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complete UNC path support (#1689) 

complete UNC path support. all internal file api functions handle long size paths (> MAX_PATH) and special names (CON,PRN ...) with unit test
This commit is contained in:
Andrei Kurushin 2017-02-17 07:47:08 +03:00 committed by Arvid Norberg
parent 6819823f1f
commit 9bee2146d0
6 changed files with 284 additions and 127 deletions
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1
ChangeLog
View File

@ -1,3 +1,4 @@
* complete UNC path support
* add packets pool allocator
* fix last_upload and last_download overflow after 9 hours in past
* python binding add more add_torrent_params fields and an invalid key check

19
include/libtorrent/file.hpp
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@ -176,6 +176,25 @@ namespace libtorrent
TORRENT_EXTRA_EXPORT std::string canonicalize_path(string_view f);
#endif
// internal type alias export should be used at unit tests only
using native_path_string =
#if TORRENT_USE_WSTRING && defined TORRENT_WINDOWS
std::wstring;
#else
std::string;
#endif
// internal export should be used at unit tests only
TORRENT_EXTRA_EXPORT native_path_string convert_to_native_path_string(std::string const& path);
// internal export should be used at unit tests only
TORRENT_EXTRA_EXPORT std::string convert_from_native_path(char const* s);
#if defined TORRENT_WINDOWS && TORRENT_USE_WSTRING
// internal export should be used at unit tests only
TORRENT_EXTRA_EXPORT std::string convert_from_native_path(wchar_t const* s);
#endif
// TODO: move this into a separate header file, TU pair
class TORRENT_EXTRA_EXPORT directory : public boost::noncopyable
{

31
src/alert.cpp
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@ -177,10 +177,12 @@ namespace libtorrent
std::string file_completed_alert::message() const
{
char msg[200 + TORRENT_MAX_PATH];
std::snprintf(msg, sizeof(msg), "%s: file %d finished downloading"
, torrent_alert::message().c_str(), static_cast<int>(index));
return msg;
std::string ret { torrent_alert::message() };
char msg[200];
std::snprintf(msg, sizeof(msg), ": file %d finished downloading"
, static_cast<int>(index));
ret.append(msg);
return ret;
}
file_renamed_alert::file_renamed_alert(aux::stack_allocator& alloc
@ -200,10 +202,13 @@ namespace libtorrent
std::string file_renamed_alert::message() const
{
char msg[200 + TORRENT_MAX_PATH * 2];
std::snprintf(msg, sizeof(msg), "%s: file %d renamed to %s"
, torrent_alert::message().c_str(), static_cast<int>(index), new_name());
return msg;
std::string ret { torrent_alert::message() };
char msg[200];
std::snprintf(msg, sizeof(msg), ": file %d renamed to "
, static_cast<int>(index));
ret.append(msg);
ret.append(new_name());
return ret;
}
file_rename_failed_alert::file_rename_failed_alert(aux::stack_allocator& alloc
@ -217,10 +222,12 @@ namespace libtorrent
std::string file_rename_failed_alert::message() const
{
char ret[200 + TORRENT_MAX_PATH * 2];
std::snprintf(ret, sizeof(ret), "%s: failed to rename file %d: %s"
, torrent_alert::message().c_str(), static_cast<int>(index)
, convert_from_native(error.message()).c_str());
std::string ret { torrent_alert::message() };
char msg[200];
std::snprintf(msg, sizeof(msg), ": failed to rename file %d: "
, static_cast<int>(index));
ret.append(msg);
ret.append(convert_from_native(error.message()));
return ret;
}

30
src/escape_string.cpp
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@ -231,12 +231,30 @@ namespace libtorrent
if (!need_encoding(path.c_str(), int(path.size())))
return url;
char msg[TORRENT_MAX_PATH*4];
std::snprintf(msg, sizeof(msg), "%s://%s%s%s%s%s%s", protocol.c_str(), auth.c_str()
, auth.empty() ? "" : "@", host.c_str()
, port == -1 ? "" : ":"
, port == -1 ? "" : to_string(port).data()
, escape_path(path).c_str());
std::string msg;
std::string escaped_path { escape_path(path) };
// reserve enough space so further append will
// only copy values to existing location
msg.reserve(protocol.size() + 3 + // protocol part
auth.size() + 1 + // auth part
host.size() + // host part
1 + 5 + // port part
escaped_path.size());
msg.append(protocol);
msg.append("://");
if (!auth.empty())
{
msg.append(auth);
msg.append("@");
}
msg.append(host);
if (port != -1)
{
msg.append(":");
msg.append(to_string(port).data());
}
msg.append(escaped_path);
return msg;
}

203
src/file.cpp
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@ -76,6 +76,7 @@ POSSIBILITY OF SUCH DAMAGE.
