| /* Test of system information. |
| Copyright (C) 2009-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2009. */ |
| |
| #include <config.h> |
| |
| #include <sys/utsname.h> |
| |
| #include "signature.h" |
| SIGNATURE_CHECK (uname, int, (struct utsname *)); |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "macros.h" |
| |
| |
| /* This program can be called with no arguments, then it performs a unit |
| test. Or it can be called with 1 argument, then it prints the uname |
| contents to standard output. */ |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| struct utsname buf; |
| |
| memset (&buf, '?', sizeof (buf)); |
| |
| ASSERT (uname (&buf) >= 0); |
| |
| /* Verify that every field's value is NUL terminated. */ |
| ASSERT (strlen (buf.sysname) < sizeof (buf.sysname)); |
| ASSERT (strlen (buf.nodename) < sizeof (buf.nodename)); |
| ASSERT (strlen (buf.release) < sizeof (buf.release)); |
| ASSERT (strlen (buf.version) < sizeof (buf.version)); |
| ASSERT (strlen (buf.machine) < sizeof (buf.machine)); |
| |
| if (argc > 1) |
| { |
| /* Show the result. */ |
| |
| printf ("uname -n = nodename = %s\n", buf.nodename); |
| printf ("uname -s = sysname = %s\n", buf.sysname); |
| printf ("uname -r = release = %s\n", buf.release); |
| printf ("uname -v = version = %s\n", buf.version); |
| printf ("uname -m = machine or cpu = %s\n", buf.machine); |
| } |
| |
| return 0; |
| } |