using llvm::sys::windows::UTF8ToUTF16;
using llvm::sys::windows::UTF16ToUTF8;
-static error_code windows_error(DWORD E) {
+static std::error_code windows_error(DWORD E) {
return mapWindowsError(E);
}
-static error_code TempDir(SmallVectorImpl<char> &Result) {
- SmallVector<wchar_t, 64> Res;
-retry_temp_dir:
- DWORD Len = ::GetTempPathW(Res.capacity(), Res.begin());
-
- if (Len == 0)
- return windows_error(::GetLastError());
-
- if (Len > Res.capacity()) {
- Res.reserve(Len);
- goto retry_temp_dir;
- }
-
- Res.set_size(Len);
- return UTF16ToUTF8(Res.begin(), Res.size(), Result);
-}
-
static bool is_separator(const wchar_t value) {
switch (value) {
case L'\\':
return Ret;
}
-error_code current_path(SmallVectorImpl<char> &result) {
+std::error_code current_path(SmallVectorImpl<char> &result) {
SmallVector<wchar_t, MAX_PATH> cur_path;
DWORD len = MAX_PATH;
return UTF16ToUTF8(cur_path.begin(), cur_path.size(), result);
}
-error_code create_directory(const Twine &path, bool IgnoreExisting) {
+std::error_code create_directory(const Twine &path, bool IgnoreExisting) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
- if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
- path_utf16))
+ if (std::error_code ec =
+ UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec;
if (!::CreateDirectoryW(path_utf16.begin(), NULL)) {
return windows_error(LastError);
}
- return error_code();
-}
-
-error_code normalize_separators(SmallVectorImpl<char> &Path) {
- (void) Path;
- return error_code();
+ return std::error_code();
}
// We can't use symbolic links for windows.
-error_code create_link(const Twine &to, const Twine &from) {
+std::error_code create_link(const Twine &to, const Twine &from) {
// Get arguments.
SmallString<128> from_storage;
SmallString<128> to_storage;
// Convert to utf-16.
SmallVector<wchar_t, 128> wide_from;
SmallVector<wchar_t, 128> wide_to;
- if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec;
- if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec;
+ if (std::error_code ec = UTF8ToUTF16(f, wide_from))
+ return ec;
+ if (std::error_code ec = UTF8ToUTF16(t, wide_to))
+ return ec;
if (!::CreateHardLinkW(wide_from.begin(), wide_to.begin(), NULL))
return windows_error(::GetLastError());
- return error_code();
+ return std::error_code();
}
-error_code remove(const Twine &path, bool IgnoreNonExisting) {
+std::error_code remove(const Twine &path, bool IgnoreNonExisting) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
file_status ST;
- if (error_code EC = status(path, ST)) {
- if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
+ if (std::error_code EC = status(path, ST)) {
+ if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
- return error_code();
+ return std::error_code();
}
- if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
- path_utf16))
+ if (std::error_code ec =
+ UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec;
if (ST.type() == file_type::directory_file) {
if (!::RemoveDirectoryW(c_str(path_utf16))) {
- error_code EC = windows_error(::GetLastError());
- if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
+ std::error_code EC = windows_error(::GetLastError());
+ if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
}
- return error_code();
+ return std::error_code();
}
if (!::DeleteFileW(c_str(path_utf16))) {
- error_code EC = windows_error(::GetLastError());
- if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
+ std::error_code EC = windows_error(::GetLastError());
+ if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
}
- return error_code();
+ return std::error_code();
}
-error_code rename(const Twine &from, const Twine &to) {
+std::error_code rename(const Twine &from, const Twine &to) {
// Get arguments.
SmallString<128> from_storage;
SmallString<128> to_storage;
// Convert to utf-16.
