//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/WindowsError.h"
#include <fcntl.h>
#include <io.h>
#include <sys/stat.h>
using llvm::sys::windows::UTF8ToUTF16;
using llvm::sys::windows::UTF16ToUTF8;
-static error_code TempDir(SmallVectorImpl<wchar_t> &result) {
+static 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(result.capacity(), result.begin());
+ DWORD Len = ::GetTempPathW(Res.capacity(), Res.begin());
- if (len == 0)
+ if (Len == 0)
return windows_error(::GetLastError());
- if (len > result.capacity()) {
- result.reserve(len);
+ if (Len > Res.capacity()) {
+ Res.reserve(Len);
goto retry_temp_dir;
}
- result.set_size(len);
- return error_code::success();
+ Res.set_size(Len);
+ return UTF16ToUTF8(Res.begin(), Res.size(), Result);
}
static bool is_separator(const wchar_t value) {
}
}
-// FIXME: mode should be used here and default to user r/w only,
-// it currently comes in as a UNIX mode.
-static error_code createUniqueEntity(const Twine &model, int &result_fd,
- SmallVectorImpl<char> &result_path,
- bool makeAbsolute, unsigned mode,
- FSEntity Type) {
- // Use result_path as temp storage.
- result_path.set_size(0);
- StringRef m = model.toStringRef(result_path);
-
- SmallVector<wchar_t, 128> model_utf16;
- if (error_code ec = UTF8ToUTF16(m, model_utf16)) return ec;
-
- if (makeAbsolute) {
- // Make model absolute by prepending a temp directory if it's not already.
- bool absolute = sys::path::is_absolute(m);
-
- if (!absolute) {
- SmallVector<wchar_t, 64> temp_dir;
- if (error_code ec = TempDir(temp_dir)) return ec;
- // Handle c: by removing it.
- if (model_utf16.size() > 2 && model_utf16[1] == L':') {
- model_utf16.erase(model_utf16.begin(), model_utf16.begin() + 2);
- }
- model_utf16.insert(model_utf16.begin(), temp_dir.begin(), temp_dir.end());
- }
- }
-
- // Replace '%' with random chars. From here on, DO NOT modify model. It may be
- // needed if the randomly chosen path already exists.
- SmallVector<wchar_t, 128> random_path_utf16;
-
-retry_random_path:
- random_path_utf16.set_size(0);
- for (SmallVectorImpl<wchar_t>::const_iterator i = model_utf16.begin(),
- e = model_utf16.end();
- i != e; ++i) {
- if (*i == L'%') {
- unsigned val = sys::Process::GetRandomNumber();
- random_path_utf16.push_back(L"0123456789abcdef"[val & 15]);
- }
- else
- random_path_utf16.push_back(*i);
- }
- // Make random_path_utf16 null terminated.
- random_path_utf16.push_back(0);
- random_path_utf16.pop_back();
-
- HANDLE TempFileHandle = INVALID_HANDLE_VALUE;
-
- switch (Type) {
- case FS_File: {
- // Try to create + open the path.
- TempFileHandle =
- ::CreateFileW(random_path_utf16.begin(), GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ, NULL,
- // Return ERROR_FILE_EXISTS if the file
- // already exists.
- CREATE_NEW, FILE_ATTRIBUTE_TEMPORARY, NULL);
- if (TempFileHandle == INVALID_HANDLE_VALUE) {
- // If the file existed, try again, otherwise, error.
- error_code ec = windows_error(::GetLastError());
- if (ec == windows_error::file_exists)
- goto retry_random_path;
-
- return ec;
- }
-
- // Convert the Windows API file handle into a C-runtime handle.
- int fd = ::_open_osfhandle(intptr_t(TempFileHandle), 0);
- if (fd == -1) {
- ::CloseHandle(TempFileHandle);
- ::DeleteFileW(random_path_utf16.begin());
- // MSDN doesn't say anything about _open_osfhandle setting errno or
- // GetLastError(), so just return invalid_handle.
