Assorted fixes for test failures.

mysql-test/suite/sys_vars/r/shared_memory_base_name_basic.result

 select @@global.shared_memory_base_name;
 @@global.shared_memory_base_name
-MYSQLTEST_VARDIR/tmp/mysqld.1.sock
+MYSQL_TMP_DIR/mysqld.1.sock
 select @@session.shared_memory_base_name;
 ERROR HY000: Variable 'shared_memory_base_name' is a GLOBAL variable
 show global variables like 'shared_memory_base_name';
 Variable_name	Value
-shared_memory_base_name	MYSQLTEST_VARDIR/tmp/mysqld.1.sock
+shared_memory_base_name	MYSQL_TMP_DIR/mysqld.1.sock
 show session variables like 'shared_memory_base_name';
 Variable_name	Value
-shared_memory_base_name	MYSQLTEST_VARDIR/tmp/mysqld.1.sock
+shared_memory_base_name	MYSQL_TMP_DIR/mysqld.1.sock
 select * from information_schema.global_variables where variable_name='shared_memory_base_name';
 VARIABLE_NAME	VARIABLE_VALUE
-SHARED_MEMORY_BASE_NAME	MYSQLTEST_VARDIR/tmp/mysqld.1.sock
+SHARED_MEMORY_BASE_NAME	MYSQL_TMP_DIR/mysqld.1.sock
 select * from information_schema.session_variables where variable_name='shared_memory_base_name';
 VARIABLE_NAME	VARIABLE_VALUE
-SHARED_MEMORY_BASE_NAME	MYSQLTEST_VARDIR/tmp/mysqld.1.sock
+SHARED_MEMORY_BASE_NAME	MYSQL_TMP_DIR/mysqld.1.sock
 set global shared_memory_base_name=1;
 ERROR HY000: Variable 'shared_memory_base_name' is a read only variable
 set session shared_memory_base_name=1;

mysql-test/suite/sys_vars/t/shared_memory_base_name_basic.test

@@ -3,17 +3,17 @@
 #
 # only global
 #
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
 select @@global.shared_memory_base_name;
 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 select @@session.shared_memory_base_name;
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
 show global variables like 'shared_memory_base_name';
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
 show session variables like 'shared_memory_base_name';
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
 select * from information_schema.global_variables where variable_name='shared_memory_base_name';
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--replace_result $MYSQL_TMP_DIR MYSQL_TMP_DIR
 select * from information_schema.session_variables where variable_name='shared_memory_base_name';
 
 #

sql/sql_show.cc

@@ -596,9 +596,9 @@ public:
     return m_view_access_denied_message_ptr;
   }
 
-  bool handle_condition(THD *thd, uint sql_errno, const char */* sqlstate */,
+  bool handle_condition(THD *thd, uint sql_errno, const char * /* sqlstate */,
                         MYSQL_ERROR::enum_warning_level level,
-                        const char *message, MYSQL_ERROR **/* cond_hdl */)
+                        const char *message, MYSQL_ERROR ** /* cond_hdl */)
   {
     /*
        The handler does not handle the errors raised by itself.