Mercurial > octave
annotate liboctave/system/file-stat.h @ 31771:21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
* mk-opts.pl, external.txi, embedded.cc, make_int.cc, standalone.cc,
standalonebuiltin.cc, BaseControl.cc, BaseControl.h, ButtonControl.cc,
ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h,
CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h,
ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc,
Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h,
GenericEventNotify.h, KeyMap.cc, ListBoxControl.cc, ListBoxControl.h,
Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, Object.cc, Object.h,
ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc,
PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc,
PushTool.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc,
SliderControl.h, Table.cc, Table.h, TextControl.cc, TextControl.h, TextEdit.h,
ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h,
ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, gl-select.cc,
gl-select.h, qopengl-functions.h, qt-graphics-toolkit.h, qdialog.cpp,
qfontdialog.cpp, qprintdialog_win.cpp, liboctgui-build-info.h,
liboctgui-build-info.in.cc, color-picker.cc, color-picker.h, command-widget.cc,
command-widget.h, community-news.cc, community-news.h, dialog.cc, dialog.h,
documentation-bookmarks.cc, documentation-bookmarks.h,
documentation-dock-widget.cc, documentation-dock-widget.h, documentation.cc,
documentation.h, dw-main-window.cc, dw-main-window.h,
external-editor-interface.cc, external-editor-interface.h,
files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc,
find-files-dialog.h, find-files-model.cc, find-files-model.h,
gui-preferences.cc, gui-preferences.h, gui-settings.cc, gui-settings.h,
history-dock-widget.cc, history-dock-widget.h, interpreter-qobject.cc,
interpreter-qobject.h, file-editor-interface.h, file-editor-tab.cc,
file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc,
find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h,
octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h,
news-reader.cc, news-reader.h, octave-dock-widget.cc, octave-dock-widget.h,
octave-qobject.cc, octave-qobject.h, qt-application.cc, qt-application.h,
qt-interpreter-events.cc, qt-interpreter-events.h, release-notes.cc,
release-notes.h, set-path-dialog.cc, set-path-dialog.h, set-path-model.cc,
set-path-model.h, settings-dialog.cc, settings-dialog.h,
shortcuts-tree-widget.cc, shortcuts-tree-widget.h, tab-bar.cc, tab-bar.h,
terminal-dock-widget.cc, terminal-dock-widget.h, variable-editor-model.cc,
variable-editor-model.h, variable-editor.cc, variable-editor.h,
welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h,
workspace-view.cc, workspace-view.h, build-env.h, Cell.cc, Cell.h,
__contourc__.cc, __magick_read__.cc, auto-shlib.cc, auto-shlib.h,
base-text-renderer.h, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
call-stack.cc, call-stack.h, debug.cc, defaults.cc, defaults.h, defun.cc,
display.cc, display.h, dynamic-ld.cc, dynamic-ld.h, environment.cc,
environment.h, error.cc, error.h, errwarn.cc, errwarn.h, event-manager.cc,
event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h,
ft-text-renderer.cc, ft-text-renderer.h, genprops.awk, gh-manager.cc,
gh-manager.h, gl-render.cc, gl-render.h, gl2ps-print.cc, graphics-toolkit.h,
graphics.cc, graphics.in.h, gtk-manager.cc, gtk-manager.h, help.cc, help.h,
hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h,
interpreter.cc, interpreter.h, jsondecode.cc, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
ls-hdf5.cc, ls-hdf5.h, mxarray.h, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc,
oct-fstrm.h, oct-handle.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc,
oct-iostrm.h, oct-map.cc, oct-map.h, oct-opengl.h, oct-prcstrm.cc,
oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.h, oct-stdstrm.h,
oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h,
oct-tex-lexer.in.ll, pager.cc, pager.h, pr-flt-fmt.cc, pr-flt-fmt.h,
pr-output.cc, pr-output.h, procstream.cc, procstream.h, settings.cc,
settings.h, sighandlers.cc, sighandlers.h, stack-frame.cc, stack-frame.h,
svd.cc, syminfo.cc, syminfo.h, symrec.cc, symrec.h, symscope.cc, symscope.h,
symtab.cc, symtab.h, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h,
text-renderer.cc, text-renderer.h, toplev.cc, url-handle-manager.cc,
url-handle-manager.h, variables.cc, xpow.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, audiodevinfo.cc, gzip.cc,
liboctinterp-build-info.h, liboctinterp-build-info.in.cc,
mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h,
cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h,
cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h,
