Mercurial > octave
annotate liboctave/system/file-ops.cc @ 21724:aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
* configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc,
ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc,
GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc,
MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc,
ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc,
PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc,
ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc,
octave-txt-lexer.cc, main-window.cc, octave-cmd.cc,
octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc,
workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc,
__lin_interpn__.cc, __luinc__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc,
bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc,
error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc,
file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc,
gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc,
help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h,
jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc,
load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h,
mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc,
oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll,
oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc,
pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc,
pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c,
siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc,
sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc,
time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc,
urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc,
xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc,
__fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc,
convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc,
ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc,
ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc,
ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc,
ov-fcn.cc, ov-float.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-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc,
ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc,
ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h,
op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc,
op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc,
op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc,
op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc,
op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc,
op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc,
op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc,
op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc,
op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc,
op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc,
op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc,
op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc,
op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc,
op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc,
lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc,
pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc,
pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc,
pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc,
pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc,
version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc,
Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc,
Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc,
CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc,
CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc,
MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc,
MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc,
Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc,
chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc,
dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc,
dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc,
fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc,
int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc,
uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc,
f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc,
chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc,
lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc,
randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk,
mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc,
kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc,
oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h,
oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc,
statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc,
acinclude.m4, display-available.c, display-available.h, main-cli.cc,
main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc,
octave-config.in.cc, shared-fcns.h:
Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 17 May 2016 12:09:30 -0400 |
parents | c53bfd6d8e08 |
children | 815b2f500fab |
rev | line source |
---|---|
1765 | 1 /* |
2 | |
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3 Copyright (C) 1996-2015 John W. Eaton |
1765 | 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. | |
1765 | 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/>. | |
1765 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
1765 | 25 #endif |
26 | |
27 #include <cerrno> | |
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28 #include <cstdio> |
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29 #include <cstdlib> |
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30 #include <cstring> |
1765 | 31 |
3503 | 32 #include <iostream> |
4726 | 33 #include <vector> |
3040 | 34 |
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35 #include <sys/stat.h> |
1765 | 36 #include <sys/types.h> |
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37 #include <unistd.h> |
2926 | 38 |
10279 | 39 #include "pathmax.h" |
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40 #include "canonicalize.h" |
1765 | 41 |
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42 extern "C" { |
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43 #include <tempname.h> |
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44 } |
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45 |
5476 | 46 #include "dir-ops.h" |
1765 | 47 #include "file-ops.h" |
5476 | 48 #include "file-stat.h" |
2926 | 49 #include "oct-env.h" |
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50 #include "oct-locbuf.h" |
2934 | 51 #include "oct-passwd.h" |
3710 | 52 #include "pathlen.h" |
5476 | 53 #include "quit.h" |
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54 #include "singleton-cleanup.h" |
2926 | 55 #include "str-vec.h" |
1765 | 56 |
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57 #if (defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) && ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM)) |
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58 # include <algorithm> |
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59 #endif |
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60 |
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61 file_ops *file_ops::instance = 0; |
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62 |
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63 bool |
