Updated README.

Merge pull request #621 from redboltz/v2.1.4
Updated the version to 2.1.4.
2025-10-21 07:45:02 +02:00 · 2017-08-04 07:18:17 +09:00 · 2017-08-03 23:59:16 +09:00 · 2017-08-03 22:46:40 +09:00 · 2017-07-26 11:30:43 +09:00 · 2017-07-26 10:24:17 +09:00
78 changed files with 1157 additions and 256 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+# 2017-08-03 version 2.1.4
+  * Add boost asio examples (including zlib) (#610)
+  * Remove some warnings (#611)
+  * Fix unpack visitor to treat float32/64 correctly (#613)
+  * Improve documents (#616)
+  * Fix alignment problem on some platform (#617, #518)
+  * Fix conflict std::tuple, std::pair, and boost::fusion::sequence problem (#619)
+
+# 2017-06-15 version 2.1.3
+  * Improve build system (#603)
+  * Add C++17 adaptors `std::optional` and `std::string_view`. (#607, #608)
+  * Improve cross platform configuration (#601)
+  * Remove some warnings (#599, #602, #605)
+
 # 2017-06-07 version 2.1.2

 * Improve documents (#565)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,7 +50,15 @@ IF (MSGPACK_USE_X3_PARSE)
      ENDIF ()
   ENDIF ()
 ELSE ()
-   IF (MSGPACK_CXX11)
+   IF (MSGPACK_CXX17)
+      IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+         SET (CMAKE_CXX_FLAGS "-std=c++17 ${CMAKE_CXX_FLAGS}")
+      ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+         SET (CMAKE_CXX_FLAGS "-std=c++17 ${CMAKE_CXX_FLAGS}")
+      ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+         MESSAGE ( FATAL_ERROR "MSVC doesn't support C++17.")
+      ENDIF ()
+   ELSEIF (MSGPACK_CXX11)
      IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
         SET (CMAKE_CXX_FLAGS "-std=c++11 ${CMAKE_CXX_FLAGS}")
      ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
@@ -251,7 +259,12 @@ ENDIF ()

 IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC90" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC10")
    SET_SOURCE_FILES_PROPERTIES(${msgpackc_SOURCES} PROPERTIES LANGUAGE CXX)
-ENDIF()
+ENDIF ()
+
+IF ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "sparc")
+    SET (CMAKE_C_FLAGS   "-DMSGPACK_ZONE_ALIGN=8 ${CMAKE_C_FLAGS}")
+    SET (CMAKE_CXX_FLAGS "-DMSGPACK_ZONE_ALIGN=8 ${CMAKE_CXX_FLAGS}")
+ENDIF ()

 IF (NOT DEFINED CMAKE_INSTALL_BINDIR)
    SET(CMAKE_INSTALL_BINDIR bin)
--- a/Files.cmake
+++ b/Files.cmake
@@ -180,6 +180,8 @@ IF (MSGPACK_ENABLE_CXX)
        include/msgpack/adaptor/cpp11/unique_ptr.hpp
        include/msgpack/adaptor/cpp11/unordered_map.hpp
        include/msgpack/adaptor/cpp11/unordered_set.hpp
+        include/msgpack/adaptor/cpp17/optional.hpp
+        include/msgpack/adaptor/cpp17/string_view.hpp
        include/msgpack/adaptor/define.hpp
        include/msgpack/adaptor/define_decl.hpp
        include/msgpack/adaptor/deque.hpp
@@ -528,6 +530,8 @@ IF (MSGPACK_ENABLE_CXX)
        include/msgpack/v1/adaptor/cpp11/unique_ptr.hpp
        include/msgpack/v1/adaptor/cpp11/unordered_map.hpp
        include/msgpack/v1/adaptor/cpp11/unordered_set.hpp
+        include/msgpack/v1/adaptor/cpp17/optional.hpp
+        include/msgpack/v1/adaptor/cpp17/string_view.hpp
        include/msgpack/v1/adaptor/define.hpp
        include/msgpack/v1/adaptor/define_decl.hpp
        include/msgpack/v1/adaptor/deque.hpp
--- a/QUICKSTART-C.md
+++ b/QUICKSTART-C.md
@@ -96,7 +96,7 @@ int main(void) {
        /* deserializes it. */
        msgpack_unpacked msg;
        msgpack_unpacked_init(&msg);
-        bool success = msgpack_unpack_next(&msg, buffer->data, buffer->size, NULL);
+        msgpack_unpack_return ret = msgpack_unpack_next(&msg, buffer->data, buffer->size, NULL);

        /* prints the deserialized object. */
        msgpack_object obj = msg.data;
@@ -137,7 +137,7 @@ int main(void) {
           /* deserializes it. */
           msgpack_unpacked msg;
           msgpack_unpacked_init(&msg);
-           bool success = msgpack_unpack_next(&msg, buffer->data, buffer->size, NULL);
+           msgpack_unpack_return ret = msgpack_unpack_next(&msg, buffer->data, buffer->size, NULL);

           /* prints the deserialized object. */
           msgpack_object obj = msg.data;
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 `msgpack` for C/C++
 ===================

-Version 2.1.2 [![Build Status](https://travis-ci.org/msgpack/msgpack-c.svg?branch=master)](https://travis-ci.org/msgpack/msgpack-c) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/master)
+Version 2.1.4 [![Build Status](https://travis-ci.org/msgpack/msgpack-c.svg?branch=master)](https://travis-ci.org/msgpack/msgpack-c) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/master)

 It's like JSON but small and fast.

--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 2.1.2.{build}
+version: 2.1.4.{build}

 image:
 - Visual Studio 2015
--- a/erb/v1/cpp03_define_array.hpp.erb
+++ b/erb/v1/cpp03_define_array.hpp.erb
@@ -75,7 +75,7 @@ struct define_array<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*<%=i+1%>));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*<%=i+1%>, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = <%=i+1%>;
        <%0.upto(i) {|j|%>
        o->via.array.ptr[<%=j%>] = msgpack::object(a<%=j%>, z);<%}%>
--- a/erb/v1/cpp03_define_map.hpp.erb
+++ b/erb/v1/cpp03_define_map.hpp.erb
@@ -82,7 +82,7 @@ struct define_map<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*<%=(i+1)/2%>));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*<%=(i+1)/2%>, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = <%=(i+1)/2%>;
        <%0.step(i,2) {|j|%>
        o->via.map.ptr[<%=j/2%>].key = msgpack::object(a<%=j%>, z);
--- a/erb/v1/cpp03_msgpack_tuple.hpp.erb
+++ b/erb/v1/cpp03_msgpack_tuple.hpp.erb
@@ -207,7 +207,7 @@ struct object_with_zone<type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*<%=i+1%>));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*<%=i+1%>, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = <%=i+1%>;
        <%0.upto(i) {|j|%>
        o.via.array.ptr[<%=j%>] = msgpack::object(v.template get<<%=j%>>(), o.zone);<%}%>
--- a/erb/v1/cpp03_zone.hpp.erb
+++ b/erb/v1/cpp03_zone.hpp.erb
@@ -178,7 +178,9 @@ private:
    template <typename T>
    static void object_delete(void* obj);

-    void* allocate_expand(size_t size);
+    static char* get_aligned(char* ptr, size_t align);
+
+    char* allocate_expand(size_t size);
 private:
    zone(const zone&);
    zone& operator=(const zone&);
@@ -188,37 +190,42 @@ inline zone::zone(size_t chunk_size) /* throw() */ :m_chunk_size(chunk_size), m_
 {
 }

-inline void* zone::allocate_align(size_t size, size_t align)
+inline char* zone::get_aligned(char* ptr, size_t align)
 {
-    char* aligned =
+    return
        reinterpret_cast<char*>(
            reinterpret_cast<size_t>(
-                (m_chunk_list.m_ptr + (align - 1))) / align * align);
+            (ptr + (align - 1))) / align * align);
+}
+
+inline void* zone::allocate_align(size_t size, size_t align)
+{
+    char* aligned = get_aligned(m_chunk_list.m_ptr, align);
    size_t adjusted_size = size + (aligned - m_chunk_list.m_ptr);
-    if(m_chunk_list.m_free >= adjusted_size) {
-        m_chunk_list.m_free -= adjusted_size;
-        m_chunk_list.m_ptr  += adjusted_size;
-        return aligned;
+    if (m_chunk_list.m_free < adjusted_size) {
+        size_t enough_size = size + align - 1;
+        char* ptr = allocate_expand(enough_size);
+        aligned = get_aligned(ptr, align);
+        adjusted_size = size + (aligned - m_chunk_list.m_ptr);
    }
-    return reinterpret_cast<char*>(
-        reinterpret_cast<size_t>(
-            allocate_expand(size + (align - 1))) / align * align);
+    m_chunk_list.m_free -= adjusted_size;
+    m_chunk_list.m_ptr  += adjusted_size;
+    return aligned;
 }

 inline void* zone::allocate_no_align(size_t size)
 {
-    if(m_chunk_list.m_free < size) {
-        return allocate_expand(size);
-    }
-
    char* ptr = m_chunk_list.m_ptr;
+    if(m_chunk_list.m_free < size) {
+        ptr = allocate_expand(size);
+    }
    m_chunk_list.m_free -= size;
    m_chunk_list.m_ptr  += size;

    return ptr;
 }

-inline void* zone::allocate_expand(size_t size)
+inline char* zone::allocate_expand(size_t size)
 {
    chunk_list* const cl = &m_chunk_list;

@@ -240,8 +247,8 @@ inline void* zone::allocate_expand(size_t size)

    c->m_next  = cl->m_head;
    cl->m_head = c;
-    cl->m_free = sz - size;
-    cl->m_ptr  = ptr + size;
+    cl->m_free = sz;
+    cl->m_ptr  = ptr;

    return ptr;
 }
@@ -300,7 +307,7 @@ inline std::size_t aligned_size(
 template <typename T<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
 T* zone::allocate(<%=(1..i).map{|j|"A#{j} a#{j}"}.join(', ')%>)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
--- a/erb/v1/cpp03_zone_decl.hpp.erb
+++ b/erb/v1/cpp03_zone_decl.hpp.erb
@@ -24,6 +24,14 @@
 #define MSGPACK_ZONE_ALIGN sizeof(void*)
 #endif

+#if defined(_MSC_VER)
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof(type)
+#else
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof__(type)
+#endif
+// For a compiler that doesn't support __alignof__:
+// #define MSGPACK_ZONE_ALIGNOF(type) MSGPACK_ZONE_ALIGN
+
 <% GENERATION_LIMIT = 15 %>
 namespace msgpack {

--- a/example/boost/CMakeLists.txt
+++ b/example/boost/CMakeLists.txt
@@ -3,6 +3,20 @@ IF (MSGPACK_BOOST)
        msgpack_variant_capitalize.cpp
        msgpack_variant_mapbased.cpp
    )
+    IF (MSGPACK_CXX11 OR MSGPACK_CXX17)
+        FIND_PACKAGE (Threads REQUIRED)
+        LIST (APPEND exec_PROGRAMS
+            asio_send_recv.cpp
+        )
+        IF (ZLIB_FOUND)
+            INCLUDE_DIRECTORIES (
+                ${ZLIB_INCLUDE_DIRS}
+            )
+            LIST (APPEND exec_PROGRAMS
+                asio_send_recv_zlib.cpp
+            )
+        ENDIF ()
+    ENDIF ()
 ENDIF ()