cdef-utils.cc, cdef-utils.h, ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc,
ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc,
ov-base-scalar.h, ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h,
ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc,
ov-bool.h, ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc,
ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h,
ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.cc,
ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h,
ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.cc,
ov-fcn.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h,
ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h,
ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h,
ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h,
ov-legacy-range.cc, ov-legacy-range.h, ov-magic-int.cc, ov-magic-int.h,
ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h, ov-oncleanup.cc,
ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc,
ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h,
ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc,
ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc,
ov.h, ovl.cc, ovl.h, octave.cc, octave.h, anon-fcn-validator.h, bp-table.cc,
bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll,
oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h,
pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc,
pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h,
pt-binop.cc, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h,
pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc,
pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc,
pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.h, pt-misc.cc, pt-misc.h,
pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h,
pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h,
pt-walk.h, pt.cc, pt.h, token.cc, token.h, usage.h, Array-base.cc, Array.h,
CColVector.cc, CColVector.h, CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc,
CMatrix.h, CNDArray.cc, CNDArray.h, CRowVector.cc, CRowVector.h, CSparse.cc,
CSparse.h, DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.h,
MSparse.h, MatrixType.cc, MatrixType.h, PermMatrix.cc, PermMatrix.h, Range.cc,
Range.h, Sparse-b.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h,
boolNDArray.cc, boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.h,
chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc, dDiagMatrix.h,
dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc, dRowVector.h,
dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h, fCColVector.cc,
fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc, fCMatrix.h,
fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h, fColVector.cc,
fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc, fMatrix.h,
fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc,
idx-vector.h, intNDArray.cc, intNDArray.h, liboctave-build-info.h,
liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h,
DAERTFunc.h, DASPK.cc, DASPK.h, DASRT.cc, DASRT.h, DASSL.cc, DASSL.h, DET.h,
EIG.h, LSODE.cc, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h,
aepbalance.cc, aepbalance.h, base-dae.h, base-de.h, chol.cc, chol.h,
eigs-base.cc, fEIG.h, gepbalance.h, gsvd.cc, gsvd.h, hess.h, lu.cc, lu.h,
oct-fftw.cc, oct-fftw.h, oct-rand.cc, oct-rand.h, oct-spparms.cc,
oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randmtzig.cc, randmtzig.h, schur.h,
sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc,
sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h,
file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h,
lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h,
oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc,
oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h,
action-container.h, base-list.h, caseless-str.h, cmd-edit.cc, cmd-edit.h,
cmd-hist.cc, cmd-hist.h, data-conv.cc, file-info.h, glob-match.cc,
glob-match.h, kpse.cc, kpse.h, lo-array-errwarn.cc, lo-array-errwarn.h,
lo-hash.cc, lo-hash.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-regexp.h,
oct-inttypes.cc, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h,
oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sort.h, oct-sparse.cc,
octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc,
singleton-cleanup.cc, singleton-cleanup.h, str-vec.cc, str-vec.h,
unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h, version.cc,
version.in.h, cxx-signal-helpers.cc, acinclude.m4, main-cli.cc, main-gui.cc,
main.in.cc, mkoctfile.in.cc, octave-build-info.h, octave-build-info.in.cc,
octave-config.in.cc, octave-svgconvert.cc, shared-fcns.h:
maint: Eliminate "(void)" in C++ function prototypes/declarations.