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64 file_ops::instance_ok (void) |
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65 { |
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66 bool retval = true; |
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67 |
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68 if (! instance) |
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69 { |
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70 #if (defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) && ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM)) |
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71 char system_dir_sep_char = '\\'; |
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72 std::string system_dir_sep_str = "\\"; |
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73 #else |
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74 char system_dir_sep_char = '/'; |
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75 std::string system_dir_sep_str = "/"; |
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76 #endif |
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77 #if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) |
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78 std::string system_dir_sep_chars = "/\\"; |
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79 #else |
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80 std::string system_dir_sep_chars = system_dir_sep_str; |
5138 | 81 #endif |
82 | |
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83 instance = new file_ops (system_dir_sep_char, system_dir_sep_str, |
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84 system_dir_sep_chars); |
6271 | 85 |
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86 if (instance) |
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87 singleton_cleanup_list::add (cleanup_instance); |
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88 } |
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90 if (! instance) |
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91 (*current_liboctave_error_handler) |
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92 ("unable to create file_ops object!"); |
1802 | 93 |
94 return retval; | |
95 } | |
96 | |
3040 | 97 // The following tilde-expansion code was stolen and adapted from |
98 // readline. | |
2926 | 99 |
3040 | 100 // The default value of tilde_additional_prefixes. This is set to |
101 // whitespace preceding a tilde so that simple programs which do not | |
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102 // perform any word separation get desired behavior. |
3040 | 103 static const char *default_prefixes[] = { " ~", "\t~", ":~", 0 }; |
104 | |
105 // The default value of tilde_additional_suffixes. This is set to | |
106 // whitespace or newline so that simple programs which do not perform | |
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107 // any word separation get desired behavior. |
3040 | 108 static const char *default_suffixes[] = { " ", "\n", ":", 0 }; |
109 | |
110 // If non-null, this contains the address of a function that the | |
111 // application wants called before trying the standard tilde | |
112 // expansions. The function is called with the text sans tilde, and | |
113 // returns a malloc()'ed string which is the expansion, or a NULL | |
114 // pointer if the expansion fails. | |
115 file_ops::tilde_expansion_hook file_ops::tilde_expansion_preexpansion_hook = 0; | |
116 | |
117 // If non-null, this contains the address of a function to call if the | |
118 // standard meaning for expanding a tilde fails. The function is | |
119 // called with the text (sans tilde, as in "foo"), and returns a | |
120 // malloc()'ed string which is the expansion, or a NULL pointer if | |
121 // there is no expansion. | |
122 file_ops::tilde_expansion_hook file_ops::tilde_expansion_failure_hook = 0; | |
123 | |
124 // When non-null, this is a NULL terminated array of strings which are | |
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125 // duplicates for a tilde prefix. Bash uses this to expand '=~' and |
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126 // ':~'. |
3040 | 127 string_vector file_ops::tilde_additional_prefixes = default_prefixes; |
128 | |
129 // When non-null, this is a NULL terminated array of strings which | |
130 // match the end of a username, instead of just "/". Bash sets this | |
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131 // to ':' and '=~'. |
3040 | 132 string_vector file_ops::tilde_additional_suffixes = default_suffixes; |
133 | |
134 // Find the start of a tilde expansion in S, and return the index | |
135 // of the tilde which starts the expansion. Place the length of the | |
136 // text which identified this tilde starter in LEN, excluding the | |
137 // tilde itself. | |
138 | |
139 static size_t | |
3504 | 140 tilde_find_prefix (const std::string& s, size_t& len) |
3040 | 141 { |
142 len = 0; | |
143 | |
144 size_t s_len = s.length (); | |
145 | |
146 if (s_len == 0 || s[0] == '~') | |
147 return 0; | |
148 | |
149 string_vector prefixes = file_ops::tilde_additional_prefixes; | |
150 | |
151 if (! prefixes.empty ()) | |
152 { | |
153 for (size_t i = 0; i < s_len; i++) | |
10180 | 154 { |
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155 for (int j = 0; j < prefixes.numel (); j++) |
10180 | 156 { |
157 size_t pfx_len = prefixes[j].length (); | |
3040 | 158 |
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159 if (prefixes[j] == s.substr (i, pfx_len)) |
10180 | 160 { |
161 len = pfx_len - 1; | |
162 return i + len; | |
163 } | |
164 } | |
165 } | |
3040 | 166 } |
167 | |
168 return s_len; | |
169 } | |
170 | |
171 // Find the end of a tilde expansion in S, and return the index | |
172 // of the character which ends the tilde definition. | |
173 | |
174 static size_t | |
3504 | 175 tilde_find_suffix (const std::string& s) |
3040 | 176 { |
177 size_t s_len = s.length (); | |
178 | |
179 string_vector suffixes = file_ops::tilde_additional_suffixes; | |
180 | |
181 size_t i = 0; | |
182 | |
183 for ( ; i < s_len; i++) | |
184 { | |
6694 | 185 if (file_ops::is_dir_sep (s[i])) |
10180 | 186 break; |
3040 | 187 |
188 if (! suffixes.empty ()) | |
10180 | 189 { |
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190 for (int j = 0; j < suffixes.numel (); j++) |
10180 | 191 { |
192 size_t sfx_len = suffixes[j].length (); | |
3040 | 193 |
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194 if (suffixes[j] == s.substr (i, sfx_len)) |
10180 | 195 return i; |
196 } | |
197 } | |
3040 | 198 } |
199 | |
200 return i; | |
201 } | |
202 | |
203 // Take FNAME and return the tilde prefix we want expanded. | |
204 | |
3504 | 205 static std::string |
206 isolate_tilde_prefix (const std::string& fname) | |
3040 | 207 { |
208 size_t f_len = fname.length (); | |
209 | |
210 size_t len = 1; | |
211 | |
6694 | 212 while (len < f_len && ! file_ops::is_dir_sep (fname[len])) |
3040 | 213 len++; |
214 | |
215 return fname.substr (1, len); | |
216 } | |
217 | |
218 // Do the work of tilde expansion on FILENAME. FILENAME starts with a | |
219 // tilde. | |
220 | |
3504 | 221 static std::string |
222 tilde_expand_word (const std::string& filename) | |
3040 | 223 { |
224 size_t f_len = filename.length (); | |
225 | |
226 if (f_len == 0 || filename[0] != '~') | |
