Mercurial > octave
annotate libinterp/interp-core/oct-fstrm.h @ 16011:8122286c69a9
initial large file support for 32-bit systems
* bootstrap.conf (gnulib_modules): Explicitly list largefile.
* c-file-ptr-stream.cc, c-file-ptr-stream.h, oct-fstrm.cc,
oct-fstrm.h, oct-iostrm.cc, oct-iostrm.h, oct-stdstrm.h,
oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h,
file-io.cc: Use off_t instead of long for seek and tell file position
values.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 07 Feb 2013 11:58:46 -0500 |
| parents | 2fc554ffbc28 |
| children |
| rev | line source |
|---|---|
| 2081 | 1 /* |
| 2 | |
|
14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
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 #if !defined (octave_octave_fstream_h) | |
| 24 #define octave_octave_fstream_h 1 | |
| 25 | |
| 3503 | 26 #include <fstream> |
| 3775 | 27 #include <string> |
| 2081 | 28 |
| 29 #include "oct-stream.h" | |
| 30 | |
| 31 class | |
| 32 octave_fstream : public octave_base_stream | |
| 33 { | |
| 34 public: | |
| 35 | |
| 3523 | 36 octave_fstream (const std::string& nm_arg, |
| 10313 | 37 std::ios::openmode arg_md = std::ios::in|std::ios::out, |
| 38 oct_mach_info::float_format flt_fmt | |
| 39 = oct_mach_info::native_float_format ()); | |
| 2081 | 40 |
| 3340 | 41 static octave_stream |
| 3544 | 42 create (const std::string& nm_arg, |
| 10313 | 43 std::ios::openmode arg_md = std::ios::in|std::ios::out, |
| 44 oct_mach_info::float_format flt_fmt | |
| 45 = oct_mach_info::native_float_format ()); | |
| 2081 | 46 |
| 47 // Position a stream at OFFSET relative to ORIGIN. | |
| 48 | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
49 int seek (off_t offset, int origin); |
| 2081 | 50 |
| 51 // Return current stream position. | |
| 52 | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
53 off_t tell (void); |
| 2081 | 54 |
| 55 // Return non-zero if EOF has been reached on this stream. | |
| 56 | |
| 57 bool eof (void) const; | |
| 58 | |
| 3652 | 59 void do_close (void); |
| 60 | |
| 2081 | 61 // The name of the file. |
| 62 | |
| 3523 | 63 std::string name (void) const { return nm; } |
| 2081 | 64 |
| 3523 | 65 std::istream *input_stream (void); |
| 2081 | 66 |
| 3523 | 67 std::ostream *output_stream (void); |
| 2081 | 68 |
| 3340 | 69 protected: |
| 70 | |
| 71 ~octave_fstream (void) { } | |
| 72 | |
| 2081 | 73 private: |
| 74 | |
| 3523 | 75 std::string nm; |
| 2081 | 76 |
| 3551 | 77 std::fstream fs; |
| 2081 | 78 |
| 79 // No copying! | |
| 80 | |
| 81 octave_fstream (const octave_fstream&); | |
| 82 | |
| 83 octave_fstream& operator = (const octave_fstream&); | |
| 84 }; | |
| 85 | |
| 86 #endif |