xref: /minix3/sys/lib/libsa/getfile.c (revision 58a2b0008e28f606a7f7f5faaeaba4faac57a1ea)
1*58a2b000SEvgeniy Ivanov /*	$NetBSD: getfile.c,v 1.9 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  *	@(#)getfile.c	8.1 (Berkeley) 6/11/93
32*58a2b000SEvgeniy Ivanov  */
33*58a2b000SEvgeniy Ivanov #include "stand.h"
34*58a2b000SEvgeniy Ivanov 
35*58a2b000SEvgeniy Ivanov #define CTRL(x) ((x) & 037)
36*58a2b000SEvgeniy Ivanov 
37*58a2b000SEvgeniy Ivanov int
getfile(char * prompt,int mode)38*58a2b000SEvgeniy Ivanov getfile(char *prompt, int mode)
39*58a2b000SEvgeniy Ivanov {
40*58a2b000SEvgeniy Ivanov 	int fd;
41*58a2b000SEvgeniy Ivanov 	char buf[100];
42*58a2b000SEvgeniy Ivanov 
43*58a2b000SEvgeniy Ivanov 	do {
44*58a2b000SEvgeniy Ivanov 		printf("%s: ", prompt);
45*58a2b000SEvgeniy Ivanov 		gets(buf);
46*58a2b000SEvgeniy Ivanov 		if (buf[0] == CTRL('d') && buf[1] == 0)
47*58a2b000SEvgeniy Ivanov 			return -1;
48*58a2b000SEvgeniy Ivanov 	} while ((fd = open(buf, mode)) < 0);
49*58a2b000SEvgeniy Ivanov 
50*58a2b000SEvgeniy Ivanov 	return fd;
51*58a2b000SEvgeniy Ivanov }
52