// for convert_to_wstring and convert_to_native
#include "libtorrent/aux_/escape_string.hpp"
#include "libtorrent/assert.hpp"
#include "libtorrent/aux_/throw.hpp"
#include "libtorrent/aux_/disable_warnings_push.hpp"
@ -336,14 +337,19 @@ namespace libtorrent
return int(size);
}
#ifdef TORRENT_WINDOWS
std::string convert_separators(std::string p)
std::string convert_from_native_path(char const* s) { return convert_from_native(s); }
#if defined TORRENT_WINDOWS && TORRENT_USE_WSTRING
std::string convert_from_native_path(wchar_t const* s) { return convert_from_wstring(s); }
#endif
template <typename T>
std::unique_ptr<T, decltype(&std::free)> make_free_holder(T* ptr)
{
for (int i = 0; i < int(p.size()); ++i)
if (p[i] == '/') p[i] = '\\';
return p;
return std::unique_ptr<T, decltype(&std::free)>(ptr, &std::free);
}
#ifdef TORRENT_WINDOWS
time_t file_time_to_posix(FILETIME f)
{
const std::uint64_t posix_time_offset = 11644473600LL;
@ -356,34 +362,55 @@ namespace libtorrent
}
#endif
native_path_string convert_to_native_path_string(std::string const& path)
{
#ifdef TORRENT_WINDOWS
#if TORRENT_USE_UNC_PATHS
std::string prepared_path;
// UNC paths must be absolute
// network paths are already UNC paths
if (path.substr(0,2) == "\\\\")
prepared_path = path;
else
{
std::string sep_path { path };
std::replace(sep_path.begin(), sep_path.end(), '/', '\\');
prepared_path = "\\\\?\\" + (is_complete(sep_path) ? sep_path : combine_path(current_working_directory(), sep_path));
}
#else
std::string prepared_path { path };
std::replace(prepared_path.begin(), prepared_path.end(), '/', '\\');
#endif
#if TORRENT_USE_WSTRING
return convert_to_wstring(prepared_path);
#else
return convert_to_native(prepared_path);
#endif
#else // TORRENT_WINDOWS
return convert_to_native(path);
#endif
}
void stat_file(std::string const& inf, file_status* s
, error_code& ec, int const flags)
{
ec.clear();
native_path_string f = convert_to_native_path_string(inf);
#ifdef TORRENT_WINDOWS
TORRENT_UNUSED(flags);
std::string p = convert_separators(inf);
#if TORRENT_USE_UNC_PATHS
// UNC paths must be absolute
// network paths are already UNC paths
if (inf.substr(0,2) == "\\\\") p = inf;
else p = "\\\\?\\" + (is_complete(p) ? p : combine_path(current_working_directory(), p));
#endif
#if TORRENT_USE_WSTRING
#define CreateFile_ CreateFileW
std::wstring f = convert_to_wstring(p);
#else
#define CreateFile_ CreateFileA
std::string f = convert_to_native(p);
#endif
// in order to open a directory, we need the FILE_FLAG_BACKUP_SEMANTICS
HANDLE h = CreateFile_(f.c_str(), 0, FILE_SHARE_DELETE | FILE_SHARE_READ
| FILE_SHARE_WRITE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
#undef CreateFile_
if (h == INVALID_HANDLE_VALUE)
{
ec.assign(GetLastError(), system_category());
@ -414,8 +441,6 @@ namespace libtorrent
// posix version
std::string const& f = convert_to_native(inf);
struct stat ret;
int retval;
if (flags & dont_follow_links)
@ -448,19 +473,20 @@ namespace libtorrent
{
ec.clear();
native_path_string f1 = convert_to_native_path_string(inf);
native_path_string f2 = convert_to_native_path_string(newf);
#if TORRENT_USE_WSTRING && defined TORRENT_WINDOWS
std::wstring f1 = convert_to_wstring(inf);
std::wstring f2 = convert_to_wstring(newf);
if (_wrename(f1.c_str(), f2.c_str()) < 0)
