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 int main(int, char **); 49 void usage(void); 50 51 int 52 main(int argc, char **argv) 53 { 54 char *p; 55 const char *kp; 56 char fflag = 0; 57 char dflag = 0; 58 char xflag = 0; 59 char *cmd = NULL; 60 char tflag = 0; 61 int ch; 62 63 escapec = ESCAPEC; 64 debug = strcmp(getprogname(), "a.out") == 0; 65 while ((ch = getopt(argc, argv, "fc:e:tdDx")) != -1) { 66 switch (ch) { 67 case 'f': 68 fflag++; 69 break; 70 case 'c': 71 if (cmd != NULL) { 72 warnx("Only one -c allowed"); 73 usage(); 74 } 75 cmd = optarg; 76 break; 77 case 'e': 78 setescape(optarg); 79 break; 80 case 't': 81 tflag++; 82 break; 83 case 'd': 84 dflag++; 85 break; 86 case 'D': 87 debug = !debug; 88 break; 89 case 'x': 90 xflag++; 91 break; 92 default: 93 usage(); 94 } 95 } 96 if ((kp = getenv("SHELL")) == NULL) 97 kp = _PATH_BSHELL; 98 if ((default_shellfile = str_cpy(kp)) == 0) 99 errx(1, "Out of memory."); 100 if ((p = strrchr(default_shellfile, '/'))) 101 p++; 102 else 103 p = default_shellfile; 104 default_shell[0] = p; 105 default_shell[1] = 0; 106 default_nline = NLINE; 107 default_smooth = 1; 108 (void) gettimeofday(&starttime, (struct timezone *)0); 109 if (wwinit() < 0) 110 errx(1, "%s", wwerror()); 111 112 #ifdef OLD_TTY 113 if (debug) 114 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; 115 if (xflag) { 116 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc; 117 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc; 118 } 119 #else 120 if (debug) { 121 wwnewtty.ww_termios.c_cc[VQUIT] = 122 wwoldtty.ww_termios.c_cc[VQUIT]; 123 wwnewtty.ww_termios.c_lflag |= ISIG; 124 } 125 if (xflag) { 126 wwnewtty.ww_termios.c_cc[VSTOP] = 127 wwoldtty.ww_termios.c_cc[VSTOP]; 128 wwnewtty.ww_termios.c_cc[VSTART] = 129 wwoldtty.ww_termios.c_cc[VSTART]; 130 wwnewtty.ww_termios.c_iflag |= IXON; 131 } 132 #endif 133 if (debug || xflag) 134 (void) wwsettty(0, &wwnewtty); 135 136 if ((cmdwin = wwopen(WWT_INTERNAL, wwbaud > 2400 ? WWO_REVERSE : 0, 1, 137 wwncol, 0, 0, 0)) == 0) { 138 wwflush(); 139 warnx("%s.\r", wwerror()); 140 goto bad; 141 } 142 SET(cmdwin->ww_wflags, 143 WWW_MAPNL | WWW_NOINTR | WWW_NOUPDATE | WWW_UNCTRL); 144 if ((framewin = wwopen(WWT_INTERNAL, WWO_GLASS|WWO_FRAME, wwnrow, 145 wwncol, 0, 0, 0)) == 0) { 146 wwflush(); 147 warnx("%s.\r", wwerror()); 148 goto bad; 149 } 150 wwadd(framewin, &wwhead); 151 if ((boxwin = wwopen(WWT_INTERNAL, WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) 152 == 0) { 153 wwflush(); 154 warnx("%s.\r", wwerror()); 155 goto bad; 156 } 157 fgwin = framewin; 158 159 wwupdate(); 160 wwflush(); 161 setvars(); 162 163 setterse(tflag); 164 setcmd(1); 165 if (cmd != NULL) 166 (void) dolongcmd(cmd, (struct value *)0, 0); 167 if (!fflag) 168 if (dflag || doconfig() < 0) 169 dodefault(); 170 if (selwin != 0) 171 setcmd(0); 172 173 mloop(); 174 175 bad: 176 wwend(1); 177 return 0; 178 } 179 180 void 181 usage(void) 182 { 183 (void) fprintf(stderr, 184 "usage: %s [-e escape-char] [-c command] [-t] [-f] [-d]\n", 185 getprogname()); 186 exit(1); 187 } 188