mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/* 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 */
|
|
|
|
/* Further size reductions by Glenn McGrath and Manuel Novoa III. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/utsname.h>
|
|
#include <getopt.h>
|
|
#include "busybox.h"
|
|
|
|
typedef struct {
|
|
struct utsname name;
|
|
char processor[8]; /* for "unknown" */
|
|
} uname_info_t;
|
|
|
|
static const char options[] = "snrvmpa";
|
|
static const char flags[] = "\x01\x02\x04\x08\x10\x20\x3f";
|
|
static const unsigned short int utsname_offset[] = {
|
|
offsetof(uname_info_t,name.sysname),
|
|
offsetof(uname_info_t,name.nodename),
|
|
offsetof(uname_info_t,name.release),
|
|
offsetof(uname_info_t,name.version),
|
|
offsetof(uname_info_t,name.machine),
|
|
offsetof(uname_info_t,processor)
|
|
};
|
|
|
|
int uname_main(int argc, char **argv)
|
|
{
|
|
uname_info_t uname_info;
|
|
|
|
#if defined(__sparc__) && defined(__linux__)
|
|
char *fake_sparc = getenv("FAKE_SPARC");
|
|
#endif
|
|
|
|
const unsigned short int *delta;
|
|
int opt;
|
|
char toprint = 0;
|
|
|
|
while ((opt = getopt(argc, argv, options)) != -1) {
|
|
const char *p = strchr(options,opt);
|
|
if (p == NULL) {
|
|
show_usage();
|
|
}
|
|
toprint |= flags[(int)(p-options)];
|
|
}
|
|
|
|
if (toprint == 0) {
|
|
toprint = flags[0]; /* sysname */
|
|
}
|
|
|
|
if (uname(&uname_info.name) == -1) {
|
|
error_msg_and_die("cannot get system name");
|
|
}
|
|
|
|
#if defined(__sparc__) && defined(__linux__)
|
|
if ((fake_sparc != NULL)
|
|
&& ((fake_sparc[0] == 'y')
|
|
|| (fake_sparc[0] == 'Y'))) {
|
|
strcpy(uname_info.name.machine, "sparc");
|
|
}
|
|
#endif
|
|
|
|
strcpy(uname_info.processor, "unknown");
|
|
|
|
for (delta=utsname_offset ; toprint ; delta++, toprint >>= 1) {
|
|
if (toprint & 1) {
|
|
printf("%s ", ((char *)(&uname_info)) + *delta );
|
|
}
|
|
}
|
|
|
|
putchar('\n');
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|