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/* $OpenBSD: uname.c,v 1.12 2011/10/21 14:48:02 ajacoutot Exp $ */
/*
* Copyright (c) 1994 Winning Strategies, Inc.
* 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 Winning Strategies, Inc.
* 4. The name of Winning Strategies, Inc. may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <err.h>
static void usage(void);
#define PRINT_SYSNAME 0x01
#define PRINT_NODENAME 0x02
#define PRINT_RELEASE 0x04
#define PRINT_VERSION 0x08
#define PRINT_MACHINE 0x10
#define PRINT_ALL 0x1f
#define PRINT_MACHINE_ARCH 0x20
int
main(int argc, char *argv[])
{
struct utsname u;
int c;
int space = 0;
int print_mask = 0;
setlocale(LC_ALL, "");
while ((c = getopt(argc, argv, "amnrsvp")) != -1 ) {
switch (c) {
case 'a':
print_mask |= PRINT_ALL;
break;
case 'm':
print_mask |= PRINT_MACHINE;
break;
case 'n':
print_mask |= PRINT_NODENAME;
break;
case 'r':
print_mask |= PRINT_RELEASE;
break;
case 's':
print_mask |= PRINT_SYSNAME;
break;
case 'v':
print_mask |= PRINT_VERSION;
break;
case 'p':
print_mask |= PRINT_MACHINE_ARCH;
break;
default:
usage();
/* NOTREACHED */
}
}
if (optind != argc) {
usage();
/* NOTREACHED */
}
if (!print_mask) {
print_mask = PRINT_SYSNAME;
}
if (uname(&u)) {
err(1, NULL);
/* NOTREACHED */
}
if (print_mask & PRINT_SYSNAME) {
space++;
fputs(u.sysname, stdout);
}
if (print_mask & PRINT_NODENAME) {
if (space++) putchar(' ');
fputs(u.nodename, stdout);
}
if (print_mask & PRINT_RELEASE) {
if (space++) putchar(' ');
fputs(u.release, stdout);
}
if (print_mask & PRINT_VERSION) {
if (space++) putchar(' ');
fputs(u.version, stdout);
}
if (print_mask & PRINT_MACHINE) {
if (space++) putchar(' ');
fputs(u.machine, stdout);
}
if (print_mask & PRINT_MACHINE_ARCH) {
if (space++) putchar(' ');
fputs(MACHINE_ARCH, stdout);
}
putchar('\n');
exit(0);
/* NOTREACHED */
}
static void
usage(void)
{
fprintf(stderr, "usage: uname [-amnprsv]\n");
exit(1);
}
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