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Date: Thu, 7 May 2015 15:54:01 +0300
From: Tomas Winkler <tomas.winkler@...el.com>
To: gregkh@...uxfoundation.org
Cc: arnd@...db.de, linux-kernel@...r.kernel.org,
Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 04/11] uuid: extract macros for assigning raw arrays
we need 16 byte arrays for handling uuids in
device ids
Cc:linux-api@...r.kernel.org
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
include/uapi/linux/uuid.h | 41 ++++++++++++++++++++++++-----------------
1 file changed, 24 insertions(+), 17 deletions(-)
diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/uuid.h
index 786f0773cc33..487f098c8517 100644
--- a/include/uapi/linux/uuid.h
+++ b/include/uapi/linux/uuid.h
@@ -32,27 +32,34 @@ typedef struct {
__u8 b[16];
} uuid_be;
-#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
-((uuid_le) \
-{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
- (b) & 0xff, ((b) >> 8) & 0xff, \
- (c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+#define __UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+ {(a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff,\
+ (b) & 0xff, ((b) >> 8) & 0xff, \
+ (c) & 0xff, ((c) >> 8) & 0xff, \
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)}
+
+#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+ ((uuid_le) {__UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)})
+
+#define __UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+ {((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff,\
+ ((b) >> 8) & 0xff, (b) & 0xff, \
+ ((c) >> 8) & 0xff, (c) & 0xff, \
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)}
#define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
-((uuid_be) \
-{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
- ((b) >> 8) & 0xff, (b) & 0xff, \
- ((c) >> 8) & 0xff, (c) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+ ((uuid_be) {__UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)})
+
+#define __NULL_UUID_LE \
+ __UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00)
-#define NULL_UUID_LE \
- UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00)
+#define NULL_UUID_LE ((uuid_le) {__NULL_UUID_LE})
-#define NULL_UUID_BE \
- UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00)
+#define __NULL_UUID_BE \
+ __UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00)
+#define NULL_UUID_BE ((uuid_be) {__NULL_UUID_BE})
#endif /* _UAPI_LINUX_UUID_H_ */
--
2.1.0
--
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