Support/FileSystem: Implement canonicalize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146363 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc
index 7477b4f2a0..41ed49fec7 100644
--- a/lib/Support/Unix/PathV2.inc
+++ b/lib/Support/Unix/PathV2.inc
@@ -439,6 +439,13 @@ rety_open_create:
   return success;
 }
 
+error_code canonicalize(const Twine &path, SmallVectorImpl<char> &result) {
+  // Paths are already canonicalized on posix systems.
+  assert(path::is_absolute(path) && "path must be absolute!");
+  path.toVector(result);
+  return success;
+}
+
 error_code detail::directory_iterator_construct(detail::DirIterState &it,
                                                 StringRef path){
   SmallString<128> path_null(path);