From: John Darrington <john@darrington.wattle.id.au>
Date: Fri, 27 Mar 2009 04:55:26 +0000 (+0900)
Subject: Test for NULL before calling strdup
X-Git-Tag: v0.7.3~197
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3393b6c0fe4006c0b17be9e9e999b753ce2b7d92;p=pspp-builds.git

Test for NULL before calling strdup
---

diff --git a/src/data/dictionary.c b/src/data/dictionary.c
index 1c50ac7f..6e377f80 100644
--- a/src/data/dictionary.c
+++ b/src/data/dictionary.c
@@ -211,7 +211,8 @@ dict_clone (const struct dictionary *s)
   for (i = 0; i < s->vector_cnt; i++)
     d->vector[i] = vector_clone (s->vector[i], s, d);
 
-  d->encoding = strdup (s->encoding);
+  if ( s->encoding)
+    d->encoding = strdup (s->encoding);
 
   dict_set_attributes (d, dict_get_attributes (s));