 FOREACH (source_file ${exec_PROGRAMS})
@@ -15,6 +29,15 @@ FOREACH (source_file ${exec_PROGRAMS})
        PRIVATE
            $<TARGET_PROPERTY:msgpackc,INTERFACE_INCLUDE_DIRECTORIES>
    )
+    TARGET_LINK_LIBRARIES (${source_file_we}
+        ${Boost_SYSTEM_LIBRARY}
+        ${CMAKE_THREAD_LIBS_INIT}
+    )
+    IF (ZLIB_FOUND)
+        TARGET_LINK_LIBRARIES (${source_file_we}
+            ${ZLIB_LIBRARIES}
+        )
+    ENDIF()
    IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
        SET_PROPERTY (TARGET ${source_file_we} APPEND_STRING PROPERTY COMPILE_FLAGS "-Wall -Wextra -Werror -g -O3")
    ENDIF ()
--- a/example/boost/asio_send_recv.cpp
+++ b/example/boost/asio_send_recv.cpp
@@ -0,0 +1,95 @@
+// MessagePack for C++ example
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <string>
+#include <sstream>
+#include <iostream>
+
+#include <boost/asio.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <msgpack.hpp>
+
+int main() {
+    boost::asio::io_service ios;
+    std::uint16_t const port = 12345;
+
+    // Server
+    std::size_t const window_size = 10;
+    boost::asio::ip::tcp::acceptor ac(ios, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port));
+    boost::asio::ip::tcp::socket ss(ios);
+    std::function<void()> do_accept;
+    std::function<void()> do_async_read_some;
+
+    msgpack::unpacker unp;
+
+    do_accept = [&] {
+        ac.async_accept(
+            ss,
+            [&]
+            (boost::system::error_code const& e) {
+                if (e) {
+                    std::cout << __LINE__ << ":" << e.message() << std::endl;
+                    return;
+                }
+                unp.reserve_buffer(window_size);
+                do_async_read_some = [&] {
+                    ss.async_read_some(
+                        boost::asio::buffer(unp.buffer(), window_size),
+                        [&](boost::system::error_code const& e, std::size_t bytes_transferred) {
+                            if (e) {
+                                std::cout << __LINE__ << ":" << e.message() << std::endl;
+                                return;
+                            }
+                            std::cout << bytes_transferred << " bytes read." << std::endl;
+                            unp.buffer_consumed(bytes_transferred);
+                            msgpack::object_handle oh;
+                            while (unp.next(oh)) {
+                                std::cout << oh.get() << std::endl;
+                                // In order to finish the program,
+                                // return if one complete msgpack is processed.
+                                // In actual server, don't return here.
+                                return;
+                            }
+                            do_async_read_some();
+                        }
+                    );
+                };
+                do_async_read_some();
+            }
+        );
+    };
+    do_accept();
+
+    // Client
+    auto host = "localhost";
+    boost::asio::ip::tcp::resolver r(ios);
+    boost::asio::ip::tcp::resolver::query q(host, boost::lexical_cast<std::string>(port));
+    auto it = r.resolve(q);
+    boost::asio::ip::tcp::socket cs(ios);
+    boost::asio::async_connect(
+        cs,
+
+        it,
+        [&]
+        (boost::system::error_code const& e, boost::asio::ip::tcp::resolver::iterator) {
+            if (e) {
+                std::cout << __LINE__ << ":" << e.message() << std::endl;
+                return;
+            }
+            std::cout << __LINE__ << ":client connected" << std::endl;
+            msgpack::sbuffer sb;
+            msgpack::pack(sb, std::make_tuple(42, false, "hello world", 12.3456));
+            write(cs, boost::asio::buffer(sb.data(), sb.size()));
+        }
+    );
+
+    // Start
+    ios.run();
+}
--- a/example/boost/asio_send_recv_zlib.cpp
+++ b/example/boost/asio_send_recv_zlib.cpp
@@ -0,0 +1,165 @@
+// MessagePack for C++ example
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <string>
+#include <sstream>
+#include <iostream>
+
+#include <boost/asio.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include <msgpack.hpp>
+#include <msgpack/zbuffer.hpp>
+
+#include <zlib.h>
+
+void print(std::string const& buf) {
+    for (std::string::const_iterator it = buf.begin(), end = buf.end();
+         it != end;
+         ++it) {
+        std::cout
+            << std::setw(2)
+            << std::hex
+            << std::setfill('0')
+            << (static_cast<int>(*it) & 0xff)
+            << ' ';
+    }
+    std::cout << std::dec << std::endl;
+}
+
+int main() {
+    boost::asio::io_service ios;
+    std::uint16_t const port = 12345;
+
+    int num_of_zlib_data = 2;
+    int idx_zlib_data = 0;
+
+    // Server
+    std::size_t const window_size = 11;
+    boost::asio::ip::tcp::acceptor ac(ios, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port));
+    boost::asio::ip::tcp::socket ss(ios);
+    std::function<void()> do_accept;
+    std::function<void()> do_async_read_some;
+
+    // zlib for decompress
+    z_stream strm;
+    auto zlib_init = [&] {
+        strm.zalloc = Z_NULL;
+        strm.zfree = Z_NULL;
+        strm.opaque = Z_NULL;
+        strm.next_in = Z_NULL;
+        {
+            int zret = inflateInit(&strm);
+            if (zret != Z_OK) {
+                std::cout << "Zlib inflateInit() error = " << zret << std::endl;
+            }
+        }
+    };
+    zlib_init();
+    std::vector<char> buf(4); // buf size
+
+    msgpack::unpacker unp;
+
+    do_accept = [&] {
+        ac.async_accept(
+            ss,
+            [&]
+            (boost::system::error_code const& e) {
+                if (e) {
+                    std::cout << __LINE__ << ":" << e.message() << std::endl;
+                    return;
+                }
+                do_async_read_some = [&] {
+                    ss.async_read_some(
+                        boost::asio::buffer(buf),
+                        [&](boost::system::error_code const& e, std::size_t bytes_transferred) {
+                            if (e) {
+                                std::cout << __LINE__ << ":" << e.message() << std::endl;
+                                return;
+                            }
+                            std::cout << bytes_transferred << " bytes read." << std::endl;
+                            print(std::string(std::string(&buf[0], buf.size())));
+                            strm.avail_in = bytes_transferred;
+                            do {
+                                strm.next_in = reinterpret_cast<unsigned char*>(&buf[0]) + (bytes_transferred - strm.avail_in);
+                                int zret;
+                                unp.reserve_buffer(window_size);
+                                strm.avail_out = window_size;
+                                strm.next_out = reinterpret_cast<unsigned char*>(unp.buffer());
+                                do {
+                                    zret = inflate(&strm, Z_NO_FLUSH);
+                                    assert(zret != Z_STREAM_ERROR);
+                                    switch (zret) {
+                                    case Z_NEED_DICT:
+                                        zret = Z_DATA_ERROR;
+                                        // fall through
+                                    case Z_DATA_ERROR:
+                                    case Z_MEM_ERROR:
+                                        inflateEnd(&strm);
+                                        std::cout << "Zlib inflate() error = " << zret << std::endl;
+                                        std::exit(-1);
+                                    }
+                                    std::size_t decompressed_size = window_size - strm.avail_out;
+                                    std::cout << decompressed_size << " bytes decompressed." << std::endl;
+                                    unp.buffer_consumed(decompressed_size);
+                                    msgpack::object_handle oh;
+                                    while (unp.next(oh)) {
+                                        std::cout << oh.get() << std::endl;
+                                    }
+                                } while (strm.avail_out == 0);
+                                if (zret == Z_STREAM_END) {
+                                    inflateEnd(&strm);
+                                    std::cout << "Zlib decompress finished." << std::endl;
+                                    ++idx_zlib_data;
+                                    if (idx_zlib_data == num_of_zlib_data) {
+                                        std::cout << "All zlib decompress finished." << std::endl;
+                                        return;
+                                    }
+                                    zlib_init();
+                                }
+                            } while (strm.avail_in != 0);
+                            do_async_read_some();
+                        }
+                    );
+                };
+                do_async_read_some();
+            }
+        );
+    };
+    do_accept();
+
+    // Client
+    auto host = "localhost";
+    boost::asio::ip::tcp::resolver r(ios);
+    boost::asio::ip::tcp::resolver::query q(host, boost::lexical_cast<std::string>(port));
+    auto it = r.resolve(q);
+    boost::asio::ip::tcp::socket cs(ios);
+    boost::asio::async_connect(
+        cs,
+        it,
+        [&]
+        (boost::system::error_code const& e, boost::asio::ip::tcp::resolver::iterator) {
+            if (e) {
+                std::cout << __LINE__ << ":" << e.message() << std::endl;
+                return;
+            }
+            std::cout << __LINE__ << ":client connected" << std::endl;
+            for (int i = 0; i != num_of_zlib_data; ++i) {
+                msgpack::zbuffer zb;
+                msgpack::pack(zb, std::make_tuple(i, false, "hello world", 12.3456));
+                zb.flush(); // finalize zbuffer (don't forget it)
+                print(std::string(zb.data(), zb.size()));
+                write(cs, boost::asio::buffer(zb.data(), zb.size()));
+            }
+        }
+    );
+
+    // Start
+    ios.run();
+}
--- a/example/c/speed_test_uint32_array.c
+++ b/example/c/speed_test_uint32_array.c
@@ -22,7 +22,7 @@ void test()

    msgpack_unpacked_init(&msg);

-    while (msgpack_unpack_next(&msg, buf.data, buf.size, &upk_pos)) {
+    while (msgpack_unpack_next(&msg, buf.data, buf.size, &upk_pos) == MSGPACK_UNPACK_SUCCESS) {
    }

    msgpack_sbuffer_destroy(&buf);
--- a/example/c/speed_test_uint64_array.c
+++ b/example/c/speed_test_uint64_array.c
@@ -23,7 +23,7 @@ void test()

    msgpack_unpacked_init(&msg);

-    while (msgpack_unpack_next(&msg, buf.data, buf.size, &upk_pos)) {
+    while (msgpack_unpack_next(&msg, buf.data, buf.size, &upk_pos) == MSGPACK_UNPACK_SUCCESS) {
    }

    msgpack_sbuffer_destroy(&buf);
--- a/example/cpp03/class_non_intrusive.cpp
+++ b/example/cpp03/class_non_intrusive.cpp
@@ -69,7 +69,7 @@ struct object_with_zone<my_class> {
        o.type = type::ARRAY;
        o.via.array.size = 2;
        o.via.array.ptr = static_cast<msgpack::object*>(
-            o.zone.allocate_align(sizeof(msgpack::object) * o.via.array.size));
+            o.zone.allocate_align(sizeof(msgpack::object) * o.via.array.size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.ptr[0] = msgpack::object(v.get_name(), o.zone);
        o.via.array.ptr[1] = msgpack::object(v.get_age(), o.zone);
    }
--- a/example/x3/parse.cpp
+++ b/example/x3/parse.cpp
@@ -40,7 +40,13 @@ struct json_like_visitor : msgpack::v2::null_visitor {
        m_s += ss.str();
        return true;
    }
-    bool visit_float(double v) {
+    bool visit_float32(float v) {
+        std::stringstream ss;
+        ss << v;
+        m_s += ss.str();
+        return true;
+    }
+    bool visit_float64(double v) {
        std::stringstream ss;
        ss << v;
        m_s += ss.str();
--- a/include/msgpack/adaptor/cpp17/optional.hpp
+++ b/include/msgpack/adaptor/cpp17/optional.hpp
@@ -0,0 +1,16 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef MSGPACK_TYPE_CPP17_OPTIONAL_HPP
+#define MSGPACK_TYPE_CPP17_OPTIONAL_HPP
+
+#include "msgpack/v1/adaptor/cpp17/optional.hpp"
+
+#endif // MSGPACK_TYPE_CPP17_OPTIONAL_HPP
--- a/include/msgpack/adaptor/cpp17/string_view.hpp
+++ b/include/msgpack/adaptor/cpp17/string_view.hpp
@@ -0,0 +1,16 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef MSGPACK_TYPE_CPP17_STRING_VIEW_HPP
+#define MSGPACK_TYPE_CPP17_STRING_VIEW_HPP
+
+#include "msgpack/v1/adaptor/cpp17/string_view.hpp"
+
+#endif // MSGPACK_TYPE_CPP17_STRING_VIEW_HPP
--- a/include/msgpack/adaptor/tr1/unordered_map.hpp
+++ b/include/msgpack/adaptor/tr1/unordered_map.hpp
@@ -84,7 +84,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_map<K, V, Hash, Pred, Alloc>
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
@@ -141,7 +141,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_multimap<K, V, Hash, Pred, Al
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
--- a/include/msgpack/adaptor/tr1/unordered_set.hpp
+++ b/include/msgpack/adaptor/tr1/unordered_set.hpp
@@ -82,7 +82,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_set<T, Hash, Compare, Alloc>
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
@@ -136,7 +136,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_multiset<T, Hash, Compare, Al
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/sysdep.h
+++ b/include/msgpack/sysdep.h
@@ -77,7 +77,7 @@
 #       endif
 #   endif

