annotate src/oct-errno.h @ 12134:6c54ad0fde04 release-3-4-x ss-3-3-90

update copyright and version info for release branch
author John W. Eaton <jwe@octave.org>
date Sat, 22 Jan 2011 13:50:32 -0500
parents fd0a3ac60b0e
children e1f76bfe0452
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1 // oct-errno.h.in
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2 /*
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3
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fd0a3ac60b0e update copyright notices
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4 Copyright (C) 2005-2011 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (octave_errno_h)
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25 #define octave_errno_h 1
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26
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27 #include <cerrno>
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28 #include <map>
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29 #include <string>
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30
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31 #include "oct-map.h"
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32
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33 class
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34 octave_errno
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35 {
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36 protected:
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37
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38 octave_errno (void);
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39
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40 public:
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41
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42 ~octave_errno (void) { }
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43
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44 static bool instance_ok (void);
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45
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46 static int lookup (const std::string& name);
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47
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48 static octave_scalar_map list (void);
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49
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50 static int get (void) { return errno; }
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51
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52 static int set (int val)
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53 {
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54 int retval = errno;
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55 errno = val;
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56 return retval;
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57 }
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58
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59 private:
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60
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61 std::map<std::string, int> errno_tbl;
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62
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63 static octave_errno *instance;
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64
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65 int do_lookup (const std::string& name);
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66
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67 octave_scalar_map do_list (void);
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68 };
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69
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70 #endif