mirror_zfs/lib/libspl/os/freebsd/getexecname.c
наб 2d14207c98 libspl: lift common bits of getexecname()
Merge the actual implementations of getexecname() and slightly clean
up the FreeBSD one.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11879
2021-04-15 14:55:40 -07:00

41 lines
1.2 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#include <stdint.h>
#include <limits.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include "../../libspl_impl.h"
__attribute__((visibility("hidden"))) ssize_t
getexecname_impl(char *execname)
{
size_t len = PATH_MAX;
int name[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
if (sysctl(name, nitems(name), execname, &len, NULL, 0) != 0)
return (-1);
return (len);
}