/*

 * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef _GNU_SOURCE

# define _GNU_SOURCE

#endif

#include <stdlib.h>

#include "internal/cryptlib.h"

char *ossl_safe_getenv(const char *name)

{

#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)

# if __GLIBC_PREREQ(2, 17)

#  define SECURE_GETENV

    return secure_getenv(name);

# endif

#endif

#ifndef SECURE_GETENV

    if (OPENSSL_issetugid())

        return NULL;

    return getenv(name);

#endif

}