From 09283ffbcb921efa89a7a1ca728f1d4b7064df8e Mon Sep 17 00:00:00 2001
From: Sean McBride <sean@rogue-research.com>
Date: Fri, 20 Aug 2021 16:32:15 -0400
Subject: Get class name null str (#899)

* Fixed MSVC compile error in C++23 mode

Error message from MSVC with C++23 enabled:

error C2440: 'return': cannot convert from 'int' to 'std::basic_string<char,std::char_traits,std::allocator>'

* Committing clang-format changes

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
---
 c++/src/H5PropList.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/c++/src/H5PropList.cpp b/c++/src/H5PropList.cpp
index 7dca716..7ee8395 100644
--- a/c++/src/H5PropList.cpp
+++ b/c++/src/H5PropList.cpp
@@ -543,7 +543,7 @@ PropList::getPropSize(const H5std_string &name) const
 // Function:    PropList::getClassName
 ///\brief       Return the name of a generic property list class.
 ///\return      A string containing the class name, if success, otherwise,
-///             a NULL string.
+///             an empty string.
 // Programmer:  Binh-Minh Ribler - April, 2004
 //--------------------------------------------------------------------------
 H5std_string
@@ -557,8 +557,9 @@ PropList::getClassName() const
         return (class_name);
     }
     else
-        return 0;
+        return "";
 }
+
 //--------------------------------------------------------------------------
 // Function:    PropList::getNumProps
 ///\brief       Returns the number of properties in this property list or class.
-- 
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