X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=lib%2Fmotorvar.cc;fp=lib%2Fmotorvar.cc;h=157031d0a74b8ea5a896c83795cf9d002843b003;hb=da8d26dd80530150db1d4663e964fea0a054626d;hp=4e881efac3610eaee867b09f13760866a7654fa2;hpb=2e7dce06a7136647d7ac3e012f15c30e6e6cf96a;p=hmh%2Fhhml.git

diff --git a/lib/motorvar.cc b/lib/motorvar.cc
index 4e881ef..157031d 100644
--- a/lib/motorvar.cc
+++ b/lib/motorvar.cc
@@ -71,9 +71,10 @@ void  MotorVector::push (MNode* val) {
 
 MNode*  MotorVector::pop () {
     if (size () > 0) {
-	MNode*  ans = back () ();
+	MNodePtr  ans;
+	ans = back () ();
 	pop_back ();
-	return ans;
+	return ans.release ();
     } else {
 	return NULL;
     }
@@ -113,12 +114,13 @@ void  MotorVector::unshift (MNode* val) {
 MNode*  MotorVector::shift () {
     size_t  n = size ();
     if (n > 0) {
-	MNode*  ans = get (0);
+	MNodePtr  ans;
+	ans = get (0);
 	for (size_t i = 1; i < n; ++ i) {
 	    put (i - 1, get (i));
 	}
 	pop ();
-	return ans;
+	return ans.release ();
     } else {
 	return NULL;
     }