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authorMarcel Holtmann <marcel@holtmann.org>2004-04-03 08:25:58 +0000
committerMarcel Holtmann <marcel@holtmann.org>2004-04-03 08:25:58 +0000
commitee63ac598e56142ba513729d6b69df04d233d186 (patch)
tree621db2847aa9e2ea9b1fbd7624d5da3df9904766 /include/bluetooth.h
parentdb3ac6f0370159237530248efa79557c2cd98499 (diff)
Add support for unaligned access
Diffstat (limited to 'include/bluetooth.h')
-rw-r--r--include/bluetooth.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/bluetooth.h b/include/bluetooth.h
index 8690f456..3dc4b245 100644
--- a/include/bluetooth.h
+++ b/include/bluetooth.h
@@ -86,6 +86,19 @@ enum {
#error "Unknown byte order"
#endif
+/* Bluetooth unaligned access */
+#if defined(__i386__)
+#define bt_get_unaligned(ptr) (*(ptr))
+#define bt_put_unaligned(val, ptr) ((void)( *(ptr) = (val) ))
+#else
+#define bt_get_unaligned(ptr) \
+ ({ __typeof__(*(ptr)) __tmp; memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
+#define bt_put_unaligned(val, ptr) \
+ ({ __typeof__(*(ptr)) __tmp = (val); \
+ memcpy((ptr), &__tmp, sizeof(*(ptr))); \
+ (void)0; })
+#endif
+
/* BD Address */
typedef struct {
uint8_t b[6];