libc

/* $Id$ */
/* Copyright (c) 2005-2015 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* 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.
*
* 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 COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDER 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. */
#include "sys/sysctl.h"
#include "stddef.h"
#include "errno.h"
#include "../syscalls.h"
#include "sys/utsname.h"
/* functions */
/* uname */
#if defined(SYS_sysctl) && defined(CTL_KERN) && defined(KERN_OSTYPE) \
&& defined(KERN_HOSTNAME) && defined(KERN_OSRELEASE) \
&& defined(KERN_VERSION) && defined(CTL_HW) && defined(HW_MACHINE)
int uname(struct utsname * name)
{
int mib[2];
size_t len;
mib[0] = CTL_KERN;
mib[1] = KERN_OSTYPE;
len = sizeof(name->sysname);
if(sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
return -1;
mib[1] = KERN_HOSTNAME;
len = sizeof(name->nodename);
if(sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
return -1;
mib[1] = KERN_OSRELEASE;
len = sizeof(name->release);
if(sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
return -1;
mib[1] = KERN_VERSION;
len = sizeof(name->version);
if(sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
return -1;
mib[0] = CTL_HW;
mib[1] = HW_MACHINE;
len = sizeof(name->machine);
if(sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
return -1;
return 0;
}
#elif !defined(SYS_uname)
# warning Unsupported platform: uname() is missing
int uname(struct utsname * name)
{
errno = ENOSYS;
return -1;
}
#endif