Optimize calls to std::string::find() and friends for a single char.

The character literal overload is more efficient. PiperOrigin-RevId: 348508612 Change-Id: I0b7c657b7144545d043090e23cd5f488eb1f974d
Clownsw · Dec 21, 2020 · e31c6ec · e31c6ec
1 parent 9b7676b
commit e31c6ec
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/call_graph.cc b/call_graph.cc
@@ -42,10 +42,10 @@ CallGraph::Vertex CallGraph::kInvalidVertex =
 CallGraph::CallGraph() : md_index_(0.0) {}
 
 std::string CallGraph::GetFilename() const {
-  const std::string::size_type filename_pos = filename_.rfind("/");
+  const std::string::size_type filename_pos = filename_.rfind('/');
   const std::string filename(filename_.substr(
       filename_pos != std::string::npos ? filename_pos + 1 : 0));
-  const std::string::size_type extension_pos = filename.rfind(".");
+  const std::string::size_type extension_pos = filename.rfind('.');
   return filename.substr(
       0, extension_pos != std::string::npos ? extension_pos : filename.size());
 }