contrib/restricted/aws/s2n/utils/s2n_ensure.c


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/* 
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). 
 * You may not use this file except in compliance with the License. 
 * A copy of the License is located at 
 * 
 *  http://aws.amazon.com/apache2.0 
 * 
 * or in the "license" file accompanying this file. This file is distributed 
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the License for the specific language governing 
 * permissions and limitations under the License. 
 */ 
 
#include "utils/s2n_safety.h" 
 
void* s2n_ensure_memcpy_trace(void *restrict to, const void *restrict from, size_t size, const char *debug_str) 
{ 
    if (to == NULL || from == NULL) { 
        s2n_errno = S2N_ERR_NULL; 
        s2n_debug_str = debug_str; 
        return NULL; 
    } 
 
    return memcpy(to, from, size); 
}