1 /* $NetBSD: tgets.c,v 1.8 2016/06/11 06:22:11 dholland 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)gets.c 8.1 (Berkeley) 6/11/93 32 */ 33 34 #include <sys/param.h> 35 36 #include <lib/libsa/stand.h> 37 38 #include <hp300/stand/common/samachdep.h> 39 40 int 41 tgets(char *buf, size_t size) 42 { 43 int c; 44 int i; 45 char *lp = buf; 46 47 for (i = 240000; i > 0; i--) { 48 if (lp - buf == size) { 49 lp--; 50 *lp = '\0'; 51 return 0; 52 } 53 c = tgetchar() & 0177; 54 if (c) { 55 for (;;) { 56 switch (c) { 57 case '\n': 58 case '\r': 59 *lp = '\0'; 60 putchar('\n'); 61 return 1; 62 case '\b': 63 case '\177': 64 if (lp > buf) { 65 lp--; 66 putchar('\b'); 67 putchar(' '); 68 putchar('\b'); 69 } 70 break; 71 case '#': 72 if (lp > buf) 73 --lp; 74 break; 75 case 'r' & 037: { 76 char *p; 77 78 putchar('\n'); 79 for (p = buf; p < lp; ++p) 80 putchar(*p); 81 break; 82 } 83 case '@': 84 case 'u'&037: 85 case 'w'&037: 86 lp = buf; 87 putchar('\n'); 88 break; 89 default: 90 *lp++ = c; 91 putchar(c); 92 } 93 c = getchar() & 0177; 94 } 95 } 96 } 97 return 0; 98 } 99