6) == 0)
                {
#ifdef FEAT_GUI
                    gui.dofork = FALSE; /* don't fork() when starting GUI */
#endif
                }
                else if (STRNICMP(argv[0] + argv_idx, "noplugin", 8) == 0)
                    p_lpl = FALSE;
                else if (STRNICMP(argv[0] + argv_idx, "cmd", 3) == 0)
                {
                    want_argument = TRUE;
                    argv_idx += 3;
                }
#ifdef FEAT_CLIENTSERVER
                else if (STRNICMP(argv[0] + argv_idx, "serverlist", 10) == 0)
                    ; /* already processed -- no arg */
                else if (STRNICMP(argv[0] + argv_idx, "servername", 10) == 0
                       || STRNICMP(argv[0] + argv_idx, "serversend", 10) == 0)
                {
                    /* already processed -- snatch the following arg */
                    if (argc > 1)
                    {
                        --argc;
                        ++argv;
                    }
                }
#endif
#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)
# ifdef FEAT_GUI_GTK
                else if (STRNICMP(argv[0] + argv_idx, "socketid", 8) == 0)
# else
                else if (STRNICMP(argv[0] + argv_idx, "windowid", 8) == 0)
# endif
                {
                    /* already processed -- snatch the following arg */
                    if (argc > 1)
                    {
                        --argc;
                        ++argv;
                    }
                }
#endif
#ifdef FEAT_GUI_GTK
                else if (STRNICMP(argv[0] + argv_idx, "echo-wid", 8) == 0)
                {
                    /* already processed, skip */
                }
#endif
                else
                {
                    if (argv[0][argv_idx])
                        mainerr(ME_UNKNOWN_OPTION, (char_u *)argv[0]);
                    had_minmin = TRUE;
                }
                if (!want_argument)
                    argv_idx = -1;      /* skip to next argument */
                break;

            case 'A':           /* "-A" start in Arabic mode */
#ifdef FEAT_ARABIC
                set_option_value((char_u *)"arabic", 1L, NULL, 0);
#else
                mch_errmsg(_(e_noarabic));
                mch_exit(2);
#endif
                break;

            case 'b':           /* "-b" binary mode */
                /* Needs to be effective before expanding file names, because
                 * for Win32 this makes us edit a shortcut file itself,
                 * instead of the file it links to. */
                set_options_bin(curbuf->b_p_bin, 1, 0);
                curbuf->b_p_bin = 1;        /* binary file I/O */
                break;

            case 'C':           /* "-C"  Compatible */
                change_compatible(TRUE);
                break;

            case 'e':           /* "-e" Ex mode */
                exmode_active = EXMODE_NORMAL;
                break;

            case 'E':           /* "-E" Improved Ex mode */
                exmode_active = EXMODE_VIM;
                break;

            case 'f':           /* "-f"  GUI: run in foreground.  Amiga: open
                                window directly, not with newcli */
#ifdef FEAT_GUI
                gui.dofork = FALSE;     /* don't fork() when starting GUI */
#endif
                break;

            case 'g':           /* "-g" start GUI */
                main_start_gui();
                break;

            case 'F':           /* "-F" start in Farsi mode: rl + fkmap set */
#ifdef FEAT_FKMAP
                p_fkmap = TRUE;
                set_option_value((char_u *)"rl", 1L, NULL, 0);
#else
                mch_errmsg(_(e_nofarsi));
                mch_exit(2);
#endif
                break;

            case 'h':           /* "-h" give help message */
#ifdef FEAT_GUI_GNOME
                /* Tell usage() to exit for "gvim". */
                gui.starting = FALSE;
#endif
                usage();
                break;

            case 'H':           /* "-H" start in Hebrew mode: rl + hkmap set */
#ifdef FEAT_RIGHTLEFT
                p_hkmap = TRUE;
                set_option_value((char_u *)"rl", 1L, NULL, 0);
#else
                mch_errmsg(_(e_nohebrew));
                mch_exit(2);
#endif
                break;

            case 'l':           /* "-l" lisp mode, 'lisp' and 'showmatch' on */
#ifdef FEAT_LISP
                set_option_value((char_u *)"lisp", 1L, NULL, 0);
                p_sm = TRUE;
#endif
                break;

            case 'M':           /* "-M"  no changes or writing of files */
                reset_modifiable();
                /* FALLTHROUGH */

            case 'm':           /* "-m"  no writing of files */
                p_write = FALSE;
                break;

            case 'y':           /* "-y"  easy mode */
#ifdef FEAT_GUI
                gui.starting = TRUE;    /* start GUI a bit later */
#endif
                parmp->evim_mode = TRUE;
                break;

            case 'N':           /* "-N"  Nocompatible */
                change_compatible(FALSE);
                break;

            case 'n':           /* "-n" no swap file */
                parmp->no_swap_file = TRUE;
                break;

            case 'p':           /* "-p[N]" open N tab pages */
#if defined(TARGET_API_MAC_OSX) && !defined(FEAT_GUI_MACVIM)
                /* For some reason on MacOS X, an argument like:
                   -psn_0_10223617 is passed in when invoke from Finder
                   or with the 'open' command */
                if (argv[0][argv_idx] == 's')
                {
                    argv_idx = -1; /* bypass full -psn */
                    main_start_gui();
                    break;
                }
#endif
#ifdef FEAT_WINDOWS
                /* default is 0: open window for each file */
                parmp->window_count = get_number_arg((char_u *)argv[0],
                                                                &argv_idx, 0);
                parmp->window_layout = WIN_TABS;
#endif
                break;

            case 'o':           /* "-o[N]" open N horizontal split windows */
#ifdef FEAT_WINDOWS
                /* default is 0: open window for each file */
                parmp->window_count = get_number_arg((char_u *)argv[0],
                                                                &argv_idx, 0);
                parmp->window_layout = WIN_HOR;
#endif
                break;

                case 'O':       /* "-O[N]" open N vertical split windows */
#if defined(FEAT_VERTSPLIT) && defined(FEAT_WINDOWS)
                /* default is 0: open window for each file */
                parmp->window_count = get_number_arg((char_u *)argv[0],
                                                                &argv_idx, 0);
                parmp->window_layout = WIN_VER;
#endif
                break;

#ifdef FEAT_QUICKFIX
            case 'q':           /* "-q" QuickFix mode */
                if (parmp->edit_type != EDIT_NONE)
                    mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
                parmp->edit_type = EDIT_QF;
                if (argv[0][argv_idx])          /* "-q{errorfile}" */
                {
                    parmp->use_ef = (char_u *)argv[0] + argv_idx;
                    argv_idx = -1;
                }
                else if (argc > 1)              /* "-q {errorfile}" */
                    want_argument = TRUE;
                break;
#endif

            case 'R':           /* "-R" readonly mode */
                readonlymode = TRUE;
                curbuf->b_p_ro = TRUE;
                p_uc = 10000;                   /* don't update very often */
                break;

            case 'r':           /* "-r" recovery mode */
            case 'L':           /* "-L" recovery mode */
                recoverymode = 1;
                break;

            case 's':
                if (exmode_active)      /* "-s" silent (batch) mode */
                    silent_mode = TRUE;
                else            /* "-s {scriptin}" read from script file */
                    want_argument = TRUE;
                break;

            case 't':           /* "-t {tag}" or "-t{tag}" jump to tag */
                if (parmp->edit_type != EDIT_NONE)
                    mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
                parmp->edit_type = EDIT_TAG;
                if (argv[0][argv_idx])          /* "-t{tag}" */
                {
                    parmp->tagname = (char_u *)argv[0] + argv_idx;
                    argv_idx = -1;
                }
                else                            /* "-t {tag}" */
                    want_argument = TRUE;
                break;

#ifdef FEAT_EVAL
            case 'D':           /* "-D"         Debugging */
                parmp->use_debug_break_level = 9999;
                break;
#endif
#ifdef FEAT_DIFF
            case 'd':           /* "-d"         'diff' */
# ifdef AMIGA
                /* check for "-dev {device}" */
                if (argv[0][argv_idx] == 'e' && argv[0][argv_idx + 1] == 'v')
                    want_argument = TRUE;
                else
# endif
                    parmp->diff_mode = TRUE;
                break;
#endif
            case 'V':           /* "-V{N}"      Verbose level */
                /* default is 10: a little bit verbose */
                p_verbose = get_number_arg((char_u *)argv[0], &argv_idx, 10);
                if (argv[0][argv_idx] != NUL)
                {
                    set_option_value((char_u *)"verbosefile", 0L,
                                             (char_u *)argv[0] + argv_idx, 0);
                    argv_idx = (int)STRLEN(argv[0]);
                }
                break;

            case 'v':           /* "-v"  Vi-mode (as if called "vi") */
                exmode_active = 0;
#ifdef FEAT_GUI
                gui.starting = FALSE;   /* don't start GUI */
#endif
                break;

            case 'w':           /* "-w{number}" set window height */
                                /* "-w {scriptout}"     write to script */
                if (vim_isdigit(((char_u *)argv[0])[argv_idx]))
                {
                    n = get_number_arg((char_u *)argv[0], &argv_idx, 10);
                    set_option_value((char_u *)"window", n, NULL, 0);
                    break;
                }
                want_argument = TRUE;
                break;

