1 /* uname -- print system information
2 Copyright (C) 1989-1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 -a, --all SunOS rocky8 4.0 sun
27 The default behavior is equivalent to `-s'.
29 David MacKenzie <djm@gnu.ai.mit.edu> */
31 /* Busyboxed by Erik Andersen */
35 #include <sys/types.h>
36 #include <sys/utsname.h>
38 #if defined (HAVE_SYSINFO) && defined (HAVE_SYS_SYSTEMINFO_H)
39 # include <sys/systeminfo.h>
43 static const char uname_usage[] =
44 "uname [OPTION]...\n\n"
45 "Print certain system information. With no OPTION, same as -s.\n\n"
47 "\t-a\tprint all information\n"
48 "\t-m\tthe machine (hardware) type\n"
49 "\t-n\tprint the machine's network node hostname\n"
50 "\t-r\tprint the operating system release\n"
51 "\t-s\tprint the operating system name\n"
52 "\t-p\tprint the host processor type\n"
53 "\t-v\tprint the operating system version\n";
56 static void print_element(unsigned int mask, char *element);
58 /* Values that are bitwise or'd into `toprint'. */
59 /* Operating system name. */
60 #define PRINT_SYSNAME 1
62 /* Node name on a communications network. */
63 #define PRINT_NODENAME 2
65 /* Operating system release. */
66 #define PRINT_RELEASE 4
68 /* Operating system version. */
69 #define PRINT_VERSION 8
71 /* Machine hardware name. */
72 #define PRINT_MACHINE 16
74 /* Host processor type. */
75 #define PRINT_PROCESSOR 32
77 /* Mask indicating which elements of the name to print. */
78 static unsigned char toprint;
81 int uname_main(int argc, char **argv)
85 #if defined(__sparc__) && defined(__linux__)
86 char *fake_sparc = getenv("FAKE_SPARC");
91 /* Parse any options */
92 //fprintf(stderr, "argc=%d, argv=%s\n", argc, *argv);
93 while (--argc > 0 && **(++argv) == '-') {
94 while (*(++(*argv))) {
97 toprint |= PRINT_SYSNAME;
100 toprint |= PRINT_NODENAME;
103 toprint |= PRINT_RELEASE;
106 toprint |= PRINT_VERSION;
109 toprint |= PRINT_MACHINE;
112 toprint |= PRINT_PROCESSOR;
115 toprint = (PRINT_SYSNAME | PRINT_NODENAME | PRINT_RELEASE |
116 PRINT_PROCESSOR | PRINT_VERSION |
126 toprint = PRINT_SYSNAME;
128 if (uname(&name) == -1)
129 perror("cannot get system name");
131 #if defined (HAVE_SYSINFO) && defined (SI_ARCHITECTURE)
132 if (sysinfo(SI_ARCHITECTURE, processor, sizeof(processor)) == -1)
133 perror("cannot get processor type");
137 strcpy(processor, "unknown");
140 #if defined(__sparc__) && defined(__linux__)
141 if (fake_sparc != NULL
142 && (fake_sparc[0] == 'y'
143 || fake_sparc[0] == 'Y')) strcpy(name.machine, "sparc");
146 print_element(PRINT_SYSNAME, name.sysname);
147 print_element(PRINT_NODENAME, name.nodename);
148 print_element(PRINT_RELEASE, name.release);
149 print_element(PRINT_VERSION, name.version);
150 print_element(PRINT_MACHINE, name.machine);
151 print_element(PRINT_PROCESSOR, processor);
156 /* If the name element set in MASK is selected for printing in `toprint',
157 print ELEMENT; then print a space unless it is the last element to
158 be printed, in which case print a newline. */
160 static void print_element(unsigned int mask, char *element)
162 if (toprint & mask) {
164 printf("%s%c", element, toprint ? ' ' : '\n');