chunked-encoding: stop hiding the CURLE_BAD_CONTENT_ENCODING error

Unknown content-encoding would get returned as CURLE_WRITE_ERROR if the
response is chunked-encoded.

Reported-by: Ilya Kosarev
Fixes #4310

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/http_proxy.c b/lib/http_proxy.c
index 710101774..f095455a5 100644
--- a/lib/http_proxy.c
+++ b/lib/http_proxy.c
@@ -384,11 +384,12 @@ static CURLcode CONNECT(struct connectdata *conn,
             /* chunked-encoded body, so we need to do the chunked dance
                properly to know when the end of the body is reached */
             CHUNKcode r;
+            CURLcode extra;
             ssize_t tookcareof = 0;
 
             /* now parse the chunked piece of data so that we can
                properly tell when the stream ends */
-            r = Curl_httpchunk_read(conn, s->ptr, 1, &tookcareof);
+            r = Curl_httpchunk_read(conn, s->ptr, 1, &tookcareof, &extra);
             if(r == CHUNKE_STOP) {
               /* we're done reading chunks! */
               infof(data, "chunk reading DONE\n");
@@ -455,6 +456,7 @@ static CURLcode CONNECT(struct connectdata *conn,
             }
             else if(s->chunked_encoding) {
               CHUNKcode r;
+              CURLcode extra;
 
               infof(data, "Ignore chunked response-body\n");
 
@@ -472,7 +474,8 @@ static CURLcode CONNECT(struct connectdata *conn,
 
               /* now parse the chunked piece of data so that we can
                  properly tell when the stream ends */
-              r = Curl_httpchunk_read(conn, s->line_start + 1, 1, &gotbytes);
+              r = Curl_httpchunk_read(conn, s->line_start + 1, 1, &gotbytes,
+                                      &extra);
               if(r == CHUNKE_STOP) {
                 /* we're done reading chunks! */
                 infof(data, "chunk reading DONE\n");