xref: /netbsd-src/sys/arch/hp300/stand/common/tgets.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: tgets.c,v 1.3 2003/11/14 16:52:40 tsutsui 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(buf)
42 	char *buf;
43 {
44 	int c;
45 	int i;
46 	char *lp = buf;
47 
48 	for (i = 240000; i > 0; i--) {
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 				case '\b':
59 				case '\177':
60 					if (lp > buf) {
61 						lp--;
62 						putchar('\b');
63 						putchar(' ');
64 						putchar('\b');
65 					}
66 					break;
67 				case '#':
68 					if (lp > buf)
69 						--lp;
70 					break;
71 				case 'r' & 037: {
72 					char *p;
73 
74 					putchar('\n');
75 					for (p = buf; p < lp; ++p)
76 						putchar(*p);
77 					break;
78 				}
79 				case '@':
80 				case 'u'&037:
81 				case 'w'&037:
82 					lp = buf;
83 					putchar('\n');
84 					break;
85 				default:
86 					*lp++ = c;
87 					putchar(c);
88 				}
89 				c = getchar() & 0177;
90 			}
91 		}
92 	}
93 	return 0;
94 }
95