Merge pull request #399 from gummif/gfa/message-ctor

Problem: message_t ctor string inconsistency
This commit is contained in:
Simon Giesecke
2020-09-08 11:42:55 +02:00
committed by GitHub
2 changed files with 85 additions and 16 deletions

56
zmq.hpp
View File

@@ -342,8 +342,8 @@ inline int poll(std::vector<zmq_pollitem_t> &items, long timeout_ = -1)
}
template<std::size_t SIZE>
inline int poll(std::array<zmq_pollitem_t, SIZE>& items,
std::chrono::milliseconds timeout)
inline int poll(std::array<zmq_pollitem_t, SIZE> &items,
std::chrono::milliseconds timeout)
{
return poll(items.data(), items.size(), static_cast<long>(timeout.count()));
}
@@ -362,6 +362,20 @@ inline std::tuple<int, int, int> version()
zmq_version(&std::get<0>(v), &std::get<1>(v), &std::get<2>(v));
return v;
}
#if !defined(ZMQ_CPP11_PARTIAL)
namespace detail
{
template<class T> struct is_char_type
{
// true if character type for string literals in C++11
static constexpr bool value =
std::is_same<T, char>::value || std::is_same<T, wchar_t>::value
|| std::is_same<T, char16_t>::value || std::is_same<T, char32_t>::value;
};
}
#endif
#endif
class message_t
@@ -398,8 +412,7 @@ class message_t
int rc = zmq_msg_init_size(&msg, size_);
if (rc != 0)
throw error_t();
if (size_)
{
if (size_) {
// this constructor allows (nullptr, 0),
// memcpy with a null pointer is UB
memcpy(data(), data_, size_);
@@ -413,16 +426,40 @@ class message_t
throw error_t();
}
// overload set of string-like types and generic containers
#if defined(ZMQ_CPP11) && !defined(ZMQ_CPP11_PARTIAL)
// NOTE this constructor will include the null terminator
// when called with a string literal.
// An overload taking const char* can not be added because
// it would be preferred over this function and break compatiblity.
template<
class Char,
size_t N,
typename = typename std::enable_if<detail::is_char_type<Char>::value>::type>
ZMQ_DEPRECATED("from 4.7.0, use constructors taking iterators, (pointer, size) "
"or strings instead")
explicit message_t(const Char (&data)[N]) :
message_t(detail::ranges::begin(data), detail::ranges::end(data))
{
}
template<class Range,
typename = typename std::enable_if<
detail::is_range<Range>::value
&& ZMQ_IS_TRIVIALLY_COPYABLE(detail::range_value_t<Range>)
&& !detail::is_char_type<detail::range_value_t<Range>>::value
&& !std::is_same<Range, message_t>::value>::type>
explicit message_t(const Range &rng) :
message_t(detail::ranges::begin(rng), detail::ranges::end(rng))
{
}
explicit message_t(const std::string &str) : message_t(str.data(), str.size()) {}
#if CPPZMQ_HAS_STRING_VIEW
explicit message_t(std::string_view str) : message_t(str.data(), str.size()) {}
#endif
#endif
#ifdef ZMQ_HAS_RVALUE_REFS
@@ -1337,19 +1374,19 @@ template<int Opt, int NullTerm = 1> struct array_option
#define ZMQ_DEFINE_INTEGRAL_OPT(OPT, NAME, TYPE) \
using NAME##_t = integral_option<OPT, TYPE, false>; \
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME{}
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {}
#define ZMQ_DEFINE_INTEGRAL_BOOL_UNIT_OPT(OPT, NAME, TYPE) \
using NAME##_t = integral_option<OPT, TYPE, true>; \
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME{}
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {}
#define ZMQ_DEFINE_ARRAY_OPT(OPT, NAME) \
using NAME##_t = array_option<OPT>; \
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME{}
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {}
#define ZMQ_DEFINE_ARRAY_OPT_BINARY(OPT, NAME) \
using NAME##_t = array_option<OPT, 0>; \
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME{}
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {}
#define ZMQ_DEFINE_ARRAY_OPT_BIN_OR_Z85(OPT, NAME) \
using NAME##_t = array_option<OPT, 2>; \
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME{}
ZMQ_INLINE_VAR ZMQ_CONSTEXPR_VAR NAME##_t NAME {}
// duplicate definition from libzmq 4.3.3
#if defined _WIN32
@@ -2161,7 +2198,6 @@ class socket_t : public detail::socket_base
throw error_t();
if (ctxptr == ZMQ_NULLPTR)
throw error_t();
}
};