Don't segfault when dir is empty

diff --git a/simgear/misc/sg_path.cxx b/simgear/misc/sg_path.cxx
index 4cfc3576578eff19677f7d2249d89c6797c4b9e4..ce466142d163aaed77c6c640ea0b0d504b47278a 100644 (file)
--- a/simgear/misc/sg_path.cxx
+++ b/simgear/misc/sg_path.cxx
@@ -195,6 +195,8 @@ bool SGPath::exists() const {
 
 void SGPath::create_dir( mode_t mode ) {
     string_list dirlist = sgPathSplit(dir());
+    if ( dirlist.empty() )
+        return;
     string path = dirlist[0];
     string_list path_elements = sgPathBranchSplit(path);
     bool absolute = !path.empty() && path[0] == sgDirPathSep;