[Tarantool-patches] [PATCH v5 11/52] sql: introduce mem_destroy()

Vladislav Shpilevoy v.shpilevoy at tarantool.org
Sun Apr 11 20:46:05 MSK 2021


Thanks for working on this!

See 3 comments below.

On 09.04.2021 19:36, Mergen Imeev via Tarantool-patches wrote:
> This patch introduces mem_destroy(). This function should be used to
> free and destroing all objects owned by MEM, if necessary.

1. "to free and destroy".

> Part of #5818
> ---
> diff --git a/src/box/sql/mem.c b/src/box/sql/mem.c
> index 5135637d9..805dc7054 100644
> --- a/src/box/sql/mem.c
> +++ b/src/box/sql/mem.c
> @@ -92,6 +92,38 @@ mem_create(struct Mem *mem)
> +
> +void
> +mem_destroy(struct Mem *mem)
> +{
> +	mem_clear(mem);
> +	if (mem->szMalloc > 0)
> +		sqlDbFree(mem->db, mem->zMalloc);
> +	mem->n = 0;
> +	mem->z = NULL;
> +	mem->szMalloc = 0;
> +	mem->zMalloc = NULL;

2. You could move szMalloc and zMalloc nullification under the 'if'
above.

> +}
> @@ -1384,7 +1359,7 @@ sqlValueFree(sql_value * v)
>  {
>  	if (!v)
>  		return;
> -	sqlVdbeMemRelease((Mem *) v);
> +	mem_destroy((Mem *) v);

3. No need for whitespace after unary operators.


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