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;
}
/**
* 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;
}
