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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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2
block/parallels-ext.c
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@ -130,7 +130,7 @@ static BdrvDirtyBitmap *parallels_load_bitmap(BlockDriverState *bs,
g_autofree uint64_t *l1_table = NULL;
BdrvDirtyBitmap *bitmap;
QemuUUID uuid;
char uuidstr[UUID_FMT_LEN + 1];
char uuidstr[UUID_STR_LEN];
int i;
if (data_size < sizeof(bf)) {

2
block/vdi.c
View file

@ -239,7 +239,7 @@ static void vdi_header_to_le(VdiHeader *header)
static void vdi_header_print(VdiHeader *header)
{
char uuidstr[37];
char uuidstr[UUID_STR_LEN];
QemuUUID uuid;
logout("text %s", header->text);
logout("signature 0x%08x\n", header->signature);