Mercurial > octave
annotate liboctave/system/lo-sysdep.cc @ 28534:548598760b66
get_ASCII_filename: On Windows, optionally try to convert to the locale charset.
* lo-sysdep.h, lo-sysdep.cc (get_ASCII_filename): Optionally, try to convert
the file path to the locale charset.
* uniconv-wrappers.h, uniconv-wrappers.cc (octave_u8_conv_to_encoding_strict):
Add new function.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Sat, 04 Jul 2020 12:14:21 +0200 |
parents | a40e3c3e17fa |
children | a98fd0657e35 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2020 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 (HAVE_CONFIG_H) |
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27 # include "config.h" |
2926 | 28 #endif |
29 | |
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30 #include "dir-ops.h" |
5872 | 31 #include "file-ops.h" |
3069 | 32 #include "lo-error.h" |
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33 #include "lo-sysdep.h" |
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34 #include "localcharset-wrapper.h" |
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35 #include "putenv-wrapper.h" |
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36 #include "uniconv-wrappers.h" |
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37 #include "unistd-wrappers.h" |
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38 #include "unsetenv-wrapper.h" |
2926 | 39 |
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40 #if defined (OCTAVE_USE_WINDOWS_API) |
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41 # include <windows.h> |
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42 # include <wchar.h> |
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43 |
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44 # include "filepos-wrappers.h" |
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45 # include "lo-hash.h" |
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46 # include "oct-locbuf.h" |
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47 # include "unwind-prot.h" |
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48 #endif |
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49 |
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50 namespace octave |
2926 | 51 { |
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52 namespace sys |
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53 { |
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54 std::string |
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55 getcwd (void) |
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56 { |
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57 std::string retval; |
3069 | 58 |
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59 #if defined (OCTAVE_USE_WINDOWS_API) |
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60 wchar_t *tmp = _wgetcwd (nullptr, 0); |
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61 |
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62 if (! tmp) |
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63 (*current_liboctave_error_handler) ("unable to find current directory"); |
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64 |
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65 std::wstring tmp_wstr (tmp); |
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66 free (tmp); |
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67 |
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68 std::string tmp_str = u8_from_wstring (tmp_wstr); |
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69 |
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70 retval = tmp_str; |
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71 |
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72 #else |
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73 // Using octave_getcwd_wrapper ensures that we have a getcwd that |
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74 // will allocate a buffer as large as necessary if buf and size are |
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75 // both 0. |
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77 char *tmp = octave_getcwd_wrapper (nullptr, 0); |
2926 | 78 |
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79 if (! tmp) |
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80 (*current_liboctave_error_handler) ("unable to find current directory"); |
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81 |
10250 | 82 retval = tmp; |
83 free (tmp); | |
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84 #endif |
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85 |
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86 return retval; |
10250 | 87 } |
2926 | 88 |
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89 int |
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90 chdir (const std::string& path_arg) |
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91 { |
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92 std::string path = sys::file_ops::tilde_expand (path_arg); |
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94 #if defined (OCTAVE_USE_WINDOWS_API) |
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95 if (path.length () == 2 && path[1] == ':') |
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96 path += '\\'; |
6244 | 97 #endif |
98 | |
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99 return octave_chdir_wrapper (path.c_str ()); |
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100 } |
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101 |
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102 bool |
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103 get_dirlist (const std::string& dirname, string_vector& dirlist, |
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104 std::string& msg) |
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105 { |
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106 dirlist = ""; |
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107 msg = ""; |
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108 #if defined (OCTAVE_USE_WINDOWS_API) |
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109 _WIN32_FIND_DATAW ffd; |
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110 |
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111 std::string path_name (dirname); |
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112 if (path_name.empty ()) |
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113 return true; |
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114 |
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115 if (path_name.back () == '\\' || path_name.back () == '/') |
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116 path_name.push_back ('*'); |
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117 else |
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118 path_name.append (R"(\*)"); |
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119 |
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120 // Find first file in directory. |
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121 std::wstring wpath_name = u8_to_wstring (path_name); |
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122 HANDLE hFind = FindFirstFileW (wpath_name.c_str (), &ffd); |
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123 if (INVALID_HANDLE_VALUE == hFind) |
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124 { |
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125 DWORD errCode = GetLastError (); |
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126 char *errorText = nullptr; |
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127 FormatMessageA (FORMAT_MESSAGE_FROM_SYSTEM | |
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128 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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129 FORMAT_MESSAGE_IGNORE_INSERTS, |
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130 nullptr, errCode, |
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131 MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), |
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132 reinterpret_cast <char *> (&errorText), 0, nullptr); |
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133 if (errorText != nullptr) |
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134 { |
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135 msg = std::string (errorText); |
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136 LocalFree (errorText); |
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137 } |
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138 return false; |
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139 } |
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140 |
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141 std::list<std::string> dirlist_str; |
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142 do |
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143 dirlist_str.push_back (u8_from_wstring (ffd.cFileName)); |
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144 while (FindNextFileW (hFind, &ffd) != 0); |
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145 |