227 return filename; | |
228 | |
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229 // A leading '~/' or a bare '~' is *always* translated to the value |
3040 | 230 // of $HOME or the home directory of the current user, regardless of |
231 // any preexpansion hook. | |
232 | |
6694 | 233 if (f_len == 1 || file_ops::is_dir_sep (filename[1])) |
3040 | 234 return octave_env::get_home_directory () + filename.substr (1); |
235 | |
3504 | 236 std::string username = isolate_tilde_prefix (filename); |
3040 | 237 |
238 size_t user_len = username.length (); | |
239 | |
3504 | 240 std::string dirname; |
3040 | 241 |
242 if (file_ops::tilde_expansion_preexpansion_hook) | |
243 { | |
3504 | 244 std::string expansion |
10180 | 245 = file_ops::tilde_expansion_preexpansion_hook (username); |
3040 | 246 |
247 if (! expansion.empty ()) | |
10180 | 248 return expansion + filename.substr (user_len+1); |
3040 | 249 } |
250 | |
251 // No preexpansion hook, or the preexpansion hook failed. Look in the | |
252 // password database. | |
253 | |
254 octave_passwd pw = octave_passwd::getpwnam (username); | |
255 | |
256 if (! pw) | |
257 { | |
258 // If the calling program has a special syntax for expanding tildes, | |
259 // and we couldn't find a standard expansion, then let them try. | |
260 | |
261 if (file_ops::tilde_expansion_failure_hook) | |
10180 | 262 { |
263 std::string expansion | |
264 = file_ops::tilde_expansion_failure_hook (username); | |
3040 | 265 |
10180 | 266 if (! expansion.empty ()) |
267 dirname = expansion + filename.substr (user_len+1); | |
268 } | |
3040 | 269 |
270 // If we don't have a failure hook, or if the failure hook did not | |
271 // expand the tilde, return a copy of what we were passed. | |
272 | |
273 if (dirname.length () == 0) | |
10180 | 274 dirname = filename; |
3040 | 275 } |
276 else | |
3074 | 277 dirname = pw.dir () + filename.substr (user_len+1); |
3040 | 278 |
279 return dirname; | |
280 } | |
281 | |
282 // If NAME has a leading ~ or ~user, Unix-style, expand it to the | |
283 // user's home directory. If no ~, or no <pwd.h>, just return NAME. | |
284 | |
3504 | 285 std::string |
286 file_ops::tilde_expand (const std::string& name) | |
2926 | 287 { |
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288 if (name.find ('~') == std::string::npos) |
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289 return name; |
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290 else |
3040 | 291 { |
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292 std::string result; |
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293 |
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294 size_t name_len = name.length (); |
2926 | 295 |
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296 // Scan through S expanding tildes as we come to them. |
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297 |
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298 size_t pos = 0; |
3040 | 299 |
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300 while (1) |
10180 | 301 { |
302 if (pos > name_len) | |
303 break; | |
3040 | 304 |
10180 | 305 size_t len; |
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306 |
10180 | 307 // Make START point to the tilde which starts the expansion. |
2926 | 308 |
10180 | 309 size_t start = tilde_find_prefix (name.substr (pos), len); |
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310 |
10180 | 311 result.append (name.substr (pos, start)); |
3040 | 312 |
10180 | 313 // Advance STRING to the starting tilde. |
2926 | 314 |
10180 | 315 pos += start; |
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316 |
10180 | 317 // Make FINI be the index of one after the last character of the |
318 // username. | |
2926 | 319 |
10180 | 320 size_t fini = tilde_find_suffix (name.substr (pos)); |
2926 | 321 |
10180 | 322 // If both START and FINI are zero, we are all done. |
2926 | 323 |
10180 | 324 if (! (start || fini)) |
325 break; | |
2926 | 326 |
10180 | 327 // Expand the entire tilde word, and copy it into RESULT. |
2947 | 328 |
10180 | 329 std::string tilde_word = name.substr (pos, fini); |
3040 | 330 |
10180 | 331 pos += fini; |
2926 | 332 |
10180 | 333 std::string expansion = tilde_expand_word (tilde_word); |
3040 | 334 |
10180 | 335 result.append (expansion); |
336 } | |
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337 |
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338 return result; |
2926 | 339 } |
340 } | |
341 | |
342 // A vector version of the above. | |
343 | |
344 string_vector | |
345 file_ops::tilde_expand (const string_vector& names) | |
346 { | |
347 string_vector retval; | |
348 | |
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349 int n = names.numel (); |
2926 | 350 |
351 retval.resize (n); | |
352 | |
353 for (int i = 0; i < n; i++) | |
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354 retval[i] = tilde_expand (names[i]); |
2926 | 355 |
356 return retval; | |
357 } | |
1802 | 358 |
7272 | 359 std::string |
360 file_ops::concat (const std::string& dir, const std::string& file) | |
361 { | |
362 return dir.empty () | |
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363 ? file |
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364 : (is_dir_sep (dir[dir.length ()-1]) |
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365 ? dir + file |
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366 : dir + dir_sep_char () + file); |
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367 } |
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368 |
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369 std::string |
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370 file_ops::native_separator_path (const std::string& path) |
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371 { |
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372 std::string retval; |
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373 |
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374 if (dir_sep_char () == '/') |
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375 retval = path; |
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376 else |
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377 { |
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378 size_t n = path.length (); |
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379 for (size_t i = 0; i < n; i++) |
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380 { |
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381 if (path[i] == '/') |
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382 retval += dir_sep_char(); |
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383 else |
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384 retval += path[i]; |
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385 } |
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386 } |
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387 |
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388 return retval; |
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389 } |
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390 |
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391 int |
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392 octave_mkdir (const std::string& nm, mode_t md) |
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393 { |
