From 98eb5bf47583612f732f957a3b11a2c1d04803ec Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Fri, 25 Dec 2020 15:38:27 +0100
Subject: [PATCH] bug #537: remove memcopy with overlapping strings Bug
 reported by Ronan BARZIC

---
 src/frontend/numparam/xpressn.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/frontend/numparam/xpressn.c b/src/frontend/numparam/xpressn.c
index f3379b5a7..c3cc60823 100644
--- a/src/frontend/numparam/xpressn.c
+++ b/src/frontend/numparam/xpressn.c
@@ -1424,13 +1424,10 @@ nupa_subcktcall(dico_t *dico, const char *s, const char *x,
     const char *i2 = strstr(ds_get_buf(&tstr), "params:");
 
     if (i2) {
-        const char *optr, *jptr;
-
-        pscopy(&tstr, i2 + 7, NULL);
+        const char* optr, * jptr;
 
         /* search identifier to the left of '=' assignments */
-
-        for (optr = ds_get_buf(&tstr);
+        for (optr = i2 + 7;
                 (jptr = strchr(optr, '=')) != NULL;
                 optr = jptr + 1)
         {