diff options
Diffstat (limited to 'storage/xtradb/include/mach0data.ic')
| -rw-r--r-- | storage/xtradb/include/mach0data.ic | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/storage/xtradb/include/mach0data.ic b/storage/xtradb/include/mach0data.ic index ef20356bd31..96d2417ac81 100644 --- a/storage/xtradb/include/mach0data.ic +++ b/storage/xtradb/include/mach0data.ic @@ -36,7 +36,7 @@ mach_write_to_1( ulint n) /*!< in: ulint integer to be stored, >= 0, < 256 */ { ut_ad(b); - ut_ad(n <= 0xFFUL); + ut_ad((n | 0xFFUL) <= 0xFFUL); b[0] = (byte)n; } @@ -65,7 +65,7 @@ mach_write_to_2( ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); - ut_ad(n <= 0xFFFFUL); + ut_ad((n | 0xFFFFUL) <= 0xFFFFUL); b[0] = (byte)(n >> 8); b[1] = (byte)(n); @@ -81,10 +81,7 @@ mach_read_from_2( /*=============*/ const byte* b) /*!< in: pointer to 2 bytes */ { - ut_ad(b); - return( ((ulint)(b[0]) << 8) - + (ulint)(b[1]) - ); + return(((ulint)(b[0]) << 8) | (ulint)(b[1])); } /********************************************************//** @@ -129,7 +126,7 @@ mach_write_to_3( ulint n) /*!< in: ulint integer to be stored */ { ut_ad(b); - ut_ad(n <= 0xFFFFFFUL); + ut_ad((n | 0xFFFFFFUL) <= 0xFFFFFFUL); b[0] = (byte)(n >> 16); b[1] = (byte)(n >> 8); @@ -148,8 +145,8 @@ mach_read_from_3( { ut_ad(b); return( ((ulint)(b[0]) << 16) - + ((ulint)(b[1]) << 8) - + (ulint)(b[2]) + | ((ulint)(b[1]) << 8) + | (ulint)(b[2]) ); } @@ -183,9 +180,9 @@ mach_read_from_4( { ut_ad(b); return( ((ulint)(b[0]) << 24) - + ((ulint)(b[1]) << 16) - + ((ulint)(b[2]) << 8) - + (ulint)(b[3]) + | ((ulint)(b[1]) << 16) + | ((ulint)(b[2]) << 8) + | (ulint)(b[3]) ); } @@ -721,7 +718,7 @@ mach_read_from_2_little_endian( /*===========================*/ const byte* buf) /*!< in: from where to read */ { - return((ulint)(*buf) + ((ulint)(*(buf + 1))) * 256); + return((ulint)(buf[0]) | ((ulint)(buf[1]) << 8)); } /*********************************************************//** |