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authorKiyoshi Aman <kiyoshi.aman+adelie@gmail.com>2019-02-01 22:55:37 +0000
committerKiyoshi Aman <kiyoshi.aman+adelie@gmail.com>2019-02-03 18:22:05 -0600
commit5b57d28ffb6e1ef86b50f7d05d977826eae89bfe (patch)
tree154a22fe556b49e6927197336f8bf91b12eacd5e /usr.bin/uname/uname.c
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-rw-r--r--usr.bin/uname/uname.c159
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diff --git a/usr.bin/uname/uname.c b/usr.bin/uname/uname.c
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+++ b/usr.bin/uname/uname.c
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+/* $NetBSD: uname.c,v 1.11 2011/09/06 18:35:13 joerg 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/cdefs.h>
+#ifndef lint
+__RCSID("$NetBSD: uname.c,v 1.11 2011/09/06 18:35:13 joerg Exp $");
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <limits.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <err.h>
+
+#include <sys/sysctl.h>
+#include <sys/utsname.h>
+
+__dead static void usage(void);
+
+/* Note that PRINT_MACHINE_ARCH is excluded from PRINT_ALL! */
+#define PRINT_SYSNAME 0x01
+#define PRINT_NODENAME 0x02
+#define PRINT_RELEASE 0x04
+#define PRINT_VERSION 0x08
+#define PRINT_MACHINE 0x10
+#define PRINT_MACHINE_ARCH 0x20
+#define PRINT_ALL \
+ (PRINT_SYSNAME|PRINT_NODENAME|PRINT_RELEASE|PRINT_VERSION|PRINT_MACHINE)
+
+int
+main(int argc, char **argv)
+{
+ struct utsname u;
+ char machine_arch[SYS_NMLN];
+ int c;
+ int space = 0;
+ int print_mask = 0;
+
+ (void)setlocale(LC_ALL, "");
+
+ while ((c = getopt(argc,argv,"amnprsv")) != -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 'p':
+ print_mask |= PRINT_MACHINE_ARCH;
+ break;
+ case 'r':
+ print_mask |= PRINT_RELEASE;
+ break;
+ case 's':
+ print_mask |= PRINT_SYSNAME;
+ break;
+ case 'v':
+ print_mask |= PRINT_VERSION;
+ break;
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ if (optind != argc) {
+ usage();
+ /* NOTREACHED */
+ }
+
+ if (!print_mask) {
+ print_mask = PRINT_SYSNAME;
+ }
+
+ if (uname(&u) != 0) {
+ err(EXIT_FAILURE, "uname");
+ /* NOTREACHED */
+ }
+ if (print_mask & PRINT_MACHINE_ARCH) {
+ int mib[2] = { CTL_HW, HW_MACHINE_ARCH };
+ size_t len = sizeof (machine_arch);
+
+ if (sysctl(mib, sizeof (mib) / sizeof (mib[0]), machine_arch,
+ &len, NULL, 0) < 0)
+ err(EXIT_FAILURE, "sysctl");
+ }
+
+ 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(EXIT_SUCCESS);
+ /* NOTREACHED */
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: uname [-amnprsv]\n");
+ exit(EXIT_FAILURE);
+}