1 /* $MirOS: src/lib/libc/stdlib/rpmatch.c,v 1.1 2007/05/22 15:46:19 tg Exp $ */
2
3 /*-
4 * Copyright (c) 2007
5 * Thorsten Glaser <tg@mirbsd.de>
6 *
7 * Provided that these terms and disclaimer and all copyright notices
8 * are retained or reproduced in an accompanying document, permission
9 * is granted to deal in this work without restriction, including un-
10 * limited rights to use, publicly perform, distribute, sell, modify,
11 * merge, give away, or sublicence.
12 *
13 * This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
14 * the utmost extent permitted by applicable law, neither express nor
15 * implied; without malicious intent or gross negligence. In no event
16 * may a licensor, author or contributor be held liable for indirect,
17 * direct, other damage, loss, or other issues arising in any way out
18 * of dealing in the work, even if advised of the possibility of such
19 * damage or existence of a defect, except proven that it results out
20 * of said person's immediate fault when using the work as intended.
21 */
22
23 #define _SVID_SOURCE
24 #include <errno.h>
25 #include <stdlib.h>
26
27 int
rpmatch(const char * response)28 rpmatch(const char *response)
29 {
30 errno = 0;
31
32 if (response != NULL)
33 switch (response[0]) {
34 case 'N':
35 case 'n':
36 return (0);
37 case 'Y':
38 case 'y':
39 return (1);
40 }
41 else
42 errno = EINVAL;
43
44 return (-1);
45 }
46