Mercurial > hg > octave-nkf
annotate src/oct-fstrm.cc @ 14686:847ed7f603cf stable
Added tag rc-3-6-2-2 for changeset 4460c4fb20e6
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 24 May 2012 15:36:06 -0400 |
| parents | 72c96de7a403 |
| children |
| rev | line source |
|---|---|
| 2081 | 1 /* |
| 2 | |
|
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maint: update copyright notices for 2012
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3 Copyright (C) 1996-2012 John W. Eaton |
| 2081 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2081 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2081 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 27 #include <cerrno> | |
|
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28 #include <cstring> |
| 2081 | 29 |
| 30 #include "error.h" | |
| 31 #include "oct-fstrm.h" | |
| 32 | |
| 3340 | 33 octave_stream |
| 3570 | 34 octave_fstream::create (const std::string& nm_arg, std::ios::openmode arg_md, |
|
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untabify src C++ source files
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35 oct_mach_info::float_format ff) |
| 3340 | 36 { |
| 4587 | 37 return octave_stream (new octave_fstream (nm_arg, arg_md, ff)); |
| 3340 | 38 } |
| 39 | |
| 3552 | 40 octave_fstream::octave_fstream (const std::string& nm_arg, |
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57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
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41 std::ios::openmode arg_md, |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
42 oct_mach_info::float_format ff) |
| 4587 | 43 : octave_base_stream (arg_md, ff), nm (nm_arg) |
| 2081 | 44 { |
| 3775 | 45 |
| 46 #if CXX_ISO_COMPLIANT_LIBRARY | |
| 47 | |
| 48 fs.open (nm.c_str (), arg_md); | |
| 49 | |
| 50 #else | |
| 2081 | 51 // Override default protection of 0664 so that umask will appear to |
| 52 // do the right thing. | |
| 53 | |
| 3570 | 54 fs.open (nm.c_str (), arg_md, 0666); |
| 2081 | 55 |
| 3775 | 56 #endif |
| 57 | |
| 2081 | 58 if (! fs) |
| 10411 | 59 error (gnulib::strerror (errno)); |
| 2081 | 60 } |
| 61 | |
| 62 // Position a stream at OFFSET relative to ORIGIN. | |
| 63 | |
| 64 int | |
| 4797 | 65 octave_fstream::seek (long, int) |
| 2081 | 66 { |
| 4797 | 67 error ("fseek: invalid_operation"); |
| 68 return -1; | |
| 2081 | 69 } |
| 70 | |
| 71 // Return current stream position. | |
| 72 | |
| 4797 | 73 long |
| 74 octave_fstream::tell (void) | |
| 2081 | 75 { |
| 4797 | 76 error ("ftell: invalid_operation"); |
| 77 return -1; | |
| 2081 | 78 } |
| 79 | |
| 80 // Return non-zero if EOF has been reached on this stream. | |
| 81 | |
| 82 bool | |
| 83 octave_fstream::eof (void) const | |
| 84 { | |
| 85 return fs.eof (); | |
| 86 } | |
| 87 | |
| 3652 | 88 void |
| 89 octave_fstream::do_close (void) | |
| 90 { | |
| 91 fs.close (); | |
| 92 } | |
| 93 | |
| 3523 | 94 std::istream * |
| 2081 | 95 octave_fstream::input_stream (void) |
| 96 { | |
| 3523 | 97 std::istream *retval = 0; |
| 2081 | 98 |
| 3544 | 99 if (mode () & std::ios::in) |
| 2081 | 100 retval = &fs; |
| 101 | |
| 102 return retval; | |
| 103 } | |
| 104 | |
| 3523 | 105 std::ostream * |
| 2081 | 106 octave_fstream::output_stream (void) |
| 107 { | |
| 3523 | 108 std::ostream *retval = 0; |
| 2081 | 109 |
| 3544 | 110 if (mode () & std::ios::out) |
| 2081 | 111 retval = &fs; |
| 112 | |
| 113 return retval; | |
| 114 } |