xref: /freebsd/lib/libkiconv/xlat16_sysctl.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
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  * $FreeBSD$
35  */
36 
37 /*
38  * kiconv(3) requires shared linked, and reduce module size
39  * when statically linked.
40  */
41 
42 #ifdef PIC
43 
44 #include <sys/types.h>
45 #include <sys/iconv.h>
46 #include <sys/sysctl.h>
47 
48 #include <ctype.h>
49 #include <errno.h>
50 #include <string.h>
51 
52 int
53 kiconv_add_xlat16_table(const char *to, const char *from, const void *data, int datalen)
54 {
55 	struct iconv_add_in din;
56 	struct iconv_add_out dout;
57 	size_t olen;
58 
59 	if (strlen(from) >= ICONV_CSNMAXLEN || strlen(to) >= ICONV_CSNMAXLEN)
60 		return (EINVAL);
61 	din.ia_version = ICONV_ADD_VER;
62 	strcpy(din.ia_converter, "xlat16");
63 	strcpy(din.ia_from, from);
64 	strcpy(din.ia_to, to);
65 	din.ia_data = data;
66 	din.ia_datalen = datalen;
67 	olen = sizeof(dout);
68 	if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
69 		return (errno);
70 	return (0);
71 }
72 
73 #else /* statically linked */
74 
75 #include <sys/types.h>
76 #include <sys/iconv.h>
77 #include <errno.h>
78 
79 int
80 kiconv_add_xlat16_table(const char *to __unused, const char *from __unused,
81     const void *data __unused, int datalen __unused)
82 {
83 
84 	return (EINVAL);
85 }
86 
87 #endif /* PIC */
88