1 /* @(#)main.c 8.2 (Berkeley) 4/2/94 */ 2 /* $NetBSD: main.c,v 1.15 2009/04/14 08:50:06 lukem Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Edward Wang at The University of California, Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <err.h> 37 #include <paths.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <unistd.h> 42 43 #include "defs.h" 44 #include "window_string.h" 45 #include "char.h" 46 #include "local.h" 47 48 static void usage(void) __dead2; 49 50 int 51 main(int argc, char **argv) 52 { 53 char *p; 54 const char *kp; 55 char fflag = 0; 56 char dflag = 0; 57 char xflag = 0; 58 char *cmd = NULL; 59 char tflag = 0; 60 int ch; 61 62 escapec = ESCAPEC; 63 debug = strcmp(getprogname(), "a.out") == 0; 64 while ((ch = getopt(argc, argv, "fc:e:tdDx")) != -1) { 65 switch (ch) { 66 case 'f': 67 fflag++; 68 break; 69 case 'c': 70 if (cmd != NULL) { 71 warnx("Only one -c allowed"); 72 usage(); 73 } 74 cmd = optarg; 75 break; 76 case 'e': 77 setescape(optarg); 78 break; 79 case 't': 80 tflag++; 81 break; 82 case 'd': 83 dflag++; 84 break; 85 case 'D': 86 debug = !debug; 87 break; 88 case 'x': 89 xflag++; 90 break; 91 default: 92 usage(); 93 } 94 } 95 if ((kp = getenv("SHELL")) == NULL) 96 kp = _PATH_BSHELL; 97 if ((default_shellfile = str_cpy(kp)) == 0) 98 errx(1, "Out of memory."); 99 if ((p = strrchr(default_shellfile, '/'))) 100 p++; 101 else 102 p = default_shellfile; 103 default_shell[0] = p; 104 default_shell[1] = 0; 105 default_nline = NLINE; 106 default_smooth = 1; 107 (void) gettimeofday(&starttime, (struct timezone *)0); 108 if (wwinit() < 0) 109 errx(1, "%s", wwerror()); 110 111 #ifdef OLD_TTY 112 if (debug) 113 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; 114 if (xflag) { 115 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc; 116 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc; 117 } 118 #else 119 if (debug) { 120 wwnewtty.ww_termios.c_cc[VQUIT] = 121 wwoldtty.ww_termios.c_cc[VQUIT]; 122 wwnewtty.ww_termios.c_lflag |= ISIG; 123 } 124 if (xflag) { 125 wwnewtty.ww_termios.c_cc[VSTOP] = 126 wwoldtty.ww_termios.c_cc[VSTOP]; 127 wwnewtty.ww_termios.c_cc[VSTART] = 128 wwoldtty.ww_termios.c_cc[VSTART]; 129 wwnewtty.ww_termios.c_iflag |= IXON; 130 } 131 #endif 132 if (debug || xflag) 133 (void) wwsettty(0, &wwnewtty); 134 135 if ((cmdwin = wwopen(WWT_INTERNAL, wwbaud > 2400 ? WWO_REVERSE : 0, 1, 136 wwncol, 0, 0, 0)) == 0) { 137 wwflush(); 138 warnx("%s.\r", wwerror()); 139 goto bad; 140 } 141 SET(cmdwin->ww_wflags, 142 WWW_MAPNL | WWW_NOINTR | WWW_NOUPDATE | WWW_UNCTRL); 143 if ((framewin = wwopen(WWT_INTERNAL, WWO_GLASS|WWO_FRAME, wwnrow, 144 wwncol, 0, 0, 0)) == 0) { 145 wwflush(); 146 warnx("%s.\r", wwerror()); 147 goto bad; 148 } 149 wwadd(framewin, &wwhead); 150 if ((boxwin = wwopen(WWT_INTERNAL, WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) 151 == 0) { 152 wwflush(); 153 warnx("%s.\r", wwerror()); 154 goto bad; 155 } 156 fgwin = framewin; 157 158 wwupdate(); 159 wwflush(); 160 setvars(); 161 162 setterse(tflag); 163 setcmd(1); 164 if (cmd != NULL) 165 (void) dolongcmd(cmd, (struct value *)0, 0); 166 if (!fflag) 167 if (dflag || doconfig() < 0) 168 dodefault(); 169 if (selwin != 0) 170 setcmd(0); 171 172 mloop(); 173 174 bad: 175 wwend(1); 176 return 0; 177 } 178 179 static void 180 usage(void) 181 { 182 (void) fprintf(stderr, 183 "usage: %s [-dft] [-c command] [-e escape-char]\n", 184 getprogname()); 185 exit(1); 186 } 187