[libvirt] [PATCH v1 14/32] util: netdevmacvlan: define cleanup function using VIR_DEFINE_AUTOPTR_FUNC

Erik Skultety eskultet at redhat.com
Fri Aug 3 13:22:54 UTC 2018


On Sat, Jul 28, 2018 at 11:31:29PM +0530, Sukrit Bhatnagar wrote:
> Using the new VIR_DEFINE_AUTOPTR_FUNC macro defined in
> src/util/viralloc.h, define a new wrapper around an existing
> cleanup function which will be called when a variable declared
> with VIR_AUTOPTR macro goes out of scope. Also, drop the redundant
> viralloc.h include, since that has moved from the source module into
> the header.
>
> When a variable of type virNetlinkCallbackDataPtr is declared using
> VIR_AUTOPTR, the function virNetlinkCallbackDataFree will be run
> automatically on it when it goes out of scope.
>
> This commit also adds an intermediate typedef for virNetlinkCallbackData
> type for use with the cleanup macros.
>
> Signed-off-by: Sukrit Bhatnagar <skrtbhtngr at gmail.com>
> ---
>  src/util/virnetdevmacvlan.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/src/util/virnetdevmacvlan.c b/src/util/virnetdevmacvlan.c
> index fb41bf9..91c6244 100644
> --- a/src/util/virnetdevmacvlan.c
> +++ b/src/util/virnetdevmacvlan.c
> @@ -576,7 +576,7 @@ static const uint32_t modeMap[VIR_NETDEV_MACVLAN_MODE_LAST] = {
>  };
>
>  /* Struct to hold the state and configuration of a 802.1qbg port */
> -struct virNetlinkCallbackData {
> +struct _virNetlinkCallbackData {
>      char *cr_ifname;
>      virNetDevVPortProfilePtr virtPortProfile;
>      virMacAddr macaddress;
> @@ -587,7 +587,8 @@ struct virNetlinkCallbackData {
>      unsigned int linkState;
>  };
>
> -typedef struct virNetlinkCallbackData *virNetlinkCallbackDataPtr;
> +typedef struct _virNetlinkCallbackData virNetlinkCallbackData;
> +typedef virNetlinkCallbackData *virNetlinkCallbackDataPtr;
>
>  # define INSTANCE_STRLEN 36
>
> @@ -870,6 +871,8 @@ virNetlinkCallbackDataFree(virNetlinkCallbackDataPtr calld)
>      VIR_FREE(calld);
>  }
>
> +VIR_DEFINE_AUTOPTR_FUNC(virNetlinkCallbackData, virNetlinkCallbackDataFree)

I believe we can add this once we have a better use case, right now, we don't,
so this patch can be dropped.

Erik




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