Libc-391.5.21.tar.gz

[apple/libc.git] / gen / uname.c

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1994
 *	The Regents of the University of California.  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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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/param.h>
#include <sys/sysctl.h>
#include <sys/utsname.h>

int
uname(name)
	struct utsname *name;
{
	int mib[2], rval;
	size_t len;
	char *p;

	rval = 0;

	mib[0] = CTL_KERN;
	mib[1] = KERN_OSTYPE;
	len = sizeof(name->sysname);
	if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
		rval = -1;

	mib[0] = CTL_KERN;
	mib[1] = KERN_HOSTNAME;
	len = sizeof(name->nodename);
	if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
		rval = -1;

	mib[0] = CTL_KERN;
	mib[1] = KERN_OSRELEASE;
	len = sizeof(name->release);
	if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
		rval = -1;

	/* The version may have newlines in it, turn them into spaces. */
	mib[0] = CTL_KERN;
	mib[1] = KERN_VERSION;
	len = sizeof(name->version);
	if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
		rval = -1;
	else
		for (p = name->version; len--; ++p)
			if (*p == '\n' || *p == '\t')
				if (len > 1)
					*p = ' ';
				else
					*p = '\0';

	mib[0] = CTL_HW;
	mib[1] = HW_MACHINE;
	len = sizeof(name->machine);
	if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
		rval = -1;
	return (rval);
}