HardenedBSD/lib/libkiconv/xlat16_sysctl.c

/*
 * Copyright (c) 2000-2001, Boris Popov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Boris Popov.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

/*
 * kiconv(3) requires shared linked, and reduce module size
 * when statically linked.
 */

#ifdef PIC

#include <sys/types.h>
#include <sys/iconv.h>
#include <sys/sysctl.h>

#include <ctype.h>
#include <errno.h>
#include <string.h>

int
kiconv_add_xlat16_table(const char *to, const char *from, const void *data, int datalen)
{
	struct iconv_add_in din;
	struct iconv_add_out dout;
	size_t olen;

	if (strlen(from) >= ICONV_CSNMAXLEN || strlen(to) >= ICONV_CSNMAXLEN)
		return (EINVAL);
	din.ia_version = ICONV_ADD_VER;
	strcpy(din.ia_converter, "xlat16");
	strcpy(din.ia_from, from);
	strcpy(din.ia_to, to);
	din.ia_data = data;
	din.ia_datalen = datalen;
	olen = sizeof(dout);
	if (sysctlbyname("kern.iconv.add", &dout, &olen, &din, sizeof(din)) == -1)
		return (errno);
	return (0);
}

#else /* statically linked */

#include <errno.h>

int
kiconv_add_xlat16_table(const char *to, const char *from, const void *data, int datalen)
{
	return (EINVAL);
}

#endif /* PIC */