usr.bin/window/main.c

   1 /*      $NetBSD: main.c,v 1.14 2008/07/21 14:19:28 lukem 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. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <sys/cdefs.h>
  36 #ifndef lint
  37 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\
  38  The Regents of the University of California.  All rights reserved.");
  39 #endif /* not lint */
  40
  41 #ifndef lint
  42 #if 0
  43 static char sccsid[] = "@(#)main.c      8.2 (Berkeley) 4/2/94";
  44 #else
  45 __RCSID("$NetBSD: main.c,v 1.14 2008/07/21 14:19:28 lukem Exp $");
  46 #endif
  47 #endif /* not lint */
  48
  49 #include <err.h>
  50 #include <paths.h>
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53 #include <string.h>
  54 #include <unistd.h>
  55
  56 #include "defs.h"
  57 #include "window_string.h"
  58 #include "char.h"
  59 #include "local.h"
  60
  61 int     main(int, char **);
  62 void    usage(void);
  63
  64 int
  65 main(int argc, char **argv)
  66 {
  67         char *p;
  68         const char *kp;
  69         char fflag = 0;
  70         char dflag = 0;
  71         char xflag = 0;
  72         char *cmd = 0;
  73         char tflag = 0;
  74         int ch;
  75
  76         escapec = ESCAPEC;
  77         debug = strcmp(getprogname(), "a.out") == 0;
  78         while ((ch = getopt(argc, argv, "fc:e:tdDx")) != -1) {
  79                 switch (ch) {
  80                 case 'f':
  81                         fflag++;
  82                         break;
  83                 case 'c':
  84                         if (cmd != 0) {
  85                                 warnx("Only one -c allowed");
  86                                 usage();
  87                         }
  88                         cmd = optarg;
  89                         break;
  90                 case 'e':
  91                         setescape(optarg);
  92                         break;
  93                 case 't':
  94                         tflag++;
  95                         break;
  96                 case 'd':
  97                         dflag++;
  98                         break;
  99                 case 'D':
 100                         debug = !debug;
 101                         break;
 102                 case 'x':
 103                         xflag++;
 104                         break;
 105                 default:
 106                         usage();
 107                 }
 108         }
 109         if ((kp = getenv("SHELL")) == 0)
 110                 kp = _PATH_BSHELL;
 111         if ((default_shellfile = str_cpy(kp)) == 0)
 112                 errx(1, "Out of memory.");
 113         if ((p = strrchr(default_shellfile, '/')))
 114                 p++;
 115         else
 116                 p = default_shellfile;
 117         default_shell[0] = p;
 118         default_shell[1] = 0;
 119         default_nline = NLINE;
 120         default_smooth = 1;
 121         (void) gettimeofday(&starttime, (struct timezone *)0);
 122         if (wwinit() < 0)
 123                 errx(1, "%s", wwerror());
 124
 125 #ifdef OLD_TTY
 126         if (debug)
 127                 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
 128         if (xflag) {
 129                 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
 130                 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
 131         }
 132 #else
 133         if (debug) {
 134                 wwnewtty.ww_termios.c_cc[VQUIT] =
 135                         wwoldtty.ww_termios.c_cc[VQUIT];
 136                 wwnewtty.ww_termios.c_lflag |= ISIG;
 137         }
 138         if (xflag) {
 139                 wwnewtty.ww_termios.c_cc[VSTOP] =
 140                         wwoldtty.ww_termios.c_cc[VSTOP];
 141                 wwnewtty.ww_termios.c_cc[VSTART] =
 142                         wwoldtty.ww_termios.c_cc[VSTART];
 143                 wwnewtty.ww_termios.c_iflag |= IXON;
 144         }
 145 #endif
 146         if (debug || xflag)
 147                 (void) wwsettty(0, &wwnewtty);
 148
 149         if ((cmdwin = wwopen(WWT_INTERNAL, wwbaud > 2400 ? WWO_REVERSE : 0, 1,
 150                              wwncol, 0, 0, 0)) == 0) {
 151                 wwflush();
 152                 warnx("%s.\r", wwerror());
 153                 goto bad;
 154         }
 155         SET(cmdwin->ww_wflags,
 156             WWW_MAPNL | WWW_NOINTR | WWW_NOUPDATE | WWW_UNCTRL);
 157         if ((framewin = wwopen(WWT_INTERNAL, WWO_GLASS|WWO_FRAME, wwnrow,
 158                                wwncol, 0, 0, 0)) == 0) {
 159                 wwflush();
 160                 warnx("%s.\r", wwerror());
 161                 goto bad;
 162         }
 163         wwadd(framewin, &wwhead);
 164         if ((boxwin = wwopen(WWT_INTERNAL, WWO_GLASS, wwnrow, wwncol, 0, 0, 0))
 165             == 0) {
 166                 wwflush();
 167                 warnx("%s.\r", wwerror());
 168                 goto bad;
 169         }
 170         fgwin = framewin;
 171
 172         wwupdate();
 173         wwflush();
 174         setvars();
 175
 176         setterse(tflag);
 177         setcmd(1);
 178         if (cmd != 0)
 179                 (void) dolongcmd(cmd, (struct value *)0, 0);
 180         if (!fflag)
 181                 if (dflag || doconfig() < 0)
 182                         dodefault();
 183         if (selwin != 0)
 184                 setcmd(0);
 185
 186         mloop();
 187
 188 bad:
 189         wwend(1);
 190         return 0;
 191 }
 192
 193 void
 194 usage(void)
 195 {
 196         (void) fprintf(stderr,
 197             "usage: %s [-e escape-char] [-c command] [-t] [-f] [-d]\n",
 198             getprogname());
 199         exit(1);
 200 }