- return windows_error::invalid_handle;
- }
-
- result_fd = fd;
- break;
- }
-
- case FS_Name: {
- DWORD attributes = ::GetFileAttributesW(random_path_utf16.begin());
- if (attributes != INVALID_FILE_ATTRIBUTES)
- goto retry_random_path;
- error_code EC = make_error_code(windows_error(::GetLastError()));
- if (EC != windows_error::file_not_found &&
- EC != windows_error::path_not_found)
- return EC;
- break;
- }
-
- case FS_Dir:
- if (!::CreateDirectoryW(random_path_utf16.begin(), NULL)) {
- error_code EC = windows_error(::GetLastError());
- if (EC != windows_error::already_exists)
- return EC;
- goto retry_random_path;
- }
- break;
- }
-
- // Set result_path to the utf-8 representation of the path.
- if (error_code ec = UTF16ToUTF8(random_path_utf16.begin(),
- random_path_utf16.size(), result_path)) {
- switch (Type) {
- case FS_File:
- ::CloseHandle(TempFileHandle);
- ::DeleteFileW(random_path_utf16.begin());
- case FS_Name:
- break;
- case FS_Dir:
- ::RemoveDirectoryW(random_path_utf16.begin());
- break;
- }
- return ec;
- }
-
- return error_code::success();
-}
-
namespace llvm {
namespace sys {
namespace fs {
return ec;
if (!::CreateDirectoryW(path_utf16.begin(), NULL)) {
- error_code ec = windows_error(::GetLastError());
- if (ec != windows_error::already_exists || !IgnoreExisting)
- return ec;
+ DWORD LastError = ::GetLastError();
+ if (LastError != ERROR_ALREADY_EXISTS || !IgnoreExisting)
+ return windows_error(LastError);
}
- return error_code::success();
+ return error_code();
+}
+
+error_code normalize_separators(SmallVectorImpl<char> &Path) {
+ (void) Path;
+ return error_code();
}
-error_code create_hard_link(const Twine &to, const Twine &from) {
+// We can't use symbolic links for windows.
+error_code create_link(const Twine &to, const Twine &from) {
// Get arguments.
SmallString<128> from_storage;
SmallString<128> to_storage;
if (!::CreateHardLinkW(wide_from.begin(), wide_to.begin(), NULL))
return windows_error(::GetLastError());
- return error_code::success();
+ return error_code();
}
error_code remove(const Twine &path, bool IgnoreNonExisting) {
file_status ST;
if (error_code EC = status(path, ST)) {
- if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
+ if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
- return error_code::success();
+ return error_code();
}
if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
if (ST.type() == file_type::directory_file) {
if (!::RemoveDirectoryW(c_str(path_utf16))) {
error_code EC = windows_error(::GetLastError());
- if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
+ if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
}
- return error_code::success();
+ return error_code();
}
if (!::DeleteFileW(c_str(path_utf16))) {
error_code EC = windows_error(::GetLastError());
- if (EC != errc::no_such_file_or_directory || !IgnoreNonExisting)
+ if (EC != std::errc::no_such_file_or_directory || !IgnoreNonExisting)
return EC;
}
- return error_code::success();
+ return error_code();
}
error_code rename(const Twine &from, const Twine &to) {
if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec;
if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec;
- error_code ec = error_code::success();
+ error_code ec = 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::success();
- ec = windows_error(::GetLastError());
- if (ec != windows_error::access_denied)
+ return error_code();
+ DWORD LastError = ::GetLastError();
+ if (LastError != ERROR_ACCESS_DENIED)
break;
// Retry MoveFile() at ACCESS_DENIED.
// System scanners (eg. indexer) might open the source file when
if (attributes == INVALID_FILE_ATTRIBUTES) {
// See if the file didn't actually exist.
