Annotation of src/usr.bin/uname/uname.c, Revision 1.17
1.17 ! tb 1: /* $OpenBSD: uname.c,v 1.16 2015/10/09 01:37:09 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.
1.14 jasper 18: * 4. The name of Winning Strategies, Inc. may not be used to endorse or
1.1 deraadt 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:
1.13 deraadt 34: #include <sys/param.h> /* MACHINE_ARCH */
1.17 ! tb 35: #include <sys/utsname.h>
! 36:
! 37: #include <err.h>
! 38: #include <locale.h>
1.1 deraadt 39: #include <stdio.h>
1.8 david 40: #include <stdlib.h>
1.1 deraadt 41: #include <unistd.h>
42:
1.7 deraadt 43: static void usage(void);
1.1 deraadt 44:
1.12 ajacouto 45: #define PRINT_SYSNAME 0x01
46: #define PRINT_NODENAME 0x02
47: #define PRINT_RELEASE 0x04
48: #define PRINT_VERSION 0x08
49: #define PRINT_MACHINE 0x10
50: #define PRINT_ALL 0x1f
51: #define PRINT_MACHINE_ARCH 0x20
1.1 deraadt 52:
53: int
1.6 deraadt 54: main(int argc, char *argv[])
1.1 deraadt 55: {
56: struct utsname u;
57: int c;
58: int space = 0;
59: int print_mask = 0;
60:
61: setlocale(LC_ALL, "");
1.15 deraadt 62:
1.16 deraadt 63: if (pledge("stdio", NULL) == -1)
64: err(1, "pledge");
1.1 deraadt 65:
1.10 deraadt 66: while ((c = getopt(argc, argv, "amnrsvp")) != -1 ) {
67: switch (c) {
1.1 deraadt 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;
1.17 ! tb 77: case 'p':
! 78: print_mask |= PRINT_MACHINE_ARCH;
! 79: break;
1.14 jasper 80: case 'r':
1.1 deraadt 81: print_mask |= PRINT_RELEASE;
82: break;
1.14 jasper 83: case 's':
1.1 deraadt 84: print_mask |= PRINT_SYSNAME;
85: break;
86: case 'v':
87: print_mask |= PRINT_VERSION;
88: break;
89: default:
90: usage();
91: /* NOTREACHED */
92: }
93: }
1.14 jasper 94:
1.1 deraadt 95: if (optind != argc) {
96: usage();
97: /* NOTREACHED */
98: }
99:
100: if (!print_mask) {
101: print_mask = PRINT_SYSNAME;
102: }
103:
1.17 ! tb 104: if (uname(&u))
1.1 deraadt 105: err(1, NULL);
106:
107: if (print_mask & PRINT_SYSNAME) {
108: space++;
109: fputs(u.sysname, stdout);
110: }
111: if (print_mask & PRINT_NODENAME) {
1.17 ! tb 112: if (space++)
! 113: putchar(' ');
! 114:
1.1 deraadt 115: fputs(u.nodename, stdout);
116: }
117: if (print_mask & PRINT_RELEASE) {
1.17 ! tb 118: if (space++)
! 119: putchar(' ');
! 120:
1.1 deraadt 121: fputs(u.release, stdout);
122: }
123: if (print_mask & PRINT_VERSION) {
1.17 ! tb 124: if (space++)
! 125: putchar(' ');
! 126:
1.1 deraadt 127: fputs(u.version, stdout);
128: }
129: if (print_mask & PRINT_MACHINE) {
1.17 ! tb 130: if (space++)
! 131: putchar(' ');
! 132:
1.1 deraadt 133: fputs(u.machine, stdout);
134: }
1.12 ajacouto 135: if (print_mask & PRINT_MACHINE_ARCH) {
1.17 ! tb 136: if (space++)
! 137: putchar(' ');
! 138:
1.12 ajacouto 139: fputs(MACHINE_ARCH, stdout);
1.14 jasper 140: }
1.1 deraadt 141: putchar('\n');
142:
1.17 ! tb 143: return 0;
1.1 deraadt 144: }
145:
146: static void
1.6 deraadt 147: usage(void)
1.1 deraadt 148: {
1.4 deraadt 149: fprintf(stderr, "usage: uname [-amnprsv]\n");
1.1 deraadt 150: exit(1);
151: }
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