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annotate src/main-cli.cc @ 30192:8c8031be8072

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Windows: Don't get pointers to C strings while vector is still unstable. * src/main-cli.cc, src/main-gui.cc, src/main.in.cc, src/octave-config.in.cc, src/octave-svgconvert.cc: The memory used by a vector is not guaranteed to be stable when elements are added with push_back. Wait until vector is complete before getting the pointers to the corresponding C strings.
author Markus Mützel <markus.muetzel@gmx.de>
date Thu, 16 Sep 2021 21:51:03 +0200
parents 96eb9a6f868b
children 796f54d4ddbf
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27923
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2012-2021 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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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <cstdlib>
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31
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32 #include <iostream>
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33 #include <string>
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34
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35 #if defined (OCTAVE_USE_WINDOWS_API) && defined (_UNICODE)
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36 # include <vector>
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37 # include <locale>
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38 # include <codecvt>
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39 #endif
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40
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41 #include "liboctave-build-info.h"
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42
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43 #include "liboctinterp-build-info.h"
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44
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45 #include "oct-env.h"
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46 #include "signal-wrappers.h"
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47
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48 #include "octave.h"
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49 #include "octave-build-info.h"
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50 #include "sysdep.h"
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51
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52 static void
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53 check_hg_versions (void)
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54 {
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55 bool ok = true;
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56
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57 // Each library and executable has its own definition of the hg
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58 // id. They should always match but may be different because of a
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59 // botched installation or incorrect LD_LIBRARY_PATH or some other
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60 // unusual problem.
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61
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62 std::string octave_id = octave_hg_id ();
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63 std::string liboctave_id = liboctave_hg_id ();
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64 std::string liboctinterp_id = liboctinterp_hg_id ();
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65
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66 if (octave_id != liboctave_id)
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67 {
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68 std::cerr << "octave hg id ("
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69 << octave_id
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70 << ") does not match liboctave hg id ("
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71 << liboctave_id
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72 << ')' << std::endl;
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73 ok = false;
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74 }
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75
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76 if (octave_id != liboctinterp_id)
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77 {
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78 std::cerr << "octave hg id ("
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79 << octave_id
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80 << ") does not match liboctinterp hg id ("
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81 << liboctinterp_id
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82 << ')' << std::endl;
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83 ok = false;
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84 }
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85
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86 if (! ok)
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87 exit (1);
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88 }
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89
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90 #if defined (OCTAVE_USE_WINDOWS_API) && defined (_UNICODE)
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91 extern "C"
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92 int
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93 wmain (int argc, wchar_t **wargv)
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94 {
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95 static char **argv = new char * [argc + 1];
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96 std::vector<std::string> argv_str;
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97
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98 // convert wide character strings to multibyte UTF-8 strings
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99 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> wchar_conv;
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100 for (int i_arg = 0; i_arg < argc; i_arg++)
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101 argv_str.push_back (wchar_conv.to_bytes (wargv[i_arg]));
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102
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103 // Get pointers to C strings not before vector is stable.
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104 for (int i_arg = 0; i_arg < argc; i_arg++)
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105 argv[i_arg] = &argv_str[i_arg][0];
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106 argv[argc] = nullptr;
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107
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108 #else
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109 int
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110 main (int argc, char **argv)
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111 {
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112 #endif
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113 check_hg_versions ();
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114
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115 octave_block_async_signals ();
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116
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117 octave::sys::env::set_program_name (argv[0]);
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118
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119 octave::cli_application app (argc, argv);
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120
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121 return app.execute ();
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122 }