1 | // operations.cpp --------------------------------------------------------------------//
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2 |
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3 | // Copyright 2002-2009 Beman Dawes
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4 | // Copyright 2001 Dietmar Kuehl
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5 |
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6 | // Distributed under the Boost Software License, Version 1.0.
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7 | // See http://www.boost.org/LICENSE_1_0.txt
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8 |
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9 | // See library home page at http://www.boost.org/libs/filesystem
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10 |
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11 | //--------------------------------------------------------------------------------------//
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12 |
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13 | #include <boost/config.hpp>
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14 | #if !defined( BOOST_NO_STD_WSTRING )
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15 | // Boost.Filesystem V3 and later requires std::wstring support.
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16 | // During the transition to V3, libraries are compiled with both V2 and V3 sources.
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17 | // On old compilers that don't support V3 anyhow, we just skip everything so the compile
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18 | // will succeed and the library can be built.
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19 |
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20 | // define BOOST_FILESYSTEM_SOURCE so that <boost/filesystem/config.hpp> knows
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21 | // the library is being built (possibly exporting rather than importing code)
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22 |
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23 | #define BOOST_FILESYSTEM_SOURCE
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24 |
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25 | #ifndef BOOST_SYSTEM_NO_DEPRECATED
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26 | # define BOOST_SYSTEM_NO_DEPRECATED
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27 | #endif
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28 |
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29 | #ifndef _POSIX_PTHREAD_SEMANTICS
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30 | # define _POSIX_PTHREAD_SEMANTICS // Sun readdir_r()needs this
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31 | #endif
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32 |
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33 | #if !(defined(__HP_aCC) && defined(_ILP32) && \
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34 | !defined(_STATVFS_ACPP_PROBLEMS_FIXED))
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35 | #define _FILE_OFFSET_BITS 64 // at worst, these defines may have no effect,
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36 | #endif
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37 | #define __USE_FILE_OFFSET64 // but that is harmless on Windows and on POSIX
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38 | // 64-bit systems or on 32-bit systems which don't have files larger
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39 | // than can be represented by a traditional POSIX/UNIX off_t type.
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40 | // OTOH, defining them should kick in 64-bit off_t's (and thus
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41 | // st_size)on 32-bit systems that provide the Large File
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42 | // Support (LFS)interface, such as Linux, Solaris, and IRIX.
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43 | // The defines are given before any headers are included to
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44 | // ensure that they are available to all included headers.
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45 | // That is required at least on Solaris, and possibly on other
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46 | // systems as well.
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47 |
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48 | #include <boost/filesystem/v3/operations.hpp>
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49 | #include <boost/scoped_array.hpp>
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50 | #include <boost/detail/workaround.hpp>
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51 | #include <cstdlib> // for malloc, free
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52 | #include <vector>
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53 |
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54 | #ifdef BOOST_FILEYSTEM_INCLUDE_IOSTREAM
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55 | # include <iostream>
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56 | #endif
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57 |
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58 | namespace fs = boost::filesystem3;
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59 | using boost::filesystem3::path;
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60 | using boost::filesystem3::filesystem_error;
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61 | using boost::system::error_code;
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62 | using boost::system::error_category;
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63 | using boost::system::system_category;
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64 | using std::string;
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65 | using std::wstring;
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66 |
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67 | # ifdef BOOST_POSIX_API
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68 |
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69 | # include <sys/types.h>
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70 | # if !defined(__APPLE__) && !defined(__OpenBSD__)
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71 | # include <sys/statvfs.h>
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72 | # define BOOST_STATVFS statvfs
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73 | # define BOOST_STATVFS_F_FRSIZE vfs.f_frsize
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74 | # else
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75 | # ifdef __OpenBSD__
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76 | # include <sys/param.h>
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77 | # endif
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78 | # include <sys/mount.h>
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79 | # define BOOST_STATVFS statfs
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80 | # define BOOST_STATVFS_F_FRSIZE static_cast<boost::uintmax_t>(vfs.f_bsize)
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81 | # endif
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82 | # include <dirent.h>
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83 | # include <unistd.h>
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84 | # include <fcntl.h>
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85 | # include <utime.h>
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86 | # include "limits.h"
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87 |
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88 | # else // BOOST_WINDOW_API
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89 |
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90 | # if (defined(__MINGW32__) || defined(__CYGWIN__)) && !defined(WINVER)
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91 | // Versions of MinGW or Cygwin that support Filesystem V3 support at least WINVER 0x501.
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92 | // See MinGW's windef.h
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93 | # define WINVER 0x501
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94 | # endif
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95 | # include <windows.h>
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96 | # include <winnt.h>
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97 | # if !defined(_WIN32_WINNT)
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98 | # define _WIN32_WINNT 0x0500
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99 | # endif
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100 | # if defined(__BORLANDC__) || defined(__MWERKS__)
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101 | # if defined(__BORLANDC__)
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102 | using std::time_t;
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103 | # endif
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104 | # include <utime.h>
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105 | # else
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106 | # include <sys/utime.h>
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107 | # endif
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108 |
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109 | // REPARSE_DATA_BUFFER related definitions are found in ntifs.h, which is part of the
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110 | // Windows Device Driver Kit. Since that's inconvenient, the definitions are provided
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111 | // here. See http://msdn.microsoft.com/en-us/library/ms791514.aspx
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112 |
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113 | #if !defined(REPARSE_DATA_BUFFER_HEADER_SIZE) // mingw winnt.h does provide the defs
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114 |
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115 | #define SYMLINK_FLAG_RELATIVE 1
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116 |
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117 | typedef struct _REPARSE_DATA_BUFFER {
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118 | ULONG ReparseTag;
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119 | USHORT ReparseDataLength;
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120 | USHORT Reserved;
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121 | union {
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122 | struct {
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123 | USHORT SubstituteNameOffset;
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124 | USHORT SubstituteNameLength;
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125 | USHORT PrintNameOffset;
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126 | USHORT PrintNameLength;
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127 | ULONG Flags;
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128 | WCHAR PathBuffer[1];
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129 | /* Example of distinction between substitute and print names:
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130 | mklink /d ldrive c:\
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131 | SubstituteName: c:\\??\
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132 | PrintName: c:\
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133 | */
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134 | } SymbolicLinkReparseBuffer;
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135 | struct {
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136 | USHORT SubstituteNameOffset;
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137 | USHORT SubstituteNameLength;
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138 | USHORT PrintNameOffset;
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139 | USHORT PrintNameLength;
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140 | WCHAR PathBuffer[1];
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141 | } MountPointReparseBuffer;
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142 | struct {
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143 | UCHAR DataBuffer[1];
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144 | } GenericReparseBuffer;
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145 | };
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146 | } REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER;
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147 |
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148 | #define REPARSE_DATA_BUFFER_HEADER_SIZE \
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149 | FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer)
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150 |
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151 | #endif
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152 |
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153 | #ifndef MAXIMUM_REPARSE_DATA_BUFFER_SIZE
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154 | #define MAXIMUM_REPARSE_DATA_BUFFER_SIZE ( 16 * 1024 )
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155 | #endif
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156 |
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157 | # ifndef FSCTL_GET_REPARSE_POINT
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158 | # define FSCTL_GET_REPARSE_POINT 0x900a8
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159 | # endif
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160 |
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161 | # ifndef IO_REPARSE_TAG_SYMLINK
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162 | # define IO_REPARSE_TAG_SYMLINK (0xA000000CL)
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163 | # endif
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164 |
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165 | # endif // BOOST_WINDOWS_API
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166 |
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167 | // BOOST_FILESYSTEM_STATUS_CACHE enables file_status cache in
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168 | // dir_itr_increment. The config tests are placed here because some of the
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169 | // macros being tested come from dirent.h.
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170 | //
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171 | // TODO: find out what macros indicate dirent::d_type present in more libraries
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172 | # if defined(BOOST_WINDOWS_API)\
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173 | || defined(_DIRENT_HAVE_D_TYPE)// defined by GNU C library if d_type present
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174 | # define BOOST_FILESYSTEM_STATUS_CACHE
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175 | # endif
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176 |
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177 | #include <sys/stat.h> // even on Windows some functions use stat()
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178 | #include <string>
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179 | #include <cstring>
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180 | #include <cstdio> // for remove, rename
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181 | #include <cerrno>
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182 | #include <cassert>
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183 | // #include <iostream> // for debugging only; comment out when not in use
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184 |
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185 | #if defined(__QNXNTO__)
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186 | #include <stdio.h>
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187 | #endif
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188 |
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189 | // POSIX/Windows macros ----------------------------------------------------//
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190 |
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191 | // Portions of the POSIX and Windows API's are very similar, except for name,
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192 | // order of arguments, and meaning of zero/non-zero returns. The macros below
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193 | // abstract away those differences. They follow Windows naming and order of
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194 | // arguments, and return true to indicate no error occurred. [POSIX naming,
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195 | // order of arguments, and meaning of return were followed initially, but
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196 | // found to be less clear and cause more coding errors.]
