27 lines
1.0 KiB
Diff
27 lines
1.0 KiB
Diff
From debdf8ce55d2d42c15bc99a09bd2c37c4c910630 Mon Sep 17 00:00:00 2001
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From: David Tardon <dtardon@redhat.com>
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Date: Sat, 18 Nov 2017 10:06:24 +0100
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Subject: [PATCH] ofz#4303 avoid signed integer overflow
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/usr/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp:110:26: runtime error: signed integer overflow: -2147483647 - 19 cannot be represented in type 'int'
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---
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include/boost/spirit/home/qi/numeric/detail/real_impl.hpp | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
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index 3e7ab18a9..4a65bd79c 100644
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--- a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
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+++ b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
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@@ -108,6 +108,8 @@ namespace boost { namespace spirit { namespace traits
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inline bool
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scale(int exp, int frac, T& n, AccT acc_n)
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{
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+ if (exp < std::numeric_limits<int>::min() + frac)
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+ return false;
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return scale(exp - frac, n, acc_n);
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}
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--
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2.14.3
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