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 bool init_content_file_set_attribs(
struct string_list *temporary_content,
struct string_list *content,
const struct retro_subsystem_info *special)
{
union string_list_elem_attr attr;
struct string_list *subsystem = path_get_subsystem_list();
attr.i = 0;
if (!path_is_empty(RARCH_PATH_SUBSYSTEM) && special)
{
unsigned i;
for (i = 0; i < subsystem->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, subsystem->elems[i].data, attr);
}
}
else
{
rarch_system_info_t *system = NULL;
settings_t *settings = config_get_ptr();
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
if (system)
{
attr.i = system->info.block_extract;
attr.i |= system->info.need_fullpath << 1;
}
attr.i |= (!content_does_not_need_content()) << 2;
if (path_is_empty(RARCH_PATH_CONTENT)
&& content_does_not_need_content()
&& settings->set_supports_no_game_enable)
string_list_append(content, "", attr);
else
{
if (!path_is_empty(RARCH_PATH_CONTENT))
string_list_append(content, path_get(RARCH_PATH_CONTENT), attr);
}
}
#ifdef HAVE_COMPRESSION
/* Try to extract all content we're going to load if appropriate. */
init_content_file_extract(temporary_content,
content, special, &attr);
#endif
return true;
}
static bool content_file_init_set_attribs(
struct string_list *content,
const struct retro_subsystem_info *special,
content_information_ctx_t *content_ctx,
char **error_string)
{
union string_list_elem_attr attr;
struct string_list *subsystem = path_get_subsystem_list();
attr.i = 0;
if (!path_is_empty(RARCH_PATH_SUBSYSTEM) && special)
{
unsigned i;
for (i = 0; i < subsystem->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, subsystem->elems[i].data, attr);
}
}
else
{
attr.i = content_ctx->block_extract;
attr.i |= content_ctx->need_fullpath << 1;
attr.i |= (!content_does_not_need_content()) << 2;
if (path_is_empty(RARCH_PATH_CONTENT)
&& content_does_not_need_content()
&& content_ctx->set_supports_no_game_enable)
string_list_append(content, "", attr);
else
{
if (!path_is_empty(RARCH_PATH_CONTENT))
string_list_append(content, path_get(RARCH_PATH_CONTENT), attr);
}
}
#ifdef HAVE_COMPRESSION
/* Try to extract all content we're going to load if appropriate. */
content_file_init_extract(content, content_ctx, special, &attr, error_string);
#endif
return true;
}
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;
}
