From 5ab27f256b885de7f13ee6313d0c194433ff6819 Mon Sep 17 00:00:00 2001
From: Daniel Britzger <daniel.britzger@cern.ch>
Date: Mon, 9 Dec 2024 15:30:03 +0100
Subject: [PATCH] fix NULL when accessing instances of read_steer

---
 v2.6/toolkit/fastnlotoolkit/include/fastnlotk/read_steer.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/v2.6/toolkit/fastnlotoolkit/include/fastnlotk/read_steer.h b/v2.6/toolkit/fastnlotoolkit/include/fastnlotk/read_steer.h
index 5eeefc27..3af31028 100644
--- a/v2.6/toolkit/fastnlotoolkit/include/fastnlotk/read_steer.h
+++ b/v2.6/toolkit/fastnlotoolkit/include/fastnlotk/read_steer.h
@@ -597,15 +597,19 @@ public:
       return read_steer::Steering(steerID)->getstcol(label,column); }
    // check existence of value
    static bool getexist(const std::string& label, std::string steerID=read_steer::stdID ){
+      if ( read_steer::instances==NULL ) read_steer::instances = new std::map<string,read_steer*>();
       if ( read_steer::instances->count(steerID) == 0 ) return false;
       return read_steer::Steering(steerID)->exist(label);}
    static bool getarrayexist(const std::string& label, std::string steerID=read_steer::stdID ){
+      if ( read_steer::instances==NULL ) read_steer::instances = new std::map<string,read_steer*>();
       if ( read_steer::instances->count(steerID) == 0 ) return false;
       return read_steer::Steering(steerID)->arrayexist(label);}
    static bool getarraycontainkey(const std::string& key, const std::string& label, std::string steerID=read_steer::stdID ){
+      if ( read_steer::instances==NULL ) read_steer::instances = new std::map<string,read_steer*>();
       if ( read_steer::instances->count(steerID) == 0 ) return false;
       return read_steer::Steering(steerID)->arraycontainkey(key, label);}
    static void arraypushback_steer(const std::string& value, const std::string& label, std::string steerID=read_steer::stdID ){
+      if ( read_steer::instances==NULL ) read_steer::instances = new std::map<string,read_steer*>();
       if ( read_steer::instances->count(steerID) == 0 ) return;
       read_steer::Steering(steerID)->arraypushback(value, label);}
    // add values
-- 
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