- error_code ec = make_error_code(windows_error(::GetLastError()));
- if (ec != windows_error::file_not_found &&
- ec != windows_error::path_not_found)
- return ec;
+ DWORD LastError = ::GetLastError();
+ if (LastError != ERROR_FILE_NOT_FOUND &&
+ LastError != ERROR_PATH_NOT_FOUND)
+ return windows_error(LastError);
result = false;
} else
result = true;
- return error_code::success();
+ return error_code();
}
bool can_write(const Twine &Path) {
if (error_code ec = status(A, fsA)) return ec;
if (error_code ec = status(B, fsB)) return ec;
result = equivalent(fsA, fsB);
- return error_code::success();
+ return error_code();
}
static bool isReservedName(StringRef path) {
if (Err != NO_ERROR)
return windows_error(Err);
Result = file_status(file_type::type_unknown);
- return error_code::success();
+ return error_code();
}
case FILE_TYPE_DISK:
break;
case FILE_TYPE_CHAR:
Result = file_status(file_type::character_file);
- return error_code::success();
+ return error_code();
case FILE_TYPE_PIPE:
Result = file_status(file_type::fifo_file);
- return error_code::success();
+ return error_code();
}
BY_HANDLE_FILE_INFORMATION Info;
Info.ftLastWriteTime.dwLowDateTime,
Info.dwVolumeSerialNumber, Info.nFileSizeHigh,
Info.nFileSizeLow, Info.nFileIndexHigh, Info.nFileIndexLow);
- return error_code::success();
+ return error_code();
}
handle_status_error:
- error_code EC = windows_error(::GetLastError());
- if (EC == windows_error::file_not_found ||
- EC == windows_error::path_not_found)
+ DWORD LastError = ::GetLastError();
+ if (LastError == ERROR_FILE_NOT_FOUND ||
+ LastError == ERROR_PATH_NOT_FOUND)
Result = file_status(file_type::file_not_found);
- else if (EC == windows_error::sharing_violation)
+ else if (LastError == ERROR_SHARING_VIOLATION)
Result = file_status(file_type::type_unknown);
else
Result = file_status(file_type::status_error);
- return EC;
+ return windows_error(LastError);
}
error_code status(const Twine &path, file_status &result) {
StringRef path8 = path.toStringRef(path_storage);
if (isReservedName(path8)) {
result = file_status(file_type::character_file);
- return error_code::success();
+ return error_code();
}
if (error_code ec = UTF8ToUTF16(path8, path_utf16))
HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
if (!SetFileTime(FileHandle, NULL, &FT, &FT))
return windows_error(::GetLastError());
- return error_code::success();
+ return error_code();
}
error_code get_magic(const Twine &path, uint32_t len,
}
result.set_size(len);
- return error_code::success();
+ return error_code();
}
error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
_close(FileDescriptor);
} else
::CloseHandle(FileHandle);
- return make_error_code(errc::invalid_argument);
+ return make_error_code(std::errc::invalid_argument);
}
DWORD flprotect;
_close(FileDescriptor); // Also closes FileHandle.
} else
::CloseHandle(FileHandle);
- return error_code::success();
+ return error_code();
}
mapped_file_region::mapped_file_region(const Twine &path,
if (closefd)
_close(FileDescriptor);
FileDescriptor = 0;
- ec = make_error_code(errc::bad_file_descriptor);
+ ec = make_error_code(std::errc::bad_file_descriptor);
return;
}
::UnmapViewOfFile(Mapping);
}
-#if LLVM_HAS_RVALUE_REFERENCES
mapped_file_region::mapped_file_region(mapped_file_region &&other)
: Mode(other.Mode)
, Size(other.Size)
other.FileHandle = INVALID_HANDLE_VALUE;
other.FileDescriptor = 0;
}
-#endif
mapped_file_region::mapmode mapped_file_region::flags() const {
assert(Mapping && "Mapping failed but used anyway!");
(FilenameLen == 2 && FirstFind.cFileName[0] == L'.' &&
FirstFind.cFileName[1] == L'.'))
if (!::FindNextFileW(FindHandle, &FirstFind)) {
- error_code ec = windows_error(::GetLastError());
+ DWORD LastError = ::GetLastError();
// Check for end.
- if (ec == windows_error::no_more_files)
+ if (LastError == ERROR_NO_MORE_FILES)
return detail::directory_iterator_destruct(it);
- return ec;
+ return windows_error(LastError);
} else
FilenameLen = ::wcslen(FirstFind.cFileName);
path::append(directory_entry_path, directory_entry_name_utf8.str());
it.CurrentEntry = directory_entry(directory_entry_path.str());
- return error_code::success();
+ return error_code();
}
error_code detail::directory_iterator_destruct(detail::DirIterState &it) {
ScopedFindHandle close(HANDLE(it.IterationHandle));
it.IterationHandle = 0;
it.CurrentEntry = directory_entry();
- return error_code::success();
+ return error_code();
}
error_code detail::directory_iterator_increment(detail::DirIterState &it) {
WIN32_FIND_DATAW FindData;
if (!::FindNextFileW(HANDLE(it.IterationHandle), &FindData)) {
- error_code ec = windows_error(::GetLastError());
+ DWORD LastError = ::GetLastError();
// Check for end.
