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/*
* UNG's Not GNU
*
* Copyright (c) 2011, Jakob Kaivo <jakob@kaivo.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <stdio.h>
#include <getopt.h>
#include <sys/utsname.h>
const char *uname_desc = "return system name";
const char *uname_inv = "uname [-amnrsv]";
int
main(int argc, char **argv)
{
int c;
int machine = 0;
int nodename = 0;
int release = 0;
int sysname = 0;
int version = 0;
struct utsname uts;
int space = 0;
while ((c = getopt (argc, argv, ":amnrsv")) != -1) {
switch (c) {
case 'a':
machine = 1;
nodename = 1;
release = 1;
sysname = 1;
version = 1;
break;
case 'm':
machine = 1;
break;
case 'n':
nodename = 1;
break;
case 'r':
release = 1;
break;
case 's':
sysname = 1;
break;
case 'v':
version = 1;
break;
default:
return 1;
}
}
if (optind < argc)
return 1;
if (machine == 0 && nodename == 0 && release == 0 && version == 0)
sysname = 1;
uname (&uts);
if (sysname) space = printf ("%s", uts.sysname);
if (nodename) space = printf ("%s%s", space ? " " : "", uts.nodename);
if (release) space = printf ("%s%s", space ? " " : "", uts.release);
if (version) space = printf ("%s%s", space ? " " : "", uts.version);
if (machine) space = printf ("%s%s", space ? " " : "", uts.machine);
printf ("\n");
return 0;
}
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