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dynamic.c - cleanup

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This commit is contained in:
twinaphex 2016-09-17 01:45:24 +02:00
parent dbbdc56df9
commit 7b26c43adc
1 changed files with 78 additions and 81 deletions
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159
dynamic.c
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@ -168,6 +168,84 @@ static bool environ_cb_get_system_info(unsigned cmd, void *data)
}
#ifdef HAVE_DYNAMIC
/**
* libretro_get_environment_info:
* @func : Function pointer for get_environment_info.
* @load_no_content : If true, core should be able to auto-start
* without any content loaded.
*
* Sets environment callback in order to get statically known
* information from it.
*
* Fetched via environment callbacks instead of
* retro_get_system_info(), as this info is part of extensions.
*
* Should only be called once right after core load to
* avoid overwriting the "real" environ callback.
*
* For statically linked cores, pass retro_set_environment as argument.
*/
void libretro_get_environment_info(void (*func)(retro_environment_t),
bool *load_no_content)
{
load_no_content_hook = load_no_content;
/* load_no_content gets set in this callback. */
func(environ_cb_get_system_info);
/* It's possible that we just set get_system_info callback
* to the currently running core.
*
* Make sure we reset it to the actual environment callback.
* Ignore any environment callbacks here in case we're running
* on the non-current core. */
ignore_environment_cb = true;
func(rarch_environment_cb);
ignore_environment_cb = false;
}
static void load_dynamic_core(void)
{
function_t sym = dylib_proc(NULL, "retro_init");
if (sym)
{
/* Try to verify that -lretro was not linked in from other modules
* since loading it dynamically and with -l will fail hard. */
RARCH_ERR("Serious problem. RetroArch wants to load libretro cores"
"dyamically, but it is already linked.\n");
RARCH_ERR("This could happen if other modules RetroArch depends on "
"link against libretro directly.\n");
RARCH_ERR("Proceeding could cause a crash. Aborting ...\n");
retroarch_fail(1, "init_libretro_sym()");
}
if (string_is_empty(config_get_active_core_path()))
{
RARCH_ERR("RetroArch is built for dynamic libretro cores, but "
"libretro_path is not set. Cannot continue.\n");
retroarch_fail(1, "init_libretro_sym()");
}
/* Need to use absolute path for this setting. It can be
* saved to content history, and a relative path would
* break in that scenario. */
path_resolve_realpath(
config_get_active_core_path_ptr(),
config_get_active_core_path_size());
RARCH_LOG("Loading dynamic libretro core from: \"%s\"\n",
config_get_active_core_path());
lib_handle = dylib_load(config_get_active_core_path());
if (!lib_handle)
{
RARCH_ERR("Failed to open libretro core: \"%s\"\n",
config_get_active_core_path());
RARCH_ERR("Error(s): %s\n", dylib_error());
retroarch_fail(1, "load_dynamic()");
}
}
static dylib_t libretro_get_system_info_lib(const char *path,
struct retro_system_info *info, bool *load_no_content)
{
@ -279,87 +357,6 @@ bool libretro_get_system_info(const char *path,
return true;
}
#ifdef HAVE_DYNAMIC
/**
* libretro_get_environment_info:
* @func : Function pointer for get_environment_info.
* @load_no_content : If true, core should be able to auto-start
* without any content loaded.
*
* Sets environment callback in order to get statically known
* information from it.
*
* Fetched via environment callbacks instead of
* retro_get_system_info(), as this info is part of extensions.
*
* Should only be called once right after core load to
* avoid overwriting the "real" environ callback.
*
* For statically linked cores, pass retro_set_environment as argument.
*/
void libretro_get_environment_info(void (*func)(retro_environment_t),
bool *load_no_content)
{
load_no_content_hook = load_no_content;
/* load_no_content gets set in this callback. */
func(environ_cb_get_system_info);
/* It's possible that we just set get_system_info callback
* to the currently running core.
*
* Make sure we reset it to the actual environment callback.
* Ignore any environment callbacks here in case we're running
* on the non-current core. */
ignore_environment_cb = true;
func(rarch_environment_cb);
ignore_environment_cb = false;
}
static void load_dynamic_core(void)
{
function_t sym = dylib_proc(NULL, "retro_init");
if (sym)
{
/* Try to verify that -lretro was not linked in from other modules
* since loading it dynamically and with -l will fail hard. */
RARCH_ERR("Serious problem. RetroArch wants to load libretro cores"
"dyamically, but it is already linked.\n");
RARCH_ERR("This could happen if other modules RetroArch depends on "
"link against libretro directly.\n");
RARCH_ERR("Proceeding could cause a crash. Aborting ...\n");
retroarch_fail(1, "init_libretro_sym()");
}
if (string_is_empty(config_get_active_core_path()))
{
RARCH_ERR("RetroArch is built for dynamic libretro cores, but "
"libretro_path is not set. Cannot continue.\n");
retroarch_fail(1, "init_libretro_sym()");
}
/* Need to use absolute path for this setting. It can be
* saved to content history, and a relative path would
* break in that scenario. */
path_resolve_realpath(
config_get_active_core_path_ptr(),
config_get_active_core_path_size());
RARCH_LOG("Loading dynamic libretro core from: \"%s\"\n",
config_get_active_core_path());
lib_handle = dylib_load(config_get_active_core_path());
if (!lib_handle)
{
RARCH_ERR("Failed to open libretro core: \"%s\"\n",
config_get_active_core_path());
RARCH_ERR("Error(s): %s\n", dylib_error());
retroarch_fail(1, "load_dynamic()");
}
}
#endif
/**
* load_symbols: