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RetroArch/retroarch.c
twinaphex a9cb970d0d Move log_file code to verbosity.c
2015-11-23 15:45:02 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* 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 <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <boolean.h>
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#endif
#include <compat/strl.h>
#include <compat/getopt.h>
#include <compat/posix_string.h>
#include <file/file_path.h>
#include <retro_stat.h>
#include "msg_hash.h"
#include "verbosity.h"
#include "libretro_version_1.h"
#include "configuration.h"
#include "general.h"
#include "runloop_data.h"
#include "performance.h"
#include "cheats.h"
#include "system.h"
#include "retro_file.h"
#include "git_version.h"
#include "retroarch.h"
#ifdef HAVE_MENU
#include "menu/menu.h"
#include "menu/menu_hash.h"
#endif
char current_savestate_dir[PATH_MAX_LENGTH];
char current_savefile_dir[PATH_MAX_LENGTH];
/* Descriptive names for options without short variant. Please keep the name in
sync with the option name. Order does not matter. */
enum {
RA_OPT_MENU = 256, /* must be outside the range of a char */
RA_OPT_PORT,
RA_OPT_SPECTATE,
RA_OPT_NICK,
RA_OPT_COMMAND,
RA_OPT_APPENDCONFIG,
RA_OPT_BPS,
RA_OPT_IPS,
RA_OPT_NO_PATCH,
RA_OPT_RECORDCONFIG,
RA_OPT_SUBSYSTEM,
RA_OPT_SIZE,
RA_OPT_FEATURES,
RA_OPT_VERSION,
RA_OPT_EOF_EXIT,
RA_OPT_LOG_FILE,
RA_OPT_MAX_FRAMES
};
#include "config.features.h"
#define _PSUPP(var, name, desc) printf(" %s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(libretrodb, "LibretroDB", "LibretroDB support");
_PSUPP(command, "Command", "Command interface support");
_PSUPP(network_command, "Network Command", "Network Command interface support");
_PSUPP(sdl, "SDL", "SDL input/audio/video drivers");
_PSUPP(sdl2, "SDL2", "SDL2 input/audio/video drivers");
_PSUPP(x11, "X11", "X11 input/video drivers");
_PSUPP(wayland, "wayland", "Wayland input/video drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(opengles, "OpenGL ES", "OpenGL ES driver");
_PSUPP(xvideo, "XVideo", "Video driver");
_PSUPP(udev, "UDEV", "UDEV/EVDEV input driver support");
_PSUPP(egl, "EGL", "video context driver");
_PSUPP(kms, "KMS", "video context driver");
_PSUPP(vg, "OpenVG", "video context driver");
_PSUPP(coreaudio, "CoreAudio", "Audio driver");
_PSUPP(alsa, "ALSA", "Audio driver");
_PSUPP(oss, "OSS", "Audio driver");
_PSUPP(jack, "Jack", "Audio driver");
_PSUPP(rsound, "RSound", "Audio driver");
_PSUPP(roar, "RoarAudio", "Audio driver");
_PSUPP(pulse, "PulseAudio", "Audio driver");
_PSUPP(dsound, "DirectSound", "Audio driver");
_PSUPP(xaudio, "XAudio2", "Audio driver");
_PSUPP(al, "OpenAL", "Audio driver");
_PSUPP(sl, "OpenSL", "Audio driver");
_PSUPP(7zip, "7zip", "7zip support");
_PSUPP(zlib, "zlib", ".zip extraction");
_PSUPP(dylib, "External", "External filter and plugin support");
_PSUPP(cg, "Cg", "Fragment/vertex shader driver");
_PSUPP(glsl, "GLSL", "Fragment/vertex shader driver");
_PSUPP(glsl, "HLSL", "Fragment/vertex shader driver");
_PSUPP(libxml2, "libxml2", "libxml2 XML parsing");
_PSUPP(sdl_image, "SDL_image", "SDL_image image loading");
_PSUPP(rpng, "rpng", "PNG image loading/encoding");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libretro library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(freetype, "FreeType", "TTF font rendering driver");
_PSUPP(coretext, "CoreText", "TTF font rendering driver (for OSX and/or iOS)");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
_PSUPP(python, "Python", "Script support in shaders");
_PSUPP(libusb, "Libusb", "Libusb support");
_PSUPP(cocoa, "Cocoa", "Cocoa UI companion support (for OSX and/or iOS)");
_PSUPP(qt, "QT", "QT UI companion support");
_PSUPP(avfoundation, "AVFoundation", "Camera driver");
_PSUPP(v4l2, "Video4Linux2", "Camera driver");
}
#undef _PSUPP
static void print_version(void)
{
char str[PATH_MAX_LENGTH] = {0};
fprintf(stderr, "%s: Frontend for libretro -- v%s", msg_hash_to_str(MSG_PROGRAM), PACKAGE_VERSION);
#ifdef HAVE_GIT_VERSION
printf(" -- %s --\n", rarch_git_version);
#endif
rarch_info_get_capabilities(RARCH_CAPABILITIES_COMPILER, str, sizeof(str));
fprintf(stdout, "%s", str);
fprintf(stdout, "Built: %s\n", __DATE__);
}
/**
* print_help:
*
* Prints help message explaining the program's commandline switches.
**/
static void print_help(const char *arg0)
{
puts("===================================================================");
print_version();
puts("===================================================================");
printf("Usage: %s [OPTIONS]... [FILE]\n", arg0);
puts(" -h, --help Show this help message.");
puts(" -v, --verbose Verbose logging.");
puts(" --log-file=FILE Log messages to FILE.");
puts(" --version Show version.");
puts(" --features Prints available features compiled into program.");
#ifdef HAVE_MENU
puts(" --menu Do not require content or libretro core to be loaded,\n"
" starts directly in menu. If no arguments are passed to\n"
" the program, it is equivalent to using --menu as only argument.");
#endif
puts(" -s, --save=PATH Path for save files (*.srm).");
puts(" -S, --savestate=PATH Path for the save state files (*.state).");
puts(" -f, --fullscreen Start the program in fullscreen regardless of config settings.");
puts(" -c, --config=FILE Path for config file."
