From 6f0c4c39133e08c05ffb1f1d53141a7e80ba6351 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 3 May 2013 12:40:20 +0300
Subject: [PATCH] Restore the check that list options must take an argument

---
 source/core/getopt.cpp | 2 ++
 source/core/getopt.h   | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/source/core/getopt.cpp b/source/core/getopt.cpp
index e909712..fdeb2f8 100644
--- a/source/core/getopt.cpp
+++ b/source/core/getopt.cpp
@@ -21,6 +21,8 @@ GetOpt::OptionImpl &GetOpt::add_option(char s, const string &l, const Store &t,
 {
 	if(l.empty())
 		throw invalid_argument("GetOpt::add_option");
+	if(t.is_list() && a!=REQUIRED_ARG)
+		throw invalid_argument("GetOpt::add_option");
 
 	for(OptionList::iterator i=opts.begin(); i!=opts.end(); )
 	{
diff --git a/source/core/getopt.h b/source/core/getopt.h
index 911934a..70841cb 100644
--- a/source/core/getopt.h
+++ b/source/core/getopt.h
@@ -88,6 +88,7 @@ private:
 
 		virtual Store *clone() const = 0;
 
+		virtual bool is_list() const = 0;
 		virtual void store() = 0;
 		virtual void store(const std::string &) = 0;
 	};
@@ -133,6 +134,8 @@ private:
 		virtual SimpleStore *clone() const
 		{ return new SimpleStore(data); }
 
+		virtual bool is_list() const { return false; }
+
 		virtual void store() { }
 
 		virtual void store(const std::string &a)
@@ -151,6 +154,8 @@ private:
 		virtual ListStore *clone() const
 		{ return new ListStore(data); }
 
+		virtual bool is_list() const { return true; }
+
 		virtual void store() { }
 
 		virtual void store(const std::string &a)
-- 
2.45.2