-#elif defined(unix) || defined(__unix) || defined(__APPLE__)
+#elif defined(unix) || defined(__unix) || defined(__APPLE__) || defined(__OpenBSD__)

 #include <arpa/inet.h>  /* __BYTE_ORDER */
 #   if defined(linux)
@@ -88,7 +88,7 @@

 #if MSGPACK_ENDIAN_LITTLE_BYTE

-#   if defined(unix) || defined(__unix) || defined(__APPLE__)
+#   if defined(unix) || defined(__unix) || defined(__APPLE__) || defined(__OpenBSD__)
 #       define _msgpack_be16(x) ntohs(x)
 #   else
 #       if defined(ntohs)
@@ -102,7 +102,7 @@
 #        endif
 #   endif

-#   if defined(unix) || defined(__unix) || defined(__APPLE__)
+#   if defined(unix) || defined(__unix) || defined(__APPLE__) || defined(__OpenBSD__)
 #       define _msgpack_be32(x) ntohl(x)
 #   else
 #       if defined(ntohl)
--- a/include/msgpack/type.hpp
+++ b/include/msgpack/type.hpp
@@ -42,6 +42,13 @@
 #include "adaptor/cpp11/unordered_map.hpp"
 #include "adaptor/cpp11/unordered_set.hpp"

+#if __cplusplus >= 201703
+
+#include "adaptor/cpp17/optional.hpp"
+#include "adaptor/cpp17/string_view.hpp"
+
+#endif // __cplusplus >= 201703
+
 #endif // defined(MSGPACK_USE_CPP03)

 #if defined(MSGPACK_USE_BOOST)
--- a/include/msgpack/v1/adaptor/array_ref.hpp
+++ b/include/msgpack/v1/adaptor/array_ref.hpp
@@ -253,7 +253,7 @@ struct object_with_zone<msgpack::type::array_ref<T> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
@@ -280,7 +280,7 @@ struct object_with_zone<msgpack::type::array_ref<T[N]> > {
        if (!v.data) { throw msgpack::type_error(); }
        o.type = msgpack::type::ARRAY;
        uint32_t size = checked_get_container_size(v.size());
-        msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+        msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        msgpack::object* const pend = p + size;
        o.via.array.ptr = p;
        o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/boost/fusion.hpp
+++ b/include/msgpack/v1/adaptor/boost/fusion.hpp
@@ -15,6 +15,8 @@
 #include "msgpack/adaptor/check_container_size.hpp"
 #include "msgpack/meta.hpp"

+#include "msgpack/adaptor/pair.hpp"
+
 #if !defined (MSGPACK_USE_CPP03)
 #include "msgpack/adaptor/cpp11/tuple.hpp"
 #endif // #if !defined (MSGPACK_USE_CPP03)
@@ -34,13 +36,54 @@ MSGPACK_API_VERSION_NAMESPACE(v1) {

 namespace adaptor {

+namespace detail {
+
+template <typename T>
+struct is_std_pair {
+    static bool const value = false;
+};
+
+template <typename T, typename U>
+struct is_std_pair<std::pair<T, U> > {
+    static bool const value = true;
+};
+
+#if !defined(MSGPACK_USE_CPP03)
+
+template <typename T>
+struct is_std_tuple {
+    static bool const value = false;
+};
+
+template <typename... Args>
+struct is_std_tuple<std::tuple<Args...>> {
+    static bool const value = true;
+};
+
+#endif // !defined(MSGPACK_USE_CPP03)
+
+template <typename T>
+struct is_seq_no_pair_no_tuple {
+    static bool const value =
+        boost::fusion::traits::is_sequence<T>::value
+        &&
+        !is_std_pair<T>::value
+#if !defined (MSGPACK_USE_CPP03)
+        &&
+        !is_std_tuple<T>::value
+#endif // !defined (MSGPACK_USE_CPP03)
+        ;
+};
+
+} // namespace detail
+
 #if !defined (MSGPACK_USE_CPP03)

 template <typename T>
 struct as<
    T,
    typename msgpack::enable_if<
-        boost::fusion::traits::is_sequence<T>::value &&
+        detail::is_seq_no_pair_no_tuple<T>::value &&
        boost::mpl::fold<
            T,
            boost::mpl::bool_<true>,
@@ -82,7 +125,7 @@ struct as<
 #endif // !defined (MSGPACK_USE_CPP03)

 template <typename T>
-struct convert<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
+struct convert<T, typename msgpack::enable_if<detail::is_seq_no_pair_no_tuple<T>::value>::type > {
    msgpack::object const& operator()(msgpack::object const& o, T& v) const {
        if (o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
        if (o.via.array.size != checked_get_container_size(boost::fusion::size(v))) {
@@ -106,7 +149,7 @@ private:
 };

 template <typename T>
-struct pack<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
+struct pack<T, typename msgpack::enable_if<detail::is_seq_no_pair_no_tuple<T>::value>::type > {
    template <typename Stream>
    msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const T& v) const {
        uint32_t size = checked_get_container_size(boost::fusion::size(v));
@@ -128,11 +171,11 @@ private:
 };

 template <typename T>
-struct object_with_zone<T, typename msgpack::enable_if<boost::fusion::traits::is_sequence<T>::value>::type > {
+struct object_with_zone<T, typename msgpack::enable_if<detail::is_seq_no_pair_no_tuple<T>::value>::type > {
    void operator()(msgpack::object::with_zone& o, const T& v) const {
        uint32_t size = checked_get_container_size(boost::fusion::size(v));
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = size;
        uint32_t count = 0;
        boost::fusion::for_each(v, with_zone_imp(o, count));
--- a/include/msgpack/v1/adaptor/carray.hpp
+++ b/include/msgpack/v1/adaptor/carray.hpp
@@ -151,7 +151,7 @@ struct object_with_zone<T[N]> {
    void operator()(msgpack::object::with_zone& o, const T(&v)[N]) const {
        uint32_t size = checked_get_container_size(N);
        o.type = msgpack::type::ARRAY;
-        msgpack::object* ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object) * size));
+        msgpack::object* ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object) * size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.ptr = ptr;
        o.via.array.size = size;
        const T* pv = v;
@@ -169,7 +169,7 @@ struct object_with_zone<char[N]> {
        char const* p2 = static_cast<char const*>(std::memchr(p, '\0', size));
        uint32_t adjusted_size = p2 ? static_cast<uint32_t>(p2 - p) : size;
        o.type = msgpack::type::STR;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(adjusted_size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(adjusted_size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.str.ptr = ptr;
        o.via.str.size = adjusted_size;
        std::memcpy(ptr, p, adjusted_size);
@@ -184,7 +184,7 @@ struct object_with_zone<const char[N]> {
        char const* p2 = static_cast<char const*>(std::memchr(p, '\0', size));
        uint32_t adjusted_size = p2 ? static_cast<uint32_t>(p2 - p) : size;
        o.type = msgpack::type::STR;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(adjusted_size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(adjusted_size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.str.ptr = ptr;
        o.via.str.size = adjusted_size;
        std::memcpy(ptr, p, adjusted_size);
@@ -196,7 +196,7 @@ struct object_with_zone<unsigned char[N]> {
    void operator()(msgpack::object::with_zone& o, const unsigned char(&v)[N]) const {
        uint32_t size = checked_get_container_size(N);
        o.type = msgpack::type::BIN;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.bin.ptr = ptr;
        o.via.bin.size = size;
        std::memcpy(ptr, v, size);
@@ -208,7 +208,7 @@ struct object_with_zone<const unsigned char[N]> {
    void operator()(msgpack::object::with_zone& o, const unsigned char(&v)[N]) const {
        uint32_t size = checked_get_container_size(N);
        o.type = msgpack::type::BIN;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.bin.ptr = ptr;
        o.via.bin.size = size;
        std::memcpy(ptr, v, size);
--- a/include/msgpack/v1/adaptor/char_ptr.hpp
+++ b/include/msgpack/v1/adaptor/char_ptr.hpp
@@ -41,7 +41,7 @@ struct object_with_zone<const char*> {
    void operator()(msgpack::object::with_zone& o, const char* v) const {
        uint32_t size = checked_get_container_size(std::strlen(v));
        o.type = msgpack::type::STR;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.str.ptr = ptr;
        o.via.str.size = size;
        std::memcpy(ptr, v, size);
--- a/include/msgpack/v1/adaptor/cpp11/array.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/array.hpp
@@ -119,7 +119,7 @@ struct object_with_zone<std::array<T, N>> {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            o.via.array.size = size;
            o.via.array.ptr = p;
            for (auto const& e : v) *p++ = msgpack::object(e, o.zone);
--- a/include/msgpack/v1/adaptor/cpp11/array_char.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/array_char.hpp
@@ -45,6 +45,13 @@ struct convert<std::array<char, N>> {
    }
 };

+template <>
+struct convert<std::array<char, 0>> {
+    msgpack::object const& operator()(msgpack::object const& o, std::array<char, 0>&) const {
+        return o;
+    }
+};
+
 template <std::size_t N>
 struct pack<std::array<char, N>> {
    template <typename Stream>
@@ -72,7 +79,7 @@ struct object_with_zone<std::array<char, N>> {
    void operator()(msgpack::object::with_zone& o, const std::array<char, N>& v) const {
        uint32_t size = checked_get_container_size(v.size());
        o.type = msgpack::type::BIN;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.bin.ptr = ptr;
        o.via.bin.size = size;
        std::memcpy(ptr, v.data(), size);
--- a/include/msgpack/v1/adaptor/cpp11/array_unsigned_char.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/array_unsigned_char.hpp
@@ -45,6 +45,13 @@ struct convert<std::array<unsigned char, N>> {
    }
 };

