QUIC: reallocate qc->dcid on retry. Previously new dcid was generated in the same memory that was allocated for qc->dcid when creating the QUIC connection. However this memory was also referenced by initial_source_connection_id and retry_source_connection_id transport parameters. As a result these parameters changed their values after retry which broke the protocol.

/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_LINUX_H_INCLUDED_
#define _NGX_LINUX_H_INCLUDED_


ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in,
    off_t limit);


#endif /* _NGX_LINUX_H_INCLUDED_ */