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-rw-r--r--usr.bin/vim/main.c1081
1 files changed, 1081 insertions, 0 deletions
diff --git a/usr.bin/vim/main.c b/usr.bin/vim/main.c
new file mode 100644
index 00000000000..43d9841e981
--- /dev/null
+++ b/usr.bin/vim/main.c
@@ -0,0 +1,1081 @@
+/* $OpenBSD: main.c,v 1.1 1996/09/07 21:40:26 downsj Exp $ */
+/* vi:set ts=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.
+ */
+
+#define EXTERN
+#include "vim.h"
+#include "globals.h"
+#include "proto.h"
+#include "option.h"
+
+#ifdef SPAWNO
+# include <spawno.h> /* special MSDOS swapping library */
+#endif
+
+static void usage __PARMS((int, char_u *));
+static int stdout_notty = FALSE; /* is stdout not a terminal? */
+
+/*
+ * Types of usage message required. These must match the array of error
+ * messages in usage().
+ */
+#define USAGE_UNKNOWN_OPTION 0
+#define USAGE_TOO_MANY_ARGS 1
+#define USAGE_ARG_MISSING 2
+#define USAGE_GARBAGE 3
+
+ static void
+usage(n, str)
+ int n;
+ char_u *str;
+{
+ register int i;
+ static char_u *(use[]) = {(char_u *)"[file ..]",
+ (char_u *)"-t tag",
+ (char_u *)"-e [errorfile]"};
+ static char_u *(errors[]) = {(char_u *)"Unknown option",
+ (char_u *)"Too many arguments",
+ (char_u *)"Argument missing after",
+ (char_u *)"Garbage after option",
+ };
+
+#if defined(UNIX) || defined(__EMX__)
+ reset_signals(); /* kill us with CTRL-C here, if you like */
+#endif
+
+ fprintf(stderr, longVersion);
+ fprintf(stderr, "\n");
+ fprintf(stderr, (char *)errors[n]);
+ if (str != NULL)
+ fprintf(stderr, ": \"%s\"", str);
+ fprintf(stderr, "\nusage:");
+ for (i = 0; ; ++i)
+ {
+ fprintf(stderr, " vim [options] ");
+ fprintf(stderr, (char *)use[i]);
+ if (i == (sizeof(use) / sizeof(char_u *)) - 1)
+ break;
+ fprintf(stderr, "\n or:");
+ }
+
+ fprintf(stderr, "\n\nOptions:\n");
+#ifdef USE_GUI
+ fprintf(stderr, " -g\t\t\tRun using GUI\n");
+ fprintf(stderr, " -f\t\t\tForeground: Don't fork when starting GUI\n");
+#endif
+ fprintf(stderr, " -R or -v\t\tReadonly mode (view mode)\n");
+ fprintf(stderr, " -b\t\t\tBinary mode\n");
+ fprintf(stderr, " -l\t\t\tLisp mode\n");
+ fprintf(stderr, " -n\t\t\tNo swap file, use memory only\n");
+ fprintf(stderr, " -r\t\t\tList swap files\n");
+ fprintf(stderr, " -r (with file name)\tRecover crashed session\n");
+ fprintf(stderr, " -L\t\t\tSame as -r\n");
+#ifdef AMIGA
+ fprintf(stderr, " -x\t\t\tDon't use newcli to open window\n");
+ fprintf(stderr, " -d <device>\t\tUse <device> for I/O\n");
+#endif
+#ifdef RIGHTLEFT
+ fprintf(stderr, " -H\t\t\tstart in Hebrew mode\n");
+#endif
+ fprintf(stderr, " -T <terminal>\tSet terminal type to <terminal>\n");
+ fprintf(stderr, " -o[N]\t\tOpen N windows (default: one for each file)\n");
+ fprintf(stderr, " +\t\t\tStart at end of file\n");
+ fprintf(stderr, " +<lnum>\t\tStart at line <lnum>\n");
+ fprintf(stderr, " -c <command>\t\tExecute <command> first\n");
+ fprintf(stderr, " -s <scriptin>\tRead commands from script file <scriptin>\n");
+ fprintf(stderr, " -w <scriptout>\tAppend commands to script file <scriptout>\n");
