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util/uuid: Add UUID_STR_LEN definition

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qemu_uuid_unparse() includes a trailing NUL when writing the uuid
string and the buffer size should be UUID_FMT_LEN + 1 bytes. Add a
define for this size and use it where required.

Cc: Fam Zheng <fam@euphon.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: "Denis V. Lunev" <den@openvz.org>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Cédric Le Goater 2023-10-26 09:06:34 +02:00
parent ba7d12eb8c
commit 721da0396c
8 changed files with 10 additions and 9 deletions
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4
migration/savevm.c
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@ -471,8 +471,8 @@ static bool vmstate_uuid_needed(void *opaque)
static int vmstate_uuid_post_load(void *opaque, int version_id)
{
SaveState *state = opaque;
char uuid_src[UUID_FMT_LEN + 1];
char uuid_dst[UUID_FMT_LEN + 1];
char uuid_src[UUID_STR_LEN];
char uuid_dst[UUID_STR_LEN];
if (!qemu_uuid_set) {
/*