Add support for getting file system permissions and implement sys::fs::permissions to set them.

Patch by James Henderson.

llvm-svn: 297617

1 files changed, 14 insertions, 6 deletions

diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
index fc3cf525c93..5ac60e8dc3e 100644
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -1189,12 +1189,20 @@ 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);
-}
-
-} // end namespace fs
-} // end namespace sys
-} // end namespace llvm
+  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

 
 // Include the truly platform-specific parts.
 #if defined(LLVM_ON_UNIX)