+ fprintf(stderr, " -W <scriptout>\tWrite commands to script file <scriptout>\n");
+ fprintf(stderr, " -u <vimrc>\t\tUse <vimrc> instead of any .vimrc\n");
+ fprintf(stderr, " -i <viminfo>\t\tUse <viminfo> instead of .viminfo\n");
+ fprintf(stderr, " --\t\t\tEnd of options\n");
+
+#ifdef USE_GUI_X11
+# ifdef USE_GUI_MOTIF
+ fprintf(stderr, "\nOptions recognised by gvim (Motif version):\n");
+# else
+# ifdef USE_GUI_ATHENA
+ fprintf(stderr, "\nOptions recognised by gvim (Athena version):\n");
+# endif /* USE_GUI_ATHENA */
+# endif /* USE_GUI_MOTIF */
+ fprintf(stderr, " -display <display>\tRun vim on <display>\n");
+ fprintf(stderr, " -iconic\t\tStart vim iconified\n");
+# if 0
+ fprintf(stderr, " -name <name>\t\tUse resource as if vim was <name>\n");
+ fprintf(stderr, "\t\t\t (Unimplemented)\n");
+# endif
+ fprintf(stderr, " -background <color>\tUse <color> for the background (also: -bg)\n");
+ fprintf(stderr, " -foreground <color>\tUse <color> for normal text (also: -fg)\n");
+ fprintf(stderr, " -bold <color>\tUse <color> for bold text\n");
+ fprintf(stderr, " -italic <color>\tUse <color> for italic text\n");
+ fprintf(stderr, " -underline <color>\tUse <color> for underlined text (also: -ul)\n");
+ fprintf(stderr, " -cursor <color>\tUse <color> for cursor\n");
+ fprintf(stderr, " -font <font>\t\tUse <font> for normal text (also: -fn)\n");
+ fprintf(stderr, " -boldfont <font>\tUse <font> for bold text\n");
+ fprintf(stderr, " -italicfont <font>\tUse <font> for italic text\n");
+ fprintf(stderr, " -geometry <geom>\tUse <geom> for initial geometry (also: -geom)\n");
+ fprintf(stderr, " -borderwidth <width>\tUse a border width of <width> (also: -bw)\n");
+ fprintf(stderr, " -scrollbarwidth <width>\tUse a scrollbar width of <width> (also: -sw)\n");
+ fprintf(stderr, " -menuheight <height>\tUse a menu bar height of <height> (also: -mh)\n");
+ fprintf(stderr, " -reverse\t\tUse reverse video (also: -rv)\n");
+ fprintf(stderr, " +reverse\t\tDon't use reverse video (also: +rv)\n");
+ fprintf(stderr, " -xrm <resource>\tSet the specified resource\n");
+#endif /* USE_GUI_X11 */
+
+ mch_windexit(1);
+}
+
+#ifdef HAVE_LOCALE_H
+# include <locale.h>
+#endif
+
+ void
+main(argc, argv)
+ int argc;
+ char **argv;
+{
+ char_u *initstr; /* init string from the environment */
+ char_u *term = NULL; /* specified terminal name */
+ char_u *fname = NULL; /* file name from command line */
+ char_u *command = NULL; /* command from + or -c option */
+ char_u *tagname = NULL; /* tag from -t option */
+ char_u *use_vimrc = NULL; /* vimrc from -u option */
+ int c;
+ int doqf = 0;
+ int i;
+ int bin_mode = FALSE; /* -b option used */
+ int vi_mode = FALSE; /* run as vi */
+ int window_count = 1; /* number of windows to use */
+ int arg_idx = 0; /* index for arg_files[] */
+ int check_version = FALSE; /* check .vimrc version number */
+ int argv_idx; /* index in argv[n][] */
+
+#if defined(MSDOS) || defined(WIN32) || defined(OS2)
+ static struct initmap
+ {
+ char_u *arg;
+ int mode;
+ } initmappings[] =
+ {
+ /* normal and visual mode */
+#ifdef MSDOS
+ {(char_u *)"\316w H", NORMAL+VISUAL}, /* CTRL-HOME is 'H' */
