Re: [PATCH v2] REFTABLE_REALLOC_ARRAY: remove this unsafe yet unused macro

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On Fri, May 09, 2025 at 02:04:22AM +0000, Lidong Yan via GitGitGadget wrote:
> diff --git a/reftable/basics.h b/reftable/basics.h
> index d8888c12629..667feffd935 100644
> --- a/reftable/basics.h
> +++ b/reftable/basics.h
> @@ -199,16 +199,8 @@ static inline int reftable_alloc_size(size_t nelem, size_t elsize, size_t *out)
>  			(x) = reftable_malloc(alloc_size); \
>  		} \
>  	} while (0)
> -#define REFTABLE_CALLOC_ARRAY(x, alloc) (x) = reftable_calloc((alloc), sizeof(*(x)))
> -#define REFTABLE_REALLOC_ARRAY(x, alloc) do { \
> -		size_t alloc_size; \
> -		if (reftable_alloc_size(sizeof(*(x)), (alloc), &alloc_size) < 0) { \
> -			errno = ENOMEM; \
> -			(x) = NULL; \
> -		} else { \
> -			(x) = reftable_realloc((x), alloc_size); \
> -		} \
> -	} while (0)
> +#define REFTABLE_CALLOC_ARRAY(x, alloc) \
> +	(x) = reftable_calloc((alloc), sizeof(*(x)))

Let's avoid reformatting unrelated macros. But other than that I fully
agree -- we should remove stuff that we don't use in the first place.

Thanks!

Patrick




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