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k_helper3.c
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Editing: k_helper3.c
/* $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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