SmallVector<wchar_t, 128> wide_from;
SmallVector<wchar_t, 128> wide_to;
- if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec;
- if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec;
+ if (std::error_code ec = UTF8ToUTF16(f, wide_from))
+ return ec;
+ if (std::error_code ec = UTF8ToUTF16(t, wide_to))
+ return ec;
- error_code ec = error_code();
+ std::error_code ec = std::error_code();
for (int i = 0; i < 2000; i++) {
if (::MoveFileExW(wide_from.begin(), wide_to.begin(),
MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING))
- return error_code();
+ return std::error_code();
DWORD LastError = ::GetLastError();
if (LastError != ERROR_ACCESS_DENIED)
break;
return ec;
}
-error_code resize_file(const Twine &path, uint64_t size) {
+std::error_code resize_file(const Twine &path, uint64_t size) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
- if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
- path_utf16))
+ if (std::error_code ec =
+ UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec;
int fd = ::_wopen(path_utf16.begin(), O_BINARY | _O_RDWR, S_IWRITE);
if (fd == -1)
- return error_code(errno, std::generic_category());
+ return std::error_code(errno, std::generic_category());
#ifdef HAVE__CHSIZE_S
errno_t error = ::_chsize_s(fd, size);
#else
errno_t error = ::_chsize(fd, size);
#endif
::close(fd);
- return error_code(error, std::generic_category());
+ return std::error_code(error, std::generic_category());
}
-error_code exists(const Twine &path, bool &result) {
+std::error_code exists(const Twine &path, bool &result) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
- if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
- path_utf16))
+ if (std::error_code ec =
+ UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec;
DWORD attributes = ::GetFileAttributesW(path_utf16.begin());
result = false;
} else
result = true;
- return error_code();
+ return std::error_code();
}
bool can_write(const Twine &Path) {
A.VolumeSerialNumber == B.VolumeSerialNumber;
}
-error_code equivalent(const Twine &A, const Twine &B, bool &result) {
+std::error_code equivalent(const Twine &A, const Twine &B, bool &result) {
file_status fsA, fsB;
- if (error_code ec = status(A, fsA)) return ec;
- if (error_code ec = status(B, fsB)) return ec;
+ if (std::error_code ec = status(A, fsA))
+ return ec;
+ if (std::error_code ec = status(B, fsB))
+ return ec;
result = equivalent(fsA, fsB);
- return error_code();
+ return std::error_code();
}
static bool isReservedName(StringRef path) {
return false;
}
-static error_code getStatus(HANDLE FileHandle, file_status &Result) {
+static std::error_code getStatus(HANDLE FileHandle, file_status &Result) {
if (FileHandle == INVALID_HANDLE_VALUE)
goto handle_status_error;
if (Err != NO_ERROR)
return windows_error(Err);
Result = file_status(file_type::type_unknown);
- return error_code();
+ return std::error_code();
}
case FILE_TYPE_DISK:
break;
case FILE_TYPE_CHAR:
Result = file_status(file_type::character_file);
- return error_code();
+ return std::error_code();
case FILE_TYPE_PIPE:
Result = file_status(file_type::fifo_file);
- return error_code();
+ return std::error_code();
}
BY_HANDLE_FILE_INFORMATION Info;
Info.ftLastWriteTime.dwLowDateTime,
Info.dwVolumeSerialNumber, Info.nFileSizeHigh,
Info.nFileSizeLow, Info.nFileIndexHigh, Info.nFileIndexLow);
- return error_code();
+ return std::error_code();
}
handle_status_error:
return windows_error(LastError);
}
-error_code status(const Twine &path, file_status &result) {
+std::error_code status(const Twine &path, file_status &result) {
SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16;
StringRef path8 = path.toStringRef(path_storage);
if (isReservedName(path8)) {
result = file_status(file_type::character_file);
- return error_code();
+ return std::error_code();
}
- if (error_code ec = UTF8ToUTF16(path8, path_utf16))
+ if (std::error_code ec = UTF8ToUTF16(path8, path_utf16))
return ec;
DWORD attr = ::GetFileAttributesW(path_utf16.begin());
return getStatus(h, result);
}
-error_code status(int FD, file_status &Result) {
+std::error_code status(int FD, file_status &Result) {
HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
return getStatus(FileHandle, Result);
}
-error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
+std::error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
ULARGE_INTEGER UI;
UI.QuadPart = Time.toWin32Time();
FILETIME FT;
HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
if (!SetFileTime(FileHandle, NULL, &FT, &FT))
return windows_error(::GetLastError());
- return error_code();
+ return std::error_code();
}
-error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
+std::error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
FileDescriptor = FD;
// Make sure that the requested size fits within SIZE_T.
if (Size > std::numeric_limits<SIZE_T>::max()) {
_close(FileDescriptor);
} else
::CloseHandle(FileHandle);
- return std::make_error_code(std::errc::invalid_argument);
+ return make_error_code(errc::invalid_argument);
}
DWORD flprotect;
(Offset + Size) & 0xffffffff,
0);
if (FileMappingHandle == NULL) {
- error_code ec = windows_error(GetLastError());
+ std::error_code ec = windows_error(GetLastError());
if (FileDescriptor) {
if (CloseFD)
_close(FileDescriptor);
Offset & 0xffffffff,
Size);
if (Mapping == NULL) {
- error_code ec = windows_error(GetLastError());
+ std::error_code ec = windows_error(GetLastError());
::CloseHandle(FileMappingHandle);
if (FileDescriptor) {
if (CloseFD)
MEMORY_BASIC_INFORMATION mbi;
SIZE_T Result = VirtualQuery(Mapping, &mbi, sizeof(mbi));
if (Result == 0) {
- error_code ec = windows_error(GetLastError());
+ std::error_code ec = windows_error(GetLastError());
::UnmapViewOfFile(Mapping);
::CloseHandle(FileMappingHandle);
if (FileDescriptor) {
_close(FileDescriptor); // Also closes FileHandle.
