From 3de845fac1f943b324ce419b5ee66aa01c77bd0f Mon Sep 17 00:00:00 2001
From: Felipe Zimmerle <fcosta@trustwave.com>
Date: Wed, 2 Sep 2015 22:56:15 -0300
Subject: [PATCH] Fix macro expansion string replacement

It was removing more characters from the string than the actual %{variable}%
---
 src/macro_expansion.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/macro_expansion.cc b/src/macro_expansion.cc
index aff491db..788ff49e 100644
--- a/src/macro_expansion.cc
+++ b/src/macro_expansion.cc
@@ -42,7 +42,7 @@ std::string MacroExpansion::expand(const std::string& input, Assay *assay) {
             variableValue = assay->resolve_variable_first(col, var);
         }
 
-        res.erase(start, end + 2);
+        res.erase(start, end - start + 2);
         if (variableValue != NULL) {
             res.insert(start, *variableValue);
         }