static const struct retro_subsystem_info *init_content_file_subsystem(bool *ret)
{
const struct retro_subsystem_info *special = NULL;
rarch_system_info_t *system = NULL;
struct string_list *subsystem = path_get_subsystem_list();
if (path_is_empty(RARCH_PATH_SUBSYSTEM))
{
*ret = true;
return NULL;
}
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
if (system)
special =
libretro_find_subsystem_info(system->subsystem.data,
system->subsystem.size, path_get(RARCH_PATH_SUBSYSTEM));
if (!special)
{
RARCH_ERR(
"Failed to find subsystem \"%s\" in libretro implementation.\n",
path_get(RARCH_PATH_SUBSYSTEM));
goto error;
}
if (special->num_roms && !subsystem)
{
RARCH_ERR("%s\n",
msg_hash_to_str(MSG_ERROR_LIBRETRO_CORE_REQUIRES_SPECIAL_CONTENT));
goto error;
}
else if (special->num_roms && (special->num_roms != subsystem->size))
{
RARCH_ERR("Libretro core requires %u content files for "
"subsystem \"%s\", but %u content files were provided.\n",
special->num_roms, special->desc,
(unsigned)subsystem->size);
goto error;
}
else if (!special->num_roms && subsystem && subsystem->size)
{
RARCH_ERR("Libretro core takes no content for subsystem \"%s\", "
"but %u content files were provided.\n",
special->desc,
(unsigned)subsystem->size);
goto error;
}
*ret = true;
return special;
error:
*ret = false;
return NULL;
}
static const struct retro_subsystem_info *init_content_file_subsystem(
bool *ret, rarch_system_info_t *system)
{
global_t *global = global_get_ptr();
const struct retro_subsystem_info *special =
libretro_find_subsystem_info(system->special,
system->num_special, global->subsystem);
if (!special)
{
RARCH_ERR(
"Failed to find subsystem \"%s\" in libretro implementation.\n",
global->subsystem);
goto error;
}
if (special->num_roms && !global->subsystem_fullpaths)
{
RARCH_ERR("libretro core requires special content, "
"but none were provided.\n");
goto error;
}
else if (special->num_roms && special->num_roms
!= global->subsystem_fullpaths->size)
{
RARCH_ERR("libretro core requires %u content files for "
"subsystem \"%s\", but %u content files were provided.\n",
special->num_roms, special->desc,
(unsigned)global->subsystem_fullpaths->size);
goto error;
}
else if (!special->num_roms && global->subsystem_fullpaths
&& global->subsystem_fullpaths->size)
{
RARCH_ERR("libretro core takes no content for subsystem \"%s\", "
"but %u content files were provided.\n",
special->desc,
(unsigned)global->subsystem_fullpaths->size);
goto error;
}
*ret = true;
return special;
error:
*ret = false;
return NULL;
}
bool init_content_file(void)
{
unsigned i;
g_extern.temporary_content = string_list_new();
if (!g_extern.temporary_content)
return false;
const struct retro_subsystem_info *special = NULL;
if (*g_extern.subsystem)
{
special = libretro_find_subsystem_info(g_extern.system.special,
g_extern.system.num_special, g_extern.subsystem);
if (!special)
{
RARCH_ERR(
"Failed to find subsystem \"%s\" in libretro implementation.\n",
g_extern.subsystem);
return false;
}
if (special->num_roms && !g_extern.subsystem_fullpaths)
{
RARCH_ERR("libretro core requires special content, but none were provided.\n");
return false;
}
else if (special->num_roms && special->num_roms
!= g_extern.subsystem_fullpaths->size)
{
RARCH_ERR("libretro core requires %u content files for subsystem \"%s\", but %u content files were provided.\n",
special->num_roms, special->desc,
(unsigned)g_extern.subsystem_fullpaths->size);
return false;
}
else if (!special->num_roms && g_extern.subsystem_fullpaths
&& g_extern.subsystem_fullpaths->size)
{
RARCH_ERR("libretro core takes no content for subsystem \"%s\", but %u content files were provided.\n",
special->desc,
(unsigned)g_extern.subsystem_fullpaths->size);
return false;
}
}
union string_list_elem_attr attr;
attr.i = 0;
struct string_list *content = (struct string_list*)string_list_new();
if (!content)
return false;
if (*g_extern.subsystem)
{
for (i = 0; i < g_extern.subsystem_fullpaths->size; i++)
{
attr.i = special->roms[i].block_extract;
attr.i |= special->roms[i].need_fullpath << 1;
attr.i |= special->roms[i].required << 2;
string_list_append(content,
g_extern.subsystem_fullpaths->elems[i].data, attr);
}
}
else
{
attr.i = g_extern.system.info.block_extract;
attr.i |= g_extern.system.info.need_fullpath << 1;
attr.i |= (!g_extern.system.no_content) << 2;
string_list_append(content,
g_extern.libretro_no_content ? "" : g_extern.fullpath, attr);
}
#ifdef HAVE_ZLIB
/* Try to extract all content we're going to load if appropriate. */
for (i = 0; i < content->size; i++)
{
/* Block extract check. */
if (content->elems[i].attr.i & 1)
continue;
const char *ext = path_get_extension(content->elems[i].data);
const char *valid_ext = special ?
