xref: /freebsd/lib/libc/locale/none.c (revision 2a4a1db342263067035ce69a4017c645da63455d)
1 /*-
2  * Copyright (c) 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Paul Borman at Krystal Technologies.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)none.c	8.1 (Berkeley) 6/4/93";
39 #endif /* LIBC_SCCS and not lint */
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42 
43 #include <stddef.h>
44 #include <stdio.h>
45 #include <rune.h>
46 #include <stdlib.h>
47 
48 rune_t	_none_sgetrune(const char *, size_t, char const **);
49 int	_none_sputrune(rune_t, char *, size_t, char **);
50 
51 int
52 _none_init(rl)
53 	_RuneLocale *rl;
54 {
55 	rl->sgetrune = _none_sgetrune;
56 	rl->sputrune = _none_sputrune;
57 	_CurrentRuneLocale = rl;
58 	__mb_cur_max = 1;
59 	return(0);
60 }
61 
62 rune_t
63 _none_sgetrune(string, n, result)
64 	const char *string;
65 	size_t n;
66 	char const **result;
67 {
68 	if (n < 1) {
69 		if (result)
70 			*result = string;
71 		return(_INVALID_RUNE);
72 	}
73 	if (result)
74 		*result = string + 1;
75 	return(*string & 0xff);
76 }
77 
78 int
79 _none_sputrune(c, string, n, result)
80 	rune_t c;
81 	char *string, **result;
82 	size_t n;
83 {
84 	if (n >= 1) {
85 		if (string)
86 			*string = c;
87 		if (result)
88 			*result = string + 1;
89 	} else if (result)
90 		*result = (char *)0;
91 	return(1);
92 }
93