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