#ifdef _WIN32
"\n\t\tDefaults to retroarch.cfg in same directory as retroarch.exe.\n\t\tIf a default config is not found, the program will attempt to create one."
#else
"\n\t\tBy default looks for config in $XDG_CONFIG_HOME/retroarch/retroarch.cfg,\n\t\t$HOME/.config/retroarch/retroarch.cfg,\n\t\tand $HOME/.retroarch.cfg.\n\t\tIf a default config is not found, the program will attempt to create one based on the skeleton config (" GLOBAL_CONFIG_DIR "/retroarch.cfg)."
#endif
);
puts(" --appendconfig=FILE\n"
" Extra config files are loaded in, and take priority over\n"
" config selected in -c (or default). Multiple configs are\n"
" delimited by '|'.");
#ifdef HAVE_DYNAMIC
puts(" -L, --libretro=FILE Path to libretro implementation. Overrides any config setting.");
#endif
puts(" --subsystem=NAME Use a subsystem of the libretro core. Multiple content\n"
" files are loaded as multiple arguments. If a content\n"
" file is skipped, use a blank (\"\") command line argument.\n"
" Content must be loaded in an order which depends on the\n"
" particular subsystem used. See verbose log output to learn\n"
" how a particular subsystem wants content to be loaded.\n");
printf(" -N, --nodevice=PORT\n"
" Disconnects controller device connected to PORT (1 to %d).\n", MAX_USERS);
printf(" -A, --dualanalog=PORT\n"
" Connect a DualAnalog controller to PORT (1 to %d).\n", MAX_USERS);
printf(" -d, --device=PORT:ID\n"
" Connect a generic device into PORT of the device (1 to %d).\n", MAX_USERS);
puts(" Format is PORT:ID, where ID is a number corresponding to the particular device.");
puts(" -P, --bsvplay=FILE Playback a BSV movie file.");
puts(" -R, --bsvrecord=FILE Start recording a BSV movie file from the beginning.");
puts(" --eof-exit Exit upon reaching the end of the BSV movie file.");
puts(" -M, --sram-mode=MODE SRAM handling mode. MODE can be 'noload-nosave',\n"
" 'noload-save', 'load-nosave' or 'load-save'.\n"
" Note: 'noload-save' implies that save files *WILL BE OVERWRITTEN*.");
#ifdef HAVE_NETPLAY
puts(" -H, --host Host netplay as user 1.");
puts(" -C, --connect=HOST Connect to netplay server as user 2.");
puts(" --port=PORT Port used to netplay. Default is 55435.");
puts(" -F, --frames=NUMBER Sync frames when using netplay.");
puts(" --spectate Connect to netplay server as spectator.");
#endif
puts(" --nick=NICK Picks a username (for use with netplay). Not mandatory.");
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
puts(" --command Sends a command over UDP to an already running program process.");
puts(" Available commands are listed if command is invalid.");
#endif
puts(" -r, --record=FILE Path to record video file.\n Using .mkv extension is recommended.");
puts(" --recordconfig Path to settings used during recording.");
puts(" --size=WIDTHxHEIGHT\n"
" Overrides output video size when recording.");
puts(" -U, --ups=FILE Specifies path for UPS patch that will be applied to content.");
puts(" --bps=FILE Specifies path for BPS patch that will be applied to content.");
puts(" --ips=FILE Specifies path for IPS patch that will be applied to content.");
puts(" --no-patch Disables all forms of content patching.");
puts(" -D, --detach Detach program from the running console. Not relevant for all platforms.");
puts(" --max-frames=NUMBER\n"
" Runs for the specified number of frames, then exits.\n");
}
static void set_basename(const char *path)
{
char *dst = NULL;
global_t *global = global_get_ptr();
rarch_main_ctl(RARCH_MAIN_CTL_SET_CONTENT_PATH, (void*)path);
strlcpy(global->name.base, path, sizeof(global->name.base));
#ifdef HAVE_COMPRESSION
/* Removing extension is a bit tricky for compressed files.
* Basename means:
* /file/to/path/game.extension should be:
* /file/to/path/game
*
* Two things to consider here are: /file/to/path/ is expected
* to be a directory and "game" is a single file. This is used for
* states and srm default paths.
*
* For compressed files we have:
*
* /file/to/path/comp.7z#game.extension and
* /file/to/path/comp.7z#folder/game.extension
*
* The choice I take here is:
* /file/to/path/game as basename. We might end up in a writable
* directory then and the name of srm and states are meaningful.
*
*/
path_basedir(global->name.base);
fill_pathname_dir(global->name.base, path, "", sizeof(global->name.base));
#endif
if ((dst = strrchr(global->name.base, '.')))
*dst = '\0';
}
static void set_special_paths(char **argv, unsigned num_content)
{
unsigned i;
union string_list_elem_attr attr;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
/* First content file is the significant one. */
set_basename(argv[0]);
global->subsystem_fullpaths = string_list_new();
retro_assert(global->subsystem_fullpaths);
attr.i = 0;
for (i = 0; i < num_content; i++)
string_list_append(global->subsystem_fullpaths, argv[i], attr);
/* We defer SRAM path updates until we can resolve it.
