Annotation of src/usr.bin/uname/uname.c, Revision 1.7
1.7 ! deraadt 1: /* $OpenBSD: uname.c,v 1.6 2002/09/17 19:37:40 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
1.7 ! deraadt 35: static char rcsid[] = "$OpenBSD: uname.c,v 1.6 2002/09/17 19:37:40 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:
1.7 ! deraadt 46: static void usage(void);
1.1 deraadt 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
1.6 deraadt 57: main(int argc, char *argv[])
1.1 deraadt 58: {
59: struct utsname u;
60: int c;
61: int space = 0;
62: int print_mask = 0;
63:
64: setlocale(LC_ALL, "");
65:
1.3 deraadt 66: while ((c = getopt(argc,argv,"amnrsvp")) != -1 ) {
1.1 deraadt 67: switch ( c ) {
68: case 'a':
69: print_mask |= PRINT_ALL;
70: break;
71: case 'm':
72: print_mask |= PRINT_MACHINE;
73: break;
74: case 'n':
75: print_mask |= PRINT_NODENAME;
76: break;
77: case 'r':
78: print_mask |= PRINT_RELEASE;
79: break;
80: case 's':
81: print_mask |= PRINT_SYSNAME;
82: break;
83: case 'v':
84: print_mask |= PRINT_VERSION;
85: break;
1.3 deraadt 86: case 'p':
87: print_mask |= PRINT_PROCESSOR;
88: break;
1.1 deraadt 89: default:
90: usage();
91: /* NOTREACHED */
92: }
93: }
94:
95: if (optind != argc) {
96: usage();
97: /* NOTREACHED */
98: }
99:
100: if (!print_mask) {
101: print_mask = PRINT_SYSNAME;
102: }
103:
104: if (uname(&u)) {
105: err(1, NULL);
106: /* NOTREACHED */
107: }
108:
109: if (print_mask & PRINT_SYSNAME) {
110: space++;
111: fputs(u.sysname, stdout);
112: }
113: if (print_mask & PRINT_NODENAME) {
114: if (space++) putchar(' ');
115: fputs(u.nodename, stdout);
116: }
117: if (print_mask & PRINT_RELEASE) {
118: if (space++) putchar(' ');
119: fputs(u.release, stdout);
120: }
121: if (print_mask & PRINT_VERSION) {
122: if (space++) putchar(' ');
123: fputs(u.version, stdout);
124: }
125: if (print_mask & PRINT_MACHINE) {
126: if (space++) putchar(' ');
127: fputs(u.machine, stdout);
128: }
1.3 deraadt 129: if (print_mask & PRINT_PROCESSOR) {
130: char buf[1024];
131: size_t len;
132: int mib[2];
133:
134: if (space++) putchar(' ');
135: mib[0] = CTL_HW;
136: mib[1] = HW_MODEL;
137: len = sizeof(buf);
138: if (sysctl(mib, 2, &buf, &len, NULL, 0) == -1)
139: err(1, "sysctl");
1.5 deraadt 140: printf("%.*s", (int)len, buf);
1.3 deraadt 141: }
1.1 deraadt 142: putchar('\n');
143:
144: exit(0);
145: /* NOTREACHED */
146: }
147:
148: static void
1.6 deraadt 149: usage(void)
1.1 deraadt 150: {
1.4 deraadt 151: fprintf(stderr, "usage: uname [-amnprsv]\n");
1.1 deraadt 152: exit(1);
153: }
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