1 /* $NetBSD: tgets.c,v 1.1 1997/02/04 03:52:55 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. 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 * @(#)gets.c 8.1 (Berkeley) 6/11/93 36 */ 37 38 int 39 tgets(buf) 40 char *buf; 41 { 42 register int c; 43 int i; 44 register char *lp = buf; 45 46 for (i = 240000; i > 0; i--) { 47 c = tgetchar() & 0177; 48 if (c) { 49 for (;;) { 50 switch (c) { 51 case '\n': 52 case '\r': 53 *lp = '\0'; 54 putchar('\n'); 55 return (1); 56 case '\b': 57 case '\177': 58 if (lp > buf) { 59 lp--; 60 putchar('\b'); 61 putchar(' '); 62 putchar('\b'); 63 } 64 break; 65 case '#': 66 if (lp > buf) 67 --lp; 68 break; 69 case 'r'&037: { 70 register char *p; 71 72 putchar('\n'); 73 for (p = buf; p < lp; ++p) 74 putchar(*p); 75 break; 76 } 77 case '@': 78 case 'u'&037: 79 case 'w'&037: 80 lp = buf; 81 putchar('\n'); 82 break; 83 default: 84 *lp++ = c; 85 putchar(c); 86 } 87 c = getchar() & 0177; 88 } 89 } 90 } 91 return (0); 92 } 93