+template <>
+struct convert<std::array<unsigned char, 0>> {
+    msgpack::object const& operator()(msgpack::object const& o, std::array<unsigned char, 0>&) const {
+        return o;
+    }
+};
+
 template <std::size_t N>
 struct pack<std::array<unsigned char, N>> {
    template <typename Stream>
@@ -72,7 +79,7 @@ struct object_with_zone<std::array<unsigned char, N>> {
    void operator()(msgpack::object::with_zone& o, const std::array<unsigned char, N>& v) const {
        uint32_t size = checked_get_container_size(v.size());
        o.type = msgpack::type::BIN;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.bin.ptr = ptr;
        o.via.bin.size = size;
        std::memcpy(ptr, v.data(), size);
--- a/include/msgpack/v1/adaptor/cpp11/forward_list.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/forward_list.hpp
@@ -76,7 +76,7 @@ struct object_with_zone<std::forward_list<T, Alloc>> {
            uint32_t size = checked_get_container_size(std::distance(v.begin(), v.end()));
            o.via.array.size = size;
            msgpack::object* p = static_cast<msgpack::object*>(
-                o.zone.allocate_align(sizeof(msgpack::object)*size));
+                o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            o.via.array.ptr = p;
            for(auto const& e : v) *p++ = msgpack::object(e, o.zone);
        }
--- a/include/msgpack/v1/adaptor/cpp11/tuple.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/tuple.hpp
@@ -158,7 +158,7 @@ struct object_with_zone<std::tuple<Args...>> {
        std::tuple<Args...> const& v) const {
        uint32_t size = checked_get_container_size(sizeof...(Args));
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = size;
        StdTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v);
    }
--- a/include/msgpack/v1/adaptor/cpp11/unordered_map.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/unordered_map.hpp
@@ -81,7 +81,7 @@ struct object_with_zone<std::unordered_map<K, V, Hash, Compare, Alloc>> {
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
@@ -155,7 +155,7 @@ struct object_with_zone<std::unordered_multimap<K, V, Hash, Compare, Alloc>> {
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
--- a/include/msgpack/v1/adaptor/cpp11/unordered_set.hpp
+++ b/include/msgpack/v1/adaptor/cpp11/unordered_set.hpp
@@ -78,7 +78,7 @@ struct object_with_zone<std::unordered_set<Key, Hash, Compare, Alloc>> {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
@@ -147,7 +147,7 @@ struct object_with_zone<std::unordered_multiset<Key, Hash, Compare, Alloc>> {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/cpp17/optional.hpp
+++ b/include/msgpack/v1/adaptor/cpp17/optional.hpp
@@ -0,0 +1,90 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef MSGPACK_V1_TYPE_OPTIONAL_HPP
+#define MSGPACK_V1_TYPE_OPTIONAL_HPP
+
+#if __cplusplus >= 201703
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/adaptor_base.hpp"
+#include "msgpack/adaptor/check_container_size.hpp"
+
+#include <optional>
+
+namespace msgpack {
+
+/// @cond
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+/// @endcond
+
+namespace adaptor {
+
+#if !defined (MSGPACK_USE_CPP03)
+
+template <typename T>
+struct as<std::optional<T>, typename std::enable_if<msgpack::has_as<T>::value>::type> {
+    std::optional<T> operator()(msgpack::object const& o) const {
+        if(o.is_nil()) return std::nullopt;
+        return o.as<T>();
+    }
+};
+
+#endif // !defined (MSGPACK_USE_CPP03)
+
+template <typename T>
+struct convert<std::optional<T> > {
+    msgpack::object const& operator()(msgpack::object const& o, std::optional<T>& v) const {
+        if(o.is_nil()) v = std::nullopt;
+        else {
+            T t;
+            msgpack::adaptor::convert<T>()(o, t);
+            v = t;
+        }
+        return o;
+    }
+};
+
+template <typename T>
+struct pack<std::optional<T> > {
+    template <typename Stream>
+    msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::optional<T>& v) const {
+        if (v) o.pack(*v);
+        else o.pack_nil();
+        return o;
+    }
+};
+
+template <typename T>
+struct object<std::optional<T> > {
+    void operator()(msgpack::object& o, const std::optional<T>& v) const {
+        if (v) msgpack::adaptor::object<T>()(o, *v);
+        else o.type = msgpack::type::NIL;
+    }
+};
+
+template <typename T>
+struct object_with_zone<std::optional<T> > {
+    void operator()(msgpack::object::with_zone& o, const std::optional<T>& v) const {
+        if (v) msgpack::adaptor::object_with_zone<T>()(o, *v);
+        else o.type = msgpack::type::NIL;
+    }
+};
+
+} // namespace adaptor
+
+/// @cond
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+/// @endcond
+
+} // namespace msgpack
+
+#endif // __cplusplus >= 201703
+
+#endif // MSGPACK_V1_TYPE_OPTIONAL_HPP
--- a/include/msgpack/v1/adaptor/cpp17/string_view.hpp
+++ b/include/msgpack/v1/adaptor/cpp17/string_view.hpp
@@ -0,0 +1,86 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef MSGPACK_V1_TYPE_STRING_VIEW_HPP
+#define MSGPACK_V1_TYPE_STRING_VIEW_HPP
+
+#if __cplusplus >= 201703
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/adaptor_base.hpp"
+#include "msgpack/adaptor/check_container_size.hpp"
+
+#include <string_view>
+
+namespace msgpack {
+
+/// @cond
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+/// @endcond
+
+namespace adaptor {
+
+template <>
+struct convert<std::string_view> {
+    msgpack::object const& operator()(msgpack::object const& o, std::string_view& v) const {
+        switch (o.type) {
+        case msgpack::type::BIN:
+            v = std::string_view(o.via.bin.ptr, o.via.bin.size);
+            break;
+        case msgpack::type::STR:
+            v = std::string_view(o.via.str.ptr, o.via.str.size);
+            break;
+        default:
+            throw msgpack::type_error();
+            break;
+        }
+        return o;
+    }
+};
+
+template <>
+struct pack<std::string_view> {
+    template <typename Stream>
+    msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::string_view& v) const {
+        uint32_t size = checked_get_container_size(v.size());
+        o.pack_str(size);
+        o.pack_str_body(v.data(), size);
+        return o;
+    }
+};
+
+template <>
+struct object<std::string_view> {
+    void operator()(msgpack::object& o, const std::string_view& v) const {
+        uint32_t size = checked_get_container_size(v.size());
+        o.type = msgpack::type::STR;
+        o.via.str.ptr = v.data();
+        o.via.str.size = size;
+    }
+};
+
+template <>
+struct object_with_zone<std::string_view> {
+    void operator()(msgpack::object::with_zone& o, const std::string_view& v) const {
+        static_cast<msgpack::object&>(o) << v;
+    }
+};
+
+
+} // namespace adaptor
+
+/// @cond
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+/// @endcond
+
+} // namespace msgpack
+
+#endif // __cplusplus >= 201703
+
+#endif // MSGPACK_V1_TYPE_STRING_VIEW_HPP
--- a/include/msgpack/v1/adaptor/deque.hpp
+++ b/include/msgpack/v1/adaptor/deque.hpp
@@ -83,7 +83,7 @@ struct object_with_zone<std::deque<T, Alloc> > {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/detail/cpp03_define_array.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp03_define_array.hpp
@@ -75,7 +75,7 @@ struct define_array<A0> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*1));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*1, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 1;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -118,7 +118,7 @@ struct define_array<A0, A1> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*2));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*2, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 2;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -167,7 +167,7 @@ struct define_array<A0, A1, A2> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*3));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*3, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 3;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -222,7 +222,7 @@ struct define_array<A0, A1, A2, A3> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*4));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*4, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 4;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -283,7 +283,7 @@ struct define_array<A0, A1, A2, A3, A4> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*5));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*5, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 5;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -350,7 +350,7 @@ struct define_array<A0, A1, A2, A3, A4, A5> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*6));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*6, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 6;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -423,7 +423,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*7));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*7, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 7;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -502,7 +502,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*8));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*8, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 8;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -587,7 +587,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*9));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*9, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 9;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -678,7 +678,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*10));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*10, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 10;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -775,7 +775,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*11));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*11, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 11;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -878,7 +878,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*12));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*12, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 12;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -987,7 +987,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*13));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*13, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 13;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1102,7 +1102,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*14));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*14, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 14;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1223,7 +1223,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*15));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*15, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 15;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1350,7 +1350,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*16));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*16, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 16;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1483,7 +1483,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*17));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*17, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 17;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1622,7 +1622,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*18));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*18, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 18;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1767,7 +1767,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*19));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*19, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 19;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -1918,7 +1918,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*20));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*20, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 20;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2075,7 +2075,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*21));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*21, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 21;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2238,7 +2238,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*22));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*22, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 22;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2407,7 +2407,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*23));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*23, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 23;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2582,7 +2582,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*24));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*24, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 24;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2763,7 +2763,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*25));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*25, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 25;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -2950,7 +2950,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*26));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*26, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 26;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -3143,7 +3143,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*27));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*27, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 27;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -3342,7 +3342,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*28));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*28, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 28;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -3547,7 +3547,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*29));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*29, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 29;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -3758,7 +3758,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*30));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*30, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 30;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -3975,7 +3975,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*31));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*31, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 31;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
@@ -4198,7 +4198,7 @@ struct define_array<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13,
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*32));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*32, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = 32;
        
        o->via.array.ptr[0] = msgpack::object(a0, z);
--- a/include/msgpack/v1/adaptor/detail/cpp03_define_map.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp03_define_map.hpp
@@ -83,7 +83,7 @@ struct define_map<A0, A1> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*1));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*1, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 1;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -142,7 +142,7 @@ struct define_map<A0, A1, A2, A3> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*2));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*2, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 2;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -215,7 +215,7 @@ struct define_map<A0, A1, A2, A3, A4, A5> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*3));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*3, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 3;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -302,7 +302,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*4));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*4, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 4;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -403,7 +403,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*5));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*5, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 5;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -518,7 +518,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*6));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*6, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 6;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -647,7 +647,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13> {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*7));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*7, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 7;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -790,7 +790,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*8));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*8, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 8;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -947,7 +947,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*9));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*9, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 9;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -1118,7 +1118,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*10));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*10, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 10;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -1303,7 +1303,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*11));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*11, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 11;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -1502,7 +1502,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*12));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*12, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 12;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -1715,7 +1715,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*13));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*13, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 13;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -1942,7 +1942,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*14));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*14, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 14;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -2183,7 +2183,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*15));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*15, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 15;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
@@ -2438,7 +2438,7 @@ struct define_map<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A1
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*16));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*16, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = 16;
        
        o->via.map.ptr[0].key = msgpack::object(a0, z);
--- a/include/msgpack/v1/adaptor/detail/cpp03_msgpack_tuple.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp03_msgpack_tuple.hpp
@@ -13506,7 +13506,7 @@ struct object_with_zone<type::tuple<A0> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*1));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*1, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 1;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13519,7 +13519,7 @@ struct object_with_zone<type::tuple<A0, A1> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*2));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*2, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 2;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13533,7 +13533,7 @@ struct object_with_zone<type::tuple<A0, A1, A2> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*3));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*3, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 3;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13548,7 +13548,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*4));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*4, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 4;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13564,7 +13564,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*5));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*5, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 5;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13581,7 +13581,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*6));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*6, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 6;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13599,7 +13599,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*7));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*7, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 7;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13618,7 +13618,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*8));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*8, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 8;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13638,7 +13638,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*9));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*9, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 9;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13659,7 +13659,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> > {
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*10));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*10, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 10;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13681,7 +13681,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*11));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*11, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 11;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13704,7 +13704,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*12));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*12, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 12;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13728,7 +13728,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*13));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*13, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 13;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13753,7 +13753,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*14));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*14, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 14;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13779,7 +13779,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*15));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*15, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 15;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13806,7 +13806,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*16));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*16, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 16;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13834,7 +13834,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*17));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*17, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 17;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13863,7 +13863,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*18));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*18, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 18;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13893,7 +13893,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*19));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*19, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 19;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13924,7 +13924,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*20));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*20, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 20;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13956,7 +13956,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*21));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*21, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 21;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -13989,7 +13989,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*22));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*22, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 22;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14023,7 +14023,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*23));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*23, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 23;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14058,7 +14058,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*24));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*24, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 24;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14094,7 +14094,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*25));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*25, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 25;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14131,7 +14131,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*26));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*26, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 26;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14169,7 +14169,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*27));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*27, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 27;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14208,7 +14208,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*28));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*28, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 28;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14248,7 +14248,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*29));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*29, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 29;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14289,7 +14289,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*30));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*30, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 30;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14331,7 +14331,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*31));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*31, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 31;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
@@ -14374,7 +14374,7 @@ struct object_with_zone<type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10,
        msgpack::object::with_zone& o,
        const type::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31>& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*32));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*32, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = 32;
        
        o.via.array.ptr[0] = msgpack::object(v.template get<0>(), o.zone);
--- a/include/msgpack/v1/adaptor/detail/cpp11_define_array.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp11_define_array.hpp
@@ -77,7 +77,7 @@ struct define_array {
    void msgpack_object(msgpack::object* o, msgpack::zone& z) const
    {
        o->type = msgpack::type::ARRAY;
-        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*sizeof...(Args)));
+        o->via.array.ptr = static_cast<msgpack::object*>(z.allocate_align(sizeof(msgpack::object)*sizeof...(Args), MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o->via.array.size = sizeof...(Args);

        define_array_imp<std::tuple<Args&...>, sizeof...(Args)>::object(o, z, a);
--- a/include/msgpack/v1/adaptor/detail/cpp11_define_map.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp11_define_map.hpp
@@ -83,7 +83,7 @@ struct define_map {
    {
        static_assert(sizeof...(Args) % 2 == 0, "");
        o->type = msgpack::type::MAP;
-        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*sizeof...(Args)/2));
+        o->via.map.ptr = static_cast<msgpack::object_kv*>(z.allocate_align(sizeof(msgpack::object_kv)*sizeof...(Args)/2, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        o->via.map.size = sizeof...(Args) / 2;

        define_map_imp<std::tuple<Args&...>, sizeof...(Args)>::object(o, z, a);
--- a/include/msgpack/v1/adaptor/detail/cpp11_msgpack_tuple.hpp
+++ b/include/msgpack/v1/adaptor/detail/cpp11_msgpack_tuple.hpp
@@ -203,7 +203,7 @@ template <typename... Args>
        msgpack::object::with_zone& o,
        msgpack::type::tuple<Args...> const& v) const {
        o.type = msgpack::type::ARRAY;
-        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*sizeof...(Args)));
+        o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*sizeof...(Args), MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.size = sizeof...(Args);
        MsgpackTupleToObjectWithZone<decltype(v), sizeof...(Args)>::convert(o, v);
    }
--- a/include/msgpack/v1/adaptor/ext.hpp
+++ b/include/msgpack/v1/adaptor/ext.hpp
@@ -104,7 +104,7 @@ struct object_with_zone<msgpack::type::ext> {
        // size limit has already been checked at ext's constructor
        uint32_t size = v.size();
        o.type = msgpack::type::EXT;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size + 1));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size + 1, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.ext.ptr = ptr;
        o.via.ext.size = size;
        ptr[0] = static_cast<char>(v.type());
--- a/include/msgpack/v1/adaptor/list.hpp
+++ b/include/msgpack/v1/adaptor/list.hpp
@@ -81,7 +81,7 @@ struct object_with_zone<std::list<T, Alloc> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/map.hpp
+++ b/include/msgpack/v1/adaptor/map.hpp
@@ -109,7 +109,7 @@ struct object_with_zone<type::assoc_vector<K, V, Compare, Alloc> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
@@ -195,7 +195,7 @@ struct object_with_zone<std::map<K, V, Compare, Alloc> > {
        else {
            uint32_t size = checked_get_container_size(v.size());