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197 |
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198 | # if defined(BOOST_POSIX_API)
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199 |
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200 | // POSIX uses a 0 return to indicate success
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201 | # define BOOST_ERRNO errno
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202 | # define BOOST_SET_CURRENT_DIRECTORY(P)(::chdir(P)== 0)
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203 | # define BOOST_CREATE_DIRECTORY(P)(::mkdir(P, S_IRWXU|S_IRWXG|S_IRWXO)== 0)
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204 | # define BOOST_CREATE_HARD_LINK(F,T)(::link(T, F)== 0)
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205 | # define BOOST_CREATE_SYMBOLIC_LINK(F,T,Flag)(::symlink(T, F)== 0)
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206 | # define BOOST_REMOVE_DIRECTORY(P)(::rmdir(P)== 0)
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207 | # define BOOST_DELETE_FILE(P)(::unlink(P)== 0)
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208 | # define BOOST_COPY_DIRECTORY(F,T)(!(::stat(from.c_str(), &from_stat)!= 0\
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209 | || ::mkdir(to.c_str(),from_stat.st_mode)!= 0))
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210 | # define BOOST_COPY_FILE(F,T,FailIfExistsBool)copy_file_api(F, T, FailIfExistsBool)
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211 | # define BOOST_MOVE_FILE(OLD,NEW)(::rename(OLD, NEW)== 0)
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212 | # define BOOST_RESIZE_FILE(P,SZ)(::truncate(P, SZ)== 0)
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213 |
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214 | # define BOOST_ERROR_NOT_SUPPORTED ENOSYS
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215 | # define BOOST_ERROR_ALREADY_EXISTS EEXIST
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216 |
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217 | # else // BOOST_WINDOWS_API
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218 |
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219 | // Windows uses a non-0 return to indicate success
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220 | # define BOOST_ERRNO ::GetLastError()
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221 | # define BOOST_SET_CURRENT_DIRECTORY(P)(::SetCurrentDirectoryW(P)!= 0)
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222 | # define BOOST_CREATE_DIRECTORY(P)(::CreateDirectoryW(P, 0)!= 0)
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223 | # define BOOST_CREATE_HARD_LINK(F,T)(create_hard_link_api(F, T, 0)!= 0)
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224 | # define BOOST_CREATE_SYMBOLIC_LINK(F,T,Flag)(create_symbolic_link_api(F, T, Flag)!= 0)
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225 | # define BOOST_REMOVE_DIRECTORY(P)(::RemoveDirectoryW(P)!= 0)
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226 | # define BOOST_DELETE_FILE(P)(::DeleteFileW(P)!= 0)
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227 | # define BOOST_COPY_DIRECTORY(F,T)(::CreateDirectoryExW(F, T, 0)!= 0)
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228 | # define BOOST_COPY_FILE(F,T,FailIfExistsBool)(::CopyFileW(F, T, FailIfExistsBool)!= 0)
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229 | # define BOOST_MOVE_FILE(OLD,NEW)(::MoveFileExW(OLD, NEW, MOVEFILE_REPLACE_EXISTING)!= 0)
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230 | # define BOOST_RESIZE_FILE(P,SZ)(resize_file_api(P, SZ)!= 0)
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231 | # define BOOST_READ_SYMLINK(P,T)
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232 |
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233 | # define BOOST_ERROR_ALREADY_EXISTS ERROR_ALREADY_EXISTS
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234 | # define BOOST_ERROR_NOT_SUPPORTED ERROR_NOT_SUPPORTED
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235 |
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236 | # endif
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237 |
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238 | //--------------------------------------------------------------------------------------//
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239 | // //
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240 | // helpers (all operating systems) //
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241 | // //
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242 | //--------------------------------------------------------------------------------------//
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243 |
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244 | namespace
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245 | {
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246 |
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247 | # ifdef BOOST_POSIX_API
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248 | const char dot = '.';
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249 | # else
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250 | const wchar_t dot = L'.';
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251 | # endif
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252 |
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253 | fs::file_type query_file_type(const path& p, error_code* ec);
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254 |
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255 | boost::filesystem3::directory_iterator end_dir_itr;
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256 |
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257 | const std::size_t buf_size(128);
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258 | const error_code ok;
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259 |
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260 | bool error(bool was_error, error_code* ec, const string& message)
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261 | {
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262 | if (!was_error)
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263 | {
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264 | if (ec != 0) ec->clear();
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265 | }
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266 | else
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267 | { // error
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268 | if (ec == 0)
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269 | BOOST_FILESYSTEM_THROW(filesystem_error(message,
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270 | error_code(BOOST_ERRNO, system_category())));
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271 | else
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272 | ec->assign(BOOST_ERRNO, system_category());
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273 | }
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274 | return was_error;
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275 | }
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276 |
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277 | bool error(bool was_error, const path& p, error_code* ec, const string& message)
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278 | {
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279 | if (!was_error)
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280 | {
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281 | if (ec != 0) ec->clear();
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282 | }
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283 | else
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284 | { // error
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285 | if (ec == 0)
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286 | BOOST_FILESYSTEM_THROW(filesystem_error(message,
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287 | p, error_code(BOOST_ERRNO, system_category())));
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288 | else
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289 | ec->assign(BOOST_ERRNO, system_category());
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290 | }
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291 | return was_error;
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292 | }
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293 |
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294 | bool error(bool was_error, const path& p1, const path& p2, error_code* ec,
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295 | const string& message)
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296 | {
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297 | if (!was_error)
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298 | {
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299 | if (ec != 0) ec->clear();
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300 | }
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301 | else
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302 | { // error
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303 | if (ec == 0)
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304 | BOOST_FILESYSTEM_THROW(filesystem_error(message,
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305 | p1, p2, error_code(BOOST_ERRNO, system_category())));
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306 | else
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307 | ec->assign(BOOST_ERRNO, system_category());
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308 | }
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309 | return was_error;
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310 | }
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311 |
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312 | bool error(bool was_error, const error_code& result,
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313 | const path& p, error_code* ec, const string& message)
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314 | // Overwrites ec if there has already been an error
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315 | {
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316 | if (!was_error)
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317 | {
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318 | if (ec != 0) ec->clear();
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319 | }
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320 | else
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321 | { // error
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322 | if (ec == 0)
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323 | BOOST_FILESYSTEM_THROW(filesystem_error(message, p, result));
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324 | else
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325 | *ec = result;
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326 | }
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327 | return was_error;
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328 | }
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329 |
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330 | bool error(bool was_error, const error_code& result,
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331 | const path& p1, const path& p2, error_code* ec, const string& message)
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332 | // Overwrites ec if there has already been an error
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333 | {
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334 | if (!was_error)
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335 | {
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336 | if (ec != 0) ec->clear();
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337 | }
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338 | else
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339 | { // error
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340 | if (ec == 0)
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341 | BOOST_FILESYSTEM_THROW(filesystem_error(message, p1, p2, result));
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342 | else
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343 | *ec = result;
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344 | }
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345 | return was_error;
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346 | }
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347 |
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348 | bool is_empty_directory(const path& p)
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349 | {
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350 | return fs::directory_iterator(p)== end_dir_itr;
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351 | }
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352 |
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353 | bool remove_directory(const path& p) // true if succeeds
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354 | { return BOOST_REMOVE_DIRECTORY(p.c_str()); }
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355 |
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356 | bool remove_file(const path& p) // true if succeeds
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357 | { return BOOST_DELETE_FILE(p.c_str()); }
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358 |
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359 | // called by remove and remove_all_aux
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360 | bool remove_file_or_directory(const path& p, fs::file_type type, error_code* ec)
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361 | // return true if file removed, false if not removed
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362 | {
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363 | if (type == fs::file_not_found)
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364 | {
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365 | if (ec != 0) ec->clear();
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366 | return false;
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367 | }
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368 |
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369 | if (type == fs::directory_file
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370 | # ifdef BOOST_WINDOWS_API
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371 | || type == fs::_detail_directory_symlink
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372 | # endif
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373 | )
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374 | {
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375 | if (error(!remove_directory(p), p, ec, "boost::filesystem::remove"))
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376 | return false;
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377 | }
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378 | else
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379 | {
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380 | if (error(!remove_file(p), p, ec, "boost::filesystem::remove"))
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381 | return false;
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382 | }
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383 | return true;
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384 | }
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385 |
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386 | boost::uintmax_t remove_all_aux(const path& p, fs::file_type type,
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387 | error_code* ec)
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388 | {
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389 | boost::uintmax_t count = 1;
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390 |
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391 | if (type == fs::directory_file) // but not a directory symlink
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392 | {
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393 | for (fs::directory_iterator itr(p);
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394 | itr != end_dir_itr; ++itr)
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395 | {
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396 | fs::file_type tmp_type = query_file_type(itr->path(), ec);
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397 | if (ec != 0 && *ec)
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398 | return count;
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399 | count += remove_all_aux(itr->path(), tmp_type, ec);
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400 | }
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401 | }
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402 | remove_file_or_directory(p, type, ec);
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403 | return count;
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404 | }
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405 |
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406 | #ifdef BOOST_POSIX_API
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407 |
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408 | //--------------------------------------------------------------------------------------//
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409 | // //
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410 | // POSIX-specific helpers //
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411 | // //
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412 | //--------------------------------------------------------------------------------------//
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413 |
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414 | bool not_found_error(int errval)
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415 | {
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416 | return errno == ENOENT || errno == ENOTDIR;
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417 | }
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418 |
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419 | bool // true if ok
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420 | copy_file_api(const std::string& from_p,
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421 | const std::string& to_p, bool fail_if_exists)
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422 | {
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423 | const std::size_t buf_sz = 32768;
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424 | boost::scoped_array<char> buf(new char [buf_sz]);
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425 | int infile=-1, outfile=-1; // -1 means not open
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426 |
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427 | // bug fixed: code previously did a stat()on the from_file first, but that
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428 | // introduced a gratuitous race condition; the stat()is now done after the open()
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429 |
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430 | if ((infile = ::open(from_p.c_str(), O_RDONLY))< 0)
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431 | { return false; }
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432 |
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433 | struct stat from_stat;
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434 | if (::stat(from_p.c_str(), &from_stat)!= 0)
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435 | { return false; }
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436 |
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437 | int oflag = O_CREAT | O_WRONLY | O_TRUNC;
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438 | if (fail_if_exists)
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439 | oflag |= O_EXCL;
|
---|
440 | if ((outfile = ::open(to_p.c_str(), oflag, from_stat.st_mode))< 0)
|
---|
441 | {
|
---|
442 | int open_errno = errno;
|
---|
443 | BOOST_ASSERT(infile >= 0);
|
---|
444 | ::close(infile);
|
---|
445 | errno = open_errno;
|
---|
446 | return false;
|
---|
447 | }
|
---|
448 |
|
---|
449 | ssize_t sz, sz_read=1, sz_write;
|
---|
450 | while (sz_read > 0
|
---|
451 | && (sz_read = ::read(infile, buf.get(), buf_sz))> 0)
|
---|
452 | {
|
---|
453 | // Allow for partial writes - see Advanced Unix Programming (2nd Ed.),
|
---|
454 | // Marc Rochkind, Addison-Wesley, 2004, page 94
|
---|
455 | sz_write = 0;
|
---|
456 | do
|
---|
457 | {
|
---|
458 | if ((sz = ::write(outfile, buf.get() + sz_write,
|
---|
459 | sz_read - sz_write))< 0)
|
---|
460 | {
|
---|
461 | sz_read = sz; // cause read loop termination
|
---|
462 | break; // and error to be thrown after closes
|
---|
463 | }
|
---|
464 | sz_write += sz;
|
---|
465 | } while (sz_write < sz_read);
|
---|
466 | }
|
---|
467 |
|
---|
468 | if (::close(infile)< 0)sz_read = -1;
|
---|
469 | if (::close(outfile)< 0)sz_read = -1;
|
---|
470 |
|
---|
471 | return sz_read >= 0;
|
---|
472 | }
|
---|
473 |
|
---|
474 | inline fs::file_type query_file_type(const path& p, error_code* ec)
|
---|
475 | {
|
---|
476 | return fs::detail::symlink_status(p, ec).type();
|
---|
477 | }
|
---|
478 |
|
---|
479 | # else
|
---|
480 |
|
---|
481 | //--------------------------------------------------------------------------------------//
|
---|
482 | // //
|
---|
483 | // Windows-specific helpers //
|
---|
484 | // //
|
---|
485 | //--------------------------------------------------------------------------------------//
|
---|
486 |
|
---|
487 | bool not_found_error(int errval)
|
---|
488 | {
|
---|
489 | return errval == ERROR_FILE_NOT_FOUND
|
---|
490 | || errval == ERROR_PATH_NOT_FOUND
|
---|
491 | || errval == ERROR_INVALID_NAME // "tools/jam/src/:sys:stat.h", "//foo"
|
---|
492 | || errval == ERROR_INVALID_DRIVE // USB card reader with no card inserted
|
---|
493 | || errval == ERROR_NOT_READY // CD/DVD drive with no disc inserted
|
---|
494 | || errval == ERROR_INVALID_PARAMETER // ":sys:stat.h"
|
---|
495 | || errval == ERROR_BAD_PATHNAME // "//nosuch" on Win64
|
---|
496 | || errval == ERROR_BAD_NETPATH; // "//nosuch" on Win32
|
---|
497 | }
|
---|
498 |
|
---|
499 | // these constants come from inspecting some Microsoft sample code
|
---|
500 | std::time_t to_time_t(const FILETIME & ft)
|
---|
501 | {
|
---|
502 | __int64 t = (static_cast<__int64>(ft.dwHighDateTime)<< 32)
|
---|
503 | + ft.dwLowDateTime;
|
---|
504 | # if !defined(BOOST_MSVC) || BOOST_MSVC > 1300 // > VC++ 7.0
|
---|
505 | t -= 116444736000000000LL;
|
---|
506 | # else
|
---|
507 | t -= 116444736000000000;
|
---|
508 | # endif
|
---|
509 | t /= 10000000;
|
---|
510 | return static_cast<std::time_t>(t);
|
---|
511 | }
|
---|
512 |
|
---|
513 | void to_FILETIME(std::time_t t, FILETIME & ft)
|
---|
514 | {
|
---|
515 | __int64 temp = t;
|
---|
516 | temp *= 10000000;
|
---|
517 | # if !defined(BOOST_MSVC) || BOOST_MSVC > 1300 // > VC++ 7.0
|
---|
518 | temp += 116444736000000000LL;
|
---|
519 | # else
|
---|
520 | temp += 116444736000000000;
|
---|
521 | # endif
|
---|
522 | ft.dwLowDateTime = static_cast<DWORD>(temp);
|
---|
523 | ft.dwHighDateTime = static_cast<DWORD>(temp >> 32);
|
---|
524 | }
|
---|
525 |
|
---|
526 | // Thanks to Jeremy Maitin-Shepard for much help and for permission to
|
---|
527 | // base the equivalent()implementation on portions of his
|
---|
528 | // file-equivalence-win32.cpp experimental code.
