118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
|
/* This file is part of ToaruOS and is released under the terms
|
||
|
|
* of the NCSA / University of Illinois License - see LICENSE.md
|
||
|
|
* Copyright (C) 2013 Kevin Lange
|
||
|
|
*/
|
||
|
|
/* vim: tabstop=4 shiftwidth=4 noexpandtab
|
||
|
|
*
|
||
|
|
* uname
|
||
|
|
*
|
||
|
|
* Prints the kernel version information.
|
||
|
|
*/
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <syscall.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/utsname.h>
|
||
|
|
|
||
|
|
#define FLAG_SYSNAME 0x01
|
||
|
|
#define FLAG_NODENAME 0x02
|
||
|
|
#define FLAG_RELEASE 0x04
|
||
|
|
#define FLAG_VERSION 0x08
|
||
|
|
#define FLAG_MACHINE 0x10
|
||
|
|
|
||
|
|
#define FLAG_ALL (FLAG_SYSNAME|FLAG_NODENAME|FLAG_RELEASE|FLAG_VERSION|FLAG_MACHINE)
|
||
|
|
|
||
|
|
#define _ITALIC "\033[3m"
|
||
|
|
#define _END "\033[0m\n"
|
||
|
|
|
||
|
|
void show_usage(int argc, char * argv[]) {
|
||
|
|
fprintf(stderr,
|
||
|
|
"uname - Print system version information.\n"
|
||
|
|
"\n"
|
||
|
|
"usage: %s [-asnrvm]\n"
|
||
|
|
"\n"
|
||
|
|
" -a " _ITALIC "Print the standard uname string we all love" _END
|
||
|
|
" -s " _ITALIC "Print kernel name" _END
|
||
|
|
" -n " _ITALIC "Print system name" _END
|
||
|
|
" -r " _ITALIC "Print kernel version number" _END
|
||
|
|
" -v " _ITALIC "Print the extra kernel version information" _END
|
||
|
|
" -m " _ITALIC "Print the architecture name" _END
|
||
|
|
"\n", argv[0]);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char * argv[]) {
|
||
|
|
struct utsname u;
|
||
|
|
|
||
|
|
int c;
|
||
|
|
int flags = 0;
|
||
|
|
int space = 0;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
while ((c = getopt(argc, argv, "ahmnrsv")) != -1) {
|
||
|
|
switch (c) {
|
||
|
|
case 'a':
|
||
|
|
flags |= FLAG_ALL;
|
||
|
|
break;
|
||
|
|
case 's':
|
||
|
|
flags |= FLAG_SYSNAME;
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
flags |= FLAG_NODENAME;
|
||
|
|
break;
|
||
|
|
case 'r':
|
||
|
|
flags |= FLAG_RELEASE;
|
||
|
|
break;
|
||
|
|
case 'v':
|
||
|
|
flags |= FLAG_VERSION;
|
||
|
|
break;
|
||
|
|
case 'm':
|
||
|
|
flags |= FLAG_MACHINE;
|
||
|
|
break;
|
||
|
|
case 'h':
|
||
|
|
default:
|
||
|
|
show_usage(argc, argv);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
flags |= FLAG_ALL;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
uname(&u);
|
||
|
|
|
||
|
|
if (!flags) {
|
||
|
|
/* By default, we just print the kernel name */
|
||
|
|
flags = FLAG_SYSNAME;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & FLAG_SYSNAME) {
|
||
|
|
if (space++) printf(" ");
|
||
|
|
printf("%s", u.sysname);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & FLAG_NODENAME) {
|
||
|
|
if (space++) printf(" ");
|
||
|
|
printf("%s", u.nodename);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & FLAG_RELEASE) {
|
||
|
|
if (space++) printf(" ");
|
||
|
|
printf("%s", u.release);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & FLAG_VERSION) {
|
||
|
|
if (space++) printf(" ");
|
||
|
|
printf("%s", u.version);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & FLAG_MACHINE) {
|
||
|
|
if (space++) printf(" ");
|
||
|
|
printf("%s", u.machine);
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("\n");
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|