1 --- test004.left.txt
2 +++ test004.right.txt
3 +int Chunk_bounds_check(Chunk *chunk, size_t start, size_t n)
4 +{
5 +    if (chunk == NULL) return 0;
6 +
7 +    return start <= chunk->length && n <= chunk->length - start;
8 +}
9 +
10  void Chunk_copy(Chunk *src, size_t src_start, Chunk *dst, size_t dst_start, size_t n)
11  {
12      if (!Chunk_bounds_check(src, src_start, n)) return;
13      if (!Chunk_bounds_check(dst, dst_start, n)) return;
14  
15      memcpy(dst->data + dst_start, src->data + src_start, n);
16  }
17 -
18 -int Chunk_bounds_check(Chunk *chunk, size_t start, size_t n)
19 -{
20 -    if (chunk == NULL) return 0;
21 -
22 -    return start <= chunk->length && n <= chunk->length - start;
23 -}