Annotation of src/usr.bin/uname/uname.c, Revision 1.4
1.4 ! deraadt 1: /* $OpenBSD: uname.c,v 1.3 1998/02/24 00:06:00 deraadt Exp $ */
1.2 deraadt 2:
1.1 deraadt 3: /*
4: * Copyright (c) 1994 Winning Strategies, Inc.
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by Winning Strategies, Inc.
18: * 4. The name of Winning Strategies, Inc. may not be used to endorse or
19: * promote products derived from this software without specific prior
20: * written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: #ifndef lint
1.4 ! deraadt 35: static char rcsid[] = "$OpenBSD: uname.c,v 1.3 1998/02/24 00:06:00 deraadt Exp $";
1.1 deraadt 36: #endif /* not lint */
37:
1.3 deraadt 38: #include <sys/param.h>
1.1 deraadt 39: #include <stdio.h>
40: #include <locale.h>
41: #include <unistd.h>
42: #include <sys/utsname.h>
1.3 deraadt 43: #include <sys/sysctl.h>
1.1 deraadt 44: #include <err.h>
45:
46: static void usage();
47:
48: #define PRINT_SYSNAME 0x01
49: #define PRINT_NODENAME 0x02
50: #define PRINT_RELEASE 0x04
51: #define PRINT_VERSION 0x08
52: #define PRINT_MACHINE 0x10
53: #define PRINT_ALL 0x1f
1.3 deraadt 54: #define PRINT_PROCESSOR 0x20
1.1 deraadt 55:
56: int
57: main(argc, argv)
58: int argc;
59: char **argv;
60: {
61: struct utsname u;
62: int c;
63: int space = 0;
64: int print_mask = 0;
65:
66: setlocale(LC_ALL, "");
67:
1.3 deraadt 68: while ((c = getopt(argc,argv,"amnrsvp")) != -1 ) {
1.1 deraadt 69: switch ( c ) {
70: case 'a':
71: print_mask |= PRINT_ALL;
72: break;
73: case 'm':
74: print_mask |= PRINT_MACHINE;
75: break;
76: case 'n':
77: print_mask |= PRINT_NODENAME;
78: break;
79: case 'r':
80: print_mask |= PRINT_RELEASE;
81: break;
82: case 's':
83: print_mask |= PRINT_SYSNAME;
84: break;
85: case 'v':
86: print_mask |= PRINT_VERSION;
87: break;
1.3 deraadt 88: case 'p':
89: print_mask |= PRINT_PROCESSOR;
90: break;
1.1 deraadt 91: default:
92: usage();
93: /* NOTREACHED */
94: }
95: }
96:
97: if (optind != argc) {
98: usage();
99: /* NOTREACHED */
100: }
101:
102: if (!print_mask) {
103: print_mask = PRINT_SYSNAME;
104: }
105:
106: if (uname(&u)) {
107: err(1, NULL);
108: /* NOTREACHED */
109: }
110:
111: if (print_mask & PRINT_SYSNAME) {
112: space++;
113: fputs(u.sysname, stdout);
114: }
115: if (print_mask & PRINT_NODENAME) {
116: if (space++) putchar(' ');
117: fputs(u.nodename, stdout);
118: }
119: if (print_mask & PRINT_RELEASE) {
120: if (space++) putchar(' ');
121: fputs(u.release, stdout);
122: }
123: if (print_mask & PRINT_VERSION) {
124: if (space++) putchar(' ');
125: fputs(u.version, stdout);
126: }
127: if (print_mask & PRINT_MACHINE) {
128: if (space++) putchar(' ');
129: fputs(u.machine, stdout);
130: }
1.3 deraadt 131: if (print_mask & PRINT_PROCESSOR) {
132: char buf[1024];
133: size_t len;
134: int mib[2];
135:
136: if (space++) putchar(' ');
137: mib[0] = CTL_HW;
138: mib[1] = HW_MODEL;
139: len = sizeof(buf);
140: if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1)
141: err(1, "sysctl");
142: printf("%.*s", len, buf);
143: }
1.1 deraadt 144: putchar('\n');
145:
146: exit(0);
147: /* NOTREACHED */
148: }
149:
150: static void
151: usage()
152: {
1.4 ! deraadt 153: fprintf(stderr, "usage: uname [-amnprsv]\n");
1.1 deraadt 154: exit(1);
155: }