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/* $NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $");
#include <sys/module.h>
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <prop/proplib.h>
static int load(const char *, ...);
/*
* A program that loads a module and returns the errno(2) from modctl(8).
*/
int
main(int argc, char *argv[])
{
assert(argc == 3);
return load(argv[1], argv[2]);
}
static __printflike(1, 2) int
load(const char *fmt, ...)
{
char filename[MAXPATHLEN], *propsstr, *shortname, *dot;
prop_dictionary_t props;
modctl_load_t ml;
int serrno, rv;
va_list ap;
props = prop_dictionary_create();
propsstr = prop_dictionary_externalize(props);
assert(propsstr != NULL);
prop_object_release(props);
va_start(ap, fmt);
(void)vsnprintf(filename, sizeof(filename), fmt, ap);
va_end(ap);
ml.ml_filename = filename;
ml.ml_flags = 0;
ml.ml_props = propsstr;
ml.ml_propslen = strlen(propsstr);
printf("Loading module %s\n", filename);
errno = serrno = 0;
rv = modctl(MODCTL_LOAD, &ml);
if (rv != 0)
serrno = errno;
shortname = strrchr(filename, '/');
if (shortname != NULL)
shortname++;
else
shortname = filename;
dot = strrchr(shortname, '.');
if (dot)
*dot = 0;
(void)modctl(MODCTL_UNLOAD, shortname);
free(propsstr);
return serrno;
}
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