* It is more complicated for special content types. */
if (!global->has_set.state_path)
fill_pathname_noext(global->name.savestate, global->name.base,
".state", sizeof(global->name.savestate));
if (path_is_directory(global->name.savestate))
{
fill_pathname_dir(global->name.savestate, global->name.base,
".state", sizeof(global->name.savestate));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_SAVESTATE_TO),
global->name.savestate);
}
/* If this is already set,
* do not overwrite it as this was initialized before in
* a menu or otherwise. */
if (settings->system_directory[0] == '\0')
{
RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n",argv[0]);
/*fill_pathname_basedir(settings->system_directory, argv[0],
sizeof(settings->system_directory));*/
}
}
void set_paths_redirect(const char *path)
{
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
rarch_system_info_t *info = rarch_system_info_get_ptr();
uint32_t global_library_name_hash = ((global && info->info.library_name &&
(info->info.library_name[0] != '\0'))
? msg_hash_calculate(info->info.library_name) : 0);
/* Initialize current save directories with the values from the config */
strlcpy(current_savefile_dir,
global->dir.savefile,
sizeof(current_savefile_dir));
strlcpy(current_savestate_dir,
global->dir.savestate,
sizeof(current_savestate_dir));
if(global_library_name_hash != 0
#ifdef HAVE_MENU
&& (global_library_name_hash != MENU_VALUE_NO_CORE)
#endif
)
{
/* per-core saves: append the library_name to the save location */
if (settings->sort_savefiles_enable && global->dir.savefile[0] != '\0')
{
fill_pathname_join(
current_savefile_dir,
global->dir.savefile,
info->info.library_name,
sizeof(global->dir.savefile));
/* If path doesn't exist, try to create it,
* if everything fails revert to the original path. */
if(!path_is_directory(current_savefile_dir) && current_savefile_dir[0] != '\0')
{
path_mkdir(current_savefile_dir);
if(!path_is_directory(current_savefile_dir))
{
RARCH_LOG("Reverting savefile directory to %s\n", global->dir.savefile);
strlcpy(current_savefile_dir,
global->dir.savefile,
sizeof(current_savefile_dir));
}
}
}
/* per-core states: append the library_name to the save location */
if (settings->sort_savestates_enable && global->dir.savestate[0] != '\0')
{
fill_pathname_join(
current_savestate_dir,
global->dir.savestate,
info->info.library_name,
sizeof(global->dir.savestate));
/* If path doesn't exist, try to create it.
* If everything fails, revert to the original path. */
if(!path_is_directory(current_savestate_dir) && current_savestate_dir[0] != '\0')
{
path_mkdir(current_savestate_dir);
if(!path_is_directory(current_savestate_dir))
{
RARCH_LOG("Reverting savestate directory to %s\n", global->dir.savestate);
strlcpy(current_savestate_dir,
global->dir.savestate,
sizeof(current_savestate_dir));
}
}
}
}
if(path_is_directory(current_savefile_dir))
strlcpy(global->name.savefile, current_savefile_dir,
sizeof(global->name.savefile));
if(path_is_directory(current_savestate_dir))
strlcpy(global->name.savestate, current_savestate_dir,
sizeof(global->name.savestate));
if (path_is_directory(global->name.savefile))
{
fill_pathname_dir(global->name.savefile, global->name.base,
".srm", sizeof(global->name.savefile));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_SAVEFILE_TO),
global->name.savefile);
}
if (path_is_directory(global->name.savestate))
{
fill_pathname_dir(global->name.savestate, global->name.base,
".state", sizeof(global->name.savestate));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_SAVESTATE_TO),
global->name.savestate);
}
if (path_is_directory(global->name.cheatfile))
{
fill_pathname_dir(global->name.cheatfile, global->name.base,
".state", sizeof(global->name.cheatfile));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_CHEATFILE_TO),
global->name.cheatfile);
}
}
void rarch_set_paths(const char *path)
{
global_t *global = global_get_ptr();
set_basename(path);
if (!global->has_set.save_path)
fill_pathname_noext(global->name.savefile, global->name.base,
".srm", sizeof(global->name.savefile));
if (!global->has_set.state_path)
fill_pathname_noext(global->name.savestate, global->name.base,
".state", sizeof(global->name.savestate));
fill_pathname_noext(global->name.cheatfile, global->name.base,
".cht", sizeof(global->name.cheatfile));
set_paths_redirect(path);
}
enum rarch_content_type rarch_path_is_media_type(const char *path)
{
uint32_t hash_ext = msg_hash_calculate(path_get_extension(path));
switch (hash_ext)
{
#ifdef HAVE_FFMPEG
case MENU_VALUE_FILE_OGM:
case MENU_VALUE_FILE_MKV:
case MENU_VALUE_FILE_AVI:
case MENU_VALUE_FILE_MP4:
case MENU_VALUE_FILE_FLV:
case MENU_VALUE_FILE_WEBM:
case MENU_VALUE_FILE_3GP:
case MENU_VALUE_FILE_F4F:
case MENU_VALUE_FILE_F4V:
case MENU_VALUE_FILE_MOV:
case MENU_VALUE_FILE_WMV:
return RARCH_CONTENT_MOVIE;
case MENU_VALUE_FILE_MP3:
case MENU_VALUE_FILE_M4A:
case MENU_VALUE_FILE_OGG:
case MENU_VALUE_FILE_FLAC:
case MENU_VALUE_FILE_WAV:
return RARCH_CONTENT_MUSIC;
#endif
#ifdef HAVE_IMAGEVIEWER
case MENU_VALUE_FILE_JPG:
case MENU_VALUE_FILE_JPG_CAPS:
case MENU_VALUE_FILE_JPEG:
case MENU_VALUE_FILE_JPEG_CAPS:
case MENU_VALUE_FILE_PNG:
case MENU_VALUE_FILE_PNG_CAPS:
case MENU_VALUE_FILE_TGA:
case MENU_VALUE_FILE_BMP:
return RARCH_CONTENT_IMAGE;
#endif
case 0:
default:
break;
}
return RARCH_CONTENT_NONE;
}
#define FFMPEG_RECORD_ARG "r:"
#ifdef HAVE_DYNAMIC
#define DYNAMIC_ARG "L:"
#else
#define DYNAMIC_ARG
#endif
#ifdef HAVE_NETPLAY
#define NETPLAY_ARG "HC:F:"
#else
#define NETPLAY_ARG
#endif
#define BSV_MOVIE_ARG "P:R:M:"
/**
* parse_input:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Parses (commandline) arguments passed to program.