|
---|
529 |
|
---|
530 | struct handle_wrapper
|
---|
531 | {
|
---|
532 | HANDLE handle;
|
---|
533 | handle_wrapper(HANDLE h)
|
---|
534 | : handle(h){}
|
---|
535 | ~handle_wrapper()
|
---|
536 | {
|
---|
537 | if (handle != INVALID_HANDLE_VALUE)
|
---|
538 | ::CloseHandle(handle);
|
---|
539 | }
|
---|
540 | };
|
---|
541 |
|
---|
542 | HANDLE create_file_handle(const path& p, DWORD dwDesiredAccess,
|
---|
543 | DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes,
|
---|
544 | DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes,
|
---|
545 | HANDLE hTemplateFile)
|
---|
546 | {
|
---|
547 | return ::CreateFileW(p.c_str(), dwDesiredAccess, dwShareMode,
|
---|
548 | lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes,
|
---|
549 | hTemplateFile);
|
---|
550 | }
|
---|
551 |
|
---|
552 | bool is_reparse_point_a_symlink(const path& p)
|
---|
553 | {
|
---|
554 | handle_wrapper h(create_file_handle(p, FILE_READ_EA,
|
---|
555 | FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING,
|
---|
556 | FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, NULL));
|
---|
557 | if (h.handle == INVALID_HANDLE_VALUE)
|
---|
558 | return false;
|
---|
559 |
|
---|
560 | boost::scoped_array<char> buf(new char [MAXIMUM_REPARSE_DATA_BUFFER_SIZE]);
|
---|
561 |
|
---|
562 | // Query the reparse data
|
---|
563 | DWORD dwRetLen;
|
---|
564 | BOOL result = ::DeviceIoControl(h.handle, FSCTL_GET_REPARSE_POINT, NULL, 0, buf.get(),
|
---|
565 | MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &dwRetLen, NULL);
|
---|
566 | if (!result) return false;
|
---|
567 |
|
---|
568 | return reinterpret_cast<const REPARSE_DATA_BUFFER*>(buf.get())
|
---|
569 | ->ReparseTag == IO_REPARSE_TAG_SYMLINK;
|
---|
570 | }
|
---|
571 |
|
---|
572 | inline std::size_t get_full_path_name(
|
---|
573 | const path& src, std::size_t len, wchar_t* buf, wchar_t** p)
|
---|
574 | {
|
---|
575 | return static_cast<std::size_t>(
|
---|
576 | ::GetFullPathNameW(src.c_str(), static_cast<DWORD>(len), buf, p));
|
---|
577 | }
|
---|
578 |
|
---|
579 | fs::file_status process_status_failure(const path& p, error_code* ec)
|
---|
580 | {
|
---|
581 | int errval(::GetLastError());
|
---|
582 | if (ec != 0) // always report errval, even though some
|
---|
583 | ec->assign(errval, system_category()); // errval values are not status_errors
|
---|
584 |
|
---|
585 | if (not_found_error(errval))
|
---|
586 | {
|
---|
587 | return fs::file_status(fs::file_not_found);
|
---|
588 | }
|
---|
589 | else if ((errval == ERROR_SHARING_VIOLATION))
|
---|
590 | {
|
---|
591 | return fs::file_status(fs::type_unknown);
|
---|
592 | }
|
---|
593 | if (ec == 0)
|
---|
594 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::status",
|
---|
595 | p, error_code(errval, system_category())));
|
---|
596 | return fs::file_status(fs::status_error);
|
---|
597 | }
|
---|
598 |
|
---|
599 | // differs from symlink_status() in that directory symlinks are reported as
|
---|
600 | // _detail_directory_symlink, as required on Windows by remove() and its helpers.
|
---|
601 | fs::file_type query_file_type(const path& p, error_code* ec)
|
---|
602 | {
|
---|
603 | DWORD attr(::GetFileAttributesW(p.c_str()));
|
---|
604 | if (attr == 0xFFFFFFFF)
|
---|
605 | {
|
---|
606 | return process_status_failure(p, ec).type();
|
---|
607 | }
|
---|
608 |
|
---|
609 | if (ec != 0) ec->clear();
|
---|
610 |
|
---|
611 | if (attr & FILE_ATTRIBUTE_REPARSE_POINT)
|
---|
612 | {
|
---|
613 | if (is_reparse_point_a_symlink(p))
|
---|
614 | return (attr & FILE_ATTRIBUTE_DIRECTORY)
|
---|
615 | ? fs::_detail_directory_symlink
|
---|
616 | : fs::symlink_file;
|
---|
617 | return fs::reparse_file;
|
---|
618 | }
|
---|
619 |
|
---|
620 | return (attr & FILE_ATTRIBUTE_DIRECTORY)
|
---|
621 | ? fs::directory_file
|
---|
622 | : fs::regular_file;
|
---|
623 | }
|
---|
624 |
|
---|
625 | BOOL resize_file_api(const wchar_t* p, boost::uintmax_t size)
|
---|
626 | {
|
---|
627 | HANDLE handle = CreateFileW(p, GENERIC_WRITE, 0, 0, OPEN_EXISTING,
|
---|
628 | FILE_ATTRIBUTE_NORMAL, 0);
|
---|
629 | LARGE_INTEGER sz;
|
---|
630 | sz.QuadPart = size;
|
---|
631 | return handle != INVALID_HANDLE_VALUE
|
---|
632 | && ::SetFilePointerEx(handle, sz, 0, FILE_BEGIN)
|
---|
633 | && ::SetEndOfFile(handle)
|
---|
634 | && ::CloseHandle(handle);
|
---|
635 | }
|
---|
636 |
|
---|
637 | // Windows kernel32.dll functions that may or may not be present
|
---|
638 | // must be accessed through pointers
|
---|
639 |
|
---|
640 | typedef BOOL (WINAPI *PtrCreateHardLinkW)(
|
---|
641 | /*__in*/ LPCWSTR lpFileName,
|
---|
642 | /*__in*/ LPCWSTR lpExistingFileName,
|
---|
643 | /*__reserved*/ LPSECURITY_ATTRIBUTES lpSecurityAttributes
|
---|
644 | );
|
---|
645 |
|
---|
646 | PtrCreateHardLinkW create_hard_link_api = PtrCreateHardLinkW(
|
---|
647 | ::GetProcAddress(
|
---|
648 | ::GetModuleHandle(TEXT("kernel32.dll")), "CreateHardLinkW"));
|
---|
649 |
|
---|
650 | typedef BOOLEAN (WINAPI *PtrCreateSymbolicLinkW)(
|
---|
651 | /*__in*/ LPCWSTR lpSymlinkFileName,
|
---|
652 | /*__in*/ LPCWSTR lpTargetFileName,
|
---|
653 | /*__in*/ DWORD dwFlags
|
---|
654 | );
|
---|
655 |
|
---|
656 | PtrCreateSymbolicLinkW create_symbolic_link_api = PtrCreateSymbolicLinkW(
|
---|
657 | ::GetProcAddress(
|
---|
658 | ::GetModuleHandle(TEXT("kernel32.dll")), "CreateSymbolicLinkW"));
|
---|
659 |
|
---|
660 | #endif
|
---|
661 |
|
---|
662 | //#ifdef BOOST_WINDOWS_API
|
---|
663 | //
|
---|
664 | //
|
---|
665 | // inline bool get_free_disk_space(const std::wstring& ph,
|
---|
666 | // PULARGE_INTEGER avail, PULARGE_INTEGER total, PULARGE_INTEGER free)
|
---|
667 | // { return ::GetDiskFreeSpaceExW(ph.c_str(), avail, total, free)!= 0; }
|
---|
668 | //
|
---|
669 | //#endif
|
---|
670 |
|
---|
671 | } // unnamed namespace
|
---|
672 |
|
---|
673 | //--------------------------------------------------------------------------------------//
|
---|
674 | // //
|
---|
675 | // operations functions declared in operations.hpp //
|
---|
676 | // in alphabetic order //
|
---|
677 | // //
|
---|
678 | //--------------------------------------------------------------------------------------//
|
---|
679 |
|
---|
680 | namespace boost
|
---|
681 | {
|
---|
682 | namespace filesystem3
|
---|
683 | {
|
---|
684 |
|
---|
685 | BOOST_FILESYSTEM_DECL
|
---|
686 | path absolute(const path& p, const path& base)
|
---|
687 | {
|
---|
688 | // if ( p.empty() || p.is_absolute() )
|
---|
689 | // return p;
|
---|
690 | // // recursively calling absolute is sub-optimal, but is simple
|
---|
691 | // path abs_base(base.is_absolute() ? base : absolute(base));
|
---|
692 | //# ifdef BOOST_WINDOWS_API
|
---|
693 | // if (p.has_root_directory())
|
---|
694 | // return abs_base.root_name() / p;
|
---|
695 | // // !p.has_root_directory
|
---|
696 | // if (p.has_root_name())
|
---|
697 | // return p.root_name()
|
---|
698 | // / abs_base.root_directory() / abs_base.relative_path() / p.relative_path();
|
---|
699 | // // !p.has_root_name()
|
---|
700 | //# endif
|
---|
701 | // return abs_base / p;
|
---|
702 |
|
---|
703 | // recursively calling absolute is sub-optimal, but is sure and simple
|
---|
704 | path abs_base(base.is_absolute() ? base : absolute(base));
|
---|
705 |
|
---|
706 | // store expensive to compute values that are needed multiple times
|
---|
707 | path p_root_name (p.root_name());
|
---|
708 | path base_root_name (abs_base.root_name());
|
---|
709 | path p_root_directory (p.root_directory());
|
---|
710 |
|
---|
711 | if (p.empty())
|
---|
712 | return abs_base;
|
---|
713 |
|
---|
714 | if (!p_root_name.empty()) // p.has_root_name()
|
---|
715 | {
|
---|
716 | if (p_root_directory.empty()) // !p.has_root_directory()
|
---|
717 | return p_root_name / abs_base.root_directory()
|
---|
718 | / abs_base.relative_path() / p.relative_path();
|
---|
719 | // p is absolute, so fall through to return p at end of block
|
---|
720 | }
|
---|
721 |
|
---|
722 | else if (!p_root_directory.empty()) // p.has_root_directory()
|
---|
723 | {
|
---|
724 | # ifdef BOOST_POSIX_API
|
---|
725 | // POSIX can have root name it it is a network path
|
---|
726 | if (base_root_name.empty()) // !abs_base.has_root_name()
|
---|
727 | return p;
|
---|
728 | # endif
|
---|
729 | return base_root_name / p;
|
---|
730 | }
|
---|
731 |
|
---|
732 | else
|
---|
733 | {
|
---|
734 | return abs_base / p;
|
---|
735 | }
|
---|
736 |
|
---|
737 | return p; // p.is_absolute() is true
|
---|
738 | }
|
---|
739 |
|
---|
740 | namespace detail
|
---|
741 | {
|
---|
742 | BOOST_FILESYSTEM_DECL bool possible_large_file_size_support()
|
---|
743 | {
|
---|
744 | # ifdef BOOST_POSIX_API
|
---|
745 | struct stat lcl_stat;
|
---|
746 | return sizeof(lcl_stat.st_size)> 4;
|
---|
747 | # else
|
---|
748 | return true;
|
---|
749 | # endif
|
---|
750 | }
|
---|
751 |
|
---|
752 | BOOST_FILESYSTEM_DECL
|
---|
753 | void copy(const path& from, const path& to, system::error_code* ec)
|
---|
754 | {
|
---|
755 | file_status s(symlink_status(from, *ec));
|
---|
756 | if (ec != 0 && *ec) return;
|
---|
757 |
|
---|
758 | if(is_symlink(s))
|
---|
759 | {
|
---|
760 | copy_symlink(from, to, *ec);
|
---|
761 | }
|
---|
762 | else if(is_directory(s))
|
---|
763 | {
|
---|
764 | copy_directory(from, to, *ec);
|
---|
765 | }
|
---|
766 | else if(is_regular_file(s))
|
---|
767 | {
|
---|
768 | copy_file(from, to, copy_option::fail_if_exists, *ec);
|
---|
769 | }
|
---|
770 | else
|
---|
771 | {
|
---|
772 | if (ec == 0)
|
---|
773 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::copy",
|
---|
774 | from, to, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category())));
|
---|
775 | ec->assign(BOOST_ERROR_NOT_SUPPORTED, system_category());
|
---|
776 | }
|
---|
777 | }
|
---|
778 |
|
---|
