1From 3d8a80c4f3470fea0169f6774320e61619bac52b Mon Sep 17 00:00:00 2001 2From: David Tardon <dtardon@redhat.com> 3Date: Mon, 2 Oct 2017 16:22:36 +0200 4Subject: [PATCH] ofz#2894 avoid signed integer overflow 5 6/usr/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp:86:48: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself 7--- 8 include/boost/spirit/home/qi/numeric/detail/real_impl.hpp | 7 ++++--- 9 1 file changed, 4 insertions(+), 3 deletions(-) 10 11diff --git a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp 12index 9aa5bb8bb..3e7ab18a9 100644 13--- a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp 14+++ b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp 15@@ -81,12 +81,13 @@ namespace boost { namespace spirit { namespace traits 16 detail::compensate_roundoff(n, acc_n); 17 n /= pow10<T>(-min_exp); 18 19- // return false if (-exp + min_exp) exceeds the -min_exp 20+ // return false if exp still exceeds the min_exp 21 // do this check only for primitive types! 22- if (is_floating_point<T>() && (-exp + min_exp) > -min_exp) 23+ exp += -min_exp; 24+ if (is_floating_point<T>() && exp < min_exp) 25 return false; 26 27- n /= pow10<T>(-exp + min_exp); 28+ n /= pow10<T>(-exp); 29 } 30 else 31 { 32-- 332.14.1 34 35