103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
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/* $NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jukka Ruohonen.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $");
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#include <sys/module.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <prop/proplib.h>
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static int load(const char *, ...);
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/*
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* A program that loads a module and returns the errno(2) from modctl(8).
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*/
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int
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main(int argc, char *argv[])
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{
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assert(argc == 3);
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return load(argv[1], argv[2]);
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}
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static __printflike(1, 2) int
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load(const char *fmt, ...)
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{
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char filename[MAXPATHLEN], *propsstr, *shortname, *dot;
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prop_dictionary_t props;
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modctl_load_t ml;
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int serrno, rv;
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va_list ap;
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props = prop_dictionary_create();
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propsstr = prop_dictionary_externalize(props);
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assert(propsstr != NULL);
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prop_object_release(props);
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va_start(ap, fmt);
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(void)vsnprintf(filename, sizeof(filename), fmt, ap);
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va_end(ap);
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ml.ml_filename = filename;
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ml.ml_flags = 0;
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ml.ml_props = propsstr;
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ml.ml_propslen = strlen(propsstr);
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printf("Loading module %s\n", filename);
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errno = serrno = 0;
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rv = modctl(MODCTL_LOAD, &ml);
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if (rv != 0)
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serrno = errno;
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shortname = strrchr(filename, '/');
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if (shortname != NULL)
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shortname++;
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else
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shortname = filename;
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dot = strrchr(shortname, '.');
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if (dot)
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*dot = 0;
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(void)modctl(MODCTL_UNLOAD, shortname);
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free(propsstr);
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return serrno;
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}
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