freebsd-skq/tools/build/cross-build/fake_sysctl.c
Alex Richardson 4e64fb9f49 Fix warnings during bootstrap on Linux systems
Most warnings are currently off for the boostrap phase, but once D27598
lands they will be enabled again.
2021-01-07 09:30:50 +00:00

61 lines
2.5 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org>
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory (Department of Computer Science and
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
* DARPA SSITH research programme.
*
* This software was developed by SRI International and the University of
* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
* ("CTSRD"), as part of the DARPA CRASH research programme.
*
* 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.
* 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.
*/
/* This file contains wrappers for sysctls used during build/install */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/sysctl.h>
#include <err.h>
#include <string.h>
#include <sysexits.h>
int
__freebsd_sysctlbyname(const char *name, void *oldp, size_t *oldlenp,
const void *newp, size_t newlen)
{
if (strcmp(name, "kern.vm_guest") == 0) {
if (!oldp || !oldlenp)
errx(EX_USAGE, "Missing arguments for kern.vm_guest");
if (newp || newlen)
errx(EX_USAGE, "kern.vm_guest is read-only");
strlcpy(oldp, "none", *oldlenp);
*oldlenp = strlen("none");
}
errx(EX_USAGE, "fatal: unknown sysctl %s\n", name);
}