From e81f018ed5c9861bdb2ee4fd0f373608a0c3da9d Mon Sep 17 00:00:00 2001
From: Bill Somerville <g4wjs@classdesign.com>
Date: Tue, 15 Mar 2016 11:17:11 +0000
Subject: [PATCH] Fix buffer overrun in WSPR encode

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6531 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 lib/wsprd/fano.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/wsprd/fano.c b/lib/wsprd/fano.c
index 2e960221c..bf2603a45 100644
--- a/lib/wsprd/fano.c
+++ b/lib/wsprd/fano.c
@@ -69,7 +69,7 @@ int encode(
   int i;
 
   encstate = 0;
-  while(nbytes-- != 0) {
+  while(--nbytes != 0) {
     for(i=7;i>=0;i--) {
       encstate = (encstate << 1) | ((*data >> i) & 1);
       ENCODE(sym,encstate);