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394 std::string msg; |
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395 return octave_mkdir (nm, md, msg); |
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396 } |
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397 |
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398 int |
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399 octave_mkdir (const std::string& name, mode_t mode, std::string& msg) |
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400 { |
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401 msg = ""; |
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402 |
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403 int status = -1; |
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404 |
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405 status = gnulib::mkdir (name.c_str (), mode); |
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406 |
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407 if (status < 0) |
10411 | 408 msg = gnulib::strerror (errno); |
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409 |
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410 return status; |
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411 } |
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412 |
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413 int |
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414 octave_mkfifo (const std::string& nm, mode_t md) |
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415 { |
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416 std::string msg; |
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417 return octave_mkfifo (nm, md, msg); |
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418 } |
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419 |
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420 int |
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421 octave_mkfifo (const std::string& name, mode_t mode, std::string& msg) |
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422 { |
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423 msg = ""; |
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424 |
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425 int status = -1; |
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426 |
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427 // With gnulib we will always have mkfifo, but some systems like MinGW |
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428 // don't have working mkfifo functions. On those systems, mkfifo will |
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429 // always return -1 and set errno. |
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430 |
10411 | 431 status = gnulib::mkfifo (name.c_str (), mode); |
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432 |
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433 if (status < 0) |
10411 | 434 msg = gnulib::strerror (errno); |
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435 |
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436 return status; |
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437 } |
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438 |
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439 int |
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440 octave_link (const std::string& old_name, const std::string& new_name) |
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441 { |
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442 std::string msg; |
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443 return octave_link (old_name, new_name, msg); |
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444 } |
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445 |
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446 int |
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447 octave_link (const std::string& old_name, |
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448 const std::string& new_name, std::string& msg) |
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449 { |
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450 msg = ""; |
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451 |
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452 int status = -1; |
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453 |
10411 | 454 status = gnulib::link (old_name.c_str (), new_name.c_str ()); |
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455 |
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456 if (status < 0) |
10411 | 457 msg = gnulib::strerror (errno); |
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458 |
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459 return status; |
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460 } |
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461 |
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462 int |
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463 octave_symlink (const std::string& old_name, const std::string& new_name) |
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464 { |
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465 std::string msg; |
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466 return octave_symlink (old_name, new_name, msg); |
7272 | 467 } |
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468 |
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469 int |
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470 octave_symlink (const std::string& old_name, |
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471 const std::string& new_name, std::string& msg) |
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472 { |
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473 msg = ""; |
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474 |
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475 int status = -1; |
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476 |
10411 | 477 status = gnulib::symlink (old_name.c_str (), new_name.c_str ()); |
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478 |
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479 if (status < 0) |
10411 | 480 msg = gnulib::strerror (errno); |
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481 |
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482 return status; |
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483 } |
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484 |
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485 int |
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486 octave_readlink (const std::string& path, std::string& result) |
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487 { |
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488 std::string msg; |
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489 return octave_readlink (path, result, msg); |
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490 } |
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491 |
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492 int |
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493 octave_readlink (const std::string& path, std::string& result, |
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494 std::string& msg) |
