1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Edward Wang at The University of California, Berkeley. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#) Copyright (c) 1983, 1993 The Regents of the University of California. All rights reserved. 37 * @(#)main.c 8.2 (Berkeley) 4/2/94 38 * $FreeBSD: src/usr.bin/window/main.c,v 1.5.6.2 2001/05/17 09:45:00 obrien Exp $ 39 * $DragonFly: src/usr.bin/window/main.c,v 1.3 2004/08/30 18:06:50 eirikn Exp $ 40 */ 41 42 #include "defs.h" 43 #include <paths.h> 44 #include <locale.h> 45 #include <stdio.h> 46 #include <string.h> /* System string definitions. */ 47 #include "mystring.h" /* Local string definitions. */ 48 #include "char.h" 49 #include "local.h" 50 51 #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage())) 52 53 /*ARGSUSED*/ 54 main(argc, argv) 55 char **argv; 56 { 57 register char *p; 58 char fflag = 0; 59 char dflag = 0; 60 char xflag = 0; 61 char *cmd = 0; 62 char tflag = 0; 63 64 escapec = ESCAPEC; 65 if (p = strrchr(*argv, '/')) 66 p++; 67 else 68 p = *argv; 69 debug = strcmp(p, "a.out") == 0; 70 while (*++argv) { 71 if (**argv == '-') { 72 switch (*++*argv) { 73 case 'f': 74 fflag++; 75 break; 76 case 'c': 77 if (cmd != 0) { 78 (void) fprintf(stderr, 79 "Only one -c allowed.\n"); 80 (void) usage(); 81 } 82 cmd = next(argv); 83 break; 84 case 'e': 85 setescape(next(argv)); 86 break; 87 case 't': 88 tflag++; 89 break; 90 case 'd': 91 dflag++; 92 break; 93 case 'D': 94 debug = !debug; 95 break; 96 case 'x': 97 xflag++; 98 break; 99 default: 100 (void) usage(); 101 } 102 } else 103 (void) usage(); 104 } 105 if ((p = getenv("SHELL")) == 0) 106 p = _PATH_BSHELL; 107 if ((default_shellfile = str_cpy(p)) == 0) { 108 (void) fprintf(stderr, "Out of memory.\n"); 109 exit(1); 110 } 111 if (p = strrchr(default_shellfile, '/')) 112 p++; 113 else 114 p = default_shellfile; 115 default_shell[0] = p; 116 default_shell[1] = 0; 117 default_nline = NLINE; 118 default_smooth = 1; 119 (void) gettimeofday(&starttime, (struct timezone *)0); 120 (void) setlocale(LC_CTYPE, ""); 121 if (wwinit() < 0) { 122 (void) fprintf(stderr, "%s.\n", wwerror()); 123 exit(1); 124 } 125 126 #ifdef OLD_TTY 127 if (debug) 128 wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; 129 if (xflag) { 130 wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc; 131 wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc; 132 } 133 #else 134 if (debug) { 135 wwnewtty.ww_termios.c_cc[VQUIT] = 136 wwoldtty.ww_termios.c_cc[VQUIT]; 137 wwnewtty.ww_termios.c_lflag |= ISIG; 138 } 139 if (xflag) { 140 wwnewtty.ww_termios.c_cc[VSTOP] = 141 wwoldtty.ww_termios.c_cc[VSTOP]; 142 wwnewtty.ww_termios.c_cc[VSTART] = 143 wwoldtty.ww_termios.c_cc[VSTART]; 144 wwnewtty.ww_termios.c_iflag |= IXON; 145 } 146 #endif 147 if (debug || xflag) 148 (void) wwsettty(0, &wwnewtty); 149 150 if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol, 151 0, 0, 0)) == 0) { 152 wwflush(); 153 (void) fprintf(stderr, "%s.\r\n", wwerror()); 154 goto bad; 155 } 156 cmdwin->ww_mapnl = 1; 157 cmdwin->ww_nointr = 1; 158 cmdwin->ww_noupdate = 1; 159 cmdwin->ww_unctrl = 1; 160 if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0)) 161 == 0) { 162 wwflush(); 163 (void) fprintf(stderr, "%s.\r\n", wwerror()); 164 goto bad; 165 } 166 wwadd(framewin, &wwhead); 167 if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) { 168 wwflush(); 169 (void) fprintf(stderr, "%s.\r\n", wwerror()); 170 goto bad; 171 } 172 fgwin = framewin; 173 174 wwupdate(); 175 wwflush(); 176 setvars(); 177 178 setterse(tflag); 179 setcmd(1); 180 if (cmd != 0) 181 (void) dolongcmd(cmd, (struct value *)0, 0); 182 if (!fflag) 183 if (dflag || doconfig() < 0) 184 dodefault(); 185 if (selwin != 0) 186 setcmd(0); 187 188 mloop(); 189 190 bad: 191 wwend(1); 192 return 0; 193 } 194 195 usage() 196 { 197 (void) fprintf(stderr, "usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n"); 198 exit(1); 199 return 0; /* for lint */ 200 } 201