author | Rik <rik@octave.org> |
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date | Tue, 24 Jan 2023 17:19:44 -0800 |
parents | 597f3ee61a48 |
children | 1daf8bfceac3 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2023 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 //////////////////////////////////////////////////////////////////////// |
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26 #if ! defined (octave_file_stat_h) |
2926 | 27 #define octave_file_stat_h 1 |
28 | |
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29 #include "octave-config.h" |
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30 |
2926 | 31 #include <string> |
32 | |
3260 | 33 #include "oct-time.h" |
34 | |
2926 | 35 #include <sys/types.h> |
36 | |
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37 OCTAVE_BEGIN_NAMESPACE(octave) |
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38 |
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39 OCTAVE_BEGIN_NAMESPACE(sys) |
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40 |
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41 class |
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42 OCTAVE_API |
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43 base_file_stat |
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44 { |
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45 public: |
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46 |
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47 base_file_stat () |
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48 : m_initialized (false), m_fail (false), m_errmsg (), m_mode (), |
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49 m_ino (), m_dev (), m_nlink (), m_uid (), m_gid (), |
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50 m_size (), m_atime (), m_mtime (), m_ctime (), m_rdev (), |
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51 m_blksize (), m_blocks () { } |
2926 | 52 |
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53 base_file_stat (const base_file_stat& fs) |
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54 : m_initialized (fs.m_initialized), m_fail (fs.m_fail), |
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55 m_errmsg (fs.m_errmsg), m_mode (fs.m_mode), m_ino (fs.m_ino), |
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56 m_dev (fs.m_dev), m_nlink (fs.m_nlink), m_uid (fs.m_uid), |
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57 m_gid (fs.m_gid), m_size (fs.m_size), m_atime (fs.m_atime), |
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58 m_mtime (fs.m_mtime), m_ctime (fs.m_ctime), m_rdev (fs.m_rdev), |
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59 m_blksize (fs.m_blksize), m_blocks (fs.m_blocks) { } |
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61 base_file_stat& operator = (const base_file_stat& fs) |
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62 { |
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63 if (this != &fs) |
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64 { |
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65 m_initialized = fs.m_initialized; |
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66 m_fail = fs.m_fail; |
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67 m_errmsg = fs.m_errmsg; |
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68 m_mode = fs.m_mode; |
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69 m_ino = fs.m_ino; |
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70 m_dev = fs.m_dev; |
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71 m_nlink = fs.m_nlink; |
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72 m_uid = fs.m_uid; |
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73 m_gid = fs.m_gid; |
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74 m_size = fs.m_size; |
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75 m_atime = fs.m_atime; |
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76 m_mtime = fs.m_mtime; |
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77 m_ctime = fs.m_ctime; |
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78 m_rdev = fs.m_rdev; |
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79 m_blksize = fs.m_blksize; |
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80 m_blocks = fs.m_blocks; |
2926 | 81 } |
82 | |
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83 return *this; |
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84 } |
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86 // The minimum difference in file time stamp values. |
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87 // FIXME: This value should come from the filesystem itself. |
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88 // How can we get that info? |
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89 sys::time time_resolution () const |
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90 { |
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91 static sys::time resolution (1.0); |
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92 return resolution; |
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93 } |
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94 |
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95 // File status and info. The is_XXX functions will return false for |
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96 // file_stat objects that are not properly initialized. The others |
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97 // should all return 0 (or the equivalent, for the given object) |
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98 // which is likely not meaningful. |
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100 bool is_blk () const; |
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101 bool is_chr () const; |
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102 bool is_dir () const; |
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103 bool is_fifo () const; |
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104 bool is_lnk () const; |
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105 bool is_reg () const; |
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106 bool is_sock () const; |
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108 static bool is_blk (mode_t mode); |
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109 static bool is_chr (mode_t mode); |
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110 static bool is_dir (mode_t mode); |
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111 static bool is_fifo (mode_t mode); |
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112 static bool is_lnk (mode_t mode); |
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113 static bool is_reg (mode_t mode); |
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114 static bool is_sock (mode_t mode); |
5476 | 115 |
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116 static bool have_struct_stat_st_rdev (); |
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117 static bool have_struct_stat_st_blksize (); |
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118 static bool have_struct_stat_st_blocks (); |
2926 | 119 |
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120 ino_t ino () const { return m_ino; } |
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121 dev_t dev () const { return m_dev; } |
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123 nlink_t nlink () const { return m_nlink; } |
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124 |
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125 uid_t uid () const { return m_uid; } |
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126 gid_t gid () const { return m_gid; } |
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128 off_t size () const { return m_size; } |
2926 | 129 |
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130 sys::time atime () const { return m_atime; } |
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131 sys::time mtime () const { return m_mtime; } |
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132 sys::time ctime () const { return m_ctime; } |
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134 dev_t rdev () const { return m_rdev; } |
2926 | 135 |
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136 long blksize () const { return m_blksize; } |
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137 long blocks () const { return m_blocks; } |
2926 | 138 |
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139 mode_t mode () const { return m_mode; } |
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140 |
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141 std::string mode_as_string () const; |
2926 | 142 |
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143 bool ok () const { return m_initialized && ! m_fail; } |
2926 | 144 |
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145 operator bool () const { return ok (); } |
2926 | 146 |
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147 bool exists () const { return ok (); } |
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148 |
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149 std::string error () const { return ok () ? "" : m_errmsg; } |
2926 | 150 |
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151 // Has the file referenced by this object been modified since TIME? |
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152 bool is_newer (const sys::time& time) const { return m_mtime > time; } |
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153 |
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154 // It's nice to be able to hide the file_stat object if we don't |
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155 // really care about it. |
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156 static int is_newer (const std::string&, const sys::time&); |
2926 | 157 |
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158 protected: |
2926 | 159 |
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160 virtual ~base_file_stat () = default; |
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162 // TRUE means we have already called stat. |
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163 bool m_initialized; |
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165 // TRUE means the stat for this file failed. |
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166 bool m_fail; |
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168 // If a failure occurs, this contains the system error text. |
