Support/FileSystem: Add create_director{y,ies} implementations.

llvm-svn: 120790

1 files changed, 20 insertions, 0 deletions

diff --git a/llvm/lib/Support/Windows/PathV2.inc b/llvm/lib/Support/Windows/PathV2.inc
index a93ac224a3d..4adbda3cab1 100644
--- a/llvm/lib/Support/Windows/PathV2.inc
+++ b/llvm/lib/Support/Windows/PathV2.inc
@@ -181,6 +181,26 @@ error_code copy_file(const Twine &from, const Twine &to, copy_option copt) {
   return make_error_code(errc::success);
 }
 
+error_code create_directory(const Twine &path, bool &existed) {
+  SmallString<128> path_storage;
+  SmallVector<wchar_t, 128> path_utf16;
+
+  if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
+                                  path_utf16))
+    return ec;
+
+  if (!::CreateDirectoryW(path_utf16.begin(), NULL)) {
+    error_code ec = make_error_code(windows_error(::GetLastError()));
+    if (ec == make_error_code(windows_error::already_exists))
+      existed = true;
+    else
+      return ec;
+  } else
+    existed = false;
+
+  return make_error_code(errc::success);
+}
+
 error_code exists(const Twine &path, bool &result) {
   SmallString<128> path_storage;
   SmallVector<wchar_t, 128> path_utf16;