http2: support > 64bit sized uploads

... by making sure we don't count down the "upload left" counter when the
uploaded size is unknown and then it can be allowed to continue forever.

Fixes #996

diff --git a/lib/http2.c b/lib/http2.c
index a66b8f74cbbd880b2767e316c886de4345c333db..c2257726a365e9498ace70f2e99b0c398dbc7b2c 100644 (file)
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -945,7 +945,8 @@ static ssize_t data_source_read_callback(nghttp2_session *session,
     memcpy(buf, stream->upload_mem, nread);
     stream->upload_mem += nread;
     stream->upload_len -= nread;
-    stream->upload_left -= nread;
+    if(data_s->state.infilesize != -1)
+      stream->upload_left -= nread;
   }
 
   if(stream->upload_left == 0)