+ {(char_u *)"\316u L", NORMAL+VISUAL}, /* CTRL-END is 'L' */
+ {(char_u *)"\316\204 1G", NORMAL+VISUAL}, /* CTRL-PageUp is '1G' */
+ {(char_u *)"\316v G", NORMAL+VISUAL}, /* CTRL-PageDown is 'G' */
+#else /* WIN32 */
+ /* Use the Windows (CUA) keybindings */
+ {(char_u *)"\316w 1G", NORMAL+VISUAL}, /* CTRL-HOME is '1G' */
+ {(char_u *)"\316u G$", NORMAL+VISUAL}, /* CTRL-END is 'G$' */
+ {(char_u *)"\316\204 H", NORMAL+VISUAL}, /* CTRL-PageUp is 'H' */
+ {(char_u *)"\316v L$", NORMAL+VISUAL}, /* CTRL-PageDown is 'L$' */
+ {(char_u *)"\316s B", NORMAL+VISUAL}, /* CTRL-Left is 'B' */
+ {(char_u *)"\316t W", NORMAL+VISUAL}, /* CTRL-Right is 'W' */
+#endif /* WIN32 */
+
+ /* insert mode */
+#ifdef MSDOS
+ {(char_u *)"\316w \017H", INSERT}, /* CTRL-HOME is '^OH' */
+ {(char_u *)"\316u \017L", INSERT}, /* CTRL-END is '^OL' */
+ {(char_u *)"\316\204 \017\061G", INSERT}, /* CTRL-PageUp is '^O1G' */
+ {(char_u *)"\316v \017G", INSERT}, /* CTRL-PageDown is '^OG' */
+#else /* WIN32 */
+ /* Use the Windows (CUA) keybindings */
+ {(char_u *)"\316w \017\061G", INSERT}, /* CTRL-HOME is '^O1G' */
+ {(char_u *)"\316u \017G\017$", INSERT}, /* CTRL-END is '^OG^O$' */
+ {(char_u *)"\316\204 \017H",INSERT}, /* CTRL-PageUp is '^OH'*/
+ {(char_u *)"\316v \017L\017$", INSERT}, /* CTRL-PageDown ='^OL^O$'*/
+ {(char_u *)"\316s \017B", INSERT}, /* CTRL-Left is '^OB' */
+ {(char_u *)"\316t \017W", INSERT}, /* CTRL-Right is '^OW' */
+#endif /* WIN32 */
+ };
+#endif
+
+#ifdef __EMX__
+ _wildcard(&argc, &argv);
+#endif
+
+#ifdef HAVE_LOCALE_H
+ setlocale(LC_ALL, ""); /* for ctype() and the like */
+#endif
+
+#ifdef USE_GUI
+ gui_prepare(&argc, argv); /* Prepare for possibly starting GUI sometime */
+#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 argument.
+ */
+ stdout_notty = (mch_check_win(argc, argv) == FAIL);
+
+/*
+ * allocate the first window and buffer. Can't do anything without it
+ */
+ if ((curwin = win_alloc(NULL)) == NULL ||
+ (curbuf = buflist_new(NULL, NULL, 1L, FALSE)) == NULL)
+ mch_windexit(0);
+ curwin->w_buffer = curbuf;
+ screen_start(); /* don't know where cursor is yet */
+
+/*
+ * Allocate space for the generic buffers (needed for set_init_1()).
+ */
+ if ((IObuff = alloc(IOSIZE)) == NULL ||
+ (NameBuff = alloc(MAXPATHL)) == NULL)
+ mch_windexit(0);
+
+/*
+ * Set the default values for the options.
+ * First find out the home directory, needed to expand "~" in options.
+ */
+ init_homedir(); /* find real value of $HOME */
+ set_init_1();
+
+/*
+ * If the executable is called "view" we start in readonly mode.
+ */
+ if (STRCMP(gettail((char_u *)argv[0]), (char_u *)"view") == 0)
+ {
+ readonlymode = TRUE;
+ curbuf->b_p_ro = TRUE;
+ if (p_uc) /* if we are doing any updating.. */
+ p_uc = 10000; /* ..don't update very often */
+ }
+
+/*
+ * If the executable is called "gvim" we run the GUI version.
+ */
+ if (STRCMP(gettail((char_u *)argv[0]), (char_u *)"gvim") == 0)
+ {
+#ifdef USE_GUI
+ gui.starting = TRUE;
+#else
+ fprintf(stderr, (char *)e_nogvim);
+ mch_windexit(2);
+#endif
+ }
+
+/*
+ * If the executable is called "vi" we switch to compat mode.