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146 FindClose(hFind); |
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147 |
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148 dirlist = string_vector (dirlist_str); |
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149 |
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150 #else |
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151 |
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152 dir_entry dir (dirname); |
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153 |
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154 if (! dir) |
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155 { |
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156 msg = dir.error (); |
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157 return false; |
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158 } |
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159 |
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160 dirlist = dir.read (); |
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161 |
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162 dir.close (); |
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163 #endif |
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164 |
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165 return true; |
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166 } |
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167 |
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168 #if defined (OCTAVE_USE_WINDOWS_API) |
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169 |
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170 static bool check_fseek_ftell_workaround_needed (bool set_nonbuffered_mode) |
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171 { |
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172 // To check whether the workaround is needed: |
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173 // |
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174 // * Create a tmp file with LF line endings only. |
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175 // |
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176 // * Open that file for reading in text mode. |
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177 // |
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178 // * Read a line. |
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179 // |
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180 // * Use ftello to record the position of the beginning of the |
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181 // second line. |
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182 // |
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183 // * Read and save the contents of the second line. |
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184 // |
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185 // * Use fseeko to return to the saved position. |
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186 // |
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187 // * Read the second line again and compare to the previously |
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188 // saved text. |
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189 // |
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190 // * If the lines are different, we need to set non-buffered |
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191 // input mode for files opened in text mode. |
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192 |
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193 std::string tmpname = sys::tempnam ("", "oct-"); |
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194 |
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195 if (tmpname.empty ()) |
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196 { |
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197 (*current_liboctave_warning_handler) |
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198 ("fseek/ftell bug check failed (tmp name creation)!"); |
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199 return false; |
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200 } |
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201 |
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202 std::FILE *fptr = std::fopen (tmpname.c_str (), "wb"); |
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203 |
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204 if (! fptr) |
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205 { |
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206 (*current_liboctave_warning_handler) |
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207 ("fseek/ftell bug check failed (opening tmp file for writing)!"); |
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208 return false; |
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209 } |
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210 |
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211 fprintf (fptr, "%s", "foo\nbar\nbaz\n"); |
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212 |
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213 std::fclose (fptr); |
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214 |
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215 fptr = std::fopen (tmpname.c_str (), "rt"); |
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216 |
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217 if (! fptr) |
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218 { |
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219 (*current_liboctave_warning_handler) |
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220 ("fseek/ftell bug check failed (opening tmp file for reading)!"); |
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221 return false; |
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222 } |
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223 |
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224 unwind_action act ([fptr, tmpname] () { |
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225 std::fclose (fptr); |
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226 sys::unlink (tmpname); |
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227 }); |
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228 |
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229 if (set_nonbuffered_mode) |
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230 ::setvbuf (fptr, nullptr, _IONBF, 0); |
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231 |
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232 while (true) |
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233 { |
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234 int c = fgetc (fptr); |
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235 |
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236 if (c == EOF) |
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237 { |
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238 (*current_liboctave_warning_handler) |
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239 ("fseek/ftell bug check failed (skipping first line)!"); |
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240 return false; |
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241 } |
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242 |
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243 if (c == '\n') |
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244 break; |
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245 } |
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246 |
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247 off_t pos = octave_ftello_wrapper (fptr); |
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248 |
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249 char buf1[8]; |
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250 int i = 0; |
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251 while (true) |
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252 { |
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253 int c = fgetc (fptr); |
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254 |
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255 if (c == EOF) |
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256 { |
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257 (*current_liboctave_warning_handler) |
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258 ("fseek/ftell bug check failed (reading second line)!"); |
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259 return false; |
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260 } |
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261 |
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262 if (c == '\n') |
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263 break; |
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264 |
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265 buf1[i++] = static_cast<char> (c); |
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266 } |
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267 buf1[i] = '\0'; |
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268 |
