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Fix out of bounds access within {front|back}_extended_deque with empty deque.

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The insertion point is not correct with empty deque since the range
{next_down, next_up} is not half-open range.
This commit is contained in:
Kohei Takahashi
2014-11-30 03:58:20 +09:00
parent d05b854c58
commit ed9880c161
6 changed files with 86 additions and 23 deletions
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4
include/boost/fusion/container/deque/deque.hpp
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@ -50,7 +50,7 @@ namespace boost { namespace fusion
typedef bidirectional_traversal_tag category;
typedef mpl::int_<0> size;
typedef mpl::int_<0> next_up;
typedef mpl::int_<0> next_down;
typedef mpl::int_<-1> next_down;
typedef mpl::false_ is_view;
template <typename Sequence>
@ -76,7 +76,7 @@ namespace boost { namespace fusion
typedef typename detail::deque_keyed_values<Head, Tail...>::type base;
typedef mpl::int_<(sizeof ...(Tail) + 1)> size;
typedef mpl::int_<size::value> next_up;
typedef mpl::int_<((size::value == 0) ? 0 : -1)> next_down;
typedef mpl::int_<-1> next_down;
typedef mpl::false_ is_view;
BOOST_FUSION_GPU_ENABLED