From 0d9d228c114e9c3f61fa9621f6f11bf563adf8b3 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sun, 11 Nov 2018 18:54:24 +0100
Subject: [PATCH] Put the copy for generating permanent next_token exactly at
 the places where is is needed: INPtermInsert() and
 fast->conn...->neg_node_str XSPICE memory leaks are gone!

---
 src/xspice/mif/mif_inp2.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/xspice/mif/mif_inp2.c b/src/xspice/mif/mif_inp2.c
index f2dc359f5..a6b48e172 100644
--- a/src/xspice/mif/mif_inp2.c
+++ b/src/xspice/mif/mif_inp2.c
@@ -901,8 +901,6 @@ MIFget_port(
         return;
     }
 
-    *next_token = copy(*next_token);
-
     /* Get the first connection or the voltage source name */
 
     switch(def_port_type) {
@@ -916,6 +914,7 @@ MIFget_port(
     case MIF_RESISTANCE:
     case MIF_DIFF_RESISTANCE:
 
+        *next_token = copy(*next_token);
         /* Call the spice3c1 function to put this node in the node list in ckt */
         INPtermInsert(ckt, next_token, tab, pos_node);
 
@@ -927,7 +926,7 @@ MIFget_port(
         break;
 
     case MIF_VSOURCE_CURRENT:
-
+        *next_token = copy(*next_token);
         /* Call the spice3c1 function to put this vsource instance name in */
         /* the symbol table                                                */
         INPinsert(next_token, tab);
@@ -998,6 +997,7 @@ MIFget_port(
             *status = MIF_ERROR;
             return;
         }
+        *next_token = copy(*next_token);
         INPtermInsert(ckt, next_token, tab, neg_node);
         fast->conn[conn_num]->port[port_num]->neg_node_str = *next_token;
         fast->conn[conn_num]->port[port_num]->smp_data.neg_node = neg_node[0]->number;