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Fix build on windows.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210873 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-06-13 02:36:09 +00:00
parent 4e2b922131
commit 7532b4038f
2 changed files with 90 additions and 85 deletions
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2
lib/Support/MemoryBuffer.cpp
View File

@ -373,7 +373,7 @@ static std::error_code getOpenFileImpl(int FD, const char *Filename,
size_t BytesLeft = MapSize; size_t BytesLeft = MapSize;
#ifndef HAVE_PREAD #ifndef HAVE_PREAD
if (lseek(FD, Offset, SEEK_SET) == -1) if (lseek(FD, Offset, SEEK_SET) == -1)
return error_code(errno, std::generic_category()); return std::error_code(errno, std::generic_category());
#endif #endif
while (BytesLeft) { while (BytesLeft) {

173
lib/Support/Windows/Path.inc
View File

@ -45,11 +45,11 @@ using namespace llvm;
using llvm::sys::windows::UTF8ToUTF16; using llvm::sys::windows::UTF8ToUTF16;
using llvm::sys::windows::UTF16ToUTF8; using llvm::sys::windows::UTF16ToUTF8;
static error_code windows_error(DWORD E) { static std::error_code windows_error(DWORD E) {
return mapWindowsError(E); return mapWindowsError(E);
} }
static error_code TempDir(SmallVectorImpl<char> &Result) { static std::error_code TempDir(SmallVectorImpl<char> &Result) {
SmallVector<wchar_t, 64> Res; SmallVector<wchar_t, 64> Res;
retry_temp_dir: retry_temp_dir:
DWORD Len = ::GetTempPathW(Res.capacity(), Res.begin()); DWORD Len = ::GetTempPathW(Res.capacity(), Res.begin());
@ -124,7 +124,7 @@ TimeValue file_status::getLastModificationTime() const {
return Ret; return Ret;
} }
error_code current_path(SmallVectorImpl<char> &result) { std::error_code current_path(SmallVectorImpl<char> &result) {
SmallVector<wchar_t, MAX_PATH> cur_path; SmallVector<wchar_t, MAX_PATH> cur_path;
DWORD len = MAX_PATH; DWORD len = MAX_PATH;
@ -146,12 +146,12 @@ error_code current_path(SmallVectorImpl<char> &result) {
return UTF16ToUTF8(cur_path.begin(), cur_path.size(), result); 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; SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage), if (std::error_code ec =
path_utf16)) UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec; return ec;
if (!::CreateDirectoryW(path_utf16.begin(), NULL)) { if (!::CreateDirectoryW(path_utf16.begin(), NULL)) {
@ -160,16 +160,16 @@ error_code create_directory(const Twine &path, bool IgnoreExisting) {
return windows_error(LastError); return windows_error(LastError);
} }
return error_code(); return std::error_code();
} }
error_code normalize_separators(SmallVectorImpl<char> &Path) { std::error_code normalize_separators(SmallVectorImpl<char> &Path) {
(void) Path; (void) Path;
return error_code(); return std::error_code();
} }
// We can't use symbolic links for windows. // 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. // Get arguments.
SmallString<128> from_storage; SmallString<128> from_storage;
SmallString<128> to_storage; SmallString<128> to_storage;
@ -179,47 +179,49 @@ error_code create_link(const Twine &to, const Twine &from) {
// Convert to utf-16. // Convert to utf-16.
SmallVector<wchar_t, 128> wide_from; SmallVector<wchar_t, 128> wide_from;
SmallVector<wchar_t, 128> wide_to; SmallVector<wchar_t, 128> wide_to;
if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec; if (std::error_code ec = UTF8ToUTF16(f, wide_from))
if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec; return ec;
if (std::error_code ec = UTF8ToUTF16(t, wide_to))
return ec;
if (!::CreateHardLinkW(wide_from.begin(), wide_to.begin(), NULL)) if (!::CreateHardLinkW(wide_from.begin(), wide_to.begin(), NULL))
return windows_error(::GetLastError()); 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; SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
file_status ST; file_status ST;
if (error_code EC = status(path, ST)) { if (std::error_code EC = status(path, ST)) {
if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting) if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC; return EC;
return error_code(); return std::error_code();
} }
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage), if (std::error_code ec =
path_utf16)) UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec; return ec;
if (ST.type() == file_type::directory_file) { if (ST.type() == file_type::directory_file) {
if (!::RemoveDirectoryW(c_str(path_utf16))) { if (!::RemoveDirectoryW(c_str(path_utf16))) {
error_code EC = windows_error(::GetLastError()); std::error_code EC = windows_error(::GetLastError());
if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting) if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC; return EC;
} }
return error_code(); return std::error_code();
} }
if (!::DeleteFileW(c_str(path_utf16))) { if (!::DeleteFileW(c_str(path_utf16))) {
error_code EC = windows_error(::GetLastError()); std::error_code EC = windows_error(::GetLastError());
if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting) if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC; 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. // Get arguments.