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269 octave_fseeko_wrapper (fptr, pos, SEEK_SET); |
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270 |
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271 char buf2[8]; |
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272 i = 0; |
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273 while (true) |
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274 { |
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275 int c = fgetc (fptr); |
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276 |
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277 if (c == EOF) |
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278 { |
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279 (*current_liboctave_warning_handler) |
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280 ("fseek/ftell bug check failed (reading after repositioning)!"); |
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281 return false; |
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282 } |
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283 |
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284 if (c == '\n') |
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285 break; |
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286 |
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287 buf2[i++] = static_cast<char> (c); |
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288 } |
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289 buf2[i] = '\0'; |
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290 |
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291 return strcmp (buf1, buf2); |
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292 } |
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293 |
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294 #endif |
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295 |
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296 std::FILE * |
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297 fopen (const std::string& filename, const std::string& mode) |
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298 { |
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299 #if defined (OCTAVE_USE_WINDOWS_API) |
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300 |
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301 std::wstring wfilename = u8_to_wstring (filename); |
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302 std::wstring wmode = u8_to_wstring (mode); |
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303 |
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304 std::FILE *fptr = _wfopen (wfilename.c_str (), wmode.c_str ()); |
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305 |
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306 static bool fseek_ftell_bug_workaround_needed = false; |
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307 static bool fseek_ftell_bug_checked = false; |
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308 |
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309 if (! fseek_ftell_bug_checked && mode.find ('t') != std::string::npos) |
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310 { |
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311 // FIXME: Is the following workaround needed for all files |
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312 // opened in text mode, or only for files opened for reading? |
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313 |
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314 // Try to avoid fseek/ftell bug on Windows systems by setting |
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315 // non-buffered input mode for files opened in text mode, but |
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316 // only if it appears that the workaround is needed. See |
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317 // Octave bug #58055. |
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318 |
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319 // To check whether the workaround is needed: |
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320 // |
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321 // * Create a tmp file with LF line endings only. |
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322 // |
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323 // * Open that file for reading in text mode. |
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324 // |
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325 // * Read a line. |
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326 // |
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327 // * Use ftello to record the position of the beginning of |
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328 // the second line. |
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329 // |
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330 // * Read and save the contents of the second line. |
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331 // |
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332 // * Use fseeko to return to the saved position. |
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333 // |
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334 // * Read the second line again and compare to the |
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335 // previously saved text. |
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336 // |
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337 // * If the lines are different, we need to set non-buffered |
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338 // input mode for files opened in text mode. |
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339 // |
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340 // * To verify that the workaround solves the problem, |
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341 // repeat the above test with non-buffered input mode. If |
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342 // that fails, warn that there may be trouble with |
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343 // ftell/fseek when reading files opened in text mode. |
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344 |
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345 if (check_fseek_ftell_workaround_needed (false)) |
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346 { |
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347 if (check_fseek_ftell_workaround_needed (true)) |
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348 (*current_liboctave_warning_handler) |
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349 ("fseek/ftell may fail for files opened in text mode"); |
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350 else |
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351 fseek_ftell_bug_workaround_needed = true; |
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352 } |
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353 |
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354 fseek_ftell_bug_checked = true; |
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355 } |
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356 |
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357 if (fseek_ftell_bug_workaround_needed |
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358 && mode.find ('t') != std::string::npos) |
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359 ::setvbuf (fptr, nullptr, _IONBF, 0); |
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360 |
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361 return fptr; |
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362 |
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363 #else |
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364 return std::fopen (filename.c_str (), mode.c_str ()); |
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365 #endif |
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366 } |
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367 |
28467
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368 std::fstream |
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369 fstream (const std::string& filename, const std::ios::openmode mode) |
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370 { |
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371 #if defined (OCTAVE_USE_WINDOWS_API) |
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372 |
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373 std::wstring wfilename = u8_to_wstring (filename); |
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374 |
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375 return std::fstream (wfilename.c_str (), mode); |
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376 |
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377 #else |
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378 return std::fstream (filename.c_str (), mode); |
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379 #endif |
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380 } |
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381 |
