contrib/libs/openssl/crypto/getenv.c


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/* 
 * 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 
}