xref: /freebsd/sbin/kldload/kldload.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*-
2  * Copyright (c) 1997 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <err.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <unistd.h>
34 #include <sys/param.h>
35 #include <sys/linker.h>
36 
37 static void
38 usage(void)
39 {
40     fprintf(stderr, "usage: kldload [-v] file ...\n");
41     exit(1);
42 }
43 
44 int
45 main(int argc, char** argv)
46 {
47     int c;
48     int errors;
49     int fileid;
50     int verbose;
51 
52     errors = 0;
53     verbose = 0;
54 
55     while ((c = getopt(argc, argv, "v")) != -1)
56 	switch (c) {
57 	case 'v':
58 	    verbose = 1;
59 	    break;
60 	default:
61 	    usage();
62 	}
63     argc -= optind;
64     argv += optind;
65 
66     if (argc == 0)
67 	usage();
68 
69     while (argc-- != 0) {
70 	fileid = kldload(argv[0]);
71 	if (fileid < 0) {
72 	    warn("can't load %s", argv[0]);
73 	    errors++;
74 	} else
75 	    if (verbose)
76 		printf("Loaded %s, id=%d\n", argv[0], fileid);
77 	argv++;
78     }
79 
80     return errors ? 1 : 0;
81 }
82