-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
@@ -288,7 +288,7 @@ struct object_with_zone<std::multimap<K, V, Compare, Alloc> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
--- a/include/msgpack/v1/adaptor/pair.hpp
+++ b/include/msgpack/v1/adaptor/pair.hpp
@@ -64,7 +64,7 @@ template <typename T1, typename T2>
 struct object_with_zone<std::pair<T1, T2> > {
    void operator()(msgpack::object::with_zone& o, const std::pair<T1, T2>& v) const {
        o.type = msgpack::type::ARRAY;
-        msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*2));
+        msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*2, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        o.via.array.ptr = p;
        o.via.array.size = 2;
        p[0] = msgpack::object(v.first, o.zone);
--- a/include/msgpack/v1/adaptor/set.hpp
+++ b/include/msgpack/v1/adaptor/set.hpp
@@ -87,7 +87,7 @@ struct object_with_zone<std::set<T, Compare, Alloc> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
@@ -163,7 +163,7 @@ struct object_with_zone<std::multiset<T, Compare, Alloc> > {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/string.hpp
+++ b/include/msgpack/v1/adaptor/string.hpp
@@ -69,7 +69,7 @@ struct object_with_zone<std::string> {
    void operator()(msgpack::object::with_zone& o, const std::string& v) const {
        uint32_t size = checked_get_container_size(v.size());
        o.type = msgpack::type::STR;
-        char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+        char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
        o.via.str.ptr = ptr;
        o.via.str.size = size;
        std::memcpy(ptr, v.data(), v.size());
--- a/include/msgpack/v1/adaptor/tr1/unordered_map.hpp
+++ b/include/msgpack/v1/adaptor/tr1/unordered_map.hpp
@@ -84,7 +84,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_map<K, V, Hash, Pred, Alloc>
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
@@ -141,7 +141,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_multimap<K, V, Hash, Pred, Al
            o.via.map.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size));
+            msgpack::object_kv* p = static_cast<msgpack::object_kv*>(o.zone.allocate_align(sizeof(msgpack::object_kv)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
            msgpack::object_kv* const pend = p + size;
            o.via.map.ptr  = p;
            o.via.map.size = size;
--- a/include/msgpack/v1/adaptor/tr1/unordered_set.hpp
+++ b/include/msgpack/v1/adaptor/tr1/unordered_set.hpp
@@ -82,7 +82,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_set<T, Hash, Compare, Alloc>
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
@@ -136,7 +136,7 @@ struct object_with_zone<MSGPACK_STD_TR1::unordered_multiset<T, Hash, Compare, Al
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/vector.hpp
+++ b/include/msgpack/v1/adaptor/vector.hpp
@@ -89,7 +89,7 @@ struct object_with_zone<std::vector<T, Alloc> > {
        }
        else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/vector_bool.hpp
+++ b/include/msgpack/v1/adaptor/vector_bool.hpp
@@ -65,7 +65,7 @@ struct object_with_zone<std::vector<bool, Alloc> > {
            o.via.array.size = 0;
        } else {
            uint32_t size = checked_get_container_size(v.size());
-            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size));
+            msgpack::object* p = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object)*size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            msgpack::object* const pend = p + size;
            o.via.array.ptr = p;
            o.via.array.size = size;
--- a/include/msgpack/v1/adaptor/vector_char.hpp
+++ b/include/msgpack/v1/adaptor/vector_char.hpp
@@ -96,7 +96,7 @@ struct object_with_zone<std::vector<char, Alloc> > {
        o.type = msgpack::type::BIN;
        o.via.bin.size = size;
        if (size != 0) {
-            char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+            char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
            o.via.bin.ptr = ptr;
            std::memcpy(ptr, &v.front(), size);
        }
--- a/include/msgpack/v1/adaptor/vector_unsigned_char.hpp
+++ b/include/msgpack/v1/adaptor/vector_unsigned_char.hpp
@@ -96,7 +96,7 @@ struct object_with_zone<std::vector<unsigned char, Alloc> > {
        o.type = msgpack::type::BIN;
        o.via.bin.size = size;
        if (size != 0) {
-            char* ptr = static_cast<char*>(o.zone.allocate_align(size));
+            char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
            o.via.bin.ptr = ptr;
            std::memcpy(ptr, &v.front(), size);
        }
--- a/include/msgpack/v1/detail/cpp03_zone.hpp
+++ b/include/msgpack/v1/detail/cpp03_zone.hpp
@@ -223,7 +223,9 @@ private:
    template <typename T>
    static void object_delete(void* obj);

-    void* allocate_expand(size_t size);
+    static char* get_aligned(char* ptr, size_t align);
+
+    char* allocate_expand(size_t size);
 private:
    zone(const zone&);
    zone& operator=(const zone&);
@@ -233,37 +235,42 @@ inline zone::zone(size_t chunk_size) /* throw() */ :m_chunk_size(chunk_size), m_
 {
 }

-inline void* zone::allocate_align(size_t size, size_t align)
+inline char* zone::get_aligned(char* ptr, size_t align)
 {
-    char* aligned =
+    return
        reinterpret_cast<char*>(
            reinterpret_cast<size_t>(
-                (m_chunk_list.m_ptr + (align - 1))) / align * align);
+            (ptr + (align - 1))) / align * align);
+}
+
+inline void* zone::allocate_align(size_t size, size_t align)
+{
+    char* aligned = get_aligned(m_chunk_list.m_ptr, align);
    size_t adjusted_size = size + (aligned - m_chunk_list.m_ptr);
-    if(m_chunk_list.m_free >= adjusted_size) {
-        m_chunk_list.m_free -= adjusted_size;
-        m_chunk_list.m_ptr  += adjusted_size;
-        return aligned;
+    if (m_chunk_list.m_free < adjusted_size) {
+        size_t enough_size = size + align - 1;
+        char* ptr = allocate_expand(enough_size);
+        aligned = get_aligned(ptr, align);
+        adjusted_size = size + (aligned - m_chunk_list.m_ptr);
    }
-    return reinterpret_cast<char*>(
-        reinterpret_cast<size_t>(
-            allocate_expand(size + (align - 1))) / align * align);
+    m_chunk_list.m_free -= adjusted_size;
+    m_chunk_list.m_ptr  += adjusted_size;
+    return aligned;
 }

 inline void* zone::allocate_no_align(size_t size)
 {
-    if(m_chunk_list.m_free < size) {
-        return allocate_expand(size);
-    }
-
    char* ptr = m_chunk_list.m_ptr;
+    if(m_chunk_list.m_free < size) {
+        ptr = allocate_expand(size);
+    }
    m_chunk_list.m_free -= size;
    m_chunk_list.m_ptr  += size;

    return ptr;
 }

-inline void* zone::allocate_expand(size_t size)
+inline char* zone::allocate_expand(size_t size)
 {
    chunk_list* const cl = &m_chunk_list;

@@ -285,8 +292,8 @@ inline void* zone::allocate_expand(size_t size)

    c->m_next  = cl->m_head;
    cl->m_head = c;
-    cl->m_free = sz - size;
-    cl->m_ptr  = ptr + size;
+    cl->m_free = sz;
+    cl->m_ptr  = ptr;

    return ptr;
 }
@@ -345,7 +352,7 @@ inline std::size_t aligned_size(
 template <typename T>
 T* zone::allocate()
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -364,7 +371,7 @@ T* zone::allocate()
 template <typename T, typename A1>
 T* zone::allocate(A1 a1)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -383,7 +390,7 @@ T* zone::allocate(A1 a1)
 template <typename T, typename A1, typename A2>
 T* zone::allocate(A1 a1, A2 a2)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -402,7 +409,7 @@ T* zone::allocate(A1 a1, A2 a2)
 template <typename T, typename A1, typename A2, typename A3>
 T* zone::allocate(A1 a1, A2 a2, A3 a3)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -421,7 +428,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3)
 template <typename T, typename A1, typename A2, typename A3, typename A4>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -440,7 +447,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -459,7 +466,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -478,7 +485,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -497,7 +504,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -516,7 +523,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -535,7 +542,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -554,7 +561,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10, A11 a11)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -573,7 +580,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10, A11 a11, A12 a12)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -592,7 +599,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10, A11 a11, A12 a12, A13 a13)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -611,7 +618,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10, A11 a11, A12 a12, A13 a13, A14 a14)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
@@ -630,7 +637,7 @@ T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9,
 template <typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10, typename A11, typename A12, typename A13, typename A14, typename A15>
 T* zone::allocate(A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10, A11 a11, A12 a12, A13 a13, A14 a14, A15 a15)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
--- a/include/msgpack/v1/detail/cpp03_zone_decl.hpp
+++ b/include/msgpack/v1/detail/cpp03_zone_decl.hpp
@@ -24,6 +24,14 @@
 #define MSGPACK_ZONE_ALIGN sizeof(void*)
 #endif

+#if defined(_MSC_VER)
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof(type)
+#else
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof__(type)
+#endif
+// For a compiler that doesn't support __alignof__:
+// #define MSGPACK_ZONE_ALIGNOF(type) MSGPACK_ZONE_ALIGN
+

 namespace msgpack {

--- a/include/msgpack/v1/detail/cpp11_zone.hpp
+++ b/include/msgpack/v1/detail/cpp11_zone.hpp
@@ -184,7 +184,6 @@ public:

    void swap(zone& o);

-
    static void* operator new(std::size_t size)
    {
        void* p = ::malloc(size);
@@ -220,44 +219,51 @@ private:
    template <typename T>
    static void object_delete(void* obj);

-    void* allocate_expand(size_t size);
+    static char* get_aligned(char* ptr, size_t align);
+
+    char* allocate_expand(size_t size);
 };

 inline zone::zone(size_t chunk_size) noexcept:m_chunk_size(chunk_size), m_chunk_list(m_chunk_size)
 {
 }

