[FileSpec] Simplify getting extension and stem.

As noted by Pavel on lldb-commits, we don't need the temp path, we can
just pass the filename directly into extension() and path().

llvm-svn: 334618

1 files changed, 3 insertions, 8 deletions

diff --git a/lldb/source/Utility/FileSpec.cpp b/lldb/source/Utility/FileSpec.cpp
index b3436e4..ebb18d5 100644
--- a/lldb/source/Utility/FileSpec.cpp
+++ b/lldb/source/Utility/FileSpec.cpp
@@ -585,17 +585,12 @@ void FileSpec::GetPath(llvm::SmallVectorImpl<char> &path,
 }
 
 ConstString FileSpec::GetFileNameExtension() const {
-  llvm::SmallString<64> current_path;
-  current_path.append(m_filename.GetStringRef().begin(),
-                      m_filename.GetStringRef().end());
-  return ConstString(llvm::sys::path::extension(current_path, m_style));
+  return ConstString(
+      llvm::sys::path::extension(m_filename.GetStringRef(), m_style));
 }
 
 ConstString FileSpec::GetFileNameStrippingExtension() const {
-  llvm::SmallString<64> current_path;
-  current_path.append(m_filename.GetStringRef().begin(),
-                      m_filename.GetStringRef().end());
-  return ConstString(llvm::sys::path::stem(current_path, m_style));
+  return ConstString(llvm::sys::path::stem(m_filename.GetStringRef(), m_style));
 }
 
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