Implement modified LWG 2665

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284313 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-15 22:37:42 +00:00
parent 4ca4e5038b
commit 620a9a5ecf
4 changed files with 31 additions and 4 deletions
--- a/src/experimental/filesystem/path.cpp
+++ b/src/experimental/filesystem/path.cpp
@@ -277,6 +277,16 @@ string_view_t path::__root_directory() const
    return parser::extract_preferred(__pn_, start_i);
 }

+string_view_t path::__root_path_raw() const
+{
+    size_t e = parser::root_directory_end(__pn_);
+    if (!parser::good(e))
+      e = parser::root_name_end(__pn_);
+    if (parser::good(e))
+      return string_view_t{__pn_}.substr(0, e + 1);
+    return {};
+}
+
 string_view_t path::__relative_path() const
 {
    if (empty()) {