diff options
Diffstat (limited to 'innobase/include/mach0data.h')
| -rw-r--r-- | innobase/include/mach0data.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/innobase/include/mach0data.h b/innobase/include/mach0data.h index 7ad760cd60f..f9a3ff521d5 100644 --- a/innobase/include/mach0data.h +++ b/innobase/include/mach0data.h @@ -52,6 +52,27 @@ mach_read_from_2( /*=============*/ /* out: ulint integer, >= 0, < 64k */ byte* b); /* in: pointer to two bytes */ + +/************************************************************ +The following function is used to convert a 16-bit data item +to the canonical format, for fast bytewise equality test +against memory. */ +UNIV_INLINE +uint16 +mach_encode_2( +/*==========*/ + /* out: 16-bit integer in canonical format */ + ulint n); /* in: integer in machine-dependent format */ +/************************************************************ +The following function is used to convert a 16-bit data item +from the canonical format, for fast bytewise equality test +against memory. */ +UNIV_INLINE +ulint +mach_decode_2( +/*==========*/ + /* out: integer in machine-dependent format */ + uint16 n); /* in: 16-bit integer in canonical format */ /*********************************************************** The following function is used to store data in 3 consecutive bytes. We store the most significant byte to the lowest address. */ |