+ */
+ if (STRCMP(gettail((char_u *)argv[0]), (char_u *)"vi") == 0)
+ {
+ vi_mode = TRUE;
+ }
+
+ ++argv;
+ /*
+ * Process the command line arguments
+ * '+{command}' execute command
+ * '-b' binary
+ * '-c {command}' execute command
+ * '-d {device}' device (for Amiga)
+ * '-f' Don't fork when starging GUI. (if USE_GUI defined)
+ * '-g' Run with GUI. (if USE_GUI defined)
+ * '-H' Start in right-left mode
+ * '-i viminfo' use instead of p_viminfo
+ * '-n' no .vim file
+ * '-o[N]' open N windows (default: number of files)
+ * '-r' recovery mode
+ * '-L' recovery mode
+ * '-s scriptin' read from script file
+ * '-T terminal' terminal name
+ * '-u vimrc' read initializations from a file
+ * '-v' view or Readonly mode
+ * '-R' view or Readonly mode
+ * '-w scriptout' write to script file (append)
+ * '-W scriptout' write to script file (overwrite)
+ * '-x' open window directly, not with newcli
+ */
+ argv_idx = 1; /* active option letter is argv[0][argv_idx] */
+
+ while (argc > 1 && ((c = argv[0][0]) == '+' || (c == '-' &&
+ vim_strchr((char_u *)"bcdfgHilLnorRsTuvwWx",
+ c = argv[0][argv_idx]) != NULL)))
+ {
+ ++argv_idx; /* advance to next option letter by default */
+ switch (c)
+ {
+ case '+': /* + or +{number} or +/{pat} or +{command} */
+ argv_idx = -1; /* skip to next argument */
+ if (argv[0][1] == NUL)
+ command = (char_u *)"$";
+ else
+ command = (char_u *)&(argv[0][1]);
+ break;
+
+ case 'b':
+ bin_mode = TRUE; /* postpone to after reading .exrc files */
+ break;
+
+#ifdef USE_GUI
+ case 'f':
+ gui.dofork = FALSE; /* don't fork() when starting GUI */
+ break;
+#endif
+
+ case 'g':
+#ifdef USE_GUI
+ gui.starting = TRUE; /* start GUI a bit later */
+#else
+ fprintf(stderr, (char *)e_nogvim);
+ mch_windexit(2);
+#endif
+ break;
+
+ case 'H': /* start in Hebrew mode: rl + hkmap set */
+#ifdef RIGHTLEFT
+ curwin->w_p_rl = p_hkmap = TRUE;
+#else
+ fprintf(stderr, (char *)e_nohebrew);
+ mch_windexit(2);
+#endif
+ break;
+
+ case 'l': /* -l: lisp mode, 'lisp' and 'showmatch' on */
+ curbuf->b_p_lisp = TRUE;
+ p_sm = TRUE;
+ break;
+
+ case 'n':
+ p_uc = 0;
+ break;
+
+ case 'o':
+ window_count = 0; /* default: open window for each file */
+ if (isdigit(argv[0][argv_idx]))
+ {
+ window_count = atoi(&(argv[0][argv_idx]));
+ while (isdigit(argv[0][argv_idx]))
+ ++argv_idx;
+ }
+ break;
+
+ case 'r':
+ case 'L':
+ recoverymode = 1;
+ break;
+
+ case 'v':
+ case 'R':
+ readonlymode = TRUE;
+ curbuf->b_p_ro = TRUE;
+ if (p_uc) /* if we are doing any updating.. */
+ p_uc = 10000; /* ..don't update very often */
+ break;
+
+ case 'x':
+ break; /* This is ignored as it is handled in mch_check_win() */
+
+
+ case 'w':
+ if (isdigit(argv[0][argv_idx])) /* -w{number}; set window height */
+ {
+ argv_idx = -1;
+ break; /* not implemented, ignored */
+ }
+ /* FALLTHROUGH */
+
+ default: /* options with argument */
+ /*
+ * Check there's no garbage immediately after the option letter.
+ */
+ if (argv[0][argv_idx] != NUL)
+ usage(USAGE_GARBAGE, (char_u *)argv[0]);
+
+ --argc;
+ if (argc < 2)
+ usage(USAGE_ARG_MISSING, (char_u *)argv[0]);
+ ++argv;
+ argv_idx = -1;
+
+ switch (c)
+ {
+ case 'c': /* -c {command} */
+ command = (char_u *)argv[0];
+ break;
+
+ /* case 'd': This is ignored as it is handled in mch_check_win() */
+
+ case 'i': /* -i {viminfo} */
+ use_viminfo = (char_u *)argv[0];
+ break;
+
+ case 's': /* -s {scriptin} */
+ if (scriptin[0] != NULL)
+ {
+ fprintf(stderr,
+ "Attempt to open script file again: \"%s %s\"\n",
+ argv[-1], argv[0]);
+ mch_windexit(2);
+ }
+ if ((scriptin[0] = fopen(argv[0], READBIN)) == NULL)
+ {
+ fprintf(stderr, "Cannot open \"%s\" for reading\n", argv[0]);
+ mch_windexit(2);
+ }
+ break;
+
+/*
+ * The -T term option is always available and when HAVE_TERMLIB is supported
+ * it overrides the environment variable TERM.