#ifdef FEAT_CRYPT
            case 'x':           /* "-x"  encrypted reading/writing of files */
                parmp->ask_for_key = TRUE;
                break;
#endif

            case 'X':           /* "-X"  don't connect to X server */
#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
                x_no_connect = TRUE;
#endif
                break;

            case 'Z':           /* "-Z"  restricted mode */
                restricted = TRUE;
                break;

            case 'c':           /* "-c{command}" or "-c {command}" execute
                                   command */
                if (argv[0][argv_idx] != NUL)
                {
                    if (parmp->n_commands >= MAX_ARG_CMDS)
                        mainerr(ME_EXTRA_CMD, NULL);
                    parmp->commands[parmp->n_commands++] = (char_u *)argv[0]
                                                                   + argv_idx;
                    argv_idx = -1;
                    break;
                }
                /*FALLTHROUGH*/
            case 'S':           /* "-S {file}" execute Vim script */
            case 'i':           /* "-i {viminfo}" use for viminfo */
#ifndef FEAT_DIFF
            case 'd':           /* "-d {device}" device (for Amiga) */
#endif
            case 'T':           /* "-T {terminal}" terminal name */
            case 'u':           /* "-u {vimrc}" vim inits file */
            case 'U':           /* "-U {gvimrc}" gvim inits file */
            case 'W':           /* "-W {scriptout}" overwrite */
#ifdef FEAT_GUI_W32
            case 'P':           /* "-P {parent title}" MDI parent */
#endif
                want_argument = TRUE;
                break;

            default:
                mainerr(ME_UNKNOWN_OPTION, (char_u *)argv[0]);
            }

            /*
             * Handle option arguments with argument.
             */
            if (want_argument)
            {
                /*
                 * Check for garbage immediately after the option letter.
                 */
                if (argv[0][argv_idx] != NUL)
                    mainerr(ME_GARBAGE, (char_u *)argv[0]);

                --argc;
                if (argc < 1 && c != 'S')
                    mainerr_arg_missing((char_u *)argv[0]);
                ++argv;
                argv_idx = -1;

                switch (c)
                {
                case 'c':       /* "-c {command}" execute command */
                case 'S':       /* "-S {file}" execute Vim script */
                    if (parmp->n_commands >= MAX_ARG_CMDS)
                        mainerr(ME_EXTRA_CMD, NULL);
                    if (c == 'S')
                    {
                        char    *a;

                        if (argc < 1)
                            /* "-S" without argument: use default session file
                             * name. */
                            a = SESSION_FILE;
                        else if (argv[0][0] == '-')
                        {
                            /* "-S" followed by another option: use default
                             * session file name. */
                            a = SESSION_FILE;
                            ++argc;
                            --argv;
                        }
                        else
                            a = argv[0];
                        p = alloc((unsigned)(STRLEN(a) + 4));
                        if (p == NULL)
                            mch_exit(2);
                        sprintf((char *)p, "so %s", a);
                        parmp->cmds_tofree[parmp->n_commands] = TRUE;
                        parmp->commands[parmp->n_commands++] = p;
                    }
                    else
                        parmp->commands[parmp->n_commands++] =
                                                            (char_u *)argv[0];
                    break;

                case '-':       /* "--cmd {command}" execute command */
                    if (parmp->n_pre_commands >= MAX_ARG_CMDS)
                        mainerr(ME_EXTRA_CMD, NULL);
                    parmp->pre_commands[parmp->n_pre_commands++] =
                                                            (char_u *)argv[0];
                    break;

            /*  case 'd':   -d {device} is handled in mch_check_win() for the
             *              Amiga */

#ifdef FEAT_QUICKFIX
                case 'q':       /* "-q {errorfile}" QuickFix mode */
                    parmp->use_ef = (char_u *)argv[0];
                    break;
#endif

                case 'i':       /* "-i {viminfo}" use for viminfo */
                    use_viminfo = (char_u *)argv[0];
                    break;

                case 's':       /* "-s {scriptin}" read from script file */
                    if (scriptin[0] != NULL)
                    {
scripterror:
                        mch_errmsg(_("Attempt to open script file again: \""));
                        mch_errmsg(argv[-1]);
                        mch_errmsg(" ");
                        mch_errmsg(argv[0]);
                        mch_errmsg("\"\n");
                        mch_exit(2);
                    }
                    if ((scriptin[0] = mch_fopen(argv[0], READBIN)) == NULL)
                    {
                        mch_errmsg(_("Cannot open for reading: \""));
                        mch_errmsg(argv[0]);
                        mch_errmsg("\"\n");
                        mch_exit(2);
                    }
                    if (save_typebuf() == FAIL)
                        mch_exit(2);    /* out of memory */
                    break;

                case 't':       /* "-t {tag}" */
                    parmp->tagname = (char_u *)argv[0];
                    break;

                case 'T':       /* "-T {terminal}" terminal name */
                    /*
                     * The -T term argument is always available and when
                     * HAVE_TERMLIB is supported it overrides the environment
                     * variable TERM.
                     */
#ifdef FEAT_GUI
                    if (term_is_gui((char_u *)argv[0]))
                        gui.starting = TRUE;    /* start GUI a bit later */
                    else
#endif
                        parmp->term = (char_u *)argv[0];
                    break;

                case 'u':       /* "-u {vimrc}" vim inits file */
                    parmp->use_vimrc = (char_u *)argv[0];
                    break;

                case 'U':       /* "-U {gvimrc}" gvim inits file */
#ifdef FEAT_GUI
                    use_gvimrc = (char_u *)argv[0];
#endif
                    break;

                case 'w':       /* "-w {nr}" 'window' value */
                                /* "-w {scriptout}" append to script file */
                    if (vim_isdigit(*((char_u *)argv[0])))
                    {
                        argv_idx = 0;
                        n = get_number_arg((char_u *)argv[0], &argv_idx, 10);
                        set_option_value((char_u *)"window", n, NULL, 0);
                        argv_idx = -1;
                        break;
                    }
                    /*FALLTHROUGH*/
                case 'W':       /* "-W {scriptout}" overwrite script file */
                    if (scriptout != NULL)
                        goto scripterror;
                    if ((scriptout = mch_fopen(argv[0],
                                    c == 'w' ? APPENDBIN : WRITEBIN)) == NULL)
                    {
                        mch_errmsg(_("Cannot open for script output: \""));
                        mch_errmsg(argv[0]);
                        mch_errmsg("\"\n");
                        mch_exit(2);
                    }
                    break;

#ifdef FEAT_GUI_W32
                case 'P':               /* "-P {parent title}" MDI parent */
                    gui_mch_set_parent(argv[0]);
                    break;
#endif
                }
            }
        }

        /*
         * File name argument.
         */
        else
        {
            argv_idx = -1;          /* skip to next argument */

            /* Check for only one type of editing. */
            if (parmp->edit_type != EDIT_NONE && parmp->edit_type != EDIT_FILE)
                mainerr(ME_TOO_MANY_ARGS, (char_u *)argv[0]);
            parmp->edit_type = EDIT_FILE;

#ifdef MSWIN
            /* Remember if the argument was a full path before changing
             * slashes to backslashes. */
            if (argv[0][0] != NUL && argv[0][1] == ':' && argv[0][2] == '\\')
                parmp->full_path = TRUE;
#endif

            /* Add the file to the global argument list. */
            if (ga_grow(&global_alist.al_ga, 1) == FAIL
                    || (p = vim_strsave((char_u *)argv[0])) == NULL)
                mch_exit(2);
#ifdef FEAT_DIFF
            if (parmp->diff_mode && mch_isdir(p) && GARGCOUNT > 0
                                      && !mch_isdir(alist_name(&GARGLIST[0])))
            {
                char_u      *r;

                r = concat_fnames(p, gettail(alist_name(&GARGLIST[0])), TRUE);
                if (r != NULL)
                {
                    vim_free(p);
                    p = r;
                }
            }
#endif
#if defined(__CYGWIN32__) && !defined(WIN32)
            /*
             * If vim is invoked by non-Cygwin tools, convert away any
             * DOS paths, so things like .swp files are created correctly.
             * Look for evidence of non-Cygwin paths before we bother.
             * This is only for when using the Unix files.
             */
            if (strpbrk(p, "\\:") != NULL)
            {
                char posix_path[PATH_MAX];

# if CYGWIN_VERSION_DLL_MAJOR >= 1007
                cygwin_conv_path(CCP_WIN_A_TO_POSIX, p, posix_path, PATH_MAX);
# else
                cygwin_conv_to_posix_path(p, posix_path);
# endif
                vim_free(p);
                p = vim_strsave(posix_path);
                if (p == NULL)
                    mch_exit(2);
            }
#endif

#ifdef USE_FNAME_CASE
            /* Make the case of the file name match the actual file. */
            fname_case(p, 0);
#endif

            alist_add(&global_alist, p,
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
                    parmp->literal ? 2 : 0      /* add buffer nr after exp. */
#else
                    2           /* add buffer number now and use curbuf */
#endif
                    );