*
**/
static void parse_input(int argc, char *argv[])
{
const char *optstring = NULL;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "menu", 0, NULL, RA_OPT_MENU },
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "fullscreen", 0, NULL, 'f' },
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, NULL, RA_OPT_RECORDCONFIG },
{ "size", 1, NULL, RA_OPT_SIZE },
{ "verbose", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, NULL, RA_OPT_APPENDCONFIG },
{ "nodevice", 1, NULL, 'N' },
{ "dualanalog", 1, NULL, 'A' },
{ "device", 1, NULL, 'd' },
{ "savestate", 1, NULL, 'S' },
{ "bsvplay", 1, NULL, 'P' },
{ "bsvrecord", 1, NULL, 'R' },
{ "sram-mode", 1, NULL, 'M' },
#ifdef HAVE_NETPLAY
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, NULL, RA_OPT_PORT },
{ "spectate", 0, NULL, RA_OPT_SPECTATE },
#endif
{ "nick", 1, NULL, RA_OPT_NICK },
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
{ "command", 1, NULL, RA_OPT_COMMAND },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, NULL, RA_OPT_BPS },
{ "ips", 1, NULL, RA_OPT_IPS },
{ "no-patch", 0, NULL, RA_OPT_NO_PATCH },
{ "detach", 0, NULL, 'D' },
{ "features", 0, NULL, RA_OPT_FEATURES },
{ "subsystem", 1, NULL, RA_OPT_SUBSYSTEM },
{ "max-frames", 1, NULL, RA_OPT_MAX_FRAMES },
{ "eof-exit", 0, NULL, RA_OPT_EOF_EXIT },
{ "version", 0, NULL, RA_OPT_VERSION },
#ifdef HAVE_FILE_LOGGER
{ "log-file", 1, NULL, RA_OPT_LOG_FILE },
#endif
{ NULL, 0, NULL, 0 }
};
global->inited.core.no_content = false;
global->inited.core.type = CORE_TYPE_PLAIN;
*global->subsystem = '\0';
global->has_set.save_path = false;
global->has_set.state_path = false;
global->has_set.libretro = false;
global->has_set.libretro_directory = false;
global->has_set.verbosity = false;
global->has_set.netplay_mode = false;
global->has_set.username = false;
global->has_set.netplay_ip_address = false;
global->has_set.netplay_delay_frames = false;
global->has_set.netplay_ip_port = false;
global->has_set.ups_pref = false;
global->has_set.bps_pref = false;
global->has_set.ips_pref = false;
global->patch.ups_pref = false;
global->patch.bps_pref = false;
global->patch.ips_pref = false;
*global->name.ups = '\0';
*global->name.bps = '\0';
*global->name.ips = '\0';
global->overrides_active = false;
if (argc < 2)
{
global->inited.core.type = CORE_TYPE_DUMMY;
return;
}
/* Make sure we can call parse_input several times ... */
optind = 0;
optstring = "hs:fvS:A:c:U:DN:d:" BSV_MOVIE_ARG NETPLAY_ARG DYNAMIC_ARG FFMPEG_RECORD_ARG;
for (;;)
{
int port;
int c = getopt_long(argc, argv, optstring, opts, NULL);
if (c == -1)
break;
switch (c)
{
case 'h':
print_help(argv[0]);
exit(0);
case 'd':
{
unsigned id = 0;
struct string_list *list = string_split(optarg, ":");
port = 0;
if (list && list->size == 2)
{
port = strtol(list->elems[0].data, NULL, 0);
id = strtoul(list->elems[1].data, NULL, 0);
}
string_list_free(list);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect device to a valid port.\n");
print_help(argv[0]);
retro_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = id;
global->has_set.libretro_device[port - 1] = true;
break;
}
case 'A':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect dualanalog to a valid port.\n");
print_help(argv[0]);
retro_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = RETRO_DEVICE_ANALOG;
global->has_set.libretro_device[port - 1] = true;
break;
case 's':
strlcpy(global->name.savefile, optarg,
sizeof(global->name.savefile));
global->has_set.save_path = true;
break;
case 'f':
global->force_fullscreen = true;
break;
case 'S':
strlcpy(global->name.savestate, optarg,
sizeof(global->name.savestate));
global->has_set.state_path = true;
break;
case 'v':
{
bool *verbosity = retro_main_verbosity();
if (verbosity)
*verbosity = true;
global->has_set.verbosity = true;
}
break;
case 'N':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Disconnect device from a valid port.\n");
print_help(argv[0]);
retro_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = RETRO_DEVICE_NONE;
global->has_set.libretro_device[port - 1] = true;
break;
case 'c':
strlcpy(global->path.config, optarg,
sizeof(global->path.config));
break;
case 'r':
strlcpy(global->record.path, optarg,
sizeof(global->record.path));
{
bool *recording_enabled = recording_is_enabled();
if (recording_enabled)
*recording_enabled = true;
}
break;
#ifdef HAVE_DYNAMIC
case 'L':
if (path_is_directory(optarg))
{
*settings->libretro = '\0';
strlcpy(settings->libretro_directory, optarg,
sizeof(settings->libretro_directory));
global->has_set.libretro = true;
global->has_set.libretro_directory = true;
RARCH_WARN("Using old --libretro behavior. Setting libretro_directory to \"%s\" instead.\n", optarg);
}
else
{
rarch_main_ctl(RARCH_MAIN_CTL_SET_LIBRETRO_PATH, optarg);