#define RenameFunction_ _wrename
#else
std::string const& f1 = convert_to_native(inf);
std::string const& f2 = convert_to_native(newf);
if (::rename(f1.c_str(), f2.c_str()) < 0)
#define RenameFunction_ ::rename
#endif
if (RenameFunction_(f1.c_str(), f2.c_str()) < 0)
{
ec.assign(errno, generic_category());
return;
}
#undef RenameFunction_
}
void create_directories(std::string const& f, error_code& ec)
@ -483,20 +509,19 @@ namespace libtorrent
{
ec.clear();
native_path_string n = convert_to_native_path_string(f);
#ifdef TORRENT_WINDOWS
#if TORRENT_USE_WSTRING
#define CreateDirectory_ CreateDirectoryW
std::wstring n = convert_to_wstring(f);
#else
#define CreateDirectory_ CreateDirectoryA
std::string const& n = convert_to_native(f);
#endif // TORRENT_USE_WSTRING
if (CreateDirectory_(n.c_str(), 0) == 0
&& GetLastError() != ERROR_ALREADY_EXISTS)
ec.assign(GetLastError(), system_category());
#undef CreateDirectory_
#else
std::string n = convert_to_native(f);
int ret = ::mkdir(n.c_str(), 0777);
if (ret < 0 && errno != EEXIST)
ec.assign(errno, system_category());
@ -506,16 +531,14 @@ namespace libtorrent
void hard_link(std::string const& file, std::string const& link
, error_code& ec)
{
native_path_string n_exist = convert_to_native_path_string(file);
native_path_string n_link = convert_to_native_path_string(link);
#ifdef TORRENT_WINDOWS
#if TORRENT_USE_WSTRING
#define CreateHardLink_ CreateHardLinkW
std::wstring n_exist = convert_to_wstring(file);
std::wstring n_link = convert_to_wstring(link);
#else
#define CreateHardLink_ CreateHardLinkA
std::string n_exist = convert_to_native(file);
std::string n_link = convert_to_native(link);
#endif
BOOL ret = CreateHardLink_(n_link.c_str(), n_exist.c_str(), nullptr);
if (ret)
@ -523,7 +546,7 @@ namespace libtorrent
ec.clear();
return;
}
#undef CreateHardLink_
// something failed. Does the filesystem not support hard links?
// TODO: 3 find out what error code is reported when the filesystem
// does not support hard links.
@ -539,10 +562,6 @@ namespace libtorrent
// fall back to making a copy
#else
std::string n_exist = convert_to_native(file);
std::string n_link = convert_to_native(link);
// assume posix's link() function exists
int ret = ::link(n_exist.c_str(), n_link.c_str());
@ -605,32 +624,27 @@ namespace libtorrent
void copy_file(std::string const& inf, std::string const& newf, error_code& ec)
{
ec.clear();
native_path_string f1 = convert_to_native_path_string(inf);
native_path_string f2 = convert_to_native_path_string(newf);
#ifdef TORRENT_WINDOWS
#if TORRENT_USE_WSTRING
#define CopyFile_ CopyFileW
std::wstring f1 = convert_to_wstring(inf);
std::wstring f2 = convert_to_wstring(newf);
#else
#define CopyFile_ CopyFileA
std::string const& f1 = convert_to_native(inf);
std::string const& f2 = convert_to_native(newf);
#endif
if (CopyFile_(f1.c_str(), f2.c_str(), false) == 0)
ec.assign(GetLastError(), system_category());
#elif defined __APPLE__ && defined __MACH__ && MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
std::string f1 = convert_to_native(inf);
std::string f2 = convert_to_native(newf);
#undef CopyFile_
#elif defined __APPLE__ && defined __MACH__ && MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
// this only works on 10.5
copyfile_state_t state = copyfile_state_alloc();