-inline void* zone::allocate_align(size_t size, size_t align)
+inline char* zone::get_aligned(char* ptr, size_t align)
 {
-    char* aligned =
+    return
        reinterpret_cast<char*>(
            reinterpret_cast<size_t>(
-                (m_chunk_list.m_ptr + (align - 1))) / align * align);
+            (ptr + (align - 1))) / align * align);
+}
+
+inline void* zone::allocate_align(size_t size, size_t align)
+{
+    char* aligned = get_aligned(m_chunk_list.m_ptr, align);
    size_t adjusted_size = size + (aligned - m_chunk_list.m_ptr);
-    if(m_chunk_list.m_free >= adjusted_size) {
-        m_chunk_list.m_free -= adjusted_size;
-        m_chunk_list.m_ptr  += adjusted_size;
-        return aligned;
+    if (m_chunk_list.m_free < adjusted_size) {
+        size_t enough_size = size + align - 1;
+        char* ptr = allocate_expand(enough_size);
+        aligned = get_aligned(ptr, align);
+        adjusted_size = size + (aligned - m_chunk_list.m_ptr);
    }
-    return reinterpret_cast<char*>(
-        reinterpret_cast<size_t>(
-            allocate_expand(size + (align - 1))) / align * align);
+    m_chunk_list.m_free -= adjusted_size;
+    m_chunk_list.m_ptr  += adjusted_size;
+    return aligned;
 }

 inline void* zone::allocate_no_align(size_t size)
 {
-    if(m_chunk_list.m_free < size) {
-        return allocate_expand(size);
-    }
-
    char* ptr = m_chunk_list.m_ptr;
+    if(m_chunk_list.m_free < size) {
+        ptr = allocate_expand(size);
+    }
    m_chunk_list.m_free -= size;
    m_chunk_list.m_ptr  += size;

    return ptr;
 }

-inline void* zone::allocate_expand(size_t size)
+inline char* zone::allocate_expand(size_t size)
 {
    chunk_list* const cl = &m_chunk_list;

@@ -279,8 +285,8 @@ inline void* zone::allocate_expand(size_t size)

    c->m_next  = cl->m_head;
    cl->m_head = c;
-    cl->m_free = sz - size;
-    cl->m_ptr  = ptr + size;
+    cl->m_free = sz;
+    cl->m_ptr  = ptr;

    return ptr;
 }
@@ -329,7 +335,7 @@ inline void zone::undo_allocate(size_t size)
 template <typename T, typename... Args>
 T* zone::allocate(Args... args)
 {
-    void* x = allocate_align(sizeof(T));
+    void* x = allocate_align(sizeof(T), MSGPACK_ZONE_ALIGNOF(T));
    try {
        m_finalizer_array.push(&zone::object_destruct<T>, x);
    } catch (...) {
--- a/include/msgpack/v1/detail/cpp11_zone_decl.hpp
+++ b/include/msgpack/v1/detail/cpp11_zone_decl.hpp
@@ -26,6 +26,14 @@
 #define MSGPACK_ZONE_ALIGN sizeof(void*)
 #endif

+#if defined(_MSC_VER)
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof(type)
+#else
+#define MSGPACK_ZONE_ALIGNOF(type) __alignof__(type)
+#endif
+// For a compiler that doesn't support __alignof__:
+// #define MSGPACK_ZONE_ALIGNOF(type) MSGPACK_ZONE_ALIGN
+
 namespace msgpack {

 /// @cond
--- a/include/msgpack/v1/object.hpp
+++ b/include/msgpack/v1/object.hpp
@@ -140,13 +140,17 @@ inline std::size_t aligned_zone_size(msgpack::object const& obj) {
    std::size_t s = 0;
    switch (obj.type) {
    case msgpack::type::ARRAY:
-        s += sizeof(msgpack::object) * obj.via.array.size;
+        s += msgpack::aligned_size(
+            sizeof(msgpack::object) * obj.via.array.size,
+            MSGPACK_ZONE_ALIGNOF(msgpack::object));
        for (uint32_t i = 0; i < obj.via.array.size; ++i) {
            s += msgpack::aligned_zone_size(obj.via.array.ptr[i]);
        }
        break;
    case msgpack::type::MAP:
-        s += sizeof(msgpack::object_kv) * obj.via.map.size;
+        s += msgpack::aligned_size(
+            sizeof(msgpack::object_kv) * obj.via.map.size,
+            MSGPACK_ZONE_ALIGNOF(msgpack::object_kv));
        for (uint32_t i = 0; i < obj.via.map.size; ++i) {
            s += msgpack::aligned_zone_size(obj.via.map.ptr[i].key);
            s += msgpack::aligned_zone_size(obj.via.map.ptr[i].val);
@@ -154,13 +158,14 @@ inline std::size_t aligned_zone_size(msgpack::object const& obj) {
        break;
    case msgpack::type::EXT:
        s += msgpack::aligned_size(
-            detail::add_ext_type_size<sizeof(std::size_t)>(obj.via.ext.size));
+            detail::add_ext_type_size<sizeof(std::size_t)>(obj.via.ext.size),
+            MSGPACK_ZONE_ALIGNOF(char));
        break;
    case msgpack::type::STR:
-        s += msgpack::aligned_size(obj.via.str.size);
+        s += msgpack::aligned_size(obj.via.str.size, MSGPACK_ZONE_ALIGNOF(char));
        break;
    case msgpack::type::BIN:
-        s += msgpack::aligned_size(obj.via.bin.size);
+        s += msgpack::aligned_size(obj.via.bin.size, MSGPACK_ZONE_ALIGNOF(char));
        break;
    default:
        break;
@@ -320,7 +325,7 @@ struct object_with_zone<msgpack::object> {
            return;

        case msgpack::type::STR: {
-            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.str.size));
+            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.str.size, MSGPACK_ZONE_ALIGNOF(char)));
            o.via.str.ptr = ptr;
            o.via.str.size = v.via.str.size;
            std::memcpy(ptr, v.via.str.ptr, v.via.str.size);
@@ -328,7 +333,7 @@ struct object_with_zone<msgpack::object> {
        }

        case msgpack::type::BIN: {
-            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.bin.size));
+            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.bin.size, MSGPACK_ZONE_ALIGNOF(char)));
            o.via.bin.ptr = ptr;
            o.via.bin.size = v.via.bin.size;
            std::memcpy(ptr, v.via.bin.ptr, v.via.bin.size);
@@ -336,7 +341,7 @@ struct object_with_zone<msgpack::object> {
        }

        case msgpack::type::EXT: {
-            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.ext.size + 1));
+            char* ptr = static_cast<char*>(o.zone.allocate_align(v.via.ext.size + 1, MSGPACK_ZONE_ALIGNOF(char)));
            o.via.ext.ptr = ptr;
            o.via.ext.size = v.via.ext.size;
            std::memcpy(ptr, v.via.ext.ptr, v.via.ext.size + 1);
@@ -344,7 +349,7 @@ struct object_with_zone<msgpack::object> {
        }

        case msgpack::type::ARRAY:
-            o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object) * v.via.array.size));
+            o.via.array.ptr = static_cast<msgpack::object*>(o.zone.allocate_align(sizeof(msgpack::object) * v.via.array.size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
            o.via.array.size = v.via.array.size;
            for (msgpack::object
                     * po(o.via.array.ptr),
@@ -357,7 +362,7 @@ struct object_with_zone<msgpack::object> {
            return;

        case msgpack::type::MAP:
-            o.via.map.ptr = (msgpack::object_kv*)o.zone.allocate_align(sizeof(msgpack::object_kv) * v.via.map.size);
+            o.via.map.ptr = (msgpack::object_kv*)o.zone.allocate_align(sizeof(msgpack::object_kv) * v.via.map.size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv));
            o.via.map.size = v.via.map.size;
            for(msgpack::object_kv
                    * po(o.via.map.ptr),
--- a/include/msgpack/v1/unpack.hpp
+++ b/include/msgpack/v1/unpack.hpp
@@ -117,7 +117,7 @@ struct unpack_array {
        if (size / sizeof(msgpack::object) != n) {
            throw msgpack::array_size_overflow("array size overflow");
        }
-        o.via.array.ptr = static_cast<msgpack::object*>(u.zone().allocate_align(size));
+        o.via.array.ptr = static_cast<msgpack::object*>(u.zone().allocate_align(size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
    }
 };

@@ -139,7 +139,7 @@ struct unpack_map {
        if (size / sizeof(msgpack::object_kv) != n) {
            throw msgpack::map_size_overflow("map size overflow");
        }
-        o.via.map.ptr = static_cast<msgpack::object_kv*>(u.zone().allocate_align(size));
+        o.via.map.ptr = static_cast<msgpack::object_kv*>(u.zone().allocate_align(size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
    }
 };

@@ -164,7 +164,7 @@ inline void unpack_str(unpack_user& u, const char* p, uint32_t l, msgpack::objec
    }
    else {
        if (l > u.limit().str()) throw msgpack::str_size_overflow("str size overflow");
-        char* tmp = static_cast<char*>(u.zone().allocate_align(l));
+        char* tmp = static_cast<char*>(u.zone().allocate_align(l, MSGPACK_ZONE_ALIGNOF(char)));
        std::memcpy(tmp, p, l);
        o.via.str.ptr = tmp;
    }
@@ -180,7 +180,7 @@ inline void unpack_bin(unpack_user& u, const char* p, uint32_t l, msgpack::objec
    }
    else {
        if (l > u.limit().bin()) throw msgpack::bin_size_overflow("bin size overflow");
-        char* tmp = static_cast<char*>(u.zone().allocate_align(l));
+        char* tmp = static_cast<char*>(u.zone().allocate_align(l, MSGPACK_ZONE_ALIGNOF(char)));
        std::memcpy(tmp, p, l);
        o.via.bin.ptr = tmp;
    }
@@ -196,7 +196,7 @@ inline void unpack_ext(unpack_user& u, const char* p, std::size_t l, msgpack::ob
    }
    else {
        if (l > u.limit().ext()) throw msgpack::ext_size_overflow("ext size overflow");
-        char* tmp = static_cast<char*>(u.zone().allocate_align(l));
+        char* tmp = static_cast<char*>(u.zone().allocate_align(l, MSGPACK_ZONE_ALIGNOF(char)));
        std::memcpy(tmp, p, l);
        o.via.ext.ptr = tmp;
    }
--- a/include/msgpack/v1/vrefbuffer.hpp
+++ b/include/msgpack/v1/vrefbuffer.hpp
@@ -1,7 +1,7 @@
 //
 // MessagePack for C++ zero-copy buffer implementation
 //
-// Copyright (C) 2008-2013 FURUHASHI Sadayuki and KONDO Takatoshi
+// Copyright (C) 2008-2017 FURUHASHI Sadayuki and KONDO Takatoshi
 //
 //    Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE_1_0.txt or copy at
@@ -22,7 +22,7 @@
 #endif
 #endif // defined(_MSC_VER)

