1272343Sngie/* $NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2012 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Jukka Ruohonen. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie#include <sys/cdefs.h> 32272343Sngie__RCSID("$NetBSD: k_helper3.c,v 1.3 2012/04/17 21:39:19 martin Exp $"); 33272343Sngie 34272343Sngie#include <sys/module.h> 35272343Sngie 36272343Sngie#include <assert.h> 37272343Sngie#include <errno.h> 38272343Sngie#include <stdarg.h> 39272343Sngie#include <stdio.h> 40272343Sngie#include <stdlib.h> 41272343Sngie#include <string.h> 42272343Sngie 43272343Sngie#include <prop/proplib.h> 44272343Sngie 45272343Sngiestatic int load(const char *, ...); 46272343Sngie 47272343Sngie/* 48272343Sngie * A program that loads a module and returns the errno(2) from modctl(8). 49272343Sngie */ 50272343Sngieint 51272343Sngiemain(int argc, char *argv[]) 52272343Sngie{ 53272343Sngie assert(argc == 3); 54272343Sngie 55272343Sngie return load(argv[1], argv[2]); 56272343Sngie} 57272343Sngie 58272343Sngiestatic __printflike(1, 2) int 59272343Sngieload(const char *fmt, ...) 60272343Sngie{ 61272343Sngie char filename[MAXPATHLEN], *propsstr, *shortname, *dot; 62272343Sngie prop_dictionary_t props; 63272343Sngie modctl_load_t ml; 64272343Sngie int serrno, rv; 65272343Sngie va_list ap; 66272343Sngie 67272343Sngie props = prop_dictionary_create(); 68272343Sngie propsstr = prop_dictionary_externalize(props); 69272343Sngie assert(propsstr != NULL); 70272343Sngie prop_object_release(props); 71272343Sngie 72272343Sngie va_start(ap, fmt); 73272343Sngie (void)vsnprintf(filename, sizeof(filename), fmt, ap); 74272343Sngie va_end(ap); 75272343Sngie 76272343Sngie ml.ml_filename = filename; 77272343Sngie ml.ml_flags = 0; 78272343Sngie ml.ml_props = propsstr; 79272343Sngie ml.ml_propslen = strlen(propsstr); 80272343Sngie 81272343Sngie printf("Loading module %s\n", filename); 82272343Sngie errno = serrno = 0; 83272343Sngie 84272343Sngie rv = modctl(MODCTL_LOAD, &ml); 85272343Sngie 86272343Sngie if (rv != 0) 87272343Sngie serrno = errno; 88272343Sngie 89272343Sngie shortname = strrchr(filename, '/'); 90272343Sngie if (shortname != NULL) 91272343Sngie shortname++; 92272343Sngie else 93272343Sngie shortname = filename; 94272343Sngie dot = strrchr(shortname, '.'); 95272343Sngie if (dot) 96272343Sngie *dot = 0; 97272343Sngie (void)modctl(MODCTL_UNLOAD, shortname); 98272343Sngie 99272343Sngie free(propsstr); 100272343Sngie 101272343Sngie return serrno; 102272343Sngie} 103