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/* See LICENSE file for copyright and license details. */
#include <sys/utsname.h>
#include <stdio.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [-amnrsv]\n", argv0);
}
int
main(int argc, char *argv[])
{
struct utsname u;
int mflag = 0, nflag = 0, rflag = 0, sflag = 0, vflag = 0;
ARGBEGIN {
case 'a':
mflag = nflag = rflag = sflag = vflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'n':
nflag = 1;
break;
case 'r':
rflag = 1;
break;
case 's':
sflag = 1;
break;
case 'v':
vflag = 1;
break;
default:
usage();
} ARGEND
if (argc)
usage();
if (uname(&u) < 0)
eprintf("uname:");
if (sflag || !(nflag || rflag || vflag || mflag))
putword(stdout, u.sysname);
if (nflag)
putword(stdout, u.nodename);
if (rflag)
putword(stdout, u.release);
if (vflag)
putword(stdout, u.version);
if (mflag)
putword(stdout, u.machine);
putchar('\n');
return fshut(stdout, "<stdout>");
}