Don't call PutString with an empty string. Both DumpChildrenAscii and EndAscii can return without modifyting the string, so we need to check the string before calling PutString. This used to cause a crash.

2019-05-09 11:19:05 +02:00
parent 9430696048
commit 6736f3d24b
1 changed files with 4 additions and 2 deletions
--- a/code/FBXExportNode.cpp
+++ b/code/FBXExportNode.cpp
@@ -252,7 +252,8 @@ void FBX::Node::DumpChildren(
    } else {
        std::ostringstream ss;
        DumpChildrenAscii(ss, indent);
-        s.PutString(ss.str());
+        if (ss.tellp() > 0)
+            s.PutString(ss.str());
    }
 }

@@ -266,7 +267,8 @@ void FBX::Node::End(
    } else {
        std::ostringstream ss;
        EndAscii(ss, indent, has_children);
-        s.PutString(ss.str());
+        if (ss.tellp() > 0)
+            s.PutString(ss.str());
    }
 }