+ */
+ case 'T': /* -T {terminal} */
+ term = (char_u *)argv[0];
+ break;
+
+ case 'u': /* -u {vimrc} */
+ use_vimrc = (char_u *)argv[0];
+ break;
+
+ case 'w': /* -w {scriptout} (append) */
+ case 'W': /* -W {scriptout} (overwrite) */
+ if (scriptout != NULL)
+ {
+ fprintf(stderr,
+ "Attempt to open script file again: \"%s %s\"\n",
+ argv[-1], argv[0]);
+ mch_windexit(2);
+ }
+ if ((scriptout = fopen(argv[0],
+ c == 'w' ? APPENDBIN : WRITEBIN)) == NULL)
+ {
+ fprintf(stderr, "cannot open \"%s\" for output\n", argv[0]);
+ mch_windexit(2);
+ }
+ break;
+ }
+ }
+ /*
+ * 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;
+ }
+ }
+
+ /* note that we may use mch_windexit() before mch_windinit()! */
+ mch_windinit(); /* inits Rows and Columns */
+/*
+ * Set the default values for the options that use Rows and Columns.
+ */
+ set_init_2();
+
+ firstwin->w_height = Rows - 1;
+ cmdline_row = Rows - 1;
+
+ /*
+ * Process the other command line arguments.
+ * -e[errorfile] quickfix mode
+ * -t[tagname] jump to tag
+ * [--] [file ..] file names
+ */
+ if (argc > 1)
+ {
+ if (argv[0][0] == '-' && (argv[0][1] != '-' || argv[0][2] != NUL))
+ {
+ switch (argv[0][1])
+ {
+ case 'e': /* -e QuickFix mode */
+ switch (argc)
+ {
+ case 2:
+ if (argv[0][2]) /* -eerrorfile */
+ p_ef = (char_u *)argv[0] + 2;
+ break; /* -e */
+
+ case 3: /* -e errorfile */
+ if (argv[0][2] != NUL)
+ usage(USAGE_GARBAGE, (char_u *)argv[0]);
+ ++argv;
+ p_ef = (char_u *)argv[0];
+ break;
+
+ default: /* argc > 3: too many arguments */
+ usage(USAGE_TOO_MANY_ARGS, NULL);
+ }
+ doqf = 1;
+ break;
+
+ case 't': /* -t tag or -ttag */
+ switch (argc)
+ {
+ case 2:
+ if (argv[0][2]) /* -ttag */
+ {
+ tagname = (char_u *)argv[0] + 2;
+ break;
+ }
+ usage(USAGE_ARG_MISSING, (char_u *)argv[0]);
+ break;
+
+ case 3: /* -t tag */
+ if (argv[0][2] != NUL) /* also -ttag?! */
+ usage(USAGE_GARBAGE, (char_u *)argv[0]);
+ ++argv;
+ tagname = (char_u *)argv[0];
+ break;
+
+ default: /* argc > 3: too many arguments */
+ usage(USAGE_TOO_MANY_ARGS, NULL);
+ }
+ break;
+
+ default:
+ usage(USAGE_UNKNOWN_OPTION, (char_u *)argv[0]);
+ }
+ }
+ else /* must be a file name */
+ {
+ /*
+ * Skip a single "--" argument, used in front of a file name that
+ * starts with '-'.
+ */
+ if (argc > 2 && STRCMP(argv[0], "--") == 0)
+ {
+ ++argv;
+ --argc;
+ }
+
+#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
+ if (ExpandWildCards(argc - 1, (char_u **)argv, &arg_count,
+ &arg_files, TRUE, TRUE) == OK && arg_count != 0)
+ {
+ fname = arg_files[0];
+ arg_exp = TRUE;
+ }
+#else
+ arg_files = (char_u **)argv;
+ arg_count = argc - 1;
+ fname = (char_u *)argv[0];
+#endif
+ if (arg_count > 1)
+ {
+ printf("%d files to edit\n", arg_count);
+ screen_start(); /* don't know where cursor is now */
+ }
+ }
+ }
+
+ RedrawingDisabled = TRUE;
+
+ /*
+ * When listing swap file names, don't do cursor positioning et. al.
+ */
+ if (recoverymode && fname == NULL)
+ full_screen = FALSE;
+
+#ifdef USE_GUI
+ /*
+ * We don't want to open the GUI window until after we've read .vimrc,
+ * otherwise we don't know what font we will use, and hence we don't know
+ * what size the window should be. So if there are errors in the .vimrc
+ * file, they will have to go to the terminal -- webb
+ */
+ if (gui.starting)
+ full_screen = FALSE;
+#endif
+
+ /*
+ * Now print a warning if stdout is not a terminal.