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495 { |
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496 int status = -1; |
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497 |
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498 msg = ""; |
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499 |
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500 char buf[MAXPATHLEN+1]; |
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501 |
10411 | 502 status = gnulib::readlink (path.c_str (), buf, MAXPATHLEN); |
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503 |
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504 if (status < 0) |
10411 | 505 msg = gnulib::strerror (errno); |
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506 else |
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507 { |
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508 buf[status] = '\0'; |
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509 result = std::string (buf); |
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510 status = 0; |
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511 } |
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512 |
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513 return status; |
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514 } |
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515 |
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516 int |
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517 octave_rename (const std::string& from, const std::string& to) |
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518 { |
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519 std::string msg; |
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520 return octave_rename (from, to, msg); |
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521 } |
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522 |
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523 int |
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524 octave_rename (const std::string& from, const std::string& to, |
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525 std::string& msg) |
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526 { |
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527 int status = -1; |
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528 |
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529 msg = ""; |
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530 |
10411 | 531 status = gnulib::rename (from.c_str (), to.c_str ()); |
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532 |
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533 if (status < 0) |
10411 | 534 msg = gnulib::strerror (errno); |
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535 |
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536 return status; |
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537 } |
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538 |
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539 int |
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540 octave_rmdir (const std::string& name) |
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541 { |
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542 std::string msg; |
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543 return octave_rmdir (name, msg); |
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544 } |
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545 |
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546 int |
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547 octave_rmdir (const std::string& name, std::string& msg) |
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548 { |
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549 msg = ""; |
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550 |
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551 int status = -1; |
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552 |
10411 | 553 status = gnulib::rmdir (name.c_str ()); |
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554 |
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555 if (status < 0) |
10411 | 556 msg = gnulib::strerror (errno); |
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557 |
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558 return status; |
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559 } |
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560 |
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561 // And a version that works recursively. |
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562 |
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563 int |
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564 octave_recursive_rmdir (const std::string& name) |
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565 { |
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566 std::string msg; |
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567 return octave_recursive_rmdir (name, msg); |
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568 } |
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569 |
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570 int |
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571 octave_recursive_rmdir (const std::string& name, std::string& msg) |
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572 { |
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573 msg = ""; |
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574 |
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575 int status = 0; |
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576 |
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577 dir_entry dir (name); |
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578 |
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579 if (dir) |
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580 { |
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581 string_vector dirlist = dir.read (); |
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582 |
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583 for (octave_idx_type i = 0; i < dirlist.numel (); i++) |
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584 { |
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585 octave_quit (); |
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586 |
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587 std::string nm = dirlist[i]; |
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588 |
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589 // Skip current directory and parent. |
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590 if (nm == "." || nm == "..") |
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591 continue; |
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592 |
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593 std::string fullnm = name + file_ops::dir_sep_str () + nm; |
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594 |
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595 // Get info about the file. Don't follow links. |
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596 file_stat fs (fullnm, false); |
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597 |
