Function parse_params

parser/parse_param.c:348–441

* Parse parameters * _s is string containing parameters, it will be updated to point behind the parameters * _c is class of parameters * _h is pointer to structure that will be filled with pointer to well known parameters * linked list of parsed parameters will be stored in * the variable _p is pointing to * The function returns 0 on success and negative number * on an error */

 * on an error
 */
int parse_params(str* _s, pclass_t _c, param_hooks_t* _h, param_t** _p)
{
	param_t* t;
	param_t* last;

	if (!_s || !_h || !_p) {
		LM_ERR("invalid parameter value\n");
		return -1;
	}

	memset(_h, 0, sizeof(param_hooks_t));
	last = NULL;
	*_p = 0;

	if (!_s->s) { /* no parameters at all -- we're done */
		LM_DBG("empty uri params, skipping\n");
		return 0;
	}

	LM_DBG("Parsing params for:[%.*s]\n",_s->len,_s->s);

	while(1) {
		t = (param_t*)pkg_malloc(sizeof(param_t));
		if (t == 0) {
			LM_ERR("no pkg memory left\n");
			goto error;
		}
		memset(t, 0, sizeof(param_t));

		parse_param_name(_s, _c, _h, t);
		trim_leading(_s);

		if (_s->len == 0) { /* The last parameter without body */
			t->len = t->name.len;
			goto ok;
		}

		if (_s->s[0] == '=') {
			_s->s++;
			_s->len--;
			trim_leading(_s);

			if (_s->len == 0) {
				LM_ERR("body missing\n");
				goto error;
			}

			if (parse_param_body(_s, t) < 0) {
				LM_ERR("failed to parse param body\n");
				goto error;
			}

			t->len = _s->s - t->name.s;

			trim_leading(_s);
			if (_s->len == 0) {
				goto ok;
			}