+ */
+ if (full_screen && (stdout_notty || mch_check_input() == FAIL))
+ {
+ if (stdout_notty)
+ fprintf(stderr, "Vim: Warning: Output is not to a terminal\n");
+ if (mch_check_input() == FAIL)
+ fprintf(stderr, "Vim: Warning: Input is not from a terminal\n");
+ mch_delay(2000L, TRUE);
+ screen_start(); /* don't know where cursor is now */
+ }
+
+ curbuf->b_nwindows = 1; /* there is one window */
+ win_init(curwin); /* init current window */
+ init_yank(); /* init yank buffers */
+ if (full_screen)
+ termcapinit(term); /* set terminal name and get terminal
+ capabilities */
+ screenclear(); /* clear screen (just inits screen structures,
+ because starting is TRUE) */
+
+ if (full_screen)
+ msg_start(); /* in case a mapping or error message is printed */
+ msg_scroll = TRUE;
+ no_wait_return = TRUE;
+
+#if defined(MSDOS) || defined(WIN32) || defined(OS2)
+/*
+ * Default mapping for some often used keys.
+ * Need to put string in allocated memory, because do_map() will modify it.
+ */
+ for (i = 0; i < sizeof(initmappings) / sizeof(struct initmap); ++i)
+ {
+ initstr = strsave(initmappings[i].arg);
+ if (initstr != NULL)
+ {
+ do_map(0, initstr, initmappings[i].mode);
+ vim_free(initstr);
+ }
+ }
+#endif
+
+/*
+ * If -u option give, use only the initializations from that file and nothing
+ * else.
+ */
+ if (use_vimrc != NULL)
+ {
+ if (STRCMP(use_vimrc, "NONE") != 0)
+ {
+ if (do_source(use_vimrc, FALSE) == OK)
+ check_version = TRUE;
+ else
+ EMSG2("Cannot read from \"%s\"", use_vimrc);
+ }
+ }
+ else
+ {
+
+ /*
+ * get system wide defaults (for unix)
+ */
+#if defined(HAVE_CONFIG_H) || defined(OS2)
+ if (do_source(((vi_mode == TRUE) ? sys_compatrc_fname
+ : sys_vimrc_fname), TRUE) == OK)
+ check_version = TRUE;
+#endif
+
+ /*
+ * Try to read initialization commands from the following places:
+ * - environment variable VIMINIT
+ * - user vimrc file (s:.vimrc for Amiga, ~/.vimrc for Unix)
+ * - environment variable EXINIT
+ * - user exrc file (s:.exrc for Amiga, ~/.exrc for Unix)
+ * The first that exists is used, the rest is ignored.
+ */
+ if ((initstr = vim_getenv((char_u *)"VIMINIT")) != NULL &&
+ *initstr != NUL)
+ {
+ sourcing_name = (char_u *)"VIMINIT";
+ do_cmdline(initstr, TRUE, TRUE);
+ sourcing_name = NULL;
+ }
+ else if (do_source((char_u *)USR_VIMRC_FILE, TRUE) == FAIL)
+ {
+ if ((initstr = vim_getenv((char_u *)"EXINIT")) != NULL)
+ {
+ sourcing_name = (char_u *)"EXINIT";
+ do_cmdline(initstr, TRUE, TRUE);
+ sourcing_name = NULL;
+ }
+ else
+ (void)do_source((char_u *)USR_EXRC_FILE, FALSE);
+ }
+ else
+ check_version = TRUE;
+
+ /*
+ * 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 environmet of global ".exrc" or ".vimrc".
+ * Only do this if VIMRC_FILE is not the same as USR_VIMRC_FILE or
+ * sys_vimrc_fname.
+ */
+ if (p_exrc)
+ {
+#ifdef UNIX
+ {
+ struct stat s;
+
+ /* if ".vimrc" file is not owned by user, set 'secure' mode */
+ if (stat(VIMRC_FILE, &s) || s.st_uid != getuid())
+ secure = p_secure;
+ }
+#else
+ secure = p_secure;
+#endif
+
+ i = FAIL;
+ if (fullpathcmp((char_u *)USR_VIMRC_FILE,
+ (char_u *)VIMRC_FILE) != FPC_SAME
+#if defined(HAVE_CONFIG_H) || defined(OS2)
+ && fullpathcmp(((vi_mode == TRUE) ? sys_compatrc_fname : sys_vimrc_fname),
+ (char_u *)VIMRC_FILE) != FPC_SAME
+#endif
+ )
+ i = do_source((char_u *)VIMRC_FILE, TRUE);
+#ifdef UNIX
+ if (i == FAIL)
+ {
+ struct stat s;
+
+ /* if ".exrc" is not owned by user set 'secure' mode */
+ if (stat(EXRC_FILE, &s) || s.st_uid != getuid())
+ secure = p_secure;
+ else
+ secure = 0;
+ }
+ else
+ check_version = TRUE;
+#endif
+ if (i == FAIL && fullpathcmp((char_u *)USR_EXRC_FILE,
+ (char_u *)EXRC_FILE) != FPC_SAME)
+ (void)do_source((char_u *)EXRC_FILE, FALSE);
+ }
+ }
+
+ /*
+ * 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_windexit(0);
+ }
+
+ /*
+ * Set a few option defaults after reading .vimrc files:
+ * 'title' and 'icon', Unix: 'shellpipe' and 'shellredir'.