special->roms[i].valid_extensions :
g_extern.system.info.valid_extensions;
if (ext && !strcasecmp(ext, "zip"))
{
char temporary_content[PATH_MAX];
strlcpy(temporary_content, content->elems[i].data,
sizeof(temporary_content));
if (!zlib_extract_first_content_file(temporary_content,
sizeof(temporary_content), valid_ext,
*g_settings.extraction_directory ?
g_settings.extraction_directory : NULL))
{
RARCH_ERR("Failed to extract content from zipped file: %s.\n",
temporary_content);
string_list_free(content);
return false;
}
string_list_set(content, i, temporary_content);
string_list_append(g_extern.temporary_content,
temporary_content, attr);
}
}
#endif
/* Set attr to need_fullpath as appropriate. */
bool ret = load_content(special, content);
string_list_free(content);
return ret;
}
static void rarch_init_savefile_paths(void)
{
global_t *global = global_get_ptr();
event_command(EVENT_CMD_SAVEFILES_DEINIT);
global->savefiles = string_list_new();
rarch_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(
global->system.special, global->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->savefile_dir);
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], ext[32];
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->savefile_dir, 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->savefile_name, global->basename, ".srm",
sizeof(global->savefile_name));
if (path_is_directory(global->savefile_name))
{
fill_pathname_dir(global->savefile_name, global->basename, ".srm",
sizeof(global->savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n",
global->savefile_name);
}
}
else
{
char savefile_name_rtc[PATH_MAX_LENGTH];
union string_list_elem_attr attr;
attr.i = RETRO_MEMORY_SAVE_RAM;
string_list_append(global->savefiles, global->savefile_name, attr);
/* Infer .rtc save path from save ram path. */
attr.i = RETRO_MEMORY_RTC;
fill_pathname(savefile_name_rtc,
global->savefile_name, ".rtc", sizeof(savefile_name_rtc));
string_list_append(global->savefiles, savefile_name_rtc, attr);
}
}
/**
* init_content_file:
*
* Initializes and loads a content file for the currently
* selected libretro core.
*
* global->content_is_init will be set to the return value
* on exit.
*
* Returns : true if successful, otherwise false.
**/
bool init_content_file(void)
{
unsigned i;
union string_list_elem_attr attr;
bool ret = false;
struct string_list *content = NULL;
const struct retro_subsystem_info *special = NULL;
settings_t *settings = config_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
global_t *global = global_get_ptr();
global->temporary_content = string_list_new();
if (!global->temporary_content)
goto error;
if (*global->subsystem)
{
special = libretro_find_subsystem_info(system->special,
system->num_special, global->subsystem);
if (!special)
{
RARCH_ERR(
"Failed to find subsystem \"%s\" in libretro implementation.\n",
global->subsystem);
goto error;
}
if (special->num_roms && !global->subsystem_fullpaths)
{
RARCH_ERR("libretro core requires special content, but none were provided.\n");
goto error;
}
else if (special->num_roms && special->num_roms
!= global->subsystem_fullpaths->size)
{
RARCH_ERR("libretro core requires %u content files for subsystem \"%s\", but %u content files were provided.\n",
special->num_roms, special->desc,
(unsigned)global->subsystem_fullpaths->size);
goto error;
}
else if (!special->num_roms && global->subsystem_fullpaths
&& global->subsystem_fullpaths->size)
{
RARCH_ERR("libretro core takes no content for subsystem \"%s\", but %u content files were provided.\n",
special->desc,
(unsigned)global->subsystem_fullpaths->size);
goto error;
}
}
content = string_list_new();
attr.i = 0;
if (!content)
goto error;
if (*global->subsystem)
{
for (i = 0; i < global->subsystem_fullpaths->size; i++)
{
attr.i = special->roms[i].block_extract;
attr.i |= special->roms[i].need_fullpath << 1;
attr.i |= special->roms[i].required << 2;
string_list_append(content,
global->subsystem_fullpaths->elems[i].data, attr);
}
}
else
{
attr.i = system->info.block_extract;
attr.i |= system->info.need_fullpath << 1;
attr.i |= (!system->no_content) << 2;
string_list_append(content,
(global->inited.core.no_content && settings->core.set_supports_no_game_enable) ? "" : global->path.fullpath, attr);
}
#ifdef HAVE_ZLIB
/* Try to extract all content we're going to load if appropriate. */
for (i = 0; i < content->size; i++)
{
const char *ext = NULL;
const char *valid_ext = NULL;
/* Block extract check. */
if (content->elems[i].attr.i & 1)
continue;
ext = path_get_extension(content->elems[i].data);
valid_ext = special ? special->roms[i].valid_extensions :
system->info.valid_extensions;
if (ext && !strcasecmp(ext, "zip"))
{
char temporary_content[PATH_MAX_LENGTH] = {0};
strlcpy(temporary_content, content->elems[i].data,
sizeof(temporary_content));
if (!zlib_extract_first_content_file(temporary_content,
sizeof(temporary_content), valid_ext,
*settings->extraction_directory ?