- if (ec == windows_error::no_more_files)
+ if (LastError == ERROR_NO_MORE_FILES)
return detail::directory_iterator_destruct(it);
- return ec;
+ return windows_error(LastError);
}
size_t FilenameLen = ::wcslen(FindData.cFileName);
return ec;
it.CurrentEntry.replace_filename(Twine(directory_entry_path_utf8));
- return error_code::success();
-}
-
-error_code map_file_pages(const Twine &path, off_t file_offset, size_t size,
- bool map_writable, void *&result) {
- assert(0 && "NOT IMPLEMENTED");
- return windows_error::invalid_function;
-}
-
-error_code unmap_file_pages(void *base, size_t size) {
- assert(0 && "NOT IMPLEMENTED");
- return windows_error::invalid_function;
+ return error_code();
}
error_code openFileForRead(const Twine &Name, int &ResultFD) {
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (H == INVALID_HANDLE_VALUE) {
- error_code EC = windows_error(::GetLastError());
+ DWORD LastError = ::GetLastError();
+ 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 (EC != windows_error::access_denied)
+ if (LastError != ERROR_ACCESS_DENIED)
return EC;
if (is_directory(Name))
- return error_code(errc::is_a_directory, posix_category());
+ return make_error_code(std::errc::is_a_directory);
return EC;
}
int FD = ::_open_osfhandle(intptr_t(H), 0);
if (FD == -1) {
::CloseHandle(H);
- return windows_error::invalid_handle;
+ return windows_error(ERROR_INVALID_HANDLE);
}
ResultFD = FD;
- return error_code::success();
+ return error_code();
}
error_code openFileForWrite(const Twine &Name, int &ResultFD,
else
CreationDisposition = CREATE_ALWAYS;
- HANDLE H = ::CreateFileW(PathUTF16.begin(), GENERIC_WRITE,
+ DWORD Access = GENERIC_WRITE;
+ if (Flags & F_RW)
+ Access |= GENERIC_READ;
+
+ HANDLE H = ::CreateFileW(PathUTF16.begin(), Access,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
CreationDisposition, FILE_ATTRIBUTE_NORMAL, NULL);
if (H == INVALID_HANDLE_VALUE) {
- error_code EC = windows_error(::GetLastError());
+ DWORD LastError = ::GetLastError();
+ 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 (EC != windows_error::access_denied)
+ if (LastError != ERROR_ACCESS_DENIED)
return EC;
if (is_directory(Name))
- return error_code(errc::is_a_directory, posix_category());
+ return make_error_code(std::errc::is_a_directory);
return EC;
}
if (Flags & F_Append)
OpenFlags |= _O_APPEND;
- if (!(Flags & F_Binary))
+ if (Flags & F_Text)
OpenFlags |= _O_TEXT;
int FD = ::_open_osfhandle(intptr_t(H), OpenFlags);
if (FD == -1) {
::CloseHandle(H);
- return windows_error::invalid_handle;
+ return windows_error(ERROR_INVALID_HANDLE);
}
ResultFD = FD;
- return error_code::success();
+ return error_code();
}
} // end namespace fs
utf8.size(), utf16.begin(), 0);
if (len == 0)
- return llvm::windows_error(::GetLastError());
+ return windows_error(::GetLastError());
utf16.reserve(len + 1);
utf16.set_size(len);
utf8.size(), utf16.begin(), utf16.size());
if (len == 0)
- return llvm::windows_error(::GetLastError());
+ return windows_error(::GetLastError());
}
// Make utf16 null terminated.
utf16.push_back(0);
utf16.pop_back();
- return llvm::error_code::success();
+ return llvm::error_code();
}
llvm::error_code UTF16ToUTF8(const wchar_t *utf16, size_t utf16_len,
0, NULL, NULL);
if (len == 0)
- return llvm::windows_error(::GetLastError());
+ return windows_error(::GetLastError());
utf8.reserve(len);
utf8.set_size(len);
utf8.size(), NULL, NULL);
if (len == 0)
- return llvm::windows_error(::GetLastError());
+ return windows_error(::GetLastError());
}
// Make utf8 null terminated.
utf8.push_back(0);
utf8.pop_back();
- return llvm::error_code::success();
+ return llvm::error_code();
}
} // end namespace windows
} // end namespace sys
projects / oota-llvm.git / blobdiff