From 08aefa6aea4a50b445af689b95b2105be460ad9b Mon Sep 17 00:00:00 2001
From: Robin Stuart <rstuart114@gmail.com>
Date: Sat, 26 Nov 2016 11:38:00 +0000
Subject: [PATCH] Include string terminator when keeping track of b256 encoded
 characters

bug report and patch by brunt, ticket #48
---
 backend/dmatrix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/dmatrix.c b/backend/dmatrix.c
index da456b28..c93a1eea 100644
--- a/backend/dmatrix.c
+++ b/backend/dmatrix.c
@@ -250,7 +250,7 @@ static void dminsert(char binary_string[], const int posn, const char newbit) {
     int i, end;
 
     end = (int) strlen(binary_string);
-    for (i = end; i > posn; i--) {
+    for (i = end + 1; i > posn; i--) {
         binary_string[i] = binary_string[i - 1];
     }
     binary_string[posn] = newbit;