From 6c9520273d39bef29f20a70e94f04ba782328ec4 Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Fri, 2 Jul 1999 21:35:12 +0000
Subject: [PATCH] (copy_octet_string): don't fail if length == 0 and malloc
 returns NULL

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6388 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/asn1/der_copy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/asn1/der_copy.c b/lib/asn1/der_copy.c
index bd1c7442a..4e040631f 100644
--- a/lib/asn1/der_copy.c
+++ b/lib/asn1/der_copy.c
@@ -54,8 +54,8 @@ int
 copy_octet_string (const octet_string *from, octet_string *to)
 {
     to->length = from->length;
-    to->data = malloc(to->length);
-    if(to->data == NULL)
+    to->data   = malloc(to->length);
+    if(to->length != 0 && to->data == NULL)
 	return ENOMEM;
     memcpy(to->data, from->data, to->length);
     return 0;