The return value struct was freed using a simple free() instead of the own cleanup function of each struct: this meant dynamically allocated values (such as strings) were leaked. Use the proper cleanup functions instead. --- generator/java.ml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/generator/java.ml b/generator/java.ml index a68054c..3c1e611 100644 --- a/generator/java.ml +++ b/generator/java.ml @@ -1000,7 +1000,7 @@ and generate_java_struct_return typ jtyp cols = pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"C\");\n" name; pr " (*env)->SetCharField (env, jr, fl, r->%s);\n" name; ) cols; - pr " free (r);\n"; + pr " guestfs_free_%s (r);\n" typ; pr " return jr;\n" and generate_java_struct_list_return typ jtyp cols = -- 2.7.4