Re: [PATCH v2 04/20] reftable/record: stop using `COPY_ARRAY()`

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On 25/01/28 09:28AM, Patrick Steinhardt wrote:
> Drop our use of `COPY_ARRAY()`, replacing it with an open-coded variant
> thereof. This is done to reduce our dependency on the Git library.
> 
> Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
> ---
>  reftable/record.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/reftable/record.c b/reftable/record.c
> index 8919df8a4d..d1664c47ca 100644
> --- a/reftable/record.c
> +++ b/reftable/record.c
> @@ -508,7 +508,8 @@ static int reftable_obj_record_copy_from(void *rec, const void *src_rec,
>  	if (!obj->offsets)
>  		return REFTABLE_OUT_OF_MEMORY_ERROR;
>  	obj->offset_len = src->offset_len;
> -	COPY_ARRAY(obj->offsets, src->offsets, src->offset_len);
> +	if (src->offset_len)
> +		memcpy(obj->offsets, src->offsets, sizeof(*src->offsets) * src->offset_len);

The `COPY_ARRAY` version uses `st_mutl()` to protect against potential
overflows of the size parameter. Does this variant need to account for
such situations as well?

>  	return 0;
>  }
> 
> -- 
> 2.48.1.362.g079036d154.dirty
> 




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