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382 std::ifstream |
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383 ifstream (const std::string& filename, const std::ios::openmode mode) |
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384 { |
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385 #if defined (OCTAVE_USE_WINDOWS_API) |
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386 |
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387 std::wstring wfilename = u8_to_wstring (filename); |
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388 |
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389 return std::ifstream (wfilename.c_str (), mode); |
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390 |
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391 #else |
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392 return std::ifstream (filename.c_str (), mode); |
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393 #endif |
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394 } |
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395 |
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396 std::ofstream |
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397 ofstream (const std::string& filename, const std::ios::openmode mode) |
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398 { |
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399 #if defined (OCTAVE_USE_WINDOWS_API) |
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400 |
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401 std::wstring wfilename = u8_to_wstring (filename); |
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402 |
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403 return std::ofstream (wfilename.c_str (), mode); |
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404 |
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405 #else |
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406 return std::ofstream (filename.c_str (), mode); |
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407 #endif |
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408 } |
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409 |
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410 void |
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411 putenv_wrapper (const std::string& name, const std::string& value) |
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412 { |
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413 // This function was adapted from xputenv from Karl Berry's kpathsearch |
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414 // library. |
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415 // FIXME: make this do the right thing if we don't have a SMART_PUTENV. |
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416 |
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417 int new_len = name.length () + value.length () + 2; |
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418 |
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419 // FIXME: This leaks memory, but so would a call to setenv. |
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420 // Short of extreme measures to track memory, altering the environment |
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421 // always leaks memory, but the saving grace is that the leaks are small. |
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422 |
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423 char *new_item = static_cast<char *> (std::malloc (new_len)); |
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424 |
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425 if (new_item) |
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426 sprintf (new_item, "%s=%s", name.c_str (), value.c_str ()); |
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427 |
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428 // As far as I can see there's no way to distinguish between the |
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429 // various errors; putenv doesn't have errno values. |
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430 |
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431 #if defined (OCTAVE_USE_WINDOWS_API) |
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432 wchar_t *wnew_item = u8_to_wchar (new_item); |
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433 unwind_protect frame; |
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434 frame.add_fcn (std::free, static_cast<void *> (new_item)); |
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435 if (_wputenv (wnew_item) < 0) |
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436 (*current_liboctave_error_handler) ("putenv (%s) failed", new_item); |
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437 #else |
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438 if (octave_putenv_wrapper (new_item) < 0) |
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439 (*current_liboctave_error_handler) ("putenv (%s) failed", new_item); |
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440 #endif |
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441 } |
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442 |
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443 std::string |
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444 getenv_wrapper (const std::string& name) |
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445 { |
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446 #if defined (OCTAVE_USE_WINDOWS_API) |
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447 std::wstring wname = u8_to_wstring (name); |
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448 wchar_t *env = _wgetenv (wname.c_str ()); |
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449 return env ? u8_from_wstring (env) : ""; |
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450 #else |
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451 char *env = ::getenv (name.c_str ()); |
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452 return env ? env : ""; |
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453 #endif |
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454 } |
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455 |
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456 int |
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457 unsetenv_wrapper (const std::string& name) |
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458 { |
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459 #if defined (OCTAVE_USE_WINDOWS_API) |
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460 putenv_wrapper (name, ""); |
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461 |
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462 std::wstring wname = u8_to_wstring (name); |
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463 return (SetEnvironmentVariableW (wname.c_str (), nullptr) ? 0 : -1); |
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464 #else |
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465 return octave_unsetenv_wrapper (name.c_str ()); |
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466 #endif |
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467 } |
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468 |
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469 std::wstring |
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470 u8_to_wstring (const std::string& utf8_string) |
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471 { |
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472 size_t srclen = utf8_string.length (); |
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473 const uint8_t *src = reinterpret_cast<const uint8_t *> |
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474 (utf8_string.c_str ()); |
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475 |
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476 size_t length = 0; |
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477 wchar_t *wchar = reinterpret_cast<wchar_t *> |
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478 (octave_u8_conv_to_encoding ("wchar_t", src, srclen, |
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479 &length)); |
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480 |
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481 std::wstring retval = L""; |
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482 if (wchar != nullptr) |
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483 { |
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484 retval = std::wstring (wchar, length / sizeof (wchar_t)); |
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485 free (static_cast<void *> (wchar)); |
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486 } |
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487 |
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488 return retval; |
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489 } |
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490 |
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491 std::string |
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492 u8_from_wstring (const std::wstring& wchar_string) |
