Re: [Qemu-devel] [PATCH v8 05/12] vpc: Use QEMU UUID API

[Jeff Cody <jcody@redhat.com>]

On Sun, Sep 18, 2016 at 12:25:25PM +0800, Fam Zheng wrote:
> Previously we conditionally generated footer->uuid, when libuuid was
> available. Now that we have a built-in implementation, we can switch to
> it.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> ---
>  block/vpc.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/block/vpc.c b/block/vpc.c
> index 43707ed..8d5886f 100644
> --- a/block/vpc.c
> +++ b/block/vpc.c
> @@ -30,9 +30,7 @@
>  #include "qemu/module.h"
>  #include "migration/migration.h"
>  #include "qemu/bswap.h"
> -#if defined(CONFIG_UUID)
> -#include <uuid/uuid.h>
> -#endif
> +#include "qemu/uuid.h"
>  
>  /**************************************************************/
>  
> @@ -89,7 +87,7 @@ typedef struct vhd_footer {
>      uint32_t    checksum;
>  
>      /* UUID used to identify a parent hard disk (backing file) */
> -    uint8_t     uuid[16];
> +    QemuUUID    uuid;
>  
>      uint8_t     in_saved_state;
>  } QEMU_PACKED VHDFooter;
> @@ -980,9 +978,7 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp)
>  
>      footer->type = cpu_to_be32(disk_type);
>  
> -#if defined(CONFIG_UUID)
> -    uuid_generate(footer->uuid);
> -#endif
> +    qemu_uuid_generate(&footer->uuid);
>  
>      footer->checksum = cpu_to_be32(vpc_checksum(buf, HEADER_SIZE));
>  
> -- 
> 2.7.4
> 
> 
Reviewed-by: Jeff Cody <jcody@redhat.com>