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Feature #6845 ยป winnt_stat.patch

h.shirosaki (Hiroshi Shirosaki), 08/09/2012 07:46 AM

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test/ruby/test_file_exhaustive.rb
assert_equal(0, File::Stat.new(@zerofile).size)
end
def test_stat_special_file
# test for special files such as pagefile.sys on Windows
assert_nothing_raised do
Dir::glob("C:/*.sys") {|f| File::Stat.new(f) }
end
end if DRIVE
def test_path_check
assert_nothing_raised { ENV["PATH"] }
end
win32/win32.c
WCHAR full[MAX_PATH];
WCHAR *dmy;
/* GetFileAttributes() determines "..." as directory. */
/* We recheck it by FindFirstFile(). */
if (wcsstr(path, L"...") == NULL)
return 0;
/* if the specified path is the root of a drive and the drive is empty, */
/* FindFirstFile() returns INVALID_HANDLE_VALUE. */
if (!GetFullPathNameW(path, sizeof(full) / sizeof(WCHAR), full, &dmy)) {
......
{
HANDLE h;
WIN32_FIND_DATAW wfd;
WIN32_FILE_ATTRIBUTE_DATA wfa;
const WCHAR *p = path;
memset(st, 0, sizeof(*st));
......
errno = ENOENT;
return -1;
}
h = FindFirstFileW(path, &wfd);
if (h != INVALID_HANDLE_VALUE) {
FindClose(h);
st->st_mode = fileattr_to_unixmode(wfd.dwFileAttributes, path);
st->st_atime = filetime_to_unixtime(&wfd.ftLastAccessTime);
st->st_mtime = filetime_to_unixtime(&wfd.ftLastWriteTime);
st->st_ctime = filetime_to_unixtime(&wfd.ftCreationTime);
st->st_size = ((__int64)wfd.nFileSizeHigh << 32) | wfd.nFileSizeLow;
if (GetFileAttributesExW(path, GetFileExInfoStandard, (void*)&wfa)) {
if (wfa.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
if (check_valid_dir(path)) return -1;
st->st_size = 0;
}
else {
st->st_size = ((__int64)wfa.nFileSizeHigh << 32) | wfa.nFileSizeLow;
}
st->st_mode = fileattr_to_unixmode(wfa.dwFileAttributes, path);
st->st_atime = filetime_to_unixtime(&wfa.ftLastAccessTime);
st->st_mtime = filetime_to_unixtime(&wfa.ftLastWriteTime);
st->st_ctime = filetime_to_unixtime(&wfa.ftCreationTime);
}
else {
// If runtime stat(2) is called for network shares, it fails on WinNT.
// Because GetDriveType returns 1 for network shares. (Win98 returns 4)
DWORD attr = GetFileAttributesW(path);
if (attr == (DWORD)-1L) {
errno = map_errno(GetLastError());
/* GetFileAttributesEx failed; check why. */
int e = GetLastError();
if ((e == ERROR_FILE_NOT_FOUND) || (e == ERROR_INVALID_NAME)
|| (e == ERROR_PATH_NOT_FOUND || (e == ERROR_BAD_NETPATH))) {
errno = map_errno(e);
return -1;
}
if (attr & FILE_ATTRIBUTE_DIRECTORY) {
if (check_valid_dir(path)) return -1;
/* Fall back to FindFirstFile for ERROR_SHARING_VIOLATION */
h = FindFirstFileW(path, &wfd);
if (h != INVALID_HANDLE_VALUE) {
FindClose(h);
st->st_mode = fileattr_to_unixmode(wfd.dwFileAttributes, path);
st->st_atime = filetime_to_unixtime(&wfd.ftLastAccessTime);
st->st_mtime = filetime_to_unixtime(&wfd.ftLastWriteTime);
st->st_ctime = filetime_to_unixtime(&wfd.ftCreationTime);
st->st_size = ((__int64)wfd.nFileSizeHigh << 32) | wfd.nFileSizeLow;
}
else {
errno = map_errno(GetLastError());
return -1;
}
st->st_mode = fileattr_to_unixmode(attr, path);
}
st->st_dev = st->st_rdev = (iswalpha(path[0]) && path[1] == L':') ?
    (1-1/1)