~drizzle-trunk/drizzle/development

/* Copyright (C) 2000-2001, 2003-2004 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; 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* Mallocs for used in threads */

#include <drizzled/server_includes.h>

#include <drizzled/current_session.h>

#include <drizzled/error.h>

extern "C" {

  void sql_alloc_error_handler(void);

}

void sql_alloc_error_handler(void)

{

  errmsg_printf(ERRMSG_LVL_ERROR, "%s",ER(ER_OUT_OF_RESOURCES));

}

void init_sql_alloc(MEM_ROOT *mem_root, size_t block_size, size_t pre_alloc)

{

  init_alloc_root(mem_root, block_size, pre_alloc);

  mem_root->error_handler= sql_alloc_error_handler;

}

void *sql_alloc(size_t Size)

{

  MEM_ROOT *root= current_mem_root();

  return alloc_root(root,Size);

}

void *sql_calloc(size_t size)

{

  void *ptr;

  if ((ptr=sql_alloc(size)))

    memset(ptr, 0, size);

  return ptr;

}

char *sql_strdup(const char *str)

{

  size_t len= strlen(str)+1;

  char *pos;

  if ((pos= (char*) sql_alloc(len)))

    memcpy(pos,str,len);

  return pos;

}

char *sql_strmake(const char *str, size_t len)

{

  char *pos;

  if ((pos= (char*) sql_alloc(len+1)))

  {

    memcpy(pos,str,len);

    pos[len]=0;

  }

  return pos;

}

void* sql_memdup(const void *ptr, size_t len)

{

  void *pos;

  if ((pos= sql_alloc(len)))

    memcpy(pos,ptr,len);

  return pos;

}