settings->extraction_directory : NULL))
{
RARCH_ERR("Failed to extract content from zipped file: %s.\n",
temporary_content);
goto error;
}
string_list_set(content, i, temporary_content);
string_list_append(global->temporary_content,
temporary_content, attr);
}
}
#endif
/* Set attr to need_fullpath as appropriate. */
ret = load_content(special, content);
error:
global->inited.content = (ret) ? true : false;
if (content)
string_list_free(content);
return ret;
}
static const struct retro_subsystem_info *content_file_init_subsystem(
content_information_ctx_t *content_ctx,
char **error_string,
bool *ret)
{
char msg[1024];
struct string_list *subsystem = path_get_subsystem_list();
const struct retro_subsystem_info *special = libretro_find_subsystem_info(
content_ctx->subsystem.data, content_ctx->subsystem.size,
path_get(RARCH_PATH_SUBSYSTEM));
msg[0] = '\0';
if (!special)
{
snprintf(msg, sizeof(msg),
"Failed to find subsystem \"%s\" in libretro implementation.\n",
path_get(RARCH_PATH_SUBSYSTEM));
if (error_string)
free(error_string);
*error_string = strdup(msg);
goto error;
}
if (special->num_roms && !subsystem)
{
snprintf(msg, sizeof(msg),
"%s\n",
msg_hash_to_str(MSG_ERROR_LIBRETRO_CORE_REQUIRES_SPECIAL_CONTENT));
if (error_string)
free(error_string);
*error_string = strdup(msg);
goto error;
}
else if (special->num_roms && (special->num_roms != subsystem->size))
{
snprintf(msg, sizeof(msg),
"Libretro core requires %u content files for "
"subsystem \"%s\", but %u content files were provided.\n",
special->num_roms, special->desc,
(unsigned)subsystem->size);
if (error_string)
free(error_string);
*error_string = strdup(msg);
goto error;
}
else if (!special->num_roms && subsystem && subsystem->size)
{
snprintf(msg, sizeof(msg),
"Libretro core takes no content for subsystem \"%s\", "
"but %u content files were provided.\n",
special->desc,
(unsigned)subsystem->size);
if (error_string)
free(error_string);
*error_string = strdup(msg);
goto error;
}
*ret = true;
return special;
error:
*ret = false;
return NULL;
}
static bool path_init_subsystem(void)
{
unsigned i, j;
const struct retro_subsystem_info *info = NULL;
rarch_system_info_t *system = NULL;
global_t *global = global_get_ptr();
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
if (!system)
return false;
if (path_is_empty(RARCH_PATH_SUBSYSTEM))
return false;
/* For subsystems, we know exactly which RAM types are supported. */
info = libretro_find_subsystem_info(
system->subsystem.data,
system->subsystem.size,
path_get(RARCH_PATH_SUBSYSTEM));
/* We'll handle this error gracefully later. */
if (info)
{
unsigned num_content = MIN(info->num_roms,
path_is_empty(RARCH_PATH_SUBSYSTEM) ?
0 : subsystem_fullpaths->size);
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];
char ext[32];
const struct retro_subsystem_memory_info *mem =
(const struct retro_subsystem_memory_info*)
&info->roms[i].memory[j];
path[0] = ext[0] = '\0';
snprintf(ext, sizeof(ext), ".%s", mem->extension);
if (path_is_directory(dir_get(RARCH_DIR_SAVEFILE)))
{
/* Use SRAM dir */
/* Redirect content fullpath to save directory. */
strlcpy(path, dir_get(RARCH_DIR_SAVEFILE), sizeof(path));
fill_pathname_dir(path,
subsystem_fullpaths->elems[i].data, ext,
sizeof(path));
}
else
{
fill_pathname(path, subsystem_fullpaths->elems[i].data,
ext, sizeof(path));
}
attr.i = mem->type;
string_list_append((struct string_list*)savefile_ptr_get(), path, attr);
}
}
}
if (global)
{
/* Let other relevant paths be inferred from the main SRAM location. */
if (!retroarch_override_setting_is_set(RARCH_OVERRIDE_SETTING_SAVE_PATH, NULL))
fill_pathname_noext(global->name.savefile,
path_main_basename,
file_path_str(FILE_PATH_SRM_EXTENSION),
sizeof(global->name.savefile));
if (path_is_directory(global->name.savefile))
{
fill_pathname_dir(global->name.savefile,
path_main_basename,
file_path_str(FILE_PATH_SRM_EXTENSION),
sizeof(global->name.savefile));
RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_REDIRECTING_SAVEFILE_TO),
global->name.savefile);
}
}
return true;
}