#if defined(FEAT_MBYTE) && defined(WIN32)
            {
                /* Remember this argument has been added to the argument list.
                 * Needed when 'encoding' is changed. */
                used_file_arg(argv[0], parmp->literal, parmp->full_path,
# ifdef FEAT_DIFF
                                                            parmp->diff_mode
# else
                                                            FALSE
# endif
                                                            );
            }
#endif
        }

        /*
         * If there are no more letters after the current "-", go to next
         * argument.  argv_idx is set to -1 when the current argument is to be
         * skipped.
         */
        if (argv_idx <= 0 || argv[0][argv_idx] == NUL)
        {
            --argc;
            ++argv;
            argv_idx = 1;
        }
    }

#ifdef FEAT_EVAL
    /* If there is a "+123" or "-c" command, set v:swapcommand to the first
     * one. */
    if (parmp->n_commands > 0)
    {
        p = alloc((unsigned)STRLEN(parmp->commands[0]) + 3);
        if (p != NULL)
        {
            sprintf((char *)p, ":%s\r", parmp->commands[0]);
            set_vim_var_string(VV_SWAPCOMMAND, p, -1);
            vim_free(p);
        }
    }
#endif
}

/*
 * Print a warning if stdout is not a terminal.
 * When starting in Ex mode and commands come from a file, set Silent mode.
 */
    static void
check_tty(parmp)
    mparm_T     *parmp;
{
    int         input_isatty;           /* is active input a terminal? */

    input_isatty = mch_input_isatty();
    if (exmode_active)
    {
        if (!input_isatty)
            silent_mode = TRUE;
    }
    else if (parmp->want_full_screen && (!parmp->stdout_isatty || !input_isatty)
#ifdef FEAT_GUI
            /* don't want the delay when started from the desktop */
            && !gui.starting
#endif
            )
    {
#ifdef NBDEBUG
        /*
         * This shouldn't be necessary. But if I run netbeans with the log
         * output coming to the console and XOpenDisplay fails, I get vim
         * trying to start with input/output to my console tty.  This fills my
         * input buffer so fast I can't even kill the process in under 2
         * minutes (and it beeps continuously the whole time :-)
         */
        if (usingNetbeans && (!parmp->stdout_isatty || !input_isatty))
        {
            mch_errmsg(_("Vim: Error: Failure to start gvim from NetBeans\n"));
            exit(1);
        }
#endif
        if (!parmp->stdout_isatty)
            mch_errmsg(_("Vim: Warning: Output is not to a terminal\n"));
        if (!input_isatty)
            mch_errmsg(_("Vim: Warning: Input is not from a terminal\n"));
        out_flush();
        if (scriptin[0] == NULL)
            ui_delay(2000L, TRUE);
        TIME_MSG("Warning delay");
    }
}

/*
 * Read text from stdin.
 */
    static void
read_stdin()
{
    int     i;

#if defined(HAS_SWAP_EXISTS_ACTION)
    /* When getting the ATTENTION prompt here, use a dialog */
    swap_exists_action = SEA_DIALOG;
#endif
    no_wait_return = TRUE;
    i = msg_didany;
    set_buflisted(TRUE);
    (void)open_buffer(TRUE, NULL);      /* create memfile and read file */
    no_wait_return = FALSE;
    msg_didany = i;
    TIME_MSG("reading stdin");
#if defined(HAS_SWAP_EXISTS_ACTION)
    check_swap_exists_action();
#endif
#if !(defined(AMIGA) || defined(MACOS))
    /*
     * Close stdin and dup it from stderr.  Required for GPM to work
     * properly, and for running external commands.
     * Is there any other system that cannot do this?
     */
    close(0);
    dup(2);
#endif
}

/*
 * Create the requested number of windows and edit buffers in them.
 * Also does recovery if "recoverymode" set.
 */
/*ARGSUSED*/
    static void
create_windows(parmp)
    mparm_T     *parmp;
{
#ifdef FEAT_WINDOWS
    int         dorewind;
    int         done = 0;

    /*
     * Create the number of windows that was requested.
     */
    if (parmp->window_count == -1)      /* was not set */
        parmp->window_count = 1;
    if (parmp->window_count == 0)
        parmp->window_count = GARGCOUNT;
    if (parmp->window_count > 1)
    {
        /* Don't change the windows if there was a command in .vimrc that
         * already split some windows */
        if (parmp->window_layout == 0)
            parmp->window_layout = WIN_HOR;
        if (parmp->window_layout == WIN_TABS)
        {
            parmp->window_count = make_tabpages(parmp->window_count);
            TIME_MSG("making tab pages");
        }
        else if (firstwin->w_next == NULL)
        {
            parmp->window_count = make_windows(parmp->window_count,
                                             parmp->window_layout == WIN_VER);
            TIME_MSG("making windows");
        }
        else
            parmp->window_count = win_count();
    }
    else
        parmp->window_count = 1;
#endif

    if (recoverymode)                   /* do recover */
    {
        msg_scroll = TRUE;              /* scroll message up */
        ml_recover();
        if (curbuf->b_ml.ml_mfp == NULL) /* failed */
            getout(1);
        do_modelines(0);                /* do modelines */
    }
    else
    {
        /*
         * Open a buffer for windows that don't have one yet.
         * Commands in the .vimrc might have loaded a file or split the window.
         * Watch out for autocommands that delete a window.
         */
#ifdef FEAT_AUTOCMD
        /*
         * Don't execute Win/Buf Enter/Leave autocommands here
         */
        ++autocmd_no_enter;
        ++autocmd_no_leave;
#endif
#ifdef FEAT_WINDOWS
        dorewind = TRUE;
        while (done++ < 1000)
        {
            if (dorewind)
            {
                if (parmp->window_layout == WIN_TABS)
                    goto_tabpage(1);
                else
                    curwin = firstwin;
            }
            else if (parmp->window_layout == WIN_TABS)
            {
                if (curtab->tp_next == NULL)
                    break;
                goto_tabpage(0);
            }
            else
            {
                if (curwin->w_next == NULL)
                    break;
                curwin = curwin->w_next;
            }
            dorewind = FALSE;
#endif
            curbuf = curwin->w_buffer;
            if (curbuf->b_ml.ml_mfp == NULL)
            {
#ifdef FEAT_FOLDING
                /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */
                if (p_fdls >= 0)
                    curwin->w_p_fdl = p_fdls;
#endif
#if defined(HAS_SWAP_EXISTS_ACTION)
                /* When getting the ATTENTION prompt here, use a dialog */
                swap_exists_action = SEA_DIALOG;
#endif
                set_buflisted(TRUE);
                (void)open_buffer(FALSE, NULL); /* create memfile, read file */

#if defined(HAS_SWAP_EXISTS_ACTION)
                if (swap_exists_action == SEA_QUIT)
                {
                    if (got_int || only_one_window())
                    {
                        /* abort selected or quit and only one window */
                        did_emsg = FALSE;   /* avoid hit-enter prompt */
                        getout(1);
                    }
                    /* We can't close the window, it would disturb what
                     * happens next.  Clear the file name and set the arg
                     * index to -1 to delete it later. */
                    setfname(curbuf, NULL, NULL, FALSE);
                    curwin->w_arg_idx = -1;
                    swap_exists_action = SEA_NONE;
                }
                else
                    handle_swap_exists(NULL);
#endif
#ifdef FEAT_AUTOCMD
                dorewind = TRUE;                /* start again */
#endif
            }
#ifdef FEAT_WINDOWS
            ui_breakcheck();
            if (got_int)
            {
                (void)vgetc();  /* only break the file loading, not the rest */
                break;
            }
        }
#endif
#ifdef FEAT_WINDOWS
        if (parmp->window_layout == WIN_TABS)
            goto_tabpage(1);
        else
            curwin = firstwin;
        curbuf = curwin->w_buffer;
#endif
#ifdef FEAT_AUTOCMD
        --autocmd_no_enter;
        --autocmd_no_leave;
#endif
    }
}

#ifdef FEAT_WINDOWS
    /*
     * If opened more than one window, start editing files in the other
     * windows.  make_windows() has already opened the windows.
     */
    static void
edit_buffers(parmp)
    mparm_T     *parmp;
{
    int         arg_idx;                /* index in argument list */
    int         i;
    int         advance = TRUE;

# ifdef FEAT_AUTOCMD
    /*
     * Don't execute Win/Buf Enter/Leave autocommands here
     */
    ++autocmd_no_enter;
    ++autocmd_no_leave;
# endif

    /* When w_arg_idx is -1 remove the window (see create_windows()). */
    if (curwin->w_arg_idx == -1)
    {
        win_close(curwin, TRUE);
        advance = FALSE;
    }

    arg_idx = 1;
    for (i = 1; i < parmp->window_count; ++i)
    {
        /* When w_arg_idx is -1 remove the window (see create_windows()). */
        if (curwin->w_arg_idx == -1)
        {
            ++arg_idx;
            win_close(curwin, TRUE);
            advance = FALSE;
            continue;
        }

        if (advance)
        {
            if (parmp->window_layout == WIN_TABS)
            {
                if (curtab->tp_next == NULL)    /* just checking */
                    break;
                goto_tabpage(0);
            }
            else
            {
                if (curwin->w_next == NULL)     /* just checking */
                    break;
                win_enter(curwin->w_next, FALSE);
            }
        }
        advance = TRUE;

        /* Only open the file if there is no file in this window yet (that can
         * happen when .vimrc contains ":sall"). */
        if (curbuf == firstwin->w_buffer || curbuf->b_ffname == NULL)
        {
            curwin->w_arg_idx = arg_idx;
            /* Edit file from arg list, if there is one.  When "Quit" selected
             * at the ATTENTION prompt close the window. */
# ifdef HAS_SWAP_EXISTS_ACTION
            swap_exists_did_quit = FALSE;
# endif
            (void)do_ecmd(0, arg_idx < GARGCOUNT
                          ? alist_name(&GARGLIST[arg_idx]) : NULL,
                          NULL, NULL, ECMD_LASTL, ECMD_HIDE);
# ifdef HAS_SWAP_EXISTS_ACTION
            if (swap_exists_did_quit)
            {
                /* abort or quit selected */
                if (got_int || only_one_window())
                {
                    /* abort selected and only one window */
                    did_emsg = FALSE;   /* avoid hit-enter prompt */
                    getout(1);
                }
                win_close(curwin, TRUE);
                advance = FALSE;
            }
# endif
            if (arg_idx == GARGCOUNT - 1)
                arg_had_last = TRUE;
            ++arg_idx;
        }
        ui_breakcheck();
        if (got_int)
        {
            (void)vgetc();      /* only break the file loading, not the rest */
            break;
        }
    }

    if (parmp->window_layout == WIN_TABS)
        goto_tabpage(1);
# ifdef FEAT_AUTOCMD
    --autocmd_no_enter;
# endif
    win_enter(firstwin, FALSE);         /* back to first window */
# ifdef FEAT_AUTOCMD
    --autocmd_no_leave;
# endif
    TIME_MSG("editing files in windows");
    if (parmp->window_count > 1 && parmp->window_layout != WIN_TABS)
        win_equal(curwin, FALSE, 'b');  /* adjust heights */
}
#endif /* FEAT_WINDOWS */

/*
 * Execute the commands from --cmd arguments "cmds[cnt]".
 */
    static void
exe_pre_commands(parmp)
    mparm_T     *parmp;
{
    char_u      **cmds = parmp->pre_commands;
    int         cnt = parmp->n_pre_commands;
    int         i;

    if (cnt > 0)
    {
        curwin->w_cursor.lnum = 0; /* just in case.. */
        sourcing_name = (char_u *)_("pre-vimrc command line");
# ifdef FEAT_EVAL
        current_SID = SID_CMDARG;
# endif
        for (i = 0; i < cnt; ++i)
            do_cmdline_cmd(cmds[i]);
        sourcing_name = NULL;
# ifdef FEAT_EVAL
        current_SID = 0;
# endif
        TIME_MSG("--cmd commands");
    }
}

/*
 * Execute "+", "-c" and "-S" arguments.
 */
    static void
exe_commands(parmp)
    mparm_T     *parmp;
{
    int         i;

    /*
     * We start commands on line 0, make "vim +/pat file" match a
     * pattern on line 1.  But don't move the cursor when an autocommand
     * with g`" was used.
     */
    msg_scroll = TRUE;
    if (parmp->tagname == NULL && curwin->w_cursor.lnum <= 1)
        curwin->w_cursor.lnum = 0;
    sourcing_name = (char_u *)"command line";
#ifdef FEAT_EVAL
    current_SID = SID_CARG;
#endif
    for (i = 0; i < parmp->n_commands; ++i)
    {
        do_cmdline_cmd(parmp->commands[i]);
        if (parmp->cmds_tofree[i])
            vim_free(parmp->commands[i]);
    }
    sourcing_name = NULL;
#ifdef FEAT_EVAL
    current_SID = 0;
#endif
    if (curwin->w_cursor.lnum == 0)
        curwin->w_cursor.lnum = 1;

    if (!exmode_active)
        msg_scroll = FALSE;

#ifdef FEAT_QUICKFIX
    /* When started with "-q errorfile" jump to first error again. */
    if (parmp->edit_type == EDIT_QF)
        qf_jump(NULL, 0, 0, FALSE);
#endif
    TIME_MSG("executing command arguments");
}

/*
 * Source startup scripts.
 */
    static void
source_startup_scripts(parmp)
    mparm_T     *parmp;
{
    int         i;

    /*
     * For "evim" source evim.vim first of all, so that the user can overrule
     * any things he doesn't like.
     */
    if (parmp->evim_mode)
    {
        (void)do_source((char_u *)EVIM_FILE, FALSE, DOSO_NONE);
        TIME_MSG("source evim file");
    }

    /*
     * If -u argument given, use only the initializations from that file and
     * nothing else.
     */
    if (parmp->use_vimrc != NULL)
    {
        if (STRCMP(parmp->use_vimrc, "NONE") == 0
                                     || STRCMP(parmp->use_vimrc, "NORC") == 0)
        {
#ifdef FEAT_GUI
            if (use_gvimrc == NULL)         /* don't load gvimrc either */
                use_gvimrc = parmp->use_vimrc;
#endif
            if (parmp->use_vimrc[2] == 'N')
                p_lpl = FALSE;              /* don't load plugins either */
        }
        else
        {
            if (do_source(parmp->use_vimrc, FALSE, DOSO_NONE) != OK)
                EMSG2(_("E282: Cannot read from \"%s\""), parmp->use_vimrc);
        }
    }
    else if (!silent_mode)
    {
#ifdef AMIGA
        struct Process  *proc = (struct Process *)FindTask(0L);
        APTR            save_winptr = proc->pr_WindowPtr;

        /* Avoid a requester here for a volume that doesn't exist. */
        proc->pr_WindowPtr = (APTR)-1L;
#endif

        /*
         * Get system wide defaults, if the file name is defined.
         */
#ifdef SYS_VIMRC_FILE
        (void)do_source((char_u *)SYS_VIMRC_FILE, FALSE, DOSO_NONE);
#endif
#if defined(MACOS_X) && !defined(FEAT_GUI_MACVIM)
        (void)do_source((char_u *)"$VIMRUNTIME/macmap.vim", FALSE, DOSO_NONE);
#endif

        /*
         * Try to read initialization commands from the following places:
         * - environment variable VIMINIT
         * - user vimrc file (s:.vimrc for Amiga, ~/.vimrc otherwise)
         * - second user vimrc file ($VIM/.vimrc for Dos)
         * - environment variable EXINIT
         * - user exrc file (s:.exrc for Amiga, ~/.exrc otherwise)
         * - second user exrc file ($VIM/.exrc for Dos)
         * The first that exists is used, the rest is ignored.
         */
        if (process_env((char_u *)"VIMINIT", TRUE) != OK)
        {
            if (do_source((char_u *)USR_VIMRC_FILE, TRUE, DOSO_VIMRC) == FAIL
#ifdef USR_VIMRC_FILE2
                && do_source((char_u *)USR_VIMRC_FILE2, TRUE,
                                                           DOSO_VIMRC) == FAIL
#endif
#ifdef USR_VIMRC_FILE3
                && do_source((char_u *)USR_VIMRC_FILE3, TRUE,
                                                           DOSO_VIMRC) == FAIL
#endif
                && process_env((char_u *)"EXINIT", FALSE) == FAIL
                && do_source((char_u *)USR_EXRC_FILE, FALSE, DOSO_NONE) == FAIL)
            {
#ifdef USR_EXRC_FILE2
                (void)do_source((char_u *)USR_EXRC_FILE2, FALSE, DOSO_NONE);
#endif
            }
        }

        /*
         * Read initialization commands from ".vimrc" or ".exrc" in current
         * directory.  This is only done if the 'exrc' option is set.
         * Because of security reasons we disallow shell and write commands
         * now, except for unix if the file is owned by the user or 'secure'
         * option has been reset in environment of global ".exrc" or ".vimrc".
         * Only do this if VIMRC_FILE is not the same as USR_VIMRC_FILE or
         * SYS_VIMRC_FILE.
         */
        if (p_exrc)
        {
#if defined(UNIX) || defined(VMS)
            /* If ".vimrc" file is not owned by user, set 'secure' mode. */
            if (!file_owned(VIMRC_FILE))
#endif
                secure = p_secure;

            i = FAIL;
            if (fullpathcmp((char_u *)USR_VIMRC_FILE,
                                      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
#ifdef USR_VIMRC_FILE2
                    && fullpathcmp((char_u *)USR_VIMRC_FILE2,
                                      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
#endif
#ifdef USR_VIMRC_FILE3
                    && fullpathcmp((char_u *)USR_VIMRC_FILE3,
                                      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
#endif
#ifdef SYS_VIMRC_FILE
                    && fullpathcmp((char_u *)SYS_VIMRC_FILE,
                                      (char_u *)VIMRC_FILE, FALSE) != FPC_SAME
#endif
                                )
                i = do_source((char_u *)VIMRC_FILE, TRUE, DOSO_VIMRC);

            if (i == FAIL)
            {
#if defined(UNIX) || defined(VMS)
                /* if ".exrc" is not owned by user set 'secure' mode */
                if (!file_owned(EXRC_FILE))
                    secure = p_secure;
                else
                    secure = 0;
#endif
                if (       fullpathcmp((char_u *)USR_EXRC_FILE,
                                      (char_u *)EXRC_FILE, FALSE) != FPC_SAME
#ifdef USR_EXRC_FILE2
                        && fullpathcmp((char_u *)USR_EXRC_FILE2,
                                      (char_u *)EXRC_FILE, FALSE) != FPC_SAME
#endif
                                )
                    (void)do_source((char_u *)EXRC_FILE, FALSE, DOSO_NONE);
            }
        }
        if (secure == 2)
            need_wait_return = TRUE;
        secure = 0;
#ifdef AMIGA
        proc->pr_WindowPtr = save_winptr;
#endif
    }
    TIME_MSG("sourcing vimrc file(s)");
}

