| /* 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 (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>"); |
| } |