1 files changed, 4 insertions, 0 deletions
diff --git a/etc.c b/etc.c
index 2870caf..bc72005 100644
--- a/etc.c
+++ b/etc.c
@@ -2016,6 +2016,10 @@ base64_encode(const unsigned char *src, size_t len)
     unsigned long j;
     size_t k;
 
+
+    if (!len)
+	return NULL;
+
     k = len;
     if (k % 3)
       k += 3 - (k % 3);