/*
 * Setup to start using the GUI.  Exit with an error when not available.
 */
    static void
main_start_gui()
{
#ifdef FEAT_GUI
    gui.starting = TRUE;        /* start GUI a bit later */
#else
    mch_errmsg(_(e_nogvim));
    mch_errmsg("\n");
    mch_exit(2);
#endif
}

/*
 * Get an environment variable, and execute it as Ex commands.
 * Returns FAIL if the environment variable was not executed, OK otherwise.
 */
    int
process_env(env, is_viminit)
    char_u      *env;
    int         is_viminit; /* when TRUE, called for VIMINIT */
{
    char_u      *initstr;
    char_u      *save_sourcing_name;
    linenr_T    save_sourcing_lnum;
#ifdef FEAT_EVAL
    scid_T      save_sid;
#endif

    if ((initstr = mch_getenv(env)) != NULL && *initstr != NUL)
    {
        if (is_viminit)
            vimrc_found(NULL, NULL);
        save_sourcing_name = sourcing_name;
        save_sourcing_lnum = sourcing_lnum;
        sourcing_name = env;
        sourcing_lnum = 0;
#ifdef FEAT_EVAL
        save_sid = current_SID;
        current_SID = SID_ENV;
#endif
        do_cmdline_cmd(initstr);
        sourcing_name = save_sourcing_name;
        sourcing_lnum = save_sourcing_lnum;
#ifdef FEAT_EVAL
        current_SID = save_sid;;
#endif
        return OK;
    }
    return FAIL;
}

#if defined(UNIX) || defined(VMS)
/*
 * Return TRUE if we are certain the user owns the file "fname".
 * Used for ".vimrc" and ".exrc".
 * Use both stat() and lstat() for extra security.
 */
    static int
file_owned(fname)
    char        *fname;
{
    struct stat s;
# ifdef UNIX
    uid_t       uid = getuid();
# else   /* VMS */
    uid_t       uid = ((getgid() << 16) | getuid());
# endif

    return !(mch_stat(fname, &s) != 0 || s.st_uid != uid
# ifdef HAVE_LSTAT
            || mch_lstat(fname, &s) != 0 || s.st_uid != uid
# endif
            );
}
#endif

/*
 * Give an error message main_errors["n"] and exit.
 */
    static void
mainerr(n, str)
    int         n;      /* one of the ME_ defines */
    char_u      *str;   /* extra argument or NULL */
{
#if defined(UNIX) || defined(__EMX__) || defined(VMS)
    reset_signals();            /* kill us with CTRL-C here, if you like */
#endif

    mch_errmsg(longVersion);
    mch_errmsg("\n");
    mch_errmsg(_(main_errors[n]));
    if (str != NULL)
    {
        mch_errmsg(": \"");
        mch_errmsg((char *)str);
        mch_errmsg("\"");
    }
    mch_errmsg(_("\nMore info with: \"vim -h\"\n"));

    mch_exit(1);
}

    void
mainerr_arg_missing(str)
    char_u      *str;
{
    mainerr(ME_ARG_MISSING, str);
}

/*
 * print a message with three spaces prepended and '\n' appended.
 */
    static void
main_msg(s)
    char *s;
{
    mch_msg("   ");
    mch_msg(s);
    mch_msg("\n");
}

/*
 * Print messages for "vim -h" or "vim --help" and exit.
 */
    static void
usage()
{
    int         i;
    static char *(use[]) =
    {
        N_("[file ..]       edit specified file(s)"),
        N_("-               read text from stdin"),
        N_("-t tag          edit file where tag is defined"),
#ifdef FEAT_QUICKFIX
        N_("-q [errorfile]  edit file with first error")
#endif
    };

#if defined(UNIX) || defined(__EMX__) || defined(VMS)
    reset_signals();            /* kill us with CTRL-C here, if you like */
#endif

    mch_msg(longVersion);
    mch_msg(_("\n\nusage:"));
    for (i = 0; ; ++i)
    {
        mch_msg(_(" vim [arguments] "));
        mch_msg(_(use[i]));
        if (i == (sizeof(use) / sizeof(char_u *)) - 1)
            break;
        mch_msg(_("\n   or:"));
    }
#ifdef VMS
    mch_msg(_("\nWhere case is ignored prepend / to make flag upper case"));
#endif

    mch_msg(_("\n\nArguments:\n"));
    main_msg(_("--\t\t\tOnly file names after this"));
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
    main_msg(_("--literal\t\tDon't expand wildcards"));
#endif
#ifdef FEAT_OLE
    main_msg(_("-register\t\tRegister this gvim for OLE"));
    main_msg(_("-unregister\t\tUnregister gvim for OLE"));
#endif
#ifdef FEAT_GUI
    main_msg(_("-g\t\t\tRun using GUI (like \"gvim\")"));
    main_msg(_("-f  or  --nofork\tForeground: Don't fork when starting GUI"));
#endif
    main_msg(_("-v\t\t\tVi mode (like \"vi\")"));
    main_msg(_("-e\t\t\tEx mode (like \"ex\")"));
    main_msg(_("-s\t\t\tSilent (batch) mode (only for \"ex\")"));
#ifdef FEAT_DIFF
    main_msg(_("-d\t\t\tDiff mode (like \"vimdiff\")"));
#endif
    main_msg(_("-y\t\t\tEasy mode (like \"evim\", modeless)"));
    main_msg(_("-R\t\t\tReadonly mode (like \"view\")"));
    main_msg(_("-Z\t\t\tRestricted mode (like \"rvim\")"));
    main_msg(_("-m\t\t\tModifications (writing files) not allowed"));
    main_msg(_("-M\t\t\tModifications in text not allowed"));
    main_msg(_("-b\t\t\tBinary mode"));
#ifdef FEAT_LISP
    main_msg(_("-l\t\t\tLisp mode"));
#endif
    main_msg(_("-C\t\t\tCompatible with Vi: 'compatible'"));
    main_msg(_("-N\t\t\tNot fully Vi compatible: 'nocompatible'"));
    main_msg(_("-V[N][fname]\t\tBe verbose [level N] [log messages to fname]"));
#ifdef FEAT_EVAL
    main_msg(_("-D\t\t\tDebugging mode"));
#endif
    main_msg(_("-n\t\t\tNo swap file, use memory only"));
    main_msg(_("-r\t\t\tList swap files and exit"));
    main_msg(_("-r (with file name)\tRecover crashed session"));
    main_msg(_("-L\t\t\tSame as -r"));
#ifdef AMIGA
    main_msg(_("-f\t\t\tDon't use newcli to open window"));
    main_msg(_("-dev <device>\t\tUse <device> for I/O"));
#endif
#ifdef FEAT_ARABIC
    main_msg(_("-A\t\t\tstart in Arabic mode"));
#endif
#ifdef FEAT_RIGHTLEFT
    main_msg(_("-H\t\t\tStart in Hebrew mode"));
#endif
#ifdef FEAT_FKMAP
    main_msg(_("-F\t\t\tStart in Farsi mode"));
#endif
    main_msg(_("-T <terminal>\tSet terminal type to <terminal>"));
    main_msg(_("-u <vimrc>\t\tUse <vimrc> instead of any .vimrc"));
#ifdef FEAT_GUI
    main_msg(_("-U <gvimrc>\t\tUse <gvimrc> instead of any .gvimrc"));
#endif
    main_msg(_("--noplugin\t\tDon't load plugin scripts"));
#ifdef FEAT_WINDOWS
    main_msg(_("-p[N]\t\tOpen N tab pages (default: one for each file)"));
    main_msg(_("-o[N]\t\tOpen N windows (default: one for each file)"));
    main_msg(_("-O[N]\t\tLike -o but split vertically"));
#endif
    main_msg(_("+\t\t\tStart at end of file"));
    main_msg(_("+<lnum>\t\tStart at line <lnum>"));
    main_msg(_("--cmd <command>\tExecute <command> before loading any vimrc file"));
    main_msg(_("-c <command>\t\tExecute <command> after loading the first file"));
    main_msg(_("-S <session>\t\tSource file <session> after loading the first file"));
    main_msg(_("-s <scriptin>\tRead Normal mode commands from file <scriptin>"));
    main_msg(_("-w <scriptout>\tAppend all typed commands to file <scriptout>"));
    main_msg(_("-W <scriptout>\tWrite all typed commands to file <scriptout>"));
#ifdef FEAT_CRYPT
    main_msg(_("-x\t\t\tEdit encrypted files"));
#endif
#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
# if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
    main_msg(_("-display <display>\tConnect vim to this particular X-server"));
# endif
    main_msg(_("-X\t\t\tDo not connect to X server"));
#endif
#ifdef FEAT_CLIENTSERVER
    main_msg(_("--remote <files>\tEdit <files> in a Vim server if possible"));
    main_msg(_("--remote-silent <files>  Same, don't complain if there is no server"));
    main_msg(_("--remote-wait <files>  As --remote but wait for files to have been edited"));
    main_msg(_("--remote-wait-silent <files>  Same, don't complain if there is no server"));
# ifdef FEAT_WINDOWS
    main_msg(_("--remote-tab[-wait][-silent] <files>  As --remote but use tab page per file"));
# endif
    main_msg(_("--remote-send <keys>\tSend <keys> to a Vim server and exit"));
    main_msg(_("--remote-expr <expr>\tEvaluate <expr> in a Vim server and print result"));
    main_msg(_("--serverlist\t\tList available Vim server names and exit"));
    main_msg(_("--servername <name>\tSend to/become the Vim server <name>"));
#endif
#ifdef FEAT_VIMINFO
    main_msg(_("-i <viminfo>\t\tUse <viminfo> instead of .viminfo"));
#endif
    main_msg(_("-h  or  --help\tPrint Help (this message) and exit"));
    main_msg(_("--version\t\tPrint version information and exit"));

