1/*-
2 * Copyright (c) 2006 Dag-Erling Co�dan Sm�rgrav
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

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19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/lib/libutil/kld.c 155804 2006-02-18 11:25:28Z des $
28 */
29
30#include <sys/param.h>
31#include <sys/linker.h>
32#include <sys/module.h>
33
34#include <errno.h>
35
36int
37kld_isloaded(const char *name)
38{
39 struct kld_file_stat fstat;
40 struct module_stat mstat;
41 const char *ko;
42 int fid, mid;
43
44 for (fid = kldnext(0); fid > 0; fid = kldnext(fid)) {
45 fstat.version = sizeof(fstat);
46 if (kldstat(fid, &fstat) != 0)
47 continue;
48 /* check if the file name matches the supplied name */
49 if (strcmp(fstat.name, name) == 0)
50 return (1);
51 /* strip .ko and try again */
52 if ((ko = strstr(fstat.name, ".ko")) != NULL &&
53 strlen(name) == ko - fstat.name &&
54 strncmp(fstat.name, name, ko - fstat.name) == 0)
55 return (1);
56 /* look for a matching module within the file */
57 for (mid = kldfirstmod(fid); mid > 0; mid = modfnext(mid)) {
58 mstat.version = sizeof(mstat);
59 if (modstat(mid, &mstat) != 0)
60 continue;
61 if (strcmp(mstat.name, name) == 0)

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