} else
::CloseHandle(FileHandle);
- return error_code();
+ return std::error_code();
}
mapped_file_region::mapped_file_region(const Twine &path,
mapmode mode,
uint64_t length,
uint64_t offset,
- error_code &ec)
+ std::error_code &ec)
: Mode(mode)
, Size(length)
, Mapping()
mapmode mode,
uint64_t length,
uint64_t offset,
- error_code &ec)
+ std::error_code &ec)
: Mode(mode)
, Size(length)
, Mapping()
if (closefd)
_close(FileDescriptor);
FileDescriptor = 0;
- ec = std::make_error_code(std::errc::bad_file_descriptor);
+ ec = make_error_code(errc::bad_file_descriptor);
return;
}
return SysInfo.dwAllocationGranularity;
}
-error_code detail::directory_iterator_construct(detail::DirIterState &it,
+std::error_code detail::directory_iterator_construct(detail::DirIterState &it,
StringRef path){
SmallVector<wchar_t, 128> path_utf16;
- if (error_code ec = UTF8ToUTF16(path,
- path_utf16))
+ if (std::error_code ec = UTF8ToUTF16(path, path_utf16))
return ec;
// Convert path to the format that Windows is happy with.
// Construct the current directory entry.
SmallString<128> directory_entry_name_utf8;
- if (error_code ec = UTF16ToUTF8(FirstFind.cFileName,
- ::wcslen(FirstFind.cFileName),
- directory_entry_name_utf8))
+ if (std::error_code ec =
+ UTF16ToUTF8(FirstFind.cFileName, ::wcslen(FirstFind.cFileName),
+ directory_entry_name_utf8))
return ec;
it.IterationHandle = intptr_t(FindHandle.take());
path::append(directory_entry_path, directory_entry_name_utf8.str());
it.CurrentEntry = directory_entry(directory_entry_path.str());
- return error_code();
+ return std::error_code();
}
-error_code detail::directory_iterator_destruct(detail::DirIterState &it) {
+std::error_code detail::directory_iterator_destruct(detail::DirIterState &it) {
if (it.IterationHandle != 0)
// Closes the handle if it's valid.
ScopedFindHandle close(HANDLE(it.IterationHandle));
it.IterationHandle = 0;
it.CurrentEntry = directory_entry();
- return error_code();
+ return std::error_code();
}
-error_code detail::directory_iterator_increment(detail::DirIterState &it) {
+std::error_code detail::directory_iterator_increment(detail::DirIterState &it) {
WIN32_FIND_DATAW FindData;
if (!::FindNextFileW(HANDLE(it.IterationHandle), &FindData)) {
DWORD LastError = ::GetLastError();
return directory_iterator_increment(it);
SmallString<128> directory_entry_path_utf8;
- if (error_code ec = UTF16ToUTF8(FindData.cFileName,
- ::wcslen(FindData.cFileName),
- directory_entry_path_utf8))
+ if (std::error_code ec =
+ UTF16ToUTF8(FindData.cFileName, ::wcslen(FindData.cFileName),
+ directory_entry_path_utf8))
return ec;
it.CurrentEntry.replace_filename(Twine(directory_entry_path_utf8));
- return error_code();
+ return std::error_code();
}
-error_code openFileForRead(const Twine &Name, int &ResultFD) {
+std::error_code openFileForRead(const Twine &Name, int &ResultFD) {
SmallString<128> PathStorage;
SmallVector<wchar_t, 128> PathUTF16;
- if (error_code EC = UTF8ToUTF16(Name.toStringRef(PathStorage),
- PathUTF16))
+ if (std::error_code EC =
+ UTF8ToUTF16(Name.toStringRef(PathStorage), PathUTF16))
return EC;
HANDLE H = ::CreateFileW(PathUTF16.begin(), GENERIC_READ,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (H == INVALID_HANDLE_VALUE) {
DWORD LastError = ::GetLastError();
- error_code EC = windows_error(LastError);
+ std::error_code EC = windows_error(LastError);
// Provide a better error message when trying to open directories.
