1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* $OpenBSD: tgets.c,v 1.3 2006/08/17 06:31:10 miod Exp $ */
/* $NetBSD: tgets.c,v 1.4 1994/10/26 07:28:05 cgd Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)gets.c 8.1 (Berkeley) 6/11/93
*/
#include <lib/libsa/stand.h>
#include "samachdep.h"
int tgetchar(void);
int
tgetchar()
{
int c;
if ((c = cngetc()) == 0)
return(0);
if (c == '\r')
c = '\n';
else if (c == ('c'&037)) {
panic("^C");
/* NOTREACHED */
}
return(c);
}
int
tgets(char *buf)
{
int c;
int i;
char *lp = buf;
for (i = 240000; i > 0; i--) {
c = tgetchar() & 0177;
if (c) {
for (;;) {
switch (c) {
case '\n':
case '\r':
*lp = '\0';
putchar('\n');
return (1);
case '\b':
case '\177':
if (lp > buf) {
lp--;
putchar('\b');
putchar(' ');
putchar('\b');
}
break;
case '#':
if (lp > buf)
--lp;
break;
case 'r' & 037:
{
char *p;
putchar('\n');
for (p = buf; p < lp; ++p)
putchar(*p);
}
break;
case '@':
case 'u' & 037:
case 'w' & 037:
lp = buf;
putchar('\n');
break;
default:
*lp++ = c;
putchar(c);
}
c = getchar() & 0177;
}
}
}
return (0);
}
|
