Merge branch 'upstream-nghttp2' into curl-http2

# By nghttp2 upstream
* upstream-nghttp2:
  nghttp2 2019-11-15 (cc05c5fe)

1 files changed, 43 insertions, 0 deletions

diff --git a/Utilities/cmnghttp2/lib/nghttp2_debug.h b/Utilities/cmnghttp2/lib/nghttp2_debug.h
new file mode 100644
index 0000000..cbb4dd5
--- /dev/null
+++ b/Utilities/cmnghttp2/lib/nghttp2_debug.h
@@ -0,0 +1,43 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2016 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef NGHTTP2_DEBUG_H
+#define NGHTTP2_DEBUG_H
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <nghttp2/nghttp2.h>
+
+#ifdef DEBUGBUILD
+#  define DEBUGF(...) nghttp2_debug_vprintf(__VA_ARGS__)
+void nghttp2_debug_vprintf(const char *format, ...);
+#else
+#  define DEBUGF(...)                                                          \
+    do {                                                                       \
+    } while (0)
+#endif
+
+#endif /* NGHTTP2_DEBUG_H */