HTTP/2: fixed saving preread buffer to temp file (ticket #1143). Previously, a request body bigger than "client_body_buffer_size" wasn't written into a temporary file if it has been pre-read entirely. The preread buffer is freed after processing, thus subsequent use of it might result in sending corrupted body or cause a segfault.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


cat << END >> $NGX_AUTO_HEADERS_H

#ifndef $have
#define $have  1
#endif

END