global->has_set.libretro = true;
}
break;
#endif
case 'P':
case 'R':
strlcpy(global->bsv.movie_start_path, optarg,
sizeof(global->bsv.movie_start_path));
global->bsv.movie_start_playback = (c == 'P');
global->bsv.movie_start_recording = (c == 'R');
break;
case 'M':
if (!strcmp(optarg, "noload-nosave"))
{
global->sram.load_disable = true;
global->sram.save_disable = true;
}
else if (!strcmp(optarg, "noload-save"))
global->sram.load_disable = true;
else if (!strcmp(optarg, "load-nosave"))
global->sram.save_disable = true;
else if (strcmp(optarg, "load-save") != 0)
{
RARCH_ERR("Invalid argument in --sram-mode.\n");
print_help(argv[0]);
retro_fail(1, "parse_input()");
}
break;
#ifdef HAVE_NETPLAY
case 'H':
global->has_set.netplay_ip_address = true;
global->netplay.enable = true;
*global->netplay.server = '\0';
break;
case 'C':
global->has_set.netplay_ip_address = true;
global->netplay.enable = true;
strlcpy(global->netplay.server, optarg,
sizeof(global->netplay.server));
break;
case 'F':
global->netplay.sync_frames = strtol(optarg, NULL, 0);
global->has_set.netplay_delay_frames = true;
break;
#endif
case RA_OPT_BPS:
strlcpy(global->name.bps, optarg,
sizeof(global->name.bps));
global->patch.bps_pref = true;
global->has_set.bps_pref = true;
break;
case 'U':
strlcpy(global->name.ups, optarg,
sizeof(global->name.ups));
global->patch.ups_pref = true;
global->has_set.ups_pref = true;
break;
case RA_OPT_IPS:
strlcpy(global->name.ips, optarg,
sizeof(global->name.ips));
global->patch.ips_pref = true;
global->has_set.ips_pref = true;
break;
case RA_OPT_NO_PATCH:
global->patch.block_patch = true;
break;
case 'D':
#if defined(_WIN32) && !defined(_XBOX)
FreeConsole();
#endif
break;
case RA_OPT_MENU:
global->inited.core.type = CORE_TYPE_DUMMY;
break;
#ifdef HAVE_NETPLAY
case RA_OPT_PORT:
global->has_set.netplay_ip_port = true;
global->netplay.port = strtoul(optarg, NULL, 0);
break;
case RA_OPT_SPECTATE:
global->has_set.netplay_mode = true;
global->netplay.is_spectate = true;
break;
#endif
case RA_OPT_NICK:
global->has_set.username = true;
strlcpy(settings->username, optarg,
sizeof(settings->username));
break;
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
case RA_OPT_COMMAND:
if (network_cmd_send(optarg))
exit(0);
else
retro_fail(1, "network_cmd_send()");
break;
#endif
case RA_OPT_APPENDCONFIG:
strlcpy(global->path.append_config, optarg,
sizeof(global->path.append_config));
break;
case RA_OPT_SIZE:
{
if (sscanf(optarg, "%ux%u", &global->record.width,
&global->record.height) != 2)
{
RARCH_ERR("Wrong format for --size.\n");
print_help(argv[0]);
retro_fail(1, "parse_input()");
}
break;
}
case RA_OPT_RECORDCONFIG:
strlcpy(global->record.config, optarg,
sizeof(global->record.config));
break;
case RA_OPT_MAX_FRAMES:
{
unsigned max_frames = strtoul(optarg, NULL, 10);
rarch_main_ctl(RARCH_MAIN_CTL_SET_MAX_FRAMES, &max_frames);
}
break;
case RA_OPT_SUBSYSTEM:
strlcpy(global->subsystem, optarg, sizeof(global->subsystem));
break;
case RA_OPT_FEATURES:
print_features();
exit(0);
case RA_OPT_EOF_EXIT:
global->bsv.eof_exit = true;
break;
case RA_OPT_VERSION:
print_version();
exit(0);
#ifdef HAVE_FILE_LOGGER
case RA_OPT_LOG_FILE:
retro_main_log_file_init(optarg);
break;
#endif
case '?':
print_help(argv[0]);
retro_fail(1, "parse_input()");
default:
RARCH_ERR("Error parsing arguments.\n");
retro_fail(1, "parse_input()");
}
}
if (global->inited.core.type == CORE_TYPE_DUMMY)
{
if (optind < argc)
{
RARCH_ERR("--menu was used, but content file was passed as well.\n");
retro_fail(1, "parse_input()");
}
}
else if (!*global->subsystem && optind < argc)
rarch_set_paths(argv[optind]);
else if (*global->subsystem && optind < argc)
set_special_paths(argv + optind, argc - optind);
else
global->inited.core.no_content = true;
/* Copy SRM/state dirs used, so they can be reused on reentrancy. */
if (global->has_set.save_path &&
path_is_directory(global->name.savefile))
strlcpy(global->dir.savefile, global->name.savefile,
sizeof(global->dir.savefile));
if (global->has_set.state_path &&
path_is_directory(global->name.savestate))
strlcpy(global->dir.savestate, global->name.savestate,
sizeof(global->dir.savestate));
}
static void rarch_init_savefile_paths(void)
{
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
event_command(EVENT_CMD_SAVEFILES_DEINIT);
global->savefiles = string_list_new();
retro_assert(global->savefiles);
if (*global->subsystem)
{
/* For subsystems, we know exactly which RAM types are supported. */
unsigned i, j;
const struct retro_subsystem_info *info =
libretro_find_subsystem_info(
system->special,
system->num_special,
global->subsystem);
/* We'll handle this error gracefully later. */
unsigned num_content = min(info ? info->num_roms : 0,
global->subsystem_fullpaths ?
