GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-22 23:04:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

uuid: hoist helpers uuid_equal() and uuid_copy() from xfs

Browse source 
These helper are used to compare and copy two uuid_t type objects.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
[hch: also provide the respective guid_ versions]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Christoph Hellwig 2017-05-11 14:00:57 +02:00
parent b10bf0e281
commit df33767d9f
4 changed files with 22 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

20
include/linux/uuid.h
View file

@ -35,6 +35,26 @@ typedef struct {
*/
#define UUID_STRING_LEN 36
static inline bool guid_equal(const guid_t *u1, const guid_t *u2)
{
return memcmp(u1, u2, sizeof(guid_t)) == 0;
}
static inline void guid_copy(guid_t *dst, const guid_t *src)
{
memcpy(dst, src, sizeof(guid_t));
}
static inline bool uuid_equal(const uuid_t *u1, const uuid_t *u2)
{
return memcmp(u1, u2, sizeof(uuid_t)) == 0;
}
static inline void uuid_copy(uuid_t *dst, const uuid_t *src)
{
memcpy(dst, src, sizeof(uuid_t));
}
void generate_random_uuid(unsigned char uuid[16]);
extern void guid_gen(guid_t *u);