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-rw-r--r--llvm/include/llvm/Support/FileSystem.h61
-rw-r--r--llvm/lib/Support/Path.cpp20
-rw-r--r--llvm/lib/Support/Unix/Path.inc21
-rw-r--r--llvm/lib/Support/Windows/Path.inc71
-rw-r--r--llvm/unittests/Support/Path.cpp186
5 files changed, 55 insertions, 304 deletions
diff --git a/llvm/include/llvm/Support/FileSystem.h b/llvm/include/llvm/Support/FileSystem.h
index e684c5a2390..7fa969dfcc7 100644
--- a/llvm/include/llvm/Support/FileSystem.h
+++ b/llvm/include/llvm/Support/FileSystem.h
@@ -178,23 +178,23 @@ public:
Perms(Perms) {}
#elif defined(LLVM_ON_WIN32)
file_status() = default;
-
- file_status(file_type Type) : Type(Type) {}
-
- file_status(file_type Type, perms Perms, uint32_t LastAccessTimeHigh,
- uint32_t LastAccessTimeLow, uint32_t LastWriteTimeHigh,
- uint32_t LastWriteTimeLow, uint32_t VolumeSerialNumber,
- uint32_t FileSizeHigh, uint32_t FileSizeLow,
+
+ file_status(file_type Type) : Type(Type) {}
+
+ file_status(file_type Type, uint32_t LastAccessTimeHigh,
+ uint32_t LastAccessTimeLow, uint32_t LastWriteTimeHigh,
+ uint32_t LastWriteTimeLow, uint32_t VolumeSerialNumber,
+ uint32_t FileSizeHigh, uint32_t FileSizeLow,
uint32_t FileIndexHigh, uint32_t FileIndexLow)
: LastAccessedTimeHigh(LastAccessTimeHigh), LastAccessedTimeLow(LastAccessTimeLow),
LastWriteTimeHigh(LastWriteTimeHigh),
- LastWriteTimeLow(LastWriteTimeLow),
- VolumeSerialNumber(VolumeSerialNumber), FileSizeHigh(FileSizeHigh),
- FileSizeLow(FileSizeLow), FileIndexHigh(FileIndexHigh),
- FileIndexLow(FileIndexLow), Type(Type), Perms(Perms) {}
- #endif
-
- // getters
+ LastWriteTimeLow(LastWriteTimeLow),
+ VolumeSerialNumber(VolumeSerialNumber), FileSizeHigh(FileSizeHigh),
+ FileSizeLow(FileSizeLow), FileIndexHigh(FileIndexHigh),
+ FileIndexLow(FileIndexLow), Type(Type) {}
+ #endif
+
+ // getters
file_type type() const { return Type; }
perms permissions() const { return Perms; }
TimePoint<> getLastAccessedTime() const;
@@ -602,33 +602,12 @@ std::error_code is_other(const Twine &path, bool &result);
std::error_code status(const Twine &path, file_status &result,
bool follow = true);
-/// @brief A version for when a file descriptor is already available.
-std::error_code status(int FD, file_status &Result);
-
-/// @brief Set file permissions.
-///
-/// @param Path File to set permissions on.
-/// @param Permissions New file permissions.
-/// @returns errc::success if the permissions were successfully set, otherwise
-/// a platform-specific error_code.
-/// @note On Windows, all permissions except *_write are ignored. Using any of
-/// owner_write, group_write, or all_write will make the file writable.
-/// Otherwise, the file will be marked as read-only.
-std::error_code setPermissions(const Twine &Path, perms Permissions);
-
-/// @brief Get file permissions.
-///
-/// @param Path File to get permissions from.
-/// @returns the permissions if they were successfully retrieved, otherwise a
-/// platform-specific error_code.
-/// @note On Windows, if the file does not have the FILE_ATTRIBUTE_READONLY
-/// attribute, all_all will be returned. Otherwise, all_read | all_exe
-/// will be returned.
-ErrorOr<perms> getPermissions(const Twine &Path);
-
-/// @brief Get file size.
-///
-/// @param Path Input path.
+/// @brief A version for when a file descriptor is already available.
+std::error_code status(int FD, file_status &Result);
+
+/// @brief Get file size.
+///
+/// @param Path Input path.
/// @param Result Set to the size of the file in \a Path.
