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Prevent buffer types from matching contiguous iterator overloads.

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Fixes a bug where passing the deprecated const_buffers_1 and
mutable_buffers_1 types to asio::buffer() would result in the contiguous
iterator overloads being incorrectly chosen.
This commit is contained in:
Christopher Kohlhoff
2023-04-04 20:15:01 +10:00
parent 003174d8c9
commit e93db8e7fa
1 changed files with 48 additions and 0 deletions
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48
include/boost/asio/buffer.hpp
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@@ -1568,6 +1568,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_MUTABLE_BUFFER buffer(
is_contiguous_iterator<typename T::iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_const<
typename remove_reference<
@@ -1598,6 +1606,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_MUTABLE_BUFFER buffer(
is_contiguous_iterator<typename T::iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_const<
typename remove_reference<
@@ -1627,6 +1643,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_CONST_BUFFER buffer(
is_contiguous_iterator<typename T::iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
is_const<
typename remove_reference<
@@ -1657,6 +1681,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_CONST_BUFFER buffer(
is_contiguous_iterator<typename T::iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
is_const<
typename remove_reference<
@@ -1685,6 +1717,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_CONST_BUFFER buffer(
typename constraint<
is_contiguous_iterator<typename T::const_iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint()) BOOST_ASIO_NOEXCEPT
{
return BOOST_ASIO_CONST_BUFFER(
@@ -1707,6 +1747,14 @@ BOOST_ASIO_NODISCARD inline BOOST_ASIO_CONST_BUFFER buffer(
typename constraint<
is_contiguous_iterator<typename T::const_iterator>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, const_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint(),
typename constraint<
!is_convertible<T, mutable_buffer>::value,
defaulted_constraint
>::type = defaulted_constraint()) BOOST_ASIO_NOEXCEPT
{
return BOOST_ASIO_CONST_BUFFER(