SmallString<128> from_storage; SmallString<128> from_storage;
SmallString<128> to_storage; SmallString<128> to_storage;
@ -229,14 +231,16 @@ error_code rename(const Twine &from, const Twine &to) {
// Convert to utf-16. // Convert to utf-16.
SmallVector<wchar_t, 128> wide_from; SmallVector<wchar_t, 128> wide_from;
SmallVector<wchar_t, 128> wide_to; SmallVector<wchar_t, 128> wide_to;
if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec; if (std::error_code ec = UTF8ToUTF16(f, wide_from))
if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec; 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++) { for (int i = 0; i < 2000; i++) {
if (::MoveFileExW(wide_from.begin(), wide_to.begin(), if (::MoveFileExW(wide_from.begin(), wide_to.begin(),
MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING)) MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING))
return error_code(); return std::error_code();
DWORD LastError = ::GetLastError(); DWORD LastError = ::GetLastError();
if (LastError != ERROR_ACCESS_DENIED) if (LastError != ERROR_ACCESS_DENIED)
break; break;
@ -249,32 +253,32 @@ error_code rename(const Twine &from, const Twine &to) {
return ec; 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; SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage), if (std::error_code ec =
path_utf16)) UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec; return ec;
int fd = ::_wopen(path_utf16.begin(), O_BINARY | _O_RDWR, S_IWRITE); int fd = ::_wopen(path_utf16.begin(), O_BINARY | _O_RDWR, S_IWRITE);
if (fd == -1) if (fd == -1)
return error_code(errno, std::generic_category()); return std::error_code(errno, std::generic_category());
#ifdef HAVE__CHSIZE_S #ifdef HAVE__CHSIZE_S
errno_t error = ::_chsize_s(fd, size); errno_t error = ::_chsize_s(fd, size);
#else #else
errno_t error = ::_chsize(fd, size); errno_t error = ::_chsize(fd, size);
#endif #endif
::close(fd); ::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; SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage), if (std::error_code ec =
path_utf16)) UTF8ToUTF16(path.toStringRef(path_storage), path_utf16))
return ec; return ec;
DWORD attributes = ::GetFileAttributesW(path_utf16.begin()); DWORD attributes = ::GetFileAttributesW(path_utf16.begin());
@ -288,7 +292,7 @@ error_code exists(const Twine &path, bool &result) {
result = false; result = false;
} else } else
result = true; result = true;
return error_code(); return std::error_code();
} }
bool can_write(const Twine &Path) { bool can_write(const Twine &Path) {
@ -325,12 +329,14 @@ bool equivalent(file_status A, file_status B) {
A.VolumeSerialNumber == B.VolumeSerialNumber; 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; file_status fsA, fsB;
if (error_code ec = status(A, fsA)) return ec; if (std::error_code ec = status(A, fsA))
if (error_code ec = status(B, fsB)) return ec; return ec;
if (std::error_code ec = status(B, fsB))
return ec;
result = equivalent(fsA, fsB); result = equivalent(fsA, fsB);
return error_code(); return std::error_code();
} }
static bool isReservedName(StringRef path) { static bool isReservedName(StringRef path) {
@ -356,7 +362,7 @@ static bool isReservedName(StringRef path) {
return false; 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) if (FileHandle == INVALID_HANDLE_VALUE)
goto handle_status_error; goto handle_status_error;
@ -368,16 +374,16 @@ static error_code getStatus(HANDLE FileHandle, file_status &Result) {
if (Err != NO_ERROR) if (Err != NO_ERROR)
return windows_error(Err); return windows_error(Err);
Result = file_status(file_type::type_unknown); Result = file_status(file_type::type_unknown);
return error_code(); return std::error_code();
} }
case FILE_TYPE_DISK: case FILE_TYPE_DISK:
break; break;
case FILE_TYPE_CHAR: case FILE_TYPE_CHAR:
Result = file_status(file_type::character_file); Result = file_status(file_type::character_file);
return error_code(); return std::error_code();
case FILE_TYPE_PIPE: case FILE_TYPE_PIPE:
Result = file_status(file_type::fifo_file); Result = file_status(file_type::fifo_file);
return error_code(); return std::error_code();
} }
BY_HANDLE_FILE_INFORMATION Info; BY_HANDLE_FILE_INFORMATION Info;
@ -393,7 +399,7 @@ static error_code getStatus(HANDLE FileHandle, file_status &Result) {
Info.ftLastWriteTime.dwLowDateTime, Info.ftLastWriteTime.dwLowDateTime,
Info.dwVolumeSerialNumber, Info.nFileSizeHigh, Info.dwVolumeSerialNumber, Info.nFileSizeHigh,
Info.nFileSizeLow, Info.nFileIndexHigh, Info.nFileIndexLow); Info.nFileSizeLow, Info.nFileIndexHigh, Info.nFileIndexLow);
return error_code(); return std::error_code();
} }
handle_status_error: handle_status_error:
@ -408,17 +414,17 @@ handle_status_error:
return windows_error(LastError); 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; SmallString<128> path_storage;
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
StringRef path8 = path.toStringRef(path_storage); StringRef path8 = path.toStringRef(path_storage);
if (isReservedName(path8)) { if (isReservedName(path8)) {
result = file_status(file_type::character_file); 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; return ec;
DWORD attr = ::GetFileAttributesW(path_utf16.begin()); DWORD attr = ::GetFileAttributesW(path_utf16.begin());
@ -449,12 +455,12 @@ error_code status(const Twine &path, file_status &result) {
return getStatus(h, result); 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)); HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
return getStatus(FileHandle, Result); return getStatus(FileHandle, Result);
} }
error_code setLastModificationAndAccessTime(int FD, TimeValue Time) { std::error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
ULARGE_INTEGER UI; ULARGE_INTEGER UI;
UI.QuadPart = Time.toWin32Time(); UI.QuadPart = Time.toWin32Time();
FILETIME FT; FILETIME FT;
@ -463,10 +469,10 @@ error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD)); HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
if (!SetFileTime(FileHandle, NULL, &FT, &FT)) if (!SetFileTime(FileHandle, NULL, &FT, &FT))
return windows_error(::GetLastError()); 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; FileDescriptor = FD;
// Make sure that the requested size fits within SIZE_T. // Make sure that the requested size fits within SIZE_T.
if (Size > std::numeric_limits<SIZE_T>::max()) { if (Size > std::numeric_limits<SIZE_T>::max()) {
@ -491,7 +497,7 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
(Offset + Size) & 0xffffffff, (Offset + Size) & 0xffffffff,
0); 0);
if (FileMappingHandle == NULL) { if (FileMappingHandle == NULL) {
error_code ec = windows_error(GetLastError()); std::error_code ec = windows_error(GetLastError());
if (FileDescriptor) { if (FileDescriptor) {
if (CloseFD) if (CloseFD)
_close(FileDescriptor); _close(FileDescriptor);
@ -512,7 +518,7 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
Offset & 0xffffffff, Offset & 0xffffffff,
Size); Size);
if (Mapping == NULL) { if (Mapping == NULL) {
error_code ec = windows_error(GetLastError()); std::error_code ec = windows_error(GetLastError());
::CloseHandle(FileMappingHandle); ::CloseHandle(FileMappingHandle);
if (FileDescriptor) { if (FileDescriptor) {
if (CloseFD) if (CloseFD)
@ -526,7 +532,7 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
MEMORY_BASIC_INFORMATION mbi; MEMORY_BASIC_INFORMATION mbi;
SIZE_T Result = VirtualQuery(Mapping, &mbi, sizeof(mbi)); SIZE_T Result = VirtualQuery(Mapping, &mbi, sizeof(mbi));
if (Result == 0) { if (Result == 0) {
error_code ec = windows_error(GetLastError()); std::error_code ec = windows_error(GetLastError());
::UnmapViewOfFile(Mapping); ::UnmapViewOfFile(Mapping);
::CloseHandle(FileMappingHandle); ::CloseHandle(FileMappingHandle);
if (FileDescriptor) { if (FileDescriptor) {
@ -547,14 +553,14 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
_close(FileDescriptor); // Also closes FileHandle. _close(FileDescriptor); // Also closes FileHandle.