#ifdef FEAT_GUI_X11
# ifdef FEAT_GUI_MOTIF
    mch_msg(_("\nArguments recognised by gvim (Motif version):\n"));
# else
#  ifdef FEAT_GUI_ATHENA
#   ifdef FEAT_GUI_NEXTAW
    mch_msg(_("\nArguments recognised by gvim (neXtaw version):\n"));
#   else
    mch_msg(_("\nArguments recognised by gvim (Athena version):\n"));
#   endif
#  endif
# endif
    main_msg(_("-display <display>\tRun vim on <display>"));
    main_msg(_("-iconic\t\tStart vim iconified"));
# if 0
    main_msg(_("-name <name>\t\tUse resource as if vim was <name>"));
    mch_msg(_("\t\t\t  (Unimplemented)\n"));
# endif
    main_msg(_("-background <color>\tUse <color> for the background (also: -bg)"));
    main_msg(_("-foreground <color>\tUse <color> for normal text (also: -fg)"));
    main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
    main_msg(_("-boldfont <font>\tUse <font> for bold text"));
    main_msg(_("-italicfont <font>\tUse <font> for italic text"));
    main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
    main_msg(_("-borderwidth <width>\tUse a border width of <width> (also: -bw)"));
    main_msg(_("-scrollbarwidth <width>  Use a scrollbar width of <width> (also: -sw)"));
# ifdef FEAT_GUI_ATHENA
    main_msg(_("-menuheight <height>\tUse a menu bar height of <height> (also: -mh)"));
# endif
    main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
    main_msg(_("+reverse\t\tDon't use reverse video (also: +rv)"));
    main_msg(_("-xrm <resource>\tSet the specified resource"));
#endif /* FEAT_GUI_X11 */
#if defined(FEAT_GUI) && defined(RISCOS)
    mch_msg(_("\nArguments recognised by gvim (RISC OS version):\n"));
    main_msg(_("--columns <number>\tInitial width of window in columns"));
    main_msg(_("--rows <number>\tInitial height of window in rows"));
#endif
#ifdef FEAT_GUI_GTK
    mch_msg(_("\nArguments recognised by gvim (GTK+ version):\n"));
    main_msg(_("-font <font>\t\tUse <font> for normal text (also: -fn)"));
    main_msg(_("-geometry <geom>\tUse <geom> for initial geometry (also: -geom)"));
    main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
    main_msg(_("-display <display>\tRun vim on <display> (also: --display)"));
# ifdef HAVE_GTK2
    main_msg(_("--role <role>\tSet a unique role to identify the main window"));
# endif
    main_msg(_("--socketid <xid>\tOpen Vim inside another GTK widget"));
#endif
#ifdef FEAT_GUI_W32
    main_msg(_("-P <parent title>\tOpen Vim inside parent application"));
    main_msg(_("--windowid <HWND>\tOpen Vim inside another win32 widget"));
#endif

#ifdef FEAT_GUI_GNOME
    /* Gnome gives extra messages for --help if we continue, but not for -h. */
    if (gui.starting)
        mch_msg("\n");
    else
#endif
        mch_exit(0);
}

#if defined(HAS_SWAP_EXISTS_ACTION)
/*
 * Check the result of the ATTENTION dialog:
 * When "Quit" selected, exit Vim.
 * When "Recover" selected, recover the file.
 */
    static void
check_swap_exists_action()
{
    if (swap_exists_action == SEA_QUIT)
        getout(1);
    handle_swap_exists(NULL);
}
#endif

#if defined(STARTUPTIME) || defined(PROTO)
static void time_diff __ARGS((struct timeval *then, struct timeval *now));

static struct timeval   prev_timeval;

/*
 * Save the previous time before doing something that could nest.
 * set "*tv_rel" to the time elapsed so far.
 */
    void
time_push(tv_rel, tv_start)
    void        *tv_rel, *tv_start;
{
    *((struct timeval *)tv_rel) = prev_timeval;
    gettimeofday(&prev_timeval, NULL);
    ((struct timeval *)tv_rel)->tv_usec = prev_timeval.tv_usec
                                        - ((struct timeval *)tv_rel)->tv_usec;
    ((struct timeval *)tv_rel)->tv_sec = prev_timeval.tv_sec
                                         - ((struct timeval *)tv_rel)->tv_sec;
    if (((struct timeval *)tv_rel)->tv_usec < 0)
    {
        ((struct timeval *)tv_rel)->tv_usec += 1000000;
        --((struct timeval *)tv_rel)->tv_sec;
    }
    *(struct timeval *)tv_start = prev_timeval;
}

/*
 * Compute the previous time after doing something that could nest.
 * Subtract "*tp" from prev_timeval;
 * Note: The arguments are (void *) to avoid trouble with systems that don't
 * have struct timeval.
 */
    void
time_pop(tp)
    void        *tp;    /* actually (struct timeval *) */
{
    prev_timeval.tv_usec -= ((struct timeval *)tp)->tv_usec;
    prev_timeval.tv_sec -= ((struct timeval *)tp)->tv_sec;
    if (prev_timeval.tv_usec < 0)
    {
        prev_timeval.tv_usec += 1000000;
        --prev_timeval.tv_sec;
    }
}

    static void
time_diff(then, now)
    struct timeval      *then;
    struct timeval      *now;
{
    long        usec;
    long        msec;

    usec = now->tv_usec - then->tv_usec;
    msec = (now->tv_sec - then->tv_sec) * 1000L + usec / 1000L,
    usec = usec % 1000L;
    fprintf(time_fd, "%03ld.%03ld", msec, usec >= 0 ? usec : usec + 1000L);
}

    void
time_msg(msg, tv_start)
    char        *msg;
    void        *tv_start;  /* only for do_source: start time; actually
                               (struct timeval *) */
{
    static struct timeval       start;
    struct timeval              now;

    if (time_fd != NULL)
    {
        if (strstr(msg, "STARTING") != NULL)
        {
            gettimeofday(&start, NULL);
            prev_timeval = start;
            fprintf(time_fd, "\n\ntimes in msec\n");
            fprintf(time_fd, " clock   self+sourced   self:  sourced script\n");
            fprintf(time_fd, " clock   elapsed:              other lines\n\n");
        }
        gettimeofday(&now, NULL);
        time_diff(&start, &now);
        if (((struct timeval *)tv_start) != NULL)
        {
            fprintf(time_fd, "  ");
            time_diff(((struct timeval *)tv_start), &now);
        }
        fprintf(time_fd, "  ");
        time_diff(&prev_timeval, &now);
        prev_timeval = now;
        fprintf(time_fd, ": %s\n", msg);
    }
}

# ifdef WIN3264
/*
 * Windows doesn't have gettimeofday(), although it does have struct timeval.
 */
    int
gettimeofday(struct timeval *tv, char *dummy)
{
    long t = clock();
    tv->tv_sec = t / CLOCKS_PER_SEC;
    tv->tv_usec = (t - tv->tv_sec * CLOCKS_PER_SEC) * 1000000 / CLOCKS_PER_SEC;
    return 0;
}
# endif

#endif

#if defined(FEAT_CLIENTSERVER) || defined(PROTO)

/*
 * Common code for the X command server and the Win32 command server.
 */

static char_u *build_drop_cmd __ARGS((int filec, char **filev, int tabs, int sendReply));

/*
 * Do the client-server stuff, unless "--servername ''" was used.
 */
    static void
exec_on_server(parmp)
    mparm_T     *parmp;
{
    if (parmp->serverName_arg == NULL || *parmp->serverName_arg != NUL)
    {
# ifdef WIN32
        /* Initialise the client/server messaging infrastructure. */
        serverInitMessaging();
# endif

