Re: [PATCH libdrm 2/2] Add blob property create/destroy ioctl wrappers

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Hi Daniel,
On 22/05/15 12:36, Daniel Stone wrote:
> Signed-off-by: Daniel Stone <daniels@xxxxxxxxxxxxx>

There is a trivial suggestion inline, although I must say thank you !
Thank you for keeping the impl. details of struct
_drmModeAtomicReqItem/_drmModeAtomicReq out of the public headers.

> --- a/xf86drmMode.c
> +++ b/xf86drmMode.c
> @@ -1333,3 +1333,34 @@ out:
>  
>  	return ret;
>  }
> +
> +int
> +drmModeCreatePropertyBlob(int fd, const void *data, size_t length, uint32_t *id)
> +{
> +	struct drm_mode_create_blob create;
Please explicitly zero the struct - most places use memclear()

> +	int ret;
> +
> +	if (length >= 0xffffffff)
> +		return -ERANGE;
> +
> +	create.length = length;
> +	create.data = (uintptr_t) data;
> +	create.blob_id = 0;
> +	*id = 0;
> +
> +	ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create);
> +	if (ret != 0)
> +		return ret;
> +
> +	*id = create.blob_id;
> +	return 0;
> +}
> +
> +int
> +drmModeDestroyPropertyBlob(int fd, uint32_t id)
> +{
> +	struct drm_mode_destroy_blob destroy;
Ditto.

Thanks
Emil

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