diff options
| -rw-r--r-- | sql/structs.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sql/structs.h b/sql/structs.h index 27acb9e200e..d838e331dd1 100644 --- a/sql/structs.h +++ b/sql/structs.h @@ -874,7 +874,16 @@ public: Timeval(my_time_t sec, ulong usec) { tv_sec= sec; - tv_usec= usec; + + /* + According to POSIX.1-2001 tv_usec is declared as suseconds_t. + On some platform (e.g. MacOS) the real type of suseconds_t + is uint. To avoid compiler warnings about losing integer precision + during implicit conversion from ulong to uint it is better + to cast usec parameter explicitly to uint. + */ + DBUG_ASSERT(usec < 1000000); + tv_usec= (uint)usec; } explicit Timeval(const timeval &tv) :timeval(tv) |