1/* $NetBSD: main.c,v 1.17 2011/08/13 14:11:16 wiz 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 43static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/2/94"; 44#else 45__RCSID("$NetBSD: main.c,v 1.17 2011/08/13 14:11:16 wiz 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__dead static void usage(void); 62 63int 64main(int argc, char **argv) 65{ 66 char *p; 67 const char *kp; 68 char fflag = 0; 69 char dflag = 0; 70 char xflag = 0; 71 char *cmd = 0; 72 char tflag = 0; 73 int ch; 74 75 escapec = ESCAPEC; 76 debug = strcmp(getprogname(), "a.out") == 0; 77 while ((ch = getopt(argc, argv, "fc:e:tdDx")) != -1) { 78 switch (ch) { 79 case 'f': 80 fflag++; 81 break; 82 case 'c': 83 if (cmd != 0) { 84 warnx("Only one -c allowed"); 85 usage(); 86 } 87 cmd = optarg; 88 break; 89 case 'e': 90 setescape(optarg); 91 break; 92 case 't': 93 tflag++; 94 break; 95 case 'd': 96 dflag++; 97 break; 98 case 'D': 99 debug = !debug; 100 break; 101 case 'x': 102 xflag++; 103 break; 104 default: 105 usage(); 106 } 107 } 108 if ((kp = getenv("SHELL")) == 0) 109 kp = _PATH_BSHELL; 110 if ((default_shellfile = str_cpy(kp)) == 0) 111 errx(1, "Out of memory."); 112 if ((p = strrchr(default_shellfile, '/'))) 113 p++; 114 else 115 p = default_shellfile; 116 default_shell[0] = p; 117 default_shell[1] = 0; 118 default_nline = NLINE; 119 default_smooth = 1; 120 (void) gettimeofday(&starttime, (struct timezone *)0); 121 if (wwinit() < 0) 122 errx(1, "%s", wwerror()); 123 124#ifdef OLD_TTY 125 if (debug) 126 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; 127 if (xflag) { 128 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc; 129 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc; 130 } 131#else 132 if (debug) { 133 wwnewtty.ww_termios.c_cc[VQUIT] = 134 wwoldtty.ww_termios.c_cc[VQUIT]; 135 wwnewtty.ww_termios.c_lflag |= ISIG; 136 } 137 if (xflag) { 138 wwnewtty.ww_termios.c_cc[VSTOP] = 139 wwoldtty.ww_termios.c_cc[VSTOP]; 140 wwnewtty.ww_termios.c_cc[VSTART] = 141 wwoldtty.ww_termios.c_cc[VSTART]; 142 wwnewtty.ww_termios.c_iflag |= IXON; 143 } 144#endif 145 if (debug || xflag) 146 (void) wwsettty(0, &wwnewtty); 147 148 if ((cmdwin = wwopen(WWT_INTERNAL, wwbaud > 2400 ? WWO_REVERSE : 0, 1, 149 wwncol, 0, 0, 0)) == 0) { 150 wwflush(); 151 warnx("%s.\r", wwerror()); 152 goto bad; 153 } 154 SET(cmdwin->ww_wflags, 155 WWW_MAPNL | WWW_NOINTR | WWW_NOUPDATE | WWW_UNCTRL); 156 if ((framewin = wwopen(WWT_INTERNAL, WWO_GLASS|WWO_FRAME, wwnrow, 157 wwncol, 0, 0, 0)) == 0) { 158 wwflush(); 159 warnx("%s.\r", wwerror()); 160 goto bad; 161 } 162 wwadd(framewin, &wwhead); 163 if ((boxwin = wwopen(WWT_INTERNAL, WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) 164 == 0) { 165 wwflush(); 166 warnx("%s.\r", wwerror()); 167 goto bad; 168 } 169 fgwin = framewin; 170 171 wwupdate(); 172 wwflush(); 173 setvars(); 174 175 setterse(tflag); 176 setcmd(1); 177 if (cmd != 0) 178 (void) dolongcmd(cmd, (struct value *)0, 0); 179 if (!fflag) 180 if (dflag || doconfig() < 0) 181 dodefault(); 182 if (selwin != 0) 183 setcmd(0); 184 185 mloop(); 186 187bad: 188 wwend(1); 189 return 0; 190} 191 192static void 193usage(void) 194{ 195 (void) fprintf(stderr, 196 "usage: %s [-dft] [-c command] [-e escape-char]\n", 197 getprogname()); 198 exit(1); 199} 200