global->subsystem_fullpaths->size : 0);
bool use_sram_dir = path_is_directory(global->dir.savefile);
for (i = 0; i < num_content; i++)
{
for (j = 0; j < info->roms[i].num_memory; j++)
{
union string_list_elem_attr attr;
char path[PATH_MAX_LENGTH] = {0};
char ext[32] = {0};
const struct retro_subsystem_memory_info *mem =
(const struct retro_subsystem_memory_info*)
&info->roms[i].memory[j];
snprintf(ext, sizeof(ext), ".%s", mem->extension);
if (use_sram_dir)
{
/* Redirect content fullpath to save directory. */
strlcpy(path, global->dir.savefile, sizeof(path));
fill_pathname_dir(path,
global->subsystem_fullpaths->elems[i].data, ext,
sizeof(path));
}
else
{
fill_pathname(path, global->subsystem_fullpaths->elems[i].data,
ext, sizeof(path));
}
attr.i = mem->type;
string_list_append(global->savefiles, path, attr);
}
}
/* Let other relevant paths be inferred from the main SRAM location. */
if (!global->has_set.save_path)
fill_pathname_noext(global->name.savefile, global->name.base, ".srm",
sizeof(global->name.savefile));
if (path_is_directory(global->name.savefile))
{
fill_pathname_dir(global->name.savefile, global->name.base, ".srm",
sizeof(global->name.savefile));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_SAVEFILE_TO),
global->name.savefile);
}
}
else
{
union string_list_elem_attr attr;
char savefile_name_rtc[PATH_MAX_LENGTH] = {0};
attr.i = RETRO_MEMORY_SAVE_RAM;
string_list_append(global->savefiles, global->name.savefile, attr);
/* Infer .rtc save path from save ram path. */
attr.i = RETRO_MEMORY_RTC;
fill_pathname(savefile_name_rtc,
global->name.savefile, ".rtc", sizeof(savefile_name_rtc));
string_list_append(global->savefiles, savefile_name_rtc, attr);
}
}
static bool init_state(void)
{
driver_t *driver = driver_get_ptr();
if (!driver)
return false;
driver->video_active = true;
driver->audio_active = true;
return true;
}
static void main_clear_state_drivers(void)
{
global_t *global = global_get_ptr();
bool inited = false;
if (!global)
return;
inited = global->inited.main;
if (!inited)
return;
event_command(EVENT_CMD_DRIVERS_DEINIT);
event_command(EVENT_CMD_DRIVERS_INIT);
}
static void main_init_state_config(void)
{
unsigned i;
settings_t *settings = config_get_ptr();
if (!settings)
return;
for (i = 0; i < MAX_USERS; i++)
settings->input.libretro_device[i] = RETRO_DEVICE_JOYPAD;
}
void rarch_main_alloc(void)
{
settings_t *settings = config_get_ptr();
if (settings)
config_free();
settings = config_init();
if (!settings)
return;
event_command(EVENT_CMD_HISTORY_DEINIT);
rarch_main_ctl(RARCH_MAIN_CTL_CLEAR_STATE, NULL);
rarch_main_data_clear_state();
}
/**
* rarch_main_new:
*
* Will teardown drivers and clears all
* internal state of the program.
* If @inited is true, will initialize all
* drivers again after teardown.
**/
void rarch_main_new(void)
{
main_clear_state_drivers();
init_state();
main_init_state_config();
event_command(EVENT_CMD_MSG_QUEUE_INIT);
}
void rarch_main_free(void)
{
event_command(EVENT_CMD_MSG_QUEUE_DEINIT);
event_command(EVENT_CMD_DRIVERS_DEINIT);
event_command(EVENT_CMD_LOG_FILE_DEINIT);
rarch_main_ctl(RARCH_MAIN_CTL_STATE_FREE, NULL);
rarch_main_ctl(RARCH_MAIN_CTL_GLOBAL_FREE, NULL);
config_free();
}
/**
* rarch_init_system_av_info:
*
* Initialize system A/V information by calling the libretro core's
* get_system_av_info function.
**/
void rarch_init_system_av_info(void)
{
struct retro_system_av_info *av_info = video_viewport_get_system_av_info();
core.retro_get_system_av_info(av_info);
event_command(EVENT_CMD_SET_FRAME_LIMIT);
}
/**
* rarch_main_init:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Initializes the program.
*
* Returns: 0 on success, otherwise 1 if there was an error.
**/
int rarch_main_init(int argc, char *argv[])
{
int sjlj_ret;
bool *verbosity = NULL;
global_t *global = global_get_ptr();
init_state();
if ((sjlj_ret = setjmp(global->error_sjlj_context)) > 0)
{
RARCH_ERR("Fatal error received in: \"%s\"\n", global->error_string);
return sjlj_ret;
}
global->inited.error = true;
retro_main_log_file_init(NULL);
parse_input(argc, argv);
verbosity = retro_main_verbosity();
if (verbosity && *verbosity)
{
char str[PATH_MAX_LENGTH] = {0};
RARCH_LOG_OUTPUT("=== Build =======================================");
rarch_info_get_capabilities(RARCH_CAPABILITIES_CPU, str, sizeof(str));
fprintf(stderr, "%s", str);
fprintf(stderr, "Built: %s\n", __DATE__);
RARCH_LOG_OUTPUT("Version: %s\n", PACKAGE_VERSION);
#ifdef HAVE_GIT_VERSION
RARCH_LOG_OUTPUT("Git: %s\n", rarch_git_version);
#endif
RARCH_LOG_OUTPUT("=================================================\n");
}
rarch_ctl(RARCH_ACTION_STATE_VALIDATE_CPU_FEATURES, NULL);
config_load();
{
settings_t *settings = config_get_ptr();
if (settings && (settings->multimedia.builtin_mediaplayer_enable ||
settings->multimedia.builtin_imageviewer_enable))
{
char *fullpath = NULL;
rarch_main_ctl(RARCH_MAIN_CTL_GET_CONTENT_PATH, &fullpath);
switch (rarch_path_is_media_type(fullpath))
{
case RARCH_CONTENT_MOVIE:
case RARCH_CONTENT_MUSIC:
if (settings->multimedia.builtin_mediaplayer_enable)
{
#ifdef HAVE_FFMPEG
global->has_set.libretro = false;
global->inited.core.type = CORE_TYPE_FFMPEG;
#endif
}
break;
#ifdef HAVE_IMAGEVIEWER
case RARCH_CONTENT_IMAGE:
if (settings->multimedia.builtin_imageviewer_enable)
{
global->has_set.libretro = false;
global->inited.core.type = CORE_TYPE_IMAGEVIEWER;
}
break;
#endif
default:
break;
}
}
}
init_libretro_sym(global->inited.core.type);
rarch_system_info_init();
init_drivers_pre();
if (!event_command(EVENT_CMD_CORE_INIT))
goto error;
event_command(EVENT_CMD_DRIVERS_INIT);
event_command(EVENT_CMD_COMMAND_INIT);
event_command(EVENT_CMD_REWIND_INIT);
event_command(EVENT_CMD_CONTROLLERS_INIT);
event_command(EVENT_CMD_RECORD_INIT);
event_command(EVENT_CMD_CHEATS_INIT);
event_command(EVENT_CMD_REMAPPING_INIT);
event_command(EVENT_CMD_SAVEFILES_INIT);
event_command(EVENT_CMD_SET_PER_GAME_RESOLUTION);
global->inited.error = false;
global->inited.main = true;
return 0;
error:
event_command(EVENT_CMD_CORE_DEINIT);
global->inited.main = false;
return 1;
}
/**
* rarch_main_init_wrap:
* @args : Input arguments.
