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Properly read inode and nlink on Windows

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This commit is contained in:
Marcus Holland-Moritz 2023-06-26 18:39:34 +02:00
parent d79937e539
commit b1567d5196
1 changed files with 31 additions and 2 deletions
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33
src/dwarfs/os_access_generic.cpp
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@ -88,12 +88,41 @@ file_stat make_file_stat(fs::path const& path) {
rv.ctime = time_from_filetime(info.ftCreationTime);
} else {
struct ::__stat64 st;
if (::_wstat64(wps.c_str(), &st) != 0) {
throw std::system_error(errno, std::generic_category(), "_stat64");
}
if (status.type() == fs::file_type::regular) {
::HANDLE hdl =
::CreateFileW(wps.c_str(), 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
if (hdl == INVALID_HANDLE_VALUE) {
throw std::system_error(::GetLastError(), std::system_category(),
fmt::format("CreateFileW({})", path.string()));
}
::BY_HANDLE_FILE_INFORMATION info;
if (!::GetFileInformationByHandle(hdl, &info)) {
throw std::system_error(::GetLastError(), std::system_category(),
"GetFileInformationByHandle");
}
if (!::CloseHandle(hdl)) {
throw std::system_error(::GetLastError(), std::system_category(),
"CloseHandle");
}
rv.ino = (static_cast<uint64_t>(info.nFileIndexHigh) << 32) +
info.nFileIndexLow;
rv.nlink = info.nNumberOfLinks;
} else {
rv.ino = st.st_ino;
rv.nlink = st.st_nlink;
}
rv.dev = st.st_dev;
rv.ino = st.st_ino;
rv.nlink = st.st_nlink;
rv.uid = st.st_uid;
rv.gid = st.st_gid;
rv.rdev = st.st_rdev;