Clean up a few core dumps when layers are used in unexpected ways.

[perl5.git] / ext / NDBM_File / typemap

diff --git a/ext/NDBM_File/typemap b/ext/NDBM_File/typemap
index eeb5d59..40b95f2 100644 (file)
--- a/ext/NDBM_File/typemap
+++ b/ext/NDBM_File/typemap
@@ -20,8 +20,14 @@ T_DATUM_K
        $var.dsize = (int)PL_na;
 T_DATUM_V
         ckFilter($arg, filter_store_value, \"filter_store_value\");
-       $var.dptr = SvPV($arg, PL_na);
-       $var.dsize = (int)PL_na;
+       if (SvOK($arg)) {
+           $var.dptr = SvPV($arg, PL_na);
+           $var.dsize = (int)PL_na;
+       }
+       else {
+           $var.dptr = \"\";
+           $var.dsize = 0;
+       }
 T_GDATUM
        UNIMPLEMENTED
 OUTPUT