* @argc : Count of arguments.
* @argv : Arguments.
*
* Generates an @argc and @argv pair based on @args
* of type rarch_main_wrap.
**/
void rarch_main_init_wrap(const struct rarch_main_wrap *args,
int *argc, char **argv)
{
#ifdef HAVE_FILE_LOGGER
int i;
#endif
*argc = 0;
argv[(*argc)++] = strdup("retroarch");
if (!args->no_content)
{
if (args->content_path)
{
RARCH_LOG("Using content: %s.\n", args->content_path);
argv[(*argc)++] = strdup(args->content_path);
}
else
{
#ifdef HAVE_MENU
RARCH_LOG("No content, starting dummy core.\n");
argv[(*argc)++] = strdup("--menu");
#endif
}
}
if (args->sram_path)
{
argv[(*argc)++] = strdup("-s");
argv[(*argc)++] = strdup(args->sram_path);
}
if (args->state_path)
{
argv[(*argc)++] = strdup("-S");
argv[(*argc)++] = strdup(args->state_path);
}
if (args->config_path)
{
argv[(*argc)++] = strdup("-c");
argv[(*argc)++] = strdup(args->config_path);
}
#ifdef HAVE_DYNAMIC
if (args->libretro_path)
{
argv[(*argc)++] = strdup("-L");
argv[(*argc)++] = strdup(args->libretro_path);
}
#endif
if (args->verbose)
argv[(*argc)++] = strdup("-v");
#ifdef HAVE_FILE_LOGGER
for (i = 0; i < *argc; i++)
RARCH_LOG("arg #%d: %s\n", i, argv[i]);
#endif
}
#define FAIL_CPU(simd_type) do { \
RARCH_ERR(simd_type " code is compiled in, but CPU does not support this feature. Cannot continue.\n"); \
retro_fail(1, "validate_cpu_features()"); \
} while(0)
bool rarch_ctl(enum rarch_ctl_state state, void *data)
{
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
switch(state)
{
case RARCH_ACTION_STATE_REPLACE_CONFIG:
{
char *path = (char*)data;
if (!path)
return false;
/* If config file to be replaced is the same as the
* current config file, exit. */
if (!strcmp(path, global->path.config))
return false;
if (settings->config_save_on_exit && *global->path.config)
config_save_file(global->path.config);
strlcpy(global->path.config, path, sizeof(global->path.config));
global->block_config_read = false;
*settings->libretro = '\0'; /* Load core in new config. */
}
event_command(EVENT_CMD_PREPARE_DUMMY);
return true;
case RARCH_ACTION_STATE_MENU_RUNNING:
#ifdef HAVE_MENU
menu_driver_toggle(true);
#endif
#ifdef HAVE_OVERLAY
if (settings->input.overlay_hide_in_menu)
event_command(EVENT_CMD_OVERLAY_DEINIT);
#endif
break;
case RARCH_ACTION_STATE_LOAD_CONTENT:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content(CORE_TYPE_PLAIN))
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING, NULL);
#endif
if (driver->frontend_ctx && driver->frontend_ctx->content_loaded)
driver->frontend_ctx->content_loaded();
break;
#ifdef HAVE_FFMPEG
case RARCH_ACTION_STATE_LOAD_CONTENT_FFMPEG:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content(CORE_TYPE_FFMPEG))
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING, NULL);
#endif
if (driver->frontend_ctx && driver->frontend_ctx->content_loaded)
driver->frontend_ctx->content_loaded();
break;
#endif
case RARCH_ACTION_STATE_LOAD_CONTENT_IMAGEVIEWER:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content(CORE_TYPE_IMAGEVIEWER))
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING, NULL);
#endif
if (driver->frontend_ctx && driver->frontend_ctx->content_loaded)
driver->frontend_ctx->content_loaded();
break;
case RARCH_ACTION_STATE_MENU_RUNNING_FINISHED:
#ifdef HAVE_MENU
menu_driver_toggle(false);
#endif
video_driver_set_texture_enable(false, false);
#ifdef HAVE_OVERLAY
if (settings && settings->input.overlay_hide_in_menu)
event_command(EVENT_CMD_OVERLAY_INIT);
#endif
break;
case RARCH_ACTION_STATE_QUIT:
if (global)
system->shutdown = true;
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED, NULL);
break;
case RARCH_ACTION_STATE_FORCE_QUIT:
rarch_ctl(RARCH_ACTION_STATE_QUIT, NULL);
break;
case RARCH_ACTION_STATE_VALIDATE_CPU_FEATURES:
{
uint64_t cpu = retro_get_cpu_features();
(void)cpu;
#ifdef __SSE__
if (!(cpu & RETRO_SIMD_SSE))
FAIL_CPU("SSE");
#endif
#ifdef __SSE2__
if (!(cpu & RETRO_SIMD_SSE2))
FAIL_CPU("SSE2");
#endif
#ifdef __AVX__
if (!(cpu & RETRO_SIMD_AVX))
FAIL_CPU("AVX");
#endif
}
break;
case RARCH_ACTION_STATE_VERIFY_API_VERSION:
RARCH_LOG("Version of libretro API: %u\n", core.retro_api_version());
RARCH_LOG("Compiled against API: %u\n", RETRO_API_VERSION);
if (core.retro_api_version() != RETRO_API_VERSION)
RARCH_WARN("%s\n", msg_hash_to_str(MSG_LIBRETRO_ABI_BREAK));
break;
case RARCH_ACTION_STATE_FILL_PATHNAMES:
rarch_init_savefile_paths();
strlcpy(global->bsv.movie_path, global->name.savefile,
sizeof(global->bsv.movie_path));
if (!*global->name.base)
return false;
if (!*global->name.ups)
fill_pathname_noext(global->name.ups, global->name.base, ".ups",
sizeof(global->name.ups));
if (!*global->name.bps)
fill_pathname_noext(global->name.bps, global->name.base, ".bps",
sizeof(global->name.bps));
if (!*global->name.ips)
fill_pathname_noext(global->name.ips, global->name.base, ".ips",
sizeof(global->name.ips));
break;
case RARCH_ACTION_STATE_NONE:
default:
return false;
}
return true;
}
/**
* rarch_main_deinit:
*
* Deinitializes the program.
