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authorSergei Golubchik <serg@mariadb.org>2018-02-06 14:50:50 +0100
committerSergei Golubchik <serg@mariadb.org>2018-02-06 14:50:50 +0100
commit4771ae4b22d2bdef0aafc563570c71d4636a2493 (patch)
treed115bd7c68b1e6feab68ff6fcd547e0c86c79296 /include/my_compare.h
parent60f51af755ea9d07c20a596ba21de184816fa265 (diff)
parent0c25e58db6b045df92c209d396031cac5b528bbf (diff)
downloadmariadb-git-4771ae4b22d2bdef0aafc563570c71d4636a2493.tar.gz
Merge branch 'github/10.1' into 10.2
Diffstat (limited to 'include/my_compare.h')
-rw-r--r--include/my_compare.h24
1 files changed, 13 insertions, 11 deletions
diff --git a/include/my_compare.h b/include/my_compare.h
index 12f9971d49b..b650430bb9e 100644
--- a/include/my_compare.h
+++ b/include/my_compare.h
@@ -91,17 +91,19 @@ typedef struct st_HA_KEYSEG /* Key-portion */
#define size_to_store_key_length(length) ((length) < 255 ? 1 : 3)
-#define get_rec_bits(bit_ptr, bit_ofs, bit_len) \
- (((((uint16) (bit_ptr)[1] << 8) | (uint16) (bit_ptr)[0]) >> (bit_ofs)) & \
- ((1 << (bit_len)) - 1))
-
-#define set_rec_bits(bits, bit_ptr, bit_ofs, bit_len) \
-{ \
- (bit_ptr)[0]= ((bit_ptr)[0] & ~(((1 << (bit_len)) - 1) << (bit_ofs))) | \
- ((bits) << (bit_ofs)); \
- if ((bit_ofs) + (bit_len) > 8) \
- (bit_ptr)[1]= ((bit_ptr)[1] & ~((1 << ((bit_len) - 8 + (bit_ofs))) - 1)) | \
- ((bits) >> (8 - (bit_ofs))); \
+static inline uint16 get_rec_bits(const uchar *ptr, uchar ofs, uint len)
+{
+ uint16 val= ptr[0];
+ if (ofs + len > 8)
+ val|= (uint16)(ptr[1]) << 8;
+ return (val >> ofs) & ((1 << len) - 1);
+}
+
+static inline void set_rec_bits(uint16 bits, uchar *ptr, uchar ofs, uint len)
+{
+ ptr[0]= (ptr[0] & ~(((1 << len) - 1) << ofs)) | (bits << ofs);
+ if (ofs + len > 8)
+ ptr[1]= (ptr[1] & ~((1 << (len - 8 + ofs)) - 1)) | (bits >> (8 - ofs));
}
#define clr_rec_bits(bit_ptr, bit_ofs, bit_len) \