Mercurial > octave
annotate libinterp/corefcn/oct-iostrm.cc @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 09:52:15 -0500 |
parents | bd51beb6205e |
children | 3988112c7116 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2021 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
2081 | 25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
2081 | 28 #endif |
29 | |
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30 #include <istream> |
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31 #include <ostream> |
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32 |
2081 | 33 #include "error.h" |
34 #include "oct-iostrm.h" | |
35 | |
36 // Position a stream at OFFSET relative to ORIGIN. | |
37 | |
38 int | |
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39 octave_base_iostream::seek (off_t, int) |
2081 | 40 { |
41 invalid_operation (); | |
42 return -1; | |
43 } | |
44 | |
45 // Return current stream position. | |
46 | |
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47 off_t |
4797 | 48 octave_base_iostream::tell (void) |
2081 | 49 { |
50 invalid_operation (); | |
51 return -1; | |
52 } | |
53 | |
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54 // Return nonzero if EOF has been reached on this stream. |
2081 | 55 |
56 bool | |
57 octave_base_iostream::eof (void) const | |
58 { | |
59 invalid_operation (); | |
60 return false; | |
61 } | |
62 | |
63 void | |
64 octave_base_iostream::invalid_operation (void) const | |
65 { | |
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66 // Note: use ::error to get error from error.h which halts operation. |
2081 | 67 ::error ("%s: invalid operation", stream_type ()); |
68 } | |
69 | |
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70 // Return nonzero if EOF has been reached on this stream. |
3342 | 71 |
72 bool | |
73 octave_istream::eof (void) const | |
74 { | |
27172 | 75 return m_istream && m_istream->eof (); |
3342 | 76 } |
77 | |
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78 octave::stream |
4587 | 79 octave_istream::create (std::istream *arg, const std::string& n) |
3340 | 80 { |
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81 return octave::stream (new octave_istream (arg, n)); |
3340 | 82 } |
83 | |
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84 // Return nonzero if EOF has been reached on this stream. |
3342 | 85 |
86 bool | |
87 octave_ostream::eof (void) const | |
88 { | |
27172 | 89 return m_ostream && m_ostream->eof (); |
3342 | 90 } |
91 | |
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92 octave::stream |
4587 | 93 octave_ostream::create (std::ostream *arg, const std::string& n) |
3340 | 94 { |
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95 return octave::stream (new octave_ostream (arg, n)); |
3340 | 96 } |