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493 { |
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494 size_t srclen = wchar_string.length () * sizeof (wchar_t); |
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495 const char *src = reinterpret_cast<const char *> (wchar_string.c_str ()); |
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496 |
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497 size_t length = 0; |
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498 char *mbchar = reinterpret_cast<char *> |
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499 (octave_u8_conv_from_encoding ("wchar_t", src, srclen, |
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500 &length)); |
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501 |
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502 std::string retval = ""; |
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503 if (mbchar != nullptr) |
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504 { |
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505 retval = std::string (mbchar, length); |
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506 free (static_cast<void *> (mbchar)); |
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507 } |
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508 |
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509 return retval; |
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510 } |
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511 |
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512 // At quite a few places in the code we are passing file names as |
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513 // char arrays to external library functions. |
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514 |
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515 // When these functions try to locate the corresponding file on the |
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516 // disc, they need to use the wide character API on Windows to |
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517 // correctly open files with non-ASCII characters. |
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518 |
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519 // But they have no way of knowing which encoding we are using for |
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520 // the passed string. So they have no way of reliably converting to |
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521 // a wchar_t array. (I.e. there is no possible fix for these |
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522 // functions with current C or C++.) |
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523 |
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524 // To solve the dilemma, the function "get_ASCII_filename" first |
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525 // checks whether there are any non-ASCII characters in the passed |
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526 // file name. If there are not, it returns the original name. |
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527 |
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528 // Otherwise, it optionally tries to convert the file name to the locale |
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529 // charset. |
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530 |
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531 // If the file name contains characters that cannot be converted to the |
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532 // locale charset (or that step is skipped), it tries to obtain the short |
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533 // file name (8.3 naming scheme) which only consists of ASCII characters |
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534 // and are safe to pass. However, short file names can be disabled for |
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535 // performance reasons on the file system level with NTFS and they are not |
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536 // stored on other file systems (e.g. ExFAT). So there is no guarantee |
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537 // that these exist. |
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538 |
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539 // If short file names are not stored, a hard link to the file is |
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540 // created. For this the path to the file is split at the deepest |
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541 // possible level that doesn't contain non-ASCII characters. At |
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542 // that level a hidden folder is created that holds the hard links. |
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543 // That means we need to have write access on that location. A path |
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544 // to that hard link is returned. |
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545 |
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546 // If the file system is FAT32, there are no hard links. But FAT32 |
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547 // always stores short file names. So we are safe. |
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548 |
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549 // ExFAT that is occasionally used on USB sticks and SD cards stores |
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550 // neither short file names nor does it support hard links. So for |
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551 // exFAT with this function, there is (currently) no way to generate |
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552 // a file name that is stripped from non-ASCII characters but still |
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553 // is valid. |
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554 |
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555 // For Unixy systems, this function does nothing. |
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556 |
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557 std::string |
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558 get_ASCII_filename (const std::string& orig_file_name, |
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559 const bool allow_locale) |
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560 { |
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561 #if defined (OCTAVE_USE_WINDOWS_API) |
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562 |
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563 // Return file name that only contains ASCII characters that can |
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564 // be used to access the file orig_file_name. The original file |
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565 // must exist in the file system before calling this function. |
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566 // This is useful for passing file names to functions that are not |
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567 // aware of the character encoding we are using. |
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568 |
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569 // 0. Check whether filename contains non-ASCII (UTF-8) characters. |
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570 |
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571 std::string::const_iterator first_non_ASCII |
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572 = std::find_if (orig_file_name.begin (), orig_file_name.end (), |
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573 [](char c) { return (c < 0 || c >= 128); }); |
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574 |
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575 if (first_non_ASCII == orig_file_name.end ()) |
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576 return orig_file_name; |
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577 |
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578 // 1. Optionally, check if all characters in the path can be successfully |
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579 // converted to the locale charset |
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580 if (allow_locale) |
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581 { |
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582 const char *locale = octave_locale_charset_wrapper (); |
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583 if (locale) |
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584 { |
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585 const uint8_t *name_u8 = reinterpret_cast<const uint8_t *> |
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586 (orig_file_name.c_str ()); |
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587 size_t length = 0; |
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588 char *name_locale = octave_u8_conv_to_encoding_strict |