if (copyfile(f1.c_str(), f2.c_str(), state, COPYFILE_ALL) < 0)
ec.assign(errno, system_category());
copyfile_state_free(state);
#else
std::string const f1 = convert_to_native(inf);
std::string const f2 = convert_to_native(newf);
int const infd = ::open(f1.c_str(), O_RDONLY);
if (infd < 0)
{
@ -944,23 +958,21 @@ namespace libtorrent
std::string current_working_directory()
{
#if defined TORRENT_WINDOWS && !defined TORRENT_MINGW
#if defined TORRENT_WINDOWS
#if TORRENT_USE_WSTRING
wchar_t cwd[TORRENT_MAX_PATH];
_wgetcwd(cwd, sizeof(cwd) / sizeof(wchar_t));
#define GetCurrentDir_ ::_wgetcwd
#else
char cwd[TORRENT_MAX_PATH];
_getcwd(cwd, sizeof(cwd));
#define GetCurrentDir_ ::_getcwd
#endif // TORRENT_USE_WSTRING
#else
char cwd[TORRENT_MAX_PATH];
if (getcwd(cwd, sizeof(cwd)) == nullptr) return "/";
#endif
#if defined TORRENT_WINDOWS && !defined TORRENT_MINGW && TORRENT_USE_WSTRING
return convert_from_wstring(cwd);
#else
return convert_from_native(cwd);
#define GetCurrentDir_ ::getcwd
#endif
auto cwd = GetCurrentDir_(nullptr, 0);
if (cwd == nullptr)
aux::throw_ex<system_error>(error_code(errno, generic_category()));
auto holder = make_free_holder(cwd);
return convert_from_native_path(cwd);
#undef GetCurrentDir_
}
#if TORRENT_USE_UNC_PATHS
@ -1057,24 +1069,21 @@ namespace libtorrent
void remove(std::string const& inf, error_code& ec)
{
ec.clear();
native_path_string f = convert_to_native_path_string(inf);
#ifdef TORRENT_WINDOWS
// windows does not allow trailing / or \ in
// the path when removing files
std::string pruned;
if (inf[inf.size() - 1] == '/'
|| inf[inf.size() - 1] == '\\')
pruned = inf.substr(0, inf.size() - 1);
else
pruned = inf;
while (!f.empty() && (
f.back() == '/' ||
f.back() == '\\'
)) f.pop_back();
#if TORRENT_USE_WSTRING
#define DeleteFile_ DeleteFileW
#define RemoveDirectory_ RemoveDirectoryW
std::wstring f = convert_to_wstring(pruned);
#else
#define DeleteFile_ DeleteFileA
#define RemoveDirectory_ RemoveDirectoryA
std::string f = convert_to_native(pruned);
#endif
if (DeleteFile_(f.c_str()) == 0)
{
@ -1086,8 +1095,9 @@ namespace libtorrent
ec.assign(GetLastError(), system_category());
return;
}
#undef DeleteFile_
#undef RemoveDirectory_
#else // TORRENT_WINDOWS
std::string const& f = convert_to_native(inf);
if (::remove(f.c_str()) < 0)
{
ec.assign(errno, system_category());
@ -1149,40 +1159,43 @@ namespace libtorrent
: m_done(false)
{
ec.clear();
std::string p{ path };
#ifdef TORRENT_WINDOWS
m_inode = 0;
// the path passed to FindFirstFile() must be
// a pattern
std::string f = convert_separators(path);
if (!f.empty() && f[f.size()-1] != '\\') f += "\\*";
else f += "*";
p.append((!p.empty() && p.back() != '\\') ? "\\*" : "*");
#else
// the path passed to opendir() may not
// end with a /
if (!p.empty() && p.back() == '/')
p.pop_back();
#endif
native_path_string f = convert_to_native_path_string(p);
#ifdef TORRENT_WINDOWS
m_inode = 0;
#if TORRENT_USE_WSTRING
#define FindFirstFile_ FindFirstFileW
std::wstring p = convert_to_wstring(f);
#else
#define FindFirstFile_ FindFirstFileA
std::string p = convert_to_native(f);
#endif
m_handle = FindFirstFile_(p.c_str(), &m_fd);
m_handle = FindFirstFile_(f.c_str(), &m_fd);
if (m_handle == INVALID_HANDLE_VALUE)
{
ec.assign(GetLastError(), system_category());
m_done = true;
return;
