null_buffers is deprecated

CHANGELOG.md

@@ -3,6 +3,7 @@ Version 145:
 * Rename some detail functions
 * Refactor basic_fields allocator internals
 * Refactor HTTP async read composed operations
+* null_buffers is deprecated
 
 --------------------------------------------------------------------------------
 

include/boost/beast/http/empty_body.hpp

@@ -100,7 +100,7 @@ struct empty_body
     struct writer
     {
         using const_buffers_type =
-            boost::asio::null_buffers;
+            boost::asio::const_buffer;
 
         template<bool isRequest, class Fields>
         explicit

include/boost/beast/websocket/impl/teardown.ipp

@@ -124,8 +124,8 @@ operator()(error_code ec, std::size_t)
         }
 
     do_read:
-        return s_.async_read_some(
+        return s_.async_wait(
-            boost::asio::null_buffers{},
+            boost::asio::ip::tcp::socket::wait_read,
                 std::move(*this));
     }
     if(role_ == role_type::client)

test/beast/core/buffers_prefix.cpp

@@ -131,14 +131,14 @@ public:
         }}
     }
 
-    void testNullBuffers()
+    void testEmptyBuffers()
     {
         using boost::asio::buffer_copy;
         using boost::asio::buffer_size;
-        using boost::asio::null_buffers;
+        using boost::asio::mutable_buffer;
-        auto pb0 = buffers_prefix(0, null_buffers{});
+        auto pb0 = buffers_prefix(0, mutable_buffer{});
         BEAST_EXPECT(buffer_size(pb0) == 0);
-        auto pb1 = buffers_prefix(1, null_buffers{});
+        auto pb1 = buffers_prefix(1, mutable_buffer{});
         BEAST_EXPECT(buffer_size(pb1) == 0);
         BEAST_EXPECT(buffer_copy(pb0, pb1) == 0);
 
@@ -175,7 +175,7 @@ public:
     {
         testMatrix<boost::asio::const_buffer>();
         testMatrix<boost::asio::mutable_buffer>();
-        testNullBuffers();
+        testEmptyBuffers();
         testIterator();
     }
 };

test/beast/core/buffers_suffix.cpp

@@ -143,16 +143,16 @@ public:
     }
 
     void
-    testNullBuffers()
+    testEmptyBuffers()
     {
         using boost::asio::buffer_copy;
         using boost::asio::buffer_size;
-        using boost::asio::null_buffers;
+        using boost::asio::mutable_buffer;
-        buffers_suffix<null_buffers> cb(
+        buffers_suffix<mutable_buffer> cb(
-            null_buffers{});
+            mutable_buffer{});
         BEAST_EXPECT(buffer_size(cb) == 0);
-        buffers_suffix<null_buffers> cb2(
+        buffers_suffix<mutable_buffer> cb2(
-            null_buffers{});
+            mutable_buffer{});
         BEAST_EXPECT(buffer_copy(cb2, cb) == 0);
     }
 
@@ -174,7 +174,7 @@ public:
         testMatrix();
         testDefaultCtor();
         testInPlace();
-        testNullBuffers();
+        testEmptyBuffers();
         testIterator();
     }
 };

test/beast/websocket/write.cpp

@@ -66,7 +66,7 @@ public:
         doTest(pmd, [&](ws_type& ws)
         {
             ws.text(true);
-            w.write(ws, boost::asio::null_buffers{});
+            w.write(ws, boost::asio::const_buffer{});
             multi_buffer b;
             w.read(ws, b);
             BEAST_EXPECT(ws.got_text());
@@ -549,7 +549,7 @@ public:
                 if(! BEAST_EXPECTS(! ec, ec.message()))
                     break;
                 ws.async_write_some(false,
-                    boost::asio::null_buffers{},
+                    boost::asio::const_buffer{},
                     [&](error_code, std::size_t)
                     {
                         fail();