Function get_flag_id_by_name

flags.c:172–226

* The function MUST be called only in the pre-forking phases of OpenSIPS * (mod_init() or in function fixups) */

 * (mod_init() or in function fixups)
 */
int get_flag_id_by_name(int flag_type, char *flag_name, int flag_name_len)
{
	struct flag_entry *it, **flag_list;
	str fn;

	if (!flag_name) {
		LM_DBG("Flag name is null!\n");
		return -1;
	}

	fn.s = flag_name;
	fn.len = (flag_name_len<=0)?strlen(flag_name):flag_name_len;

	if (fn.len == 0) {
		LM_WARN("found empty string flag modparam! possible scripting error?\n");
		return -1;
	}

	if (flag_type < 0 || flag_type >= FLAG_LIST_COUNT) {
		LM_ERR("Invalid flag list: %d\n", flag_type);
		return -2;
	}

	flag_list = flag_lists + flag_type;

	if (*flag_list && (*flag_list)->bit == MAX_FLAG) {
		LM_CRIT("Maximum number of message flags reached! (32 flags)\n");
		return E_CFG;
	}

	/* Check if flag has been already defined */
	for (it = *flag_list; it; it = it->next) {
		if (str_strcmp(&it->name, &fn) == 0) {

			return it->bit;
		}
	}

	if (!(it = pkg_malloc(sizeof(*it) + fn.len))) {
		LM_CRIT("Out of memory!\n");
		return E_OUT_OF_MEM;
	}

	it->name.s = (char *)(it + 1);
	it->name.len = fn.len;
	memcpy(it->name.s, fn.s, fn.len);

	it->bit = (*flag_list ? (*flag_list)->bit + 1 : 0);

	it->next = *flag_list;
	*flag_list = it;

	LM_DBG("New flag: [ %.*s : %d ][%d]\n", fn.len, fn.s, it->bit, flag_type);
	return it->bit;
}

unsigned int fixup_flag(int flag_type, const str *flag_name)
{