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598 if (fs) |
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599 { |
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600 if (fs.is_dir ()) |
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601 { |
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602 status = octave_recursive_rmdir (fullnm, msg); |
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603 |
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|
604 if (status < 0) |
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605 break; |
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606 } |
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607 else |
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608 { |
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609 status = octave_unlink (fullnm, msg); |
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610 |
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611 if (status < 0) |
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612 break; |
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613 } |
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614 } |
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615 else |
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616 { |
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617 msg = fs.error (); |
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618 break; |
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619 } |
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620 } |
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621 |
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622 if (status >= 0) |
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623 { |
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624 dir.close (); |
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625 status = octave_rmdir (name, msg); |
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626 } |
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627 } |
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628 else |
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629 { |
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630 status = -1; |
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631 |
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632 msg = dir.error (); |
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633 } |
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634 |
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635 return status; |
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636 } |
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637 |
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638 int |
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639 octave_umask (mode_t mode) |
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640 { |
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641 #if defined (HAVE_UMASK) |
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642 return umask (mode); |
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643 #else |
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644 return 0; |
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645 #endif |
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646 } |
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647 |
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648 int |
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649 octave_unlink (const std::string& name) |
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650 { |
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651 std::string msg; |
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652 return octave_unlink (name, msg); |
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653 } |
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654 |
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655 int |
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656 octave_unlink (const std::string& name, std::string& msg) |
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657 { |
21017
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658 msg = ""; |
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659 |
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660 int status = -1; |
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661 |
10411 | 662 status = gnulib::unlink (name.c_str ()); |
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663 |
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664 if (status < 0) |
10411 | 665 msg = gnulib::strerror (errno); |
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666 |
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667 return status; |
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668 } |
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669 |
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670 std::string |
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671 octave_tempnam (const std::string& dir, const std::string& pfx) |
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672 { |
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673 std::string msg; |
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674 return octave_tempnam (dir, pfx, msg); |
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675 } |
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676 |
10198
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677 std::string |
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678 octave_tempnam (const std::string& dir, const std::string& pfx, |
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679 std::string& msg) |
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680 { |
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681 msg = ""; |
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682 |
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683 std::string retval; |
11586
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|
684 |
19458
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Use gnulib gen_tempname to create temporary names (Bug #43872).
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|
685 // get dir path to use for template |
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686 std::string templatename; |
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687 if (dir.empty ()) |
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688 templatename = octave_env::get_temp_directory (); |
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689 else if (! file_stat (dir, false).is_dir ()) |
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690 templatename = octave_env::get_temp_directory (); |
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691 else |
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692 templatename = dir; |
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693 |
19458
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694 // add dir sep char if it is not there |
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695 if (*templatename.rbegin () != file_ops::dir_sep_char ()) |
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696 templatename += file_ops::dir_sep_char (); |
19420
82f2a3437e02
Fix tempname so it prioritizes user input dir rather than TMPDIR (bug #43844).
