Fix for bug#37669: Server crash by setting "@@session.innodb_table_locks"

Problem: reading/writing data from/to an address without proper
alignment leads to SIGBUS on some platforms.

Fix: use the correct data type when dereferencing variable values.
This commit is contained in:
Ramil Kalimullin 2008-07-09 16:52:26 +05:00
parent 449d359fa0
commit db56fd008c

View File

@ -1882,7 +1882,7 @@ static int check_func_bool(THD *thd, struct st_mysql_sys_var *var,
}
result= (int) tmp;
}
*(int*)save= -result;
*(my_bool *) save= -result;
return 0;
err:
my_error(ER_WRONG_VALUE_FOR_VAR, MYF(0), var->name, strvalue);
@ -2063,7 +2063,7 @@ err:
static void update_func_bool(THD *thd, struct st_mysql_sys_var *var,
void *tgt, const void *save)
{
*(my_bool *) tgt= *(int *) save ? 1 : 0;
*(my_bool *) tgt= *(my_bool *) save ? TRUE : FALSE;
}