RetroArch/frontend/drivers/platform_dos.c

197 lines
7.5 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdio.h>
#include <time.h>
#include <process.h>
#include <string/stdstring.h>
#include <file/file_path.h>
#include "../frontend_driver.h"
#include "../../command.h"
#include "../../defaults.h"
#include "../../paths.h"
#include "../../verbosity.h"
static enum frontend_fork dos_fork_mode = FRONTEND_FORK_NONE;
static void frontend_dos_init(void *data)
{
/* Keep a call to time() as otherwise we trigger some obscure bug in
* djgpp libc code and time(NULL) return only -1 */
printf("Loading RetroArch. Time is @%ld...\n", (long) time(NULL));
}
/* TODO/FIXME - implement */
static void frontend_dos_shutdown(bool unused) { }
static int frontend_dos_get_rating(void) { return -1; }
enum frontend_architecture frontend_dos_get_arch(void)
{
return FRONTEND_ARCH_X86;
}
static void frontend_dos_get_env_settings(int *argc, char *argv[],
void *data, void *params_data)
{
char *slash;
char base_path[PATH_MAX];
retro_main_log_file_init("retrodos.txt", false);
strlcpy(base_path, argv[0], sizeof(base_path));
if ((slash = strrchr(base_path, '/')))
*slash = '\0';
slash = strrchr(base_path, '/');
if (slash && strcasecmp(slash, "/cores"))
*slash = '\0';
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE], base_path,
"cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], base_path,
"coreinfo", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG], base_path,
"autoconf", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_ASSETS], base_path,
"assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG], base_path,
"config", sizeof(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_REMAP],
g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG],
"remaps", sizeof(g_defaults.dirs[DEFAULT_DIR_REMAP]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_PLAYLIST], base_path,
"playlist", sizeof(g_defaults.dirs[DEFAULT_DIR_PLAYLIST]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG], base_path,
"recrdcfg", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT], base_path,
"records", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_DATABASE], base_path,
"database/rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
"shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CHEATS], base_path,
"cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OVERLAY], base_path,
"overlay", sizeof(g_defaults.dirs[DEFAULT_DIR_OVERLAY]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS], base_path,
"download", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT], base_path,
"scrnshot", sizeof(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS], base_path,
"thumbs", sizeof(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_LOGS], base_path,
"logs", sizeof(g_defaults.dirs[DEFAULT_DIR_LOGS]));
#ifndef IS_SALAMANDER
dir_check_defaults("custom.ini");
#endif
}
static void frontend_dos_exec(const char *path, bool should_load_game)
{
char *newargv[] = { NULL, NULL };
size_t len = strlen(path);
newargv[0] = (char*)malloc(len);
strlcpy(newargv[0], path, len);
execv(path, newargv);
}
static void frontend_dos_exitspawn(char *s, size_t len, char *args)
{
bool should_load_content = false;
if (dos_fork_mode == FRONTEND_FORK_NONE)
return;
if (dos_fork_mode == FRONTEND_FORK_CORE_WITH_ARGS)
should_load_content = true;
frontend_dos_exec(s, should_load_content);
}
static bool frontend_dos_set_fork(enum frontend_fork fork_mode)
{
switch (fork_mode)
{
case FRONTEND_FORK_CORE:
dos_fork_mode = fork_mode;
break;
case FRONTEND_FORK_CORE_WITH_ARGS:
dos_fork_mode = fork_mode;
break;
case FRONTEND_FORK_RESTART:
dos_fork_mode = FRONTEND_FORK_CORE;
{
char executable_path[PATH_MAX_LENGTH] = {0};
fill_pathname_application_path(executable_path,
sizeof(executable_path));
path_set(RARCH_PATH_CORE, executable_path);
}
command_event(CMD_EVENT_QUIT, NULL);
break;
case FRONTEND_FORK_NONE:
default:
return false;
}
return true;
}
frontend_ctx_driver_t frontend_ctx_dos = {
frontend_dos_get_env_settings,/* environment_get */
frontend_dos_init, /* init */
NULL, /* deinit */
frontend_dos_exitspawn, /* exitspawn */
NULL, /* process_args */
frontend_dos_exec, /* exec */
frontend_dos_set_fork, /* set_fork */
frontend_dos_shutdown, /* shutdown */
NULL, /* get_name */
NULL, /* get_os */
frontend_dos_get_rating, /* get_rating */
NULL, /* content_loaded */
frontend_dos_get_arch, /* get_architecture */
NULL, /* get_powerstate */
NULL, /* parse_drive_list */
NULL, /* get_total_mem */
NULL, /* get_free_mem */
NULL, /* install_signal_handler */
NULL, /* get_sighandler_state */
NULL, /* set_sighandler_state */
NULL, /* destroy_sighandler_state */
NULL, /* attach_console */
NULL, /* detach_console */
NULL, /* get_lakka_version */
NULL, /* set_screen_brightness */
NULL, /* watch_path_for_changes */
NULL, /* check_for_path_changes */
NULL, /* set_sustained_performance_mode */
NULL, /* get_cpu_model_name */
NULL, /* get_user_language */
NULL, /* is_narrator_running */
NULL, /* accessibility_speak */
NULL, /* set_gamemode */
"dos", /* ident */
NULL /* get_video_driver */
};