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       1                 :            : /*
       2                 :            :  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
       3                 :            :  *
       4                 :            :  * Licensed under the Apache License, Version 2.0 (the "License").
       5                 :            :  * You may not use this file except in compliance with the License.
       6                 :            :  * A copy of the License is located at
       7                 :            :  *
       8                 :            :  *  http://aws.amazon.com/apache2.0
       9                 :            :  *
      10                 :            :  * or in the "license" file accompanying this file. This file is distributed
      11                 :            :  * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
      12                 :            :  * express or implied. See the License for the specific language governing
      13                 :            :  * permissions and limitations under the License.
      14                 :            :  */
      15                 :            : 
      16                 :            : #include "utils/s2n_safety.h"
      17                 :            : 
      18                 :            : void *s2n_ensure_memmove_trace(void *to, const void *from, size_t size)
      19                 :  118471869 : {
      20 [ +  - ][ +  + ]:  118471869 :     PTR_ENSURE_REF(to);
      21 [ +  - ][ +  + ]:  118471865 :     PTR_ENSURE_REF(from);
      22                 :            : 
      23                 :            :     /* use memmove instead of memcpy since it'll handle overlapping regions and not result in UB */
      24                 :  118471861 :     void *result = memmove(to, from, size);
      25 [ -  + ][ #  # ]:  118471861 :     PTR_ENSURE_REF(result);
      26                 :  118471861 :     return result;
      27                 :  118471861 : }