Merge aelkin@bk-internal.mysql.com:/home/bk/mysql-5.0-rpl

into  koti.dsl.inet.fi:/home/elkin/MySQL/TEAM/FIXES/5.0/bug28597-log_name_upgrade

mysql-test/t/rpl_dual_pos_advance.test

@@ -106,9 +106,3 @@ connection slave;
 sync_with_master;
 
 # End of 4.1 tests
-
-# Cleanup
-# The A->B->A replication causes the master to start writing relay logs
-# in var/run, remove them
-remove_file $MYSQLTEST_VARDIR/run/master-relay-bin.000001;
-remove_file $MYSQLTEST_VARDIR/run/master-relay-bin.index;

mysql-test/t/rpl_temporary.test

@@ -211,6 +211,8 @@ select * from t1;
 connection master; 
 drop table t1;
 
+--remove_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
+
 # Delete the anonymous users
 source include/delete_anonymous_users.inc;
 

sql/log.cc

@@ -448,13 +448,10 @@ const char *MYSQL_LOG::generate_name(const char *log_name,
 {
   if (!log_name || !log_name[0])
   {
-    /*
-      TODO: The following should be using fn_format();  We just need to
-      first change fn_format() to cut the file name if it's too long.
-    */
-    strmake(buff, pidfile_name,FN_REFLEN-5);
-    strmov(fn_ext(buff),suffix);
-    return (const char *)buff;
+    strmake(buff, pidfile_name, FN_REFLEN - strlen(suffix) - 1);
+    return (const char *)
+      fn_format(buff, buff, "", suffix, MYF(MY_REPLACE_EXT|MY_REPLACE_DIR));
+
   }
   // get rid of extension if the log is binary to avoid problems
   if (strip_ext)