Annotation of src/usr.bin/window/main.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: main.c,v 1.4 1995/09/28 10:34:27 tls 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. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the University of
! 21: * California, Berkeley and its contributors.
! 22: * 4. Neither the name of the University nor the names of its contributors
! 23: * may be used to endorse or promote products derived from this software
! 24: * without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 36: * SUCH DAMAGE.
! 37: */
! 38:
! 39: #ifndef lint
! 40: char copyright[] =
! 41: "@(#) Copyright (c) 1983, 1993\n\
! 42: The Regents of the University of California. All rights reserved.\n";
! 43: #endif /* not lint */
! 44:
! 45: #ifndef lint
! 46: #if 0
! 47: static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 4/2/94";
! 48: #else
! 49: static char rcsid[] = "$NetBSD: main.c,v 1.4 1995/09/28 10:34:27 tls Exp $";
! 50: #endif
! 51: #endif /* not lint */
! 52:
! 53: #include "defs.h"
! 54: #include <paths.h>
! 55: #include <stdio.h>
! 56: #include "string.h"
! 57: #include "char.h"
! 58: #include "local.h"
! 59:
! 60: #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)(long)usage()))
! 61:
! 62: /*ARGSUSED*/
! 63: main(argc, argv)
! 64: char **argv;
! 65: {
! 66: register char *p;
! 67: char fflag = 0;
! 68: char dflag = 0;
! 69: char xflag = 0;
! 70: char *cmd = 0;
! 71: char tflag = 0;
! 72:
! 73: escapec = ESCAPEC;
! 74: if (p = rindex(*argv, '/'))
! 75: p++;
! 76: else
! 77: p = *argv;
! 78: debug = strcmp(p, "a.out") == 0;
! 79: while (*++argv) {
! 80: if (**argv == '-') {
! 81: switch (*++*argv) {
! 82: case 'f':
! 83: fflag++;
! 84: break;
! 85: case 'c':
! 86: if (cmd != 0) {
! 87: (void) fprintf(stderr,
! 88: "Only one -c allowed.\n");
! 89: (void) usage();
! 90: }
! 91: cmd = next(argv);
! 92: break;
! 93: case 'e':
! 94: setescape(next(argv));
! 95: break;
! 96: case 't':
! 97: tflag++;
! 98: break;
! 99: case 'd':
! 100: dflag++;
! 101: break;
! 102: case 'D':
! 103: debug = !debug;
! 104: break;
! 105: case 'x':
! 106: xflag++;
! 107: break;
! 108: default:
! 109: (void) usage();
! 110: }
! 111: } else
! 112: (void) usage();
! 113: }
! 114: if ((p = getenv("SHELL")) == 0)
! 115: p = _PATH_BSHELL;
! 116: if ((default_shellfile = str_cpy(p)) == 0) {
! 117: (void) fprintf(stderr, "Out of memory.\n");
! 118: exit(1);
! 119: }
! 120: if (p = rindex(default_shellfile, '/'))
! 121: p++;
! 122: else
! 123: p = default_shellfile;
! 124: default_shell[0] = p;
! 125: default_shell[1] = 0;
! 126: default_nline = NLINE;
! 127: default_smooth = 1;
! 128: (void) gettimeofday(&starttime, (struct timezone *)0);
! 129: if (wwinit() < 0) {
! 130: (void) fprintf(stderr, "%s.\n", wwerror());
! 131: exit(1);
! 132: }
! 133:
! 134: #ifdef OLD_TTY
! 135: if (debug)
! 136: wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc;
! 137: if (xflag) {
! 138: wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc;
! 139: wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc;
! 140: }
! 141: #else
! 142: if (debug) {
! 143: wwnewtty.ww_termios.c_cc[VQUIT] =
! 144: wwoldtty.ww_termios.c_cc[VQUIT];
! 145: wwnewtty.ww_termios.c_lflag |= ISIG;
! 146: }
! 147: if (xflag) {
! 148: wwnewtty.ww_termios.c_cc[VSTOP] =
! 149: wwoldtty.ww_termios.c_cc[VSTOP];
! 150: wwnewtty.ww_termios.c_cc[VSTART] =
! 151: wwoldtty.ww_termios.c_cc[VSTART];
! 152: wwnewtty.ww_termios.c_iflag |= IXON;
! 153: }
! 154: #endif
! 155: if (debug || xflag)
! 156: (void) wwsettty(0, &wwnewtty);
! 157:
! 158: if ((cmdwin = wwopen(wwbaud > 2400 ? WWO_REVERSE : 0, 1, wwncol,
! 159: 0, 0, 0)) == 0) {
! 160: wwflush();
! 161: (void) fprintf(stderr, "%s.\r\n", wwerror());
! 162: goto bad;
! 163: }
! 164: cmdwin->ww_mapnl = 1;
! 165: cmdwin->ww_nointr = 1;
! 166: cmdwin->ww_noupdate = 1;
! 167: cmdwin->ww_unctrl = 1;
! 168: if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0))
! 169: == 0) {
! 170: wwflush();
! 171: (void) fprintf(stderr, "%s.\r\n", wwerror());
! 172: goto bad;
! 173: }
! 174: wwadd(framewin, &wwhead);
! 175: if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) {
! 176: wwflush();
! 177: (void) fprintf(stderr, "%s.\r\n", wwerror());
! 178: goto bad;
! 179: }
! 180: fgwin = framewin;
! 181:
! 182: wwupdate();
! 183: wwflush();
! 184: setvars();
! 185:
! 186: setterse(tflag);
! 187: setcmd(1);
! 188: if (cmd != 0)
! 189: (void) dolongcmd(cmd, (struct value *)0, 0);
! 190: if (!fflag)
! 191: if (dflag || doconfig() < 0)
! 192: dodefault();
! 193: if (selwin != 0)
! 194: setcmd(0);
! 195:
! 196: mloop();
! 197:
! 198: bad:
! 199: wwend(1);
! 200: return 0;
! 201: }
! 202:
! 203: usage()
! 204: {
! 205: (void) fprintf(stderr, "Usage: window [-e escape-char] [-c command] [-t] [-f] [-d]\n");
! 206: exit(1);
! 207: return 0; /* for lint */
! 208: }
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