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
tgets(char * buf)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