Don't send WINDOW_UPDATE with 0 increment

ef3e2c77 · Tatsuhiro Tsujikawa · b5427d96 · ef3e2c77
Commit ef3e2c77 authored Sep 27, 2015 by Tatsuhiro Tsujikawa
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lib/nghttp2_helper.c lib/nghttp2_helper.c +1 -1

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--- a/lib/nghttp2_helper.c
+++ b/lib/nghttp2_helper.c
@@ -215,7 +215,7 @@ int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
 int nghttp2_should_send_window_update(int32_t local_window_size,
                                      int32_t recv_window_size) {
-  return recv_window_size >= local_window_size / 2;
+  return recv_window_size > 0 && recv_window_size >= local_window_size / 2;
 }
 const char *nghttp2_strerror(int error_code) {