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589 (locale, name_u8, |
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590 orig_file_name.length () + 1, &length); |
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591 if (name_locale) |
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592 { |
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593 std::string file_name_locale (name_locale, length); |
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594 free (name_locale); |
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595 return file_name_locale; |
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596 } |
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597 } |
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598 } |
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599 |
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600 // 2. Check if file system stores short filenames (always |
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601 // ASCII-only). |
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602 |
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603 std::wstring w_orig_file_name_str = u8_to_wstring (orig_file_name); |
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604 const wchar_t *w_orig_file_name = w_orig_file_name_str.c_str (); |
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605 |
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606 // Get full path to file |
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607 wchar_t w_full_file_name[_MAX_PATH]; |
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608 if (_wfullpath (w_full_file_name, w_orig_file_name, _MAX_PATH) == nullptr) |
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609 return orig_file_name; |
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610 |
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611 std::wstring w_full_file_name_str = w_full_file_name; |
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612 |
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613 // Get short filename (8.3) from UTF-16 filename. |
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614 |
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615 long length = GetShortPathNameW (w_full_file_name, nullptr, 0); |
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616 |
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617 if (length > 0) |
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618 { |
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619 // Dynamically allocate the correct size (terminating null char |
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620 // was included in length). |
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621 |
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622 OCTAVE_LOCAL_BUFFER (wchar_t, w_short_file_name, length); |
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623 GetShortPathNameW (w_full_file_name, w_short_file_name, length); |
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624 |
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625 std::wstring w_short_file_name_str |
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626 = std::wstring (w_short_file_name, length); |
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627 std::string short_file_name = u8_from_wstring (w_short_file_name_str); |
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628 |
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629 if (w_short_file_name_str.compare (0, length-1, w_full_file_name_str) != 0) |
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630 return short_file_name; |
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631 } |
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632 |
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633 // 3. Create hard link with only-ASCII characters. |
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634 // Get longest possible part of path that only contains ASCII chars. |
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635 |
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636 std::wstring::iterator w_first_non_ASCII |
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637 = std::find_if (w_full_file_name_str.begin (), w_full_file_name_str.end (), |
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638 [](wchar_t c) { return (c < 0 || c >= 128); }); |
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639 std::wstring tmp_substr |
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640 = std::wstring (w_full_file_name_str.begin (), w_first_non_ASCII); |
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641 |
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642 size_t pos |
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643 = tmp_substr.find_last_of (u8_to_wstring (file_ops::dir_sep_chars ())); |
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644 |
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645 std::string par_dir |
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646 = u8_from_wstring (w_full_file_name_str.substr (0, pos+1)); |
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647 |
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648 // Create .oct_ascii directory. |
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649 // FIXME: We need to have write permission in this location. |
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650 |
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651 std::string oct_ascii_dir = par_dir + ".oct_ascii"; |
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652 std::string test_dir = canonicalize_file_name (oct_ascii_dir); |
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653 |
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654 if (test_dir.empty ()) |
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655 { |
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656 std::string msg; |
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657 int status = sys::mkdir (oct_ascii_dir, 0777, msg); |
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658 |
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659 if (status < 0) |
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660 return orig_file_name; |
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661 |
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662 // Set hidden property. |
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663 SetFileAttributesA (oct_ascii_dir.c_str (), FILE_ATTRIBUTE_HIDDEN); |
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664 } |
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665 |
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style fixes and commentary for get_ASCII_filename function (bug #54299)
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666 // Create file from hash of full filename. |
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667 std::string filename_hash |
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668 = (oct_ascii_dir + file_ops::dir_sep_str () |
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669 + crypto::hash ("SHA1", orig_file_name)); |
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670 |
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671 std::string abs_filename_hash = canonicalize_file_name (filename_hash); |
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672 |
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673 if (! abs_filename_hash.empty ()) |
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674 sys::unlink (filename_hash); |
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675 |
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676 wchar_t w_filename_hash[filename_hash.length ()+1] = {0}; |
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677 |
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678 for (size_t i=0; i < filename_hash.length (); i++) |
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679 w_filename_hash[i] = filename_hash.at (i); |
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680 |
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Relative path specifications for non-ASCII files on Windows.
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681 if (CreateHardLinkW (w_filename_hash, w_orig_file_name, nullptr)) |
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682 return filename_hash; |
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683 |
28534
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684 #else |
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685 |
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686 octave_unused_parameter (allow_locale); |
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687 |
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688 #endif |
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689 |
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690 return orig_file_name; |
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691 } |
21738
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use namespace for lo-sysdep.h functions
John W. Eaton <jwe@octave.org>
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692 } |
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693 } |