From: Holger Schemel <info@artsoft.org>
Date: Mon, 10 Feb 2020 22:21:35 +0000 (+0100)
Subject: fixed potential crash bug if personal user level set cannot be found
X-Git-Tag: 4.2.0.0~196
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=47d2e643b787f50db5ac9d8cceae6abe2b1600a6;p=rocksndiamonds.git

fixed potential crash bug if personal user level set cannot be found
---

diff --git a/src/editor.c b/src/editor.c
index 5d38017e..33f0d5b4 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -7715,6 +7715,17 @@ static boolean PrepareSavingIntoPersonalLevelSet(void)
   leveldir_current =
     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
 
+  // this may happen if "setup.internal.create_user_levelset" is FALSE
+  // or if file "levelinfo.conf" is missing in personal user level set
+  if (leveldir_current == NULL)
+  {
+    Request("Cannot find personal level set?!", REQ_CONFIRM);
+
+    leveldir_current = leveldir_former;
+
+    return FALSE;
+  }
+
   // find unused level number
   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
   {
diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index 7f080d9c..db428ad5 100644
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -3889,6 +3889,11 @@ static boolean AddTreeSetToTreeInfoExt(TreeInfo *tree_node_old, char *tree_dir,
     {
       // get level info tree node of personal user level set
       tree_node_old = getTreeInfoFromIdentifier(leveldir_first, getLoginName());
+
+      // this may happen if "setup.internal.create_user_levelset" is FALSE
+      // or if file "levelinfo.conf" is missing in personal user level set
+      if (tree_node_old == NULL)
+	tree_node_old = leveldir_first->node_group;
     }
     else
     {