From a8696c6d8e1d64f02f65c98818f89532b5694953 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Tue, 1 Nov 2016 00:17:53 +0000
Subject: [PATCH] LLL: do not accept '0x' as 0

---
 liblll/Parser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/liblll/Parser.cpp b/liblll/Parser.cpp
index 219d4f54b..4d2736baa 100644
--- a/liblll/Parser.cpp
+++ b/liblll/Parser.cpp
@@ -100,7 +100,7 @@ void dev::eth::parseTreeLLL(string const& _s, sp::utree& o_out)
 	qi::rule<it, string()> str = '"' > qi::lexeme[+(~qi::char_(std::string("\"") + '\0'))] > '"';
 	qi::rule<it, string()> strsh = '\'' > qi::lexeme[+(~qi::char_(std::string(" ;$@()[]{}:\n\t") + '\0'))];
 	qi::rule<it, symbol_type()> symbol = qi::lexeme[+(~qi::char_(std::string(" $@[]{}:();\"\x01-\x1f\x7f") + '\0'))];
-	qi::rule<it, string()> intstr = qi::lexeme[ qi::no_case["0x"][qi::_val = "0x"] >> *qi::char_("0-9a-fA-F")[qi::_val += qi::_1]] | qi::lexeme[+qi::char_("0-9")[qi::_val += qi::_1]];
+	qi::rule<it, string()> intstr = qi::lexeme[ qi::no_case["0x"][qi::_val = "0x"] >> +qi::char_("0-9a-fA-F")[qi::_val += qi::_1]] | qi::lexeme[+qi::char_("0-9")[qi::_val += qi::_1]];
 	qi::rule<it, sp::utree()> integer = intstr[qi::_val = px::construct<sp::any_ptr>(px::new_<bigint>(qi::_1))];
 	qi::rule<it, space_type, sp::utree()> atom = integer[qi::_val = qi::_1] | (str | strsh)[qi::_val = qi::_1] | symbol[qi::_val = qi::_1];
 	qi::rule<it, space_type, sp::utree::list_type()> seq = '{' > *element > '}';