# HG changeset patch
# User tmodes
# Date 1658245150 -7200
#      Tue Jul 19 17:39:10 2022 +0200
# Node ID edfddc6070ca6d4223d359fb4b38273a5aed2f2d
# Parent  490baa16aae6680792d31316be12a75b50236baa
Fixes crash when environment variable XDG_DATA_HOME is not set

diff -r 490baa16aae6 -r edfddc6070ca src/hugin_base/hugin_utils/utils.cpp
--- a/src/hugin_base/hugin_utils/utils.cpp	Thu May 26 18:58:52 2022 +0200
+++ b/src/hugin_base/hugin_utils/utils.cpp	Tue Jul 19 17:39:10 2022 +0200
@@ -472,9 +472,9 @@
 #else
 #ifdef USE_XDG_DIRS
     char *xdgDataDir = getenv("XDG_DATA_HOME");
-    if (strlen(xdgDataDir) == 0)
+    if (xdgDataDir == NULL || strlen(xdgDataDir) == 0)
     {
-        // no XDG_DATA_HOME enviroment variable set
+        // no XDG_DATA_HOME enviroment variable set or empty variable
         // use $HOME/.local/share instead
         const  std::string homeDir = GetHomeDir();
         if (homeDir.empty())