service_thd_alloc.h

Go to the documentation of this file.

#ifndef MYSQL_SERVICE_THD_ALLOC_INCLUDED
/* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.

   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 MYSQL_ABI_CHECK
#include <stdlib.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

struct st_mysql_lex_string
{
  char *str;
  size_t length;
};
typedef struct st_mysql_lex_string MYSQL_LEX_STRING;

extern struct thd_alloc_service_st {
  void *(*thd_alloc_func)(MYSQL_THD, unsigned int);
  void *(*thd_calloc_func)(MYSQL_THD, unsigned int);
  char *(*thd_strdup_func)(MYSQL_THD, const char *);
  char *(*thd_strmake_func)(MYSQL_THD, const char *, unsigned int);
  void *(*thd_memdup_func)(MYSQL_THD, const void*, unsigned int);
  MYSQL_LEX_STRING *(*thd_make_lex_string_func)(MYSQL_THD, MYSQL_LEX_STRING *,
                                        const char *, unsigned int, int);
} *thd_alloc_service;

#ifdef MYSQL_DYNAMIC_PLUGIN

#define thd_alloc(thd,size) (thd_alloc_service->thd_alloc_func((thd), (size)))

#define thd_calloc(thd,size) (thd_alloc_service->thd_calloc_func((thd), (size)))

#define thd_strdup(thd,str) (thd_alloc_service->thd_strdup_func((thd), (str)))

#define thd_strmake(thd,str,size) \
  (thd_alloc_service->thd_strmake_func((thd), (str), (size)))

#define thd_memdup(thd,str,size) \
  (thd_alloc_service->thd_memdup_func((thd), (str), (size)))

#define thd_make_lex_string(thd, lex_str, str, size, allocate_lex_string) \
  (thd_alloc_service->thd_make_lex_string_func((thd), (lex_str), (str), \
                                               (size), (allocate_lex_string)))

#else

void *thd_alloc(MYSQL_THD thd, unsigned int size);
void *thd_calloc(MYSQL_THD thd, unsigned int size);
char *thd_strdup(MYSQL_THD thd, const char *str);
char *thd_strmake(MYSQL_THD thd, const char *str, unsigned int size);
void *thd_memdup(MYSQL_THD thd, const void* str, unsigned int size);

MYSQL_LEX_STRING *thd_make_lex_string(MYSQL_THD thd, MYSQL_LEX_STRING *lex_str,
                                      const char *str, unsigned int size,
                                      int allocate_lex_string);

#endif

#ifdef __cplusplus
}
#endif

#define MYSQL_SERVICE_THD_ALLOC_INCLUDED
#endif