mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*-
|
|
* Copyright (c) 2006 Dag-Erling Coïdan Smørgrav
|
|
* All rights reserved.
|
|
*
|
|
* 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
|
|
* in this position and unchanged.
|
|
* 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 AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/linker.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <errno.h>
|
|
#include <libutil.h>
|
|
#include <string.h>
|
|
|
|
int
|
|
kld_isloaded(const char *name)
|
|
{
|
|
struct kld_file_stat fstat;
|
|
struct module_stat mstat;
|
|
const char *ko;
|
|
int fid, mid;
|
|
|
|
for (fid = kldnext(0); fid > 0; fid = kldnext(fid)) {
|
|
fstat.version = sizeof(fstat);
|
|
if (kldstat(fid, &fstat) != 0)
|
|
continue;
|
|
/* check if the file name matches the supplied name */
|
|
if (strcmp(fstat.name, name) == 0)
|
|
return (1);
|
|
/* strip .ko and try again */
|
|
if ((ko = strstr(fstat.name, ".ko")) != NULL &&
|
|
strlen(name) == (size_t)(ko - fstat.name) &&
|
|
strncmp(fstat.name, name, ko - fstat.name) == 0)
|
|
return (1);
|
|
/* look for a matching module within the file */
|
|
for (mid = kldfirstmod(fid); mid > 0; mid = modfnext(mid)) {
|
|
mstat.version = sizeof(mstat);
|
|
if (modstat(mid, &mstat) != 0)
|
|
continue;
|
|
if (strcmp(mstat.name, name) == 0)
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
kld_load(const char *name)
|
|
{
|
|
if (kldload(name) == -1 && errno != EEXIST)
|
|
return (-1);
|
|
return (0);
|
|
}
|