} else } else
::CloseHandle(FileHandle); ::CloseHandle(FileHandle);
return error_code(); return std::error_code();
} }
mapped_file_region::mapped_file_region(const Twine &path, mapped_file_region::mapped_file_region(const Twine &path,
mapmode mode, mapmode mode,
uint64_t length, uint64_t length,
uint64_t offset, uint64_t offset,
error_code &ec) std::error_code &ec)
: Mode(mode) : Mode(mode)
, Size(length) , Size(length)
, Mapping() , Mapping()
@ -599,7 +605,7 @@ mapped_file_region::mapped_file_region(int fd,
mapmode mode, mapmode mode,
uint64_t length, uint64_t length,
uint64_t offset, uint64_t offset,
error_code &ec) std::error_code &ec)
: Mode(mode) : Mode(mode)
, Size(length) , Size(length)
, Mapping() , Mapping()
@ -667,12 +673,11 @@ int mapped_file_region::alignment() {
return SysInfo.dwAllocationGranularity; return SysInfo.dwAllocationGranularity;
} }
error_code detail::directory_iterator_construct(detail::DirIterState &it, std::error_code detail::directory_iterator_construct(detail::DirIterState &it,
StringRef path){ StringRef path){
SmallVector<wchar_t, 128> path_utf16; SmallVector<wchar_t, 128> path_utf16;
if (error_code ec = UTF8ToUTF16(path, if (std::error_code ec = UTF8ToUTF16(path, path_utf16))
path_utf16))
return ec; return ec;
// Convert path to the format that Windows is happy with. // Convert path to the format that Windows is happy with.
@ -706,9 +711,9 @@ error_code detail::directory_iterator_construct(detail::DirIterState &it,
// Construct the current directory entry. // Construct the current directory entry.
SmallString<128> directory_entry_name_utf8; SmallString<128> directory_entry_name_utf8;
if (error_code ec = UTF16ToUTF8(FirstFind.cFileName, if (std::error_code ec =
::wcslen(FirstFind.cFileName), UTF16ToUTF8(FirstFind.cFileName, ::wcslen(FirstFind.cFileName),
directory_entry_name_utf8)) directory_entry_name_utf8))
return ec; return ec;
it.IterationHandle = intptr_t(FindHandle.take()); it.IterationHandle = intptr_t(FindHandle.take());
@ -716,19 +721,19 @@ error_code detail::directory_iterator_construct(detail::DirIterState &it,
path::append(directory_entry_path, directory_entry_name_utf8.str()); path::append(directory_entry_path, directory_entry_name_utf8.str());
it.CurrentEntry = directory_entry(directory_entry_path.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) if (it.IterationHandle != 0)
// Closes the handle if it's valid. // Closes the handle if it's valid.
