Re: [PATCH 2/2] shared/gatt-db: Use bt_uuid_to_le instead of local function

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Hi,

One more comment here.

On 27 March 2015 at 16:39, Grzegorz Kolodziejczyk
<grzegorz.kolodziejczyk@xxxxxxxxx> wrote:
> This patch use lib/uuid library for uuids instead of local functions.
> ---
>  src/shared/gatt-db.c | 36 ++++++++++++++++++------------------
>  1 file changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
> index 2b2090c..323ce91 100644
> --- a/src/shared/gatt-db.c
> +++ b/src/shared/gatt-db.c
> @@ -335,20 +335,6 @@ bool gatt_db_isempty(struct gatt_db *db)
>         return queue_isempty(db->services);
>  }
>
> -static int uuid_to_le(const bt_uuid_t *uuid, uint8_t *dst)
> -{
> -       bt_uuid_t uuid128;
> -
> -       if (uuid->type == BT_UUID16) {
> -               put_le16(uuid->value.u16, dst);
> -               return bt_uuid_len(uuid);
> -       }
> -
> -       bt_uuid_to_uuid128(uuid, &uuid128);
> -       bswap_128(&uuid128.value.u128, dst);
> -       return bt_uuid_len(&uuid128);
> -}
> -
>  static bool le_to_uuid(const uint8_t *src, size_t len, bt_uuid_t *uuid)
>  {
>         uint128_t u128;
> @@ -379,8 +365,8 @@ static struct gatt_db_service *gatt_db_service_create(const bt_uuid_t *uuid,
>  {
>         struct gatt_db_service *service;
>         const bt_uuid_t *type;
> +       bt_uuid_t uuid128;
>         uint8_t value[16];
> -       uint16_t len;
>
>         if (num_handles < 1)
>                 return NULL;
> @@ -400,10 +386,23 @@ static struct gatt_db_service *gatt_db_service_create(const bt_uuid_t *uuid,
>         else
>                 type = &secondary_service_uuid;
>
> -       len = uuid_to_le(uuid, value);
> +       switch (uuid->type) {
> +       case BT_UUID16:
> +       case BT_UUID128:
> +               bt_uuid_to_le(uuid, value);
> +               break;
> +       case BT_UUID32:
> +               bt_uuid_to_uuid128(uuid, &uuid128);
> +               bt_uuid_to_le(&uuid128, value);
> +               break;
> +       case BT_UUID_UNSPEC:
> +       default:
> +               gatt_db_service_destroy(service);
> +               return NULL;
> +       }
I'm not sure if we should generally handle 32bit uuids.
>
>         service->attributes[0] = new_attribute(service, handle, type, value,
> -                                                                       len);
> +                                                               uuid->type/8);
>         if (!service->attributes[0]) {
>                 gatt_db_service_destroy(service);
>                 return NULL;
> @@ -698,7 +697,8 @@ service_insert_characteristic(struct gatt_db_service *service,
>         /* We set handle of characteristic value, which will be added next */
>         put_le16(handle, &value[1]);
>         len += sizeof(uint16_t);
> -       len += uuid_to_le(uuid, &value[3]);
> +       len += uuid->type/8;
> +       bt_uuid_to_le(uuid, &value[3]);
>
>         service->attributes[i] = new_attribute(service, handle - 1,
>                                                         &characteristic_uuid,
> --
> 2.1.0
>

BR,
Grzegorz
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