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Implemented proposed resolution for LWG 3120

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This commit is contained in:
Ion Gaztañaga
2018-06-18 00:29:22 +02:00
parent 62a8b6666e
commit 920e009d71
4 changed files with 49 additions and 17 deletions
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10
src/monotonic_buffer_resource.cpp
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@@ -63,6 +63,8 @@ monotonic_buffer_resource::monotonic_buffer_resource(memory_resource* upstream)
, m_current_buffer(0)
, m_current_buffer_size(0u)
, m_next_buffer_size(initial_next_buffer_size)
, m_initial_buffer(0)
, m_initial_buffer_size(0u)
{}
monotonic_buffer_resource::monotonic_buffer_resource(std::size_t initial_size, memory_resource* upstream) BOOST_NOEXCEPT
@@ -70,6 +72,8 @@ monotonic_buffer_resource::monotonic_buffer_resource(std::size_t initial_size, m
, m_current_buffer(0)
, m_current_buffer_size(0u)
, m_next_buffer_size(minimum_buffer_size)
, m_initial_buffer(0)
, m_initial_buffer_size(0u)
{ //In case initial_size is zero
this->increase_next_buffer_at_least_to(initial_size + !initial_size);
}
@@ -81,6 +85,8 @@ monotonic_buffer_resource::monotonic_buffer_resource(void* buffer, std::size_t b
, m_next_buffer_size
(bi::detail::previous_or_equal_pow2
(boost::container::dtl::max_value(buffer_size, std::size_t(initial_next_buffer_size))))
, m_initial_buffer(buffer)
, m_initial_buffer_size(buffer_size)
{ this->increase_next_buffer(); }
monotonic_buffer_resource::~monotonic_buffer_resource()
@@ -89,8 +95,8 @@ monotonic_buffer_resource::~monotonic_buffer_resource()
void monotonic_buffer_resource::release() BOOST_NOEXCEPT
{
m_memory_blocks.release();
m_current_buffer = 0u;
m_current_buffer_size = 0u;
m_current_buffer = m_initial_buffer;
m_current_buffer_size = m_initial_buffer_size;
m_next_buffer_size = initial_next_buffer_size;
}