From 742d06372590b63fc25d6092c038b4e414bea55e Mon Sep 17 00:00:00 2001
From: Alex Linke <alex@use-strict.de>
Date: Tue, 23 Dec 2014 08:12:11 +0100
Subject: [PATCH] Remove leading whitespace from input lines

This allows to indent regular expressions in config files and thus helps
to improve readability.
---
 CfgFileParser.cc |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/CfgFileParser.cc b/CfgFileParser.cc
index a47ec00..ab2c0eb 100644
--- a/CfgFileParser.cc
+++ b/CfgFileParser.cc
@@ -22,6 +22,7 @@
 #include <iostream>
 #include <assert.h>
 #include <cstring>
+#include <ctype.h>
 #include <stdlib.h>
 
 using namespace std;
@@ -121,6 +122,18 @@ char* CfgFileParser::read_line()
    // read next line
    m_infile.getline(str, MAX_CFG_LINE_LENGTH);
 
+   // remove leading whitespace
+   while (isspace(*str))
+   {
+       char *sp = str;
+
+       while (*sp)
+       {
+           *sp = *(sp+1);
+           sp++;
+       }
+   }
+
    // increase line counter
    m_line++;
    
-- 
1.7.10.4