From 24468ddd024d329baf8cc1405b67c85b71345336 Mon Sep 17 00:00:00 2001
From: spoel <spoel>
Date: Sun, 14 Nov 1999 22:18:00 +0000
Subject: [PATCH] Increased extra space in arrays to prevent SEGV

---
 src/mdlib/ns.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/mdlib/ns.c b/src/mdlib/ns.c
index 847419b8db..8c8e6fd131 100644
--- a/src/mdlib/ns.c
+++ b/src/mdlib/ns.c
@@ -91,10 +91,10 @@ static void reallocate_nblist(t_nblist *nl)
   if (debug)
     fprintf(debug,"reallocating neigborlist il_code=%d, maxnri=%d\n",
 	    nl->il_code,nl->maxnri); 
-  srenew(nl->iinr,   nl->maxnri+2);
-  srenew(nl->gid,    nl->maxnri+2);
-  srenew(nl->shift,  nl->maxnri+2);
-  srenew(nl->jindex, nl->maxnri+2);
+  srenew(nl->iinr,   nl->maxnri+4);
+  srenew(nl->gid,    nl->maxnri+4);
+  srenew(nl->shift,  nl->maxnri+4);
+  srenew(nl->jindex, nl->maxnri+4);
 }
 
 static void init_nblist(t_nblist *nl,int homenr,int il_code)
@@ -209,8 +209,10 @@ static void reset_nblist(t_nblist *nl)
   nl->nrj       = 0;
   if (nl->maxnri > 0) {
     nl->iinr[0]   = -1;
-    nl->jindex[0] = 0;
-    nl->jindex[1] = 0;
+    if (nl->maxnrj > 1) {
+      nl->jindex[0] = 0;
+      nl->jindex[1] = 0;
+    }
   }
 }
 
-- 
2.11.4.GIT