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authorMarko Mäkelä <marko.makela@mariadb.com>2018-02-15 10:22:03 +0200
committerMarko Mäkelä <marko.makela@mariadb.com>2018-02-15 10:22:03 +0200
commitb006d2ead4640f0ab4e29687fd7d24988b1c98f1 (patch)
treea478984bcd7f4bb2e0fd0496eae77b871077a380 /include/my_compare.h
parentb782971c58b5656820429b8ef3fae5fd82f5a0f7 (diff)
parentdc09f8f29cb2b9fdce7d5d5a623fdc8dcf1814f9 (diff)
downloadmariadb-git-b006d2ead4640f0ab4e29687fd7d24988b1c98f1.tar.gz
Merge bb-10.2-ext into 10.3
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 f53d00ec453..4387105aff8 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 uchar 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) \