cmProp: refactoring: transform alias in class

To handle safely the values used by CMake variables and properties,
introduce the class cmProp as a replacement from the simple pointer
to std::string instance.

1 files changed, 3 insertions, 3 deletions

diff --git a/Source/cmDefinitions.cxx b/Source/cmDefinitions.cxx
index 4a4f87d..9e2d7b9 100644
--- a/Source/cmDefinitions.cxx
+++ b/Source/cmDefinitions.cxx
@@ -34,11 +34,11 @@ cmDefinitions::Def const& cmDefinitions::GetInternal(const std::string& key,
   return begin->Map.emplace(key, def).first->second;
 }
 
-const std::string* cmDefinitions::Get(const std::string& key, StackIter begin,
-                                      StackIter end)
+cmProp cmDefinitions::Get(const std::string& key, StackIter begin,
+                          StackIter end)
 {
   Def const& def = cmDefinitions::GetInternal(key, begin, end, false);
-  return def.Value ? def.Value.str_if_stable() : nullptr;
+  return def.Value ? cmProp(def.Value.str_if_stable()) : nullptr;
 }
 
 void cmDefinitions::Raise(const std::string& key, StackIter begin,