From 8930690cd26f19dbb98440d2dcec9b45a20075ab Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sun, 22 Jul 2018 09:53:14 +0200
Subject: [PATCH] plug a small memory leak

---
 src/frontend/inpcom.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 6d9b6c9e8..c65c26336 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -4513,7 +4513,7 @@ inp_compat(struct card *card)
                BGxxx int1 0 V = pwl (expression, x0-(x2-x0)/2, y0, x0, y0, x1, y1, x2, y2, x2+(x2-x0)/2, y2)
             */
             if ((str_ptr = strstr(curr_line, "table")) != NULL) {
-                char *expression, *firstno, *ffirstno, *secondno, *midline, *lastno, *lastlastno;
+                char *expression, *firstno, *ffirstno, *ffirstnof, *secondno, *midline, *lastno, *lastnof, *lastlastno;
                 char *m_ptr, *m_token;
                 double fnumber, lnumber, delta;
                 int nerror;
@@ -4570,7 +4570,7 @@ inp_compat(struct card *card)
                     *str_ptr = ' ';
                 /* get first two numbers to establish extrapolation */
                 str_ptr = cut_line;
-                ffirstno = gettok_node(&cut_line);
+                ffirstnof = ffirstno = gettok_node(&cut_line);
                 if (!ffirstno) {
                     fprintf(stderr, "Error: bad syntax in line %d\n  %s\n",
                             card->linenum_orig, card->line);
@@ -4588,7 +4588,7 @@ inp_compat(struct card *card)
                     else if (*str_ptr == ')')
                         *str_ptr = ' ';
                 /* scan for last two numbers */
-                lastno = gettok_node(&cut_line);
+                lastnof = lastno = gettok_node(&cut_line);
                 lnumber = INPevaluate(&lastno, &nerror, FALSE);
                 /* check for max-min and take half the difference for delta */
                 delta = (lnumber-fnumber)/2.;
@@ -4610,7 +4610,9 @@ inp_compat(struct card *card)
                     card = insert_new_line(card, ckt_array[i], 0, 0);
 
                 tfree(firstno);
+                tfree(ffirstnof);                
                 tfree(secondno);
+                tfree(lastnof);               
                 tfree(lastlastno);
                 tfree(expression);
                 tfree(title_tok);