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      1 /*	$NetBSD: tgets.c,v 1.1 2014/02/24 07:23:43 skrll 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/types.h>
     35 #include <arch/hppa/stand/common/libsa.h>
     36 #include <lib/libsa/net.h>
     37 
     38 int tgets(char *);
     39 
     40 int
     41 tgets(char *buf)
     42 {
     43 	int c, i;
     44 	char *p, *lp = buf;
     45 	satime_t seconds1, seconds2;
     46 
     47 	seconds1 = getsecs();
     48 	for (i = 10; i > 0; ) {
     49 		c = tgetchar() & 0177;
     50 		if (c) {
     51 			for (;;) {
     52 				switch (c) {
     53 				case '\n':
     54 				case '\r':
     55 					*lp = '\0';
     56 					putchar('\n');
     57 					return (1);
     58 
     59 				case '\b':
     60 				case '\177':
     61 					if (lp > buf) {
     62 						lp--;
     63 						putchar('\b');
     64 						putchar(' ');
     65 						putchar('\b');
     66 					}
     67 					break;
     68 
     69 				case '#':
     70 					if (lp > buf)
     71 						--lp;
     72 					break;
     73 
     74 				case 'r'&037:
     75 					putchar('\n');
     76 					for (p = buf; p < lp; ++p)
     77 						putchar(*p);
     78 					break;
     79 
     80 				case '@':
     81 				case 'u'&037:
     82 				case 'w'&037:
     83 					lp = buf;
     84 					putchar('\n');
     85 					break;
     86 
     87 				default:
     88 					*lp++ = c;
     89 					putchar(c);
     90 				}
     91 				c = getchar() & 0177;
     92 			}
     93 		}
     94 		if ((seconds2 = getsecs()) != seconds1) {
     95 			seconds1 = seconds2;
     96 			i--;
     97 		}
     98 	}
     99 	return (0);
    100 }
    101