**/
void rarch_main_deinit(void)
{
global_t *global = global_get_ptr();
event_command(EVENT_CMD_NETPLAY_DEINIT);
event_command(EVENT_CMD_COMMAND_DEINIT);
if (global->sram.use)
event_command(EVENT_CMD_AUTOSAVE_DEINIT);
event_command(EVENT_CMD_RECORD_DEINIT);
event_command(EVENT_CMD_SAVEFILES);
event_command(EVENT_CMD_REWIND_DEINIT);
event_command(EVENT_CMD_CHEATS_DEINIT);
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
event_command(EVENT_CMD_AUTOSAVE_STATE);
event_command(EVENT_CMD_CORE_DEINIT);
event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
event_command(EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
event_command(EVENT_CMD_SAVEFILES_DEINIT);
global->inited.main = false;
}
/**
* rarch_playlist_load_content:
* @playlist : Playlist handle.
* @idx : Index in playlist.
*
* Initializes core and loads content based on playlist entry.
**/
void rarch_playlist_load_content(void *data, unsigned idx)
{
unsigned i;
const char *core_path = NULL;
const char *path = NULL;
content_playlist_t *playlist = (content_playlist_t*)data;
#ifdef HAVE_MENU
menu_handle_t *menu = menu_driver_get_ptr();
#endif
if (!playlist)
return;
content_playlist_get_index(playlist,
idx, &path, NULL, &core_path, NULL, NULL, NULL);
if (path && path[0] != '\0')
{
RFILE *fp = NULL;
char *path_check = NULL;
char *path_tolower = strdup(path);
for (i = 0; i < strlen(path_tolower); ++i)
path_tolower[i] = tolower(path_tolower[i]);
if (strstr(path_tolower, ".zip"))
strstr(path_tolower, ".zip")[4] = '\0';
else if (strstr(path_tolower, ".7z"))
strstr(path_tolower, ".7z")[3] = '\0';
path_check = (char *)calloc(strlen(path_tolower) + 1, sizeof(char));
strncpy(path_check, path, strlen(path_tolower));
fp = retro_fopen(path_check, RFILE_MODE_READ, -1);
if (!fp)
{
rarch_main_msg_queue_push("File could not be loaded.\n", 1, 100, true);
RARCH_LOG("File at %s failed to load.\n", path_check);
free(path_tolower);
free(path_check);
return;
}
retro_fclose(fp);
free(path_tolower);
free(path_check);
}
rarch_main_ctl(RARCH_MAIN_CTL_SET_LIBRETRO_PATH, (void*)core_path);
#ifdef HAVE_MENU
if (menu)
menu->load_no_content = (path) ? false : true;
#endif
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC, (void*)path);
event_command(EVENT_CMD_LOAD_CORE);
}
/**
* rarch_defer_core:
* @core_info : Core info list handle.
* @dir : Directory. Gets joined with @path.
* @path : Path. Gets joined with @dir.
* @menu_label : Label identifier of menu setting.
* @s : Deferred core path. Will be filled in
* by function.
* @len : Size of @s.
*
* Gets deferred core.
*
* Returns: 0 if there are multiple deferred cores and a
* selection needs to be made from a list, otherwise
* returns -1 and fills in @s with path to core.
**/
int rarch_defer_core(core_info_list_t *core_info, const char *dir,
const char *path, const char *menu_label,
char *s, size_t len)
{
char new_core_path[PATH_MAX_LENGTH] = {0};
const core_info_t *info = NULL;
size_t supported = 0;
global_t *global = global_get_ptr();
#ifdef HAVE_MENU
uint32_t menu_label_hash = msg_hash_calculate(menu_label);
#endif
fill_pathname_join(s, dir, path, len);
#ifdef HAVE_COMPRESSION
if (path_is_compressed_file(dir))
{
/* In case of a compressed archive, we have to join with a hash */
/* We are going to write at the position of dir: */
retro_assert(strlen(dir) < strlen(s));
s[strlen(dir)] = '#';
}
#endif
if (core_info)
core_info_list_get_supported_cores(core_info, s, &info,
&supported);
#ifdef HAVE_MENU
if (menu_label_hash == MENU_LABEL_LOAD_CONTENT)
{
info = (const core_info_t*)&global->core_info.current;
if (info)
{
strlcpy(new_core_path, info->path, sizeof(new_core_path));
supported = 1;
}
}
else
#endif
strlcpy(new_core_path, info->path, sizeof(new_core_path));
/* There are multiple deferred cores and a
* selection needs to be made from a list, return 0. */
if (supported != 1)
return 0;
rarch_main_ctl(RARCH_MAIN_CTL_SET_CONTENT_PATH, s);
if (path_file_exists(new_core_path))
rarch_main_ctl(RARCH_MAIN_CTL_SET_LIBRETRO_PATH, new_core_path);
return -1;
}
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