779 | BOOST_FILESYSTEM_DECL
|
---|
780 | void copy_directory(const path& from, const path& to, system::error_code* ec)
|
---|
781 | {
|
---|
782 | # ifdef BOOST_POSIX_API
|
---|
783 | struct stat from_stat;
|
---|
784 | # endif
|
---|
785 | error(!BOOST_COPY_DIRECTORY(from.c_str(), to.c_str()),
|
---|
786 | from, to, ec, "boost::filesystem::copy_directory");
|
---|
787 | }
|
---|
788 |
|
---|
789 | BOOST_FILESYSTEM_DECL
|
---|
790 | void copy_file(const path& from, const path& to,
|
---|
791 | BOOST_SCOPED_ENUM(copy_option)option,
|
---|
792 | error_code* ec)
|
---|
793 | {
|
---|
794 | error(!BOOST_COPY_FILE(from.c_str(), to.c_str(),
|
---|
795 | option == copy_option::fail_if_exists),
|
---|
796 | from, to, ec, "boost::filesystem::copy_file");
|
---|
797 | }
|
---|
798 |
|
---|
799 | BOOST_FILESYSTEM_DECL
|
---|
800 | void copy_symlink(const path& existing_symlink, const path& new_symlink,
|
---|
801 | system::error_code* ec)
|
---|
802 | {
|
---|
803 | # if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
|
---|
804 | error(true, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()),
|
---|
805 | new_symlink, existing_symlink, ec,
|
---|
806 | "boost::filesystem::copy_symlink");
|
---|
807 |
|
---|
808 | # else // modern Windows or BOOST_POSIX_API
|
---|
809 | path p(read_symlink(existing_symlink, ec));
|
---|
810 | if (ec != 0 && *ec) return;
|
---|
811 | create_symlink(p, new_symlink, ec);
|
---|
812 |
|
---|
813 | # endif
|
---|
814 | }
|
---|
815 |
|
---|
816 | BOOST_FILESYSTEM_DECL
|
---|
817 | bool create_directories(const path& p, system::error_code* ec)
|
---|
818 | {
|
---|
819 | if (p.empty() || exists(p))
|
---|
820 | {
|
---|
821 | if (!p.empty() && !is_directory(p))
|
---|
822 | {
|
---|
823 | if (ec == 0)
|
---|
824 | BOOST_FILESYSTEM_THROW(filesystem_error(
|
---|
825 | "boost::filesystem::create_directories", p,
|
---|
826 | error_code(system::errc::file_exists, system::generic_category())));
|
---|
827 | else ec->assign(system::errc::file_exists, system::generic_category());
|
---|
828 | }
|
---|
829 | return false;
|
---|
830 | }
|
---|
831 |
|
---|
832 | // First create branch, by calling ourself recursively
|
---|
833 | create_directories(p.parent_path(), ec);
|
---|
834 | // Now that parent's path exists, create the directory
|
---|
835 | create_directory(p, ec);
|
---|
836 | return true;
|
---|
837 | }
|
---|
838 |
|
---|
839 | BOOST_FILESYSTEM_DECL
|
---|
840 | bool create_directory(const path& p, error_code* ec)
|
---|
841 | {
|
---|
842 | if (BOOST_CREATE_DIRECTORY(p.c_str()))
|
---|
843 | {
|
---|
844 | if (ec != 0) ec->clear();
|
---|
845 | return true;
|
---|
846 | }
|
---|
847 |
|
---|
848 | // attempt to create directory failed
|
---|
849 | int errval(BOOST_ERRNO); // save reason for failure
|
---|
850 | error_code dummy;
|
---|
851 | if (errval == BOOST_ERROR_ALREADY_EXISTS && is_directory(p, dummy))
|
---|
852 | {
|
---|
853 | if (ec != 0) ec->clear();
|
---|
854 | return false;
|
---|
855 | }
|
---|
856 |
|
---|
857 | // attempt to create directory failed && it doesn't already exist
|
---|
858 | if (ec == 0)
|
---|
859 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::create_directory",
|
---|
860 | p, error_code(errval, system_category())));
|
---|
861 | else
|
---|
862 | ec->assign(errval, system_category());
|
---|
863 | return false;
|
---|
864 | }
|
---|
865 |
|
---|
866 | BOOST_FILESYSTEM_DECL
|
---|
867 | void create_directory_symlink(const path& to, const path& from,
|
---|
868 | system::error_code* ec)
|
---|
869 | {
|
---|
870 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT < 0x0600 // SDK earlier than Vista and Server 2008
|
---|
871 |
|
---|
872 | error(true, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()), to, from, ec,
|
---|
873 | "boost::filesystem::create_directory_symlink");
|
---|
874 | # else
|
---|
875 |
|
---|
876 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT >= 0x0600
|
---|
877 | // see if actually supported by Windows runtime dll
|
---|
878 | if (error(!create_symbolic_link_api,
|
---|
879 | error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()),
|
---|
880 | to, from, ec,
|
---|
881 | "boost::filesystem::create_directory_symlink"))
|
---|
882 | return;
|
---|
883 | # endif
|
---|
884 |
|
---|
885 | error(!BOOST_CREATE_SYMBOLIC_LINK(from.c_str(), to.c_str(), SYMBOLIC_LINK_FLAG_DIRECTORY),
|
---|
886 | to, from, ec, "boost::filesystem::create_directory_symlink");
|
---|
887 | # endif
|
---|
888 | }
|
---|
889 |
|
---|
890 | BOOST_FILESYSTEM_DECL
|
---|
891 | void create_hard_link(const path& to, const path& from, error_code* ec)
|
---|
892 | {
|
---|
893 |
|
---|
894 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT < 0x0500 // SDK earlier than Win 2K
|
---|
895 |
|
---|
896 | error(true, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()), to, from, ec,
|
---|
897 | "boost::filesystem::create_hard_link");
|
---|
898 | # else
|
---|
899 |
|
---|
900 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT >= 0x0500
|
---|
901 | // see if actually supported by Windows runtime dll
|
---|
902 | if (error(!create_hard_link_api,
|
---|
903 | error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()),
|
---|
904 | to, from, ec,
|
---|
905 | "boost::filesystem::create_hard_link"))
|
---|
906 | return;
|
---|
907 | # endif
|
---|
908 |
|
---|
909 | error(!BOOST_CREATE_HARD_LINK(from.c_str(), to.c_str()), to, from, ec,
|
---|
910 | "boost::filesystem::create_hard_link");
|
---|
911 | # endif
|
---|
912 | }
|
---|
913 |
|
---|
914 | BOOST_FILESYSTEM_DECL
|
---|
915 | void create_symlink(const path& to, const path& from, error_code* ec)
|
---|
916 | {
|
---|
917 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT < 0x0600 // SDK earlier than Vista and Server 2008
|
---|
918 | error(true, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()), to, from, ec,
|
---|
919 | "boost::filesystem::create_directory_symlink");
|
---|
920 | # else
|
---|
921 |
|
---|
922 | # if defined(BOOST_WINDOWS_API) && _WIN32_WINNT >= 0x0600
|
---|
923 | // see if actually supported by Windows runtime dll
|
---|
924 | if (error(!create_symbolic_link_api,
|
---|
925 | error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()),
|
---|
926 | to, from, ec,
|
---|
927 | "boost::filesystem::create_symlink"))
|
---|
928 | return;
|
---|
929 | # endif
|
---|
930 |
|
---|
931 | error(!BOOST_CREATE_SYMBOLIC_LINK(from.c_str(), to.c_str(), 0),
|
---|
932 | to, from, ec, "boost::filesystem::create_symlink");
|
---|
933 | # endif
|
---|
934 | }
|
---|
935 |
|
---|
936 | BOOST_FILESYSTEM_DECL
|
---|
937 | path current_path(error_code* ec)
|
---|
938 | {
|
---|
939 | # ifdef BOOST_POSIX_API
|
---|
940 | path cur;
|
---|
941 | for (long path_max = 128;; path_max *=2)// loop 'til buffer large enough
|
---|
942 | {
|
---|
943 | boost::scoped_array<char>
|
---|
944 | buf(new char[static_cast<std::size_t>(path_max)]);
|
---|
945 | if (::getcwd(buf.get(), static_cast<std::size_t>(path_max))== 0)
|
---|
946 | {
|
---|
947 | if (error(errno != ERANGE
|
---|
948 | // bug in some versions of the Metrowerks C lib on the Mac: wrong errno set
|
---|
949 | # if defined(__MSL__) && (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))
|
---|
950 | && errno != 0
|
---|
951 | # endif
|
---|
952 | , ec, "boost::filesystem::current_path"))
|
---|
953 | {
|
---|
954 | break;
|
---|
955 | }
|
---|
956 | }
|
---|
957 | else
|
---|
958 | {
|
---|
959 | cur = buf.get();
|
---|
960 | if (ec != 0) ec->clear();
|
---|
961 | break;
|
---|
962 | }
|
---|
963 | }
|
---|
964 | return cur;
|
---|
965 |
|
---|
966 | # else
|
---|
967 | DWORD sz;
|
---|
968 | if ((sz = ::GetCurrentDirectoryW(0, NULL))== 0)sz = 1;
|
---|
969 | boost::scoped_array<path::value_type> buf(new path::value_type[sz]);
|
---|
970 | error(::GetCurrentDirectoryW(sz, buf.get())== 0, ec,
|
---|
971 | "boost::filesystem::current_path");
|
---|
972 | return path(buf.get());
|
---|
973 | # endif
|
---|
974 | }
|
---|
975 |
|
---|
976 |
|
---|
977 | BOOST_FILESYSTEM_DECL
|
---|
978 | void current_path(const path& p, system::error_code* ec)
|
---|
979 | {
|
---|
980 | error(!BOOST_SET_CURRENT_DIRECTORY(p.c_str()),
|
---|
981 | p, ec, "boost::filesystem::current_path");
|
---|
982 | }
|
---|
983 |
|
---|
984 | BOOST_FILESYSTEM_DECL
|
---|
985 | bool equivalent(const path& p1, const path& p2, system::error_code* ec)
|
---|
986 | {
|
---|
987 | # ifdef BOOST_POSIX_API
|
---|
988 | struct stat s2;
|
---|
989 | int e2(::stat(p2.c_str(), &s2));
|
---|
990 | struct stat s1;
|
---|
991 | int e1(::stat(p1.c_str(), &s1));
|
---|
992 |
|
---|
993 | if (e1 != 0 || e2 != 0)
|
---|
994 | {
|
---|
995 | // if one is invalid and the other isn't then they aren't equivalent,
|
---|
996 | // but if both are invalid then it is an error
|
---|
997 | error (e1 != 0 && e2 != 0, p1, p2, ec, "boost::filesystem::equivalent");
|
---|
998 | return false;
|
---|
999 | }
|
---|
1000 |
|
---|
1001 | // both stats now known to be valid
|
---|
1002 | return s1.st_dev == s2.st_dev && s1.st_ino == s2.st_ino
|
---|
1003 | // According to the POSIX stat specs, "The st_ino and st_dev fields
|
---|
1004 | // taken together uniquely identify the file within the system."
|
---|
1005 | // Just to be sure, size and mod time are also checked.
|
---|
1006 | && s1.st_size == s2.st_size && s1.st_mtime == s2.st_mtime;
|
---|
1007 |
|
---|
1008 | # else // Windows
|
---|
1009 |
|
---|
1010 | // Note well: Physical location on external media is part of the
|
---|
1011 | // equivalence criteria. If there are no open handles, physical location
|
---|
1012 | // can change due to defragmentation or other relocations. Thus handles
|
---|
1013 | // must be held open until location information for both paths has
|
---|
1014 | // been retrieved.
