From bbc98fb67a43b82861f52a7b0869f85d80d724d7 Mon Sep 17 00:00:00 2001
From: AZero13 <gfunni234@gmail.com>
Date: Mon, 26 May 2025 15:15:02 -0400
Subject: [PATCH] CPack/DragNDrop: Avoid crash when locale identifier creation
 fails

If `CFLocaleCreateCanonicalLanguageIdentifierFromString` fails, stop
gracefully.  Otherwise we crash because `CFStringGetCString` cannot work
with null `CFStrings`.
---
 Source/CPack/cmCPackDragNDropGenerator.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/CPack/cmCPackDragNDropGenerator.cxx b/Source/CPack/cmCPackDragNDropGenerator.cxx
index 1d55274b6c..328204aea5 100644
--- a/Source/CPack/cmCPackDragNDropGenerator.cxx
+++ b/Source/CPack/cmCPackDragNDropGenerator.cxx
@@ -601,6 +601,7 @@ int cmCPackDragNDropGenerator::CreateDMG(std::string const& src_dir,
           cmCPackLogger(cmCPackLog::LOG_ERROR,
                         language << " is not a recognized language"
                                  << std::endl);
+          return 0;
         }
         char iso_language_cstr[65];
         CFStringGetCString(iso_language, iso_language_cstr,