QUIC: optimized datagram expansion with half-RTT tickets. As shown in RFC 8446, section 2.2, Figure 3, and further specified in section 4.6.1, BoringSSL releases session tickets in Application Data (along with Finished) early, based on a precalculated client Finished transcript, once client signalled early data in extensions.

/*
 * Copyright (C) Maxim Dounin
 * Copyright (C) Nginx, Inc.
 */


#include <ngx_config.h>
#include <ngx_core.h>


char *
ngx_dlerror(void)
{
    u_char         *p;
    static u_char   errstr[NGX_MAX_ERROR_STR];

    p = ngx_strerror(ngx_errno, errstr, NGX_MAX_ERROR_STR);
    *p = '\0';

    return (char *) errstr;
}