/* Open a subkey of the service Services\<service_name>\<sub>. */
long open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam, HKEY *key, bool must_exist) {
/* Get registry */
TCHAR registry[KEY_LENGTH];
if (service_registry_path(service_name, true, sub, registry, _countof(registry)) < 0) {
log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, NSSM_REGISTRY, _T("open_registry()"), 0);
return 0;
}
return open_registry_key(registry, sam, key, must_exist);
}
ERL_NIF_TERM
add_registry_info(ErlNifEnv *env, char *event_source)
{
DWORD disposition;
HKEY key;
char *subkey;
WINAPI_LASTERR(env,
subkey = string_format(registry_key_format, event_source));
WINAPI_ERR(env,
open_registry_key(HKEY_LOCAL_MACHINE, subkey, &key, &disposition));
LocalFree(subkey);
if (disposition == REG_CREATED_NEW_KEY)
NIF_ERR( initialize_event_log_registry_key(env, key) );
WINAPI_ERR(env, RegCloseKey(key));
return NIF_SUCCESS;
}
static HKEY open_registry_key(const TCHAR *registry, REGSAM sam, bool must_exist) {
HKEY key;
long error = open_registry_key(registry, sam, &key, must_exist);
return key;
}