Rik <rik@octave.org>
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|
697 |
19458
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|
698 if (pfx.empty ()) |
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699 templatename += "file"; |
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700 else |
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|
701 templatename += pfx; |
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|
702 |
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|
703 // add the required XXXXXX for the template |
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Use gnulib gen_tempname to create temporary names (Bug #43872).
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|
704 templatename += "XXXXXX"; |
19428
eee9f111c164
Check if tempfile name exists when changing path of temporary file name (Bug #43872)
John Donoghue
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diff
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|
705 |
19458
d8fd3842a507
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|
706 // create and copy template to char array for call to gen_tempname |
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Use gnulib gen_tempname to create temporary names (Bug #43872).
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|
707 char tname [templatename.length () + 1]; |
19428
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|
708 |
19458
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diff
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|
709 strcpy (tname, templatename.c_str ()); |
19428
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John Donoghue
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diff
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|
710 |
19458
d8fd3842a507
Use gnulib gen_tempname to create temporary names (Bug #43872).
John Donoghue <john.donoghue@ieee.org>
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diff
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|
711 if (gen_tempname (tname, 0, 0, GT_NOCREATE) == -1) |
d8fd3842a507
Use gnulib gen_tempname to create temporary names (Bug #43872).
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diff
changeset
|
712 msg = gnulib::strerror (errno); |
10197
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|
713 else |
19458
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Use gnulib gen_tempname to create temporary names (Bug #43872).
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|
714 retval = tname; |
19597
db92e7e28e1f
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19458
diff
changeset
|
715 |
10197
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|
716 return retval; |
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|
717 } |
10252
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liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
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|
718 |
2fcc927a8757
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John W. Eaton <jwe@octave.org>
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|
719 std::string |
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John W. Eaton <jwe@octave.org>
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|
720 octave_canonicalize_file_name (const std::string& name) |
2fcc927a8757
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|
721 { |
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diff
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|
722 std::string msg; |
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|
723 return octave_canonicalize_file_name (name, msg); |
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|
724 } |
2fcc927a8757
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
725 |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
726 std::string |
2fcc927a8757
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John W. Eaton <jwe@octave.org>
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changeset
|
727 octave_canonicalize_file_name (const std::string& name, std::string& msg) |
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liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
728 { |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
20525
diff
changeset
|
729 msg = ""; |
10252
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
730 |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
731 std::string retval; |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
732 |
10411 | 733 char *tmp = gnulib::canonicalize_file_name (name.c_str ()); |
10252
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
734 |
2fcc927a8757
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
735 if (tmp) |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
736 { |
2fcc927a8757
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diff
changeset
|
737 retval = tmp; |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
738 free (tmp); |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
739 } |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
740 |
20503
0829b6ff3ac9
Use backslash as windows file separator for canonicalize_file_name (Bug #45816).
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
741 #if (defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) && ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM)) |
0829b6ff3ac9
Use backslash as windows file separator for canonicalize_file_name (Bug #45816).
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
742 // Canonical Windows file separator is backslash. |
0829b6ff3ac9
Use backslash as windows file separator for canonicalize_file_name (Bug #45816).
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
743 std::replace (retval.begin (), retval.end (), '/', '\\'); |
0829b6ff3ac9
Use backslash as windows file separator for canonicalize_file_name (Bug #45816).
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
744 #endif |
0829b6ff3ac9
Use backslash as windows file separator for canonicalize_file_name (Bug #45816).
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
745 |
10252
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
746 if (retval.empty ()) |
10411 | 747 msg = gnulib::strerror (errno); |
10252
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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10250
diff
changeset
|
748 |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
749 return retval; |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
parents:
10250
diff
changeset
|
750 } |
2fcc927a8757
liboctave/file-ops.h: avoid gnulib #define for canonicalize_file_name
John W. Eaton <jwe@octave.org>
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diff
changeset
|
751 |