// Copyright 2020 Google LLC. All Rights Reserved.

#ifndef WHITEBOX_IMPL_REFERENCE_MEMORY_UTIL_H_
#define WHITEBOX_IMPL_REFERENCE_MEMORY_UTIL_H_

#include <stddef.h>
#include <stdint.h>

namespace widevine {

// Copied from the documentation for memcpy() with minor modifications:
//
//   Copies |src_size| bytes from |src| to |dest| if |dest_size| is greater or
//   equal to |src_size|.
//
//    The underlying type of the objects pointed to by |src| and |dest| are
//    irrelevant for this function; the result is a binary copy of the data.
//
//    To avoid overflows, |src_size| is compared against |dest_size|. If there
//    won't be enough room, the copy is not attempted and false is returned.
//
//    |src| and |dest| should not overlap. For overlapping memory blocks,
//    memmove is a safer approach).
bool MemCopy(const void* src, size_t src_size, void* dest, size_t dest_size);

}  // namespace widevine

#endif  // WHITEBOX_IMPL_REFERENCE_MEMORY_UTIL_H_