diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index c8ecaf857..6ebd8eb4f 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1017,6 +1017,14 @@ typedef INT16_TYPE LogEst; #define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64) /* +** Macro SMXV(n) return the maximum value that can be held in variable n, +** assuming n is a signed integer type. UMXV(n) is similar for unsigned +** integer types. +*/ +#define SMXV(n) ((((i64)1)<<(sizeof(n)-1))-1) +#define UMXV(n) ((((i64)1)<<(sizeof(n)))-1) + +/* ** Round up a number to the next larger multiple of 8. This is used ** to force 8-byte alignment on 64-bit architectures. ** |