--- bcrypt-ORIG/rwfile.c	2002-09-12 17:03:01.000000000 -0700

+++ bcrypt-ORIG/rwfile.c	2016-06-30 12:53:08.568733251 -0700

@@ -32,7 +32,7 @@ 

     r = j - sz;

   if ( r < j) {

-    if ((*input = realloc(*input, sz + r + 1)) == NULL)

+    if ((*input = realloc(*input, sz + r + 2)) == NULL)

       memerror();

     memset(*input+sz, 0, r + 1);