/// @returns errc::success if result has been successfully set, otherwise a
/// platform-specific error_code.
diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
index 5ac60e8dc3e..fc3cf525c93 100644
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -1189,20 +1189,12 @@ std::error_code identify_magic(const Twine &Path, file_magic &Result) {
}
std::error_code directory_entry::status(file_status &result) const {
- return fs::status(Path, result, FollowSymlinks);
-}
-
-ErrorOr<perms> getPermissions(const Twine &Path) {
- file_status Status;
- if (std::error_code EC = status(Path, Status))
- return EC;
-
- return Status.permissions();
-}
-
-} // end namespace fs
-} // end namespace sys
-} // end namespace llvm
+ return fs::status(Path, result, FollowSymlinks);
+}
+
+} // end namespace fs
+} // end namespace sys
+} // end namespace llvm
// Include the truly platform-specific parts.
#if defined(LLVM_ON_UNIX)
diff --git a/llvm/lib/Support/Unix/Path.inc b/llvm/lib/Support/Unix/Path.inc
index b2669d51eb8..cdc692b8f1f 100644
--- a/llvm/lib/Support/Unix/Path.inc
+++ b/llvm/lib/Support/Unix/Path.inc
@@ -568,21 +568,12 @@ std::error_code status(const Twine &Path, file_status &Result, bool Follow) {
std::error_code status(int FD, file_status &Result) {
struct stat Status;
int StatRet = ::fstat(FD, &Status);
- return fillStatus(StatRet, Status, Result);
-}
-
-std::error_code setPermissions(const Twine &Path, perms Permissions) {
- SmallString<128> PathStorage;
- StringRef P = Path.toNullTerminatedStringRef(PathStorage);
-
- if (::chmod(P.begin(), Permissions))
- return std::error_code(errno, std::generic_category());
- return std::error_code();
-}
-
-std::error_code setLastModificationAndAccessTime(int FD, TimePoint<> Time) {
-#if defined(HAVE_FUTIMENS)
- timespec Times[2];
+ return fillStatus(StatRet, Status, Result);
+}
+
+std::error_code setLastModificationAndAccessTime(int FD, TimePoint<> Time) {
+#if defined(HAVE_FUTIMENS)
+ timespec Times[2];
Times[0] = Times[1] = sys::toTimeSpec(Time);
if (::futimens(FD, Times))
return std::error_code(errno, std::generic_category());
diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index 8ad1edd12e9..d8a14b41cb2 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -527,21 +527,19 @@ static std::error_code getStatus(HANDLE FileHandle, file_status &Result) {
goto handle_status_error;
{
- file_type Type = (Info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- ? file_type::directory_file
- : file_type::regular_file;
- perms Permissions = (Info.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
- ? (all_read | all_exe)
- : all_all;
- Result = file_status(
- Type, Permissions, Info.ftLastAccessTime.dwHighDateTime,
- Info.ftLastAccessTime.dwLowDateTime,
- Info.ftLastWriteTime.dwHighDateTime, Info.ftLastWriteTime.dwLowDateTime,
- Info.dwVolumeSerialNumber, Info.nFileSizeHigh, Info.nFileSizeLow,
- Info.nFileIndexHigh, Info.nFileIndexLow);
- return std::error_code();
- }
-
+ file_type Type = (Info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ ? file_type::directory_file
+ : file_type::regular_file;
+ Result =
+ file_status(Type, Info.ftLastAccessTime.dwHighDateTime,
+ Info.ftLastAccessTime.dwLowDateTime,
+ Info.ftLastWriteTime.dwHighDateTime,
+ Info.ftLastWriteTime.dwLowDateTime,
+ Info.dwVolumeSerialNumber, Info.nFileSizeHigh,
+ Info.nFileSizeLow, Info.nFileIndexHigh, Info.nFileIndexLow);
+ return std::error_code();
+ }
+
handle_status_error:
DWORD LastError = ::GetLastError();
if (LastError == ERROR_FILE_NOT_FOUND ||
@@ -588,43 +586,12 @@ std::error_code status(const Twine &path, file_status &result, bool Follow) {
std::error_code status(int FD, file_status &Result) {
HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
- return getStatus(FileHandle, Result);
-}
-
-std::error_code setPermissions(const Twine &Path, perms Permissions) {
- SmallVector<wchar_t, 128> PathUTF16;
- if (std::error_code EC = widenPath(Path, PathUTF16))
- return EC;
-
- DWORD Attributes = ::GetFileAttributesW(PathUTF16.begin());
- if (Attributes == INVALID_FILE_ATTRIBUTES)
- return mapWindowsError(GetLastError());
-
- // There are many Windows file attributes that are not to do with the file
- // permissions (e.g. FILE_ATTRIBUTE_HIDDEN). We need to be careful to preserve
- // them.
