Mercurial > octave
annotate libinterp/corefcn/oct-fstrm.cc @ 23457:21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
* FigureWindow.h, Logger.cc, Menu.cc, MouseModeActionGroup.h, Object.h,
ObjectFactory.cc, ObjectProxy.h, color-picker.h, documentation-dock-widget.h,
files-dock-widget.h, find-files-dialog.h, history-dock-widget.h,
file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.h,
main-window.cc, main-window.h, octave-dock-widget.h, parser.cc, parser.h,
webinfo.h, resource-manager.cc, shortcut-manager.cc, shortcut-manager.h,
terminal-dock-widget.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.h,
workspace-view.h, __magick_read__.cc, call-stack.cc, call-stack.h, cdisplay.c,
display.cc, dlmread.cc, dynamic-ld.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, input.h, interpreter.cc, interpreter.h, ls-hdf5.cc,
mex.cc, mxarray.in.h, oct-errno.in.cc, oct-fstrm.cc, oct-iostrm.h,
oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-stream.h, octave-link.cc,
pager.cc, pr-output.cc, profiler.h, qz.cc, sighandlers.cc, strfns.cc,
symtab.cc, symtab.h, typecast.cc, urlwrite.cc, variables.cc, __eigs__.cc,
__init_fltk__.cc, __ode15__.cc, colamd.cc, ov-base-int.cc, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-class.cc, ov-classdef.cc,
ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc,
ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, octave.cc, octave.h, bp-table.cc,
jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h, pt-arg-list.cc,
pt-arg-list.h, pt-array-list.h, pt-cell.h, pt-classdef.h, pt-colon.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.h, pt-idx.h, pt-jit.cc, pt-jit.h,
pt-loop.h, pt-mat.h, pt-select.h, pt.h, CSparse.cc, dSparse.cc, DASPK.cc,
DASRT.cc, DASSL.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc, child-list.cc,
file-ops.cc, mach-info.cc, oct-env.cc, oct-time.cc, cmd-edit.cc, cmd-hist.cc,
oct-locbuf.cc, oct-shlib.cc, pathsearch.cc, singleton-cleanup.cc,
unwind-prot.h, url-transfer.cc:
Use C++11 nullptr rather than 0 or NULL when possible.
| author | Rik <rik@octave.org> |
|---|---|
| date | Fri, 28 Apr 2017 13:19:12 -0700 |
| parents | 092078913d54 |
| children | 194eb4bd202b |
| rev | line source |
|---|---|
| 2081 | 1 /* |
| 2 | |
|
23219
3ac9f9ecfae5
maint: Update copyright dates.
John W. Eaton <jwe@octave.org>
parents:
23083
diff
changeset
|
3 Copyright (C) 1996-2017 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 | |
|
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
8 under the terms of the GNU General Public License as published by |
|
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
9 the Free Software Foundation; either version 3 of the License, or |
|
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
10 (at your option) any later version. |
| 2081 | 11 |
|
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
12 Octave is distributed in the hope that it will be useful, but |
|
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
13 WITHOUT ANY WARRANTY; without even the implied warranty of |
|
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
15 GNU General Public License for more details. |
| 2081 | 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 | |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
23 #if defined (HAVE_CONFIG_H) |
|
21301
40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
24 # include "config.h" |
| 2081 | 25 #endif |
| 26 | |
| 27 #include <cerrno> | |
|
10463
bbe99b2a5ba7
undo recent gnulib-related changes
John W. Eaton <jwe@octave.org>
parents:
10447
diff
changeset
|
28 #include <cstring> |
| 2081 | 29 |
| 30 #include "error.h" | |
| 31 #include "oct-fstrm.h" | |
| 32 | |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
33 octave::stream |
| 3570 | 34 octave_fstream::create (const std::string& nm_arg, std::ios::openmode arg_md, |
|
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
35 octave::mach_info::float_format ff) |
| 3340 | 36 { |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
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, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
41 std::ios::openmode arg_md, |
|
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
42 octave::mach_info::float_format ff) |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
43 : octave::base_stream (arg_md, ff), nm (nm_arg) |
| 2081 | 44 { |
| 3775 | 45 fs.open (nm.c_str (), arg_md); |
| 46 | |
| 2081 | 47 if (! fs) |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
48 // Note: error is inherited from octave::base_stream, not ::error. |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21739
diff
changeset
|
49 error (std::strerror (errno)); |
| 2081 | 50 } |
| 51 | |
| 52 // Position a stream at OFFSET relative to ORIGIN. | |
| 53 | |
| 54 int | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
55 octave_fstream::seek (off_t, int) |
| 2081 | 56 { |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
57 // Note: error is inherited from octave::base_stream, not ::error. |
|
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20916
diff
changeset
|
58 // This error function does not halt execution so "return ..." must exist. |
| 4797 | 59 error ("fseek: invalid_operation"); |
|
20916
8ddb11c0b1f8
restore return statements after calls to octave_base_stream::error
John W. Eaton <jwe@octave.org>
parents:
20893
diff
changeset
|
60 return -1; |
| 2081 | 61 } |
| 62 | |
| 63 // Return current stream position. | |
| 64 | |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
65 off_t |
| 4797 | 66 octave_fstream::tell (void) |
| 2081 | 67 { |
|
23059
b98ebcd7f11c
move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
68 // Note: error is inherited from octave::base_stream, not ::error. |
|
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20916
diff
changeset
|
69 // This error function does not halt execution so "return ..." must exist. |
| 4797 | 70 error ("ftell: invalid_operation"); |
|
20916
8ddb11c0b1f8
restore return statements after calls to octave_base_stream::error
John W. Eaton <jwe@octave.org>
parents:
20893
diff
changeset
|
71 return -1; |
| 2081 | 72 } |
| 73 | |
|
18812
9ac2357f19bc
doc: Replace "non-zero" with "nonzero" to match existing usage.
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
74 // Return nonzero if EOF has been reached on this stream. |
| 2081 | 75 |
| 76 bool | |
| 77 octave_fstream::eof (void) const | |
| 78 { | |
| 79 return fs.eof (); | |
| 80 } | |
| 81 | |
| 3652 | 82 void |
| 83 octave_fstream::do_close (void) | |
| 84 { | |
| 85 fs.close (); | |
| 86 } | |
| 87 | |
| 3523 | 88 std::istream * |
| 2081 | 89 octave_fstream::input_stream (void) |
| 90 { | |
|
23457
21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
91 std::istream *retval = nullptr; |
| 2081 | 92 |
| 3544 | 93 if (mode () & std::ios::in) |
| 2081 | 94 retval = &fs; |
| 95 | |
| 96 return retval; | |
| 97 } | |
| 98 | |
| 3523 | 99 std::ostream * |
| 2081 | 100 octave_fstream::output_stream (void) |
| 101 { | |
|
23457
21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
102 std::ostream *retval = nullptr; |
| 2081 | 103 |
| 3544 | 104 if (mode () & std::ios::out) |
| 2081 | 105 retval = &fs; |
| 106 | |
| 107 return retval; | |
| 108 } |