From 5ef52a7e44c5e234053a8d9f76071f01f107abd2 Mon Sep 17 00:00:00 2001
From: leitner <leitner>
Date: Wed, 12 Sep 2012 20:20:42 +0000
Subject: [PATCH] catch more bad encoding

---
 scan/scan_utf8.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scan/scan_utf8.c b/scan/scan_utf8.c
index caa96a6..a0d68aa 100644
--- a/scan/scan_utf8.c
+++ b/scan/scan_utf8.c
@@ -41,6 +41,7 @@ size_t scan_utf8(const char* in,size_t len,uint32_t* num) {
    */
   m=(1<<(k*5-4+(k==2)));
   while (k>1) {
+    if ((*in&0xc0)!=0x80) return 0;
     i=(i<<6) | ((*in++)&0x3f);
     --k;
   }