        /*
         * When a command server argument was found, execute it.  This may
         * exit Vim when it was successful.  Otherwise it's executed further
         * on.  Remember the encoding used here in "serverStrEnc".
         */
        if (parmp->serverArg)
        {
            cmdsrv_main(&parmp->argc, parmp->argv,
                                    parmp->serverName_arg, &parmp->serverStr);
# ifdef FEAT_MBYTE
            parmp->serverStrEnc = vim_strsave(p_enc);
# endif
        }

        /* If we're still running, get the name to register ourselves.
         * On Win32 can register right now, for X11 need to setup the
         * clipboard first, it's further down. */
        parmp->servername = serverMakeName(parmp->serverName_arg,
                                                              parmp->argv[0]);
# ifdef WIN32
        if (parmp->servername != NULL)
        {
            serverSetName(parmp->servername);
            vim_free(parmp->servername);
        }
# endif
    }
}

/*
 * Prepare for running as a Vim server.
 */
    static void
prepare_server(parmp)
    mparm_T     *parmp;
{
# if defined(FEAT_X11)
    /*
     * Register for remote command execution with :serversend and --remote
     * unless there was a -X or a --servername '' on the command line.
     * Only register nongui-vim's with an explicit --servername argument.
     * When running as root --servername is also required.
     */
    if (X_DISPLAY != NULL && parmp->servername != NULL && (
#  ifdef FEAT_GUI
                (gui.in_use
#   ifdef UNIX
                 && getuid() != ROOT_UID
#   endif
                ) ||
#  endif
                parmp->serverName_arg != NULL))
    {
        (void)serverRegisterName(X_DISPLAY, parmp->servername);
        vim_free(parmp->servername);
        TIME_MSG("register server name");
    }
    else
        serverDelayedStartName = parmp->servername;
# endif

    /*
     * Execute command ourselves if we're here because the send failed (or
     * else we would have exited above).
     */
    if (parmp->serverStr != NULL)
    {
        char_u *p;

        server_to_input_buf(serverConvert(parmp->serverStrEnc,
                                                       parmp->serverStr, &p));
        vim_free(p);
    }
}

    static void
cmdsrv_main(argc, argv, serverName_arg, serverStr)
    int         *argc;
    char        **argv;
    char_u      *serverName_arg;
    char_u      **serverStr;
{
    char_u      *res;
    int         i;
    char_u      *sname;
    int         ret;
    int         didone = FALSE;
    int         exiterr = 0;
    char        **newArgV = argv + 1;
    int         newArgC = 1,
                Argc = *argc;
    int         argtype;
#define ARGTYPE_OTHER           0
#define ARGTYPE_EDIT            1
#define ARGTYPE_EDIT_WAIT       2
#define ARGTYPE_SEND            3
    int         silent = FALSE;
    int         tabs = FALSE;
# ifdef WIN32
    HWND        srv;
# elif defined(MAC_CLIENTSERVER)
    int         srv;
# elif defined(FEAT_X11)
    Window      srv;

    setup_term_clip();
# endif

    sname = serverMakeName(serverName_arg, argv[0]);
    if (sname == NULL)
        return;

    /*
     * Execute the command server related arguments and remove them
     * from the argc/argv array; We may have to return into main()
     */
    for (i = 1; i < Argc; i++)
    {
        res = NULL;
        if (STRCMP(argv[i], "--") == 0) /* end of option arguments */
        {
            for (; i < *argc; i++)
            {
                *newArgV++ = argv[i];
                newArgC++;
            }
            break;
        }

        if (STRICMP(argv[i], "--remote-send") == 0)
            argtype = ARGTYPE_SEND;
        else if (STRNICMP(argv[i], "--remote", 8) == 0)
        {
            char        *p = argv[i] + 8;

            argtype = ARGTYPE_EDIT;
            while (*p != NUL)
            {
                if (STRNICMP(p, "-wait", 5) == 0)
                {
                    argtype = ARGTYPE_EDIT_WAIT;
                    p += 5;
                }
                else if (STRNICMP(p, "-silent", 7) == 0)
                {
                    silent = TRUE;
                    p += 7;
                }
                else if (STRNICMP(p, "-tab", 4) == 0)
                {
                    tabs = TRUE;
                    p += 4;
                }
                else
                {
                    argtype = ARGTYPE_OTHER;
                    break;
                }
            }
        }
        else
            argtype = ARGTYPE_OTHER;

        if (argtype != ARGTYPE_OTHER)
        {
            if (i == *argc - 1)
                mainerr_arg_missing((char_u *)argv[i]);
            if (argtype == ARGTYPE_SEND)
            {
                *serverStr = (char_u *)argv[i + 1];
                i++;
            }
            else
            {
                *serverStr = build_drop_cmd(*argc - i - 1, argv + i + 1,
                                          tabs, argtype == ARGTYPE_EDIT_WAIT);
                if (*serverStr == NULL)
                {
                    /* Probably out of memory, exit. */
                    didone = TRUE;
                    exiterr = 1;
                    break;
                }
                Argc = i;
            }
# ifdef FEAT_X11
            if (xterm_dpy == NULL)
            {
                mch_errmsg(_("No display"));
                ret = -1;
            }
            else
                ret = serverSendToVim(xterm_dpy, sname, *serverStr,
                                                    NULL, &srv, 0, 0, silent);
# elif defined(WIN32) || defined(MAC_CLIENTSERVER)
            /* Win32 always works? */
            ret = serverSendToVim(sname, *serverStr, NULL, &srv, 0, silent);
# endif
            if (ret < 0)
            {
                if (argtype == ARGTYPE_SEND)
                {
                    /* Failed to send, abort. */
                    mch_errmsg(_(": Send failed.\n"));
                    didone = TRUE;
                    exiterr = 1;
                }
                else if (!silent)
                    /* Let vim start normally.  */
                    mch_errmsg(_(": Send failed. Trying to execute locally\n"));
                break;
            }

# ifdef FEAT_GUI_W32
            /* Guess that when the server name starts with "g" it's a GUI
             * server, which we can bring to the foreground here.
             * Foreground() in the server doesn't work very well. */
            if (argtype != ARGTYPE_SEND && TOUPPER_ASC(*sname) == 'G')
                SetForegroundWindow(srv);
# endif

            /*
             * For --remote-wait: Wait until the server did edit each
             * file.  Also detect that the server no longer runs.
             */
            if (ret >= 0 && argtype == ARGTYPE_EDIT_WAIT)
            {
                int     numFiles = *argc - i - 1;
                int     j;
                char_u  *done = alloc(numFiles);
                char_u  *p;
# ifdef FEAT_GUI_W32
                NOTIFYICONDATA ni;
                int     count = 0;
                extern HWND message_window;
# endif

                if (numFiles > 0 && argv[i + 1][0] == '+')
                    /* Skip "+cmd" argument, don't wait for it to be edited. */
                    --numFiles;

# ifdef FEAT_GUI_W32
                ni.cbSize = sizeof(ni);
                ni.hWnd = message_window;
                ni.uID = 0;
                ni.uFlags = NIF_ICON|NIF_TIP;
                ni.hIcon = LoadIcon((HINSTANCE)GetModuleHandle(0), "IDR_VIM");
                sprintf(ni.szTip, _("%d of %d edited"), count, numFiles);
                Shell_NotifyIcon(NIM_ADD, &ni);
# endif

                /* Wait for all files to unload in remote */
                memset(done, 0, numFiles);
                while (memchr(done, 0, numFiles) != NULL)
                {
# ifdef WIN32
                    p = serverGetReply(srv, NULL, TRUE, TRUE);
                    if (p == NULL)
                        break;
# elif defined(FEAT_X11)
                    if (serverReadReply(xterm_dpy, srv, &p, TRUE) < 0)
                        break;
# elif defined(MAC_CLIENTSERVER)
                    if (serverReadReply(srv, &p) < 0)
                        break;
# endif
                    j = atoi((char *)p);
                    if (j >= 0 && j < numFiles)
                    {
# ifdef FEAT_GUI_W32
                        ++count;
                        sprintf(ni.szTip, _("%d of %d edited"),
                                                             count, numFiles);
                        Shell_NotifyIcon(NIM_MODIFY, &ni);
# endif
                        done[j] = 1;
                    }
                }
# ifdef FEAT_GUI_W32
                Shell_NotifyIcon(NIM_DELETE, &ni);
# endif
            }
        }
        else if (STRICMP(argv[i], "--remote-expr") == 0)
        {
            if (i == *argc - 1)
                mainerr_arg_missing((char_u *)argv[i]);
# ifdef WIN32
            /* Win32 always works? */
            if (serverSendToVim(sname, (char_u *)argv[i + 1],
                                                    &res, NULL, 1, FALSE) < 0)
# elif defined(FEAT_X11)
            if (xterm_dpy == NULL)
                mch_errmsg(_("No display: Send expression failed.\n"));
            else if (serverSendToVim(xterm_dpy, sname, (char_u *)argv[i + 1],
                                                 &res, NULL, 1, 1, FALSE) < 0)
# elif defined(MAC_CLIENTSERVER)
            if (serverSendToVim(sname, (char_u *)argv[i + 1],
                        &res, NULL, 1, FALSE) < 0)
# endif
            {
                if (res != NULL && *res != NUL)
                {
                    /* Output error from remote */
                    mch_errmsg((char *)res);
                    vim_free(res);
                    res = NULL;
                }
                mch_errmsg(_(": Send expression failed.\n"));
            }
        }
        else if (STRICMP(argv[i], "--serverlist") == 0)
        {
# if defined(WIN32) ||  defined(MAC_CLIENTSERVER)
            /* Win32 always works? */
            res = serverGetVimNames();
# elif defined(FEAT_X11)
            if (xterm_dpy != NULL)
                res = serverGetVimNames(xterm_dpy);
# endif
            if (called_emsg)
                mch_errmsg("\n");
        }
        else if (STRICMP(argv[i], "--servername") == 0)
        {
            /* Alredy processed. Take it out of the command line */
            i++;
            continue;
        }
        else
        {
            *newArgV++ = argv[i];
            newArgC++;
            continue;
        }
        didone = TRUE;
        if (res != NULL && *res != NUL)
        {
            mch_msg((char *)res);
            if (res[STRLEN(res) - 1] != '\n')
                mch_msg("\n");
        }
        vim_free(res);
    }