|
---|
1015 |
|
---|
1016 | // p2 is done first, so any error reported is for p1
|
---|
1017 | handle_wrapper h2(
|
---|
1018 | create_file_handle(
|
---|
1019 | p2.c_str(),
|
---|
1020 | 0,
|
---|
1021 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
---|
1022 | 0,
|
---|
1023 | OPEN_EXISTING,
|
---|
1024 | FILE_FLAG_BACKUP_SEMANTICS,
|
---|
1025 | 0));
|
---|
1026 |
|
---|
1027 | handle_wrapper h1(
|
---|
1028 | create_file_handle(
|
---|
1029 | p1.c_str(),
|
---|
1030 | 0,
|
---|
1031 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
---|
1032 | 0,
|
---|
1033 | OPEN_EXISTING,
|
---|
1034 | FILE_FLAG_BACKUP_SEMANTICS,
|
---|
1035 | 0));
|
---|
1036 |
|
---|
1037 | if (h1.handle == INVALID_HANDLE_VALUE
|
---|
1038 | || h2.handle == INVALID_HANDLE_VALUE)
|
---|
1039 | {
|
---|
1040 | // if one is invalid and the other isn't, then they aren't equivalent,
|
---|
1041 | // but if both are invalid then it is an error
|
---|
1042 | error(h1.handle == INVALID_HANDLE_VALUE
|
---|
1043 | && h2.handle == INVALID_HANDLE_VALUE, p1, p2, ec,
|
---|
1044 | "boost::filesystem::equivalent");
|
---|
1045 | return false;
|
---|
1046 | }
|
---|
1047 |
|
---|
1048 | // at this point, both handles are known to be valid
|
---|
1049 |
|
---|
1050 | BY_HANDLE_FILE_INFORMATION info1, info2;
|
---|
1051 |
|
---|
1052 | if (error(!::GetFileInformationByHandle(h1.handle, &info1),
|
---|
1053 | p1, p2, ec, "boost::filesystem::equivalent"))
|
---|
1054 | return false;
|
---|
1055 |
|
---|
1056 | if (error(!::GetFileInformationByHandle(h2.handle, &info2),
|
---|
1057 | p1, p2, ec, "boost::filesystem::equivalent"))
|
---|
1058 | return false;
|
---|
1059 |
|
---|
1060 | // In theory, volume serial numbers are sufficient to distinguish between
|
---|
1061 | // devices, but in practice VSN's are sometimes duplicated, so last write
|
---|
1062 | // time and file size are also checked.
|
---|
1063 | return
|
---|
1064 | info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber
|
---|
1065 | && info1.nFileIndexHigh == info2.nFileIndexHigh
|
---|
1066 | && info1.nFileIndexLow == info2.nFileIndexLow
|
---|
1067 | && info1.nFileSizeHigh == info2.nFileSizeHigh
|
---|
1068 | && info1.nFileSizeLow == info2.nFileSizeLow
|
---|
1069 | && info1.ftLastWriteTime.dwLowDateTime
|
---|
1070 | == info2.ftLastWriteTime.dwLowDateTime
|
---|
1071 | && info1.ftLastWriteTime.dwHighDateTime
|
---|
1072 | == info2.ftLastWriteTime.dwHighDateTime;
|
---|
1073 |
|
---|
1074 | # endif
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | BOOST_FILESYSTEM_DECL
|
---|
1078 | boost::uintmax_t file_size(const path& p, error_code* ec)
|
---|
1079 | {
|
---|
1080 | # ifdef BOOST_POSIX_API
|
---|
1081 |
|
---|
1082 | struct stat path_stat;
|
---|
1083 | if (error(::stat(p.c_str(), &path_stat)!= 0,
|
---|
1084 | p, ec, "boost::filesystem::file_size"))
|
---|
1085 | return static_cast<boost::uintmax_t>(-1);
|
---|
1086 | if (error(!S_ISREG(path_stat.st_mode),
|
---|
1087 | error_code(EPERM, system_category()),
|
---|
1088 | p, ec, "boost::filesystem::file_size"))
|
---|
1089 | return static_cast<boost::uintmax_t>(-1);
|
---|
1090 |
|
---|
1091 | return static_cast<boost::uintmax_t>(path_stat.st_size);
|
---|
1092 |
|
---|
1093 | # else // Windows
|
---|
1094 |
|
---|
1095 | // assume uintmax_t is 64-bits on all Windows compilers
|
---|
1096 |
|
---|
1097 | WIN32_FILE_ATTRIBUTE_DATA fad;
|
---|
1098 |
|
---|
1099 | if (error(::GetFileAttributesExW(p.c_str(), ::GetFileExInfoStandard, &fad)== 0,
|
---|
1100 | p, ec, "boost::filesystem::file_size"))
|
---|
1101 | return static_cast<boost::uintmax_t>(-1);
|
---|
1102 |
|
---|
1103 | if (error((fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)!= 0,
|
---|
1104 | error_code(ERROR_NOT_SUPPORTED, system_category()),
|
---|
1105 | p, ec, "boost::filesystem::file_size"))
|
---|
1106 | return static_cast<boost::uintmax_t>(-1);
|
---|
1107 |
|
---|
1108 | return (static_cast<boost::uintmax_t>(fad.nFileSizeHigh)
|
---|
1109 | << (sizeof(fad.nFileSizeLow)*8)) + fad.nFileSizeLow;
|
---|
1110 | # endif
|
---|
1111 | }
|
---|
1112 |
|
---|
1113 | BOOST_FILESYSTEM_DECL
|
---|
1114 | boost::uintmax_t hard_link_count(const path& p, system::error_code* ec)
|
---|
1115 | {
|
---|
1116 | # ifdef BOOST_POSIX_API
|
---|
1117 |
|
---|
1118 | struct stat path_stat;
|
---|
1119 | return error(::stat(p.c_str(), &path_stat)!= 0,
|
---|
1120 | p, ec, "boost::filesystem::hard_link_count")
|
---|
1121 | ? 0
|
---|
1122 | : static_cast<boost::uintmax_t>(path_stat.st_nlink);
|
---|
1123 |
|
---|
1124 | # else // Windows
|
---|
1125 |
|
---|
1126 | // Link count info is only available through GetFileInformationByHandle
|
---|
1127 | BY_HANDLE_FILE_INFORMATION info;
|
---|
1128 | handle_wrapper h(
|
---|
1129 | create_file_handle(p.c_str(), 0,
|
---|
1130 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0,
|
---|
1131 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0));
|
---|
1132 | return
|
---|
1133 | !error(h.handle == INVALID_HANDLE_VALUE,
|
---|
1134 | p, ec, "boost::filesystem::hard_link_count")
|
---|
1135 | && !error(::GetFileInformationByHandle(h.handle, &info)== 0,
|
---|
1136 | p, ec, "boost::filesystem::hard_link_count")
|
---|
1137 | ? info.nNumberOfLinks
|
---|
1138 | : 0;
|
---|
1139 | # endif
|
---|
1140 | }
|
---|
1141 |
|
---|
1142 | BOOST_FILESYSTEM_DECL
|
---|
1143 | path initial_path(error_code* ec)
|
---|
1144 | {
|
---|
1145 | static path init_path;
|
---|
1146 | if (init_path.empty())
|
---|
1147 | init_path = current_path(ec);
|
---|
1148 | else if (ec != 0) ec->clear();
|
---|
1149 | return init_path;
|
---|
1150 | }
|
---|
1151 |
|
---|
1152 | BOOST_FILESYSTEM_DECL
|
---|
1153 | bool is_empty(const path& p, system::error_code* ec)
|
---|
1154 | {
|
---|
1155 | # ifdef BOOST_POSIX_API
|
---|
1156 |
|
---|
1157 | struct stat path_stat;
|
---|
1158 | if (error(::stat(p.c_str(), &path_stat)!= 0,
|
---|
1159 | p, ec, "boost::filesystem::is_empty"))
|
---|
1160 | return false;
|
---|
1161 | return S_ISDIR(path_stat.st_mode)
|
---|
1162 | ? is_empty_directory(p)
|
---|
1163 | : path_stat.st_size == 0;
|
---|
1164 | # else
|
---|
1165 |
|
---|
1166 | WIN32_FILE_ATTRIBUTE_DATA fad;
|
---|
1167 | if (error(::GetFileAttributesExW(p.c_str(), ::GetFileExInfoStandard, &fad)== 0,
|
---|
1168 | p, ec, "boost::filesystem::is_empty"))
|
---|
1169 | return false;
|
---|
1170 |
|
---|
1171 | if (ec != 0) ec->clear();
|
---|
1172 | return
|
---|
1173 | (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
---|
1174 | ? is_empty_directory(p)
|
---|
1175 | : (!fad.nFileSizeHigh && !fad.nFileSizeLow);
|
---|
1176 | # endif
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | BOOST_FILESYSTEM_DECL
|
---|
1180 | std::time_t last_write_time(const path& p, system::error_code* ec)
|
---|
1181 | {
|
---|
1182 | # ifdef BOOST_POSIX_API
|
---|
1183 |
|
---|
1184 | struct stat path_stat;
|
---|
1185 | if (error(::stat(p.c_str(), &path_stat)!= 0,
|
---|
1186 | p, ec, "boost::filesystem::last_write_time"))
|
---|
1187 | return std::time_t(-1);
|
---|
1188 | return path_stat.st_mtime;
|
---|
1189 |
|
---|
1190 | # else
|
---|
1191 |
|
---|
1192 | handle_wrapper hw(
|
---|
1193 | create_file_handle(p.c_str(), 0,
|
---|
1194 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0,
|
---|
1195 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0));
|
---|
1196 |
|
---|
1197 | if (error(hw.handle == INVALID_HANDLE_VALUE,
|
---|
1198 | p, ec, "boost::filesystem::last_write_time"))
|
---|
1199 | return std::time_t(-1);
|
---|
1200 |
|
---|
1201 | FILETIME lwt;
|
---|
1202 |
|
---|
1203 | if (error(::GetFileTime(hw.handle, 0, 0, &lwt)== 0,
|
---|
1204 | p, ec, "boost::filesystem::last_write_time"))
|
---|
1205 | return std::time_t(-1);
|
---|
1206 |
|
---|
1207 | return to_time_t(lwt);
|
---|
1208 | # endif
|
---|
1209 | }
|
---|
1210 |
|
---|
1211 | BOOST_FILESYSTEM_DECL
|
---|
1212 | void last_write_time(const path& p, const std::time_t new_time,
|
---|
1213 | system::error_code* ec)
|
---|
1214 | {
|
---|
1215 | # ifdef BOOST_POSIX_API
|
---|
1216 |
|
---|
1217 | struct stat path_stat;
|
---|
1218 | if (error(::stat(p.c_str(), &path_stat)!= 0,
|
---|
1219 | p, ec, "boost::filesystem::last_write_time"))
|
---|
1220 | return;
|
---|
1221 | ::utimbuf buf;
|
---|
1222 | buf.actime = path_stat.st_atime; // utime()updates access time too:-(
|
---|
1223 | buf.modtime = new_time;
|
---|
1224 | error(::utime(p.c_str(), &buf)!= 0,
|
---|
1225 | p, ec, "boost::filesystem::last_write_time");
|
---|
1226 |
|
---|
1227 | # else
|
---|
1228 |
|
---|
1229 | handle_wrapper hw(
|
---|
1230 | create_file_handle(p.c_str(), FILE_WRITE_ATTRIBUTES,
|
---|
1231 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0,
|
---|
1232 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0));
|
---|
1233 |
|
---|
1234 | if (error(hw.handle == INVALID_HANDLE_VALUE,
|
---|
1235 | p, ec, "boost::filesystem::last_write_time"))
|
---|
1236 | return;
|
---|
1237 |
|
---|
1238 | FILETIME lwt;
|
---|
1239 | to_FILETIME(new_time, lwt);
|
---|
1240 |
|
---|
1241 | error(::SetFileTime(hw.handle, 0, 0, &lwt)== 0,
|
---|
1242 | p, ec, "boost::filesystem::last_write_time");
|
---|
1243 | # endif
|
---|
1244 | }
|
---|
1245 |
|
---|
1246 | BOOST_FILESYSTEM_DECL
|
---|
1247 | path read_symlink(const path& p, system::error_code* ec)
|
---|
1248 | {
|
---|
1249 | path symlink_path;
|
---|
1250 |
|
---|
1251 | # ifdef BOOST_POSIX_API
|
---|
1252 |
|
---|
1253 | for (std::size_t path_max = 64;; path_max *= 2)// loop 'til buffer large enough
|
---|
1254 | {
|
---|
1255 | boost::scoped_array<char> buf(new char[path_max]);
|
---|
1256 | ssize_t result;
|
---|
1257 | if ((result=::readlink(p.c_str(), buf.get(), path_max))== -1)
|
---|
1258 | {
|
---|
1259 | if (ec == 0)
|
---|
1260 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::read_symlink",
|
---|
1261 | p, error_code(errno, system_category())));
|
---|
1262 | else ec->assign(errno, system_category());
|
---|
1263 | break;
|
---|
1264 | }
|
---|
1265 | else
|
---|
1266 | {
|
---|
1267 | if(result != static_cast<ssize_t>(path_max))
|
---|
1268 | {
|
---|
1269 | symlink_path.assign(buf.get(), buf.get() + result);
|
---|
1270 | if (ec != 0) ec->clear();
|
---|
1271 | break;
|
---|
1272 | }
|
---|
1273 | }
|
---|
1274 | }
|
---|
1275 |
|
---|
1276 | # elif _WIN32_WINNT < 0x0600 // SDK earlier than Vista and Server 2008
|
---|
1277 | error(true, error_code(BOOST_ERROR_NOT_SUPPORTED, system_category()), p, ec,
|
---|
1278 | "boost::filesystem::read_symlink");
|
---|
1279 | # else // Vista and Server 2008 SDK, or later
|
---|
1280 |
|
---|
1281 | union info_t
|
---|
1282 | {
|
---|
1283 | char buf[REPARSE_DATA_BUFFER_HEADER_SIZE+MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
|
---|
1284 | REPARSE_DATA_BUFFER rdb;
|
---|
1285 | } info;
|
---|
1286 |
|
---|
1287 | handle_wrapper h(
|
---|
1288 | create_file_handle(p.c_str(), GENERIC_READ, 0, 0, OPEN_EXISTING,
|
---|
1289 | FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, 0));
|
---|
1290 |
|
---|
1291 | if (error(h.handle == INVALID_HANDLE_VALUE, p, ec, "boost::filesystem::read_symlink"))
|
---|
1292 | return symlink_path;
|
---|
1293 |
|
---|
1294 | DWORD sz;
|
---|
1295 |
|
---|
1296 | if (!error(::DeviceIoControl(h.handle, FSCTL_GET_REPARSE_POINT,
|
---|
1297 | 0, 0, info.buf, sizeof(info), &sz, 0) == 0, p, ec,
|
---|
1298 | "boost::filesystem::read_symlink" ))
|
---|
1299 | symlink_path.assign(
|
---|
1300 | static_cast<wchar_t*>(info.rdb.SymbolicLinkReparseBuffer.PathBuffer)
|
---|
1301 | + info.rdb.SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(wchar_t),
|
---|
1302 | static_cast<wchar_t*>(info.rdb.SymbolicLinkReparseBuffer.PathBuffer)
|
---|
1303 | + info.rdb.SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(wchar_t)
|
---|
1304 | + info.rdb.SymbolicLinkReparseBuffer.PrintNameLength/sizeof(wchar_t));
|
---|
1305 | # endif
|
---|
1306 | return symlink_path;
|
---|
1307 | }
|
---|
1308 |
|
---|
1309 | BOOST_FILESYSTEM_DECL
|
---|
1310 | bool remove(const path& p, error_code* ec)
|
---|
1311 | {
|
---|
1312 | error_code tmp_ec;
|
---|
1313 | file_type type = query_file_type(p, &tmp_ec);
|
---|
1314 | if (error(type == status_error, tmp_ec, p, ec,
|
---|
1315 | "boost::filesystem::remove"))
|
---|
1316 | return false;
|
---|
1317 |
|
---|
1318 | // Since POSIX remove() is specified to work with either files or directories, in a
|
---|
1319 | // perfect world it could just be called. But some important real-world operating
|
---|
1320 | // systems (Windows, Mac OS X, for example) don't implement the POSIX spec. So
|
---|
1321 | // remove_file_or_directory() is always called to kep it simple.
|
---|
1322 | return remove_file_or_directory(p, type, ec);
|
---|
1323 | }
|
---|
1324 |
|
---|
1325 | BOOST_FILESYSTEM_DECL
|
---|
1326 | boost::uintmax_t remove_all(const path& p, error_code* ec)
|
---|
1327 | {
|
---|
1328 | error_code tmp_ec;
|
---|
1329 | file_type type = query_file_type(p, &tmp_ec);
|
---|
1330 | if (error(type == status_error, tmp_ec, p, ec,
|
---|
1331 | "boost::filesystem::remove_all"))
|
---|
1332 | return 0;
|
---|
1333 |
|
---|
1334 | return (type != status_error && type != file_not_found) // exists
|
---|
1335 | ? remove_all_aux(p, type, ec)
|
---|
1336 | : 0;
|
---|
1337 | }
|
---|
1338 |
|
---|
1339 | BOOST_FILESYSTEM_DECL
|
---|
1340 | void rename(const path& old_p, const path& new_p, error_code* ec)
|
---|
1341 | {
|
---|
1342 | error(!BOOST_MOVE_FILE(old_p.c_str(), new_p.c_str()), old_p, new_p, ec,
|
---|
1343 | "boost::filesystem::rename");
|
---|
1344 | }
|
---|
1345 |
|
---|
1346 | BOOST_FILESYSTEM_DECL
|
---|
1347 | void resize_file(const path& p, uintmax_t size, system::error_code* ec)
|
---|
1348 | {
|
---|
1349 | error(!BOOST_RESIZE_FILE(p.c_str(), size), p, ec, "boost::filesystem::resize_file");
|
---|
1350 | }
|
---|
1351 |
|
---|
1352 | BOOST_FILESYSTEM_DECL
|
---|
1353 | space_info space(const path& p, error_code* ec)
|
---|
1354 | {
|
---|
1355 | # ifdef BOOST_POSIX_API
|
---|
1356 | struct BOOST_STATVFS vfs;
|
---|
1357 | space_info info;
|
---|
1358 | if (!error(::BOOST_STATVFS(p.c_str(), &vfs)!= 0,
|
---|
1359 | p, ec, "boost::filesystem::space"))
|
---|
1360 | {
|
---|
1361 | info.capacity
|
---|
1362 | = static_cast<boost::uintmax_t>(vfs.f_blocks)* BOOST_STATVFS_F_FRSIZE;
|
---|
1363 | info.free
|
---|
1364 | = static_cast<boost::uintmax_t>(vfs.f_bfree)* BOOST_STATVFS_F_FRSIZE;
|
---|
1365 | info.available
|
---|
1366 | = static_cast<boost::uintmax_t>(vfs.f_bavail)* BOOST_STATVFS_F_FRSIZE;
|
---|
1367 | }
|
---|
1368 |
|
---|
1369 | # else
|
---|
1370 | ULARGE_INTEGER avail, total, free;
|
---|
1371 | space_info info;
|
---|
1372 |
|
---|
1373 | if (!error(::GetDiskFreeSpaceExW(p.c_str(), &avail, &total, &free)== 0,
|
---|
1374 | p, ec, "boost::filesystem::space"))
|
---|
1375 | {
|
---|
1376 | info.capacity
|
---|
1377 | = (static_cast<boost::uintmax_t>(total.HighPart)<< 32)
|
---|
1378 | + total.LowPart;
|
---|
1379 | info.free
|
---|
1380 | = (static_cast<boost::uintmax_t>(free.HighPart)<< 32)
|
---|
1381 | + free.LowPart;
|
---|
1382 | info.available
|
---|
1383 | = (static_cast<boost::uintmax_t>(avail.HighPart)<< 32)
|
---|
1384 | + avail.LowPart;
|
---|
1385 | }
|
---|
1386 |
|
---|
1387 | # endif
|
---|
1388 |
|
---|
1389 | else
|
---|
1390 | {
|
---|
1391 | info.capacity = info.free = info.available = 0;
|
---|
1392 | }
|
---|
1393 | return info;
|
---|
1394 | }
|
---|
1395 |
|
---|
1396 | BOOST_FILESYSTEM_DECL
|
---|
1397 | file_status status(const path& p, error_code* ec)
|
---|
1398 | {
|
---|
1399 | # ifdef BOOST_POSIX_API
|
---|
1400 |
|
---|
1401 | struct stat path_stat;
|
---|
1402 | if (::stat(p.c_str(), &path_stat)!= 0)
|
---|
1403 | {
|
---|
1404 | if (ec != 0) // always report errno, even though some
|
---|
1405 | ec->assign(errno, system_category()); // errno values are not status_errors
|
---|
1406 |
|
---|
1407 | if (not_found_error(errno))
|
---|
1408 | {
|
---|
1409 | return fs::file_status(fs::file_not_found);
|
---|
1410 | }
|
---|
1411 | if (ec == 0)
|
---|
1412 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::status",
|
---|
1413 | p, error_code(errno, system_category())));
|
---|
1414 | return fs::file_status(fs::status_error);
|
---|
1415 | }
|
---|
1416 | if (ec != 0) ec->clear();;
|
---|
1417 | if (S_ISDIR(path_stat.st_mode))
|
---|
1418 | return fs::file_status(fs::directory_file);
|
---|
1419 | if (S_ISREG(path_stat.st_mode))
|
---|
1420 | return fs::file_status(fs::regular_file);
|
---|
1421 | if (S_ISBLK(path_stat.st_mode))
|
---|
1422 | return fs::file_status(fs::block_file);
|
---|
1423 | if (S_ISCHR(path_stat.st_mode))
|
---|
1424 | return fs::file_status(fs::character_file);
|
---|
1425 | if (S_ISFIFO(path_stat.st_mode))
|
---|
1426 | return fs::file_status(fs::fifo_file);
|
---|
1427 | if (S_ISSOCK(path_stat.st_mode))
|
---|
1428 | return fs::file_status(fs::socket_file);
|
---|
1429 | return fs::file_status(fs::type_unknown);
|
---|
1430 |
|
---|
1431 | # else // Windows
|
---|
1432 |
|
---|
1433 | DWORD attr(::GetFileAttributesW(p.c_str()));
|
---|
1434 | if (attr == 0xFFFFFFFF)
|
---|
1435 | {
|
---|
1436 | return process_status_failure(p, ec);
|
---|
1437 | }
|
---|
1438 |
|
---|
1439 | // reparse point handling
|
---|
1440 | if (attr & FILE_ATTRIBUTE_REPARSE_POINT)
|
---|
1441 | {
|
---|
1442 | handle_wrapper h(
|
---|
1443 | create_file_handle(
|
---|
1444 | p.c_str(),
|
---|
1445 | 0, // dwDesiredAccess; attributes only
|
---|
1446 | FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
|
---|
1447 | 0, // lpSecurityAttributes
|
---|
1448 | OPEN_EXISTING,
|
---|
1449 | FILE_FLAG_BACKUP_SEMANTICS,
|
---|
1450 | 0)); // hTemplateFile
|
---|
1451 | if (h.handle == INVALID_HANDLE_VALUE)
|
---|
1452 | {
|
---|
1453 | return process_status_failure(p, ec);
|
---|
1454 | }
|
---|
1455 |
|
---|
1456 | if (!is_reparse_point_a_symlink(p))
|
---|
1457 | return file_status(reparse_file);
|
---|
1458 | }
|
---|
1459 |
|
---|
1460 | if (ec != 0) ec->clear();
|
---|
1461 | return (attr & FILE_ATTRIBUTE_DIRECTORY)
|
---|
1462 | ? file_status(directory_file)
|
---|
1463 | : file_status(regular_file);
|
---|
1464 |
|
---|
1465 | # endif
|
---|
1466 | }
|
---|
1467 |
|
---|
1468 | BOOST_FILESYSTEM_DECL
|
---|
1469 | file_status symlink_status(const path& p, error_code* ec)
|
---|
1470 | {
|
---|
1471 | # ifdef BOOST_POSIX_API
|
---|
1472 |
|
---|
1473 | struct stat path_stat;
|
---|
1474 | if (::lstat(p.c_str(), &path_stat)!= 0)
|
---|
1475 | {
|
---|
1476 | if (ec != 0) // always report errno, even though some
|
---|
1477 | ec->assign(errno, system_category()); // errno values are not status_errors
|
---|
1478 |
|
---|
1479 | if (errno == ENOENT || errno == ENOTDIR) // these are not errors
|
---|
1480 | {
|
---|
1481 | return fs::file_status(fs::file_not_found);
|
---|
1482 | }
|
---|
1483 | if (ec == 0)
|
---|
1484 | BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::status",
|
---|
1485 | p, error_code(errno, system_category())));
|
---|
1486 | return fs::file_status(fs::status_error);
|
---|
1487 | }
|
---|
1488 | if (ec != 0) ec->clear();
|
---|
1489 | if (S_ISREG(path_stat.st_mode))
|
---|
1490 | return fs::file_status(fs::regular_file);
|
---|
1491 | if (S_ISDIR(path_stat.st_mode))
|
---|
1492 | return fs::file_status(fs::directory_file);
|
---|
1493 | if (S_ISLNK(path_stat.st_mode))
|
---|
1494 | return fs::file_status(fs::symlink_file);
|
---|
1495 | if (S_ISBLK(path_stat.st_mode))
|
---|
1496 | return fs::file_status(fs::block_file);
|
---|
1497 | if (S_ISCHR(path_stat.st_mode))
|
---|
1498 | return fs::file_status(fs::character_file);
|
---|
1499 | if (S_ISFIFO(path_stat.st_mode))
|
---|
1500 | return fs::file_status(fs::fifo_file);
|
---|
1501 | if (S_ISSOCK(path_stat.st_mode))
|
---|
1502 | return fs::file_status(fs::socket_file);
|
---|
1503 | return fs::file_status(fs::type_unknown);
|
---|
1504 |
|
---|
1505 | # else // Windows
|
---|
1506 |
|
---|
1507 | DWORD attr(::GetFileAttributesW(p.c_str()));
|
---|
1508 | if (attr == 0xFFFFFFFF)
|
---|
1509 | {
|
---|
1510 | return process_status_failure(p, ec);
|
---|
1511 | }
|
---|
1512 |
|
---|
1513 | if (ec != 0) ec->clear();
|
---|
1514 |
|
---|
1515 | if (attr & FILE_ATTRIBUTE_REPARSE_POINT)
|
---|
1516 | return is_reparse_point_a_symlink(p)
|
---|
1517 | ? file_status(symlink_file)
|
---|
1518 | : file_status(reparse_file);
|
---|
1519 |
|
---|
1520 | return (attr & FILE_ATTRIBUTE_DIRECTORY)
|
---|
1521 | ? file_status(directory_file)
|
---|
1522 | : file_status(regular_file);
|
---|
1523 |
|
---|
1524 | # endif
|
---|
1525 | }
|
---|
1526 |
|
---|
1527 | // contributed by Jeff Flinn
|
---|
1528 | BOOST_FILESYSTEM_DECL
|
---|
1529 | path temp_directory_path(system::error_code* ec)
|
---|
1530 | {
|
---|
1531 | # ifdef BOOST_POSIX_API
|
---|
1532 | const char* val = 0;
|
---|
1533 |
|
---|
1534 | (val = std::getenv("TMPDIR" )) ||
|
---|
1535 | (val = std::getenv("TMP" )) ||
|
---|
1536 | (val = std::getenv("TEMP" )) ||
|
---|
1537 | (val = std::getenv("TEMPDIR"));
|
---|
1538 |
|
---|
1539 | path p((val!=0) ? val : "/tmp");
|
---|
1540 |
|
---|
1541 | if (p.empty() || (ec&&!is_directory(p, *ec))||(!ec&&!is_directory(p)))
|
---|
1542 | {
|
---|
1543 | errno = ENOTDIR;
|
---|
1544 | error(true, p, ec, "boost::filesystem::temp_directory_path");
|
---|
1545 | return p;
|
---|
1546 | }
|
---|
1547 |
|
---|
1548 | return p;
|
---|
1549 |
|
---|
1550 | # else // Windows
|
---|
1551 |
|
---|
1552 | std::vector<path::value_type> buf(GetTempPathW(0, NULL));
|
---|
1553 |
|
---|
1554 | if (buf.empty() || GetTempPathW(buf.size(), &buf[0])==0)
|
---|
1555 | {
|
---|
1556 | if(!buf.empty()) ::SetLastError(ENOTDIR);
|
---|
1557 | error(true, ec, "boost::filesystem::temp_directory_path");
|
---|
1558 | return path();
