xref: /original-bsd/lib/libc/locale/none.c (revision c3e32dec)
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  * %sccs.include.redist.c%
9  */
10 
11 #if defined(LIBC_SCCS) && !defined(lint)
12 static char sccsid[] = "@(#)none.c	8.1 (Berkeley) 06/04/93";
13 #endif /* LIBC_SCCS and not lint */
14 
15 #include <stddef.h>
16 #include <stdio.h>
17 #include <rune.h>
18 #include <errno.h>
19 #include <stdlib.h>
20 
21 rune_t	_none_sgetrune __P((const char *, size_t, char const **));
22 int	_none_sputrune __P((rune_t, char *, size_t, char **));
23 
24 int
25 _none_init(rl)
26 	_RuneLocale *rl;
27 {
28 	rl->sgetrune = _none_sgetrune;
29 	rl->sputrune = _none_sputrune;
30 	_CurrentRuneLocale = rl;
31 	__mb_cur_max = 1;
32 	return(0);
33 }
34 
35 rune_t
36 _none_sgetrune(string, n, result)
37 	const char *string;
38 	size_t n;
39 	char const **result;
40 {
41 	int c;
42 
43 	if (n < 1) {
44 		if (result)
45 			*result = string;
46 		return(_INVALID_RUNE);
47 	}
48 	if (result)
49 		*result = string + 1;
50 	return(*string & 0xff);
51 }
52 
53 int
54 _none_sputrune(c, string, n, result)
55 	rune_t c;
56 	char *string, **result;
57 	size_t n;
58 {
59 	if (n >= 1) {
60 		if (string)
61 			*string = c;
62 		if (result)
63 			*result = string + 1;
64 	} else if (result)
65 		*result = (char *)0;
66 	return(1);
67 }
68