Portability fixes.

Improve mysql-test to be more robust.
Fix that GRANT doesn't delete SSL options
Change innobase_flush_log_at_trx_commit to uint.
Don't rotate logs if we read a rotate log entry from the master.


Docs/manual.texi:
  Changelog
client/mysqlbinlog.cc:
  Handle empty binlogfiles gracefully
client/mysqltest.c:
  Do a sleep after 'sync_with_master'
  Cleaned up sleep() handling.
  Free all memory on exit
configure.in:
  Fix for Mac OS 10.2
include/my_sys.h:
  Added my_strdup_with_length()
innobase/btr/btr0cur.c:
  Fixed wrong printf()
libmysql/libmysql.c:
  Added DBUG_PRINT statements.
  Assume that mysql_...send() functions has correct query length.
mysql-test/mysql-test-run.sh:
  Properly remove log files before starting new tests.
mysql-test/r/grant.result:
  Update for new test results
mysql-test/r/innodb.result:
  Update for new test results
mysql-test/r/myisam.result:
  Update for new test results
mysql-test/r/rpl_log.result:
  Update for new test results
mysql-test/r/rpl_rotate_logs.result:
  Update for new test results
mysql-test/r/variables.result:
  Update for new test results
mysql-test/t/grant.test:
  Test that GRANT doesn't delete SSL options
mysql-test/t/myisam.test:
  Test long key usage
mysql-test/t/rpl_log.test:
  Disable 'show new master'
mysql-test/t/rpl_mystery22.test:
  Longer sleep for more safety.
mysql-test/t/rpl_rotate_logs.test:
  More comments
mysys/my_malloc.c:
  Added my_strdup_with_length()
mysys/safemalloc.c:
  Added my_strdup_with_length()
mysys/thr_alarm.c:
  Fix of alarms for windows.
sql/ha_innodb.cc:
  Change innobase_flush_log_at_trx_commit to uint
mysql-test/r/rpl_redirect.result:
  Updated test results
mysql-test/t/rpl_redirect.test:
  Added more tests to improve code coverage.
sql/ha_innodb.h:
  Change innobase_flush_log_at_trx_commit to uint
sql/item_func.cc:
  Return GLOBAL and SESSION as part of column names
sql/log.cc:
  Only write STOP events when server goes down.
sql/log_event.cc:
  Don't rotate logs if we read a rotate log entry from the master.
sql/log_event.h:
  Change ident_len to uint (more efficient)
sql/mysqld.cc:
  Change innobase_flush_log_at_trx_commit to uint
sql/net_serv.cc:
  More debug output
sql/repl_failsafe.cc:
  More DEBUG
  Search until we find next position in binary log (and not only =)
sql/slave.cc:
  More DBUG & comments
  Don't rotate the binary log on master flush logs
sql/slave.h:
  indentation change
sql/sql_acl.cc:
  Test that GRANT doesn't delete SSL options
sql/sql_parse.cc:
  Disable show_new_master.
sql/sql_repl.cc:
  Chamger show_binlog_events() to use my_error()
sql/sql_table.cc:
  Fixed check for too long keys in MyISAM
sql/sql_udf.cc:
  Fix udf handling

mysql-test/mysql-test-run.sh

@@ -742,6 +742,8 @@ start_master()
   $RM -f $MASTER_MYDDIR/log.*
   # Remove stale binary logs
   $RM -f $MYSQL_TEST_DIR/var/log/master-bin.*
+  # Remove old master.info files
+  $RM -f $MYSQL_TEST_DIR/var/master-data/master.info
 
   #run master initialization shell script if one exists
 
@@ -858,8 +860,9 @@ start_slave()
    slave_pid=$SLAVE_MYPID
    slave_sock="$SLAVE_MYSOCK"
  fi
-  # Remove stale binary logs
-  $RM -f $MYSQL_TEST_DIR/var/log/$slave_ident-bin.*
+  # Remove stale binary logs and old master.info files
+  $RM -f $MYSQL_TEST_DIR/var/log/$slave_ident-*bin.*
+  $RM -f $MYSQL_TEST_DIR/$slave_datadir/master.info
 
   #run slave initialization shell script if one exists
   if [ -f "$slave_init_script" ] ;
@@ -1089,8 +1092,8 @@ run_testcase ()
        start_master
      fi
    fi
-   do_slave_restart=0
 
+   do_slave_restart=0
    if [ -f $slave_opt_file ] ;
    then
      EXTRA_SLAVE_OPT=`$CAT $slave_opt_file | $SED -e "s;\\$MYSQL_TEST_DIR;$MYSQL_TEST_DIR;"`