|
---|
1559 | }
|
---|
1560 |
|
---|
1561 | buf.pop_back();
|
---|
1562 |
|
---|
1563 | path p(buf.begin(), buf.end());
|
---|
1564 |
|
---|
1565 | if ((ec&&!is_directory(p, *ec))||(!ec&&!is_directory(p)))
|
---|
1566 | {
|
---|
1567 | ::SetLastError(ENOTDIR);
|
---|
1568 | error(true, p, ec, "boost::filesystem::temp_directory_path");
|
---|
1569 | return path();
|
---|
1570 | }
|
---|
1571 |
|
---|
1572 | return p;
|
---|
1573 | # endif
|
---|
1574 | }
|
---|
1575 |
|
---|
1576 | BOOST_FILESYSTEM_DECL
|
---|
1577 | path system_complete(const path& p, system::error_code* ec)
|
---|
1578 | {
|
---|
1579 | # ifdef BOOST_POSIX_API
|
---|
1580 | return (p.empty() || p.is_absolute())
|
---|
1581 | ? p : current_path()/ p;
|
---|
1582 |
|
---|
1583 | # else
|
---|
1584 | if (p.empty())
|
---|
1585 | {
|
---|
1586 | if (ec != 0) ec->clear();
|
---|
1587 | return p;
|
---|
1588 | }
|
---|
1589 | wchar_t buf[buf_size];
|
---|
1590 | wchar_t* pfn;
|
---|
1591 | std::size_t len = get_full_path_name(p, buf_size, buf, &pfn);
|
---|
1592 |
|
---|
1593 | if (error(len == 0, p, ec, "boost::filesystem::system_complete"))
|
---|
1594 | return path();
|
---|
1595 |
|
---|
1596 | if (len < buf_size)// len does not include null termination character
|
---|
1597 | return path(&buf[0]);
|
---|
1598 |
|
---|
1599 | boost::scoped_array<wchar_t> big_buf(new wchar_t[len]);
|
---|
1600 |
|
---|
1601 | return error(get_full_path_name(p, len , big_buf.get(), &pfn)== 0,
|
---|
1602 | p, ec, "boost::filesystem::system_complete")
|
---|
1603 | ? path()
|
---|
1604 | : path(big_buf.get());
|
---|
1605 | # endif
|
---|
1606 | }
|
---|
1607 |
|
---|
1608 | } // namespace detail
|
---|
1609 |
|
---|
1610 | //--------------------------------------------------------------------------------------//
|
---|
1611 | // //
|
---|
1612 | // directory_entry //
|
---|
1613 | // //
|
---|
1614 | //--------------------------------------------------------------------------------------//
|
---|
1615 |
|
---|
1616 | file_status
|
---|
1617 | directory_entry::m_get_status(system::error_code* ec) const
|
---|
1618 | {
|
---|
1619 | if (!status_known(m_status))
|
---|
1620 | {
|
---|
1621 | // optimization: if the symlink status is known, and it isn't a symlink,
|
---|
1622 | // then status and symlink_status are identical so just copy the
|
---|
1623 | // symlink status to the regular status.
|
---|
1624 | if (status_known(m_symlink_status)
|
---|
1625 | && !is_symlink(m_symlink_status))
|
---|
1626 | {
|
---|
1627 | m_status = m_symlink_status;
|
---|
1628 | if (ec != 0) ec->clear();
|
---|
1629 | }
|
---|
1630 | else m_status = detail::status(m_path, ec);
|
---|
1631 | }
|
---|
1632 | else if (ec != 0) ec->clear();
|
---|
1633 | return m_status;
|
---|
1634 | }
|
---|
1635 |
|
---|
1636 | file_status
|
---|
1637 | directory_entry::m_get_symlink_status(system::error_code* ec) const
|
---|
1638 | {
|
---|
1639 | if (!status_known(m_symlink_status))
|
---|
1640 | m_symlink_status = detail::symlink_status(m_path, ec);
|
---|
1641 | else if (ec != 0) ec->clear();
|
---|
1642 | return m_symlink_status;
|
---|
1643 | }
|
---|
1644 |
|
---|
1645 | // dispatch directory_entry supplied here rather than in
|
---|
1646 | // <boost/filesystem/path_traits.hpp>, thus avoiding header circularity.
|
---|
1647 | // test cases are in operations_unit_test.cpp
|
---|
1648 |
|
---|
1649 | namespace path_traits
|
---|
1650 | {
|
---|
1651 | void dispatch(const directory_entry & de,
|
---|
1652 | # ifdef BOOST_WINDOWS_API
|
---|
1653 | std::wstring& to,
|
---|
1654 | # else
|
---|
1655 | std::string& to,
|
---|
1656 | # endif
|
---|
1657 | const codecvt_type &)
|
---|
1658 | {
|
---|
1659 | to = de.path().native();
|
---|
1660 | }
|
---|
1661 |
|
---|
1662 | } // namespace path_traits
|
---|
1663 | } // namespace filesystem3
|
---|
1664 | } // namespace boost
|
---|
1665 |
|
---|
1666 | //--------------------------------------------------------------------------------------//
|
---|
1667 | // //
|
---|
1668 | // directory_iterator //
|
---|
1669 | // //
|
---|
1670 | //--------------------------------------------------------------------------------------//
|
---|
1671 |
|
---|
1672 | namespace
|
---|
1673 | {
|
---|
1674 | # ifdef BOOST_POSIX_API
|
---|
1675 |
|
---|
1676 | error_code path_max(std::size_t & result)
|
---|
1677 | // this code is based on Stevens and Rago, Advanced Programming in the
|
---|
1678 | // UNIX envirnment, 2nd Ed., ISBN 0-201-43307-9, page 49
|
---|
1679 | {
|
---|
1680 | # ifdef PATH_MAX
|
---|
1681 | static std::size_t max = PATH_MAX;
|
---|
1682 | # else
|
---|
1683 | static std::size_t max = 0;
|
---|
1684 | # endif
|
---|
1685 | if (max == 0)
|
---|
1686 | {
|
---|
1687 | errno = 0;
|
---|
1688 | long tmp = ::pathconf("/", _PC_NAME_MAX);
|
---|
1689 | if (tmp < 0)
|
---|
1690 | {
|
---|
1691 | if (errno == 0)// indeterminate
|
---|
1692 | max = 4096; // guess
|
---|
1693 | else return error_code(errno, system_category());
|
---|
1694 | }
|
---|
1695 | else max = static_cast<std::size_t>(tmp + 1); // relative root
|
---|
1696 | }
|
---|
1697 | result = max;
|
---|
1698 | return ok;
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | error_code dir_itr_first(void *& handle, void *& buffer,
|
---|
1702 | const char* dir, string& target,
|
---|
1703 | fs::file_status &, fs::file_status &)
|
---|
1704 | {
|
---|
1705 | if ((handle = ::opendir(dir))== 0)
|
---|
1706 | return error_code(errno, system_category());
|
---|
1707 | target = string("."); // string was static but caused trouble
|
---|
1708 | // when iteration called from dtor, after
|
---|
1709 | // static had already been destroyed
|
---|
1710 | std::size_t path_size (0); // initialization quiets gcc warning (ticket #3509)
|
---|
1711 | error_code ec = path_max(path_size);
|
---|
1712 | if (ec)return ec;
|
---|
1713 | dirent de;
|
---|
1714 | buffer = std::malloc((sizeof(dirent) - sizeof(de.d_name))
|
---|
1715 | + path_size + 1); // + 1 for "/0"
|
---|
1716 | return ok;
|
---|
1717 | }
|
---|
1718 |
|
---|
1719 | // warning: the only dirent member updated is d_name
|
---|
1720 | inline int readdir_r_simulator(DIR * dirp, struct dirent * entry,
|
---|
1721 | struct dirent ** result)// *result set to 0 on end of directory
|
---|
1722 | {
|
---|
1723 | errno = 0;
|
---|
1724 |
|
---|
1725 | # if !defined(__CYGWIN__)\
|
---|
1726 | && defined(_POSIX_THREAD_SAFE_FUNCTIONS)\
|
---|
1727 | && defined(_SC_THREAD_SAFE_FUNCTIONS)\
|
---|
1728 | && (_POSIX_THREAD_SAFE_FUNCTIONS+0 >= 0)\
|
---|
1729 | && (!defined(__hpux) || defined(_REENTRANT)) \
|
---|
1730 | && (!defined(_AIX) || defined(__THREAD_SAFE))
|
---|
1731 | if (::sysconf(_SC_THREAD_SAFE_FUNCTIONS)>= 0)
|
---|
1732 | { return ::readdir_r(dirp, entry, result); }
|
---|
1733 | # endif
|
---|
1734 |
|
---|
1735 | struct dirent * p;
|
---|
1736 | *result = 0;
|
---|
1737 | if ((p = ::readdir(dirp))== 0)
|
---|
1738 | return errno;
|
---|
1739 | std::strcpy(entry->d_name, p->d_name);
|
---|
1740 | *result = entry;
|
---|
1741 | return 0;
|
---|
1742 | }
|
---|
1743 |
|
---|
1744 | error_code dir_itr_increment(void *& handle, void *& buffer,
|
---|
1745 | string& target, fs::file_status & sf, fs::file_status & symlink_sf)
|
---|
1746 | {
|
---|
1747 | BOOST_ASSERT(buffer != 0);
|
---|
1748 | dirent * entry(static_cast<dirent *>(buffer));
|
---|
1749 | dirent * result;
|
---|
1750 | int return_code;
|
---|
1751 | if ((return_code = readdir_r_simulator(static_cast<DIR*>(handle),
|
---|
1752 | entry, &result))!= 0)return error_code(errno, system_category());
|
---|
1753 | if (result == 0)
|
---|
1754 | return fs::detail::dir_itr_close(handle, buffer);
|
---|
1755 | target = entry->d_name;
|
---|
1756 | # ifdef BOOST_FILESYSTEM_STATUS_CACHE
|
---|
1757 | if (entry->d_type == DT_UNKNOWN) // filesystem does not supply d_type value
|
---|
1758 | {
|
---|
1759 | sf = symlink_sf = fs::file_status(fs::status_error);
|
---|
1760 | }
|
---|
1761 | else // filesystem supplies d_type value
|
---|
1762 | {
|
---|
1763 | if (entry->d_type == DT_DIR)
|
---|
1764 | sf = symlink_sf = fs::file_status(fs::directory_file);
|
---|
1765 | else if (entry->d_type == DT_REG)
|
---|
1766 | sf = symlink_sf = fs::file_status(fs::regular_file);
|
---|
1767 | else if (entry->d_type == DT_LNK)
|
---|
1768 | {
|
---|
1769 | sf = fs::file_status(fs::status_error);
|
---|
1770 | symlink_sf = fs::file_status(fs::symlink_file);
|
---|
1771 | }
|
---|
1772 | else sf = symlink_sf = fs::file_status(fs::status_error);
|
---|
1773 | }
|
---|
1774 | # else
|
---|
1775 | sf = symlink_sf = fs::file_status(fs::status_error);
|
---|
1776 | # endif
|
---|
1777 | return ok;
|
---|
1778 | }
|
---|
1779 |
|
---|
1780 | # else // BOOST_WINDOWS_API
|
---|
1781 |
|
---|
1782 | error_code dir_itr_first(void *& handle, const fs::path& dir,
|
---|
1783 | wstring& target, fs::file_status & sf, fs::file_status & symlink_sf)
|
---|
1784 | // Note: an empty root directory has no "." or ".." entries, so this
|
---|
1785 | // causes a ERROR_FILE_NOT_FOUND error which we do not considered an
|
---|
1786 | // error. It is treated as eof instead.