    if (didone)
    {
        display_errors();       /* display any collected messages */
        exit(exiterr);  /* Mission accomplished - get out */
    }

    /* Return back into main() */
    *argc = newArgC;
    vim_free(sname);
}

/*
 * Build a ":drop" command to send to a Vim server.
 */
    static char_u *
build_drop_cmd(filec, filev, tabs, sendReply)
    int         filec;
    char        **filev;
    int         tabs;           /* Use ":tab drop" instead of ":drop". */
    int         sendReply;
{
    garray_T    ga;
    int         i;
    char_u      *inicmd = NULL;
    char_u      *p;
    char_u      cwd[MAXPATHL];

    if (filec > 0 && filev[0][0] == '+')
    {
        inicmd = (char_u *)filev[0] + 1;
        filev++;
        filec--;
    }
    /* Check if we have at least one argument. */
    if (filec <= 0)
        mainerr_arg_missing((char_u *)filev[-1]);
    if (mch_dirname(cwd, MAXPATHL) != OK)
        return NULL;
    if ((p = vim_strsave_escaped_ext(cwd,
#ifdef BACKSLASH_IN_FILENAME
                    "",  /* rem_backslash() will tell what chars to escape */
#else
                    PATH_ESC_CHARS,
#endif
                    '\\', TRUE)) == NULL)
        return NULL;
    ga_init2(&ga, 1, 100);
    ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
    ga_concat(&ga, p);
    vim_free(p);

    /* Call inputsave() so that a prompt for an encryption key works. */
    ga_concat(&ga, (char_u *)"<CR>:if exists('*inputsave')|call inputsave()|endif|");
    if (tabs)
        ga_concat(&ga, (char_u *)"tab ");
    ga_concat(&ga, (char_u *)"drop");
    for (i = 0; i < filec; i++)
    {
        /* On Unix the shell has already expanded the wildcards, don't want to
         * do it again in the Vim server.  On MS-Windows only escape
         * non-wildcard characters. */
        p = vim_strsave_escaped((char_u *)filev[i],
#ifdef UNIX
                PATH_ESC_CHARS
#else
                (char_u *)" \t%#"
#endif
                );
        if (p == NULL)
        {
            vim_free(ga.ga_data);
            return NULL;
        }
        ga_concat(&ga, (char_u *)" ");
        ga_concat(&ga, p);
        vim_free(p);
    }
    /* The :drop commands goes to Insert mode when 'insertmode' is set, use
     * CTRL-\ CTRL-N again. */
    ga_concat(&ga, (char_u *)"|if exists('*inputrestore')|call inputrestore()|endif<CR>");
    ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd -");
    if (sendReply)
        ga_concat(&ga, (char_u *)"<CR>:call SetupRemoteReplies()");
    ga_concat(&ga, (char_u *)"<CR>:");
    if (inicmd != NULL)
    {
        /* Can't use <CR> after "inicmd", because an "startinsert" would cause
         * the following commands to be inserted as text.  Use a "|",
         * hopefully "inicmd" does allow this... */
        ga_concat(&ga, inicmd);
        ga_concat(&ga, (char_u *)"|");
    }
    /* Bring the window to the foreground, goto Insert mode when 'im' set and
     * clear command line. */
    ga_concat(&ga, (char_u *)"cal foreground()|if &im|star|en|redr|f<CR>");
    ga_append(&ga, NUL);
    return ga.ga_data;
}

/*
 * Replace termcodes such as <CR> and insert as key presses if there is room.
 */
    void
server_to_input_buf(str)
    char_u      *str;
{
    char_u      *ptr = NULL;
    char_u      *cpo_save = p_cpo;

    /* Set 'cpoptions' the way we want it.
     *    B set - backslashes are *not* treated specially
     *    k set - keycodes are *not* reverse-engineered
     *    < unset - <Key> sequences *are* interpreted
     *  The last but one parameter of replace_termcodes() is TRUE so that the
     *  <lt> sequence is recognised - needed for a real backslash.
     */
    p_cpo = (char_u *)"Bk";
    str = replace_termcodes((char_u *)str, &ptr, FALSE, TRUE, FALSE);
    p_cpo = cpo_save;

    if (*ptr != NUL)    /* trailing CTRL-V results in nothing */
    {
        /*
         * Add the string to the input stream.
         * Can't use add_to_input_buf() here, we now have K_SPECIAL bytes.
         *
         * First clear typed characters from the typeahead buffer, there could
         * be half a mapping there.  Then append to the existing string, so
         * that multiple commands from a client are concatenated.
         */
        if (typebuf.tb_maplen < typebuf.tb_len)
            del_typebuf(typebuf.tb_len - typebuf.tb_maplen, typebuf.tb_maplen);
        (void)ins_typebuf(str, REMAP_NONE, typebuf.tb_len, TRUE, FALSE);

        /* Let input_available() know we inserted text in the typeahead
         * buffer. */
        typebuf_was_filled = TRUE;
    }
    vim_free((char_u *)ptr);
}

/*
 * Evaluate an expression that the client sent to a string.
 * Handles disabling error messages and disables debugging, otherwise Vim
 * hangs, waiting for "cont" to be typed.
 */
    char_u *
eval_client_expr_to_string(expr)
    char_u *expr;
{
    char_u      *res;
    int         save_dbl = debug_break_level;
    int         save_ro = redir_off;

    debug_break_level = -1;
    redir_off = 0;
    ++emsg_skip;

    res = eval_to_string(expr, NULL, TRUE);

    debug_break_level = save_dbl;
    redir_off = save_ro;
    --emsg_skip;

    /* A client can tell us to redraw, but not to display the cursor, so do
     * that here. */
    setcursor();
    out_flush();
#ifdef FEAT_GUI
    if (gui.in_use)
        gui_update_cursor(FALSE, FALSE);
#endif

    return res;
}

/*
 * If conversion is needed, convert "data" from "client_enc" to 'encoding' and
 * return an allocated string.  Otherwise return "data".
 * "*tofree" is set to the result when it needs to be freed later.
 */
/*ARGSUSED*/
    char_u *
serverConvert(client_enc, data, tofree)
    char_u *client_enc;
    char_u *data;
    char_u **tofree;
{
    char_u      *res = data;

    *tofree = NULL;
# ifdef FEAT_MBYTE
    if (client_enc != NULL && p_enc != NULL)
    {
        vimconv_T       vimconv;

        vimconv.vc_type = CONV_NONE;
        if (convert_setup(&vimconv, client_enc, p_enc) != FAIL
                                              && vimconv.vc_type != CONV_NONE)
        {
            res = string_convert(&vimconv, data, NULL);
            if (res == NULL)
                res = data;
            else
                *tofree = res;
        }
        convert_setup(&vimconv, NULL, NULL);
    }
# endif
    return res;
}


/*
 * Make our basic server name: use the specified "arg" if given, otherwise use
 * the tail of the command "cmd" we were started with.
 * Return the name in allocated memory.  This doesn't include a serial number.
 */
    static char_u *
serverMakeName(arg, cmd)
    char_u      *arg;
    char        *cmd;
{
    char_u *p;

    if (arg != NULL && *arg != NUL)
        p = vim_strsave_up(arg);
    else
    {
        p = vim_strsave_up(gettail((char_u *)cmd));
        /* Remove .exe or .bat from the name. */
        if (p != NULL && vim_strchr(p, '.') != NULL)
            *vim_strchr(p, '.') = NUL;
    }
    return p;
}
#endif /* FEAT_CLIENTSERVER */

/*
 * When FEAT_FKMAP is defined, also compile the Farsi source code.
 */
#if defined(FEAT_FKMAP) || defined(PROTO)
# include "farsi.c"
#endif

/*
 * When FEAT_ARABIC is defined, also compile the Arabic source code.
 */
#if defined(FEAT_ARABIC) || defined(PROTO)
# include "arabic.c"
#endif