commit 0eec832603d3a4ba9ae69a16351cf29c37f7fb7c
author Taiyu Len <taiyu.len@gmail.com> Fri May 03 23:59:28 2019 -0700
committer Daniel Stenberg <daniel@haxx.se> Sun May 05 11:09:30 2019 +0200
tree 1607a9c45668e80c5a02176ecef3361b79d8a7a9
parent c86d635b66ee0bf769076cfb1c187ccac032d41a

WRITEFUNCTION: add missing set_in_callback around callback

Closes #3837

lib/sendf.c

diff --git a/lib/sendf.c b/lib/sendf.c
index 504a28a..5913ea4 100644
--- a/lib/sendf.c
+++ b/lib/sendf.c
@@ -595,7 +595,10 @@
     size_t chunklen = len <= CURL_MAX_WRITE_SIZE? len: CURL_MAX_WRITE_SIZE;
 
     if(writebody) {
-      size_t wrote = writebody(ptr, 1, chunklen, data->set.out);
+      size_t wrote;
+      Curl_set_in_callback(data, true);
+      wrote = writebody(ptr, 1, chunklen, data->set.out);
+      Curl_set_in_callback(data, false);
 
       if(CURL_WRITEFUNC_PAUSE == wrote) {
         if(conn->handler->flags & PROTOPT_NONETWORK) {