From 0abb38a310c2ab0ed3f835c8aba02b9202a2b77b Mon Sep 17 00:00:00 2001
From: Mika Fischer <mika.fischer@zoopnet.de>
Date: Mon, 23 Dec 2019 13:33:00 +0100
Subject: [PATCH] file_win32 bodies respect http::serializer::split

fix #1786, close #1788
---
 CHANGELOG.md                                      |  1 +
 include/boost/beast/http/impl/file_body_win32.hpp | 11 ++---------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca4056aa..65475e33 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@ Version 281:
 
 * Travis builds docs
 * Fix echo-op test
+* file_win32 bodies respect http::serializer::split
 
 --------------------------------------------------------------------------------
 
diff --git a/include/boost/beast/http/impl/file_body_win32.hpp b/include/boost/beast/http/impl/file_body_win32.hpp
index 9b255a4b..e42be7f0 100644
--- a/include/boost/beast/http/impl/file_body_win32.hpp
+++ b/include/boost/beast/http/impl/file_body_win32.hpp
@@ -339,7 +339,6 @@ class write_some_win32_op
         Protocol, Executor>& sock_;
     serializer<isRequest,
         basic_file_body<file_win32>, Fields>& sr_;
-    std::size_t bytes_transferred_ = 0;
     bool header_ = false;
 
 public:
@@ -415,14 +414,8 @@ public:
         error_code ec,
         std::size_t bytes_transferred = 0)
     {
-        bytes_transferred_ += bytes_transferred;
-        if(! ec)
+        if(! ec && ! header_)
         {
-            if(header_)
-            {
-                header_ = false;
-                return (*this)();
-            }
             auto& w = sr_.writer_impl();
             w.pos_ += bytes_transferred;
             BOOST_ASSERT(w.pos_ <= w.body_.last_);
@@ -433,7 +426,7 @@ public:
                 BOOST_ASSERT(sr_.is_done());
             }
         }
-        this->complete_now(ec, bytes_transferred_);
+        this->complete_now(ec, bytes_transferred);
     }
 };