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diff --git a/server-tools/instance-manager/instance_options.h b/server-tools/instance-manager/instance_options.h
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+++ b/server-tools/instance-manager/instance_options.h
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+#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_OPTIONS_H
+#define INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_OPTIONS_H
+/* Copyright (C) 2004 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <my_global.h>
+#include <my_sys.h>
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+
+/*
+  This class contains options of an instance and methods to operate them.
+
+  We do not provide this class with the means of synchronization as it is
+  supposed that options for instances are all loaded at once during the
+  instance_map initilization and we do not change them later. This way we
+  don't have to synchronize between threads.
+*/
+
+class Instance_options
+{
+public:
+  Instance_options() : mysqld_socket(0), mysqld_datadir(0),
+  mysqld_bind_address(0), mysqld_pid_file(0), mysqld_port(0), mysqld_path(0),
+  mysqld_user(0), mysqld_password(0), is_guarded(0), filled_default_options(0)
+  {}
+  ~Instance_options();
+  /* fills in argv */
+  int complete_initialization(const char *default_path,
+                              const char *default_user,
+                              const char *default_password);
+
+  int add_option(const char* option);
+  int init(const char *instance_name_arg);
+
+public:
+  enum { MAX_NUMBER_OF_DEFAULT_OPTIONS= 3 };
+  enum { MEM_ROOT_BLOCK_SIZE= 512 };
+  char **argv;
+  /* We need the some options, so we store them as a separate pointers */
+  const char *mysqld_socket;
+  const char *mysqld_datadir;
+  const char *mysqld_bind_address;
+  const char *mysqld_pid_file;
+  const char *mysqld_port;
+  uint instance_name_len;
+  const char *instance_name;
+  const char *mysqld_path;
+  const char *mysqld_user;
+  const char *mysqld_password;
+  const char *is_guarded;
+  DYNAMIC_ARRAY options_array;
+private:
+  int add_to_argv(const char *option);
+private:
+  uint filled_default_options;
+  MEM_ROOT alloc;
+};
+
+#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_OPTIONS_H */