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view src/os/unix/ngx_dlopen.c @ 7208:affeb6ef732c

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HTTP/2: fixed ngx_http_v2_push_stream() allocation error handling. In particular, if a stream object allocation failed, and a client sent the PRIORITY frame for this stream, ngx_http_v2_set_dependency() could dereference a null pointer while trying to re-parent a dependency node.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 15 Feb 2018 17:51:37 +0300
parents 7142b04337d6
children
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/*
 * Copyright (C) Maxim Dounin
 * Copyright (C) Nginx, Inc.
 */


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


#if (NGX_HAVE_DLOPEN)

char *
ngx_dlerror(void)
{
    char  *err;

    err = (char *) dlerror();

    if (err == NULL) {
        return "";
    }

    return err;
}

#endif