|
---|
1787 | {
|
---|
1788 | // use a form of search Sebastian Martel reports will work with Win98
|
---|
1789 | wstring dirpath(dir.wstring());
|
---|
1790 | dirpath += (dirpath.empty()
|
---|
1791 | || (dirpath[dirpath.size()-1] != L'\\'
|
---|
1792 | && dirpath[dirpath.size()-1] != L'/'
|
---|
1793 | && dirpath[dirpath.size()-1] != L':'))? L"\\*" : L"*";
|
---|
1794 |
|
---|
1795 | WIN32_FIND_DATAW data;
|
---|
1796 | if ((handle = ::FindFirstFileW(dirpath.c_str(), &data))
|
---|
1797 | == INVALID_HANDLE_VALUE)
|
---|
1798 | {
|
---|
1799 | handle = 0;
|
---|
1800 | return error_code( (::GetLastError() == ERROR_FILE_NOT_FOUND
|
---|
1801 | // Windows Mobile returns ERROR_NO_MORE_FILES; see ticket #3551
|
---|
1802 | || ::GetLastError() == ERROR_NO_MORE_FILES)
|
---|
1803 | ? 0 : ::GetLastError(), system_category() );
|
---|
1804 | }
|
---|
1805 | target = data.cFileName;
|
---|
1806 | if (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
|
---|
1807 | // reparse points are complex, so don't try to handle them here
|
---|
1808 | { sf.type(fs::status_error); symlink_sf.type(fs::status_error); }
|
---|
1809 | else if (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
---|
1810 | { sf.type(fs::directory_file); symlink_sf.type(fs::directory_file); }
|
---|
1811 | else
|
---|
1812 | { sf.type(fs::regular_file); symlink_sf.type(fs::regular_file); }
|
---|
1813 | return error_code();
|
---|
1814 | }
|
---|
1815 |
|
---|
1816 | error_code dir_itr_increment(void *& handle, wstring& target,
|
---|
1817 | fs::file_status & sf, fs::file_status & symlink_sf)
|
---|
1818 | {
|
---|
1819 | WIN32_FIND_DATAW data;
|
---|
1820 | if (::FindNextFileW(handle, &data)== 0)// fails
|
---|
1821 | {
|
---|
1822 | int error = ::GetLastError();
|
---|
1823 | fs::detail::dir_itr_close(handle);
|
---|
1824 | return error_code(error == ERROR_NO_MORE_FILES ? 0 : error, system_category());
|
---|
1825 | }
|
---|
1826 | target = data.cFileName;
|
---|
1827 | if (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
|
---|
1828 | // reparse points are complex, so don't try to handle them here
|
---|
1829 | { sf.type(fs::status_error); symlink_sf.type(fs::status_error); }
|
---|
1830 | else if (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
---|
1831 | { sf.type(fs::directory_file); symlink_sf.type(fs::directory_file); }
|
---|
1832 | else
|
---|
1833 | { sf.type(fs::regular_file); symlink_sf.type(fs::regular_file); }
|
---|
1834 | return error_code();
|
---|
1835 | }
|
---|
1836 | #endif
|
---|
1837 |
|
---|
1838 | const error_code not_found_error_code (
|
---|
1839 | # ifdef BOOST_WINDOWS_API
|
---|
1840 | ERROR_PATH_NOT_FOUND
|
---|
1841 | # else
|
---|
1842 | ENOENT
|
---|
1843 | # endif
|
---|
1844 | , system_category());
|
---|
1845 |
|
---|
1846 | } // unnamed namespace
|
---|
1847 |
|
---|
1848 | namespace boost
|
---|
1849 | {
|
---|
1850 | namespace filesystem3
|
---|
1851 | {
|
---|
1852 |
|
---|
1853 | namespace detail
|
---|
1854 | {
|
---|
1855 | // dir_itr_close is called both from the ~dir_itr_imp()destructor
|
---|
1856 | // and dir_itr_increment()
|
---|
1857 | BOOST_FILESYSTEM_DECL
|
---|
1858 | system::error_code dir_itr_close( // never throws
|
---|
1859 | void *& handle
|
---|
1860 | # if defined(BOOST_POSIX_API)
|
---|
1861 | , void *& buffer
|
---|
1862 | # endif
|
---|
1863 | )
|
---|
1864 | {
|
---|
1865 | # ifdef BOOST_POSIX_API
|
---|
1866 | std::free(buffer);
|
---|
1867 | buffer = 0;
|
---|
1868 | if (handle == 0)return ok;
|
---|
1869 | DIR * h(static_cast<DIR*>(handle));
|
---|
1870 | handle = 0;
|
---|
1871 | return error_code(::closedir(h)== 0 ? 0 : errno, system_category());
|
---|
1872 |
|
---|
1873 | # else
|
---|
1874 | if (handle != 0)
|
---|
1875 | {
|
---|
1876 | ::FindClose(handle);
|
---|
1877 | handle = 0;
|
---|
1878 | }
|
---|
1879 | return ok;
|
---|
1880 |
|
---|
1881 | # endif
|
---|
1882 | }
|
---|
1883 |
|
---|
1884 | void directory_iterator_construct(directory_iterator& it,
|
---|
1885 | const path& p, system::error_code* ec)
|
---|
1886 | {
|
---|
1887 | if (error(p.empty(), not_found_error_code, p, ec,
|
---|
1888 | "boost::filesystem::directory_iterator::construct"))return;
|
---|
1889 |
|
---|
1890 | path::string_type filename;
|
---|
1891 | file_status file_stat, symlink_file_stat;
|
---|
1892 | error_code result = dir_itr_first(it.m_imp->handle,
|
---|
1893 | # if defined(BOOST_POSIX_API)
|
---|
1894 | it.m_imp->buffer,
|
---|
1895 | # endif
|
---|
1896 | p.c_str(), filename, file_stat, symlink_file_stat);
|
---|
1897 |
|
---|
1898 | if (result)
|
---|
1899 | {
|
---|
1900 | it.m_imp.reset();
|
---|
1901 | error(true, result, p,
|
---|
1902 | ec, "boost::filesystem::directory_iterator::construct");
|
---|
1903 | return;
|
---|
1904 | }
|
---|
1905 |
|
---|
1906 | if (it.m_imp->handle == 0)it.m_imp.reset(); // eof, so make end iterator
|
---|
1907 | else // not eof
|
---|
1908 | {
|
---|
1909 | it.m_imp->dir_entry.assign(p / filename,
|
---|
1910 | file_stat, symlink_file_stat);
|
---|
1911 | if (filename[0] == dot // dot or dot-dot
|
---|
1912 | && (filename.size()== 1
|
---|
1913 | || (filename[1] == dot
|
---|
1914 | && filename.size()== 2)))
|
---|
1915 | { it.increment(); }
|
---|
1916 | }
|
---|
1917 | }
|
---|
1918 |
|
---|
1919 | void directory_iterator_increment(directory_iterator& it,
|
---|
1920 | system::error_code* ec)
|
---|
1921 | {
|
---|
1922 | BOOST_ASSERT(it.m_imp.get() && "attempt to increment end iterator");
|
---|
1923 | BOOST_ASSERT(it.m_imp->handle != 0 && "internal program error");
|
---|
1924 |
|
---|
1925 | path::string_type filename;
|
---|
1926 | file_status file_stat, symlink_file_stat;
|
---|
1927 | system::error_code temp_ec;
|
---|
1928 |
|
---|
1929 | for (;;)
|
---|
1930 | {
|
---|
1931 | temp_ec = dir_itr_increment(it.m_imp->handle,
|
---|
1932 | # if defined(BOOST_POSIX_API)
|
---|
1933 | it.m_imp->buffer,
|
---|
1934 | # endif
|
---|
1935 | filename, file_stat, symlink_file_stat);
|
---|
1936 |
|
---|
1937 | if (temp_ec)
|
---|
1938 | {
|
---|
1939 | it.m_imp.reset();
|
---|
1940 | if (ec == 0)
|
---|
1941 | BOOST_FILESYSTEM_THROW(
|
---|
1942 | filesystem_error("boost::filesystem::directory_iterator::operator++",
|
---|
1943 | it.m_imp->dir_entry.path().parent_path(),
|
---|
1944 | error_code(BOOST_ERRNO, system_category())));
|
---|
1945 | ec->assign(BOOST_ERRNO, system_category());
|
---|
1946 | return;
|
---|
1947 | }
|
---|
1948 | else if (ec != 0) ec->clear();
|
---|
1949 |
|
---|
1950 | if (it.m_imp->handle == 0) // eof, make end
|
---|
1951 | {
|
---|
1952 | it.m_imp.reset();
|
---|
1953 | return;
|
---|
1954 | }
|
---|
1955 |
|
---|
1956 | if (!(filename[0] == dot // !(dot or dot-dot)
|
---|
1957 | && (filename.size()== 1
|
---|
1958 | || (filename[1] == dot
|
---|
1959 | && filename.size()== 2))))
|
---|
1960 | {
|
---|
1961 | it.m_imp->dir_entry.replace_filename(
|
---|
1962 | filename, file_stat, symlink_file_stat);
|
---|
1963 | return;
|
---|
1964 | }
|
---|
1965 | }
|
---|
1966 | }
|
---|
1967 | } // namespace detail
|
---|
1968 | } // namespace filesystem3
|
---|
1969 | } // namespace boost
|
---|
1970 |
|
---|
1971 | #endif // no wide character support
|
---|