From: "Cédric Le Goater" <clg@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Cédric Le Goater" <clg@redhat.com>, "Fam Zheng" <fam@euphon.net>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH] util/uuid: Define UUID_STR_LEN from UUID_NONE string
Date: Fri, 27 Oct 2023 08:54:43 +0200 [thread overview]
Message-ID: <20231027065443.1305431-1-clg@redhat.com> (raw)
Cc: Fam Zheng <fam@euphon.net>
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
Follow up on :
https://lore.kernel.org/qemu-devel/20231026070636.1165037-1-clg@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);
--
2.41.0
next reply other threads:[~2023-10-27 6:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-27 6:54 Cédric Le Goater [this message]
2023-10-27 7:18 ` [PATCH] util/uuid: Define UUID_STR_LEN from UUID_NONE string Philippe Mathieu-Daudé
2023-10-30 8:59 ` Cédric Le Goater
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