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