}
#undef FindFirstFile_
#else
std::memset(&m_dirent, 0, sizeof(dirent));
m_name[0] = 0;
// the path passed to opendir() may not
// end with a /
std::string p = path;
if (!path.empty() && path[path.size()-1] == '/')
p.resize(path.size()-1);
p = convert_to_native(p);
m_handle = ::opendir(p.c_str());
m_handle = ::opendir(f.c_str());
if (m_handle == nullptr)
{
ec.assign(errno, system_category());
@ -1216,11 +1229,7 @@ namespace libtorrent
std::string directory::file() const
{
#ifdef TORRENT_WINDOWS
#if TORRENT_USE_WSTRING
return convert_from_wstring(m_fd.cFileName);
#else
return convert_from_native(m_fd.cFileName);
#endif
return convert_from_native_path(m_fd.cFileName);
#else
return convert_from_native(m_dirent.d_name);
#endif
@ -1242,6 +1251,7 @@ namespace libtorrent
if (err != ERROR_NO_MORE_FILES)
ec.assign(err, system_category());
}
#undef FindNextFile_
++m_inode;
#else
dirent* dummy;
@ -1330,6 +1340,7 @@ namespace libtorrent
bool file::open(std::string const& path, int mode, error_code& ec)
{
close();
native_path_string file_path = convert_to_native_path_string(path);
#ifdef TORRENT_WINDOWS
@ -1357,20 +1368,10 @@ namespace libtorrent
FILE_ATTRIBUTE_HIDDEN, // hidden + executable
};
std::string p = convert_separators(path);
#if TORRENT_USE_UNC_PATHS
// UNC paths must be absolute
// network paths are already UNC paths
if (path.substr(0,2) == "\\\\") p = path;
else p = "\\\\?\\" + (is_complete(p) ? p : combine_path(current_working_directory(), p));
#endif
#if TORRENT_USE_WSTRING
#define CreateFile_ CreateFileW
std::wstring file_path = convert_to_wstring(p);
#else
#define CreateFile_ CreateFileA
std::string file_path = convert_to_native(p);
#endif
TORRENT_ASSERT((mode & rw_mask) < sizeof(mode_array)/sizeof(mode_array[0]));
@ -1390,6 +1391,8 @@ namespace libtorrent
, (mode & lock_file) ? FILE_SHARE_READ : FILE_SHARE_READ | FILE_SHARE_WRITE
, 0, m.create_mode, flags, 0);
#undef CreateFile_
if (handle == INVALID_HANDLE_VALUE)
{
ec.assign(GetLastError(), system_category());
@ -1436,7 +1439,7 @@ namespace libtorrent
#endif
;
handle_type handle = ::open(convert_to_native(path).c_str()
handle_type handle = ::open(file_path.c_str()
, mode_array[mode & rw_mask] | open_mode
, permissions);
@ -1448,7 +1451,7 @@ namespace libtorrent
{
mode &= ~no_atime;
open_mode &= ~O_NOATIME;
handle = ::open(convert_to_native(path).c_str(), mode_array[mode & rw_mask] | open_mode
handle = ::open(file_path.c_str(), mode_array[mode & rw_mask] | open_mode
, permissions);
}
#endif

127
test/test_file.cpp
View File

@ -170,15 +170,6 @@ TORRENT_TEST(paths)
TEST_EQUAL(combine_path("test1", "test2"), "test1/test2");
#endif
#if TORRENT_USE_UNC_PATHS
TEST_EQUAL(canonicalize_path("c:\\a\\..\\b"), "c:\\b");
TEST_EQUAL(canonicalize_path("a\\..\\b"), "b");
TEST_EQUAL(canonicalize_path("a\\..\\.\\b"), "b");
TEST_EQUAL(canonicalize_path("\\.\\a"), "\\a");
TEST_EQUAL(canonicalize_path("\\\\bla\\.\\a"), "\\\\bla\\a");
TEST_EQUAL(canonicalize_path("c:\\bla\\a"), "c:\\bla\\a");
#endif
TEST_EQUAL(extension("blah"), "");
TEST_EQUAL(extension("blah.exe"), ".exe");
TEST_EQUAL(extension("blah.foo.bar"), ".bar");
@ -408,3 +399,121 @@ TORRENT_TEST(stat_file)
TEST_CHECK(ec);
TEST_EQUAL(ec, boost::system::errc::no_such_file_or_directory);
}
// specificaly UNC tests
#if TORRENT_USE_UNC_PATHS
