xref: /freebsd/sbin/kldload/kldload.c (revision 51a9219f5780e61e1437d25220bf8750d9df7f8b)
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 #ifndef lint
28 static const char rcsid[] =
29   "$FreeBSD$";
30 #endif /* not lint */
31 
32 #include <err.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <unistd.h>
36 #include <sys/param.h>
37 #include <sys/linker.h>
38 
39 static void
40 usage(void)
41 {
42     fprintf(stderr, "usage: kldload [-v] file ...\n");
43     exit(1);
44 }
45 
46 int
47 main(int argc, char** argv)
48 {
49     int c;
50     int errors;
51     int fileid;
52     int verbose;
53 
54     errors = 0;
55     verbose = 0;
56 
57     while ((c = getopt(argc, argv, "v")) != -1)
58 	switch (c) {
59 	case 'v':
60 	    verbose = 1;
61 	    break;
62 	default:
63 	    usage();
64 	}
65     argc -= optind;
66     argv += optind;
67 
68     if (argc == 0)
69 	usage();
70 
71     while (argc-- != 0) {
72 	fileid = kldload(argv[0]);
73 	if (fileid < 0) {
74 	    warn("can't load %s", argv[0]);
75 	    errors++;
76 	} else
77 	    if (verbose)
78 		printf("Loaded %s, id=%d\n", argv[0], fileid);
79 	argv++;
80     }
81 
82     return errors ? 1 : 0;
83 }
84