1 ////////////////////////////////////////////////////////////////////////
2 //
3 // Copyright (C) 2016-2021 The Octave Project Developers
4 //
5 // See the file COPYRIGHT.md in the top-level directory of this
6 // distribution or <https://octave.org/copyright/>.
7 //
8 // This file is part of Octave.
9 //
10 // Octave is free software: you can redistribute it and/or modify it
11 // under the terms of the GNU General Public License as published by
12 // the Free Software Foundation, either version 3 of the License, or
13 // (at your option) any later version.
14 //
15 // Octave is distributed in the hope that it will be useful, but
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 // GNU General Public License for more details.
19 //
20 // You should have received a copy of the GNU General Public License
21 // along with Octave; see the file COPYING.  If not, see
22 // <https://www.gnu.org/licenses/>.
23 //
24 ////////////////////////////////////////////////////////////////////////
25 
26 // uname may be provided by gnulib.  We don't include gnulib headers
27 // directly in Octave's C++ source files to avoid problems that may be
28 // caused by the way that gnulib overrides standard library functions.
29 
30 #if defined (HAVE_CONFIG_H)
31 #  include "config.h"
32 #endif
33 
34 #include <sys/utsname.h>
35 
36 #include "uname-wrapper.h"
37 
38 // Returns pointers to static storage.
39 
40 int
octave_uname_wrapper(char ** sysname,char ** nodename,char ** release,char ** version,char ** machine)41 octave_uname_wrapper (char **sysname, char **nodename,
42                       char **release, char **version, char **machine)
43 {
44   static struct utsname unm;
45 
46   int err = uname (&unm);
47 
48   if (err < 0)
49     {
50       *sysname = 0;
51       *nodename = 0;
52       *release = 0;
53       *version = 0;
54       *machine = 0;
55     }
56   else
57     {
58       *sysname = unm.sysname;
59       *nodename = unm.nodename;
60       *release = unm.release;
61       *version = unm.version;
62       *machine = unm.machine;
63     }
64 
65   return err;
66 }
67