window/main.c

   1 /*      $NetBSD: main.c,v 1.8 1998/02/03 04:27:35 perry Exp $   */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Edward Wang at The University of California, Berkeley.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 #ifndef lint
  41 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
  42         The Regents of the University of California.  All rights reserved.\n");
  43 #endif /* not lint */
  44
  45 #ifndef lint
  46 #if 0
  47 static char sccsid[] = "@(#)main.c      8.2 (Berkeley) 4/2/94";
  48 #else
  49 __RCSID("$NetBSD: main.c,v 1.8 1998/02/03 04:27:35 perry Exp $");
  50 #endif
  51 #endif /* not lint */
  52
  53 #include <err.h>
  54 #include <paths.h>
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58 #include <unistd.h>
  59
  60 #include "defs.h"
  61 #include "window_string.h"
  62 #include "char.h"
  63 #include "local.h"
  64
  65 int     main __P((int, char **));
  66 void    usage __P((void));
  67
  68 extern char *__progname;        /* from crt0.o */
  69
  70 int
  71 main(argc, argv)
  72         int argc;
  73         char **argv;
  74 {
  75         char *p;
  76         char fflag = 0;
  77         char dflag = 0;
  78         char xflag = 0;
  79         char *cmd = 0;
  80         char tflag = 0;
  81         int ch;
  82
  83         escapec = ESCAPEC;
  84         debug = strcmp(__progname, "a.out") == 0;
  85         while ((ch = getopt(argc, argv, "fc:e:tdDx")) != -1) {
  86                 switch (ch) {
  87                 case 'f':
  88                         fflag++;
  89                         break;
  90                 case 'c':
  91                         if (cmd != 0) {
  92                                 warnx("Only one -c allowed");
  93                                 usage();
  94                         }
  95                         cmd = optarg;
  96                         break;
  97                 case 'e':
  98                         setescape(optarg);
  99                         break;
 100                 case 't':
 101                         tflag++;
 102                         break;
 103                 case 'd':
 104                         dflag++;
 105                         break;
 106                 case 'D':
 107                         debug = !debug;
 108                         break;
 109                 case 'x':
 110                         xflag++;
 111                         break;
 112                 default:
 113                         usage();
 114                 }
 115         }
 116         if ((p = getenv("SHELL")) == 0)
 117                 p = _PATH_BSHELL;
 118         if ((default_shellfile = str_cpy(p)) == 0)
 119                 errx(1, "Out of memory.");
 120         if ((p = strrchr(default_shellfile, '/')))
 121                 p++;
 122         else
 123                 p = default_shellfile;
 124         default_shell[0] = p;
 125         default_shell[1] = 0;
 126         default_nline = NLINE;
 127         default_smooth = 1;
 128         (void) gettimeofday(&starttime, (struct timezone *)0);
 129         if (wwinit() < 0)
 130                 errx(1, "%s", wwerror());
 131
 132 #ifdef OLD_TTY
 133         if (debug)
 134                 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
 135         if (xflag) {
 136                 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
 137                 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
 138         }
 139 #else
 140         if (debug) {
 141                 wwnewtty.ww_termios.c_cc[VQUIT] =
 142                         wwoldtty.ww_termios.c_cc[VQUIT];
 143                 wwnewtty.ww_termios.c_lflag |= ISIG;
 144         }
 145         if (xflag) {
 146                 wwnewtty.ww_termios.c_cc[VSTOP] =
 147                         wwoldtty.ww_termios.c_cc[VSTOP];
 148                 wwnewtty.ww_termios.c_cc[VSTART] =
 149                         wwoldtty.ww_termios.c_cc[VSTART];
 150                 wwnewtty.ww_termios.c_iflag |= IXON;
 151         }
 152 #endif
 153         if (debug || xflag)
 154                 (void) wwsettty(0, &wwnewtty);
 155
 156         if ((cmdwin = wwopen(WWT_INTERNAL, wwbaud > 2400 ? WWO_REVERSE : 0, 1,
 157                              wwncol, 0, 0, 0)) == 0) {
 158                 wwflush();
 159                 warnx("%s.\r", wwerror());
 160                 goto bad;
 161         }
 162         SET(cmdwin->ww_wflags,
 163             WWW_MAPNL | WWW_NOINTR | WWW_NOUPDATE | WWW_UNCTRL);
 164         if ((framewin = wwopen(WWT_INTERNAL, WWO_GLASS|WWO_FRAME, wwnrow,
 165                                wwncol, 0, 0, 0)) == 0) {
 166                 wwflush();
 167                 warnx("%s.\r", wwerror());
 168                 goto bad;
 169         }
 170         wwadd(framewin, &wwhead);
 171         if ((boxwin = wwopen(WWT_INTERNAL, WWO_GLASS, wwnrow, wwncol, 0, 0, 0))
 172             == 0) {
 173                 wwflush();
 174                 warnx("%s.\r", wwerror());
 175                 goto bad;
 176         }
 177         fgwin = framewin;
 178
 179         wwupdate();
 180         wwflush();
 181         setvars();
 182
 183         setterse(tflag);
 184         setcmd(1);
 185         if (cmd != 0)
 186                 (void) dolongcmd(cmd, (struct value *)0, 0);
 187         if (!fflag)
 188                 if (dflag || doconfig() < 0)
 189                         dodefault();
 190         if (selwin != 0)
 191                 setcmd(0);
 192
 193         mloop();
 194
 195 bad:
 196         wwend(1);
 197         return 0;
 198 }
 199
 200 void
 201 usage()
 202 {
 203         (void) fprintf(stderr,
 204             "Usage: %s [-e escape-char] [-c command] [-t] [-f] [-d]\n",
 205             __progname);
 206         exit(1);
 207 }