-#ifndef _WIN32
+#if defined(unix) || defined(__unix) || defined(__APPLE__) || defined(__OpenBSD__)
 #include <sys/uio.h>
 #else
 struct iovec {
--- a/include/msgpack/v2/create_object_visitor.hpp
+++ b/include/msgpack/v2/create_object_visitor.hpp
@@ -92,9 +92,15 @@ public:
        }
        return true;
    }
-    bool visit_float(double v) {
+    bool visit_float32(float v) {
        msgpack::object* obj = m_stack.back();
-        obj->type = msgpack::type::FLOAT;
+        obj->type = msgpack::type::FLOAT32;
+        obj->via.f64 = v;
+        return true;
+    }
+    bool visit_float64(double v) {
+        msgpack::object* obj = m_stack.back();
+        obj->type = msgpack::type::FLOAT64;
        obj->via.f64 = v;
        return true;
    }
@@ -107,7 +113,7 @@ public:
            set_referenced(true);
        }
        else {
-            char* tmp = static_cast<char*>(zone().allocate_align(size));
+            char* tmp = static_cast<char*>(zone().allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
            std::memcpy(tmp, v, size);
            obj->via.str.ptr = tmp;
        }
@@ -123,7 +129,7 @@ public:
            set_referenced(true);
        }
        else {
-            char* tmp = static_cast<char*>(zone().allocate_align(size));
+            char* tmp = static_cast<char*>(zone().allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
            std::memcpy(tmp, v, size);
            obj->via.bin.ptr = tmp;
        }
@@ -139,7 +145,7 @@ public:
            set_referenced(true);
        }
        else {
-            char* tmp = static_cast<char*>(zone().allocate_align(size));
+            char* tmp = static_cast<char*>(zone().allocate_align(size, MSGPACK_ZONE_ALIGNOF(char)));
            std::memcpy(tmp, v, size);
            obj->via.ext.ptr = tmp;
        }
@@ -161,7 +167,7 @@ public:
                throw msgpack::array_size_overflow("array size overflow");
            }
            obj->via.array.ptr =
-                static_cast<msgpack::object*>(m_zone->allocate_align(size));
+                static_cast<msgpack::object*>(m_zone->allocate_align(size, MSGPACK_ZONE_ALIGNOF(msgpack::object)));
        }
        m_stack.push_back(obj->via.array.ptr);
        return true;
@@ -192,7 +198,7 @@ public:
                throw msgpack::map_size_overflow("map size overflow");
            }
            obj->via.map.ptr =
-                static_cast<msgpack::object_kv*>(m_zone->allocate_align(size));
+                static_cast<msgpack::object_kv*>(m_zone->allocate_align(size, MSGPACK_ZONE_ALIGNOF(msgpack::object_kv)));
        }
        m_stack.push_back(reinterpret_cast<msgpack::object*>(obj->via.map.ptr));
        return true;
--- a/include/msgpack/v2/null_visitor.hpp
+++ b/include/msgpack/v2/null_visitor.hpp
@@ -32,7 +32,10 @@ struct null_visitor {
    bool visit_negative_integer(int64_t /*v*/) {
        return true;
    }
-    bool visit_float(double /*v*/) {
+    bool visit_float32(float /*v*/) {
+        return true;
+    }
+    bool visit_float64(double /*v*/) {
        return true;
    }
    bool visit_str(const char* /*v*/, uint32_t /*size*/) {
--- a/include/msgpack/v2/parse.hpp
+++ b/include/msgpack/v2/parse.hpp
@@ -339,7 +339,7 @@ inline parse_return context<VisitorHolder>::execute(const char* data, std::size_
            case MSGPACK_CS_FLOAT: {
                union { uint32_t i; float f; } mem;
                load<uint32_t>(mem.i, n);
-                bool visret = holder().visitor().visit_float(mem.f);
+                bool visret = holder().visitor().visit_float32(mem.f);
                parse_return upr = after_visit_proc(visret, off);
                if (upr != PARSE_CONTINUE) return upr;
            } break;
@@ -352,7 +352,7 @@ inline parse_return context<VisitorHolder>::execute(const char* data, std::size_
                // https://github.com/msgpack/msgpack-perl/pull/1
                mem.i = (mem.i & 0xFFFFFFFFUL) << 32UL | (mem.i >> 32UL);
 #endif
-                bool visret = holder().visitor().visit_float(mem.f);
+                bool visret = holder().visitor().visit_float64(mem.f);
                parse_return upr = after_visit_proc(visret, off);
                if (upr != PARSE_CONTINUE) return upr;
            } break;
--- a/include/msgpack/v2/unpack.hpp
+++ b/include/msgpack/v2/unpack.hpp
@@ -20,6 +20,7 @@ namespace msgpack {
 MSGPACK_API_VERSION_NAMESPACE(v2) {
 /// @endcond

+
 struct zone_push_finalizer {
    zone_push_finalizer(msgpack::zone& z):m_z(&z) {}
    void set_zone(msgpack::zone& z) { m_z = &z; }
--- a/include/msgpack/v2/x3_parse.hpp
+++ b/include/msgpack/v2/x3_parse.hpp
@@ -298,7 +298,7 @@ const auto mp_object_def =
                auto& app_specific = x3::get<tag_app_specific>(ctx).get();
                union { uint32_t i; float f; } mem;
                mem.i = _attr(ctx);
-                app_specific.vis.visit_float(mem.f);
+                app_specific.vis.visit_float32(mem.f);
            }
        )
    ]
@@ -316,7 +316,7 @@ const auto mp_object_def =
                // https://github.com/msgpack/msgpack-perl/pull/1
                mem.i = (mem.i & 0xFFFFFFFFUL) << 32UL | (mem.i >> 32UL);
 #endif
-                app_specific.vis.visit_float(mem.f);
+                app_specific.vis.visit_float64(mem.f);
            }
        )
    ]
--- a/include/msgpack/version_master.h
+++ b/include/msgpack/version_master.h
@@ -1,3 +1,3 @@
 #define MSGPACK_VERSION_MAJOR    2
 #define MSGPACK_VERSION_MINOR    1
-#define MSGPACK_VERSION_REVISION 2
+#define MSGPACK_VERSION_REVISION 4
--- a/include/msgpack/vrefbuffer.h
+++ b/include/msgpack/vrefbuffer.h
@@ -13,7 +13,7 @@
 #include "zone.h"
 #include <stdlib.h>

-#if defined(unix) || defined(__unix) || defined(__APPLE__)
+#if defined(unix) || defined(__unix) || defined(__APPLE__) || defined(__OpenBSD__)
 #include <sys/uio.h>
 #else
 struct iovec {
--- a/makedist.sh
+++ b/makedist.sh
@@ -34,6 +34,7 @@ tar --append --file=$filename $prefix/COPYING
 tar --append --file=$filename $prefix/README
 tar --append --file=$filename $prefix/msgpack_vc8.sln
 tar --append --file=$filename $prefix/msgpack_vc8.vcproj
+tar --append --file=$filename $prefix/msgpack-config.cmake.in

 rm -f $prefix

--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -66,6 +66,12 @@ IF (MSGPACK_CXX11)
    )
 ENDIF ()

+IF (MSGPACK_CXX17)
+    LIST (APPEND check_PROGRAMS
+        msgpack_cpp17.cpp
+    )
+ENDIF ()
+
 FOREACH (source_file ${check_PROGRAMS})
    GET_FILENAME_COMPONENT (source_file_we ${source_file} NAME_WE)
    ADD_EXECUTABLE (
--- a/test/boost_fusion.cpp
+++ b/test/boost_fusion.cpp
@@ -212,4 +212,35 @@ TEST(MSGPACK_BOOST, pack_convert_no_def_con_def_con)

 #endif // !defined(MSGPACK_USE_CPP03

+#include <boost/fusion/include/std_pair.hpp>
+
+TEST(MSGPACK_BOOST, fusion_pack_unpack_convert_pair)
+{
+    std::stringstream ss;
+    std::pair<bool, int> val1(false, 42);
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    std::pair<bool, int>  val2 = oh.get().as<std::pair<bool, int> >();
+    EXPECT_TRUE(val1.first == val2.first);
+    EXPECT_TRUE(val1.second == val2.second);
+}
+
+#if !defined(MSGPACK_USE_CPP03)
+
+#include <boost/fusion/include/std_tuple.hpp>
+
+TEST(MSGPACK_BOOST, fusion_pack_unpack_convert_tuple)
+{
+    std::stringstream ss;
+    std::tuple<bool, int> val1(false, 42);
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    std::tuple<bool, int> val2 = oh.get().as<std::tuple<bool, int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+#endif // !defined(MSGPACK_USE_CPP03)
+
 #endif // defined(MSGPACK_USE_BOOST)
--- a/test/cases.cpp
+++ b/test/cases.cpp
@@ -20,6 +20,10 @@ static void feed_file(msgpack::unpacker& pac, const char* path)

 TEST(cases, format)
 {
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif // (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) && !defined(__clang__)
    msgpack::unpacker pac;
    msgpack::unpacker pac_compact;

@@ -34,4 +38,7 @@ TEST(cases, format)
    }

    EXPECT_FALSE( pac_compact.next(oh) );
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) && !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif // (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) && !defined(__clang__)
 }
--- a/test/msgpack_c.cpp
+++ b/test/msgpack_c.cpp
@@ -523,7 +523,7 @@ TEST(MSGPACKC, simple_buffer_fixext_1byte_255)
 {
    const size_t size = 255;
    char buf[size];
-    for (size_t i = 0; i != size; ++i) buf[i] = i;
+    for (size_t i = 0; i != size; ++i) buf[i] = (char)i;

    msgpack_sbuffer sbuf;
    msgpack_sbuffer_init(&sbuf);
@@ -550,7 +550,7 @@ TEST(MSGPACKC, simple_buffer_fixext_2byte_256)
 {
    const size_t size = 256;
    char buf[size];
-    for (size_t i = 0; i != size; ++i) buf[i] = i;
+    for (size_t i = 0; i != size; ++i) buf[i] = (char)i;

    msgpack_sbuffer sbuf;
    msgpack_sbuffer_init(&sbuf);
@@ -577,7 +577,7 @@ TEST(MSGPACKC, simple_buffer_fixext_2byte_65535)
 {
    const size_t size = 65535;
    char buf[size];
-    for (size_t i = 0; i != size; ++i) buf[i] = i;
+    for (size_t i = 0; i != size; ++i) buf[i] = (char)i;

    msgpack_sbuffer sbuf;
    msgpack_sbuffer_init(&sbuf);
@@ -604,7 +604,7 @@ TEST(MSGPACKC, simple_buffer_fixext_4byte_65536)
 {
    const size_t size = 65536;
    char buf[size];
-    for (size_t i = 0; i != size; ++i) buf[i] = i;
+    for (size_t i = 0; i != size; ++i) buf[i] = (char)i;

    msgpack_sbuffer sbuf;
    msgpack_sbuffer_init(&sbuf);
@@ -776,7 +776,6 @@ TEST(MSGPACKC, simple_buffer_str_fix_l)
    EXPECT_EQ(MSGPACK_UNPACK_SUCCESS, ret);
    EXPECT_EQ(MSGPACK_OBJECT_STR, obj.type);
    EXPECT_EQ(str_size, obj.via.str.size);
-    EXPECT_EQ(0, memcmp(str, obj.via.str.ptr, str_size));

    msgpack_zone_destroy(&z);
    msgpack_sbuffer_destroy(&sbuf);
@@ -975,7 +974,6 @@ TEST(MSGPACKC, simple_buffer_v4raw_fix_l)
    EXPECT_EQ(MSGPACK_UNPACK_SUCCESS, ret);
    EXPECT_EQ(MSGPACK_OBJECT_STR, obj.type);
    EXPECT_EQ(str_size, obj.via.str.size);
-    EXPECT_EQ(0, memcmp(str, obj.via.str.ptr, str_size));

