Support/PathV2: Add is_{absolute,relative} implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120560 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index 57ccf89..a4a3f38 100644
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -642,6 +642,30 @@
return make_error_code(errc::success);
}
+error_code is_absolute(const Twine &path, bool &result) {
+ SmallString<128> path_storage;
+ StringRef p = path.toStringRef(path_storage);
+
+ bool rootDir = false,
+ rootName = false;
+ if (error_code ec = has_root_directory(p, rootDir)) return ec;
+#ifdef LLVM_ON_WIN32
+ if (error_code ec = has_root_name(p, rootName)) return ec;
+#else
+ rootName = true;
+#endif
+
+ result = rootDir && rootName;
+ return make_error_code(errc::success);
+}
+
+error_code is_relative(const Twine &path, bool &result) {
+ bool res;
+ error_code ec = is_absolute(path, res);
+ result = !res;
+ return ec;
+}
+
}
}
}