From 46cca8c7efab20f43ded5a37ffe10647f5a80c47 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Wed, 1 May 2024 00:40:42 +0200
Subject: [PATCH] moved code to separate function

---
 src/files.c | 13 +++++++++----
 src/files.h |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/files.c b/src/files.c
index 451edb8b..278938ab 100644
--- a/src/files.c
+++ b/src/files.c
@@ -2675,13 +2675,18 @@ static void ActivateLevelTemplate(void)
   }
 }
 
+boolean isLevelsetFilename_BD(char *filename)
+{
+  return (strSuffixLower(filename, ".bd") ||
+	  strSuffixLower(filename, ".bdr") ||
+	  strSuffixLower(filename, ".brc") ||
+	  strSuffixLower(filename, ".gds"));
+}
+
 static boolean checkForPackageFromBasename_BD(char *basename)
 {
   // check for native BD level file extensions
-  if (!strSuffixLower(basename, ".bd") &&
-      !strSuffixLower(basename, ".bdr") &&
-      !strSuffixLower(basename, ".brc") &&
-      !strSuffixLower(basename, ".gds"))
+  if (!isLevelsetFilename_BD(basename))
     return FALSE;
 
   // check for standard single-level BD files (like "001.bd")
diff --git a/src/files.h b/src/files.h
index 8301b781..aab1da88 100644
--- a/src/files.h
+++ b/src/files.h
@@ -29,6 +29,7 @@ void setElementChangePages(struct ElementInfo *, int);
 void setElementChangeInfoToDefaults(struct ElementChangeInfo *);
 void copyElementInfo(struct ElementInfo *, struct ElementInfo *);
 
+boolean isLevelsetFilename_BD(char *);
 char *getDefaultLevelFilename(int);
 char *getLocalLevelTemplateFilename(void);
 char *getGlobalLevelTemplateFilename(void);
-- 
2.34.1