Function pv_parse_format

pvar.c:5292–5365

* */

 *
 */
int pv_parse_format(const str *in, pv_elem_p *el)
{
	char *p, *p0;
	/*int n = 0;*/
	pv_elem_p e, e0;
	str s;

	if(in==NULL || in->s==NULL || el==NULL)
		return -1;

	/*LM_DBG("parsing [%.*s]\n", in->len, in->s);*/

	if(in->len == 0)
	{
		*el = pkg_malloc(sizeof(pv_elem_t));
		if(*el == NULL) {
			LM_ERR("not enough pkg memory for PV element (1)\n");
			goto error;
		}
		memset(*el, 0, sizeof(pv_elem_t));
		(*el)->text = *in;
		return 0;
	}

	p = in->s;
	*el = NULL;
	e = e0 = NULL;

	while(is_in_str(p,in))
	{
		e0 = e;
		e = pkg_malloc(sizeof(pv_elem_t));
		if(!e) {
			LM_ERR("not enough pkg memory for PV element (2)\n");
			goto error;
		}
		memset(e, 0, sizeof(pv_elem_t));
		/*n++;*/
		if(*el == NULL)
			*el = e;
		if(e0)
			e0->next = e;

		e->text.s = p;
		while(is_in_str(p,in) && *p!=PV_MARKER)
			p++;
		e->text.len = p - e->text.s;

		if(!is_in_str(p,in))
			break;
		s.s = p;
		s.len = in->s+in->len-p;
		p0 = pv_parse_spec(&s, &e->spec);

		if(p0==NULL) {
			LM_ERR("parsing PV spec failed\n");
			goto error;
		}