+ */
+ set_init_3();
+
+#ifdef USE_GUI
+ if (gui.starting)
+ {
+ gui_start();
+ gui.starting = FALSE;
+ full_screen = TRUE;
+ }
+#endif
+
+ /*
+ * If we read a .vimrc but it does not contain a "version 4.0" command,
+ * give the user a pointer to the help for the new version.
+ */
+ if (check_version && found_version == 0)
+ {
+ MSG("This is Vim version 4.0.");
+ MSG("No \":version 4.0\" command found in any .vimrc.");
+ MSG("Use \":help version\" for info about this new version.");
+ }
+
+#ifdef VIMINFO
+/*
+ * Read in registers, history etc, but not marks, from the viminfo file
+ */
+ if (*p_viminfo != NUL)
+ read_viminfo(NULL, TRUE, FALSE, FALSE);
+#endif /* VIMINFO */
+
+#ifdef SPAWNO /* special MSDOS swapping library */
+ init_SPAWNO("", SWAP_ANY);
+#endif
+
+ if (bin_mode) /* -b option used */
+ {
+ set_options_bin(curbuf->b_p_bin, 1);
+ curbuf->b_p_bin = 1; /* binary file I/O */
+ }
+
+ /* Don't set the file name if there was a command in .vimrc that already
+ * loaded the file */
+ if (curbuf->b_filename == NULL)
+ {
+ (void)setfname(fname, NULL, TRUE); /* includes maketitle() */
+ ++arg_idx; /* used first argument name */
+ }
+
+ if (window_count == 0)
+ window_count = arg_count;
+ if (window_count > 1)
+ {
+ /* Don't change the windows if there was a command in .vimrc that
+ * already split some windows */
+ if (firstwin->w_next == NULL)
+ window_count = make_windows(window_count);
+ else
+ window_count = win_count();
+ }
+ else
+ window_count = 1;
+
+/*
+ * "-e errorfile": Load the error file now.
+ * If the error file can't be read, exit before doing anything else.
+ */
+ if (doqf && qf_init() == FAIL) /* if reading error file fails: exit */
+ mch_windexit(3);
+
+/*
+ * Start putting things on the screen.
+ * Scroll screen down before drawing over it
+ * Clear screen now, so file message will not be cleared.
+ */
+ starting = FALSE;
+ no_wait_return = FALSE;
+ msg_scroll = FALSE;
+#ifdef USE_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.
+ */
+ if (gui.in_use)
+ gui_mch_wait_for_chars(50);
+#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(1), 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(1);
+ if (secure == 2 || need_wait_return || msg_didany)
+ wait_return(TRUE);
+
+ starttermcap(); /* start termcap if not done by wait_return() */
+#ifdef USE_MOUSE
+ setmouse(); /* may start using the mouse */
+#endif
+ if (scroll_region)
+ scroll_region_reset(); /* In case Rows changed */
+
+ secure = 0;
+
+ scroll_start();
+ screenclear(); /* clear screen */
+
+ no_wait_return = TRUE;
+
+ if (recoverymode) /* do recover */
+ {
+ msg_scroll = TRUE; /* scroll message up */
+ ml_recover();
+ msg_scroll = FALSE;
+ if (curbuf->b_ml.ml_mfp == NULL) /* failed */
+ getout(1);
+#ifdef AUTOCMD
+ apply_autocmds(EVENT_BUFENTER, NULL, NULL);
+#endif
+ do_modelines(); /* do modelines */
+ }
+ /* Only read the file if there is none for the current buffer, a command
+ * in the .vimrc might have loaded a file */
+ else if (curbuf->b_ml.ml_mfp == NULL)
+ (void)open_buffer(); /* create memfile and read file */
+
+ setpcmark();
+
+ /*
+ * When started with "-e errorfile" jump to first error now.
+ */
+ if (doqf)
+ qf_jump(0, 0);
+
+ /*
+ * If opened more than one window, start editing files in the other windows.
+ * Make_windows() has already opened the windows.