std::tuple<int, bool> fill_current_directory_caps()
{
#ifdef TORRENT_WINDOWS
error_code ec;
DWORD dw_maximum_component_length;
DWORD dw_file_system_flags;
if (!GetVolumeInformationA(nullptr, nullptr, 0, nullptr, &dw_maximum_component_length, &dw_file_system_flags, nullptr, 0))
{
ec.assign(GetLastError(), system_category());
std::printf("GetVolumeInformation: [%s] %s\n"
, ec.category().name(), ec.message().c_str());
return std::make_tuple(0, false);
}
int maximum_component_length = int(dw_maximum_component_length);
bool support_hard_links = ((dw_file_system_flags & FILE_SUPPORTS_HARD_LINKS) != 0);
return std::make_tuple(maximum_component_length, support_hard_links);
#else
return std::make_tuple(TORRENT_MAX_PATH, true);
#endif
}
TORRENT_TEST(unc_tests)
{
TEST_EQUAL(canonicalize_path("c:\\a\\..\\b"), "c:\\b");
TEST_EQUAL(canonicalize_path("a\\..\\b"), "b");
TEST_EQUAL(canonicalize_path("a\\..\\.\\b"), "b");
TEST_EQUAL(canonicalize_path("\\.\\a"), "\\a");
TEST_EQUAL(canonicalize_path("\\\\bla\\.\\a"), "\\\\bla\\a");
TEST_EQUAL(canonicalize_path("c:\\bla\\a"), "c:\\bla\\a");
error_code ec;
std::vector<std::string> special_names
{
"CON", "PRN", "AUX", "NUL",
"COM1", "COM2", "COM3", "COM4",
"COM5", "COM6", "COM7", "COM8",
"COM9", "LPT1", "LPT2", "LPT3",
"LPT4", "LPT5", "LPT6", "LPT7",
"LPT8", "LPT9"
};
for (std::string special_name : special_names)
{
TEST_EQUAL(touch_file(special_name, 10), 0);
TEST_CHECK(lt::exists(special_name));
lt::remove(special_name, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(!lt::exists(special_name));
}
int maximum_component_length;
bool support_hard_links;
std::tie(maximum_component_length, support_hard_links) = fill_current_directory_caps();
if (maximum_component_length > 0)
{
std::string long_component_name;
long_component_name.resize(maximum_component_length);
for (int i = 0; i < maximum_component_length; ++i)
long_component_name[i] = static_cast<char>((i % 26) + 'A');
std::string long_file_name1 = combine_path(long_component_name, long_component_name);
long_file_name1.back() = '1';
std::string long_file_name2 { long_file_name1 };
long_file_name2.back() = '2';
error_code ec;
lt::create_directory(long_component_name, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(lt::exists(long_component_name));
TEST_CHECK(lt::is_directory(long_component_name, ec));
TEST_EQUAL(touch_file(long_file_name1, 10), 0);
TEST_CHECK(lt::exists(long_file_name1));
lt::rename(long_file_name1, long_file_name2, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(!lt::exists(long_file_name1));
TEST_CHECK(lt::exists(long_file_name2));
lt::copy_file(long_file_name2, long_file_name1, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(lt::exists(long_file_name1));
std::set<std::string> files;
for (lt::directory i(long_component_name, ec); !i.done(); i.next(ec))
{
std::string f = i.file();
files.insert(f);
}
TEST_EQUAL(files.size(), 4);
lt::remove(long_file_name1, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(!lt::exists(long_file_name1));
if (support_hard_links)
{
lt::hard_link(long_file_name2, long_file_name1, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(lt::exists(long_file_name1));
lt::remove(long_file_name1, ec);
TEST_EQUAL(ec, error_code());
TEST_CHECK(!lt::exists(long_file_name1));
}
}
}
#endif