    msgpack_zone_destroy(&z);
    msgpack_sbuffer_destroy(&sbuf);
--- a/test/msgpack_cpp17.cpp
+++ b/test/msgpack_cpp17.cpp
@@ -0,0 +1,207 @@
+#include <msgpack.hpp>
+
+#include <gtest/gtest.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if !defined(MSGPACK_USE_CPP03) && __cplusplus >= 201703
+
+// C++17
+
+TEST(MSGPACK_CPP17, optional_pack_convert_nil)
+{
+    std::stringstream ss;
+    std::optional<int> val1;
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    std::optional<int> val2 = oh.get().as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_pack_convert_int)
+{
+    std::stringstream ss;
+    std::optional<int> val1 = 1;
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    std::optional<int> val2 = oh.get().as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_pack_convert_vector)
+{
+    typedef std::optional<std::vector<int> > ovi_t;
+    std::stringstream ss;
+    ovi_t val1;
+    std::vector<int> v;
+    v.push_back(1);
+    v.push_back(2);
+    v.push_back(3);
+    val1 = v;
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    ovi_t  val2 = oh.get().as<ovi_t>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_pack_convert_vector_optional)
+{
+    typedef std::vector<std::optional<int> > voi_t;
+    std::stringstream ss;
+    voi_t val1;
+    val1.resize(3);
+    val1[0] = 1;
+    val1[2] = 3;
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    voi_t  val2 = oh.get().as<voi_t>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_object_nil)
+{
+    std::optional<int> val1;
+    msgpack::object obj(val1);
+    std::optional<int> val2 = obj.as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_object_int)
+{
+    std::optional<int> val1 = 1;
+    msgpack::object obj(val1);
+    std::optional<int> val2 = obj.as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+// Compile error as expected
+/*
+  TEST(MSGPACK_CPP17, optional_object_vector)
+  {
+  typedef std::optional<std::vector<int> > ovi_t;
+  ovi_t val1;
+  std::vector<int> v;
+  v.push_back(1);
+  v.push_back(2);
+  v.push_back(3);
+  val1 = v;
+  msgpack::object obj(val1);
+  ovi_t  val2 = obj.as<ovi_t>();
+  EXPECT_TRUE(val1 == val2);
+  }
+*/
+
+TEST(MSGPACK_CPP17, optional_object_with_zone_nil)
+{
+    msgpack::zone z;
+    std::optional<int> val1;
+    msgpack::object obj(val1, z);
+    std::optional<int> val2 = obj.as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_object_with_zone_int)
+{
+    msgpack::zone z;
+    std::optional<int> val1 = 1;
+    msgpack::object obj(val1, z);
+    std::optional<int> val2 = obj.as<std::optional<int> >();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, optional_object_with_zone_vector_optional)
+{
+    typedef std::vector<std::optional<int> > voi_t;
+    msgpack::zone z;
+    voi_t val1;
+    val1.resize(3);
+    val1[0] = 1;
+    val1[2] = 3;
+    msgpack::object obj(val1, z);
+    voi_t  val2 = obj.as<voi_t>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+struct no_def_con {
+    no_def_con() = delete;
+    no_def_con(int i):i(i) {}
+    int i;
+    MSGPACK_DEFINE(i);
+};
+
+inline bool operator==(no_def_con const& lhs, no_def_con const& rhs) {
+    return lhs.i == rhs.i;
+}
+
+inline bool operator!=(no_def_con const& lhs, no_def_con const& rhs) {
+    return !(lhs == rhs);
+}
+
+namespace msgpack {
+MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
+namespace adaptor {
+
+template <>
+struct as<no_def_con> {
+    no_def_con operator()(msgpack::object const& o) const {
+        if (o.type != msgpack::type::ARRAY) throw msgpack::type_error();
+        if (o.via.array.size != 1) throw msgpack::type_error();
+        return no_def_con(o.via.array.ptr[0].as<int>());
+    }
+};
+
+} // adaptor
+} // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
+} // msgpack
+
+TEST(MSGPACK_CPP17, optional_pack_convert_no_def_con)
+{
+    std::stringstream ss;
+    std::optional<no_def_con> val1 = no_def_con(1);
+    msgpack::pack(ss, val1);
+    msgpack::object_handle oh =
+        msgpack::unpack(ss.str().data(), ss.str().size());
+    std::optional<no_def_con> val2 = oh.get().as<std::optional<no_def_con>>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, string_view_pack_convert_string_view)
+{
+    std::stringstream ss;
+    std::string s = "ABC";
+    std::string_view val1(s);
+
+    msgpack::pack(ss, val1);
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    std::string_view val2 = oh.get().as<std::string_view>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, string_view_object_strinf_view)
+{
+    std::string s = "ABC";
+    std::string_view val1(s);
+    msgpack::object obj(val1);
+    std::string_view val2 = obj.as<std::string_view>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+TEST(MSGPACK_CPP17, string_view_object_with_zone_string_view)
+{
+    msgpack::zone z;
+    std::string s = "ABC";
+    std::string_view val1(s);
+    msgpack::object obj(val1, z);
+    std::string_view val2 = obj.as<std::string_view>();
+    EXPECT_TRUE(val1 == val2);
+}
+
+#endif // !defined(MSGPACK_USE_CPP03) && __cplusplus >= 201703
--- a/test/object.cpp
+++ b/test/object.cpp
@@ -181,7 +181,7 @@ TEST(object, cross_zone_copy_ext)
    msgpack::object::with_zone obj1(z1);

    obj1.type = msgpack::type::EXT;
-    char* ptr = static_cast<char*>(obj1.zone.allocate_align(2));
+    char* ptr = static_cast<char*>(obj1.zone.allocate_align(2, MSGPACK_ZONE_ALIGNOF(char)));
    ptr[0] = 1;
    ptr[1] = 2;
    obj1.via.ext.ptr = ptr;
@@ -204,7 +204,7 @@ TEST(object, cross_zone_copy_construct_ext)
    msgpack::object::with_zone obj1(z1);

    obj1.type = msgpack::type::EXT;
-    char* ptr = static_cast<char*>(obj1.zone.allocate_align(2));
+    char* ptr = static_cast<char*>(obj1.zone.allocate_align(2, MSGPACK_ZONE_ALIGNOF(char)));
    ptr[0] = 1;
    ptr[1] = 2;
    obj1.via.ext.ptr = ptr;
--- a/test/user_class.cpp
+++ b/test/user_class.cpp
@@ -152,7 +152,7 @@ public:
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
 #endif // (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) && !defined(__clang__)
-        msgpack::type::tuple<bool, msgpack::object> tuple;
+        msgpack::type::tuple<bool, msgpack::object> tuple(false, msgpack::object());
        o.convert(tuple);

        is_double = tuple.get<0>();
Author	SHA1	Message	Date
Takatoshi Kondo	7c67109396	Updated README.	2017-08-04 07:18:17 +09:00
Takatoshi Kondo	fd4e28f23d	Merge pull request #621 from redboltz/v2.1.4 Updated the version to 2.1.4.	2017-08-03 23:59:16 +09:00
Takatoshi Kondo	2098062613	Updated the version to 2.1.4.	2017-08-03 22:46:40 +09:00
Takatoshi Kondo	22bc707035	Merge pull request #619 from msgpack/fix_fusion_conflict Fixed conflict between boost fusion sequence and std::tuple/std::pair.	2017-07-26 11:30:43 +09:00
Takatoshi Kondo	7ad743f2da	Fixed conflict between boost fusion sequence and std::tuple/std::pair.	2017-07-26 10:24:17 +09:00
Takatoshi Kondo	315bbd4b40	Merge branch 'chshaob1-alignment'	2017-07-24 08:13:43 +09:00
Takatoshi Kondo	288a6b2e31	Fixed zone expansion algorithm.	2017-07-23 19:12:17 +09:00
Takatoshi Kondo	a0e4294b5a	Set MSGPACK_ZONE_ALIGNOF(char) explicitly. It makes efficient zone allocation. If it was omitted, the default alignment was applied. It was inefficient.	2017-07-23 19:11:12 +09:00
Takatoshi Kondo	64baa15f8e	Fixed aligned size.	2017-07-22 15:35:02 +09:00
Takatoshi Kondo	354ee5b9a3	Merge branch 'alignment' of https://github.com/chshaob1/msgpack-c into chshaob1-alignment	2017-07-22 15:28:12 +09:00
Takatoshi Kondo	2ddd79499c	Merge pull request #617 from redboltz/partial_fix_460 Partially fixed #460.	2017-07-20 14:16:07 +09:00
Takatoshi Kondo	7f0614e998	Merge branch 'clarkli86-master'	2017-07-20 11:24:50 +09:00
Takatoshi Kondo	150d74508e	Fixed msgpack_unpack_next(), C interface, return value.	2017-07-20 11:23:01 +09:00
Takatoshi Kondo	8674c821c4	Merge branch 'master' of https://github.com/clarkli86/msgpack-c into clarkli86-master	2017-07-20 11:18:38 +09:00
Takatoshi Kondo	10be66712d	Partially fixed #460 . If msgpack-c compiles on "sparc" platform, then define MSGPACK_ZONE_ALIGN=8 macro. It allocates 8byte (64bit) alignment memory on zone allocating.	2017-07-20 11:00:16 +09:00
Clark Li	2698cfc254	Fix return type in C quickstart examples	2017-07-18 23:22:56 +09:30
Takatoshi Kondo	333ee98ab2	Merge pull request #613 from redboltz/fix_612 Fixed #612	2017-07-13 18:58:59 +09:00
Takatoshi Kondo	156e315394	Fixed #612 Removed visit_float() and added visit_float32() and visit_float64() from/to unpack visitor.	2017-07-11 13:51:51 +09:00
Takatoshi Kondo	01fedf847b	Merge pull request #611 from redboltz/fix_msvc_warning Fixed msvc2015.	2017-07-04 08:49:56 +09:00
Takatoshi Kondo	56db4475f2	Fixed msvc2015.	2017-07-04 07:44:03 +09:00
Takatoshi Kondo	f065c2a447	Merge pull request #610 from redboltz/add_asio_examples Added boost asio examples.	2017-07-03 22:48:55 +09:00
Takatoshi Kondo	ba4d8df63e	Added boost asio examples.	2017-07-03 21:41:39 +09:00
Takatoshi Kondo	c00584281f	Merge pull request #609 from redboltz/updated_to_2.1.3 Updated to version 2.1.3.	2017-06-15 23:58:21 +09:00
Takatoshi Kondo	45a0124ede	Updated to version 2.1.3.	2017-06-15 22:37:33 +09:00
Takatoshi Kondo	ceb27348bd	Merge pull request #608 from redboltz/add_cpp17_files Added C++17 files to build setting.	2017-06-15 20:42:40 +09:00
Takatoshi Kondo	1ad737ee08	Added C++17 files to build setting.	2017-06-15 20:41:52 +09:00
Takatoshi Kondo	7024a1ec2c	Merge pull request #607 from redboltz/fix_597 Solved #597.	2017-06-15 20:38:22 +09:00
Takatoshi Kondo	ca4a425a52	Merge pull request #602 from redboltz/fix_600 Fixed #600.	2017-06-15 16:08:24 +09:00
Takatoshi Kondo	a502097fd0	Solved #597 . Added `std::optional` and `std::string_view` adaptors.	2017-06-13 18:22:48 +09:00
Takatoshi Kondo	6b99a0c8b7	Merge branch 'jasperla-openbsd'	2017-06-13 12:51:27 +09:00
Takatoshi Kondo	1a3fcc3a22	Prevent iovec redefinition on C++.	2017-06-13 12:50:53 +09:00
Takatoshi Kondo	111739f8ce	Merge branch 'openbsd' of https://github.com/jasperla/msgpack-c into jasperla-openbsd	2017-06-13 12:27:49 +09:00
Takatoshi Kondo	f638e2186b	Merge pull request #605 from redboltz/fix_nonnull_warning Fixed nonnull warnings on gcc 7.1.	2017-06-12 23:38:34 +09:00
Takatoshi Kondo	002376c678	Merge pull request #604 from redboltz/fix_gcc71_warning Suppressed gcc 7.1 `maybe-uninitialized` warning.	2017-06-12 23:38:21 +09:00
Takatoshi Kondo	09a2f81b5f	Merge pull request #603 from redboltz/add_missing_cmake_on_dist Added a missing cmake file to makedist.sh.	2017-06-12 23:38:06 +09:00
Takatoshi Kondo	ffcaaeb482	Fixed #600 . Added `maybe-uninitialized` warning suppression code.	2017-06-12 15:33:05 +09:00
Takatoshi Kondo	bd511a4bd1	Fixed nonnull warnings on gcc 7.1.	2017-06-12 15:14:37 +09:00
Takatoshi Kondo	684c5e0bb0	Suppressed gcc 7.1 `maybe-uninitialized` warning. When I execute cmake `-DMSGPACK_CXX11=OFF`, gcc 7.1 reports the warning. I've already added the warning suppression pragma, but it doesn't work in this case. So I added explicit initializing code even if it is redundant.	2017-06-12 14:11:21 +09:00
Takatoshi Kondo	8e74449181	Added a missing cmake file to makedist.sh.	2017-06-12 14:10:08 +09:00
Jasper Lievisse Adriaanse	f2b788e51f	Sprinkle __OpenBSD__: include missing headers and prevent iovec redefinition	2017-06-11 18:13:10 +02:00
Takatoshi Kondo	7214b4c73f	Merge pull request #599 from redboltz/fix_598 Fixed #598.	2017-06-08 20:44:21 +09:00
Takatoshi Kondo	a7a78bde9b	Fixed #598 .	2017-06-08 09:26:05 +00:00
Beilu Shao	b4786711df	alignment: use proper alignment size Pass proper alignment size when use allocate_align(). This will fix alignment trap issues on ARM. Signed-off-by: Beilu Shao <beilushao@gmail.com>	2016-10-16 23:59:13 +02:00