diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 47156dc33e518..8f00d2260e4c6 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1208,6 +1208,9 @@ impl PathBuf { /// * if `path` has a root but no prefix (e.g., `\windows`), it /// replaces everything except for the prefix (if any) of `self`. /// * if `path` has a prefix but no root, it replaces `self`. + /// * if `self` has a verbatim prefix (e.g. `\\?\C:\windows`) + /// and `path` is not empty, the new path is normalized: all references + /// to `.` and `..` are removed. /// /// # Examples /// @@ -1254,7 +1257,7 @@ impl PathBuf { self.as_mut_vec().truncate(0); // verbatim paths need . and .. removed - } else if comps.prefix_verbatim() { + } else if comps.prefix_verbatim() && !path.inner.is_empty() { let mut buf: Vec<_> = comps.collect(); for c in path.components() { match c { diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs index 3973a6829d3d3..0a16ff2a721ce 100644 --- a/library/std/src/path/tests.rs +++ b/library/std/src/path/tests.rs @@ -1271,6 +1271,7 @@ pub fn test_push() { tp!(r"\\?\A:\x\y", "/foo", r"\\?\A:\foo"); tp!(r"\\?\A:", r"..\foo\.", r"\\?\A:\foo"); tp!(r"\\?\A:\x\y", r".\foo\.", r"\\?\A:\x\y\foo"); + tp!(r"\\?\A:\x\y", r"", r"\\?\A:\x\y\"); } }