- if (Permissions & all_write) {
- Attributes &= ~FILE_ATTRIBUTE_READONLY;
- if (Attributes == 0)
- // FILE_ATTRIBUTE_NORMAL indicates no other attributes are set.
- Attributes |= FILE_ATTRIBUTE_NORMAL;
- }
- else {
- Attributes |= FILE_ATTRIBUTE_READONLY;
- // FILE_ATTRIBUTE_NORMAL is not compatible with any other attributes, so
- // remove it, if it is present.
- Attributes &= ~FILE_ATTRIBUTE_NORMAL;
- }
-
- if (!::SetFileAttributesW(PathUTF16.begin(), Attributes))
- return mapWindowsError(GetLastError());
-
- return std::error_code();
-}
-
-std::error_code setLastModificationAndAccessTime(int FD, TimePoint<> Time) {
- FILETIME FT = toFILETIME(Time);
- HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
+ return getStatus(FileHandle, Result);
+}
+
+std::error_code setLastModificationAndAccessTime(int FD, TimePoint<> Time) {
+ FILETIME FT = toFILETIME(Time);
+ HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
if (!SetFileTime(FileHandle, NULL, &FT, &FT))
return mapWindowsError(::GetLastError());
return std::error_code();
diff --git a/llvm/unittests/Support/Path.cpp b/llvm/unittests/Support/Path.cpp
index fd54c1284b0..c9c98f5d70b 100644
--- a/llvm/unittests/Support/Path.cpp
+++ b/llvm/unittests/Support/Path.cpp
@@ -1253,185 +1253,7 @@ TEST_F(FileSystemTest, set_current_path) {
fs::UniqueID D1, D2;
ASSERT_NO_ERROR(fs::getUniqueID(TestDirectory, D1));
ASSERT_NO_ERROR(fs::getUniqueID(path, D2));
- ASSERT_EQ(D1, D2) << "D1: " << TestDirectory << "\nD2: " << path;
-}
-
-TEST_F(FileSystemTest, permissions) {
- int FD;
- SmallString<64> TempPath;
- ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
- FileRemover Cleanup(TempPath);
-
- // Make sure it exists.
- ASSERT_TRUE(fs::exists(Twine(TempPath)));
-
- auto CheckPermissions = [&](fs::perms Expected) {
- ErrorOr<fs::perms> Actual = fs::getPermissions(TempPath);
- return Actual && *Actual == Expected;
- };
-
- std::error_code NoError;
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read | fs::all_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_read | fs::all_exe));
-
-#if defined(LLVM_ON_WIN32)
- fs::perms ReadOnly = fs::all_read | fs::all_exe;
- EXPECT_EQ(fs::setPermissions(TempPath, fs::no_perms), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_read), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_read), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_read), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_gid_on_exe), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::sticky_bit), NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, ReadOnly | fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(ReadOnly));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_all | fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all));
-#else
- EXPECT_EQ(fs::setPermissions(TempPath, fs::no_perms), NoError);
- EXPECT_TRUE(CheckPermissions(fs::no_perms));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_read), NoError);
- EXPECT_TRUE(CheckPermissions(fs::owner_read));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::owner_write));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::owner_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::owner_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::owner_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_read), NoError);
- EXPECT_TRUE(CheckPermissions(fs::group_read));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::group_write));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::group_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::group_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::group_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_read), NoError);
- EXPECT_TRUE(CheckPermissions(fs::others_read));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::others_write));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::others_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::others_all), NoError);
- EXPECT_TRUE(CheckPermissions(fs::others_all));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_read));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_write), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_write));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::set_uid_on_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_gid_on_exe), NoError);
- EXPECT_TRUE(CheckPermissions(fs::set_gid_on_exe));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::sticky_bit), NoError);
- EXPECT_TRUE(CheckPermissions(fs::sticky_bit));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(fs::set_uid_on_exe | fs::set_gid_on_exe |
- fs::sticky_bit));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_read | fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_read | fs::set_uid_on_exe |
- fs::set_gid_on_exe | fs::sticky_bit));
-
- EXPECT_EQ(fs::setPermissions(TempPath, fs::all_all | fs::set_uid_on_exe |
- fs::set_gid_on_exe |
- fs::sticky_bit),
- NoError);
- EXPECT_TRUE(CheckPermissions(fs::all_all | fs::set_uid_on_exe |
- fs::set_gid_on_exe | fs::sticky_bit));
-#endif
-}
-
-} // anonymous namespace
+ ASSERT_EQ(D1, D2) << "D1: " << TestDirectory << "\nD2: " << path;
+}
+
+} // anonymous namespace
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