fc_interface.c

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/****************************************************************************
 Freeciv - Copyright (C) 2004 - The Freeciv Team
   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, 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.
****************************************************************************/
 
#ifdef HAVE_CONFIG_H
#include <fc_config.h>
#endif
 
/* utility */
#include "astring.h"
#include "fciconv.h"
#include "netfile.h"
#include "shared.h"
 
/* common */
#include "player.h"
#include "tile.h"
#include "vision.h"
 
#include "fc_interface.h"
 
/* Struct with functions pointers; the functions are defined in
   ./client/client_main.c:init_client_functions(),
   ./server/srv_main.c:init_server_functions(), and
   ./tools/shared/tools_fc_interface.c(). */
struct functions fc_functions;
 
/* The functions are accessed via this pointer. */
const struct functions *fc_funcs = NULL;
/* After this is set to TRUE (in interface_init()), the functions are
   available via fc_funcs. */
bool fc_funcs_defined = FALSE;
 
/************************************************************************/
struct functions *fc_interface_funcs(void)
{
  fc_assert_exit(!fc_funcs_defined);
 
  return &fc_functions;
}
 
/************************************************************************/
void i_am_server(void)
{
  am_i_server = TRUE;
}
 
/************************************************************************/
void i_am_client(void)
{
  am_i_server = FALSE;
}
 
/************************************************************************/
void libfreeciv_init(bool check_fc_interface)
{
  fc_astr_init();
  fc_support_init();
  init_nls();
 
  if (check_fc_interface) {
    fc_funcs = &fc_functions;
 
    /* Test the existence of each required function here! */
    fc_assert_exit(fc_funcs->server_setting_by_name);
    fc_assert_exit(fc_funcs->server_setting_name_get);
    fc_assert_exit(fc_funcs->server_setting_type_get);
    fc_assert_exit(fc_funcs->server_setting_val_bool_get);
    fc_assert_exit(fc_funcs->server_setting_val_int_get);
    fc_assert_exit(fc_funcs->server_setting_val_bitwise_get);
    fc_assert_exit(fc_funcs->player_tile_vision_get);
    fc_assert_exit(fc_funcs->player_tile_city_id_get);
    fc_assert_exit(fc_funcs->gui_color_free);
 
    fc_funcs_defined = TRUE;
  }
}
 
/************************************************************************/
void libfreeciv_free(void)
{
  diplrel_mess_close();
  free_data_dir_names();
  free_multicast_group();
  free_freeciv_storage_dir();
  free_user_home_dir();
  free_fileinfo_data();
  netfile_free();
  free_nls();
  fc_iconv_close();
  fc_support_free();
  fc_astr_free();
}