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169 std::string m_errmsg; |
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171 // file type and permissions |
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172 mode_t m_mode; |
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174 // serial number |
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175 ino_t m_ino; |
2926 | 176 |
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177 // device number |
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178 dev_t m_dev; |
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180 // number of links |
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181 nlink_t m_nlink; |
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183 // user ID of owner |
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184 uid_t m_uid; |
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185 |
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186 // group ID of owner |
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187 gid_t m_gid; |
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189 // size in bytes, for regular files |
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190 off_t m_size; |
8549 | 191 |
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192 // time of last access |
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193 sys::time m_atime; |
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194 |
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195 // time of last modification |
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196 sys::time m_mtime; |
8549 | 197 |
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198 // time of last file status change |
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199 sys::time m_ctime; |
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200 |
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201 // device number for special files |
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202 dev_t m_rdev; |
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204 // best I/O block size |
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205 long m_blksize; |
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206 |
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207 // number of 512-byte blocks allocated |
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208 long m_blocks; |
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209 }; |
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211 class |
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212 OCTAVE_API |
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213 file_stat : public base_file_stat |
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214 { |
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215 public: |
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217 // This constructor must remain defined in the cpp file rather than in |
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218 // the header file (bug #50234). |
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219 file_stat (const std::string& n = "", bool fl = true); |
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221 file_stat (const file_stat& fs) |
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222 : base_file_stat (fs), m_file_name (fs.m_file_name), |
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223 m_follow_links (fs.m_follow_links) { } |
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224 |
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225 file_stat& operator = (const file_stat& fs) |
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226 { |
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227 if (this != &fs) |
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228 { |
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229 base_file_stat::operator = (fs); |
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231 m_file_name = fs.m_file_name; |
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232 m_follow_links = fs.m_follow_links; |
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233 } |
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235 return *this; |
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236 } |
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237 |
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238 // This destructor must remain as an empty destructor defined in the |
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239 // cpp file rather than in the header file (bug #50234). |
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240 ~file_stat (); |
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241 |
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242 void get_stats (bool force = false) |
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243 { |
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244 if (! m_initialized || force) |
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245 update_internal (force); |
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246 } |
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248 void get_stats (const std::string& n, bool force = false) |
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249 { |
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250 if (n != m_file_name || ! m_initialized || force) |
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251 { |
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252 m_initialized = false; |
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253 |
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254 m_file_name = n; |
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255 |
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256 update_internal (force); |
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257 } |
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258 } |
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259 |
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260 private: |
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262 // Name of the file. |
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263 std::string m_file_name; |
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264 |
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265 // TRUE means follow symbolic links to the ultimate file (stat). |
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266 // FALSE means get information about the link itself (lstat). |
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267 bool m_follow_links; |
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268 |
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269 void update_internal (bool force = false); |
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270 }; |
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271 |
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272 class |
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273 OCTAVE_API |
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274 file_fstat : public base_file_stat |
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275 { |
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276 public: |
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277 |
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278 file_fstat (int n) : base_file_stat (), m_fid (n) |
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279 { |
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280 update_internal (); |
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281 } |
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282 |
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283 file_fstat (const file_fstat& fs) |
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284 : base_file_stat (fs), m_fid (fs.m_fid) { } |
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285 |
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286 file_fstat& operator = (const file_fstat& fs) |
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287 { |
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288 if (this != &fs) |
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289 { |
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290 base_file_stat::operator = (fs); |
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291 |
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292 m_fid = fs.m_fid; |
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293 } |
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295 return *this; |
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296 } |
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298 ~file_fstat () = default; |
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300 void get_stats (bool force = false) |
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301 { |
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302 if (! m_initialized || force) |
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303 update_internal (force); |
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304 } |
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305 |
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306 void get_stats (int n, bool force = false) |
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307 { |
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308 if (n != m_fid || ! m_initialized || force) |
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310 m_initialized = false; |
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312 m_fid = n; |
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314 update_internal (force); |
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316 } |
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317 |
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318 private: |
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319 |
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320 // Open file descriptor. |
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321 int m_fid; |
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323 void update_internal (bool force = false); |
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324 }; |
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325 |
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326 OCTAVE_END_NAMESPACE(sys) |
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327 OCTAVE_END_NAMESPACE(octave) |
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328 |
2926 | 329 #endif |