ScopedFindHandle close(HANDLE(it.IterationHandle)); ScopedFindHandle close(HANDLE(it.IterationHandle));
it.IterationHandle = 0; it.IterationHandle = 0;
it.CurrentEntry = directory_entry(); 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; WIN32_FIND_DATAW FindData;
if (!::FindNextFileW(HANDLE(it.IterationHandle), &FindData)) { if (!::FindNextFileW(HANDLE(it.IterationHandle), &FindData)) {
DWORD LastError = ::GetLastError(); DWORD LastError = ::GetLastError();
@ -745,21 +750,21 @@ error_code detail::directory_iterator_increment(detail::DirIterState &it) {
return directory_iterator_increment(it); return directory_iterator_increment(it);
SmallString<128> directory_entry_path_utf8; SmallString<128> directory_entry_path_utf8;
if (error_code ec = UTF16ToUTF8(FindData.cFileName, if (std::error_code ec =
::wcslen(FindData.cFileName), UTF16ToUTF8(FindData.cFileName, ::wcslen(FindData.cFileName),
directory_entry_path_utf8)) directory_entry_path_utf8))
return ec; return ec;
it.CurrentEntry.replace_filename(Twine(directory_entry_path_utf8)); 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; SmallString<128> PathStorage;
SmallVector<wchar_t, 128> PathUTF16; SmallVector<wchar_t, 128> PathUTF16;
if (error_code EC = UTF8ToUTF16(Name.toStringRef(PathStorage), if (std::error_code EC =
PathUTF16)) UTF8ToUTF16(Name.toStringRef(PathStorage), PathUTF16))
return EC; return EC;
HANDLE H = ::CreateFileW(PathUTF16.begin(), GENERIC_READ, HANDLE H = ::CreateFileW(PathUTF16.begin(), GENERIC_READ,
@ -767,7 +772,7 @@ error_code openFileForRead(const Twine &Name, int &ResultFD) {
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (H == INVALID_HANDLE_VALUE) { if (H == INVALID_HANDLE_VALUE) {
DWORD LastError = ::GetLastError(); 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. // Provide a better error message when trying to open directories.
// This only runs if we failed to open the file, so there is probably // This only runs if we failed to open the file, so there is probably
// no performances issues. // no performances issues.
@ -785,10 +790,10 @@ error_code openFileForRead(const Twine &Name, int &ResultFD) {
} }
ResultFD = FD; 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) { sys::fs::OpenFlags Flags, unsigned Mode) {
// Verify that we don't have both "append" and "excl". // Verify that we don't have both "append" and "excl".
assert((!(Flags & sys::fs::F_Excl) || !(Flags & sys::fs::F_Append)) && assert((!(Flags & sys::fs::F_Excl) || !(Flags & sys::fs::F_Append)) &&
@ -797,8 +802,8 @@ error_code openFileForWrite(const Twine &Name, int &ResultFD,
SmallString<128> PathStorage; SmallString<128> PathStorage;
SmallVector<wchar_t, 128> PathUTF16; SmallVector<wchar_t, 128> PathUTF16;
if (error_code EC = UTF8ToUTF16(Name.toStringRef(PathStorage), if (std::error_code EC =
PathUTF16)) UTF8ToUTF16(Name.toStringRef(PathStorage), PathUTF16))
return EC; return EC;
DWORD CreationDisposition; DWORD CreationDisposition;
@ -819,7 +824,7 @@ error_code openFileForWrite(const Twine &Name, int &ResultFD,
if (H == INVALID_HANDLE_VALUE) { if (H == INVALID_HANDLE_VALUE) {
DWORD LastError = ::GetLastError(); 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. // Provide a better error message when trying to open directories.
// This only runs if we failed to open the file, so there is probably // This only runs if we failed to open the file, so there is probably
// no performances issues. // no performances issues.
@ -844,7 +849,7 @@ error_code openFileForWrite(const Twine &Name, int &ResultFD,
} }
ResultFD = FD; ResultFD = FD;
return error_code(); return std::error_code();
} }
} // end namespace fs } // end namespace fs
@ -866,7 +871,7 @@ bool home_directory(SmallVectorImpl<char> &result) {
namespace windows { namespace windows {
std::error_code UTF8ToUTF16(llvm::StringRef utf8, std::error_code UTF8ToUTF16(llvm::StringRef utf8,
llvm::SmallVectorImpl<wchar_t> &utf16) { llvm::SmallVectorImpl<wchar_t> &utf16) {
if (!utf8.empty()) { if (!utf8.empty()) {
int len = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8.begin(), int len = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, utf8.begin(),
utf8.size(), utf16.begin(), 0); utf8.size(), utf16.begin(), 0);
@ -892,7 +897,7 @@ std::error_code UTF8ToUTF16(llvm::StringRef utf8,
} }
std::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len, std::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len,
llvm::SmallVectorImpl<char> &utf8) { llvm::SmallVectorImpl<char> &utf8) {
if (utf16_len) { if (utf16_len) {
// Get length. // Get length.
int len = ::WideCharToMultiByte(CP_UTF8, 0, utf16, utf16_len, utf8.begin(), int len = ::WideCharToMultiByte(CP_UTF8, 0, utf16, utf16_len, utf8.begin(),