1*58a2b000SEvgeniy Ivanov /* $NetBSD: gets.c,v 1.10 2007/11/24 13:20:55 isaki Exp $ */
2*58a2b000SEvgeniy Ivanov
3*58a2b000SEvgeniy Ivanov /*-
4*58a2b000SEvgeniy Ivanov * Copyright (c) 1993
5*58a2b000SEvgeniy Ivanov * The Regents of the University of California. All rights reserved.
6*58a2b000SEvgeniy Ivanov *
7*58a2b000SEvgeniy Ivanov * Redistribution and use in source and binary forms, with or without
8*58a2b000SEvgeniy Ivanov * modification, are permitted provided that the following conditions
9*58a2b000SEvgeniy Ivanov * are met:
10*58a2b000SEvgeniy Ivanov * 1. Redistributions of source code must retain the above copyright
11*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer.
12*58a2b000SEvgeniy Ivanov * 2. Redistributions in binary form must reproduce the above copyright
13*58a2b000SEvgeniy Ivanov * notice, this list of conditions and the following disclaimer in the
14*58a2b000SEvgeniy Ivanov * documentation and/or other materials provided with the distribution.
15*58a2b000SEvgeniy Ivanov * 3. Neither the name of the University nor the names of its contributors
16*58a2b000SEvgeniy Ivanov * may be used to endorse or promote products derived from this software
17*58a2b000SEvgeniy Ivanov * without specific prior written permission.
18*58a2b000SEvgeniy Ivanov *
19*58a2b000SEvgeniy Ivanov * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20*58a2b000SEvgeniy Ivanov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*58a2b000SEvgeniy Ivanov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*58a2b000SEvgeniy Ivanov * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*58a2b000SEvgeniy Ivanov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*58a2b000SEvgeniy Ivanov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*58a2b000SEvgeniy Ivanov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*58a2b000SEvgeniy Ivanov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*58a2b000SEvgeniy Ivanov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*58a2b000SEvgeniy Ivanov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*58a2b000SEvgeniy Ivanov * SUCH DAMAGE.
30*58a2b000SEvgeniy Ivanov *
31*58a2b000SEvgeniy Ivanov * @(#)gets.c 8.1 (Berkeley) 6/11/93
32*58a2b000SEvgeniy Ivanov */
33*58a2b000SEvgeniy Ivanov
34*58a2b000SEvgeniy Ivanov #include "stand.h"
35*58a2b000SEvgeniy Ivanov
36*58a2b000SEvgeniy Ivanov void
gets(char * buf)37*58a2b000SEvgeniy Ivanov gets(char *buf)
38*58a2b000SEvgeniy Ivanov {
39*58a2b000SEvgeniy Ivanov int c;
40*58a2b000SEvgeniy Ivanov char *lp;
41*58a2b000SEvgeniy Ivanov
42*58a2b000SEvgeniy Ivanov for (lp = buf;;) {
43*58a2b000SEvgeniy Ivanov switch (c = getchar() & 0177) {
44*58a2b000SEvgeniy Ivanov case '\n':
45*58a2b000SEvgeniy Ivanov case '\r':
46*58a2b000SEvgeniy Ivanov *lp = '\0';
47*58a2b000SEvgeniy Ivanov putchar('\n');
48*58a2b000SEvgeniy Ivanov return;
49*58a2b000SEvgeniy Ivanov case '\b':
50*58a2b000SEvgeniy Ivanov case '\177':
51*58a2b000SEvgeniy Ivanov if (lp > buf) {
52*58a2b000SEvgeniy Ivanov lp--;
53*58a2b000SEvgeniy Ivanov putchar('\b');
54*58a2b000SEvgeniy Ivanov putchar(' ');
55*58a2b000SEvgeniy Ivanov putchar('\b');
56*58a2b000SEvgeniy Ivanov }
57*58a2b000SEvgeniy Ivanov break;
58*58a2b000SEvgeniy Ivanov #if HASH_ERASE
59*58a2b000SEvgeniy Ivanov case '#':
60*58a2b000SEvgeniy Ivanov if (lp > buf)
61*58a2b000SEvgeniy Ivanov --lp;
62*58a2b000SEvgeniy Ivanov break;
63*58a2b000SEvgeniy Ivanov #endif
64*58a2b000SEvgeniy Ivanov case 'r' & 037: {
65*58a2b000SEvgeniy Ivanov char *p;
66*58a2b000SEvgeniy Ivanov
67*58a2b000SEvgeniy Ivanov putchar('\n');
68*58a2b000SEvgeniy Ivanov for (p = buf; p < lp; ++p)
69*58a2b000SEvgeniy Ivanov putchar(*p);
70*58a2b000SEvgeniy Ivanov break;
71*58a2b000SEvgeniy Ivanov }
72*58a2b000SEvgeniy Ivanov #if AT_ERASE
73*58a2b000SEvgeniy Ivanov case '@':
74*58a2b000SEvgeniy Ivanov #endif
75*58a2b000SEvgeniy Ivanov case 'u' & 037:
76*58a2b000SEvgeniy Ivanov case 'w' & 037:
77*58a2b000SEvgeniy Ivanov lp = buf;
78*58a2b000SEvgeniy Ivanov putchar('\n');
79*58a2b000SEvgeniy Ivanov break;
80*58a2b000SEvgeniy Ivanov default:
81*58a2b000SEvgeniy Ivanov *lp++ = c;
82*58a2b000SEvgeniy Ivanov putchar(c);
83*58a2b000SEvgeniy Ivanov break;
84*58a2b000SEvgeniy Ivanov }
85*58a2b000SEvgeniy Ivanov }
86*58a2b000SEvgeniy Ivanov /*NOTREACHED*/
87*58a2b000SEvgeniy Ivanov }
88