Function tr_parse_nparam

transformations.c:2752–2821

}

char *tr_parse_nparam(char *p, str *in, tr_param_t **tp)
{
	char *p0;
	pv_spec_t *spec = NULL;
	int n, sign;
	str s;

	while (is_in_str(p, in) && is_ws(*p)) p++;

	if(*p == PV_MARKER) { /* pseudo-variable */
		spec = pkg_malloc(sizeof(pv_spec_t));
		if (spec == NULL) {
			LM_ERR("no more private memory!\n");
			goto error;
		}
		s.s = p;
		s.len = in->s + in->len - p;
		p0 = pv_parse_spec(&s, spec);
		if(p0 == NULL) {
			LM_ERR("invalid spec in substr transformation: %.*s!\n",
				in->len, in->s);
			goto error;
		}
		p = p0;
		*tp = pkg_malloc(sizeof(tr_param_t));
		if(*tp == NULL) {
			LM_ERR("no more private memory!\n");
			goto error;
		}
		memset(*tp, 0, sizeof(tr_param_t));
		(*tp)->type = TR_PARAM_SPEC;
		(*tp)->v.data = (void*)spec;

		return p;
	} else {
		if (*p == '+' || *p == '-' || (*p >= '0' && *p <= '9')) { /* number */
			sign = 1;
			if (*p == '-') {
				p++;
				sign = -1;
			} else if (*p == '+') p++;
			n = 0;
			while (is_in_str(p, in) && is_ws(*p))
				p++;
			while (is_in_str(p, in) && *p >= '0' && *p <= '9') {
				n = n*10 + *p - '0';
				p++;
			}
			*tp = pkg_malloc(sizeof(tr_param_t));
			if (*tp == NULL) {
				LM_ERR("no more private memory!\n");
				goto error;
			}
			memset(*tp, 0, sizeof(tr_param_t));
			(*tp)->type = TR_PARAM_NUMBER;
			(*tp)->v.n = sign*n;
		} else {
			LM_ERR("invalid param in transformation: %.*s!!\n",