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2011年(32)

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分类: Delphi

2011-12-08 18:20:51

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

#define EXTERN
#include "vim.h"

#ifdef SPAWNO
# include         /* special MS-DOS swapping library */
#endif

#ifdef HAVE_FCNTL_H
# include
#endif

#ifdef __CYGWIN__
# ifndef WIN32
#  include     /* for cygwin_conv_to_posix_path() */
# endif
# include
#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. */

    /*
     * 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(¶ms, 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(¶ms.argc, ¶ms.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(¶ms.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
     */
    early_arg_scan(¶ms);

#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(¶ms.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(¶ms);
#endif

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

    /*
     * Process the command line arguments.  File names are put in the global
     * argument list "global_alist".
     */
    command_line_scan(¶ms);
    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(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;

    /* 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

    /*
     * 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(¶ms);

    /* 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(¶ms);

    /* Source startup scripts. */
    source_startup_scripts(¶ms);

#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(¶ms);
#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 redifined 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;

    /*
     * Create the requested number of windows and edit buffers in them.
     * Also does recovery if "recoverymode" set.
     */
    create_windows(¶ms);
    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(¶ms);
#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(¶ms);

    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");

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

    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 */

#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 (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;
        }
    }
    if (got_int && !global_busy)
    {
        if (!quit_more)
        (void)vgetc();        /* flush all buffers */
        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 defined(USE_XSMP) || defined(FEAT_GUI_MSWIN) || defined(PROTO)
/*
 * 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


/* Exit properly */
    void
getout(exitval)
    int        exitval;
{
#ifdef FEAT_AUTOCMD
    buf_T    *buf;
    win_T    *wp;
    tabpage_T    *tp, *next_tp;
#endif

    exiting = TRUE;

    /* 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;

    /* 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

    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, "");
# 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)
    {
        STRCPY(NameBuff, p);
        STRCAT(NameBuff, "/lang");
        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;
    }

    if (TOLOWER_ASC(initstr[0]) == 'g' || initstr[0] == 'k')
    {
    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
 */
/*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
# ifdef FEAT_GUI_GTK
    else if (STRICMP(argv[i], "--socketid") == 0)
    {
        unsigned int    socket_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]), "%x", &socket_id);
        else
        count = sscanf(argv[i+1], "%u", &socket_id);
        if (count != 1)
        mainerr(ME_INVALID_ARG, (char_u *)argv[i]);
        else
        gtk_socket_id = socket_id;
        i++;
    }
    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 " 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
#ifdef FEAT_GUI_GTK
        else if (STRNICMP(argv[0] + argv_idx, "socketid", 8) == 0)
        {
            /* already processed -- snatch the following arg */
            if (argc > 1)
            {
            --argc;
            ++argv;
            }
        }
        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
        curwin->w_p_rl = p_fkmap = TRUE;
#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
        curwin->w_p_rl = p_hkmap = TRUE;
#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 */
#ifdef TARGET_API_MAC_OSX
        /* 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];

        cygwin_conv_to_posix_path(p, posix_path);
        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,
                                parmp->diff_mode);
        }
#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 continuosly 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;
    buf_T    *old_curbuf;

