xref: /freebsd/lib/libkiconv/xlat16_sysctl.c (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2000-2001, Boris Popov
5  * All rights reserved.
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 Boris Popov.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 /*
36  * kiconv(3) requires shared linked, and reduce module size
37  * when statically linked.
38  */
39 
40 #ifdef PIC
41 
42 #include <sys/types.h>
43 #include <sys/iconv.h>
44 #include <sys/sysctl.h>
45 
46 #include <ctype.h>
47 #include <errno.h>
48 #include <string.h>
49 
50 int
kiconv_add_xlat16_table(const char * to,const char * from,const void * data,int datalen)51 kiconv_add_xlat16_table(const char *to, const char *from, const void *data, int datalen)
52 {
53 	struct iconv_add_in din;
54 	struct iconv_add_out dout;
55 	size_t olen;
56 
57 	if (strlen(from) >= ICONV_CSNMAXLEN || strlen(to) >= ICONV_CSNMAXLEN)
58 		return (EINVAL);
59 	din.ia_version = ICONV_ADD_VER;
60 	strcpy(din.ia_converter, "xlat16");
61 	strcpy(din.ia_from, from);
62 	strcpy(din.ia_to, to);
63 	din.ia_data = data;
64 	din.ia_datalen = datalen;
65 	olen = sizeof(dout);
66 	if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
67 		return (errno);
68 	return (0);
69 }
70 
71 #else /* statically linked */
72 
73 #include <sys/types.h>
74 #include <sys/iconv.h>
75 #include <errno.h>
76 
77 int
kiconv_add_xlat16_table(const char * to __unused,const char * from __unused,const void * data __unused,int datalen __unused)78 kiconv_add_xlat16_table(const char *to __unused, const char *from __unused,
79     const void *data __unused, int datalen __unused)
80 {
81 
82 	return (EINVAL);
83 }
84 
85 #endif /* PIC */
86