// This only runs if we failed to open the file, so there is probably
// no performances issues.
if (LastError != ERROR_ACCESS_DENIED)
return EC;
if (is_directory(Name))
- return std::make_error_code(std::errc::is_a_directory);
+ return make_error_code(errc::is_a_directory);
return EC;
}
}
ResultFD = FD;
- return error_code();
+ return std::error_code();
}
-error_code openFileForWrite(const Twine &Name, int &ResultFD,
+std::error_code openFileForWrite(const Twine &Name, int &ResultFD,
sys::fs::OpenFlags Flags, unsigned Mode) {
// Verify that we don't have both "append" and "excl".
assert((!(Flags & sys::fs::F_Excl) || !(Flags & sys::fs::F_Append)) &&
SmallString<128> PathStorage;
SmallVector<wchar_t, 128> PathUTF16;
- if (error_code EC = UTF8ToUTF16(Name.toStringRef(PathStorage),
- PathUTF16))
+ if (std::error_code EC =
+ UTF8ToUTF16(Name.toStringRef(PathStorage), PathUTF16))
return EC;
DWORD CreationDisposition;
if (H == INVALID_HANDLE_VALUE) {
DWORD LastError = ::GetLastError();
- error_code EC = windows_error(LastError);
+ std::error_code EC = windows_error(LastError);
// Provide a better error message when trying to open directories.
// This only runs if we failed to open the file, so there is probably
// no performances issues.
if (LastError != ERROR_ACCESS_DENIED)
return EC;
if (is_directory(Name))
- return std::make_error_code(std::errc::is_a_directory);
+ return make_error_code(errc::is_a_directory);
return EC;
}
}
ResultFD = FD;
- return error_code();
+ return std::error_code();
}
} // end namespace fs
return true;
}
+static bool getTempDirEnvVar(const char *Var, SmallVectorImpl<char> &Res) {
+ SmallVector<wchar_t, 128> NameUTF16;
+ if (windows::UTF8ToUTF16(Var, NameUTF16))
+ return false;
+
+ SmallVector<wchar_t, 1024> Buf;
+ size_t Size = 1024;
+ do {
+ Buf.reserve(Size);
+ Size =
+ GetEnvironmentVariableW(NameUTF16.data(), Buf.data(), Buf.capacity());
+ if (Size == 0)
+ return false;
+
+ // Try again with larger buffer.
+ } while (Size > Buf.capacity());
+ Buf.set_size(Size);
+
+ if (windows::UTF16ToUTF8(Buf.data(), Size, Res))
+ return false;
+ return true;
+}
+
+static bool getTempDirEnvVar(SmallVectorImpl<char> &Res) {
+ const char *EnvironmentVariables[] = {"TMP", "TEMP", "USERPROFILE"};
+ for (const char *Env : EnvironmentVariables) {
+ if (getTempDirEnvVar(Env, Res))
+ return true;
+ }
+ return false;
+}
+
+void system_temp_directory(bool ErasedOnReboot, SmallVectorImpl<char> &Result) {
+ (void)ErasedOnReboot;
+ Result.clear();
+
+ // Check whether the temporary directory is specified by an environment
+ // variable.
+ if (getTempDirEnvVar(Result))
+ return;
+
+ // Fall back to a system default.
+ const char *DefaultResult = "C:\\TEMP";
+ Result.append(DefaultResult, DefaultResult + strlen(DefaultResult));
+}
} // end namespace path
namespace windows {
-llvm::error_code UTF8ToUTF16(llvm::StringRef utf8,
- llvm::SmallVectorImpl<wchar_t> &utf16) {
+std::error_code UTF8ToUTF16(llvm::StringRef utf8,
+ llvm::SmallVectorImpl<wchar_t> &utf16) {
if (!utf8.empty()) {
int len = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8.begin(),
utf8.size(), utf16.begin(), 0);
utf16.push_back(0);
utf16.pop_back();
- return llvm::error_code();
+ return std::error_code();
}
-llvm::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len,
- llvm::SmallVectorImpl<char> &utf8) {
+std::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len,
+ llvm::SmallVectorImpl<char> &utf8) {
if (utf16_len) {
// Get length.
int len = ::WideCharToMultiByte(CP_UTF8, 0, utf16, utf16_len, utf8.begin(),
utf8.push_back(0);
utf8.pop_back();
- return llvm::error_code();
+ return std::error_code();
}
} // end namespace windows
} // end namespace sys
projects / oota-llvm.git / blobdiff