Re: [PATCH] util/uuid: Define UUID_STR_LEN from UUID_NONE string

[Cédric Le Goater]

On 10/27/23 08:54, Cédric Le Goater wrote:

Cc: Fam Zheng <f...@euphon.net>
Suggested-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Cédric Le Goater <c...@redhat.com>
---

  Follow up on :

https://lore.kernel.org/qemu-devel/20231026070636.1165037-1-...@redhat.com/

  include/qemu/uuid.h | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/qemu/uuid.h b/include/qemu/uuid.h
index 
356efe7b5797911640ed347fc08f4ef5ebbd0476..869f84af09ddc4aa80d53e133c323781ade4d190
 100644
--- a/include/qemu/uuid.h
+++ b/include/qemu/uuid.h
@@ -78,9 +78,10 @@ typedef struct {
                   "%02hhx%02hhx-" \
                   "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"

-#define UUID_STR_LEN (36 + 1)

-
  #define UUID_NONE "00000000-0000-0000-0000-000000000000"
+QEMU_BUILD_BUG_ON(sizeof(UUID_NONE) - 1 != 36);
+
+#define UUID_STR_LEN sizeof(UUID_NONE)

void qemu_uuid_generate(QemuUUID *out);

Applied to vfio-next.

Thanks,

C.