1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License, Version 1.0 only
7 * (the "License"). You may not use this file except in compliance
8 * with the License.
9 *
10 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11 * or https://opensource.org/licenses/CDDL-1.0.
12 * See the License for the specific language governing permissions
13 * and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL HEADER in each
16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17 * If applicable, add the following below this CDDL HEADER, with the
18 * fields enclosed by brackets "[]" replaced with your own identifying
19 * information: Portions Copyright [yyyy] [name of copyright owner]
20 *
21 * CDDL HEADER END
22 */
23
24 #include <stdint.h>
25 #include <limits.h>
26 #include <sys/param.h>
27 #include <sys/sysctl.h>
28 #include <sys/types.h>
29 #include "../../libspl_impl.h"
30
31 __attribute__((visibility("hidden"))) ssize_t
getexecname_impl(char * execname)32 getexecname_impl(char *execname)
33 {
34 size_t len = PATH_MAX;
35 int name[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
36
37 if (sysctl(name, nitems(name), execname, &len, NULL, 0) != 0)
38 return (-1);
39
40 return (len);
41 }
42