xref: /freebsd/lib/libc/locale/mskanji.c (revision b601c69bdbe8755d26570261d7fd4c02ee4eff74)
1 /*
2  *    ja_JP.SJIS locale table for BSD4.4/rune
3  *    version 1.0
4  *    (C) Sin'ichiro MIYATANI / Phase One, Inc
5  *    May 12, 1995
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Phase One, Inc.
18  * 4. The name of Phase One, Inc. may be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $FreeBSD$
34  */
35 
36 #if defined(LIBC_SCCS) && !defined(lint)
37 static char sccsid[] = "@(#)mskanji.c	1.0 (Phase One) 5/5/95";
38 #endif /* LIBC_SCCS and not lint */
39 
40 #include <sys/types.h>
41 
42 #include <errno.h>
43 #include <rune.h>
44 #include <stddef.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 
48 rune_t	_MSKanji_sgetrune __P((const char *, size_t, char const **));
49 int	_MSKanji_sputrune __P((rune_t, char *, size_t, char **));
50 
51 int
52 _MSKanji_init(rl)
53 	_RuneLocale *rl;
54 {
55 	rl->sgetrune = _MSKanji_sgetrune;
56 	rl->sputrune = _MSKanji_sputrune;
57 
58 	_CurrentRuneLocale = rl;
59 	__mb_cur_max = 2;
60 	return (0);
61 }
62 
63 rune_t
64 _MSKanji_sgetrune(string, n, result)
65 	const char *string;
66 	size_t n;
67 	char const **result;
68 {
69 	rune_t rune = 0;
70 
71 	if (n < 1 ) {
72 		rune = _INVALID_RUNE;
73 	} else {
74 		rune = *( string++ ) & 0xff;
75 		if ( ( rune > 0x80 && rune < 0xa0 )
76 		|| ( rune >= 0xe0 && rune < 0xfa ) ) {
77 			if ( n < 2 ) {
78 				rune = (rune_t)_INVALID_RUNE;
79 				--string;
80 			} else {
81 				rune = ( rune << 8 ) | ( *( string++ ) & 0xff );
82 			}
83 		}
84 	}
85 	if (result) *result = string;
86 	return rune;
87 }
88 
89 int
90 _MSKanji_sputrune(c, string, n, result)
91 	rune_t c;
92 	char *string, **result;
93 	size_t n;
94 {
95 	int	len, i;
96 
97 	len = ( c > 0x100 ) ? 2 : 1;
98 	if ( n < len ) {
99 		if ( result ) *result = (char *) 0;
100 	} else {
101 		if ( result ) *result = string + len;
102 		for ( i = len; i-- > 0; ) {
103 			*( string++ ) = c >> ( i << 3 );
104 		}
105 	}
106 	return len;
107 }
108