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| author | Brad King <brad.king@kitware.com> | 2018-08-09 11:52:45 (GMT) |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2018-08-09 11:53:49 (GMT) |
| commit | 575f06e48c456c3b556fe6f70d0e3b23a3830e3c (patch) | |
| tree | 4572c7099ca95a909db78b4876bdb9b83d073f3f | |
| parent | 1c773b5d3aae0ad2146b1076ae8e00166f49a849 (diff) | |
| parent | ba872ea9c372b207d4fadaea7edc235c212e9a85 (diff) | |
| download | CMake-575f06e48c456c3b556fe6f70d0e3b23a3830e3c.zip CMake-575f06e48c456c3b556fe6f70d0e3b23a3830e3c.tar.gz CMake-575f06e48c456c3b556fe6f70d0e3b23a3830e3c.tar.bz2 | |
Merge topic 'update-kwsys'
ba872ea9c3 Merge branch 'upstream-KWSys' into update-kwsys
4d76239a51 KWSys 2018-08-07 (9044518f)
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2268
| -rw-r--r-- | Source/kwsys/SystemTools.cxx | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx index d552d9f..476fe08 100644 --- a/Source/kwsys/SystemTools.cxx +++ b/Source/kwsys/SystemTools.cxx @@ -1197,9 +1197,27 @@ bool SystemTools::FileExists(const std::string& filename) } return access(filename.c_str(), R_OK) == 0; #elif defined(_WIN32) - return ( - GetFileAttributesW(Encoding::ToWindowsExtendedPath(filename).c_str()) != - INVALID_FILE_ATTRIBUTES); + DWORD attr = + GetFileAttributesW(Encoding::ToWindowsExtendedPath(filename).c_str()); + if (attr == INVALID_FILE_ATTRIBUTES) { + return false; + } + + if (attr & FILE_ATTRIBUTE_REPARSE_POINT) { + // Using 0 instead of GENERIC_READ as it allows reading of file attributes + // even if we do not have permission to read the file itself + HANDLE handle = + CreateFileW(Encoding::ToWindowsExtendedPath(filename).c_str(), 0, 0, + NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); + + if (handle == INVALID_HANDLE_VALUE) { + return false; + } + + CloseHandle(handle); + } + + return true; #else // SCO OpenServer 5.0.7/3.2's command has 711 permission. # if defined(_SCO_DS) |