blob: 981ac69ed2dcfa824125a506641de0f9f316aed3 [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Eric Andersenc8fdb561999-10-26 05:21:02 +00002/* uname -- print system information
3 Copyright (C) 1989-1999 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18
19/* Option Example
20
21 -s, --sysname SunOS
22 -n, --nodename rocky8
23 -r, --release 4.0
24 -v, --version
25 -m, --machine sun
26 -a, --all SunOS rocky8 4.0 sun
27
28 The default behavior is equivalent to `-s'.
29
30 David MacKenzie <djm@gnu.ai.mit.edu> */
31
32/* Busyboxed by Erik Andersen */
33
34#include "internal.h"
35#include <stdio.h>
36#include <sys/types.h>
37#include <sys/utsname.h>
38
39#if defined (HAVE_SYSINFO) && defined (HAVE_SYS_SYSTEMINFO_H)
40# include <sys/systeminfo.h>
41#endif
42
43
44static const char uname_usage[] =
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000045 "uname [OPTION]...\n"
John Beppu91e581f2000-04-17 17:49:44 +000046#ifndef BB_FEATURE_TRIVIAL_HELP
Eric Andersen5a0a2aa2000-06-02 23:26:44 +000047 "\nPrint certain system information. With no OPTION, same as -s.\n\n"
Erik Andersene49d5ec2000-02-08 19:58:47 +000048 "Options:\n"
49 "\t-a\tprint all information\n"
50 "\t-m\tthe machine (hardware) type\n"
51 "\t-n\tprint the machine's network node hostname\n"
52 "\t-r\tprint the operating system release\n"
53 "\t-s\tprint the operating system name\n"
54
55 "\t-p\tprint the host processor type\n"
John Beppu91e581f2000-04-17 17:49:44 +000056 "\t-v\tprint the operating system version\n"
57#endif
58 ;
Eric Andersenc8fdb561999-10-26 05:21:02 +000059
60
61static void print_element(unsigned int mask, char *element);
62
63/* Values that are bitwise or'd into `toprint'. */
64/* Operating system name. */
65#define PRINT_SYSNAME 1
66
67/* Node name on a communications network. */
68#define PRINT_NODENAME 2
69
70/* Operating system release. */
71#define PRINT_RELEASE 4
72
73/* Operating system version. */
74#define PRINT_VERSION 8
75
76/* Machine hardware name. */
77#define PRINT_MACHINE 16
78
79 /* Host processor type. */
80#define PRINT_PROCESSOR 32
81
82/* Mask indicating which elements of the name to print. */
83static unsigned char toprint;
84
85
86int uname_main(int argc, char **argv)
87{
Erik Andersene49d5ec2000-02-08 19:58:47 +000088 struct utsname name;
89 char processor[256];
90
Eric Andersenc8fdb561999-10-26 05:21:02 +000091#if defined(__sparc__) && defined(__linux__)
Erik Andersene49d5ec2000-02-08 19:58:47 +000092 char *fake_sparc = getenv("FAKE_SPARC");
Eric Andersenc8fdb561999-10-26 05:21:02 +000093#endif
94
Erik Andersene49d5ec2000-02-08 19:58:47 +000095 toprint = 0;
Eric Andersenc8fdb561999-10-26 05:21:02 +000096
Erik Andersene49d5ec2000-02-08 19:58:47 +000097 /* Parse any options */
98 //fprintf(stderr, "argc=%d, argv=%s\n", argc, *argv);
99 while (--argc > 0 && **(++argv) == '-') {
100 while (*(++(*argv))) {
101 switch (**argv) {
102 case 's':
103 toprint |= PRINT_SYSNAME;
104 break;
105 case 'n':
106 toprint |= PRINT_NODENAME;
107 break;
108 case 'r':
109 toprint |= PRINT_RELEASE;
110 break;
111 case 'v':
112 toprint |= PRINT_VERSION;
113 break;
114 case 'm':
115 toprint |= PRINT_MACHINE;
116 break;
117 case 'p':
118 toprint |= PRINT_PROCESSOR;
119 break;
120 case 'a':
121 toprint = (PRINT_SYSNAME | PRINT_NODENAME | PRINT_RELEASE |
122 PRINT_PROCESSOR | PRINT_VERSION |
123 PRINT_MACHINE);
124 break;
125 default:
126 usage(uname_usage);
127 }
128 }
Eric Andersenc8fdb561999-10-26 05:21:02 +0000129 }
Eric Andersenc8fdb561999-10-26 05:21:02 +0000130
Erik Andersene49d5ec2000-02-08 19:58:47 +0000131 if (toprint == 0)
132 toprint = PRINT_SYSNAME;
Eric Andersenc8fdb561999-10-26 05:21:02 +0000133
Erik Andersene49d5ec2000-02-08 19:58:47 +0000134 if (uname(&name) == -1)
135 perror("cannot get system name");
Eric Andersenc8fdb561999-10-26 05:21:02 +0000136
137#if defined (HAVE_SYSINFO) && defined (SI_ARCHITECTURE)
Erik Andersene49d5ec2000-02-08 19:58:47 +0000138 if (sysinfo(SI_ARCHITECTURE, processor, sizeof(processor)) == -1)
139 perror("cannot get processor type");
Eric Andersenc8fdb561999-10-26 05:21:02 +0000140}
141
142#else
Erik Andersene49d5ec2000-02-08 19:58:47 +0000143 strcpy(processor, "unknown");
Eric Andersenc8fdb561999-10-26 05:21:02 +0000144#endif
145
146#if defined(__sparc__) && defined(__linux__)
Erik Andersene49d5ec2000-02-08 19:58:47 +0000147 if (fake_sparc != NULL
148 && (fake_sparc[0] == 'y'
149 || fake_sparc[0] == 'Y')) strcpy(name.machine, "sparc");
Eric Andersenc8fdb561999-10-26 05:21:02 +0000150#endif
151
Erik Andersene49d5ec2000-02-08 19:58:47 +0000152 print_element(PRINT_SYSNAME, name.sysname);
153 print_element(PRINT_NODENAME, name.nodename);
154 print_element(PRINT_RELEASE, name.release);
155 print_element(PRINT_VERSION, name.version);
156 print_element(PRINT_MACHINE, name.machine);
157 print_element(PRINT_PROCESSOR, processor);
Eric Andersenc8fdb561999-10-26 05:21:02 +0000158
Erik Andersene49d5ec2000-02-08 19:58:47 +0000159 exit(TRUE);
Eric Andersenc8fdb561999-10-26 05:21:02 +0000160}
161
162/* If the name element set in MASK is selected for printing in `toprint',
163 print ELEMENT; then print a space unless it is the last element to
164 be printed, in which case print a newline. */
165
166static void print_element(unsigned int mask, char *element)
167{
Erik Andersene49d5ec2000-02-08 19:58:47 +0000168 if (toprint & mask) {
169 toprint &= ~mask;
170 printf("%s%c", element, toprint ? ' ' : '\n');
171 }
Eric Andersenc8fdb561999-10-26 05:21:02 +0000172}