From cc0575ed41e5e4446f48a5fa402c3fb5a23be5b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Thu, 11 Dec 2008 05:03:27 +0000
Subject: [PATCH] on failure set hex_encode output to NULL

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24122 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/roken/hex.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/roken/hex.c b/lib/roken/hex.c
index b5ce01e36..68c18a4eb 100644
--- a/lib/roken/hex.c
+++ b/lib/roken/hex.c
@@ -60,8 +60,10 @@ hex_encode(const void *data, size_t size, char **str)
     char *p;
 
     /* check for overflow */
-    if (size * 2 < size)
+    if (size * 2 < size) {
+        *str = NULL;
 	return -1;
+    }
 
     p = malloc(size * 2 + 1);
     if (p == NULL) {