~drizzle-trunk/drizzle/development

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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008 Sun Microsystems
 *
 *  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; version 2 of the License.
 *
 *  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef DRIZZLE_SERVER_SQL_ALLOC_H
#define DRIZZLE_SERVER_SQL_ALLOC_H

#include <libdrizzleclient/net_serv.h>
#include <mysys/my_alloc.h>
#include <mystrings/m_ctype.h>

class Session;

void init_sql_alloc(MEM_ROOT *root, size_t block_size, size_t pre_alloc_size);
void *sql_alloc(size_t);
void *sql_calloc(size_t);
char *sql_strdup(const char *str);
char *sql_strmake(const char *str, size_t len);
void *sql_memdup(const void * ptr, size_t size);
void sql_element_free(void *ptr);
char *sql_strmake_with_convert(const char *str, size_t arg_length,
                               const CHARSET_INFO * const from_cs,
                               size_t max_res_length,
                               const CHARSET_INFO * const to_cs,
                               size_t *result_length);
void sql_kill(Session *session, ulong id, bool only_kill_query);
bool net_request_file(NET* net, const char* fname);
char* query_table_status(Session *session,const char *db,const char *table_name);

/* mysql standard class memory allocator */
class Sql_alloc
{
public:
  static void *operator new(size_t size) throw ()
  {
    return sql_alloc(size);
  }
  static void *operator new[](size_t size)
  {
    return sql_alloc(size);
  }
  static void *operator new[](size_t size, MEM_ROOT *mem_root) throw ()
  { return alloc_root(mem_root, size); }
  static void *operator new(size_t size, MEM_ROOT *mem_root) throw ()
  { return alloc_root(mem_root, size); }
  static void operator delete(void *, size_t)
  {  }
  static void operator delete(void *, MEM_ROOT *)
  { /* never called */ }
  static void operator delete[](void *, MEM_ROOT *)
  { /* never called */ }
  static void operator delete[](void *, size_t)
  {  }
#ifdef HAVE_purify
  bool dummy;
  inline Sql_alloc() :dummy(0) {}
  inline ~Sql_alloc() {}
#else
  inline Sql_alloc() {}
  inline ~Sql_alloc() {}
#endif

};

#endif /* DRIZZLE_SERVER_SQL_ALLOC_H */