# 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. */
        old_curbuf = curbuf;
        (void)do_ecmd(0, arg_idx < GARGCOUNT
              ? alist_name(&GARGLIST[arg_idx]) : NULL,
              NULL, NULL, ECMD_LASTL, ECMD_HIDE);
        if (curbuf == old_curbuf)
        {
        if (got_int || only_one_window())
        {
            /* abort selected or quit and only one window */
            did_emsg = FALSE;   /* avoid hit-enter prompt */
            getout(1);
        }
        win_close(curwin, TRUE);
        advance = FALSE;
        }
        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
#ifdef MACOS_X
    (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 evironment 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(_("where 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]\t\tVerbose level"));
    main_msg(_("-D\t\t\tDebugging mode"));
    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 \t\tUse 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 \tSet terminal type to "));
    main_msg(_("-u \t\tUse instead of any .vimrc"));
#ifdef FEAT_GUI
    main_msg(_("-U \t\tUse instead of any .gvimrc"));
#endif
    main_msg(_("--noplugin\t\tDon't load plugin scripts"));
    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"));
    main_msg(_("+\t\t\tStart at end of file"));
    main_msg(_("+\t\tStart at line "));
    main_msg(_("--cmd \tExecute before loading any vimrc file"));
    main_msg(_("-c \t\tExecute after loading the first file"));
    main_msg(_("-S \t\tSource file after loading the first file"));
    main_msg(_("-s \tRead Normal mode commands from file "));
    main_msg(_("-w \tAppend all typed commands to file "));
    main_msg(_("-W \tWrite all typed commands to file "));
#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 \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 \tEdit in a Vim server if possible"));
    main_msg(_("--remote-silent   Same, don't complain if there is no server"));
    main_msg(_("--remote-wait   As --remote but wait for files to have been edited"));
    main_msg(_("--remote-wait-silent   Same, don't complain if there is no server"));
# ifdef FEAT_WINDOWS
    main_msg(_("--remote-tab   As --remote but open tab page for each file"));
# endif
    main_msg(_("--remote-send \tSend to a Vim server and exit"));
    main_msg(_("--remote-expr \tEvaluate in a Vim server and print result"));
    main_msg(_("--serverlist\t\tList available Vim server names and exit"));
    main_msg(_("--servername \tSend to/become the Vim server "));
#endif
#ifdef FEAT_VIMINFO
    main_msg(_("-i \t\tUse 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 \tRun vim on "));
    main_msg(_("-iconic\t\tStart vim iconified"));
# if 0
    main_msg(_("-name \t\tUse resource as if vim was "));
    mch_msg(_("\t\t\t  (Unimplemented)\n"));
# endif
    main_msg(_("-background \tUse for the background (also: -bg)"));
    main_msg(_("-foreground \tUse for normal text (also: -fg)"));
    main_msg(_("-font \t\tUse for normal text (also: -fn)"));
    main_msg(_("-boldfont \tUse for bold text"));
    main_msg(_("-italicfont \tUse for italic text"));
    main_msg(_("-geometry \tUse for initial geometry (also: -geom)"));
    main_msg(_("-borderwidth \tUse a border width of (also: -bw)"));
    main_msg(_("-scrollbarwidth   Use a scrollbar width of (also: -sw)"));
# ifdef FEAT_GUI_ATHENA
    main_msg(_("-menuheight \tUse a menu bar height of (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 \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 \tInitial width of window in columns"));
    main_msg(_("--rows \tInitial height of window in rows"));
#endif
#ifdef FEAT_GUI_GTK
    mch_msg(_("\nArguments recognised by gvim (GTK+ version):\n"));
    main_msg(_("-font \t\tUse for normal text (also: -fn)"));
    main_msg(_("-geometry \tUse for initial geometry (also: -geom)"));
    main_msg(_("-reverse\t\tUse reverse video (also: -rv)"));
    main_msg(_("-display \tRun vim on (also: --display)"));
# ifdef HAVE_GTK2
    main_msg(_("--role \tSet a unique role to identify the main window"));
# endif
    main_msg(_("--socketid \tOpen Vim inside another GTK widget"));
#endif
#ifdef FEAT_GUI_W32
    main_msg(_("-P \tOpen Vim inside parent application"));
#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;
# ifndef FEAT_X11
    HWND    srv;
# else
    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);
# else
        /* 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;
# else
            if (serverReadReply(xterm_dpy, srv, &p, TRUE) < 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)
# else
        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)
# 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)
    {
# ifdef WIN32
        /* Win32 always works? */
        res = serverGetVimNames();
# else
        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, PATH_ESC_CHARS, '\\', TRUE)) == NULL)
    return NULL;
    ga_init2(&ga, 1, 100);
    ga_concat(&ga, (char_u *)":cd ");
    ga_concat(&ga, p);
    vim_free(p);

    /* Call inputsave() so that a prompt for an encryption key works. */
    ga_concat(&ga, (char_u *)":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");
    ga_concat(&ga, (char_u *)":cd -");
    if (sendReply)
    ga_concat(&ga, (char_u *)":call SetupRemoteReplies()");
    ga_concat(&ga, (char_u *)":");
    if (inicmd != NULL)
    {
    /* Can't use 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");
    ga_append(&ga, NUL);
    return ga.ga_data;
}

/*
 * Replace termcodes such as 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 - sequences *are* interpreted
     *  The last but one parameter of replace_termcodes() is TRUE so that the
     *  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

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