+ */
+ for (i = 1; i < window_count; ++i)
+ {
+ if (curwin->w_next == NULL) /* just checking */
+ break;
+ win_enter(curwin->w_next, FALSE);
+
+ /* 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_filename == NULL)
+ {
+ curwin->w_arg_idx = arg_idx;
+ /* edit file from arg list, if there is one */
+ (void)do_ecmd(0, arg_idx < arg_count ? arg_files[arg_idx] : NULL,
+ NULL, NULL, TRUE, (linenr_t)1, FALSE);
+ if (arg_idx == arg_count - 1)
+ arg_had_last = TRUE;
+ ++arg_idx;
+ }
+ mch_breakcheck();
+ if (got_int)
+ {
+ (void)vgetc(); /* only break the file loading, not the rest */
+ break;
+ }
+ }
+ win_enter(firstwin, FALSE); /* back to first window */
+ if (window_count > 1)
+ win_equal(curwin, FALSE); /* adjust heights */
+
+ /*
+ * If there are more file names in the argument list than windows,
+ * put the rest of the names in the buffer list.
+ */
+ while (arg_idx < arg_count)
+ (void)buflist_add(arg_files[arg_idx++]);
+
+ /*
+ * Need to jump to the tag before executing the '-c command'.
+ * Makes "vim -c '/return' -t main" work.
+ */
+ if (tagname)
+ {
+ STRCPY(IObuff, "ta ");
+ STRCAT(IObuff, tagname);
+ do_cmdline(IObuff, TRUE, TRUE);
+ }
+
+ if (command)
+ {
+ /*
+ * We start commands on line 0, make "vim +/pat file" match a
+ * pattern on line 1.
+ */
+ curwin->w_cursor.lnum = 0;
+ sourcing_name = (char_u *)"command line";
+ do_cmdline(command, TRUE, TRUE);
+ sourcing_name = NULL;
+ }
+
+ RedrawingDisabled = FALSE;
+ redraw_later(NOT_VALID);
+ no_wait_return = FALSE;
+
+ /* start in insert mode */
+ if (p_im)
+ need_start_insertmode = TRUE;
+
+/*
+ * main command loop
+ */
+ for (;;)
+ {
+ if (stuff_empty())
+ {
+ if (need_check_timestamps)
+ check_timestamps();
+ if (need_wait_return) /* if wait_return still needed ... */
+ wait_return(FALSE); /* ... call it now */
+ if (need_start_insertmode)
+ {
+ 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;
+ }
+ }
+ dont_wait_return = FALSE;
+ if (got_int)
+ {
+ (void)vgetc(); /* flush all buffers */
+ got_int = FALSE;
+ }
+ adjust_cursor(); /* put cursor on an existing line */
+ msg_scroll = FALSE;
+ quit_more = FALSE;
+ keep_help_flag = 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)
+ skip_redraw = FALSE;
+ else if (do_redraw || stuff_empty())
+ {
+ cursupdate(); /* Figure out where the cursor is based
+ on curwin->w_cursor. */
+#ifdef SLEEP_IN_EMSG
+ if (need_sleep) /* sleep before redrawing */
+ {
+ mch_delay(1000L, TRUE);
+ need_sleep = FALSE;
+ }
+#endif
+ if (VIsual_active)
+ update_curbuf(INVERTED);/* update inverted part */
+ if (must_redraw)
+ updateScreen(must_redraw);
+ else if (redraw_cmdline)
+ showmode();
+ if (keep_msg != NULL)
+ {
+ if (keep_msg_highlight)
+ {
+ (void)set_highlight(keep_msg_highlight);
+ msg_highlight = TRUE;
+ }
+ msg(keep_msg); /* display message after redraw */
+ }
+ if (need_fileinfo) /* used after jumping to a tag */
+ {
+ fileinfo(did_cd, TRUE, FALSE);
+ need_fileinfo = FALSE;
+ }
+
+ emsg_on_display = FALSE; /* can delete error message now */
+ msg_didany = FALSE; /* reset lines_left in msg_start() */
+ do_redraw = FALSE;
+ showruler(FALSE);
+
+ setcursor();
+ cursor_on();
+ }
+
+ /*
+ * get and execute a normal mode command
+ */
+ normal();
+ }
+ /*NOTREACHED*/
+}
+
+ void
+getout(r)
+ int r;
+{
+ exiting = TRUE;
+
+ /* Position the cursor on the last screen line, below all the text */
+#ifdef USE_GUI
+ if (!gui.in_use)
+#endif
+ windgoto((int)Rows - 1, 0);
+
+#ifdef AUTOCMD
+ apply_autocmds(EVENT_VIMLEAVE, NULL, NULL);
+
+ /* Position the cursor again, the autocommands may have moved it */
+# ifdef USE_GUI
+ if (!gui.in_use)
+# endif
+ windgoto((int)Rows - 1, 0);
+#endif
+
+#ifdef VIMINFO
+ /* Write out the registers, history, marks etc, to the viminfo file */
+ if (*p_viminfo != NUL)
+ write_viminfo(NULL, FALSE);
+#endif /* VIMINFO */
+
+ outchar('\r');
+ outchar('\n');
+ mch_windexit(r);
+}