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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | /* uname -- print system information
Copyright (C) 1989-1999 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Option Example
-s, --sysname SunOS
-n, --nodename rocky8
-r, --release 4.0
-v, --version
-m, --machine sun
-a, --all SunOS rocky8 4.0 sun
The default behavior is equivalent to `-s'.
David MacKenzie <djm@gnu.ai.mit.edu> */
/* Busyboxed by Erik Andersen */
#include "internal.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/utsname.h>
#if defined (HAVE_SYSINFO) && defined (HAVE_SYS_SYSTEMINFO_H)
# include <sys/systeminfo.h>
#endif
static const char uname_usage[] =
"uname [OPTION]...\n"
"Print certain system information. With no OPTION, same as -s.\n"
"\t-a\tprint all information\n"
"\t-m\tthe machine (hardware) type\n"
"\t-n\tprint the machine's network node hostname\n"
"\t-r\tprint the operating system release\n"
"\t-s\tprint the operating system name\n"
"\t-p\tprint the host processor type\n"
"\t-v\tprint the operating system version\n";
static void print_element(unsigned int mask, char *element);
/* Values that are bitwise or'd into `toprint'. */
/* Operating system name. */
#define PRINT_SYSNAME 1
/* Node name on a communications network. */
#define PRINT_NODENAME 2
/* Operating system release. */
#define PRINT_RELEASE 4
/* Operating system version. */
#define PRINT_VERSION 8
/* Machine hardware name. */
#define PRINT_MACHINE 16
/* Host processor type. */
#define PRINT_PROCESSOR 32
/* Mask indicating which elements of the name to print. */
static unsigned char toprint;
int uname_main(int argc, char **argv)
{
struct utsname name;
char processor[256];
#if defined(__sparc__) && defined(__linux__)
char *fake_sparc = getenv("FAKE_SPARC");
#endif
toprint = 0;
/* Parse any options */
//fprintf(stderr, "argc=%d, argv=%s\n", argc, *argv);
while (--argc > 0 && **(++argv) == '-') {
while (*(++(*argv))) {
switch (**argv) {
case 's':
toprint |= PRINT_SYSNAME;
break;
case 'n':
toprint |= PRINT_NODENAME;
break;
case 'r':
toprint |= PRINT_RELEASE;
break;
case 'v':
toprint |= PRINT_VERSION;
break;
case 'm':
toprint |= PRINT_MACHINE;
break;
case 'p':
toprint |= PRINT_PROCESSOR;
break;
case 'a':
toprint = (PRINT_SYSNAME | PRINT_NODENAME | PRINT_RELEASE |
PRINT_PROCESSOR | PRINT_VERSION |
PRINT_MACHINE);
break;
default:
usage(uname_usage);
}
}
}
if (toprint == 0)
toprint = PRINT_SYSNAME;
if (uname(&name) == -1)
perror("cannot get system name");
#if defined (HAVE_SYSINFO) && defined (SI_ARCHITECTURE)
if (sysinfo(SI_ARCHITECTURE, processor, sizeof(processor)) == -1)
perror("cannot get processor type");
}
#else
strcpy(processor, "unknown");
#endif
#if defined(__sparc__) && defined(__linux__)
if (fake_sparc != NULL
&& (fake_sparc[0] == 'y'
|| fake_sparc[0] == 'Y')) strcpy(name.machine, "sparc");
#endif
print_element(PRINT_SYSNAME, name.sysname);
print_element(PRINT_NODENAME, name.nodename);
print_element(PRINT_RELEASE, name.release);
print_element(PRINT_VERSION, name.version);
print_element(PRINT_MACHINE, name.machine);
print_element(PRINT_PROCESSOR, processor);
exit(TRUE);
}
/* If the name element set in MASK is selected for printing in `toprint',
print ELEMENT; then print a space unless it is the last element to
be printed, in which case print a newline. */
static void print_element(unsigned int mask, char *element)
{
if (toprint & mask) {
toprint &= ~mask;
printf("%s%c", element, toprint ? ' ' : '\n');
}
}
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