From c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd Mon Sep 17 00:00:00 2001 From: Stephane Chazelas Date: Fri, 22 Dec 2017 22:17:09 +0000 Subject: Avoid crash copying empty hash table. Visible with typeset -p. --- Src/params.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'Src') diff --git a/Src/params.c b/Src/params.c index 31ff0445b..de7730ae7 100644 --- a/Src/params.c +++ b/Src/params.c @@ -549,10 +549,13 @@ scancopyparams(HashNode hn, UNUSED(int flags)) HashTable copyparamtable(HashTable ht, char *name) { - HashTable nht = newparamtable(ht->hsize, name); - outtable = nht; - scanhashtable(ht, 0, 0, 0, scancopyparams, 0); - outtable = NULL; + HashTable nht = 0; + if (ht) { + nht = newparamtable(ht->hsize, name); + outtable = nht; + scanhashtable(ht, 0, 0, 0, scancopyparams, 0); + outtable = NULL; + } return nht; } -- cgit 1.4.1