When the ID comes from or we would like to pass it to a raw buffer,
the casting is needed.
Instead of doing it each time, provide a helpful set of macros.
Suggested-by: David Sterba <dsterba@xxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
include/linux/uuid.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index d9c4a6cce3c2..917f1d4e5d44 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -51,11 +51,16 @@ static inline void guid_copy(guid_t *dst, const guid_t *src)
memcpy(dst, src, sizeof(guid_t));
}
+#define guid_copy_from_raw(dst, src) guid_copy(dst, (const guid_t *)src)
+#define guid_copy_to_raw(dst, src) guid_copy((void *)dst, src)
+
static inline bool guid_is_null(const guid_t *guid)
{
return guid_equal(guid, &guid_null);
}
+#define guid_is_null_raw(guid) guid_is_null((const guid_t *)guid)
+
static inline bool uuid_equal(const uuid_t *u1, const uuid_t *u2)
{
return memcmp(u1, u2, sizeof(uuid_t)) == 0;
@@ -66,16 +71,24 @@ static inline void uuid_copy(uuid_t *dst, const uuid_t *src)
memcpy(dst, src, sizeof(uuid_t));
}
+#define uuid_copy_from_raw(dst, src) uuid_copy(dst, (const uuid_t *)src)
+#define uuid_copy_to_raw(dst, src) uuid_copy((void *)dst, src)
+
static inline bool uuid_is_null(const uuid_t *uuid)
{
return uuid_equal(uuid, &uuid_null);
}
+#define uuid_is_null_raw(uuid) uuid_is_null((const uuid_t *)uuid)
+
void generate_random_uuid(unsigned char uuid[16]);
extern void guid_gen(guid_t *u);
extern void uuid_gen(uuid_t *u);
+#define guid_gen_raw(guid) guid_gen((guid_t *)guid)
+#define uuid_gen_raw(uuid) uuid_gen((uuid_t *)uuid)
+
bool __must_check uuid_is_valid(const char *uuid);
extern const u8 guid_index[16];
--
2.20.1
